CN203117107U

CN203117107U - Device for detecting penetration rate of photochromic material

Info

Publication number: CN203117107U
Application number: CN 201320008040
Authority: CN
Inventors: 李正忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-08
Filing date: 2013-01-08
Publication date: 2013-08-07
Anticipated expiration: 2023-01-08

Abstract

The utility model discloses a device for detecting the penetration rate of a photochromic material. The device comprises a case for isolating an external light source, wherein a to-be-detected photochromic material is movably placed inside the case, a reference light source is arranged on one side inside the case and is arranged in front of the to-be-detected photochromic material, at least one color-changing excitation light source is arranged on one side of the photochromic material, a light sensor is arranged on the other side of the photochromic material, the reference light source, the color-changing excitation light source and the light sensor are linked to a control circuit, the control circuit is linked with a data collecting and processing unit, the linking of the data collecting and processing unit is responsible for the on-off control of the reference light source and the color-changing excitation light source and the data collection by the light sensor, the collected data is recorded, the data is converted into the penetration rate of the photochromic material, and the penetration rate is displayed on a human-computer interface. The device achieves convenient and precise detection of the penetration rate of the photochromic material.

Description

The pick-up unit of photochromic material penetrance

Technical field

The utility model belongs to the optical material checkout equipment, refers to a kind of pick-up unit of photochromic material penetrance especially.

Background technology

Under the general illumination condition, simple glass is transparent, glass or transparent plastic material for some special component, under the visible light radiation of ultraviolet light or specific wavelength, can produce the light absorption of visible region, material generation penetrability is reduced or the generation change color, and after illumination stops, automatically restoring to original pellucidity, be referred to as photochromic material; The color of photochromic glass and penetrability can change with intensity of sunshine, the intensity of sunshine height, and the color of glass is dark, and transmittance is low; Otherwise intensity of sunshine is low, glass of light color, and penetrability is then high.

And photochromic lens generally is called for short the variable color sheet, is to add compound such as silver halide in colourless or coloured optical glass element, makes eyeglass can resolve into silver and halogen atom when ultraviolet ray is shone, and eyeglass carbon fiber color from light to dark; Otherwise when light died down, silver and halogen were combined into colourless silver halide again again, and eyeglass is got back to virgin state, and the rectifiable eyesight of this eyeglass can be used as sunglasses again and uses; Invented photochromic resin material in the 1986's, use osmosis to infiltrate the photochromic photosensitive material of one deck at the convex surface of eyeglass, or off-color material directly sneaked into make eyeglass have color shifting properties in the resin material, this eyeglass variable color is rapid, not temperature influence.

The detection method of transmittance (light resistance rate) commonly used is that off-color material is modulated into solution, re-uses spectrometer and carries out transmittance calculating or spectral analysis, and its detection mode comparatively bothers and be complicated.

The utility model content

Of the present utility modelly provide a kind of pick-up unit that can detect the photochromic material penetrance more convenient and accurately.

For achieving the above object, solution of the present utility model is:

A kind of pick-up unit of photochromic material penetrance, 1, a kind of pick-up unit of photochromic material penetrance, it is provided with the cabinet of an isolation external light source, this cabinet is inserted photochromic material to be measured for activity, side in this cabinet is provided with a reference light source, this reference light source is arranged at the place ahead of this photochromic material to be measured, one side of this photochromic material is provided with at least one variable color excitation source, and be provided with optical sensor at the opposite side of this photochromic material, and this reference light source, this variable color excitation source and this optical sensor link to a control circuit, this control circuit and data are collected and are linked with processing unit, these data are collected with linking of processing unit and are responsible for the switch control of this reference light source and this variable color excitation source and the data collection of this optical sensor, record collected data, these data are converted to the penetrance of this photochromic material, and are shown in the man-machine interface.

Described reference light source is the light fixture of Halogen lamp LED, xenon lamp, multi-wavelength or the reference light source of being made up of the lamp source of many groups different wave length.

Described variable color excitation source is the needed exciting light of this photochromic material, for the light fixture that sends the UV wavelength, UV LED or by the light fixture of a plurality of excitation wavelength range.

Described optical sensor is for containing the sensor of all spectral ranges of this reference light source.

Described optical sensor is CMOS, CCD, general silica-based optical sensor or solar panels.

Described optical sensor is made of a plurality of sensors.

Described control circuit is set of number analog-converted and microprocessor.

Described data are collected with processing unit possesses the function that has data to collect, handle, show, and possesses at least a display interface is arranged.

After adopting such scheme, visible the utility model does not use spectral analysis or spectrometer method, changes with optical sensor to penetrate the summation energy of light with measurement, and uses the variable color excitation source as the light source that triggers the detected materials variable color; Wherein, after signal that optical sensor measures is handled by control circuit in advance, be sent to the data collection and carry out subsequent calculations and record with processing unit, control circuit can be accepted simultaneously data and collect the switch that variable color excitation source and reference light source are controlled in the instruction that transmits with the processing unit end, so can realize more convenient and detects the penetrance of photochromic material accurately.

Description of drawings

Fig. 1 is the synoptic diagram of the utility model pick-up unit;

Fig. 2 is the use synoptic diagram of the utility model embodiment;

Fig. 3 is the permeability variations curve map between the utility model embodiment photochromic material penetrance detection period.

The primary clustering symbol description

1 cabinet

2 photochromic materials, 20 UV color-changing lens

3 reference light sources, 30 Halogen lamp LEDs

4 variable color excitation sources, 40 UV lamps

5 optical sensors

6 control circuits

7 data are collected and processing unit 70 man-machine interfaces.

Embodiment

About the utility model is to reach above-mentioned application target and effect, the technological means that is adopted is enumerated preferable feasible embodiment now, and cooperate graphic shown in, details are as follows:

At first, see also shown in Figure 1, mainly be to be provided with the cabinet 1 that to isolate external light source, this cabinet 1 can conveniently be opened for inserting photochromic material to be measured 2, side in this cabinet 1 is provided with a reference light source 3, this reference light source 3 is arranged at the place ahead of this photochromic material to be measured 2, one side of this photochromic material 2 is provided with at least one variable color excitation source 4, and be provided with an optical sensor 5 at the opposite side of this photochromic material 2, aforesaid assembly all is positioned in the cabinet 1 that can isolate external light source, this cabinet 1 can conveniently be opened for changing this photochromic material 2 to be measured, and this reference light source 3, this variable color excitation source 4 and this optical sensor 5 are to link to a control circuit 6, this control circuit 6 is collected with data and is linked with processing unit 7, these data are collected with processing unit 7 and are linked responsible this reference light source 3 and the switch control of this variable color excitation source 4 and the data collection of this optical sensor 5, record collected data, and these data are converted to the penetrance of photochromic material 2, and be shown in the man-machine interface 70.

The light fixture that this reference light source 3 can be Halogen lamp LED, xenon lamp, multi-wavelength or the reference light source of being formed by the lamp source of many groups different wave length.

4 of this variable color excitation sources are these photochromic material 2 needed exciting lights, can be that the light fixture, the UV LED that send the UV wavelength constitute or are sent that light source arranges in pairs or groups that specific optical filter is constituted or be made up of the light fixture of a plurality of suitable excitation wavelength range by other light fixtures.

5 of this optical sensors are the sensors that can contain these reference light source 3 all spectral ranges, as CMOS, CCD, form such as silica-based optical sensor or solar panels.

This optical sensor 5 can use a plurality of sensor to constitute, and individual sensor is responsible for the different wave length sensing range.

This control circuit 6 can be set of number analog-converted and microprocessor.

These data are collected with processing unit 7 and be can be computing machine, need possess functions such as testing process control and the drafting of permeability variations curve.

The embodiment of the utility model photochromic material penetrance pick-up unit, see also shown in Figure 2, present embodiment is in order to detect UV color-changing lens 20, this UV color-changing lens 20 is placed in the cabinet 1, in this cabinet 1, be provided with optical sensor 5 and Halogen lamp LED 30, with this Halogen lamp LED 30 as reference light source 3, and UV lamp 40 is as variable color excitation source 4, in order to excite 20 variable colors of UV color-changing lens, these control circuit 6 cordings are equipped with communication interface, can collect and processing unit 7(computing machine with data) online transmission related command and optical sensor 5 signals, wherein comprise control circuit 6(and contain microprocessor, the A/D conversion, switch control and the RS-232 transmission interface of UV lamp and Halogen lamp LED), the RS-232 circuit, transformer etc.

Its testing process is as follows:

1. open reference light source 3(Halogen lamp LED 30), and the measured brightness referential data R of recording light sensor 5.

2. with photochromic material 2(UV color-changing lens 20 to be measured) be positioned in the cabinet 1.

3. open variable color excitation source 4(UV lamp 40), the real-time luminosity numerical value St that monitoring optical sensor 5 is measured calculates real-time penetrance numerical value according to following formula

Figure 2013200080401100002DEST_PATH_IMAGE002

, and record and drafting penetrance reduction curve.

4. when penetrance numerical value no longer changes, close variable color excitation source 4(UV lamp 40), continue to monitor the measured real-time luminosity numerical value St of optical sensor 5, and calculate real-time penetrance numerical value, and record and drafting penetrance recovery curve.

5. when penetrance numerical value returns to 90%, close reference light source 3(Halogen lamp LED 30), detect and namely finish.

For recording the permeability variations curve, take computing machine (data are collected and processing unit 7) on-line mode, man-machine interface 70 program control all measuring programs and data recording by computer terminal, the communication interface and photochromic material (color-changing lens) the penetrance measurement instrument that see through computer terminal are linked up, its permeability variations curve as shown in Figure 3, so, can make things convenient for and detect accurately the penetrance of photochromic material 2.

In sum, the utility model has reached desired application target and effect really, and ideal, practicality that more known person is, only, above-described embodiment only is to be specifically described at preferred embodiment of the present utility model, this embodiment is not in order to limiting claim of the present utility model, and other does not break away from following equalization of finishing of technological means that the utility model discloses and changes and modify such as, all should be contained in the claim scope that the utility model contains.

Claims

1. the pick-up unit of a photochromic material penetrance, it is characterized in that: the cabinet that is provided with an isolation external light source, this cabinet is inserted photochromic material to be measured for activity, side in this cabinet is provided with a reference light source, this reference light source is arranged at the place ahead of this photochromic material to be measured, one side of this photochromic material is provided with at least one variable color excitation source, and be provided with optical sensor at the opposite side of this photochromic material, and this reference light source, this variable color excitation source and this optical sensor link to a control circuit, this control circuit and data are collected and are linked with processing unit, these data are collected with linking of processing unit and are responsible for the switch control of this reference light source and this variable color excitation source and the data collection of this optical sensor, record collected data, these data are converted to the penetrance of this photochromic material, and are shown in the man-machine interface.

2. the pick-up unit of photochromic material penetrance as claimed in claim 1, it is characterized in that: this reference light source is the light fixture of Halogen lamp LED, xenon lamp, multi-wavelength or the reference light source of being made up of the lamp source of many groups different wave length.

3. the pick-up unit of photochromic material penetrance as claimed in claim 1, it is characterized in that: this variable color excitation source is the needed exciting light of this photochromic material, for the light fixture that sends the UV wavelength, UV LED or by the light fixture of a plurality of excitation wavelength range.

4. the pick-up unit of photochromic material penetrance as claimed in claim 1, it is characterized in that: this optical sensor is for containing the sensor of all spectral ranges of this reference light source.

5. the pick-up unit of photochromic material penetrance as claimed in claim 4, it is characterized in that: this optical sensor is CMOS, CCD, general silica-based optical sensor or solar panels.

6. the pick-up unit of photochromic material penetrance as claimed in claim 1, it is characterized in that: this optical sensor is made of a plurality of sensors.

7. the pick-up unit of photochromic material penetrance as claimed in claim 1, it is characterized in that: this control circuit is set of number analog-converted and microprocessor.

8. the pick-up unit of photochromic material penetrance as claimed in claim 1 is characterized in that: these data are collected with processing unit possesses the function that has data to collect, handle, show, and possesses at least a display interface is arranged.