CN111650162A - Photochromic glass photochromic performance detection method and detection device - Google Patents
Photochromic glass photochromic performance detection method and detection device Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 127
- 238000001514 detection method Methods 0.000 title claims abstract description 105
- 238000002834 transmittance Methods 0.000 claims abstract description 73
- 230000008859 change Effects 0.000 claims abstract description 52
- 230000005284 excitation Effects 0.000 claims abstract description 52
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 11
- 229910052724 xenon Inorganic materials 0.000 claims description 11
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 11
- 238000004153 renaturation Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 9
- 238000005282 brightening Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000004438 eyesight Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- 238000004134 energy conservation Methods 0.000 description 1
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Abstract
The invention provides a photochromic glass photochromic performance detection method and a photochromic glass photochromic performance detection device, wherein the darkening performance detection method comprises the following specific steps: 1) presetting a first change rate limit value, and presetting first preset time, wherein the first preset time is the interval time of carrying out two detections by a luminometer; 2) controlling the photochromic glass to continuously irradiate at an excitation light source, moving the photochromic glass for a certain distance to a light transmittance instrument for detection, carrying out interval detection by reciprocating switching the photochromic glass at the excitation light source and the light transmittance instrument, wherein the interval time of two adjacent times in the interval detection is an interval time value, recording the light transmittance of the photochromic glass detected each time, calculating the change rate value between two continuous times of light transmittance, finishing the detection until the change rate value between two continuous times of light transmittance is smaller than a preset change rate limit value, setting the light transmittance of the photochromic glass at the current moment to be saturated and darkened, and recording the total time required by finishing the detection; 3) the darkening performance of the photochromic glass was judged from the saturated darkening transmittance obtained in step 2) and the total time recorded. The invention can be applied to different types of photochromic glass and can conveniently and accurately obtain the photochromic performance indexes of the photochromic glass.
Description
Technical Field
The invention relates to the technical field of functional glass detection, in particular to a photochromic glass photochromic performance detection method and a photochromic glass photochromic performance detection device.
Background
The functional glass using color change as a working principle is a new glass technology which is hot in recent years, and common color change glass has the types of photochromism, gasochromism, thermochromism, electrochromism and the like. Photochromic glass, referred to as photochromic glass for short, can be colored after being irradiated by light with a certain wavelength, and can be restored to the original state after a period of time after the irradiation is stopped. Because the light transmittance of the air conditioner can be changed along with the change of the radiant light intensity, the air conditioner can always have moderate brightness indoors, provide a suitable large-visual-field visual environment, and simultaneously can effectively reduce heat transfer into the room when sunlight is sufficient, reduce the use frequency of the air conditioner and achieve the purposes of energy conservation and consumption reduction.
Many researchers have attracted attention due to the numerous advantages of photochromic glasses. However, the current research focuses on the directions of material preparation methods, film forming technologies, color change mechanisms and the like, and the research on devices for testing the color change performance of key indexes is less. Because the color change and the detection both need light sources, optical instruments are easy to influence each other, and a scientific, reliable, simple and convenient testing device is lacked at present. In addition, the existing photochromic glass is often tested according to a method of a photochromic lens, and in order to protect eyes, the lens generally requires high photochromic rate and deep photochromic degree. The photochromic glass has wide applicability, products with different color-changing characteristics need to be customized according to different requirements of places on light transmission, and a detection method which can be generally suitable for the photochromic glass with different color-changing characteristics is still lacked at present.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a method and a device for detecting photochromic performance of photochromic glass, which are used to solve the problem that photochromic glasses with different photochromic characteristics cannot be detected in the prior art.
In order to achieve the above and other related objects, the present invention provides a photochromic glass photochromic performance detection method, which comprises a darkening performance detection, wherein the darkening performance detection comprises the following specific steps:
1) presetting a first change rate limit value, and presetting first preset time, wherein the first preset time is the interval time of carrying out two detections by a luminometer;
2) controlling the photochromic glass to continuously irradiate at an excitation light source, moving the photochromic glass for a certain distance to a light transmittance instrument for detection, carrying out interval detection by reciprocating switching the photochromic glass at the excitation light source and the light transmittance instrument, wherein the interval time of two adjacent times in the interval detection is an interval time value, recording the light transmittance of the photochromic glass detected each time, calculating the change rate value between two continuous times of light transmittance, finishing the detection until the change rate value between two continuous times of light transmittance is smaller than a preset change rate limit value, setting the light transmittance of the photochromic glass at the current moment to be saturated and darkened, and recording the total time required by finishing the detection;
3) the darkening performance of the photochromic glass was judged from the saturated darkening transmittance obtained in step 2) and the total time recorded.
Preferably, the first change rate limit value is 0.001-0.1; the first preset time is 5 seconds to 5 minutes.
Preferably, the method also comprises the step of detecting the blinding performance, which specifically comprises the following steps:
in the step 1), a second change rate limit value and second preset time are also preset, wherein the second preset time is the interval time between two detections of the light transmittance instrument;
after the end of step 2), the following step a) is carried out: detecting the photochromic glass 1 detected last time in the step 2) at a second preset time interval at a luminometer 3, repeatedly detecting for multiple times at the second preset time interval, simultaneously recording the luminousness of the photochromic glass detected each time, calculating the change rate value between two continuous luminousness times, finishing the detection until the change rate value between two continuous luminousness times is smaller than a preset change rate limit value, wherein the luminousness of the photochromic glass at the current moment is the saturated and well-known luminousness, and recording the total time required by finishing the detection;
judging the renaturation performance of the photochromic glass according to the saturated renaturation light transmittance obtained in the step a) and the recorded total time.
Preferably, the second change rate limit value is 0.001-0.1, and the second preset time is 1 second-1 minute.
Preferably, the excitation light source emits 1 ten thousand to 20 ten thousand million lux visible light.
The invention also provides a photochromic performance detection device of photochromic glass, which comprises: the device comprises an excitation light source, a luminometer, a switching device and a control system, wherein the excitation light source and the luminometer are separated by a distance, the excitation light source, the luminometer and the switching device are all connected with the control system, the control system controls the switching device to act, and the switching device switches the photochromic glass to be detected between the excitation light source and the luminometer in a moving manner.
Preferably, the excitation light source is a xenon arc lamp, an ultraviolet lamp or an infrared lamp.
Preferably, the luminometer is a fast response spectrometer or a spectrophotometer.
Preferably, the switching device comprises a moving platform, a driving mechanism and a guide rail, two ends of the guide rail respectively extend to the excitation light source and the luminometer, the moving platform is used for fixing the photochromic glass to be detected, and the driving mechanism is connected with the control system so as to drive the moving platform to move along the guide rail.
Preferably, the switching device comprises a driving mechanism and a rotating disk, the excitation light source and the luminometer are respectively arranged on two sides of the rotating disk, the rotating disk is used for fixing the photochromic glass to be detected, the driving mechanism is connected with the control system to drive the rotating disk to rotate, so that the photochromic glass is switched between the excitation light source and the luminometer.
As described above, the method and the device for detecting photochromic performance of photochromic glass according to the present invention have the following advantages: according to the invention, the photochromic glass is switched between the excitation light source and the luminometer, and a distance is reserved between the excitation light source and the luminometer, so that the excitation light source and the luminometer are not influenced mutually, and a plurality of spectrum monitoring devices are not required to be used in combination, thereby reducing the influence of human factors, maintaining good accuracy and greatly reducing the detection cost; in addition, the control system can adjust the continuous irradiation time of the excitation light source as required, and the minimum saturated light transmittance of the photochromic glass with different color-changing characteristics can be conveniently found by calculating the change rate of the light transmittance of the front and the back in real time, so that the color-changing and the brightening performance of the photochromic glass can be detected. Therefore, the detection method and the detection device can be applied to different types of photochromic glass and can conveniently and accurately obtain the photochromic performance indexes of the photochromic glass.
Drawings
FIG. 1 is a schematic diagram of a method for detecting photochromic properties of photochromic glass according to the present invention.
FIG. 2 is a flowchart of a method for detecting photochromic properties of photochromic glass according to the present invention.
Fig. 3 is a schematic block diagram of a photochromic performance detection device of photochromic glass according to the present invention.
Fig. 4 is a schematic view of a photochromic performance detection device of photochromic glass according to a first embodiment.
Fig. 5 is a schematic view of a photochromic performance detection device of photochromic glass according to a second embodiment.
Fig. 6 is a schematic view of a third embodiment of a photochromic performance detection device of photochromic glass.
Description of the element reference numerals
1 photochromic glass
2 excitation light source
3 light transmittance instrument
4 switching device
5 controller
6 calculation display unit
7 Metal plate
21 first support
22 xenon arc lamp
23 ultraviolet lamp
24. 34 bracket
31 second support
32 spectrophotometer
33 support
41 drive motor
42 slider
43 linear guide
44 support frame
45 ball screw
46 mounting rack
47 rotating disc
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 6. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
In the present specification, the transmittance change rate value is defined as: obtaining the light transmittance obtained by two continuous detections, calculating the difference between the two, and recording the ratio of the difference to the maximum value of the two as the light transmittance change rate value; the rate limit is defined as: limit value of photochromic glass during darkening or rejuvenation.
The invention provides a photochromic performance detection method of photochromic glass, which can realize the detection of the darkening performance of the photochromic glass 1, as shown in figure 1, and specifically comprises the following steps:
1) presetting a first change rate limit value C1 in the darkening detection, and presetting a first preset time, wherein the first preset time is the interval time between two detections by the luminometer, the first preset time in the embodiment is mainly the continuous irradiation time at the excitation light source, and the time for switching the photochromic glass between the excitation light source 2 and the luminometer is ignored, and in the embodiment, the first preset time t is the first preset time1Can be 5 seconds to 5 minutes, preferably 10 seconds, 30 seconds or 60 seconds, and the first rate of change limit C1 can be 0.001 to 0.1, preferably 0.01, 0.02 or 0.03;
2) placing the photochromic glass to be detected at the position 1 (the original position)In the embodiment, the position of the excitation light source is called as position 1, and the position of the luminometer is called as position 2), the excitation light source 2 excites the photochromic glass 1 for a first preset time t1Then, the photochromic glass 1 is moved to a light transmittance instrument 3 for detection, the light transmittance of the photochromic glass at the current moment is recorded and is recorded as Ti-1(ii) a Repeatedly moving the photochromic glass 1 back to the excitation light source 2 for irradiating for a first preset time t1Moving to a luminometer for detection, and calculating the value of the change rate (T) of the luminometer before and after two times in real timei-1-Ti)/Ti-1Up to (T)i-1-Ti)/Ti-1<The first limiting value of the rate of change C1 ends the test, and T is setiSaturated transmittance, also called saturated dimmed transmittance, as dimmed detection and the total time required to end the detection is recorded, going to step 3); wherein, the light transmittance Ti-1And TiIn the dimming process, the influence of a visual function of human eyes is considered, the light transmittance after the integral of the whole visible light wavelength range is obtained, and the value of i is the number of times of detection and recording in the dimming process;
3) the darkening performance of the photochromic glass was judged from the saturated darkening transmittance obtained in step 2) and the total time recorded.
According to the invention, the photochromic glass 1 is switched between the excitation light source 2 and the luminometer 3, a distance is reserved between the excitation light source 1 and the luminometer 3, the excitation light source 1 and the luminometer 3 are not affected by each other, and a plurality of spectrum monitoring devices are not required to be used in combination, so that the influence of human factors is reduced, good accuracy is kept, the detection cost is greatly reduced, the darkening performance of the photochromic glass 1 can be obtained, the saturation and darkness of the photochromic glass 1 are determined, and a reference is made for the detection of the brightening performance.
As an embodiment, the present embodiment can also realize the detection of the renaturation performance of the photochromic glass 1, specifically as follows:
1) presetting the interval time of two detections of the luminometer in the detection of the brightness recovery (namely, the second preset time t)2) And a second rate of change limit C2 for a second predetermined time t2May be 1 second to 1 minute, preferably 5 seconds, 10 seconds or 15 seconds, and the second rate limiting value C2 may be0.001 to 0.1, preferably 0.01,0.005 or 0.001;
2) detecting the photochromic glass 1 detected last time in the step 2) in the darkening performance detection at a luminometer 3 at intervals of second preset time, recording the luminousness of the photochromic glass 1 at the current moment, and recording as T'j-1(ii) a And repeat at a second preset time t2Carrying out detection for multiple times, and calculating light transmittance change rate values (T ') of two times in real time'j-T’j-1)/T’jUp to (T'j-T’j-1)/T’j<A second change rate limiting value C2, ending the detection, and converting T'jAs the saturated light transmittance in the detection of the brightness recovery, also called the saturated light transmittance, and the total time required for finishing the detection is recorded, the procedure goes to step 3); light transmittance T'j-1And T'jIn the process of vision recovery, the influence of a human visual function is considered, the light transmittance after the integral of the whole visible light wavelength range is obtained, and the value of j is the number of times of detection record in the process of vision recovery;
3) judging the renaturation performance of the photochromic glass according to the saturated renaturation light transmittance obtained in the step 2) and the recorded total time.
As another embodiment, the present embodiment can perform darkening detection and brightening detection on photochromic glass, and the specific detection process may be: as shown in figure 2 of the drawings,
1) presetting parameter values, including: first preset time t required in dimming detection1A first limited rate of change C1, a first predetermined time t1The time period can be 5 seconds to 5 minutes, preferably 10 seconds, 30 seconds or 60 seconds, and the change rate limit value C1 can be 0.001 to 0.1, preferably 0.01, 0.02 or 0.03; second preset time t required in the brightness recovery detection2And a second rate of change limit C2 for a second predetermined time t2Can be 1 second to 1 minute, preferably 5 seconds, 10 seconds or 15 seconds, and the second rate of change limit C2 can be 0.001 to 0.1, preferably 0.01,0.005 or 0.001;
2) the photochromic glass to be detected is firstly placed at the position 1 (in the embodiment, the position of an excitation light source is called as the position 1, and the position of a luminometer is called as the position 2), and then is changedDark detection, which is a process of the detection steps required for the above-mentioned dimming performance, namely: the excitation light source 2 excites the photochromic glass 1 for a first preset time t1Then, the photochromic glass 1 is moved to a light transmittance instrument 3 for detection, the light transmittance of the photochromic glass at the current moment is recorded and is recorded as Ti-1(ii) a Repeatedly moving the photochromic glass 1 back to the excitation light source 2 for irradiating for a first preset time t1Moving to a luminometer for detection, and calculating the value of the change rate (T) of the luminometer before and after two times in real timei-1-Ti)/Ti-1Up to (T)i-1-Ti)/Ti-1<A first rate limit value C1, end test, andisaturated transmittance, also called saturated dimmed transmittance, as dimmed detection and the total time required to end the detection is recorded, going to step 3);
3) performing a vision recovery test, and separating the photochromic glass 1 detected last time in the step 2) for a second preset time t2Then, the transmittance was measured by a transmittance meter 3, and the transmittance of the photochromic glass 1 at the current time was recorded as T'j-1(ii) a Repeatedly carrying out detection on the photochromic glass 1 at intervals of a second preset time T2 for multiple times, and calculating values (T ') of light transmittance change rate twice before and after in real time'j-T’j-1)/T’jUp to (T'j-T’j-1)/T’j<A second change rate limiting value C2, ending the detection, and converting T'jAs the saturated transmittance in the blinding detection, also referred to as saturated blinding transmittance, and the total time required to end the detection was recorded;
4) judging the darkening performance of the photochromic glass according to the saturated darkening light transmittance obtained in the step 2) and the recorded total time, and judging the brightening performance of the photochromic glass according to the saturated brightening light transmittance obtained in the step 3) and the recorded total time.
In the embodiment, the light emitted by the excitation light source is 1 ten thousand to 20 million Leckes visible light; the photochromic glass 1 may be a photochromic glass prepared from an organic or inorganic material, or a photochromic glass prepared from an organic-inorganic composite material.
The invention also provides a photochromic performance detection device of photochromic glass, which can realize the photochromic performance detection method, as shown in fig. 3, the photochromic performance detection device mainly comprises: excitation light source 2 and luminousness appearance 3 to and auto-change over device 4, control system (including controller 5, calculation display element 6 and power), excitation light source 2 and luminousness appearance 3, auto-change over device 4 all link to each other with control system, and control system control auto-change over device 4 will detect photochromic glass 1 and move the switching between excitation light source (glass placement position 1) and luminousness appearance (glass placement position 2). The controller 5 of the invention can control the switching device 4 to switch between two positions and can control the excitation time of the excitation light source 2, and the controller 5 transmits the light transmittance detected by the light transmittance instrument 3 to the calculation display unit 6, which can be used for displaying and can also display the formed curve of the light transmittance changing along with time.
Example 1
As shown in fig. 4, the switching device in this embodiment includes a support 44, a linear guide 43 disposed on the support 44, a sliding block 42 sliding along a sliding slot on the linear guide 43, and a driving mechanism (in this embodiment, a driving motor 41), where the sliding block 42 is fixed to a moving platform, the moving platform is used to fix the photochromic glass 1 to be detected, two ends of the linear guide 43 respectively extend to an excitation light source (in this embodiment, the xenon arc lamp 22) and a luminometer (in this embodiment, the spectrophotometer 33), and the driving mechanism is connected to a control system to drive the moving platform to move along the linear guide 43. In this embodiment, the excitation light source is fixed on the support frame 44 through the first support 21, and the transmittance meter is fixed on the support frame 44 through the second support 31.
At room temperature, the photochromic glass 1, which was sufficiently discolored, was first fixed on a moving platform and placed right in front of the xenon arc lamp 22. The light intensity of the light source is set to be 5 million lux, the first preset time t1 is set to be 30 seconds, the second preset time t2 is set to be 15 seconds, the first change rate limit value C1 is set to be 0.01, the second change rate limit value C2 is set to be 0.001, and the test is started after the parameter setting is finished. The control system controls the photochromic glass 1 to wait and switch between the xenon arc lamp 22 and the spectrophotometer 33, and repeats the process to finish the darkening performance detection, and continuously enables the photochromic glass 1 to carry out interval detection at the spectrophotometer 33 to finish the brightening performance detection. The saturated darkening transmittance and the saturated shading transmittance can be obtained from the calculation display unit 6, and the darkening and shading performances can be further judged.
In this embodiment, the excitation light source may also be a xenon arc lamp, an ultraviolet lamp, or an infrared lamp. The luminometer may also be a fast response spectrometer or spectrophotometer.
Example 2
The present embodiment is different from the embodiment 1 mainly in a switching device, as shown in fig. 5, the switching device of the present embodiment mainly includes a driving motor 41, a ball screw 45, and a mounting bracket 46 connected to the ball screw, the photochromic glass 1 is mounted on the mounting bracket 46, a control system controls the driving motor 41 to rotate, and the ball screw 45 controlled by the driving motor drives the mounting bracket 46 to switch between an excitation light source (in the present embodiment, the ultraviolet lamp 23) and a luminometer (in the present embodiment, the fast-response spectrometer).
In this embodiment, the whole detection device is installed on the metal plate 7, and the transmittance meter is fixed on one side of the ultraviolet lamp 23 through the bracket 33, and a distance is provided between the transmittance meter and the ultraviolet lamp. At room temperature, the photochromic glass 1, which is sufficiently faded, is first mounted on the mounting frame 46 and placed directly in front of the ultraviolet lamp 23. The light intensity of the light source is set to be 10 watts per square meter, the first preset time t1 is set to be 60 seconds, t2 is set to be 30 seconds, the limit value of the change rate C1 is set to be 0.02, the limit value of the change rate C2 is set to be 0.005, and the test is started after the parameter setting is finished. The photochromic glass 1 waits and is switched between the ultraviolet lamp 23 and the light transmittance instrument according to the setting, the process is repeated, the darkening performance detection is completed, the photochromic glass 1 is continuously subjected to interval detection at the light transmittance instrument, and the brightening performance detection is completed. The saturated darkening transmittance and the saturated shading transmittance can be obtained from the calculation display unit 6, and the darkening and shading performances can be further judged.
Example 3
The present embodiment is different from the above embodiment 1 mainly in a switching device, as shown in fig. 6, the switching device of the present embodiment mainly includes a driving motor 41, a rotating disk 47 connected to the driving motor 41, an excitation light source (in the present embodiment, a xenon arc lamp) and a transmittance meter are located at two sides of the rotating disk 47, the photochromic glass 1 is mounted on the rotating disk 47, and a control system controls the driving motor 41 to rotate, so that the rotating disk 47 is controlled to rotate, and the photochromic glass 1 is switched between the excitation light source and the transmittance meter. In this embodiment, for convenience of installation, the whole detection device is disposed on the metal plate 7, the xenon arc lamp is fixed on the metal plate 7 through the bracket 24, and the luminometer is fixed on the metal plate 7 through the bracket 34.
At room temperature, the photochromic glass 1, which was sufficiently discolored, was first passed through a rotary disk 47 and placed right in front of a xenon arc lamp. The light intensity of the light source is set to 10 million lux, the first preset time t1 is set to 15 seconds, the second preset time t2 is set to 10 seconds, C1 is set to 0.01, C2 is set to 0.001, and the test is started after the parameter setting is finished. The photochromic glass 1 waits and is switched between the xenon arc lamp and the luminometer according to the setting, the process is repeated, the darkening performance detection is completed, the photochromic glass 1 is continuously subjected to interval detection at the luminometer, and the brightening performance detection is completed. The saturated darkening transmittance and the saturated shading transmittance can be obtained from the calculation display unit 6, and the darkening and shading performances can be further judged.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The photochromic glass photochromic performance detection method is characterized by comprising darkening performance detection, wherein the darkening performance detection comprises the following specific steps:
1) presetting a first change rate limit value, and presetting first preset time, wherein the first preset time is the interval time of carrying out two detections by a luminometer;
2) controlling the photochromic glass to continuously irradiate at an excitation light source, moving the photochromic glass for a certain distance to a light transmittance instrument for detection, carrying out interval detection by reciprocating switching the photochromic glass at the excitation light source and the light transmittance instrument, wherein the interval time of two adjacent times in the interval detection is an interval time value, recording the light transmittance of the photochromic glass detected each time, calculating the change rate value between two continuous times of light transmittance, finishing the detection until the change rate value between two continuous times of light transmittance is smaller than a preset change rate limit value, setting the light transmittance of the photochromic glass at the current moment to be saturated and darkened, and recording the total time required by finishing the detection;
3) the darkening performance of the photochromic glass was judged from the saturated darkening transmittance obtained in step 2) and the total time recorded.
2. The method for detecting photochromic properties of photochromic glass according to claim 1, wherein: the first change rate limit value is 0.001-0.1; the first preset time is 5 seconds to 5 minutes.
3. The method for detecting photochromic properties of photochromic glass according to claim 1, wherein: the method also comprises the step of detecting the blinding performance, which specifically comprises the following steps:
in the step 1), a second change rate limit value and second preset time are also preset, wherein the second preset time is the interval time between two detections of the light transmittance instrument;
after the end of step 2), the following step a) is carried out: detecting the photochromic glass 1 detected last time in the step 2) at a second preset time interval at a luminometer 3, repeatedly detecting for multiple times at the second preset time interval, simultaneously recording the luminousness of the photochromic glass detected each time, calculating the change rate value between two continuous luminousness times, finishing the detection until the change rate value between two continuous luminousness times is smaller than a preset change rate limit value, wherein the luminousness of the photochromic glass at the current moment is the saturated and well-known luminousness, and recording the total time required by finishing the detection;
judging the renaturation performance of the photochromic glass according to the saturated renaturation light transmittance obtained in the step a) and the recorded total time.
4. The photochromic performance detection method of photochromic glass as claimed in claim 4, wherein: the second change rate limit value is 0.001-0.1, and the second preset time is 1 second-1 minute.
5. The method for detecting photochromic properties of photochromic glass according to claim 1, wherein: the excitation light source emits 1 ten thousand to 20 million lux visible light.
6. A photochromic glass's photochromic performance detection device which characterized in that: the method comprises the following steps: the device comprises an excitation light source, a luminometer, a switching device and a control system, wherein the excitation light source and the luminometer are separated by a distance, the excitation light source, the luminometer and the switching device are all connected with the control system, the control system controls the switching device to act, and the switching device switches the photochromic glass to be detected between the excitation light source and the luminometer in a moving manner.
7. The photochromic performance detection device of photochromic glass as claimed in claim 6, wherein: the excitation light source is a xenon arc lamp, an ultraviolet lamp or an infrared lamp.
8. The photochromic performance detection device of photochromic glass as claimed in claim 6, wherein: the luminometer is a fast response spectrometer or a spectrophotometer.
9. The photochromic performance detection device of photochromic glass as claimed in claim 6, wherein: the switching device comprises a moving platform, a driving mechanism and a guide rail, two ends of the guide rail respectively extend to the excitation light source and the luminometer, the moving platform is used for fixing the photochromic glass to be detected, and the driving mechanism is connected with the control system so as to drive the moving platform to move along the guide rail.
10. The photochromic performance detection device of photochromic glass as claimed in claim 6, wherein: the switching device comprises a driving mechanism and a rotating disk, the excitation light source and the luminometer are respectively arranged on two sides of the rotating disk, the rotating disk is used for fixing photochromic glass to be detected, the driving mechanism is connected with the control system to drive the rotating disk to rotate, and the photochromic glass is switched between the excitation light source and the luminometer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113567374A (en) * | 2021-07-26 | 2021-10-29 | 中国建材国际工程集团有限公司 | Method for calculating solar heat gain coefficient of photochromic glass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567374A (en) * | 2021-07-26 | 2021-10-29 | 中国建材国际工程集团有限公司 | Method for calculating solar heat gain coefficient of photochromic glass |
| CN113567374B (en) * | 2021-07-26 | 2023-10-03 | 中国建材国际工程集团有限公司 | Method for calculating solar energy coefficient of heat gain of photochromic glass |
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