A kind of full spectral-transmission favtor instrument for quick measuring
Technical field
The utility model relates to spectrum detection instrument device fields, and in particular to a kind of full spectral-transmission favtor instrument for quick measuring.
Background technique
Spectral-transmission favtor refers to from the irradiation luminous flux of optical system exit and the irradiation luminous flux for projecting optical system
The ratio between, reflect the reference standard of the irradiation luminous flux loss of entire optical system.But the domestic detection to transmissivity at present
It has the following problems:
1) external light source is directly connected with camera lens, and light is radiated on article by camera lens injection, and detection light is received by integrating sphere
After give spectrometer analysis detection, but this structure efficiency is low, light intensity is weaker, larger (2~5mm) without visual observation, hot spot;
2) spot size is determined by deck hole, can not flexibly be adjusted, and will cause a large amount of energy dissipation in communication process,
Make detection inaccuracy;
3) focus adjusting mechanism is not set, and it is accurate mainly to guarantee to focus by the machining accuracy of sample clamping device, can sample
Thickness it is very limited, thus cannot flexibly measure the sample of different-thickness.
As disclosed in number of patent application CN94212674.2 it is a kind of with semiconductor laser generate microbeam light make light source,
The light source angle of divergence is minimum, and facula area is measurement area, and measurement accuracy is high, but the spectral region very little detected every time,
Different lasers, which must be replaced, can just see different spectral regions, cumbersome and be not able to satisfy people to wide spectrum even
The demand of full spectral-transmission favtor measurement.
Summary of the invention
The utility model provides that a kind of spot size is adjustable, sample size unrestricted choice, and the position of test sample is flexible
Adjustable full spectral-transmission favtor instrument for quick measuring, to solve the above technical problems.
To solve technical problem described above, the utility model is the following technical schemes are provided: a kind of full spectral-transmission favtor
Instrument for quick measuring, including shell, adjust platform, deuterium halogen Assembled lamp, deuterium halogen lamp integrated power supply, fiber spectrometer, integrating sphere and vertical
Frame;The deuterium halogen Assembled lamp, deuterium halogen lamp integrated power supply and fiber spectrometer are arranged at case inside;Platform is adjusted to be arranged in shell
At the top of body;Integrating sphere, which is located at, to be adjusted below platform;Stand is arranged in case top;The deuterium halogen Assembled lamp include deuterium lamp device,
Halogen lamp device, the first plano-convex lens group, the second plano-convex lens group and Assembled lamp SMA;Along optical path move towards the halogen lamp device,
First plano-convex lens group, deuterium lamp device the second plano-convex lens group and Assembled lamp SMA coaxial arrangements.
Preferably, the adjusting platform is using the whole electronic control translation stage of two dimension;The adjusting platform is equipped with an integral
Ball incidence hole.
Preferably, the first plano-convex lens group is made of K9 optical glass.
Preferably, the second plano-convex lens group is made of far ultraviolet optical quartz glass.
Preferably, the shell front is equipped with deuterium lamp switch, halogen lamp switch and lamp source master switch, deuterium lamp switch, halogen
Lamp switch and lamp source master switch are set gradually from left to right;The rear is equipped with a fan, for radiating for measuring instrument.
Preferably, the stand is equipped with a lifting structure block;The lifting structure block is equipped with one piece of condenser lens
Block structure;It is connected between the focusing lens structure block and the deuterium halogen Assembled lamp by optical fiber.
Preferably, the focusing lens structure block is made of far ultraviolet optical quartz glass.
Preferably, the full spectral-transmission favtor instrument for quick measuring further includes circuit control device, the circuit control device
It is connect with deuterium halogen Assembled lamp, deuterium halogen lamp integrated power supply, fiber spectrometer and adjusting platform circuitry.
Compared with prior art, the utility model has the advantage that the utility model
1) deuterium halogen Assembled lamp is used (to incorporate continuous deuterium lamp in a channel as lighting source and halogen lamp connects
Continuous spectrum), the spectrum after making integration can be good at providing the continuous output of the wave band from 190nm to 2500nm, and wherein
Deuterium lamp halogen lamp can be opened individually, and the output spectrum intensity of halogen lamp is adjustable, easy to operate, suitable for different situations
Under to the needs of different spectral regions, which effectively avoids the problem of optical coupling efficiency difference, provides steady
Fixed continuous output;
2) as lighting source after using lamp source to collimate: since light has the angle of divergence, intensity is uneven, and is made using integrating sphere
For light uniforming device, beam shaping is carried out to transmitted spectrum, uniform hot spot makes measurement data more accurate, reliable, specifically
Increase by one group of condenser lens in outlet aperture, the beam exit angle for coming out convergence is smaller, and energy is stronger, further increases measurement
As a result accuracy;
3) detection hot spot can be adjusted according to the thickness of sample, can avoid practical as focus adjusting mechanism using lifting structure block
The change of measurement area, so the utility model is applicable to various sizes of sample measurement;
4) the adjusting platform using the whole electronic control translation stage of two dimension as whole device, wherein two dimension entirety electronic control translation stage
It is the movement that position of platform is carried out by driver control stepper motor, stepper motor stride value is not by the shadow of various disturbing factors
It rings, error not long-term accumulation and control performance is good, there is the repeatability of preferable position precision and movement;
5) the utility model can connect external equipment computer by USB interface, and specific computer is sent by USB
Fiber spectrometer is instructed, fiber spectrometer sends instructions to two-dimentional whole electronic control translation stage by serial communication, and two dimension is whole
Electronic control translation stage, which has been handled, sends respective pulses to stepper motor driver, and stepper motor driver retransmits analog signal to X
It the position of the step motor control sample of the stepper motor and Y-axis of axis should so as to collect the data of sample different location
Design can the flexible different location of accurate test sample transmissivity, avoid error caused by manual manipulation, preferably match
The tests of different sample sizes, measurement have more reliable measurement accuracy relative to spot measurement.
Detailed description of the invention
Fig. 1 is the utility model embodiment 3 D stereo view;
Fig. 2 is the utility model embodiment deuterium halogen Assembled lamp front view;
Fig. 3 is the utility model embodiment internal structure top view.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
It please refers to shown in attached drawing: a kind of full spectral-transmission favtor instrument for quick measuring, including shell 1, adjusting platform 2, deuterium halogen group
Lamp 3, deuterium halogen lamp integrated power supply 4, fiber spectrometer 5, integrating sphere 6 and stand 7 are closed, wherein deuterium halogen Assembled lamp 3, deuterium halogen lamp one electricity
Source 4 and equal 5 setting of fiber spectrometer are in 1 inside of shell;The setting of platform 2 is adjusted at 1 top of shell;Integrating sphere 6, which is located to adjust, puts down
2 lower section of platform;The setting of stand 7 is at 1 top of shell;The deuterium halogen Assembled lamp 3 is flat including deuterium lamp device 31, halogen lamp device 32, first
Convex lens group 33, the second plano-convex lens group 34 and Assembled lamp SMA seat 35;The deuterium lamp device 31, halogen lamp dress are moved towards along optical path
The 32, first plano-convex lens group 33, the second plano-convex lens group 34 and Assembled lamp SMA seat 35 is set to be coaxially disposed.
When specific practical, start the lamp source master switch 11 being arranged on shell 1, open deuterium lamp switch 12, opens halogen
Lamp switch 13, the light that the halogen lamp in 20w halogen lamp device 32 is launched are saturating by the first plano-convex made of one group of K9 optical glass
Microscope group 33 converges at the light hole of punched-type deuterium lamp device 31, and the light emitted with the deuterium lamp on deuterium lamp device 31 is together
It is converged at fiber entrance by the second plano-convex lens group 34 made of one group of far ultraviolet optical quartz glass.This is practical new practical
When user deuterium lamp switch 7 or halogen lamp switch 8 can individually be opened according to the spectral region selection oneself needed, enable
Fan 14 that lamp source master switch 11 is arranged on shell 1 while starting work, heat caused by 1 medial element of shell is timely
Discharge, guarantees the service life of element.
Converge to light source at fiber entrance be transmitted to by optical fiber (optical fiber is arranged on the inside of stand, herein for show) it is vertical
The block structure 71 of condenser lens on frame, specific light source reach made of one group of far ultraviolet optical quartz glass of stand setting
The light beam for becoming one angle of divergence very little after the block structure 71 of condenser lens is then incident upon on 6 incidence hole 10 of integrating sphere and is formed
The hot spot of very little.Sheet glass made of a thin layer of far ultraviolet optics quartz material is covered on incidence hole 10.Wherein block structure 6
Can up and down adjustment, then fixed with primary screw, the measurement of different-thickness sample applicable in this way.
Wherein in use when needing to acquire the different location of sample, external equipment computer passes through USB interface
Fiber spectrometer 5 is sent instructions to, fiber spectrometer 5 sends instructions to two-dimentional whole electronic control translation stage by serial communication, leads to
The stepper motor 14 of the stepper motor 13 and Y-axis that overregulate X-axis controls the position of sample, so as to collect sample difference position
The data set.
Light inside integrating sphere 6 by non-uniform reflection and diffusion after from delivery outlet export, at this time delivery outlet output light
It is relatively uniform diffusion light beam.The light beam is after one group of condenser lens processing that delivery outlet is installed, and beam angle becomes smaller, energy
Become strong, is then coupled into fiber spectrometer 5, realization processing, display and storage in fiber spectrometer 5.And by optical fiber
Spectrometer 5 carries out spectral detection reception, light splitting, imaging, after converting optical signal into electric signal by ccd array, then by electric signal
Computer is sent to by data-interface to be handled.
Further, the full spectral-transmission favtor instrument for quick measuring further includes the circuit control for controlling entire instrument operation
Device (not shown) processed, the circuit control device and deuterium halogen Assembled lamp 3, deuterium halogen lamp integrated power supply 4, fiber spectrometer 5 and tune
2 circuit connection of platform is saved, deuterium halogen lamp integrated power supply 4 is that entire 3 fiber spectrometer 5 of deuterium halogen Assembled lamp and adjusting platform 2 provide electricity
Pressure.
In conclusion the utility model is using deuterium halogen Assembled lamp as lighting source (i.e. in the channel company of incorporating
Continuous deuterium lamp and halogen lamp continuous spectrum), the spectrum after making integration can be good at providing from 190nm to 2500nm wave band
Continuous output, and wherein deuterium lamp halogen lamp can be opened individually, and the output spectrum intensity of halogen lamp is adjustable, operation letter
It is single, suitable for difference in the case where to the needs of different spectral regions, which effectively avoids fiber coupling effect
The problem of rate difference, provides the output of steady and continuous;It is whole automatically controlled as focus adjusting mechanism and two dimension using lifting structure block simultaneously
Adjusting platform of the translation stage as whole device can both adjust detection hot spot according to the thickness of sample in this way, can avoid practical
The change of measurement area, and have the repeatability of preferable position precision and movement, it is finally also connected by USB interface outer
Equipment computer is connect, sends instructions to fiber spectrometer 5 by the way that computer is logical, fiber spectrometer 5 is referred to by serial communication transmission
It enabling and gives two dimension whole electronic control translation stage, two dimension entirety electronic control translation stage handle transmission respective pulses to stepper motor driver,
Stepper motor driver retransmits analog signal to the position of the stepper motor of X-axis and the step motor control sample of Y-axis, thus
The data of sample different location can be collected, the design can the flexible different location of accurate test sample transmissivity, keep away
Exempt from error caused by manual manipulation, preferably have matched the test of different sample sizes, measurement has more relative to spot measurement
Reliable measurement accuracy.Entire design Rational structure is simple, and high-precision and high-stability, and test position is flexibly adjustable, fits
It closes and promotes the use of.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should
Understand, technical staff read present specification after specific implementation of the utility model can still be modified or
Equivalent replacement, but these are modified or are changed within all without departing from present utility model application accompanying claims protection scope.