CN207730655U - A kind of portable wheat spectrum detection device - Google Patents
A kind of portable wheat spectrum detection device Download PDFInfo
- Publication number
- CN207730655U CN207730655U CN201820040768.5U CN201820040768U CN207730655U CN 207730655 U CN207730655 U CN 207730655U CN 201820040768 U CN201820040768 U CN 201820040768U CN 207730655 U CN207730655 U CN 207730655U
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- light
- detector
- primary
- spectrum detection
- detection device
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Abstract
The utility model discloses a kind of portable wheat spectrum detection devices, including：Host computer, controller, LED light source, amplifier and A/D converter, further include the first lens, the primary spectroscope of setting below first lens, the light of primary spectroscope refracted portion wave band is on the first detector, it is irradiated on secondary light-splitting mirror through the light of primary spectroscopical part wavelength, secondary light-splitting mirror refraction part is divided on the second detector, permeation parts light is irradiated in sample disc, it is irradiated in the third detector being placed in below sample disc through the light of sample disc, first detector, second detector and third detector electric connection amplifier, amplifier is connected to controller by A/D converter, controller controls sample disc by motor, and it is made at the uniform velocity to rotate.It is provided by the utility model longitudinally disposed, range of light wavelengths specific aim multistage screening, the portable wheat spectrum detection device of multi-gear adjustable detects targeting accuracy, and parameter is precisely arranged, and testing result is quick and precisely.
Description
Technical field
The utility model is related to bread basket ingredient and content analysis technical fields, and in particular to a kind of measurement soybean component
The spectrum detection device of content.
Background technology
Existing spectral class detector, range of light wavelengths are wide in range, and spacing is fixed between each lens or condenser, monitors certain
When the same sample, the spectrum of numerous and jumbled wavelength is more, obscures monitoring data, and testing result is made not to be illustrated, and accuracy is not high, therefore,
Accurate spectrum intensity data can not be obtained, then is had since the smaller sample to be tested of the matter sample as wheat arranges in sample disc
Solid, transmitance is very low so that and the weak electric signal that existing near-infrared analyzer detects is not enough to reach analyzed intensity,
Therefore, it is impossible to obtain accurate spectrum intensity data.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of novel, longitudinally disposed, range of light wavelengths specific aim is more
Grade screening, the portable wheat spectrum detection device of multi-gear adjustable detects targeting accuracy, and parameter is precisely arranged, testing result
Quick and precisely.
In order to solve the above-mentioned technical problem, the utility model provides a kind of portable wheat spectrum detection device, including：On
Position machine, the controller with upper mechatronics, the LED light source being electrically connected with the controller respectively, amplifier and A/D converter, also
Including being arranged below LED light source and for converging the first lens that light source is directional light, parallel narrow being arranged below the first lens
The primary spectroscope of band of light, the light of primary spectroscope refracted portion wave band is on the first detector, through primary spectroscopical
The light of part wavelength is irradiated on the secondary light-splitting mirror being placed in below primary spectroscope, secondary light-splitting mirror again refraction part light splitting in
On second detector, permeation parts directional light is irradiated in the sample disc being placed in below secondary light-splitting mirror, through the light of sample disc
It is irradiated in the third detector being placed in below sample disc, the first detector, the second detector and third detector, which are electrically connected, to be amplified
Device, amplifier are connected to controller by A/D converter, and controller controls sample disc by motor, and it is made at the uniform velocity to rotate.
Further, the first detector, the second detector and third detector are all made of silicon detector.
Further, amplifier uses MCP6S22 chips.
Further, A/D converter uses ADS1118 chips.
Further, controller uses STM32F103ZET6 chips, controller to receive the control instruction of host computer to spectrum
Data are acquired, to when measuring.
Further, motor uses 35BYGH28 stepper motors.
Further, the distance between LED light source and the first lens are adjustable.
Further, the distance between the first lens and primary spectroscope are adjustable, primary spectroscope and secondary light-splitting mirror it
Between distance it is adjustable.
Further, primary spectroscope tilt adjustable, secondary light-splitting mirror angle is adjustable.
Compared with prior art, the beneficial effects of the utility model are:
Below LED light source and for converging the first lens that light source is directional light, parallel narrow wave is set below the first lens
The primary spectroscope of Duan Guang, on the light and the first detector of primary spectroscope refracted portion wave band, through primary spectroscopical portion
The light of partial wave length is irradiated on the secondary light-splitting mirror being placed in below primary spectroscope, secondary light-splitting mirror again refraction part light splitting in the
On two detectors, permeation parts directional light is irradiated in the sample disc being placed in below secondary light-splitting mirror, is shone through the light of sample disc
It penetrates in the third detector being placed in below sample disc, the first detector, the second detector and third detector electric connection amplifier,
Amplifier is connected to controller by A/D converter, and control controls sample disc by motor, and it is made at the uniform velocity to rotate, structure novel
Rationally, vertical structure is arranged, and complies with gravitational direction, reduces measurement error, using three light path detection systems, by real-time
The three road spectroscopic datas acquired by host computer are compared, elimination can be synchronized due to the objective item such as measuring environment, condition and temperature
The caused measurement error of part variation, while base line measurement and the background spectrum aligning step of pre-measurement phase are eliminated, make survey
Amount process has higher real-time and convenience, and then obtains more accurate measurement result.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Wherein, 1- host computers；2- controllers；3-LED light sources；4- motors；5- amplifiers；6-A/D converters；7- samples
Disk；The first lens of 8-；9- primary spectroscopes；The first detectors of 10-；11- secondary light-splitting mirrors；The second detectors of 12-；13- thirds
Detector.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
As shown in Figure 1, a kind of portable wheat spectrum detection device, including：Host computer 1, the control being electrically connected with host computer 1
Device 2 processed, controller 2 use STM32F103ZET6 chips, the control instruction that controller 2 receives host computer 1 to carry out spectroscopic data
It acquires, to when measuring, further includes the LED light source 3, amplifier 5 and A/D converter 6 being electrically connected respectively with controller 2, also wrap
The first lens 8 being arranged below LED light source 3 and for converging light source as directional light are included, between LED light source 3 and the first lens 8
Distance it is adjustable, the primary spectroscope 9 of the lower section of the first lens 8 setting parallel narrow band of light, the first lens 8 and primary spectroscope 9
The distance between it is adjustable, on the light and the first detector 10 of 9 refracted portion wave band of primary spectroscope, through primary spectroscope 9
The light of part wavelength is irradiated on the secondary light-splitting mirror 11 for being placed in 9 lower section of primary spectroscope, primary spectroscope 9 and secondary light-splitting mirror
The distance between 11 is adjustable, and 9 tilt adjustable of primary spectroscope, 11 adjustable angle of secondary light-splitting mirror, secondary light-splitting mirror 11 is again
In on the second detector 12, permeation parts directional light is irradiated in the sample disc for being placed in 11 lower section of secondary light-splitting mirror for secondary refraction part light splitting
7, it is irradiated in the third detector 13 being placed in below sample disc 7, the detection of the first detector 11, second through the light of sample disc 7
Device 12 and third detector 13 are all made of silicon detector and the amplifier 5 that is electrically connected, and amplifier 5 uses MCP6S22 chips, amplifier
5 are connected to controller 2 by A/D converter, and A/D converter 6 uses ADS1118 chips, controller 2 to control sample by motor 4
Disk 7, and it is made at the uniform velocity to rotate, motor 4 uses 35BYGH28 stepper motors.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of portable wheat spectrum detection device, which is characterized in that including：Host computer, the control with upper mechatronics
Device, the LED light source being electrically connected with the controller respectively, amplifier and A/D converter further include that setting is used in combination below LED light source
The primary spectroscope of setting parallel narrow band of light, described first below the first lens that convergence light source is directional light, the first lens
The light of grade spectroscope refracted portion wave band is irradiated on the first detector through the light of the spectroscopical part wavelength of the primary
It is placed on the secondary light-splitting mirror below the primary spectroscope, refraction part is divided in the second detector the secondary light-splitting mirror again
On, permeation parts directional light is irradiated in the sample disc being placed in below the secondary light-splitting mirror, is shone through the light of the sample disc
It penetrates in the third detector being placed in below the sample disc, first detector, second detector and the third are visited
Device electric connection amplifier is surveyed, the amplifier is connected to the controller by A/D converter, and the controller is controlled by motor
The sample disc, and it is made at the uniform velocity to rotate.
2. portable wheat spectrum detection device according to claim 1, which is characterized in that first detector,
Two detectors and third detector are all made of silicon detector.
3. portable wheat spectrum detection device according to claim 1, which is characterized in that the amplifier uses
MCP6S22 chips.
4. portable wheat spectrum detection device according to claim 1, which is characterized in that the A/D converter uses
ADS1118 chips.
5. portable wheat spectrum detection device according to claim 1, which is characterized in that the controller uses
STM32F103ZET6 chips, the control instruction that controller receives host computer are acquired spectroscopic data, to when measuring.
6. portable wheat spectrum detection device according to any one of claims 1 to 5, which is characterized in that the motor
Using 35BYGH28 stepper motors.
7. portable wheat spectrum detection device according to any one of claims 1 to 5, which is characterized in that the LED light
The distance between source and first lens are adjustable.
8. portable wheat spectrum detection device according to claim 1, which is characterized in that first lens with it is described
The distance between primary spectroscope is adjustable, and primary the distance between the spectroscope and the secondary light-splitting mirror are adjustable.
9. portable wheat spectrum detection device according to claim 8, which is characterized in that the primary spectroscope tilts
Adjustable angle, the secondary light-splitting mirror angle is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040768.5U CN207730655U (en) | 2018-01-10 | 2018-01-10 | A kind of portable wheat spectrum detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040768.5U CN207730655U (en) | 2018-01-10 | 2018-01-10 | A kind of portable wheat spectrum detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730655U true CN207730655U (en) | 2018-08-14 |
Family
ID=63081920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820040768.5U Expired - Fee Related CN207730655U (en) | 2018-01-10 | 2018-01-10 | A kind of portable wheat spectrum detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207730655U (en) |
-
2018
- 2018-01-10 CN CN201820040768.5U patent/CN207730655U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180814 Termination date: 20210110 |