CN111141760B - Fabric sweat stain forming appearance detection system and detection method thereof - Google Patents
Fabric sweat stain forming appearance detection system and detection method thereof Download PDFInfo
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- CN111141760B CN111141760B CN202010070807.8A CN202010070807A CN111141760B CN 111141760 B CN111141760 B CN 111141760B CN 202010070807 A CN202010070807 A CN 202010070807A CN 111141760 B CN111141760 B CN 111141760B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8809—Adjustment for highlighting flaws
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a fabric sweat stain forming appearance detection system which comprises a main body device, wherein the main body device comprises a bottom plate, a simulated skin layer and a fabric fixing frame, wherein the bottom plate can be vertically arranged, the simulated skin layer covers one side surface of the bottom plate, and the fabric fixing frame is used for fixedly covering a fabric on the simulated skin layer; at least one water pipe is arranged between the bottom plate and the simulated skin layer, the water pipe is spirally wound and fixed on the surface of the bottom plate, a plurality of micro-needles are arranged on the surface of the water pipe, and the other ends of the micro-needles are contacted with the simulated skin layer; the fabric fixing frame comprises at least two symmetrically-arranged fixing strips, each fixing strip comprises a strip block main body and at least one convex block embedded in the strip block main body, a groove matched with the convex block is formed in the strip block main body along the length direction of the strip block main body, and the convex block is arranged in the groove. The invention realizes the detection of sweat stain forming appearance of the fabric, makes up the defects of the existing fabric detection, realizes the further refinement of the performance of the fabric, and particularly provides a basis for the selection of people for sports fabrics.
Description
Technical Field
The invention relates to the field of fabric detection, in particular to a fabric sweat stain forming appearance detection system and a detection method thereof.
Background
The fabric detection is to carry out multi-type detection on textile fabrics worn or contacted by people so as to ensure that the fabrics do not cause harm to the health of people. The traditional fabric detection items generally comprise formaldehyde content, peculiar smell, fiber content, water color fastness, saliva color fastness, perspiration color fastness, dry rubbing color fastness, decomposable carcinogenic aromatic amine dye, pH value, component analysis and the like.
The traditional fabric detection mainly starts from fabric durability and harm to human bodies, but with the improvement of substance living standard, people not only have the requirements on the two aspects, but also put forward more requirements on fabric aesthetic degree, especially for the situation of dribbling of sweat in hot seasons, the forming situations of sweat stains on various types of fabrics are different, and therefore, it is necessary to inform consumers of the performance of the fabric in the aspect of sweat stain forming. In view of the above problems, there is a need for further solutions.
Disclosure of Invention
The invention aims to provide a fabric sweat stain forming appearance detection system and a detection method thereof, so as to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a fabric sweat stain forming appearance detection system comprises a main body device, wherein the main body device comprises a bottom plate, a simulated skin layer and a fabric fixing frame, the bottom plate can be vertically arranged, the simulated skin layer covers one side face of the bottom plate, and the fabric fixing frame is used for fixing and covering fabric on the simulated skin layer;
at least one water pipe is arranged between the bottom plate and the simulated skin layer, the water pipe is spirally wound and fixed on the surface of the bottom plate, one end of the water pipe is closed, simulated sweat enters from the other end of the water pipe, a plurality of micro-needles are arranged on the surface of the water pipe, the other ends of the micro-needles are in contact with the simulated skin layer, and simulated airflow blows towards the simulated skin layer;
the fabric fixing frame comprises at least two symmetrically arranged fixing strips, each fixing strip comprises a strip body and at least one convex block embedded in the strip body, a groove matched with the convex block is formed in the strip body along the length direction of the strip body, and the convex block is arranged in the groove.
Preferably, still include liquid delivery device for to the main part device transport simulation sweat, liquid delivery device includes the pump body, presser and the connecting pipe that connect gradually, the connecting pipe with raceway intercommunication, the presser is used for controlling the delivery pressure of simulation sweat.
Preferably, the air supply device further comprises an air supply device, wherein the air supply device comprises a fan used for generating simulated air flow, and the fan is arranged right in front of the main body device.
Preferably, the surface of the bottom plate is further provided with at least one temperature control pipe, and the temperature control pipe is spirally wound and fixed on the surface of the bottom plate.
Preferably, the bottom plate surface is further provided with at least one first backlight strip, and the backlight strip is spirally wound and fixed on the surface of the bottom plate surface.
Preferably, the simulated skin layer edge is provided with a second backlight bar.
Preferably, the microneedles have a pore size of 30-50 microns.
Preferably, the simulated skin layer is a moisture permeable film.
Preferably, the simulated skin layer has at least three layers, white, yellow and black respectively.
The invention also discloses a detection method of the sweat stain forming appearance of the fabric, which comprises the following steps:
(1) preparation:
a1, cutting the fabric to be detected into a proper size, then spreading the fabric on the surface of the simulated skin layer and fixing the fabric;
a2, preparing simulated sweat;
(2) detection operation:
b1, conveying m grams of simulated sweat;
(3) appearance observation and data processing:
c1, when the weight of the fabric obtained in the step 2 is not less than 90 percent m, measuring the area S of sweat stain on the surface of the fabric 1 The wet sweat stain fabric with the qualification rate P less than or equal to 70 percent is qualified,
wherein P ═ S 1 S, wherein S is the total area of the fabric;
(4) repeating the steps 1-3 at least 3 times, and taking an average value.
Preferably, the method further comprises the following steps:
c2, when the weight of the fabric obtained in the step 2 is not more than 10 percent m, measuring the area S of sweat stain on the surface of the fabric 2 The dry sweat stain fabric is qualified when the qualification rate Q is less than or equal to 20 percent,
wherein Q is S 2 And S are the total area of the fabric.
Preferably, the method further comprises the following steps:
a1, cutting the fabric to be detected into a proper size and then spreading the fabric on the surface of the simulated skin, or cutting the fabric to be detected into a proper size and then spreading the fabric on the surface of the simulated skin after partial folds.
Preferably, the method further comprises the following steps:
b 2 and regulating the temperature of the temperature control tube to 37-40 ℃.
Preferably, the method further comprises the following steps:
b 3 blowing to the simulated skin layerA simulated airflow is sent.
Preferably, the temperature and humidity of the simulated airflow are adjustable.
Preferably, the simulated skin layer is a moisture permeable film.
Preferably, the simulated skin layer has at least three layers, white, yellow and black respectively.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention realizes the detection of sweat stain forming appearance of the fabric, makes up the defects of the existing fabric detection, realizes the further refinement of the performance of the fabric, and particularly provides a basis for the selection of people for sports fabrics.
(2) The fabric sweat stain forming appearance detection system realizes the detection of the fabric sweat stain forming appearance under the conditions of simulating sweating to specific temperature, humidity and wind speed, and has simple structure and convenient operation.
(3) The spiral water delivery pipe is in a spiral shape, so that a smooth flow channel is provided for water flow in the water delivery pipe, uniform pressurization and permeation through the micro-needle are realized, and the sweat flowing state is simulated.
(4) The invention fixes the fabric through the fixing strip, so that the fabric has the states of flat laying and partial folding when being attached to the simulated skin layer, and further can set different folding states to simulate the states of the fabric of clothes at different parts of a human body, thereby leading the detection to be more comprehensive and objective.
(5) According to the invention, the micro-needle has the aperture of 30-50 microns, so that the simulated sweat cannot permeate naturally, and the simulated sweat drips in a water-drop shape under the condition of pressurization control, and is closer to the phenomenon of human body sweating.
(6) The conveying pipe, the temperature control pipe or the backlight strip are relatively sealed inside the simulated skin layer and the bottom plate, so that the damage probability is reduced, and the service life of the device is prolonged; and the simulated skin layer can provide a relatively smooth contact surface for the fabric, and simulate the attaching state of the fabric and the skin of a human body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of a bottom plate of the present invention in a use state;
FIG. 4 is an enlarged view of a portion of the main assembly of the present invention;
FIG. 5 is a perspective view of a fastening strip of the present invention;
fig. 6 is a schematic view of the fabric and the fabric fixing frame in a fixed state.
Specifically, 100-a main body device, 110-a bottom plate, 120-a simulated skin layer, 121-a skin layer fixing frame, 130-a fixing strip, 131-a block main body, 132-a groove, 133-a bump, 140-a water conveying pipe, 141-a micro needle, 150-a temperature control pipe, 160-a first backlight strip and 170-a second backlight strip;
200-base, 210-holder, 220-rotation axis.
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.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
Fig. 1 shows a schematic perspective structure diagram of a fabric sweat stain forming appearance detection system, and fig. 2 shows a schematic explosion structure diagram of the system.
As shown in fig. 1-2, an appearance detecting system for sweat stain formation of fabric comprises a main body device 100, wherein the main body device 100 comprises a bottom plate 110 capable of being vertically arranged, a simulated skin layer 120 covering one side surface of the bottom plate 110, and a fabric fixing frame for fixing and covering the fabric on the simulated skin layer 120. The fabric sweat stain forming appearance detection system realizes the detection of the fabric sweat stain forming appearance under the conditions from the simulation of sweating to the specific temperature, humidity and wind speed, and has the advantages of simple structure and convenient operation.
Fig. 3 shows a schematic diagram of a usage state of the base plate 110 in the system, in which the base plate 110 is horizontally or nearly horizontally placed, so as to facilitate laying of the simulated skin layer 120 or the fabric to be detected.
It should be noted that, in order to facilitate the fixing of the main device 100, a base 200 may be provided. In order to further realize convenient operation, the bottom plate 110 can be rotated to a horizontal state to conveniently fix the fabric (as shown in fig. 3), the base 200 is provided with a clamping seat 210, and a support rod arranged below the bottom plate 110 is rotatably connected with the clamping seat 210 through a rotating shaft 220.
Fig. 4 is a schematic partial enlarged view of the main device 100 in the system, which mainly shows the water pipe 140, the temperature control pipe 150 and the first backlight bar 160 disposed on the bottom plate 110, and it can be meaningless that the water pipe 140, the temperature control pipe 150 and the first backlight bar 160 are preferably closely attached to each other and disposed in the same spiral winding path.
As shown in fig. 4, at least one water duct 140 is disposed between the bottom plate 110 and the simulated skin layer 120, the water duct 140 is spirally wound and fixed on the surface of the bottom plate 110, one end of the water duct 140 is closed, and the simulated sweat enters from the other end of the water duct 140, specifically, referring to fig. 3, the other end of the water duct 140 passes through the thickness direction of the bottom plate 110, that is, the other end of the bottom plate 110 is connected with a soft body for transporting the simulated sweat. The surface of the water pipe 140 is provided with a plurality of micro-needles 141, and the other ends of the micro-needles 141 contact the simulated skin layer 120, so as to transmit the simulated sweat to the fabric through the simulated skin layer 120. The spirally wound water conveying pipe 140 is in a spiral shape, so that a smooth flow channel is provided for water flow in the water conveying pipe 140, uniform pressurization is realized, and sweat flowing out state is simulated through the micro needles 141.
To further simulate the natural sweating situation, a simulated airflow may be provided to the simulated skin layer 120.
Fig. 5 is a schematic perspective view of the fixing strip 130 in the system, and fig. 6 is a schematic view of the fixing state of the fabric and the fabric fixing frame.
As shown in fig. 5, the fabric is fixed on the surface of the simulated skin layer 120 by a fabric fixing frame, the fabric fixing frame includes at least two symmetrically arranged fixing strips 130, each fixing strip 130 includes a strip main body 131 and at least one protrusion 133 embedded in the strip main body 131, the strip main body 131 is provided with a groove 132 adapted to the protrusion 133 along the length direction thereof, and the protrusion 133 is disposed in the groove 132. The fabric is attached to the simulated skin layer 120 through the fixing strips 130, and both a flat state and a partial wrinkle are arranged, specifically, the fabric is attached to the plane of the bump 133, namely the arrow a points, and can be regarded as a flat state; the fabric portion is attached to the curved surface of the bump 133, i.e. the arrow b is pointing, and the fabric portion is clamped between the bar body 131 and the bump 133, at this time, the fabric portion is wrinkled, different wrinkle effects can be generated when clamped by the bumps 133 at different positions, as shown in fig. 6, when the bumps at the same upper and lower positions are used, vertical wrinkles can be generated, and when the bumps at different upper and lower positions are used, oblique wrinkles can be generated. Can be used for further researching the molding condition of sweat stains at the peaks and valleys of the wrinkles.
It is understood that the fabric fixing frame may include four fixing bars 130 connected in sequence as a frame body.
It should be noted that, in order to realize the replacement of the simulated skin layer 120, the simulated skin layer 120 is detachably connected to the base plate 110 through the skin layer fixing frame 121, and the skin layer fixing frame 121 can be connected to the base plate 110 by a conventional fastening method. Further, in order to fix the fabric flexibly and conveniently, the fixing frame 121 of the skin layer may be made of a magnetic material, such as iron, the fixing strip 130 is made of a magnet to be attached to the fixing frame 121 of the fabric, and the protrusion 133 is made of iron to be attached to the fixing strip 130.
According to an embodiment of the present invention, the system further includes a liquid delivery device for delivering simulated sweat to the main device 100, the liquid delivery device includes a pump body, a pressurizer and a connecting pipe, which are connected in sequence, and the pump body and the pressurizer are conventional tools, and can be selected by those skilled in the art according to requirements. The connecting pipe is communicated with the water conveying pipe 140, and the pressurizer is used for controlling the conveying pressure of the simulated sweat so as to control the simulated sweat amount and enable the simulated sweat to uniformly contact the fabric.
According to an embodiment of the present invention, the system further comprises an air supply device including a fan for generating a simulated air flow, the fan being disposed right in front of the main body device 100, particularly simulating the wind force to which the outdoor sports are subjected.
According to the embodiment of the invention, at least one temperature control pipe 150 is further arranged on the surface of the bottom plate 110, and the temperature control pipe 150 is spirally wound and fixed on the surface of the temperature control pipe to simulate the normal temperature of a human body and the influence of the temperature rise during sports on the formation of sweat stains on the surface of the fabric. Specifically, the temperature control pipe has a temperature adjusting range of 37-40 ℃.
According to the embodiment of the invention, at least one first backlight strip 160 is further disposed on the surface of the bottom plate 110, and the backlight strip is spirally wound and fixed on the surface thereof, and particularly, in cooperation with the transparent or semitransparent simulated skin layer 120, provides a uniform light source, and facilitates observation of the molding condition of sweat on the surface of the fabric.
According to the embodiment of the invention, the second backlight strip 170 is arranged at the edge of the simulated skin layer 120 to provide a uniform light source, so that the molding condition of sweat on the surface of the fabric can be observed conveniently.
According to the embodiment of the present invention, the micro needles 141 have a pore size of 30-50 μm, so that the simulated sweat cannot permeate naturally, and a pressurization control is required to make the simulated sweat drip in a droplet shape, thereby simulating the human body sweating phenomenon.
According to the embodiment of the present invention, the skin-simulating layer 120 is a moisture permeable film, which is a novel polymer waterproof material, and polyurethane (TPU) is used as a main material, hydrophilic groups are introduced, and the moisture permeable function is achieved through moisture absorption and conduction. The delivery pipe, the temperature control pipe or the backlight bar in the simulated skin layer 120 and the bottom plate 110 are relatively sealed in the simulated skin layer and the bottom plate, so that the damage probability is reduced, and the service life of the device is prolonged. The simulated skin layer 120 can provide a smooth contact surface for the fabric, and simulate the attachment state of the fabric and the skin of a human body. Furthermore, the appearance after sweat stain forming has a certain correlation with the fabric color and the human skin color, so that at least three simulated skin layers 120 can be provided, namely white, yellow and black respectively, so as to basically correspond to the human skin color, the color can be selected according to the requirement, and especially, the sweat stain forming appearance detection is carried out on the fabric which is lighter in color or semitransparent.
The invention also discloses a detection method of the sweat stain forming appearance of the fabric, which realizes the detection of the sweat stain forming appearance of the fabric, makes up for the detection defects of the existing fabric, realizes the further refinement of the performance of the fabric, and particularly provides a basis for the selection of people for sports fabrics.
The method specifically comprises the following steps:
(1) preparation work:
a1, cutting the fabric to be detected into a proper size, generally 20cm by 20cm, and spreading and fixing the cut fabric on the surface of the simulated skin layer.
By adopting the fabric sweat stain forming appearance detection system provided by the embodiment, the required simulated skin layer 120 is selected firstly, and is fixed with the bottom plate 110 through the skin layer fixing frame 121, and the fabric is fixed with the simulated skin layer 120 through the fabric fixing frame.
a2, configuring simulated sweat.
The simulated sweat is prepared artificially, the 98-99% of the simulated sweat is water, the pH value of the simulated sweat is 4.2-7.5, the simulated sweat also contains 300 mg/100 ml of sodium chloride, and 1-2% of a small amount of urea, lactic acid and fatty acid.
(2) Detection operation:
b1, delivering m grams of simulated sweat.
Specifically, the simulated sweat drops from the micropores 141 in a water drop shape under the control of the pressurizer, and is closer to the phenomenon of human body sweating.
It is noted that m is not less than 2% by weight of the fabric and not more than 10% by weight of the fabric.
(3) Appearance observation and data processing:
c1, when the weight of the fabric obtained in the step 2 is not less than 90 percent m, measuring the area S of sweat stain on the surface of the fabric 1 The wet sweat stain fabric with the qualification rate P less than or equal to 70 percent is qualified,
wherein P is S 1 And S, wherein S is the total area of the fabric, and the area can be calculated by a grid method.
At the moment, sweat stains on the surface of the fabric are in a dark color mainly due to moisture in a wet state.
(4) Repeating the steps 1-3 at least 3 times, and taking an average value.
According to an embodiment of the invention, the detection method further comprises the steps of:
c2, when the weight of the fabric obtained in the step 2 is increased by no more than 10 percent m, measuring the area S of sweat on the surface of the fabric 2 The dry sweat stain fabric is qualified when the qualification rate Q is less than or equal to 20 percent,
wherein Q is S 2 And S, wherein S is the total area of the fabric, and the area can be calculated by a grid method.
At this time, the moisture in the sweat stain evaporates, and the surface of the fabric is mainly white and tiny solid.
It should be noted that, when the area is calculated by the grid method, 20 × 20cm transparent grid paper is covered on the fabric after the detection operation, and the corresponding area is calculated by the grid number.
According to an embodiment of the invention, the detection method further comprises the steps of:
a1, cutting the fabric to be detected into a proper size and then spreading the fabric on the surface of the simulated skin, or cutting the fabric to be detected into a proper size and then partially folding the fabric and then spreading the fabric on the surface of the simulated skin.
The fabric is fixed through the fixing strips 130, so that the fabric is in a flat state and a partial wrinkle state when being attached to the simulated skin layer 120, different wrinkle states can be further set, and the states of the fabric of the simulated clothes at different parts of a human body are more comprehensive and objective in detection. Specifically, the fabric is attached to the plane of the bump 133, that is, the arrow a points, and can be regarded as a flat state; the fabric portion is attached to the curved surface of the bump 133, i.e. the arrow b is pointing, and the fabric portion is clamped between the bar body 131 and the bump 133, at this time, the fabric portion is wrinkled, different wrinkle effects can be generated when clamped by the bumps 133 at different positions, as shown in fig. 6, when the bumps at the same upper and lower positions are used, vertical wrinkles can be generated, and when the bumps at different upper and lower positions are used, oblique wrinkles can be generated. The method can be used for further researching the molding condition of sweat stains at the peaks and valleys of the wrinkles and whether the sweat stains can cause the appearance change of the wrinkles.
According to an embodiment of the invention, the detection method further comprises the steps of:
b 2 the temperature of the temperature control pipe 150 is regulated to 37-40 ℃ to simulate the normal temperature of the human body and the temperature rise condition in sports.
According to an embodiment of the invention, the detection method further comprises the steps of:
b 3 and blow simulation air current to simulation skin layer 120 to sweat stain shaping under the wind-force condition that the simulation received when outdoor exercises, and realize the shaping on the surface fabric of sweat stain dry back, detect dry sweat stain surface fabric qualification degree promptly.
According to the embodiment of the invention, the temperature and humidity of the simulated airflow in the detection method can be adjusted, so that the real environment can be simulated more specifically, and the detection is specific and objective.
According to the embodiment of the invention, the simulated skin layer 120 in the detection method is a moisture permeable film, which is a novel high-molecular waterproof material, and polyurethane (TPU) is used as a main material, hydrophilic groups are introduced, and the moisture permeable function is achieved through moisture absorption and conduction. Furthermore, the appearance after the sweat stain molding has certain correlation with the fabric color and the human skin color, so that at least three simulated skin layers 120 can be provided, which are respectively white, yellow and black to basically correspond to the human skin color, and the sweat stain molding appearance of the fabric can be detected for multiple times or selected according to the requirement.
In conclusion, the invention realizes the detection of sweat stain forming appearance of the fabric, makes up the defects of the existing fabric detection, realizes the further refinement of the performance of the fabric, and particularly provides a basis for the selection of people for sports fabrics.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The fabric sweat stain forming appearance detection system is characterized by comprising a main body device, wherein the main body device comprises a bottom plate, a simulated skin layer and a fabric fixing frame, the bottom plate can be vertically arranged, the simulated skin layer covers one side face of the bottom plate, and the fabric fixing frame is used for fixing and covering fabric on the simulated skin layer;
at least one water pipe is arranged between the base plate and the simulated skin layer, the water pipe is spirally wound and fixed on the surface of the base plate, one end of the water pipe is closed, simulated sweat enters from the other end of the water pipe, a plurality of micro-needles are arranged on the surface of the water pipe, the other ends of the micro-needles are in contact with the simulated skin layer, and simulated airflow blows towards the simulated skin layer;
the fabric fixing frame comprises at least two symmetrically arranged fixing strips, each fixing strip comprises a strip main body and at least one lug embedded in the strip main body, a groove matched with the lug is formed in the strip main body along the length direction of the strip main body, and the lug is arranged in the groove.
2. The appearance detection system for sweat stains on fabric as claimed in claim 1, further comprising a liquid delivery device for delivering simulated sweat to the main body device, wherein the liquid delivery device comprises a pump body, a pressurizer and a connecting pipe, which are connected in sequence, the connecting pipe is communicated with the water delivery pipe, and the pressurizer is used for controlling the delivery pressure of the simulated sweat.
3. The sweat stain forming appearance detection system of fabric as claimed in claim 1, further comprising an air supply device, wherein the air supply device comprises a fan for generating simulated air flow, and the fan is arranged right in front of the main body device.
4. The sweat stain forming appearance detection system of fabric as claimed in claim 1, wherein the surface of the bottom plate is further provided with at least one temperature control pipe, and the temperature control pipe is spirally wound and fixed on the surface of the temperature control pipe.
5. The sweat stain forming appearance detection system of fabric as claimed in claim 1, wherein the micro-needles have a pore size of 30-50 microns.
6. The sweat stain forming appearance detection system of fabric as claimed in claim 1, wherein the simulated skin layer is a moisture permeable film.
7. The sweat stain formation appearance detection system of fabric as claimed in claim 1, wherein the simulated skin layers are at least three, white, yellow and black.
8. The detection method of the sweat stain forming appearance detection system of the fabric as claimed in any one of the claims 1 to 7, characterized by comprising the following steps:
(1) preparation:
a1, cutting the fabric to be detected into a proper size, then paving the fabric on the surface of the simulated skin layer and fixing the fabric;
a2, preparing simulated sweat;
(2) detection operation:
b1, conveying m grams of simulated sweat;
(3) appearance observation and data processing:
c1, when the weight of the fabric obtained in the step 2 is not less than 90 percent m, measuring the area S of sweat stain on the surface of the fabric 1 The wet sweat stain fabric with the qualification rate P less than or equal to 70 percent is qualified,
wherein P ═ S 1 S, wherein S is the total area of the fabric;
(4) repeating the steps 1-3 at least 3 times, and taking an average value.
9. The detection method according to claim 8, further comprising the steps of:
c2, when the weight of the fabric obtained in the step 2 is increased by no more than 10 percent m, measuring the area S of sweat on the surface of the fabric 2 The dry sweat stain fabric is qualified when the qualification rate Q is less than or equal to 20 percent,
wherein Q is S 2 And S, wherein S is the total area of the fabric.
10. The detection method according to claim 8, further comprising the steps of:
a1, cutting the fabric to be detected into a proper size and then spreading the fabric on the surface of the simulated skin, or cutting the fabric to be detected into a proper size and then partially folding the fabric and then spreading the fabric on the surface of the simulated skin.
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