CN208313807U - A kind of high polymer optics depolarization instrument - Google Patents
A kind of high polymer optics depolarization instrument Download PDFInfo
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- CN208313807U CN208313807U CN201721485354.5U CN201721485354U CN208313807U CN 208313807 U CN208313807 U CN 208313807U CN 201721485354 U CN201721485354 U CN 201721485354U CN 208313807 U CN208313807 U CN 208313807U
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Abstract
The utility model is about a kind of high polymer optics depolarization instrument, including full-automatic closed loop light path detection, signal acquisition transformation system and Multistage Control feedback system.Closed loop light path detection includes signal optical source, condenser, colour filter chip architecture, polarizer, crystal growing furnace, semi-transparent semi-reflecting lens, the first silicon photocell and the second silicon photocell.First silicon photocell is used to the optical signal transmitted through semi-transparent semi-reflecting lens being converted into the first electric signal；Second silicon photocell is used to the optical signal reflected through semi-transparent semi-reflecting lens being converted into the second electric signal.Signal acquisition transformation system is connect with the first silicon photocell, and the first electric signal is converted into digital data transmission to computer, obtains high polymer sample crystallization speed data.Multistage Control feedback system is connect with the second silicon photocell, signal optical source respectively, is adjusted the second electric signal power, is controlled the luminous intensity of light source.The utility model is mainly used for reducing the volume of high polymer optics depolarization instrument, improves the stability and precision of measuring system.
Description
Technical field
The utility model relates to a kind of superpolymer crystal speed measurement techniques fields, more particularly to a kind of high polymer optics
Depolarization instrument.
Background technique
Currently, generally measuring superpolymer crystal speed using volume dilatometer method；But there are finding speeds for this method
Slowly, the long disadvantage of heat balance time is not suitable for measuring the fast high polymer of crystallization rate.And the measurement crystallization of optics depolarization instrument is dynamic
Mechanics speed parameter is that the principle changed based on high polymer optical property in crystallization process is set up, and is had quick, quasi-
Really, suitable material advantage wide in variety.
The main component of existing optics depolarization instrument is mainly divided in two cabinets.One of cabinet is provided with melting
Furnace, crystal growing furnace, optical measurement components (e.g., signal optical source, condenser, pellicle mirror, photomultiplier tube, analyzer, semi-transparent semi-reflecting
Mirror)；Another cabinet is provided with temperature-controlling system, power supply, transformer, high voltage power supply, trimming circuit, light intensity automatic control circuit, conducting wire.
But the inventor of the utility model has found that above-mentioned existing optics depolarization instrument at least has following technology and asks
Topic: (1) volume of the above-mentioned each components of optics depolarization instrument is larger, occupies optics depolarization instrument very large space；(2) due to
The main component of above-mentioned optics depolarization instrument is divided in two cabinets, so that structure is not compact, be easy to cause apparatus measures
It is unstable.
Summary of the invention
In view of this, the present invention provides a kind of high polymer optics depolarization instrument, main purpose is to reduce optics solution
The volume of polarimeter improves the stability of apparatus measures.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
The embodiments of the present invention provide a kind of high polymer optics depolarization instrument, wherein the high polymer optics solution is inclined
Vibration Meter includes:
Full-automatic closed loop light path detection, the full-automatic closed loop light path detection includes signal optical source, colour filter
Structure, polarizer, crystal growing furnace, semi-transparent semi-reflecting lens, the first silicon photocell and the second silicon photocell；Wherein, the light source is issued
Filtered of light, after polarizer, expose in the crystal growing furnace on high polymer sample, and transmitted through the transmission of high polymer sample
Light passes through the semi-transparent semi-reflecting lens；First silicon photocell is for the optical signal transmitted through the semi-transparent semi-reflecting lens to be converted into
First electric signal；Second silicon photocell is used to the optical signal reflected through the semi-transparent semi-reflecting lens being converted into the second telecommunications
Number；
Signal acquisition transformation system, the signal acquisition transformation system are electrically connected with first silicon photocell, and being used for will
First electric signal is converted into digital signal, can be by digital data transmission to computer, so that computer software obtains high gather
Object sample crystallization speed data；
Multistage Control feedback system, the Multistage Control feedback system are connect with second silicon photocell, light source respectively,
It is strong and weak for automatically adjusting second electric signal, control the luminous intensity of the signal optical source.
It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.
Preferably, the high polymer optical polarization instrument includes a shell；Wherein, the full-automatic closed loop optical path detection system
System, signal acquisition transformation system, Multistage Control feedback system are arranged in the shell；
Preferably, the length of the shell is 180-220mm, width 80-100mm, is highly 40-60mm；
Preferably, the colour filter chip architecture is bonded by two panels colour filter；Wherein, the outer diameter of the colour filter is 10mm
± 0.1mm, thickness 1.5mm ± 0.1mm of the colour filter.
Preferably, the Multistage Control feedback system includes high-power compensation circuit；Wherein,
The high-power compensation circuit is connect with second silicon photocell, signal optical source, and according to second telecommunications
Number compared with reference voltage, to automatically control the luminous intensity of the signal optical source.
Preferably, the crystal growing furnace includes the first side and the second side being oppositely arranged；Wherein, first side and
It is provided with through-hole at the center of second side, for making to polarize luminous energy transmitted through the high polymer sample in crystal growing furnace.
Preferably, the straight of the through-hole is 2.5mm-3.0mm.
Preferably, the high polymer optics depolarization instrument further includes power-supply system, wherein the power-supply system includes:
First transformation voltage-stablizer, the first transformation voltage-stablizer are connect with exchange 220v power supply, for the crystal growing furnace
First voltage is provided；Preferably, the first voltage is direct current 36v；
Second transformation voltage-stablizer, the second transformation voltage-stablizer exchange 220v power supply connection, for the signal optical source,
Multistage Control feedback system provides second voltage；Preferably, the second voltage is direct current 12v；
Wherein, the first transformation voltage-stablizer, the second transformation voltage-stablizer are arranged in the shell.
Preferably, the optics depolarization instrument further includes temperature control system, wherein the temperature control system with it is described
Crystal growing furnace connection, to control the heating temperature of the crystal growing furnace；
Preferably, the signal acquisition transformation system includes multi pass acquisition card.
Preferably, the signal acquisition transformation system is for acquiring the electricity from the first silicon photocell, the second silicon photocell
The heating temperature parameter of signal parameter, temperature control system control crystal growing furnace, and electric signal parameter, heating temperature can be joined
Number is converted into digital signal, and is transmitted on computer, in the case where computer software is run, to obtain high polymer sample crystallization speed
Data and curve；
Wherein, the high polymer sample crystallization speed data and curve include curve of the depolarization light intensity to the time, difference
Isothermal crystal parameter, flexible chain, crystallization rate constant and A Fu rummy index during isothermal crystal.
Compared with prior art, the high polymer optics depolarization instrument of the utility model at least have it is following the utility model has the advantages that
High polymer optics depolarization instrument provided by the embodiment of the utility model substitutes the prior art by using silicon photocell
Photomultiplier tube in optics depolarization instrument, compared with the biggish photomultiplier tube of volume, silicon photocell small volume, thus
The volume of optics depolarization instrument is reduced on the whole.In addition, silicon photocell also has, stability is good, anticorrosion, durable and
The advantages that pollution-free, to improve the measurement performance and environmental-protecting performance of the optics depolarization instrument of the utility model embodiment.
Further, after high polymer starts crystallization, since crystal phase and amorphous phase have different refractive index, thus in two-phase
Interface has scattering light to generate, and with the progress of crystallization process, the transparency of sample constantly declines, and makes empirical curve and practical crystallization
Happen deviation.And high polymer optics depolarization instrument provided in this embodiment by Multistage Control feedback system can eliminate by
Deviation caused by scattering is specifically transformed to after electric signal through Multistage Control feedback system, automatically by the second silicon photocell
Signal optical source voltage is increased, the light intensity in crystallization process through sample is promoted linearly from beginning to end, effectively subtracts
The error of small experiment.
Further, high polymer optics depolarization instrument provided in this embodiment is by by full-automatic closed loop optical path detection system
System, Multistage Control feedback system, the first transformation voltage-stablizer, the second transformation voltage-stablizer and melting furnace are arranged in shell, are realized
Reduction optics depolarization instrument machine volume improves the structural compactness of optics depolarization instrument, improves the stability of apparatus measures.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is a kind of measuring principle figure for high polymer optics depolarization instrument that the embodiments of the present invention provide；
Fig. 2 is a kind of schematic diagram of internal structure for high polymer optics depolarization instrument that the embodiments of the present invention provide.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined goal of the invention and being taken, below
In conjunction with attached drawing and preferred embodiment, to specific embodiment, structure, feature and its effect according to the present utility model application, in detail
It describes in detail bright as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.This
Outside, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
Embodiment 1
The present embodiment provides a kind of high polymer optics depolarization instrument, as depicted in figs. 1 and 2, the high polymer in the present embodiment
Optics depolarization instrument includes: full-automatic closed loop light path detection, signal acquisition transformation system 3 and Multistage Control feedback system 2.
Wherein, full-automatic closed loop light path detection include signal optical source 11, it is colour filter chip architecture 12, polarizer 13, crystal growing furnace 14, semi-transparent
Semi-reflective mirror 17, the first silicon photocell 16 and the second silicon photocell 15.Wherein, the light that signal optical source 11 is issued is through color filter knot
After structure 12, polarizer 13, expose on the sample of crystal growing furnace 14；First silicon photocell 16 through semi-transparent semi-reflecting lens 17 for that will transmit
Light be converted into the first electric signal；Second silicon photocell 15 is used to the light reflected through semi-transparent semi-reflecting lens being converted into the second telecommunications
Number.Signal acquisition transformation system 3 is electrically connected with the first silicon photocell 16, for the first electric signal to be converted into digital signal, energy
By digital data transmission to computer, so that computer software obtains high polymer sample crystallization speed data.Multistage Control feedback
System 2 is connect with the second silicon photocell 16, light source 11 respectively, controls signal optical source 11 for automatically adjusting the second electric signal power
Luminous intensity.
On the one hand, high polymer optics depolarization instrument provided in this embodiment substitutes prior art light by using silicon photocell
Learn the photomultiplier tube in depolarization instrument, compared with the biggish photomultiplier tube of volume, silicon photocell small volume, thus from whole
The volume of optics depolarization instrument is reduced on body.In addition, silicon photocell also has, stability is good, anticorrosion, durable and nothing
The advantages that pollution, to improve the measurement performance and environmental-protecting performance of the optics depolarization instrument of the present embodiment.
In addition, after high polymer starts crystallization, since crystal phase and amorphous phase have different refractive index, thus at the interface of two-phase
There is scattering light to generate, with the progress of crystallization process, the transparency of sample constantly declines, and makes empirical curve and practical crystallization situation
It deviates.And optics depolarization instrument provided in this embodiment can be eliminated by Multistage Control feedback system and be caused by scattering
Deviation specifically be transformed to automatically increase signal light through Multistage Control feedback system after electric signal by the second silicon photocell
Source voltage promotes the light intensity in crystallization process through sample linearly from beginning to end, effectively reduces the mistake of experiment
Difference.
Preferably, the high polymer optics depolarization instrument in the present embodiment further include: analyzer 18；Wherein, analyzer 18 will
Transmitted light through semi-transflective reflective 17 is sent into the first silicon photocell 16.
Preferably, crystal growing furnace 14 includes the first side and the second side being oppositely arranged；Wherein, the first side and second side
It is provided with through-hole at the center in portion, for making to polarize luminous energy transmitted through the high polymer sample in crystal growing furnace 14；Preferably, through-hole
Straight is 2.5mm-3.0mm.Preferably, the through-hole is located at the center of crystal growing furnace side.
Preferably, the signal acquisition transformation system 3 in the present embodiment includes multi pass acquisition card.
Preferably, colour filter chip architecture 12 is bonded by two panels colour filter；Wherein, the outer diameter of colour filter be 10mm ±
0.1mm, thickness 1.5mm ± 0.1mm of colour filter.The present embodiment is by that by above-mentioned setting, can improve colour filter chip architecture 12
Colour filter effect.
Embodiment 2
Preferably, the present embodiment provides a kind of high polymer optics depolarization instrument, compared with a upper embodiment, such as Fig. 1 and Fig. 2
Shown, the Multistage Control feedback system 2 in the present embodiment includes high-power compensation circuit；Wherein, high-power compensation circuit and the
The connection of two silicon photocells 15, light source 11 connect, and according to the second electric signal compared with reference voltage, to control the signal optical source
Luminous intensity.
Multistage Control feedback system provided in this embodiment can be eliminated as caused by scattering well by above-mentioned setting
Deviation makes high poly- field sample in crystallization process, and the light intensity of signal optical source is linearly promoted from beginning to end, is effectively reduced
The error of experiment.
Embodiment 3
Preferably, the present embodiment provides a kind of high polymer optics depolarization instrument, compared with above-described embodiment, such as Fig. 1 and Fig. 2
Shown, the optics depolarization instrument in the present embodiment further includes power-supply system 6, and wherein power-supply system 6 includes: the first transformation voltage-stablizer
61 and the second transformation voltage-stablizer 62；Wherein, the first transformation voltage-stablizer 61 is connect with AC power source, for crystal growing furnace 14 (and
The subsequent melting furnace 7 mentioned) first voltage is provided；Preferably, first voltage is direct current 36v.The exchange of second transformation voltage-stablizer 62
Power supply connection, for providing second voltage to light source 11, Multistage Control feedback system 2；Preferably, second voltage is direct current 12v.
The first transformation voltage-stablizer 61 in the present embodiment includes a transformer and a voltage-stablizer.Similarly, in the present embodiment
Second transformation voltage-stablizer 62 includes a transformer and a voltage-stablizer.
Embodiment 4
Preferably, the present embodiment provides a kind of optics depolarization instrument of high polymer, compared with above-described embodiment, such as Fig. 1 and Fig. 2
Shown, the optics depolarization instrument in the present embodiment further includes temperature control system 4, wherein 14 electricity of temperature control system 4 and crystal growing furnace
Connection, to control the heating temperature of crystal growing furnace 14 respectively.
Preferably, the optics depolarization instrument in the present embodiment further includes temperature detector, temperature detector is for being placed in
In crystal growing furnace, for detecting the temperature in crystal growing furnace.
Preferably, the signal acquisition transformation system 3 in the present embodiment is also used to acquire the temperature in crystal growing furnace 14.Specifically adopt
Mode set may is that signal acquisition transformation system block 3 is connect with temperature control system 4 to be acquired；Or signal acquisition becomes
It changes system 3 to connect with temperature control system 4, to carry out data acquisition.
Embodiment 5
Preferably, the present embodiment provides a kind of high polymer optics depolarization instrument, compared with above-described embodiment, such as Fig. 1 and Fig. 2
Shown, the high polymer optical polarization instrument in the present embodiment further includes a shell 5；Wherein, full-automatic closed loop light path detection, more
Grade control feedback system 2, the first transformation voltage-stablizer 61, the second transformation voltage-stablizer 62, temperature control system 4 are arranged at shell 5
It is interior.Preferably, the length of shell 5 is 180-220mm, width 80-100mm, is highly 40-60mm.
Compared with prior art, high polymer optics depolarization instrument provided in this embodiment is by examining full-automatic closed loop optical path
Examining system, Multistage Control feedback system 2, the first transformation voltage-stablizer 61, the second transformation voltage-stablizer 62 and melting furnace 7 are arranged at shell
In body 5, while realizing reduction optics depolarization instrument volume, the structural compactness of optics depolarization instrument is further increased.
Preferably, signal acquisition transformation system in the utility model embodiment for acquire from the first silicon photocell,
The electric signal parameter of second silicon photocell, temperature control system control the heating temperature parameter of crystal growing furnace, and can join electric signal
Number, heating temperature Parameter Switch are transmitted on computer at digital signal, to transport in the special purpose computer software of autonomous Design
Under row, high polymer sample crystallization data and curve are obtained.Correspondingly, the sample crystallization data in the utility model embodiment include
Depolarization light intensity to during the curve of time, different isothermal crystals isothermal crystal parameter (To the isothermal crystal of t
Curve), flexible chain (1/t1/2To the curve of T), crystallization rate constant and A Fu rummy index (To log t
Ah not's rummy index map).
Embodiment 6
On the one hand, the present embodiment is mainly discussed in detail using high polymer optics depolarization instrument provided by the above embodiment
The principle of the crystallization rate of high polymer is measured, specific as follows:
As depicted in figs. 1 and 2, after filtered 12 colour filter of chip architecture of light that signal optical source 11 issues, using polarizer 13
Become polarised light, polarised light is radiated on high polymer sample by the through-hole on crystal growing furnace 14.When high polymer sample starts to crystallize
When, in high polymer sample birefringent phenomenon occurs for incident light, and a part of light come out from high polymer sample is through semi-transparent semi-reflecting
Mirror 17 is penetrated to reflex on the second silicon photocell 15.Another part light penetrates semi-permeable and semi-reflecting mirror 17, shines after the decomposition of analyzer 18
It is incident upon on the first silicon photocell 16.Wherein, the first silicon photocell 16 converts optical signals into the first electric signal.Signal acquisition transformation
System 3 is electrically connected with the first silicon photocell 16, can be by digital data transmission extremely for the first electric signal to be converted into digital signal
Computer 31, so that the professional software 32 on computer 31 obtains high polymer sample crystallization speed data.
After high polymer starts crystallization, since crystal phase and amorphous phase have different refractive index, thus have at the interface of two-phase scattered
Light generation is penetrated, with the progress of crystallization process, the transparency of sample constantly declines, and happens empirical curve with practical crystallization
Deviation.Second electric signal is converted optical signals by the second silicon photocell 15；In Multistage Control feedback system includes high-power
Compensation circuit 21；According to the second electric signal compared with reference voltage, light-source brightness is carried out according to comparison result and adjusts 22, with control
The luminous intensity of signal optical source 11, and indicate light source voltage instruction 23.Light source is automatically increased by light source voltage adjustment circuit
Voltage promotes the light intensity in crystallization process through sample linearly from beginning to end, reduces the error of experiment, it is ensured that instrument
The stability of device measurement and the accuracy for obtaining data
In addition, temperature control system provided by the above embodiment includes that the first temperature controller 41 and second temperature control
Device；First temperature controller 41 is used to control the temperature in crystal growing furnace 14.Second temperature controller is for controlling in melting furnace 7
Temperature
In addition, the high polymer optics depolarization instrument in the present embodiment passes through the first transformation voltage-stablizer 61 in power-supply system,
For providing the DC voltage of 36v to crystal growing furnace 14, melting furnace 7, computer 31, display 33 and printer 34.Second transformation
Voltage-stablizer 62 is used to provide the DC voltage of 12V to Multistage Control feedback system, capture card 3 (capture card 3 includes trimming circuit).
On the other hand, using the crystallization rate of high polymer optics depolarization instrument provided by the above embodiment measurement high polymer
When, specific steps are as follows:
One, booting is adjusted with instrument
1, the power switch on high polymer optics depolarization instrument is opened.
Preferably, the switch of the regulated power supply on high polymer optics depolarization instrument is first opened, after voltage stabilization is 220V,
It is separately turned on the power switch and high-voltage switch gear of computer, high polymer optics depolarization instrument.
2, the temperature control system on high polymer depolarization instrument is opened, the temperature in crystal growing furnace is made to maintain the first setting temperature
Degree (for example, the first set temperature is 120 ± 0.1 DEG C).
3, the temperature of melting furnace is made to be maintained at the second set temperature (for example, 280 DEG C of second set temperature).
4, the signal optical source switch for opening high polymer optics depolarization instrument, adjusting reference voltage knob makes the first of signal optical source
Beginning voltage adjusts voltage value different needed for different experimental materials, such as within the scope of 1v~3v, and makes in high polymer sample
In product crystallization process, voltage has the compensation range of certain amplitude.
Two, sample preparation
1, it is put into a coverslip in the sample preparation spoon of melting furnace, then puts a piece of centre on the cover slip and cuts foraminate aluminium
Foil is (preferably, the diameter of aperture is 5mm；Aluminium foil with a thickness of O.1mm).
2, suitable high polymer sample is cut with blade to be put into aluminium foil hole, then cover one piece of coverslip；To high polymer sample
Being pressed into thickness with sample preparation compression bar after product softening is about thin slice O.1mm.
3, sample after setting the melting time (setting time 30s) on melting furnace, moves into the sample of constant temperature immediately
Spoon is sent into crystal growing furnace.
Three, test and record
1, it records the time after high polymer sample is pushed into crystal growing furnace, as the initial time of crystallization initiation time, penetrates immediately
Luminous intensity is I0。
2, after high polymer sample crystallization starts, light intensity constantly increases, and to the last light intensity tends to be constant, is through light intensity
For I∞.To obtain depolarization light intensity-time curve.
3, the temperature for changing crystal growing furnace separately takes high polymer sample to carry out other temperature (e.g., respectively by aforesaid operations step
122.5 DEG C, 125 DEG C, 127.5 DEG C, 130 DEG C) isothermal crystal curve.
To sum up, high polymer optics depolarization instrument provided by the embodiment of the utility model substitutes existing by using silicon photocell
Photomultiplier tube in technical optics depolarization instrument, compared with the biggish photomultiplier tube of volume, silicon photocell small volume, from
And the volume of optics depolarization instrument is reduced on the whole.In addition, silicon photocell also has, stability is good, anticorrosion, persistently resistance to
With and it is pollution-free the advantages that, to improve measurement performance and the environmental protection of the high polymer optics depolarization instrument of the utility model embodiment
Performance.Meanwhile on the high polymer optics depolarization instrument of the utility model embodiment by by full-automatic closed loop optical path detection system
System, Multistage Control feedback system 2, the first transformation voltage-stablizer, the second transformation voltage-stablizer and melting furnace are arranged in shell, in reality
While now reducing high polymer optics depolarization instrument volume, moreover it is possible to further increase the compact-sized of high polymer optics depolarization instrument
Property.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of high polymer optics depolarization instrument, which is characterized in that the high polymer optics depolarization instrument includes:
Full-automatic closed loop light path detection, the full-automatic closed loop light path detection include signal optical source, colour filter chip architecture,
Polarizer, crystal growing furnace, semi-transparent semi-reflecting lens, the first silicon photocell and the second silicon photocell；Wherein, the signal optical source is issued
It after filtered of light, polarizer, exposes in the crystal growing furnace on high polymer sample, and transmitted through the transmitted light of high polymer sample
By the semi-transparent semi-reflecting lens；First silicon photocell is used to for the optical signal transmitted through the semi-transparent semi-reflecting lens to be converted into the
One electric signal；Second silicon photocell is used to the optical signal reflected through the semi-transparent semi-reflecting lens being converted into the second electric signal；
Signal acquisition transformation system, the signal acquisition transformation system are electrically connected with first silicon photocell, and being used for will be described
First electric signal is converted into digital signal, can be by digital data transmission to computer, so that computer software obtains high polymer sample
Product crystallization rate data；
Multistage Control feedback system, the Multistage Control feedback system connect with second silicon photocell, light source respectively, are used for
It is strong and weak to automatically adjust second electric signal, controls the luminous intensity of the signal optical source.
2. high polymer optics depolarization instrument according to claim 1, which is characterized in that the high polymer optical polarization instrument is also
Including a shell；Wherein, the full-automatic closed loop light path detection, signal acquisition transformation system, Multistage Control feedback system
It is arranged in the shell；
The length of the shell is 180-220mm, width 80-100mm, is highly 40-60mm.
3. high polymer optics depolarization instrument according to claim 1, which is characterized in that the colour filter chip architecture is filtered by two panels
Color chips is bonded；Wherein, the outer diameter of the colour filter is 10mm ± 0.1mm, thickness 1.5mm ± 0.1mm of the colour filter.
4. high polymer optics depolarization instrument according to claim 1, which is characterized in that the Multistage Control feedback system packet
Include high-power compensation circuit；Wherein,
The high-power compensation circuit is connect with second silicon photocell, signal optical source, and according to second electric signal with
Reference voltage compares, to automatically control the luminous intensity of the signal optical source.
5. high polymer optics depolarization instrument according to claim 1, which is characterized in that the crystal growing furnace includes being oppositely arranged
The first side and the second side；Wherein, it is provided with through-hole at the center of first side and the second side, is polarized for making
Energy transmissive crosses the high polymer sample in crystal growing furnace.
6. high polymer optics depolarization instrument according to claim 5, which is characterized in that the straight of the through-hole is 2.5mm-
3.0mm。
7. high polymer optics depolarization instrument according to claim 2, which is characterized in that the high polymer optics depolarization instrument
It further include power-supply system, wherein the power-supply system includes:
First transformation voltage-stablizer, the first transformation voltage-stablizer are connect with exchange 220v power supply, for providing to the crystal growing furnace
First voltage；The first voltage is direct current 36v；
Second transformation voltage-stablizer, the second transformation voltage-stablizer exchange 220v power supply connection, for the signal optical source, multistage
It controls feedback system and second voltage is provided；The second voltage is direct current 12v；
Wherein, the first transformation voltage-stablizer, the second transformation voltage-stablizer are arranged in the shell.
8. high polymer optics depolarization instrument according to claim 2, which is characterized in that the optics depolarization instrument further includes
Temperature control system, wherein the temperature control system is connect with the crystal growing furnace, to control the heating temperature of the crystal growing furnace
Degree.
9. high polymer optics depolarization instrument according to claim 1, which is characterized in that the signal acquisition transformation system packet
Include multi pass acquisition card.
10. high polymer optics depolarization instrument according to claim 8, which is characterized in that the signal acquisition transformation system
For acquiring from the first silicon photocell, the electric signal parameter of the second silicon photocell, temperature control system control crystal growing furnace
Heating temperature parameter, and electric signal parameter, heating temperature Parameter Switch can be transmitted on computer at digital signal,
In the case where computer software is run, to obtain high polymer sample crystallization speed data and curve；
Wherein, the high polymer sample crystallization speed data and curve include curve, different isothermal of the depolarization light intensity to the time
Isothermal crystal parameter, flexible chain, crystallization rate constant and A Fu rummy index in crystallization process.
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| CN201721485354.5U CN208313807U (en) | 2017-11-09 | 2017-11-09 | A kind of high polymer optics depolarization instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764746A (en) * | 2017-11-09 | 2018-03-06 | 上海凯历迪新材料科技股份有限公司 | A kind of high polymer optics depolarization instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764746A (en) * | 2017-11-09 | 2018-03-06 | 上海凯历迪新材料科技股份有限公司 | A kind of high polymer optics depolarization instrument |
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