CN202886283U - Triple-waveband optical transmittance measuring instrument - Google Patents
Triple-waveband optical transmittance measuring instrument Download PDFInfo
- Publication number
- CN202886283U CN202886283U CN 201220302023 CN201220302023U CN202886283U CN 202886283 U CN202886283 U CN 202886283U CN 201220302023 CN201220302023 CN 201220302023 CN 201220302023 U CN201220302023 U CN 201220302023U CN 202886283 U CN202886283 U CN 202886283U
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- measuring instrument
- detector
- triband
- transmitance
- transmittance
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Abstract
The utility model discloses a triple-waveband optical transmittance measuring instrument which is composed of an outer box, a measuring unit, an information processing module and a display module, wherein the measuring unit is connected with the information processing module, the information processing module is connected with the display module, and the display module is arranged on a panel of the outer box of the measuring instrument; and the measuring unit further comprises an LED (light-emitting diode) light source, a parallel optical system, a visual function calibration chip, a detector and a testing slot, and the measuring instrument simultaneously measures the ultraviolet ray transmittance, the infrared ray transmittance and the visible light transmittance. According to the triple-waveband optical transmittance measuring instrument; the parallel optical system is adopted for vertically transmitting measured samples, so that measuring errors caused by light refraction are effectively solved; and the visual function calibration chip is adopted for correcting response spectrums, so that the response spectrums satisfy a photopic visual function V (lambda), and the requirements of standards such as JJF 1225-2009 on measuring spectrums are effectively solved.
Description
Technical field
The utility model relates to a kind of triband optical transmittance measuring instrument, and described measuring instrument is used for glass, Coating Materials, and the optical transmittance test of the transmission substances such as organic material obtains ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate simultaneously.
Background technology
In the middle of the existing portable optical transmitance measuring instrument, optical system generally adopts led light source and silicon photocell detector, there is certain angle of divergence in led light source, owing to the refraction reason, light beam will depart from the former direction of propagation after seeing through the sample such as heavy sheet glass, the thicker BEAM SQUINT of sample is far away, and thickness of sample directly affects measurement result.Simultaneously, led light source emission spectrum and silicon photocell response spectrum do not satisfy the vision function requirement, cause band sample of colour measuring error bigger than normal.
The utility model content
The purpose of this utility model provides a kind of triband optical transmittance measuring instrument, and the utility model adopts parellel light beam system, and vertical transmission sample effectively solves the measuring error that causes because of light refraction; The utility model adopts vision function correcting sheet correction response spectrum, and response spectrum satisfies photopic vision function V (λ), efficiently solves the standard such as JJF 1225-2009 to the requirement of measure spectrum.
The technical scheme that realizes the utility model purpose is:
A kind of triband optical transmittance measuring instrument, formed by outer box, measuring unit, message processing module, display module, described measuring unit link information processing module, described message processing module is used for measurement products is analyzed, data after the measurement show that through display module described display module is arranged on the outer box panel of measuring instrument; Described measuring unit further comprises led light source, parellel light beam system, the vision function correcting sheet, detector, test trough, described parellel light beam system is comprised of diaphragm and collimation lens, described diaphragm is positioned at the focus place of collimation lens, described led light source is measured measurement products through parellel light beam system, described led light source and parellel light beam system are arranged on an end of test trough, described detector is measured measurement products through the vision function correcting sheet, described detector and vision function correcting sheet are arranged on the other end of test trough, and described led light source is corresponding with detector by test trough.
Further, described measuring instrument is measured ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate simultaneously, reflect that sample is to the translucent effect of ultraviolet ray, ultrared barriering effect and visible light, described ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate respectively correspondence arrange three led light sources, three parellel light beam systems, three detectors, light source and the detector of described ultraviolet ray transmissivity, infrared ray transmitance, visible light transmittance rate are separately fixed at the test trough two ends, and the light source of described each transmitance and detector are corresponding one by one.
Further, described display module is shown by three groups of charactrons and forms, and shows respectively corresponding ultraviolet ray transmissivity of numerical value, infrared ray transmitance and visible light transmittance rate.
Further, described measuring instrument keeps the original direction of propagation after making light beam see through sample by the parellel light beam system design, and measurement result is not subjected to the impact of thickness of sample.
Further, described measuring instrument satisfies the photopic vision function by vision function correcting sheet design transmittance response spectrum, reduces the measuring error that sample of colour is arranged.
Further, described measuring instrument has real-time dynamic self-calibration function, and automatic calibration is to 100% transmitance after the start.
Further, the left side of described measuring instrument arranges instrument switch and power interface, and described power interface is used for connecting power supply.
The employing the beneficial effects of the utility model are:
1, parellel light beam system guarantees that light beam impinges perpendicularly on sample, light beam keeps original direction of propagation after seeing through sample, compare with divergent beams in the past, direction of beam propagation no longer is subjected to the impact of sample refraction, and the optical transmittance that is fit to high index of refraction and large thickness sample is measured.
2, optical system adopts the vision function correcting sheet, and the spectrum of light source and detector is revised, and makes response spectrum substantially satisfy photopic vision function V (λ), solves the large problems of sample measurement error such as in the past portable instrument measurement coloured glass.
3, instrument is measured ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate simultaneously, reflects that sample is to the translucent effect of ultraviolet ray, ultrared barriering effect and visible light.
4, the instrument volume is little, and is simple to operate, Quick Measurement.The solution spectrophotometer is expensive, and volume is large, the problems such as complicated operation.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model parallel light path departs from the correction synoptic diagram to light;
Fig. 3 is that the utility model parallel light path departs from the correction synoptic diagram to light;
Fig. 4 is the utility model spectral response correction synoptic diagram;
Fig. 5 is the utility model spectral response correction synoptic diagram;
Fig. 6 is the utility model spectral response correction synoptic diagram;
Fig. 7 is the utility model spectral response correction synoptic diagram;
Among Fig. 1: 1, outer box, 2, led light source (comprising infrared LEDs, ultraviolet LED, visible LED), 3, diaphragm (comprising three diaphragms), 4, collimation lens (comprising three collimation lenses), 5, vision function correcting sheet (visible light wave range), 6, detector (comprising three detectors), 7, test trough, 8, message processing module, 9, display module (comprising three groups of charactrons).
Embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 or Fig. 7 triband optical transmittance measuring instrument provided by the utility model is further specified:
Described triband optical transmittance measuring instrument is comprised of outer box 1, measuring unit, message processing module 8, display module 9, described measuring unit link information processing module 8, described message processing module 8 is used for measurement products is analyzed, data after the measurement show that through display module 9 described display module 9 is arranged on outer box 1 panel of measuring instrument; Described measuring unit further comprises led light source 2, parellel light beam system, vision function correcting sheet 5, detector 6, test trough 7, described parellel light beam system is comprised of diaphragm 3 and collimation lens 4, described diaphragm 3 is positioned at the focus place of collimation lens 4, described led light source 2 is measured measurement products through parellel light beam system, described led light source 2 and parellel light beam system are arranged on an end of test trough 7, described detector 6 is measured through 5 pairs of measurement products of vision function correcting sheet, described detector 6 and vision function correcting sheet 5 are arranged on the other end of test trough 7, and described led light source 2 is corresponding with detector 6 by test trough 7.
Described measuring instrument is measured ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate simultaneously, reflect that sample is to the translucent effect of ultraviolet ray, ultrared barriering effect and visible light, described ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate respectively correspondence arrange three led light sources, three parellel light beam systems, three detectors, light source and the detector of described ultraviolet ray transmissivity, infrared ray transmitance, visible light transmittance rate are separately fixed at the test trough two ends, and the light source of described each transmitance and detector are corresponding one by one.
Described display module 9 is shown by three groups of charactrons and forms, and shows respectively corresponding ultraviolet ray transmissivity of numerical value, infrared ray transmitance and visible light transmittance rate.
Described measuring instrument keeps the original direction of propagation after making light beam see through sample by the parellel light beam system design, and measurement result is not subjected to the impact of thickness of sample.
Described measuring instrument satisfies the photopic vision function by vision function correcting sheet design transmittance response spectrum, reduces the measuring error that sample of colour is arranged.
Described measuring instrument has real-time dynamic self-calibration function, and automatic calibration is to 100% transmitance after the start.
The left side of described measuring instrument arranges instrument switch and power interface, and described power interface is used for connecting power supply.
The brief introduction of triband optical transmittance measuring instrument:
Instrument is measured ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate simultaneously, and light source and the detector of ultraviolet wave band, infrared ray wave band, visible light wave range are separately fixed at the test trough two ends, and the light source of each wave band and detector are corresponding one by one.Adopt the parallel light path design at the Lights section, wherein LED, diaphragm, collimation lens are coaxial, diaphragm diameter 1mm, and collimation lens focal length 10.4mm, diaphragm are positioned at the focus place of collimation lens.The vision function correcting sheet is positioned at the detector leading portion of visible light wave range, is used for the spectral response correction of visible light wave range, and revised spectral response and photopic vision function V (λ) are basically identical.Detector output signal is passed to single-chip microcomputer and is processed after amplifying circuit amplifies, single-chip microcomputer is according to transmitance formula (T=I/I
0) calculate respectively the transmitance of three wave bands, wherein I
0Be incident intensity, I is through the light intensity behind the tested transparency material.Display module adopts three groups of charactrons to show, shows respectively corresponding ultraviolet ray transmissivity of numerical value, infrared ray transmitance and transmittance.
Ultraviolet band adopts the ultraviolet LED of 365nm centre wavelength, and infrared band adopts the infrared LED of 950nm centre wavelength, and visible light wave range adopts white light LEDs.
Light intensity after detector is surveyed respectively the incident intensity of three kinds of light sources and seen through tested transparency material, the ratio that sees through light intensity and incident intensity is transmitance.
Parellel light beam system is comprised of diaphragm and collimation lens, and diaphragm is positioned at the focus place of collimation lens, and beam divergence angle is less than 3 °.
The vision function correcting sheet makes instrument response spectrum substantially satisfy photopic vision function V (λ).Adopt single-chip microcomputer to process and receive signal, automatic decision has n.s. to put into test trough, instrument automatic calibration to 100% during without specimen.
Triband optical transmittance measuring instrument operation instructions:
One: general introduction
Triband optical transmittance measuring instrument test philosophy is to adopt ultraviolet source, infrared light supply and visible light source shine tested transparency material, light intensity after inductor is surveyed respectively the incident intensity of three kinds of light sources and seen through tested transparency material, the ratio that sees through light intensity and incident intensity is transmitance, represents with percentage.
Triband optical transmittance measuring instrument specialty is used for glass, Coating Materials, organic material, coating, the optical transmittance test of the transmission substances such as solar film.Be applicable to single-glass, laminated glass (double glazing), pad pasting glass, PMMA material, the optical performance test of PC material etc.
Two: triband optical transmittance measuring instrument parameter
1. physical dimension: long 160mm * wide 115mm * high 33mm;
2. test trough size: wide 43mm * dark 76mm
3. instruments weight: about 425 grams;
4. thickness of sample: less than 41mm
5. during measured value＜10%, resolution is 0.1%; Other range resolution are 1%;
6. measuring accuracy: be better than ± 2% (colourless uniform-light transmission material), dispatch from the factory with the standard jig measurement be better than ± 1%;
7. ultraviolet: centre wavelength 365nm;
8. visible light: 380nm-760nm all-wave long (response spectrum satisfies the vision function requirement);
9. infrared ray: centre wavelength 950nm;
10.9V AC/DC Power supply, also available portable plug-in lithium battery bag power supply (apolegamy part).
Three: instrumentation
Triband optical transmittance measuring instrument is used for testing various transmission substances for ultraviolet ray, the transmitance of infrared ray and visible light.Measuring process is as follows:
1: plug in, open the power switch of tester.Be empty in the test trough, instrument at first carries out self-test and self calibration, and after self calibration was finished, the displayed value of three displays all was " 100 ", and the transmitance when representing without measured object is 100%.
2: tested thing is put into test trough.Three displays show respectively measured object to ultraviolet ray, the transmitance of infrared ray and visible light.
Four: instrument trait
1. ultraviolet permeability instrument, the infrared transmittivity instrument, visible light transmissivity instrument (luminous transmittance measuring) is three-in-one;
2. adopt the parallel light path design, enable to measure large thickness material.
3. instrument response spectrum satisfies the vision function requirement, and band sample of colour measuring error is little.
4. be applicable to coating, double glazing, pad pasting glass, PMMA material, the transmission measurement of PC material etc.;
5. instrument has real-time dynamic self-calibration function, and automatic calibration is to 100% transmitance after the start;
6. simple to operate, measure fast, only need measured object is put into test trough, show simultaneously immediately three test results;
7. be applicable to properties of product and show factory's shipment quick test, the multiple occasions such as purchaser's receiving inspection.
Five: use step and points for attention
1. instrument connects power source special, and it is empty keeping in the test trough, opens instrument switch;
2. measured object is put into test trough, measured object try one's best the left side of test trough;
3. three display windows show respectively measured object to ultraviolet ray, the transmitance of infrared ray and visible light;
4. when instrument does not use, ask powered-down;
5. instrument self-test and self calibration must be sky in the test trough, otherwise can not finish self calibration when starting shooting;
6. avoid contacting with corrosive corporation, away from hot and humid environment;
7. when long-time continuous is used, because (the led light source temperature raises the luminescence efficiency of led light source, decrease in efficiency) reason, may cause three window datas can not be shown as 100, please close the power supply of instrument this moment, again startup self-detection and self calibration do not affect measuring accuracy and normal the use;
8. in the time of may occurring accidentally without tester, show that it is 100 that data can not return, shutdown is restarted immediately instrument and is got final product;
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (7)
1. triband optical transmittance measuring instrument, it is characterized in that: formed by outer box, measuring unit, message processing module, display module, described measuring unit link information processing module, described message processing module is used for measurement products is analyzed, data after the measurement show that through display module described display module is arranged on the outer box panel of measuring instrument; Described measuring unit further comprises led light source, parellel light beam system, the vision function correcting sheet, detector, test trough, described parellel light beam system is comprised of diaphragm and collimation lens, described diaphragm is positioned at the focus place of collimation lens, described led light source is measured measurement products through parellel light beam system, described led light source and parellel light beam system are arranged on an end of test trough, described detector is measured measurement products through the vision function correcting sheet, described detector and vision function correcting sheet are arranged on the other end of test trough, and described led light source is corresponding with detector by test trough.
2. a kind of triband optical transmittance measuring instrument according to claim 1, it is characterized in that: described measuring instrument is measured ultraviolet ray transmissivity simultaneously, infrared ray transmitance and visible light transmittance rate, reflect that sample is to ultraviolet ray, the translucent effect of ultrared barriering effect and visible light, described ultraviolet ray transmissivity, infrared ray transmitance and visible light transmittance rate respectively correspondence arrange three led light sources, three parellel light beam systems, three detectors, described ultraviolet ray transmissivity, the infrared ray transmitance, the light source of visible light transmittance rate and detector are separately fixed at the test trough two ends, and the light source of described each transmitance and detector are corresponding one by one.
3. a kind of triband optical transmittance measuring instrument according to claim 1, it is characterized in that: described display module is comprised of three groups of digital display tubes, shows respectively corresponding ultraviolet ray transmissivity of numerical value, infrared ray transmitance and visible light transmittance rate.
4. a kind of triband optical transmittance measuring instrument according to claim 1 is characterized in that: described measuring instrument keeps the original direction of propagation after making light beam see through sample by the parellel light beam system design, and measurement result is not subjected to the impact of thickness of sample.
5. a kind of triband optical transmittance measuring instrument according to claim 1 is characterized in that: described measuring instrument satisfies the photopic vision function by vision function correcting sheet design transmittance response spectrum, reduces the measuring error that sample of colour is arranged.
6. a kind of triband optical transmittance measuring instrument according to claim 1, it is characterized in that: described measuring instrument has real-time dynamic self-calibration function, and automatic calibration is to 100% transmitance after the start.
7. a kind of triband optical transmittance measuring instrument according to claim 1, it is characterized in that: the left side of described measuring instrument arranges instrument switch and power interface, and described power interface is used for connecting power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302023 CN202886283U (en) | 2012-06-26 | 2012-06-26 | Triple-waveband optical transmittance measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302023 CN202886283U (en) | 2012-06-26 | 2012-06-26 | Triple-waveband optical transmittance measuring instrument |
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| CN202886283U true CN202886283U (en) | 2013-04-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645674A (en) * | 2018-05-11 | 2018-10-12 | 西安公路研究院 | A kind of light colour pitch light transmittance rapid detection method |
| CN109761231A (en) * | 2018-12-29 | 2019-05-17 | 厦门十一维科技有限公司 | High response temperature measuring material based on graphene and the preparation method and application thereof |
| RU2726271C1 (en) * | 2019-10-23 | 2020-07-10 | Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр Институт прикладной физики Российской академии наук" (ИПФ РАН) | Method of measuring in situ the spectrum of extinction of a transparent sample in a photochemical process |
-
2012
- 2012-06-26 CN CN 201220302023 patent/CN202886283U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645674A (en) * | 2018-05-11 | 2018-10-12 | 西安公路研究院 | A kind of light colour pitch light transmittance rapid detection method |
| CN108645674B (en) * | 2018-05-11 | 2021-01-26 | 西安公路研究院 | Method for rapidly detecting light transmittance of bright asphalt |
| CN109761231A (en) * | 2018-12-29 | 2019-05-17 | 厦门十一维科技有限公司 | High response temperature measuring material based on graphene and the preparation method and application thereof |
| RU2726271C1 (en) * | 2019-10-23 | 2020-07-10 | Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр Институт прикладной физики Российской академии наук" (ИПФ РАН) | Method of measuring in situ the spectrum of extinction of a transparent sample in a photochemical process |
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| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
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| CX01 | Expiry of patent term |