CN210322740U

CN210322740U - Fabric color fastness to sunlight grading device

Info

Publication number: CN210322740U
Application number: CN201921317418.XU
Authority: CN
Inventors: 陈晓东; 邱莉; 袁小军; 梅秀庄; 赵敏; 王连东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-14
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a fabric color fastness to sunlight grading device, including having the detection case of shading performance, the inside fixed mounting of detection case has the brace table that is the type of falling U, two lamp stands of downside fixedly connected with of brace table, fixedly connected with xenon lamp between two lamp stands, and the inside of detection case is equipped with the clamping device that the multiunit is used for the centre gripping and struts the fabric, the utility model discloses utilize the application of image processing technique pertinence to fabric color fastness to sunlight grading, not only realized stable, objective grading to color fastness to sunlight, reduced the production of error, reduced detection personnel's working strength, also improved detection efficiency greatly.

Description

Fabric color fastness to sunlight grading device

Technical Field

The utility model relates to an image detection device technical field specifically is a fabric colour fastness to sunlight grading device.

Background

Along with the change of climatic conditions and the improvement of living standard, the color fastness to sunlight and the color fastness to perspiration of the textile are increasingly emphasized by people, and become one of the key factors for evaluating the quality of the textile. At present, the grading process of the light fastness is mostly recognized by human eyes, and professionals with years of detection experience are generally required to carry out manual grading when a factory is used for testing, so that more human factors, larger errors and inconvenient operation are caused; in addition, when the influence factors of the light fastness are researched, the influence factors are inaccurately positioned due to rating errors, great troubles are caused for actual production and detection departments, the light fastness cannot be accurately optimized, and small differences among different sample color fastnesses cannot be accurately represented, so that the fabric light fastness rating device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fabric colour fastness to sunlight grading device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fabric colour fastness to sunlight grading device, is including the detection case that has shading performance, the detection case includes the box, sliding connection has the stretching plate before the box, the inside fixed mounting of detection case has the brace table that is the type of falling U, two lamp stands of downside fixedly connected with of brace table, fixedly connected with are used for simulating the xenon lamp of sunlight irradiation between two lamp stands, the inside of detection case is equipped with the clamping device that the multiunit is used for the centre gripping and struts the fabric, and multiunit clamping device is located the xenon lamp under.

Preferably, the clamping device comprises a hollow seat, a pressure shell is covered above the hollow seat, a bolt is connected to the front side wall of the pressure shell in a meshed mode, and the inner end of the bolt penetrates through the side wall of the pressure shell and is movably connected with the side wall of the hollow seat.

Preferably, the last fixed surface of detection case installs the camera of being connected with external computer electricity, the camera lens of camera runs through the detection case lateral wall and extends to its inside, the fixed cover of camera lens periphery of camera has connect the LED lamp, just LED lamp fixed connection is directly over the detection case inside wall, the side of just being located the side of going up of brace table is equipped with circular cross cursor under camera and the LED lamp.

Preferably, a power module is fixedly connected to the rear side wall of the detection box, the power module is electrically connected with a relay and an adjuster through wires, and the relay and the adjuster are electrically connected with the LED lamp and the xenon lamp through wires respectively.

Preferably, the below of detection case is connected with the base, open the inside of base has the heat dissipation chamber that is "mountain" font, the middle part in heat dissipation chamber and the inside of detection case communicate through the thermovent, the equal fixed mounting in exhaust vent department that the heat dissipation chamber rear side was opened has the air discharge fan.

Preferably, an air inlet cavity for enabling air to flow into the detection box is formed in the stretching plate, and a plurality of light shielding plates for shielding external light are arranged in the air inlet cavity in a crossed mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize image processing technique pertinence to the rating of fabric colour fastness to sunlight, not only realized the stable, objective rating to colour fastness to sunlight, reduced the production of error, reduced detection personnel's working strength, also improved detection efficiency greatly; and the device passes through the detection case environment of shading to fabric colour fastness image acquisition, can effectively avoid the problem of external light interference, the exhaust fan that is equipped with through the gas vent department in heat dissipation chamber, can discharge after inhaling the heat dissipation intracavity in the detection case, and make the inside of external low temperature gas inflow detection case cool off through admitting air the chamber, make the inside gas of detection case realize forcing the flow heat dissipation, the heat altered shape of structure when having reduced the xenon lamp and shone the fabric, it has stable rating effect to detect the rating of fabric colour fastness to shine.

Drawings

Fig. 1 is a schematic view I of the overall structure of the present invention;

fig. 2 is a schematic view II of the overall structure of the present invention;

fig. 3 is a schematic structural diagram of the relay, the regulator and the power module according to the present invention;

FIG. 4 is a schematic structural view of the case and the stretching plate of the present invention;

FIG. 5 is a schematic structural view of the hollow seat, the press shell and the bolt of the present invention;

fig. 6 is a schematic structural diagram of the relay, the regulator, the LED lamp and the xenon lamp according to the present invention;

fig. 7 is a schematic structural view of the support table, the xenon lamp and the clamping device of the present invention;

FIG. 8 is a cross-sectional view of the detection box, LED light and camera of the present invention;

FIG. 9 is a cross-sectional view of the case, the stretching plate and the base of the present invention;

fig. 10 is a cross-sectional view of the stretching plate and the air inlet chamber of the present invention;

fig. 11 is a cross-sectional view of the base and the heat dissipation chamber of the present invention.

In the figure: 1. the detection box comprises a detection box body 101, a box body 102, a stretching plate 2, a supporting table 3, a lamp holder 4, a xenon lamp 5, a clamping device 501, a hollow seat 502, a pressing shell 503, a bolt 6, a camera 7, an LED lamp 8, a circular cross cursor 9, a power module 10, a relay 11, a regulator 12, a base 13, a heat dissipation cavity 14, a heat dissipation port 15, an exhaust fan 16, an air inlet cavity 17, a shading plate 18 and a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a fabric color fastness to sunlight grading device, including detection case 1 with shading performance, detection case 1 includes box 101, the front side sliding connection of box 101 has stretching plate 102, stretching plate 102 can seal detection case 1, make detection case 1 be in the confined state, as shown in figure 4, open the spout on the front side open sidewall of box 101, the side of stretching plate 102 slides in the inside of spout, therefore stretching plate 102 can be from the front side of box 101 from top to bottom slide and close, the state after stretching plate 102 closes is shown in figure 2, the inside fixed mounting of detection case 1 has a brace table 2 that is the type of falling U, the lower extreme of brace table 2 passes through the bolt fastening on detection case 1, leave the space between the front and back both sides of brace table 2 mesa and the lateral wall of detection case 1, then make brace table 2 upside and the space of downside keep unblocked, the downside fixed connection of brace table 2 has two lamp stands 3, a xenon lamp 4 used for simulating sunlight irradiation is fixedly connected between the two lamp holders 3, the xenon lamp 4 is an inert gas mixture filled with xenon, the light emitting principle is that the voltage is increased to be more than 23000V through a starter and an electronic ballast, the xenon is punctured at high voltage to form electric arc between the two electrodes and emit light, the color temperature of the xenon lamp 4 is from 3000K to 12000K, wherein the color temperature of 6000K is similar to sunlight, so that the xenon lamp 4 can completely serve as the sunlight to ensure the detection precision of the sunlight fastness of the detected fabric, a plurality of groups of clamping devices 5 used for clamping and propping open the fabric are arranged in the detection box 1, the plurality of groups of clamping devices 5 are positioned under the xenon lamp 4, the fabric is placed on the clamping devices 5, the fabric can be ensured not to deform under the irradiation of the xenon lamp 4, the detection precision is ensured, and the clamping devices 5 are positioned under the xenon lamp 4, sufficient irradiation of the fabric can be achieved.

Specifically, the clamping device 5 includes a hollow seat 501, a press shell 502 is covered above the hollow seat 501, the press shell 502 is rotatably connected to the hollow seat 501 through a connecting shaft, the press shell 502 is turned over on the hollow seat 501, a groove is formed on the upper side of the hollow seat 501, the upper side of the press shell 502 is also hollowed out, and thus the detected surface of the fabric is suspended and does not contact with the hollow seat 501 and the press shell 502, and thus the detection is not affected by the hollow seat 501 and the press shell 502, a bolt 503 is engaged and connected to the front side wall of the press shell 502, the inner end of the bolt 503 penetrates through the side wall of the press shell 502 and is movably connected with the side wall of the hollow seat 501, as shown in fig. 5, the fabric is laid on the hollow seat 501 after the press shell 502 is turned over, then the press shell 502 is covered on the hollow seat 501 after being turned over in the opposite direction, and the outer side walls on both sides of the hollow seat 501 and the inner side walls on both sides of the press shell, and the fabric is slowly tightened by the pressing shell 502 in the process of covering the hollow seat 501, so that the fabric is maintained in a tightly fixed state after the pressing shell 502 is completely covered on the hollow seat 501, and then the bolt 503 is rotated to enable the inner end of the bolt 503 to be pressed against the side wall of the hollow seat 501 to fix the pressing shell 502, and the pieces of fabric can be respectively clamped on the groups of clamping devices 5 according to the process.

Specifically, the camera 6 electrically connected with an external computer is fixedly installed on the upper surface of the detection box 1, the camera 6 can adopt a CCD (charge coupled device) camera, the CCD is a semiconductor imaging device, and therefore the detection box has the advantages of high sensitivity, strong light resistance, small distortion, small volume, long service life, vibration resistance and the like, the camera 6 is controlled by the computer to operate, further, the collection of fabric images after exposure is realized, and then the fabric images are transmitted to the computer for color fastness grade evaluation, the lens of the camera 6 penetrates through the side wall of the detection box 1 and extends into the detection box, the LED lamp 7 is fixedly sleeved on the periphery of the lens of the camera 6, the lamp tube of the LED lamp 7 is circular, the camera 6 and the LED lamp 7 are coaxially fixed, and then when the LED lamp 7 is opened, the light at the lens of the camera 6 is uniform, so that the camera 6 is more accurate in the collection of the fabric images, the LED lamp 7 is fixedly connected right above the inner side wall of the detection box 1, the circular cross-shaped cursor 8 is arranged right below the camera 6 and the LED lamp 7 and on the upper side surface of the support table 2, the illumination range of the LED lamp 7 also covers the whole circular cross-shaped cursor 8, sufficient illumination of fabric on the circular cross-shaped cursor 8 is guaranteed, and then the camera 6 is clearer in image acquisition;

the camera 6 converts the acquired fabric image from the RGB color space into the HSV or HSI color space, which is also called a color model (also called a color space or a color system) and its purpose is to illustrate colors in a generally acceptable manner under certain standards; RGB (red, green, blue) is a space defined according to colors recognized by human eyes, and can represent most colors, but the RGB color space is not generally adopted in scientific research because the details thereof are difficult to be adjusted digitally, and the RGB color space represents three quantities of hue, brightness and saturation together, and is difficult to be separated, and is the most common hardware-oriented color model used for color monitors and a large class of color video cameras; HSV/HSI both color spaces are proposed for better digitizing colors, there are many HSX color spaces, where X may be V or I, X has different meaning depending on the specific use, H is hue, S is saturation, I is intensity, and V is lightness.

Specifically, a power module 9 is fixedly connected to the rear side wall of the detection box 1, the power module 9 provides electric energy for the whole device, after the power module 9 can be electrically connected with an external power supply, the electric energy is distributed to electric equipment (the xenon lamp 4 and the LED lamp 7) of the device through a lead, the power module 9 is electrically connected with a relay 10 and an adjuster 11 through a lead, the relay 10 and the adjuster 11 are respectively electrically connected with the LED lamp 7 and the xenon lamp 4 through leads, as shown in fig. 3, the relay 10 and the adjuster 11 are both fixed to the rear side wall of the detection box 1 through bolts, the power module 9 is connected in parallel with the relay 10 and the adjuster 11 through leads, and then the relay 10 and the adjuster 11 are respectively connected in series with the LED lamp 7 and the xenon lamp 4 through leads.

Specifically, a base 12 is connected below the detection box 1, a heat dissipation cavity 13 shaped like a Chinese character 'shan' is formed in the base 12, the middle of the heat dissipation cavity 13 is communicated with the inside of the detection box 1 through a heat dissipation port 14, an exhaust fan 15 is fixedly mounted at an exhaust port formed in the rear side of the heat dissipation cavity 13, as shown in fig. 11, a partition plate is arranged between the heat dissipation port 14 of the heat dissipation cavity 13 and the exhaust port to block outside light, the outside light cannot reach the heat dissipation port 14, a dust screen 18 is mounted at the exhaust port, the dust screen 18 has a dust-proof effect and can block part of outside light, so that the outside light cannot irradiate the inside of the detection box 1 from the heat dissipation cavity 13, the heat dissipation cavity 13 can discharge heat and has a light-shielding effect, the exhaust fan 15 is composed of a motor and fan blades, a support is fixedly mounted at the exhaust port of the heat dissipation cavity 13, and the motor is fixed on the support, after the motor starts, the flabellum rotates and blows off the inside gas in heat dissipation chamber 13 from the gas vent department, contains thermal gas just can flow to the inside in heat dissipation chamber 13 in detection case 1 like this, along with the continuous work of exhaust fan 15, discharges the inside heat of detection case 1 then.

Specifically, the inside of the stretching plate 102 is provided with an air inlet cavity 16 for allowing air to flow into the detection box 1, and a plurality of light shielding plates 17 for shielding external light are arranged in the air inlet cavity 16 in a crossed manner, as shown in fig. 10, two openings of the air inlet cavity 16 are located at the upper side and the lower side of the air inlet cavity 16, the external air can enter the air inlet cavity 16 from the lower side opening of the air inlet cavity 16 and then enter the detection box 1 from the upper side opening of the air inlet cavity 16 by bypassing the light shielding plates 17, so that the effect of cooling the detection box 1 is achieved, the external light can be shielded by the light shielding plates 17 and enter the detection box 1 from the air inlet cavity 16, and a dustproof net 18 is also installed at the lower side opening of the air inlet.

The working principle is as follows: during detection, a plurality of fabrics are respectively clamped on a plurality of groups of clamping devices 5, then the xenon lamp 4 is opened through the regulator 11, the intensity of the fabrics irradiated by the xenon lamp 4 is properly regulated, then the detection box 1 is sealed by the stretching plate 102, then the detection box 1 is in a sealed state, at the moment, the irradiation of sunlight is simulated through the irradiation of the xenon lamp 4, after a certain time, the stretching plate 102 is taken down to open the detection box 1, the fabric irradiated by the xenon lamp 4 is placed at the circular cross cursor position 8 on the support table 2, the LED lamp 7 is turned on, at the moment, the external computer controls the camera 6 to be turned on and collects the fabric image placed at the circular cross cursor position 8, the collected fabric image is converted through the color space (RGB → HSV/HSI), and comparing the color value with a standard gray scale card to realize the evaluation of the color fastness grade of the fabric.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fabric colour fastness to sunlight grading device, includes detection case (1) that has shading performance, detection case (1) includes box (101), the sliding connection has stretch panel (102) on the front side of box (101), its characterized in that: the utility model discloses a quick-witted detection box, including detection case (1), downside fixedly connected with two lamp stands (3) of brace table (2), fixedly connected with is used for simulating xenon lamp (4) of sunlight irradiation between two lamp stands (3), the inside fixed mounting of detection case (1) has the brace table (2) that are the type of falling U, the inside of brace table (2) is equipped with multiunit and is used for the centre gripping and struts clamping device (5) of fabric, and multiunit clamping device (5) are located xenon lamp (4) under.

2. A fabric light fastness rating apparatus as claimed in claim 1 wherein: the clamping device (5) comprises a hollow seat (501), a pressing shell (502) is covered above the hollow seat (501), a bolt (503) is connected to the front side wall of the pressing shell (502) in a meshed mode, and the inner end of the bolt (503) penetrates through the side wall of the pressing shell (502) and is movably connected with the side wall of the hollow seat (501).

3. A fabric light fastness rating apparatus as claimed in claim 1 wherein: the utility model discloses a detection case, including detection case (1), camera (6) that the last fixed surface of detection case (1) installed and external computer electricity is connected, the camera lens of camera (6) runs through detection case (1) lateral wall and extends to its inside, the fixed cover in camera lens periphery of camera (6) has connect LED lamp (7), just LED lamp (7) fixed connection is directly over detection case (1) inside wall, camera (6) and LED lamp (7) under and the side of going up that is located brace table (2) are equipped with circular cross cursor (8).

4. A fabric light fastness rating device as claimed in claim 1 or 2 wherein: the xenon lamp detection box is characterized in that a power supply module (9) is fixedly connected to the rear side wall of the detection box (1), the power supply module (9) is electrically connected with a relay (10) and an adjuster (11) through wires, and the relay (10) and the adjuster (11) are electrically connected with the LED lamp (7) and the xenon lamp (4) through wires respectively.

5. A fabric light fastness rating apparatus as claimed in claim 1 wherein: the below of detection case (1) is connected with base (12), open the inside of base (12) has heat dissipation chamber (13) that is "mountain" font, heat dissipation chamber's (13) middle part and the inside of detection case (1) are through thermovent (14) intercommunication, the equal fixed mounting of exhaust vent department that heat dissipation chamber (13) rear side was opened has air discharge fan (15).

6. A fabric light fastness rating device as claimed in claim 5 wherein: an air inlet cavity (16) for enabling air to flow into the detection box (1) is formed in the stretching plate (102), and a plurality of light shielding plates (17) for shielding external light are arranged in the air inlet cavity (16) in a crossed mode.