CN207051189U - A kind of gun-type near-infrared spectrometers based on dmd chip - Google Patents
A kind of gun-type near-infrared spectrometers based on dmd chip Download PDFInfo
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- CN207051189U CN207051189U CN201720640620.0U CN201720640620U CN207051189U CN 207051189 U CN207051189 U CN 207051189U CN 201720640620 U CN201720640620 U CN 201720640620U CN 207051189 U CN207051189 U CN 207051189U
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- gun
- dmd chip
- processing system
- protecgulum
- signal processing
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Abstract
The utility model discloses a kind of gun-type near-infrared spectrometers based on dmd chip, including：Including：Handle and the body of a gun, handle connects with the body of a gun, the body of a gun is provided with trigger, protecgulum and driving rod, trigger is connected with protecgulum by driving rod, protecgulum fixes sample, the body of a gun is also equipped with light source, the first convergent lens, collimation lens, grating, imaging len, dmd chip, the second convergent lens, single point detector, signal processing system and display screen, single point detector and connected with signal processing system, and signal processing system connects with display.Gun-type near-infrared spectrometers of the present utility model based on dmd chip are by the way that whole light path is integrated in gun type of gas burner, whole spectroanalysis instrument integrated level degree is high, it is compact-sized, reasonable in design, cost is relatively low, is easy to carry with, testing result is directly shown by display screen simultaneously, it is convenient and swift, there is stronger practicality, there are wide market prospects.
Description
Technical field
It the utility model is related to near-infrared spectrometers technical field, more particularly to a kind of gun-type based on dmd chip
Near-infrared spectrometers.
Background technology
Near-infrared spectrometers (Near Infrared Spectrum Instrument, NIRS) are between visible ray
(Vis) and in electromagnetic radiation as waves between infrared (MIR), near infrared spectrum is defined as by U.S. material detection association (ASTM)
780-2526nm region, it is first non-visible light area that people have found in absorption spectrum.Near infrared spectrum with it is organic
The sum of fundamental frequencies that hydric group (O-H, N-H, C-H) vibrates in molecule is consistent with the uptake zone of frequencys multiplication at different levels, by scanning the near of sample
Infrared spectrum, the characteristic information of organic molecule hydric group in sample can be obtained, and be analyzed using near-infrared spectrum technique
Sample have easily and fast, efficiently, it is accurately relatively low with cost, do not destroy sample, do not consume chemical reagent, it is free from environmental pollution etc.
Advantage, therefore the technology is favored by more and more people.Problems be present in existing near-infrared spectrometers：Volume compared with
Greatly, integration degree is relatively low, it has not been convenient to carries, causes service efficiency relatively low.
Utility model content
In view of the shortcomings of the prior art, the utility model purpose is to provide that a kind of integrated level degree is high, is convenient for carrying
Gun-type near-infrared spectrometers based on dmd chip.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of gun-type near-infrared spectrometers based on dmd chip, including：Handle and the body of a gun, the handle and described
The body of a gun connects, and the body of a gun is provided with trigger, protecgulum and driving rod, and the trigger and the protecgulum are connected by the driving rod
Connect, the protecgulum fixes sample, the body of a gun be also equipped with light source, the first convergent lens, collimation lens, grating, imaging len,
Dmd chip, the second convergent lens, single point detector, signal processing system and display screen, the single point detector and the signal
Processing system connects, and the signal processing system connects with the display screen；
The illumination of light source, which is mapped on sample, reflects, successively by the first convergent lens, collimation lens, grating and the imaging
Lens post-concentration, the picture of the slit of different wave length is formed on the dmd chip, after the DMD chips carry out wavelength gating
Focused on by second convergent lens on the single point detector, the single point detector sends the optical signal of reception to institute
Signal processing system is stated, the signal processing system after the optical signal prosessing by the display screen to being shown.
Further, the single point detector is single-point photodiode.
Further, the quantity of the light source is two.
Further, the body of a gun is provided with operated key, and the operated key is connected with the light source.
Further, reference plate is installed on the protecgulum.
Compared to prior art, the beneficial effects of the utility model are：By the way that whole light path is integrated in into gun-type
In structure, whole spectroanalysis instrument integrated level degree is high, and compact-sized, reasonable in design, cost is relatively low, is easy to carry with, together
When testing result directly shown by display screen, it is convenient and swift, there is stronger practicality, spectral signal is entered using dmd chip
Row modulation, improves spectral resolution, has wide market prospects.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature
It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, described in detail as follows.
Brief description of the drawings
Fig. 1 is the structural representation of the gun-type near-infrared spectrometers based on dmd chip in the utility model embodiment.
In figure：10th, handle；11st, battery；20th, the body of a gun；21st, light source；22nd, the first convergent lens；23rd, collimation lens；24、
Grating；25th, imaging len；26th, dmd chip；27th, the second convergent lens；28th, single point detector；30th, trigger；31st, driving rod；
40th, protecgulum；41st, reference plate；50th, sample；60th, signal processing system；70th, display screen；80th, operated key.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
As shown in figure 1, the gun-type near-infrared spectrometers based on dmd chip that are the utility model, including the He of handle 10
Fuselage 20, handle 10 are fixedly connected with the body of a gun 20, and battery 11 is provided with inside handle 10, and the body of a gun 20 is provided with trigger 30, transmission
Rod 31 and protecgulum 40, trigger 30 and protecgulum 40 are connected by driving rod 31, and reference plate 41 is provided with protecgulum 40, and trigger 30 is used
In the opening and closing of control protecgulum 40, the body of a gun 20 is also equipped with light source 21, the first convergent lens 22, collimation lens 23, grating
24th, imaging len 25, dmd chip 26, the second convergent lens 27, single point detector 28, system signal processing 60 and display screen
70, single point detector 28 and signal processing system 60 connect, and signal processing system 60 and display screen 70 connect, light source 21, DMD cores
Piece 26, single point detector 28, signal processing system 60, display screen 70 are connected with battery 11 by wire, and single point detector 28 is
Single-point photodiode, the body of a gun 20 are also equipped with operated key 80, and operated key 80 is connected with light source 21, control the opening of light source 21
And closing.
The light that light source 21 is sent reflects by sample 50, is assembled by the first convergent lens 22, after collimation lens 23
Collimation, dispersion is band after being irradiated to grating 24, is assembled after imaging len 25 according to wavelength order and incides dmd chip
On 26, dmd chip 26 is focused on single point detector 28 after carrying out wavelength gating by the second convergent lens 17, single point detector
28 send the optical signal of reception to signal processing system 60, and signal processing system 60 after optical signal prosessing by display screen 70 to being entered
Row display.
In use, opening protecgulum 40 by trigger 30, trigger 30 is decontroled after sample 50 is placed, now protecgulum 40 is by sample
50 fix, and open light source 21 by operated key 80 and are detected, testing result is directly displayed on display screen 70, convenient to detect people
Member checks that detection is convenient and swift by the opening protecgulum 40 of trigger 30, taking-up sample 50 after terminating.
As further embodiment, the inner side of protecgulum 40 is installed with reference plate 41, is checked and approved for machine.
Compared to prior art, the beneficial effects of the utility model are：By the way that whole light path is integrated in into gun-type
In structure, whole spectroanalysis instrument integrated level degree is high, and compact-sized, reasonable in design, cost is relatively low, is easy to carry with, together
When testing result directly shown by display screen, it is convenient and swift, there is stronger practicality, spectral signal is entered using dmd chip
Row modulation, improves spectral resolution, has wide market prospects.
Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (5)
- A kind of 1. gun-type near-infrared spectrometers based on dmd chip, it is characterised in that including：Handle and the body of a gun, described Hand connects with the body of a gun, and the body of a gun is provided with trigger, protecgulum and driving rod, and the trigger and the protecgulum pass through the biography Dynamic rod connection, the protecgulum fix sample, the body of a gun be also equipped with light source, the first convergent lens, collimation lens, grating, into As lens, dmd chip, the second convergent lens, single point detector, signal processing system and display screen, the single point detector and The signal processing system connection, the signal processing system connect with the display screen；The illumination of light source, which is mapped on sample, reflects, successively by the first convergent lens, collimation lens, grating and the imaging len Post-concentration, the picture of the slit of different wave length is formed on the dmd chip, by institute after the dmd chip carries out wavelength gating State the second convergent lens to focus on the single point detector, the single point detector sends the optical signal of reception to the letter Number processing system, the signal processing system after the optical signal prosessing by the display screen to being shown.
- 2. the gun-type near-infrared spectrometers based on dmd chip as claimed in claim 1, it is characterised in that：The single-point Detector is single-point photodiode.
- 3. the gun-type near-infrared spectrometers based on dmd chip as claimed in claim 1, it is characterised in that：The light source Quantity be two.
- 4. the gun-type near-infrared spectrometers based on dmd chip as claimed in claim 1, it is characterised in that：The body of a gun Operated key is installed, the operated key is connected with the light source.
- 5. the gun-type near-infrared spectrometers based on dmd chip as claimed in claim 1, it is characterised in that：The protecgulum On reference plate is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640620.0U CN207051189U (en) | 2017-06-02 | 2017-06-02 | A kind of gun-type near-infrared spectrometers based on dmd chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640620.0U CN207051189U (en) | 2017-06-02 | 2017-06-02 | A kind of gun-type near-infrared spectrometers based on dmd chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051189U true CN207051189U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640620.0U Expired - Fee Related CN207051189U (en) | 2017-06-02 | 2017-06-02 | A kind of gun-type near-infrared spectrometers based on dmd chip |
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| Country | Link |
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| CN (1) | CN207051189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11112215B2 (en) | 2018-06-18 | 2021-09-07 | Optiflow, Llc | Holographic gunsight with low profile collimator |
| CN115541505A (en) * | 2022-09-20 | 2022-12-30 | 吉林省正真检测有限公司 | Spectral image separation system based on DMD |
-
2017
- 2017-06-02 CN CN201720640620.0U patent/CN207051189U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11112215B2 (en) | 2018-06-18 | 2021-09-07 | Optiflow, Llc | Holographic gunsight with low profile collimator |
| CN115541505A (en) * | 2022-09-20 | 2022-12-30 | 吉林省正真检测有限公司 | Spectral image separation system based on DMD |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 |