CN107064070B - A kind of device and method for measuring the transmittance and reflectivity of hollow glass - Google Patents
A kind of device and method for measuring the transmittance and reflectivity of hollow glass Download PDFInfo
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- CN107064070B CN107064070B CN201710300935.5A CN201710300935A CN107064070B CN 107064070 B CN107064070 B CN 107064070B CN 201710300935 A CN201710300935 A CN 201710300935A CN 107064070 B CN107064070 B CN 107064070B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N2021/558—Measuring reflectivity and transmission
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Abstract
The invention discloses a kind of device and methods for measuring the transmittance and reflectivity of hollow glass；Described device includes：Emitter and reception device；Emitter includes light source, diaphragm and collimation lens successively；Reception device includes slit regulating device, integrating sphere, spectrum device, photodetector, Signal acquiring and processing unit successively；The integrating sphere is used to collect into its internal all light beam, the slit regulating device is used to adjust the light-inletting quantity of the integrating sphere, the spectrum device is for separating the light beam that the integrating sphere is collected according to certain wavelength rule, the photodetector is used to the optical signal of light beam being converted to electric signal, the Electric signal processing is obtained corresponding parameter by the Signal acquiring and processing unit for acquiring the electric signal.The present invention can carry out non-destructive testing hollow glass；It is capable of detecting when hollow glass overall structure and the transmittance and reflectivity of each sheet glass.
Description
Technical field
The present invention relates to building energy conservation Glass optical detection field more particularly to a kind of transmissions for measuring hollow glass
Than the device and method with reflectivity.
Background technology
Between the glass and glass of hollow glass, there are certain cavitys；Therefore, there is good heat preservation, heat-insulated, sound insulation
Etc. performances；It is mainly used for needing heating, air-conditioning, prevents on noise or the building of moisture condensation, is widely used in house, restaurant, guest
Shop, office building, school, hospital, shop etc. need the occasion of room conditioning.It can also be used for train, automobile, steamer, reach in freezer
Door and window etc..
The prior art in the measurements the transmittance and reflectivity of empty glass when, can not be under conditions of not disassembling, direct nothing
The transmittance and reflectivity of each sheet glass and entirety in damage detection finished product hollow glass；Specifically, the behaviour of existing test in laboratory
It is that hollow glass is artificially disassembled, each sheet glass is then cut into the size that instrument can be tested as mode, detects each
The transmittance and reflectivity of monolithic glass, then transmittance and reflectivity by theoretical formula method integral hollow glass.It is this
The shortcomings that detection is：(1) hollow glass structure is destroyed, needs artificially to disassemble glass；(2) glass is cut, with suitable
Answer the requirement of detecting instrument size.Due to tempered glass can not cutting, laboratory can not detect the transmission of large stretch of tempered glass
Than and reflectivity；(3) installed hollow glass can only can not be detected in test in laboratory.Lead to disadvantage described above
The reason of be that (1) traditional detection instrument is limited by reflected light path, certain thickness monolithic glass can only be detected, cannot directly be surveyed
Measure the reflectivity of hollow glass entirety；(2) traditional detection instrument is limited by sample bin, can only measure certain length and width dimensions range
Interior monolithic glass；(3) traditional detection instrument is generally desk-top instrument, is limited by volume and weight, can not adapt to pacify
Fill the detection of hollow glass.
Invention content
In order to solve the above-mentioned technical problem, the present invention proposes a kind of transmittance and reflectivity for measuring hollow glass
Device and method；
In a first aspect, the present invention provides a kind of devices for measuring the transmittance and reflectivity of hollow glass, including：
Emitter and reception device；The hollow glass includes the first glass, hollow structure and the second glass；
The emitter includes light source, diaphragm and collimation lens successively；The light source is used to provide light for described device
Beam, the diaphragm are used to adjust the light-inletting quantity of the light beam, and the collimation lens is used to carry out the light beam after adjusting accurate
It is straight to focus；
The reception device includes slit regulating device, integrating sphere, spectrum device, photodetector, signal successively
Acquisition and processing unit；The integrating sphere is used to collect into its internal all light beam, and the slit regulating device is for adjusting
The light-inletting quantity of the integrating sphere is saved, the light beam that the spectrum device is used to collect the integrating sphere is advised according to certain wavelength
Rule separates, and the photodetector is used to the optical signal of light beam being converted to electric signal, and the Signal acquiring and processing unit is used
In the acquisition electric signal, and the Electric signal processing is obtained into corresponding parameter.
Further, the emitter described in transmitted light path and reception device form transmittance probes, in reflected light path
The emitter and reception device form reflection probe；
The reflection probe and transmittance probes can be combined formula distribution or separate type distribution.
Further, the place setting spacer ring that the reflection probe is contacted with target glass, the spacer ring are described for making
Reflection probe leaves the target glass, and the integrating sphere is made only to receive the reflected light that the target glass reflects；The mesh
Mark any sheet glass that glass is the hollow glass.
Second aspect, the present invention provides a kind of transmittances and reflection ratio measuring carrying out hollow glass using above-mentioned apparatus
Method, the method includes：
The light beam of transmitted light path is sent out from emitter, and transmitted wave, the transmitted wave quilt are obtained across the hollow glass
Reception device receives and obtains the whole transmittance τ of the hollow glass after handling；
The outside overall reflective ratio ρ of the hollow glass, the inside overall reflective of hollow glass are obtained according to reflected light path
Than ρ ', the reflectivity ρ of the first glass outer side1With the reflectivity ρ of the second glass inner side2′；
For hollow glass overall structure, side where the first glass is outside, and side where the second glass is inside；Institute
State the reflectivity ρ of the first glass outer side1For, for the first glass, back to the hollow structure all planes it is total
Reflectivity；The reflectivity ρ of the inside of second glass2' be, for the second glass, back to the institute of the hollow structure
There is total reflectivity of plane；
According to inside overall reflective the ratio ρ ', Yi Ji of the outside overall reflective ratio ρ of the hollow glass and hollow glass
The reflectivity ρ of one glass outer side1With the reflectivity ρ of the second glass inner side2' and hollow glass entirety transmittance τ, obtain institute
State the first glass inner side reflectivity ρ1′；The reflectivity ρ of second glass outer side2With the reflectivity ρ of the second glass inner side2' phase
Together；
The reflectivity ρ of first glass inner side1' be, for the first glass, in face of all of the hollow structure
Total reflectivity of plane；The reflectivity ρ of second glass outer side2For the second glass, to face the hollow knot
Total reflectivity of all planes of structure；
According to the overall reflective ratio ρ on the outside of the hollow glass, the overall reflective ratio ρ ' on the inside of hollow glass, the first glass
The reflectivity ρ in outside1, the first glass inner side reflectivity ρ1', the reflectivity ρ of the second glass outer side2With the second glass inner side
Reflectivity ρ2', obtain the transmittance τ of first glass1With the transmittance τ of second glass2。
Further, according to the inside overall reflective ratio of the outside overall reflective ratio ρ of the hollow glass and hollow glass
ρ ', the reflectivity ρ of the first glass outer side1With the reflectivity ρ of the second glass inner side2' and hollow glass entirety transmittance τ,
Obtain the first glass inner side reflectivity ρ1' be based on
Further, according to the overall reflective ratio ρ on the outside of the hollow glass, the overall reflective ratio on the inside of hollow glass
The reflectivity ρ of ρ ', the first glass outer side1, the first glass inner side reflectivity ρ1', the reflectivity ρ of the second glass outer side2With second
The reflectivity ρ of glass inner side2' obtain the transmittance τ of first glass1It is based on
Further, according to the overall reflective ratio ρ on the outside of the hollow glass, the overall reflective ratio on the inside of hollow glass
The reflectivity ρ of ρ ', the first glass outer side1, the first glass inner side reflectivity ρ1', the reflectivity ρ of the second glass outer side2With second
The reflectivity ρ of glass inner side2' obtain the transmittance τ of second glass2According to formula
Further, the acquisition process of the outside overall reflective ratio ρ of the hollow glass is：
Emitter is projected light beams upon on the outside of the hollow glass on the hollow glass, through first glass
The first lateral surface, the second lateral surface of the first glass, the second lateral surface of the second glass and the second glass the first lateral surface
Reflection after obtain corresponding reflected light, all reflected light backs enter the integrating sphere of the reception device, through institute
The separation of the spectrum device of reception device is stated, at the signal conversion of photodetector and Signal acquiring and processing unit
After reason, the outside overall reflective ratio ρ of the hollow glass is obtained.
Further, the acquisition process of the inside overall reflective ratio ρ ' of the hollow glass is：
Emitter is projected light beams upon on the inside of the hollow glass on the hollow glass, through second glass
The first medial surface, the second medial surface of the second glass, the second medial surface of the first glass and the first glass the first medial surface
Reflection after obtain corresponding reflected light, all reflected light backs enter the integrating sphere of the reception device, through institute
The separation of the spectrum device of reception device is stated, at the signal conversion of photodetector and Signal acquiring and processing unit
After reason, the inside overall reflective ratio ρ ' of the hollow glass is obtained.
Further, the outside reflectivity ρ of first glass1Acquisition process be：
Spacer ring is provided between the reflection probe and the first glass of the hollow glass, the emitter projects
Light beam by the spacer ring after, hollow glass described in directive,
Second lateral surface of the first lateral surface, the first glass through first glass, the second lateral surface of the second glass
Corresponding reflected light is obtained after reflection with the first lateral surface of the second glass；First lateral surface of first glass and
The corresponding reflected light projects of the second lateral surface of first glass are to the integrating sphere of reception device, the spectrum through the reception device point
The separation of electro-optical device obtains first glass after the signal conversion of photodetector and Signal acquiring and processing cell processing
The outside reflectivity ρ of glass1。
Further, the outside reflectivity ρ of first glass1Acquisition process be：
The light-inletting quantity of the integrating sphere in the reception device is adjusted, the emitter will from the outside of first glass
Hollow glass described in light beam directive；
Second lateral surface of the first lateral surface, the first glass through first glass, the second lateral surface of the second glass
Obtain corresponding reflected light after reflection with the first lateral surface of the second glass, the first lateral surface of first glass and
The corresponding reflected light projects of the second lateral surface of first glass to reception device, the spectrum device through the reception device
Separation obtains the outside of first glass after the signal conversion of photodetector and Signal acquiring and processing cell processing
Reflectivity ρ1。
Further, the inner reflection ratio ρ of second glass2' acquisition process be：
Spacer ring is provided between the reflection probe and the second glass of the hollow glass, the emitter projects
Light beam by the spacer ring after, hollow glass described in directive,
Second medial surface of the first medial surface, the second glass through second glass, the second medial surface of the first glass
Corresponding reflected light is obtained after reflection with the first medial surface of the first glass；First medial surface of second glass and
The corresponding reflected light projects of the second medial surface of second glass to reception device, the spectrum device through the reception device
Separation obtains the inside of second glass after the signal conversion of photodetector and Signal acquiring and processing cell processing
Reflectivity ρ2′。
Further, the inner reflection ratio ρ of second glass2' acquisition process be：
The light-inletting quantity of the integrating sphere in the reception device is adjusted, the emitter will from the inside of second glass
Hollow glass described in light beam directive；
Second medial surface of the first medial surface, the second glass through second glass, the second medial surface of the first glass
Obtain corresponding reflected light after reflection with the first medial surface of the first glass, the first medial surface of second glass and
The corresponding reflected light projects of the second medial surface of second glass to reception device, the spectrum device through the reception device
Separation obtains the inside of second glass after the signal conversion of photodetector and Signal acquiring and processing cell processing
Reflectivity ρ2′。
The present invention has following advantageous effect：
1. the present invention can carry out non-destructive testing the reflectivity and transmittance of hollow glass；It is hollow not destroying and disassembling
In the case of glass structure, it is capable of detecting when hollow glass overall structure and the transmittance and reflectivity of each sheet glass；Therefore not
Finished product is destroyed, material is not wasted.Further, it is convenient for testing agency, glass using unit and supervision and management unit to finished product glass
Glass carries out quality control and supervision and management, application prospect are good；
2. the present invention can make tested sample hollow glass not size-limited, and then expand the detection model of sample
It encloses, improves the applicability of detection device；
3. the device of the transmittance provided by the invention for measuring hollow glass, reflectivity is portable instrument, not examined
The limitation in place can not only detect in glass works, can also be detected to the glass being installed in building, can be real
It is wide to apply scene.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is transmittance, the method flow schematic diagram of reflectivity that hollow glass is measured in embodiment one；
Fig. 2 is the schematic diagram of the hollow glass and its corresponding optical parameter described in embodiment one；
Fig. 3 is the whole transmittance test device schematic diagram of the hollow glass provided in embodiment；
Fig. 4 is the outside overall reflective of the hollow glass provided in embodiment than test device schematic diagram；
Fig. 5 is the inside overall reflective of the hollow glass provided in embodiment than test device schematic diagram；
Fig. 6 is the reflectivity test device schematic diagram of the first glass outer side of the hollow glass provided in embodiment；
Fig. 7 is the reflectivity test device schematic diagram of the second glass inner side of the hollow glass provided in embodiment；
Fig. 8 is the reflectivity test device schematic diagram of the first glass outer side of the hollow glass provided in embodiment；
Fig. 9 is the reflectivity test device schematic diagram of the second glass inner side of the hollow glass provided in embodiment.
In figure：1- light sources, 2- diaphragms, 3- collimation lenses, 4- slit regulating devices, 5- integrating spheres, 6- spectrum devices,
7- photodetectors, 8- Signal sampling and processing units, the first glass of 9-, the second glass of 10-, 11- spacer rings, the first glass of 12-
The first lateral surface, the second lateral surface of the first glass of 13-, the second lateral surface of the second glass of 14-, the of the second glass of 15-
One lateral surface, the first medial surface of the second glass of 16-, the second medial surface of the second glass of 17-, the first glass of 18- second in
Side, the first medial surface of the first glass of 19-.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive
Include to be not necessarily limited to clearly arrange for example, containing the process of series of steps or unit, method, system, product or equipment
Those of go out step or unit, but may include not listing clearly or solid for these processes, method, product or equipment
The other steps or unit having.
Embodiment one：
A kind of device for measuring the transmittance and reflectivity of hollow glass is present embodiments provided, as shown in figs. 3-9,
Including：Emitter and reception device；The hollow glass includes the first glass 9, hollow structure and the second glass 10；
The emitter includes light source 1, diaphragm 2 and collimation lens 3 successively；The light source 1 for described device for carrying
For light beam, the diaphragm 2 is used to adjust the light-inletting quantity of the light beam, and the collimation lens 3 is used for the light beam after adjusting
Carry out collimation focusing；
The reception device successively include slit regulating device 4, integrating sphere 5, spectrum device 6, photodetector 7,
Signal acquiring and processing unit 8；The slit regulating device 4 is used to adjust the light-inletting quantity of the integrating sphere 5；The integrating sphere 5
For hollow complete spherical shell, inner wall coating white diffusing reflection layer, and ball inner wall each point diffuse uniformly, for collecting into its inside
All light beams；The spectrum device 6 is used to separate the light beam that the integrating sphere 5 is collected according to certain wavelength rule, than
Such as it is divided into visible light, ultraviolet light；The photodetector 7 is used to the optical signal of light beam being converted to electric signal, the signal
Acquisition is used to acquire the electric signal with processing unit 8, and the Electric signal processing is obtained corresponding parameter.It is described corresponding
Parameter include the whole transmittance of the hollow glass, the outside overall reflective of the hollow glass than, hollow glass inside
Overall reflective is than, the reflectivity of the reflectivity of the first glass outer side and the second glass inner side.
Wherein, the emitter described in transmitted light path and reception device form transmittance probes, described in reflected light path
Emitter and reception device form reflection probe；Wherein, the reflection probe and transmittance probes can be combined formula point
Cloth or separate type distribution, in Fig. 3, the emitter and reception device of the transmittance probes are distributed for separate type, the transmitting
Device is located at the both sides of the hollow glass with the reception device；And in Fig. 4 to Fig. 9, the transmitting of the reflection probe fills
It is combined type distribution to set with reception device, and the emitter is located at the homonymy of the hollow glass with the reception device.
It being preferably carried out mode, the place setting spacer ring 11 that the reflection probe is contacted with target glass, institute as one kind
Spacer ring 11 is stated for making the reflection probe leave the target glass；The spacer ring 11 is additionally operable to that the integrating sphere 5 is made only to connect
Receive the reflected light of the target glass reflection；It should be noted that the target glass is any glass of the hollow glass
Glass；As shown in fig. 6, the target glass is the first glass, then by the way that spacer ring 11 is arranged so that 5 reception institutes of the integrating sphere
State the first lateral surface 12 of the first glass and the 13 corresponding reflected light of the second lateral surface of the first glass；Likewise, such as Fig. 7 institutes
Show, the target glass is the second glass, then by being arranged spacer ring 11, the integrating sphere 5 receives the of second glass
The 17 corresponding reflected light of the second medial surface of one medial surface 16 and the second glass.
It being preferably carried out mode as one kind, the integrating sphere 5 adjusts its light-inletting quantity by slit regulating device 4, makes institute
The reflected light that integrating sphere 5 receives the target glass reflection is stated, integrating sphere 5 as described in Figure 8 receives first glass
The 13 corresponding reflected light of the second lateral surface of first lateral surface 12 and the first glass, integrating sphere as described in Figure 95 receive described the
First medial surface 16 of two glass and the 17 corresponding reflected light of the second medial surface of the second glass.
It should be noted that the present invention the case where not tearing the hollow structure of hollow glass open in, it will be able to direct measuring chamber
The overall reflective ratio and transmittance in interior and outdoor face；The transmittance and reflectivity of certain thickness glass can be measured, and is directed to
Different applications need, and can measure thicker glass, for example be also applied for the thicker hollow glass of three glass, two chamber equal thickness.
Embodiment two：
As shown in Figure 1, present embodiments providing a kind of transmittance carrying out hollow glass using one described device of embodiment
With the method for reflection ratio measuring, including：
S101. measure and be calculated the whole transmittance τ of the hollow glass；
Wherein, the emitter includes light source 1, diaphragm 2 and collimation lens 3；The reception device includes that slit is adjusted
Device 4, integrating sphere 5, spectrum device 6, photodetector 7 and Signal sampling and processing unit.
Specifically, as shown in figure 3, the light path in Fig. 3 is transmitted light path, the light beam of transmitted light path is sent out from emitter,
Transmitted light is obtained across the hollow glass, the transmitted light is received device and receives and obtain the hollow glass after handling
Whole transmittance τ；The hollow glass includes the first glass, hollow structure and the second glass；
S102. measure and be calculated the outside overall reflective ratio ρ of the hollow glass, the inside integral inverted of hollow glass
Penetrate the reflectivity ρ than ρ ', the first glass outer side1With the reflectivity ρ of the second glass inner side2′；
Wherein, for hollow glass overall structure, 9 place side of the first glass is outside, 10 place side of the second glass
For inside；Specifically, in terms of the hollow structure, plane identical with 9 direction of the first glass is lateral surface, with
The identical plane of second glass, 10 direction is medial surface；The reflectivity ρ of first glass outer side1For, for
For first glass, back to total reflectivity of all planes of the hollow structure；The reflection of the inside of second glass
Compare ρ2' be, for the second glass, back to total reflectivity of all planes of the hollow structure.
Specifically, as shown in figs. 4-7, light path therein is reflected light path, and the light beam in reflected light path is by the hollow glass
Glass reflects, and the signal in received device is received with after processing unit processes later, and the outside for obtaining the hollow glass is whole
The reflectivity ρ of body reflectivity ρ, the inside overall reflective ratio ρ ' of hollow glass, the first glass outer side1It is anti-with the second glass inner side
It penetrates and compares ρ2′；
In detail, as shown in figure 4, the acquisition process of the outside overall reflective ratio ρ of the hollow glass is：
Emitter is projected light beams upon on the outside of the hollow glass on the hollow glass, through first glass
The first lateral surface 12, the second lateral surface 13 of the first glass, the second lateral surface 14 of the second glass and the second glass first
Corresponding reflected light is obtained after the reflection of lateral surface 15, all reflected light backs enter the integral of the reception device
After ball 5, the separation of the spectrum device 6 through the reception device and Signal acquiring and processing unit 8 are handled, institute is obtained
State the outside overall reflective ratio ρ of hollow glass.
Wherein, it should be noted that in the first with first glass of the first lateral surface 12 of first glass
Side 19 is corresponding, and the second lateral surface 13 of first glass is corresponding with the second medial surface 18 of first glass, institute
The second lateral surface 14 for stating the second glass is corresponding with the second medial surface 17 of second glass, and the first of second glass
Lateral surface 15 is corresponding with the first medial surface 16 of second glass.
Emitter is projected light beams upon on the inside of the hollow glass on the hollow glass, through second glass
The first medial surface 16, the second medial surface 17 of the second glass, the second medial surface 18 of the first glass and the first glass first
Corresponding reflected light is obtained after the reflection of medial surface 19, all reflected light backs enter the integral of the reception device
After ball 5, the separation of the spectrum device 6 through the reception device and Signal acquiring and processing unit 8 are handled, institute is obtained
State the inside overall reflective ratio ρ ' of hollow glass.
Specifically, as shown in fig. 6, the outside reflectivity ρ of first glass1Acquisition process be：
Spacer ring 11, the emitter projection are provided between the reflection probe and the first glass of the hollow glass
After the light beam gone out is by the spacer ring 11, hollow glass described in directive,
Outside the second lateral surface 13 of the first lateral surface 12, the first glass, the second of the second glass through first glass
Corresponding reflected light is obtained after the reflection of first lateral surface 15 of side 14 and the second glass；The first of first glass
The 13 corresponding reflected light projects of the second lateral surface of lateral surface 12 and the first glass connect to the integrating sphere 5 of reception device through described
The separation of the spectrum device 6 of receiving apparatus, the signal conversion of photodetector 7 and Signal acquiring and processing unit 8 are handled
Afterwards, the outside reflectivity ρ of first glass is obtained1。
Specifically, as shown in fig. 7, the inner reflection ratio ρ of second glass2' acquisition process be：
Spacer ring 11, the emitter projection are provided between the reflection probe and the second glass of the hollow glass
After the light beam gone out is by the spacer ring 11, hollow glass described in directive,
In the second medial surface 17 of the first medial surface 16, the second glass, the second of the first glass through second glass
Corresponding reflected light is obtained after the reflection of first medial surface 19 of side 18 and the first glass；The first of second glass
The 17 corresponding reflected light projects of the second medial surface of medial surface 16 and the second glass are to reception device, the light through the reception device
It composes the separation of light-dividing device 6 and obtains institute after the signal conversion of photodetector 7 and Signal acquiring and processing unit 8 are handled
State the inner reflection ratio ρ of the second glass2′。
S103. according to the inside overall reflective ratio ρ ' of the outside overall reflective ratio ρ of the hollow glass and hollow glass,
The reflectivity ρ of one glass outer side1With the reflectivity ρ of the second glass inner side2' and hollow glass entirety transmittance τ, obtain institute
State the first glass inner side reflectivity ρ1′；The reflectivity ρ of second glass outer side2With the reflectivity ρ of the second glass inner side2' phase
Together；
Wherein, the reflectivity ρ of first glass inner side1' it is for the first glass, to face the hollow structure
All planes total reflectivity；The reflectivity ρ of second glass outer side2For for the second glass, in face of described
Total reflectivity of all planes of hollow structure.
Specifically, the first glass inner side reflectivity ρ1' acquisition be based on
S104. according to the overall reflective ratio ρ on the outside of the hollow glass, the overall reflective ratio ρ ' on the inside of hollow glass,
The reflectivity ρ of one glass outer side1, the first glass inner side reflectivity ρ1', the reflectivity ρ of the second glass outer side2With the second glass
The reflectivity ρ of inside2', obtain the transmittance τ of first glass1With the transmittance τ of second glass2。
Specifically, the transmittance τ of first glass1Acquisition is based onDescribed
The transmittance τ of two glass2Acquisition is based on
It should be noted that the second lateral surface 13, the second glass of the first lateral surface 12 of first glass, the first glass
Second lateral surface 14 of glass and lateral surface in the first lateral surface 15 of the second glass and medial surface are come relative to hollow structure
It says；In first glass, back to the lateral surface that the place face of the hollow structure is the first glass, in face of the hollow structure
Place face is the medial surface of the first glass, as shown in Figure 4；And the first medial surface 16 of second glass, the second glass
First medial surface 19 of the second medial surface 17, the second medial surface 18 of the first glass and the first glass is come relative to hollow structure
It says；It is the lateral surface of the first glass in face of the place face of the hollow structure, back to the hollow structure in second glass
Place face is the medial surface of the first glass, as shown in Figure 4.
For example, as shown in Fig. 2,
τ is the whole transmittance of the hollow glass；
ρ is the overall reflective ratio on the outside of the hollow glass；
ρ ' is the overall reflective ratio on the inside of the hollow glass；
τ1For the whole transmittance of first glass,
τ2For the whole transmittance of second glass,
ρ1For the outside reflectivity of first glass；
ρ1' be first glass inner reflection ratio；
ρ2For the outside reflectivity of second glass；
ρ2' be second glass inner reflection ratio；Then corresponding to the above method has：
The whole transmittance τ of the hollow glass is directly measured according to transmitted light path；
The entirety on the inside of overall reflective ratio ρ and the hollow glass on the outside of the hollow glass is directly measured according to reflected light path
The reflectivity ρ in the outside of reflectivity ρ ' and the first glass1With the reflectivity ρ of the second glass inner side2′；Set second glass
, i.e. ρ identical with inner reflection ratio on the outside of glass2=ρ2', that is, it is sheet glass to have a sheet glass in the hollow glass；
According to formulaObtain the inner reflection ratio ρ of first glass1；
According to formulaWithRespectively obtain first glass
The transmittance τ of glass1With the transmittance τ of second glass2。
Wherein, the derivation of above-mentioned formula is：
It can by the calculation formula provided in existing calculating standard national standard GB/T 2680 and international standard ISO 9050
Know, for double glazing component
It is obtained by formula (1)
Formula (4) substitutes into formula (2) and obtains
It is obtained by formula (3)
Formula (5) substitutes into formula (6) and obtains
Formula (1) substitutes into formula (7) and finally obtains
Due to ρ, ρ ', ρ1, ρ2, ρ '2, τ is it is known that the formula of substitution (8) can acquire ρ '1
The ρ ' that formula (8) is finally calculated1Substitution formula (2) and formula (3), respectively obtain τ1, τ2：
Wherein, in the present embodiment, τ, ρ, ρ ', ρ can be measured to obtain1, ρ '2, τ may further be acquired1, ρ '1, τ2, thus
The whole transmittance and transmitting ratio of the hollow glass can finally be obtained, additionally it is possible to obtain each glass in hollow glass
Transmittance and reflectivity, furthermore, it is desirable to explanation, it is two glass, one chamber that the present embodiment, which is not limited to the hollow glass, also suitable
The hollow glass thicker for three glass, two chamber equal thickness.
Embodiment three：
Present embodiments provide another transmittance and reflectivity that hollow glass is carried out using one described device of embodiment
The method of measurement, unlike the method that the method is provided from embodiment two, the outside reflectivity of first glass and institute
State the inner reflection of the second glass than acquisition modes it is different.
Specifically, as shown in figure 8, the outside reflectivity ρ of first glass1Acquisition process be：
The light-inletting quantity of the integrating sphere in the reception device is adjusted, the emitter will from the outside of first glass
Hollow glass described in light beam directive；
Outside the second lateral surface 13 of the first lateral surface 12, the first glass, the second of the second glass through first glass
Obtain corresponding reflected light after the reflection of first lateral surface 15 of side 14 and the second glass, the first of first glass
The 13 corresponding reflected light projects of the second lateral surface of lateral surface 12 and the first glass are to reception device, the light through the reception device
It composes the separation of light-dividing device and obtains described the after the signal conversion of photodetector and Signal acquiring and processing cell processing
The outside reflectivity ρ of one glass1。
Accordingly, as shown in figure 9, the inner reflection ratio ρ of second glass2' acquisition process be：
The light-inletting quantity of the integrating sphere in the reception device is adjusted, the emitter will from the inside of second glass
Hollow glass described in light beam directive；
In the second medial surface 17 of the first medial surface 16, the second glass, the second of the first glass through second glass
Obtain corresponding reflected light after the reflection of first medial surface 19 of side 18 and the first glass, the first of second glass
The 17 corresponding reflected light projects of the second medial surface of medial surface 16 and the second glass are to reception device, the light through the reception device
It composes the separation of light-dividing device and obtains described the after the signal conversion of photodetector and Signal acquiring and processing cell processing
The inner reflection ratio ρ of two glass2′。
What the present invention can be brought has the beneficial effect that：
1. the present invention can carry out non-destructive testing the reflectivity and transmittance of hollow glass；It is hollow not destroying and disassembling
In the case of glass structure, it is capable of detecting when each sheet glass of hollow glass and whole transmittance and reflectivity；Therefore it does not break
Bad finished product does not waste material.Further, it is convenient for testing agency, glass using unit and supervision and management unit to finished glass
It carries out quality control and supervision and management, application prospect is good；
2. the present invention can make tested sample hollow glass not size-limited, and then expand the detection model of sample
It encloses, improves the applicability of detection device；
3. the device of the transmittance provided by the invention for measuring hollow glass, reflectivity is portable instrument, not examined
The limitation in place can not only detect in glass works, can also be detected to the glass being installed in building, can be real
It is wide to apply scene.
In short, the present invention is the examination of construction site, quality surveillance detection provides effective means, it is door and window and curtain
Wall processing enterprise provides effective hollow glass incoming test and glass quality control method；This will promote pushing away for energy-saving glass
Wide application, Improving The Quality of Products guide industry healthy and rapid development, are of great significance to specification industry behavior.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of device for measuring the transmittance and reflectivity of hollow glass, which is characterized in that including：It emitter and connects
Receiving apparatus；The hollow glass includes the first glass, hollow structure and the second glass；
The emitter includes light source, diaphragm and collimation lens successively；The light source is used to provide light beam for described device, institute
Light-inletting quantity of the diaphragm for adjusting the light beam is stated, the collimation lens is used to carry out collimation to the light beam after adjusting poly-
It is burnt；
The reception device includes slit regulating device, integrating sphere, spectrum device, photodetector, signal acquisition successively
With processing unit；The integrating sphere is used to collect into its internal all light beam, and the slit regulating device is for adjusting institute
The light-inletting quantity of integrating sphere is stated, the light beam that the spectrum device is used to collect the integrating sphere is according to certain wavelength rule point
It opens, the photodetector is used to the optical signal of light beam being converted to electric signal, and the Signal acquiring and processing unit is for adopting
Collect the electric signal, and the Electric signal processing is obtained into corresponding parameter；
The emitter described in transmitted light path and reception device form transmittance probes, the emitter described in reflected light path and
Reception device forms reflection probe；
The reflection probe and transmittance probes can be combined formula distribution or separate type distribution；
The place setting spacer ring that the reflection probe is contacted with target glass, the spacer ring is for making the reflection probe leave institute
Target glass is stated, and the integrating sphere is made only to receive the reflected light that the target glass reflects；During the target glass is described
Any sheet glass of empty glass.
2. a kind of method for the transmittance and reflection ratio measuring carrying out hollow glass using claim 1 described device, feature
It is, the method includes：
The whole transmittance τ of the hollow glass is measured and is calculated according to transmitted light path；
It is whole that the outside overall reflective ratio ρ of the hollow glass, the inside of hollow glass are measured and be calculated according to reflected light path
The reflectivity ρ of body reflectivity ρ ', the first glass outer side1With the reflectivity ρ of the second glass inner side2′；
For hollow glass overall structure, side where the first glass is outside, and side where the second glass is inside；Described
The reflectivity ρ of one glass outer side1For for the first glass, back to total reflection of all planes of the hollow structure
Than；The reflectivity ρ of the inside of second glass2' be, for the second glass, back to all flat of the hollow structure
Total reflectivity in face；
According to the inside overall reflective ratio ρ ' and the first glass of the outside overall reflective ratio ρ of the hollow glass and hollow glass
Reflectivity ρ on the outside of glass1With the reflectivity ρ of the second glass inner side2' and hollow glass entirety transmittance τ, obtain described
The reflectivity ρ of one glass inner side1′；The reflectivity ρ of second glass outer side2With the reflectivity ρ of the second glass inner side2' identical；
The reflectivity ρ of first glass inner side1' it is for the first glass, to face the total of all planes of the hollow structure
Reflectivity；The reflectivity ρ of second glass outer side2For for the second glass, in face of all of the hollow structure
Total reflectivity of plane；
The outside reflectivity ρ of first glass1Acquisition process be：
Spacer ring, the light that the emitter projects are provided between the reflection probe and the first glass of the hollow glass
After beam is by the spacer ring, hollow glass described in directive, second of the first lateral surface, the first glass through first glass
Corresponding reflection is obtained after the reflection of first lateral surface of lateral surface, the second lateral surface of the second glass and the second glass
Light；The corresponding reflected light projects of the second lateral surface of the first lateral surface and the first glass of first glass are to reception device
Integrating sphere, the separation of the spectrum device through the reception device, photodetector signal conversion and signal acquisition with
After processing unit processes, the outside reflectivity ρ of first glass is obtained1；
According to the overall reflective ratio ρ on the outside of the hollow glass, the overall reflective ratio ρ ' on the inside of hollow glass, the first glass outer side
Reflectivity ρ1, the first glass inner side reflectivity ρ1', the reflectivity ρ of the second glass outer side2With the reflection of the second glass inner side
Compare ρ2', obtain the transmittance τ of first glass1With the transmittance τ of second glass2；
The inner reflection ratio ρ of second glass2' acquisition process be：
Spacer ring, the light that the emitter projects are provided between the reflection probe and the second glass of the hollow glass
After beam is by the spacer ring, hollow glass described in directive, second of the first medial surface, the second glass through second glass
Corresponding reflection is obtained after the reflection of first medial surface of medial surface, the second medial surface of the first glass and the first glass
Light；The reflected light projects of first medial surface of second glass and the second medial surface of the second glass are to reception device, through institute
The separation of the spectrum device of reception device is stated, at the signal conversion of photodetector and Signal acquiring and processing unit
After reason, the inner reflection ratio ρ of second glass is obtained2′。
3. according to the method described in claim 2, it is characterized in that, according to the transmittance τ of hollow glass entirety, hollow glass
The outside overall reflective ratio ρ of glass and the inside overall reflective ratio ρ ' of hollow glass, the reflectivity ρ of the first glass outer side1With second
The reflectivity ρ of glass inner side2' obtain the first glass inner side reflectivity ρ1' be based on
4. according to the method described in claim 2, it is characterized in that, according on the outside of the hollow glass overall reflective ratio ρ, in
The reflectivity ρ of empty glass inner side overall reflective ratio ρ ', the first glass outer side1, the first glass inner side reflectivity ρ1', the second glass
The reflectivity ρ in outside2With the reflectivity ρ of the second glass inner side2' obtain the transmittance τ of first glass1It is based on
5. according to the method described in claim 2, it is characterized in that, according on the outside of the hollow glass overall reflective ratio ρ, in
The overall reflective ratio ρ ' of empty glass inner side, the reflectivity ρ of the first glass outer side1, the first glass inner side reflectivity ρ1', the second glass
Reflectivity ρ on the outside of glass2With the reflectivity ρ of the second glass inner side2' obtain the transmittance τ of second glass2According to formula
6. according to the method described in claim 2, it is characterized in that, the acquisition of the outside overall reflective ratio ρ of the hollow glass
Process is：
Emitter is projected light beams upon on the outside of the hollow glass on the hollow glass, and through first glass
One lateral surface, the second lateral surface of the first glass, the second lateral surface of the second glass and the second glass the first lateral surface it is anti-
Corresponding reflected light is obtained after penetrating, all reflected light backs enter the integrating sphere of the reception device, connect through described
After the separation of the spectrum device of receiving apparatus and Signal acquiring and processing cell processing, the outer of the hollow glass is obtained
Side overall reflective ratio ρ.
7. according to the method described in claim 2, it is characterized in that, the acquisition of the inside overall reflective ratio ρ ' of the hollow glass
Process is：
Emitter is projected light beams upon on the inside of the hollow glass on the hollow glass, and through second glass
One medial surface, the second medial surface of the second glass, the second medial surface of the first glass and the first glass the first medial surface it is anti-
Corresponding reflected light is obtained after penetrating, all reflected light backs enter the integrating sphere of the reception device, connect through described
After the separation of the spectrum device of receiving apparatus and Signal acquiring and processing cell processing, the interior of the hollow glass is obtained
Side overall reflective ratio ρ '.
8. a kind of method for the transmittance and reflection ratio measuring carrying out hollow glass using claim 1 described device, feature
It is, the method includes：
The whole transmittance τ of the hollow glass is measured and is calculated according to transmitted light path；
It is whole that the outside overall reflective ratio ρ of the hollow glass, the inside of hollow glass are measured and be calculated according to reflected light path
The reflectivity ρ of body reflectivity ρ ', the first glass outer side1With the reflectivity ρ of the second glass inner side2′；
For hollow glass overall structure, side where the first glass is outside, and side where the second glass is inside；Described
The reflectivity ρ of one glass outer side1For for the first glass, back to total reflection of all planes of the hollow structure
Than；The reflectivity ρ of the inside of second glass2' be, for the second glass, back to all flat of the hollow structure
Total reflectivity in face；
According to the inside overall reflective ratio ρ ' and the first glass of the outside overall reflective ratio ρ of the hollow glass and hollow glass
Reflectivity ρ on the outside of glass1With the reflectivity ρ of the second glass inner side2' and hollow glass entirety transmittance τ, obtain described
The reflectivity ρ of one glass inner side1′；The reflectivity ρ of second glass outer side2With the reflectivity ρ of the second glass inner side2' identical；
The reflectivity ρ of first glass inner side1' it is for the first glass, to face the total of all planes of the hollow structure
Reflectivity；The reflectivity ρ of second glass outer side2For for the second glass, in face of all of the hollow structure
Total reflectivity of plane；
The outside reflectivity ρ of first glass1Acquisition process be：
Adjust the light-inletting quantity of the integrating sphere in the reception device, the emitter is from the outside of first glass by light beam
Hollow glass described in directive；
The second lateral surface of the first lateral surface, the first glass, the second lateral surface of the second glass through first glass and
Corresponding reflected light, the first lateral surface and first of first glass are obtained after the reflection of first lateral surface of two glass
The corresponding reflected light projects of the second lateral surface of glass are to reception device, point of the spectrum device through the reception device
From after the signal conversion of photodetector and Signal acquiring and processing cell processing, the outside for obtaining first glass is anti-
It penetrates and compares ρ1
According to the overall reflective ratio ρ on the outside of the hollow glass, the overall reflective ratio ρ ' on the inside of hollow glass, the first glass outer side
Reflectivity ρ1, the first glass inner side reflectivity ρ1', the reflectivity ρ of the second glass outer side2With the reflection of the second glass inner side
Compare ρ2', obtain the transmittance τ of first glass1With the transmittance τ of second glass2；
The inner reflection ratio ρ of second glass2' acquisition process be：
Adjust the light-inletting quantity of the integrating sphere in the reception device, the emitter is from the inside of second glass by light beam
Hollow glass described in directive；
The second medial surface of the first medial surface, the second glass, the second medial surface of the first glass through second glass and
Corresponding reflected light, the first medial surface and second of second glass are obtained after the reflection of first medial surface of one glass
The corresponding reflected light projects of the second medial surface of glass are to reception device, point of the spectrum device through the reception device
From after the signal conversion of photodetector and Signal acquiring and processing cell processing, the inside for obtaining second glass is anti-
It penetrates and compares ρ2′。
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| CN108519356A (en) * | 2018-05-09 | 2018-09-11 | 宁波纳智微光电科技有限公司 | A kind of vehicle glass transmittance and reflectance detection of mix format apparatus and method |
| CN113655033B (en) * | 2020-04-30 | 2022-11-04 | 上海微电子装备（集团）股份有限公司 | Optical system transmittance detection device and transmittance and reflectance detection method thereof |
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