CN206818598U - A kind of multichannel multi-wavelength light spectrum detection device - Google Patents
A kind of multichannel multi-wavelength light spectrum detection device Download PDFInfo
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- CN206818598U CN206818598U CN201720597740.7U CN201720597740U CN206818598U CN 206818598 U CN206818598 U CN 206818598U CN 201720597740 U CN201720597740 U CN 201720597740U CN 206818598 U CN206818598 U CN 206818598U
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- light source
- rotating shaft
- light
- sample
- detection device
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Abstract
The utility model provides a kind of multichannel multi-wavelength light spectrum detection device, with the unique light-source system of design, when needing to detect a variety of multiple samples, can multichannel simultaneously detect and may be switched to the light source of different wave length, realize the fast and reliable detection of batch samples.Including light source, light source rotating shaft, rotating shaft drive device and sample cell；The light source includes the strip lamp bar of multiple single wavelength light source lamps with longitudinal arrangement, and the light source lamp bar of different wave length is in be arranged on circumferentially distributedly in light source rotating shaft；The sample cell includes the sample box of multiple longitudinal arrangements, and each sample box side has thang-kng passage, and is adapted with the illuminator in light source lamp bar；The illuminator of light source lamp bar of the rotating shaft drive device for making different wave length, which is rotated to sample box thang-kng passage, enters light side.
Description
Technical field
Technical field of food safety detection is the utility model is related to, is detected more particularly to a kind of multichannel multi-wavelength spectrum
Device.
Background technology
In technical field of food safety detection, generally use spectrophotometry measured matter is in certain wave strong point or one
The absorbance or luminous intensity of light in wavelength range, qualitative and quantitative analysis is carried out to the material.Used in AAS
Detecting instrument is referred to as spectrophotometer, and spectrophotometer is also known as spectrometer, is the light that the light of complicated component is decomposed into spectrum line
Spectrometer device, it is 200-380nm that measurement range, which generally comprises the visible region that wave-length coverage is 380-780nm and wave-length coverage,
Ultraviolet region.Spectrometer is mainly made up of light source, monochromator, sample cell, detector and signal processor etc., different light sources
There is its distinctive emission spectrum, therefore light source of the different illuminators as instrument can be used.Spectrometer has become the modern times
Molecular biosciences laboratory conventional instrument.Existing one light source that can produce multiple wavelength of spectrometer generally use, passes through and is
Row light-dividing device, so as to produce specific wavelength, when the light of different wave length is continuously irradiated into certain density sample solution,
After light is through the sample of test, some light is absorbed, and can be obtained the light absorption value corresponding with different wave length and (be absorbed strong
Degree).The light absorption value of sample is directly proportional to the concentration of sample, calculates the light absorption value of sample, so as to change into the concentration of sample.Such as with
Wavelength is abscissa, and absorption intensity is ordinate, so that it may draws the absorption spectrum curve of the material, can also be entered using the curve
Qualitative, the quantitative analysis of row material.Traditional one light source that can produce multiple wavelength of spectrometer generally use, one during detection
As can only be directed to a kind of sample carry out multi-wavelength scanning, to realize to the multi-channel detection of several samples, it is necessary to more spectrometers
It is used cooperatively, when being detected for batch samples, complex operation, cost is high, wastes time and energy.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of multichannel multi-wavelength light spectrum detection device, has and sets
Count unique light-source system, when needing to detect a variety of multiple samples, can multichannel detect simultaneously and may be switched to difference
The light source of wavelength, realize the fast and reliable detection of batch samples.
The technical solution of the utility model is：
1. a kind of multichannel multi-wavelength light spectrum detection device, it is characterised in that including light source, light source rotating shaft, rotating shaft driving
Device and sample cell；The light source includes the strip lamp bar of multiple single wavelength light source lamps with longitudinal arrangement, different wave length
Light source lamp bar in circumferentially distributedly be arranged on light source rotating shaft on；The sample cell includes the sample box of multiple longitudinal arrangements, often
Individual sample box side has thang-kng passage, and is adapted with the illuminator in the light source lamp bar；The rotating shaft drive device is used
Rotated in the illuminator for the light source lamp bar for making different wave length to the sample box thang-kng passage and enter light side.
2. the rotating shaft drive device includes motor, driving gear, driven gear, the driven gear and light source rotating shaft are same
Axis connection, and being engaged with driving gear, the driving gear is arranged in the drive shaft of motor, by motor by driving gear and
Driven gear driving light source rotating shaft rotation.
3. also including photoelectric sensor, the photoelectric sensor is connected with control mainboard, and the control mainboard passes through motor
Drive circuit controls the rotary speed and angle of rotating shaft, and the angle provided according to photoelectric sensor controls reference point, revolves rotating shaft
The illuminator of the light source lamp bar of different wave length, which is positioned to the sample box thang-kng passage, when turning enters light side.
4. the light extraction side of the sample box is provided with receiver, for receiving the spectral signal after passing through sample；It is described
Receiver is connected with control mainboard, and spectral signal is handled by control mainboard.
5. the single wavelength light source lamp is Single wavelength LED.
6. the LED light bar of the different wave length is connected in parallel by conducting slip ring, the conducting slip ring includes coaxial package
Conductive sliding ring rotor and conducting slip ring stator, the LED light bar of different wave length is connected in parallel by conductive sliding ring rotor outlet, corresponding
Conducting slip ring stator outlet be connected in parallel in control mainboard.
7. the light source rotating shaft is hollow-core construction, the cable of the LED light bar cabling inside light source rotating shaft is connected.
8. the LED light bar of the different wave length includes 8, it is uniformly distributed around light source rotating shaft.
9. the sample cell includes two row, the both sides of light source rotating shaft are symmetricly set on.
10. also including base and upper lid, the both ends of the light source rotating shaft are fixed on the end of base, and base both sides are symmetrically pacified
Fill sample cell；The motor is arranged on below base, and the conducting slip ring and photoelectric sensor are fixed on the end of base；It is described
Upper lid is tightly connected with base, ensures that spectrometer will not light leak.
Technique effect of the present utility model：
The utility model provides a kind of multichannel multi-wavelength light spectrum detection device, has the unique light-source system of design, when
When needing to detect a variety of multiple samples, can multichannel simultaneously detect and may be switched to the light source of different wave length, realize large quantities of
Measure the fast and reliable detection of sample.
The light-source system of the utility model design, using the barcode LED lamp bar being made up of Single wavelength LED, different wave length
LED light bar in circumferentially distributedly be arranged on light source rotating shaft on；Sample cell is arranged on light source rotating shaft side, each sample of sample cell
The side of product box has thang-kng passage, and the sample box of stripe-arrangement is adapted with the LED in the barcode LED lamp bar；Work as light
During the rotating shaft rotation of source, each LED is rotated to the thang-kng passage of corresponding sample box, can be contained in the different sample boxs of sample cell
Different samples is put, by the rotation of the LED light bar of different wave length, switches to the light source of different wave length, and realize a variety of
Sample multichannel detects simultaneously.
In addition, the light-source system of the utility model design, the LED light bar of different wave length are connected in parallel by conducting slip ring,
The LED light bar of different wave length is connected in parallel by conductive sliding ring rotor outlet, corresponding conducting slip ring stator goes out line parallel company
It is connected in control mainboard；And it is hollow-core construction by light source pivot design, the cable for connecting LED light bar is walked inside light source rotating shaft
Line, being reliably connected for movable part cable structure in rotating shaft and fixed part cable is realized by conducting slip ring, structure is attractive in appearance
It is compact, while lamp bar cable knotting problem when avoiding axis of rotation.
Brief description of the drawings
Fig. 1 is the utility model internal structure schematic diagram.
Fig. 2 is the utility model overall schematic.
Fig. 3 is the utility model LED light bar wiring schematic diagram.
Fig. 4 is utility model works process flow diagram flow chart.
Reference lists as follows：1- bases, 2- motors, 3- driving gears, 4- driven gears, 5- light source rotating shafts, 6- are led
Electric slip ring, 61- conductive sliding ring rotors, 62- conducting slip ring stators, 63- rotor outgoing lines, 64- stator outlets, 7- sample cells, 8- samples
Product box, 9- receivers, 10- receivers, 11, LED light bar, 12-LED lamp bars, 13- enters optical channel, 14- photoelectric sensors, on 15-
Lid.
Embodiment
The utility model is further described below by embodiment.
As shown in Figure 1 and Figure 2, it is the utility model embodiment overall structure diagram.A kind of multichannel multi-wavelength spectrum inspection
Survey device, including light source, light source rotating shaft, rotating shaft drive device and sample cell；The light source has longitudinal arrangement including multiple
Single wavelength light source lamp strip lamp bar, the single wavelength light source lamp of the present embodiment is Single wavelength LED, the LED of different wave length
Bar 11, LED light bar 12 ... in circumferentially distributed be installed in light source rotating shaft 5, the LED light bar of the different wave length of the present embodiment
Including 8, it is uniformly distributed around light source rotating shaft, each lamp bar provides a kind of light source of wavelength；Sample cell 7 includes multiple longitudinal directions and arranged
The sample box 8 of row, in the present embodiment, sample cell 7 includes two row, is symmetricly set on the both sides of light source rotating shaft 5, and each column includes 8
Sample box, can provide 16 sense channels altogether, and each sample box side has thang-kng passage 13, the thang-kng passage of each sample box
It is adapted with the position of 8 LEDs in LED light bar；The rotating shaft drive device includes motor 2, driving gear 3, driven tooth
Wheel 4, driven gear 4 and light source rotating shaft 5 are coaxially connected, and are engaged with driving gear 3, and driving gear 3 is arranged on the driving of motor 2
On axle, drive light source rotating shaft 5 to rotate by driving gear 3 and driven gear 4 by motor 2, make the LED light bar of different wave length
LED, which is rotated to the sample box thang-kng passage, enters light side.The light extraction side of sample box is provided with receiver, for receiving
Through the spectral signal after sample.In the present embodiment, including two row receivers 9,10, the light extraction of two row sample cells is respectively arranged in
Side, receiver are connected with control mainboard, and spectral signal is handled by control mainboard.Also include photoelectric sensor 14, be
Rotating shaft rotational positioning provides reference point；The photoelectric sensor is connected with control mainboard, and control mainboard passes through motor-drive circuit
The rotary speed and angle of rotating shaft are controlled, the angle provided according to photoelectric sensor controls reference point, makes rotating shaft different when rotating
The LED of the LED light bar of wavelength, which is positioned to the sample box thang-kng passage, enters light side.Also include base 1 and upper lid 15, light
The both ends of source rotating shaft 5 are fixed on two ends of base 1, and sample cell 7 can be symmetrically mounted on base both sides；Motor 2 is arranged on bottom
The lower section of seat 1, conducting slip ring 6 and photoelectric sensor 14 are fixed on an end of base；Upper lid 15 is connected with base 1, ensures light
The sealing of spectrum detection device.
The LED light bar of different wave length is connected in parallel by conducting slip ring 6, and Fig. 3 is the utility model LED light bar wiring signal
Figure.Conducting slip ring includes the conductive sliding ring rotor 61 and conducting slip ring stator 62 of coaxial package, the rotor of conductive sliding ring rotor 61
The LED light bar of different wave length is connected in parallel by outlet 63, and the stator outlet 64 of corresponding conducting slip ring stator 62 is connected in parallel
In control mainboard.In the present embodiment, light source rotating shaft 5 is hollow-core construction, and the cable for connecting LED light bar is walked inside light source rotating shaft
Line, the movable part cable of parallel connection LED lamp bar is realized with fixed part cable by conducting slip ring 6 and be reliably connected, effectively
Internal cable knots when preventing axis of rotation.
As shown in figure 4, it is utility model works process flow diagram flow chart.
1) cuvette equipped with different samples is put into the different sample boxs of sample cell, passes through the row of installation one or two row
Sample cell, the sample cell of 8 sample boxs is included for each column, it is possible to achieve the detection configuration of 8 passages or 16 passages, adapt to more
The demand of kind sample detection；
2) rotated by the drive shaft 5 of motor-drive circuit controlled motor 2, LED light bar 11 of the selection with a certain wavelength,
The LED of LED light bar 11 is set to rotate entering on optical channel to sample box, one sample box of each LED alignment enters optical channel,
The Scanning Detction of the different samples of the wavelength is carried out, the step of completing to scan sample, gathered data；
3) control rotating shaft 5 to rotate automatically by motor-drive circuit, LED light bar 12 of the selection with another wavelength, make LED
The LED of lamp bar 12 rotates entering on optical channel to sample box, and one sample box of each LED alignment enters optical channel, continued
Complete scanning sample-gathered data flow of next wavelength；It is automatically performed the testing process of remaining wavelength successively again.
Thus by the LED light bar of sequential selection different wave length, the multiple light sources lamp of the Same Wavelength in same lamp bar can
Detection is scanned for multiple samples in each sample box；When rotating shaft 5 rotates, the illuminator of different wave length, pin may be selected
The illuminator of different wave length is can switch to each sample box, that is, realizes the light source by multi-wavelength, is scanned successively a variety of
The spectral detection function of the multi-wavelength multichannel of sample.
It is hereby stated that described above contribute to skilled artisan understands that the invention, but not limit the present invention
The protection domain of creation.It is any that equivalent substitution described above, modification are improved without departing from the invention substantive content
And/or the implementation deleted numerous conform to the principle of simplicity and carried out, such as the change of sense channel quantity, the change of light source and light source lamp bar quantity, this
A little simple variants belong to the protection domain of the invention.
Claims (10)
1. a kind of multichannel multi-wavelength light spectrum detection device, it is characterised in that including light source, light source rotating shaft, rotating shaft drive device
And sample cell；The light source includes the strip lamp bar of multiple single wavelength light source lamps with longitudinal arrangement, the light of different wave length
Source lamp bar is in be arranged on circumferentially distributedly in light source rotating shaft；The sample cell includes the sample box of multiple longitudinal arrangements, each sample
Product box side has thang-kng passage, and is adapted with the illuminator in the light source lamp bar；The rotating shaft drive device is used to make
The illuminator of the light source lamp bar of different wave length, which is rotated to the sample box thang-kng passage, enters light side.
2. multichannel multi-wavelength light spectrum detection device according to claim 1, it is characterised in that the rotating shaft drive device
Including motor, driving gear, driven gear, the driven gear and light source rotating shaft are coaxially connected, and are engaged with driving gear, institute
Driving gear is stated in the drive shaft of motor, drives light source rotating shaft to rotate by driving gear and driven gear by motor.
3. multichannel multi-wavelength light spectrum detection device according to claim 2, it is characterised in that also including photoelectric sensing
Device, the photoelectric sensor are connected with control mainboard, and the control mainboard controls the rotation speed of rotating shaft by motor-drive circuit
Degree and angle, the angle provided according to photoelectric sensor control reference point, the light source lamp bar of different wave length when rotating rotating shaft
Illuminator, which is positioned to the sample box thang-kng passage, enters light side.
4. the multichannel multi-wavelength light spectrum detection device according to one of claims 1 to 3, it is characterised in that the sample
The light extraction side of box is provided with receiver, for receiving the spectral signal after passing through sample；The receiver connects with control mainboard
Connect, spectral signal is handled by control mainboard.
5. multichannel multi-wavelength light spectrum detection device according to claim 4, it is characterised in that the single wavelength light source lamp
For Single wavelength LED.
6. multichannel multi-wavelength light spectrum detection device according to claim 5, it is characterised in that the different wave length
LED light bar is connected in parallel by conducting slip ring, and the conducting slip ring includes the conductive sliding ring rotor and conducting slip ring of coaxial package
The LED light bar of different wave length is connected in parallel by stator, conductive sliding ring rotor outlet, and corresponding conducting slip ring stator goes out line parallel company
It is connected in control mainboard.
7. multichannel multi-wavelength light spectrum detection device according to claim 6, it is characterised in that the light source rotating shaft is sky
Core structure, connect the cable of the LED light bar cabling inside light source rotating shaft.
8. multichannel multi-wavelength light spectrum detection device according to claim 7, it is characterised in that the different wave length
LED light bar includes 8, is uniformly distributed around light source rotating shaft.
9. multichannel multi-wavelength light spectrum detection device according to claim 4, it is characterised in that the sample cell includes two
Row, it is symmetricly set on the both sides of light source rotating shaft.
10. multichannel multi-wavelength light spectrum detection device according to claim 3, it is characterised in that also including base and upper
Lid, the both ends of the light source rotating shaft are fixed on the end of base, and base both sides are symmetrically installed sample cell；The motor is arranged on bottom
Seat lower section, the photoelectric sensor are fixed on the end of base；The upper lid is tightly connected with base, ensures that spectrometer will not leak
Light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597740.7U CN206818598U (en) | 2017-05-26 | 2017-05-26 | A kind of multichannel multi-wavelength light spectrum detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720597740.7U CN206818598U (en) | 2017-05-26 | 2017-05-26 | A kind of multichannel multi-wavelength light spectrum detection device |
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| Publication Number | Publication Date |
|---|---|
| CN206818598U true CN206818598U (en) | 2017-12-29 |
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|---|---|---|---|
| CN201720597740.7U Expired - Fee Related CN206818598U (en) | 2017-05-26 | 2017-05-26 | A kind of multichannel multi-wavelength light spectrum detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101945A (en) * | 2017-05-26 | 2017-08-29 | 北京智云达科技股份有限公司 | A kind of multichannel multi-wavelength light spectrum detection device |
| CN109932323A (en) * | 2019-03-29 | 2019-06-25 | 中央民族大学 | A kind of portable spectroscopic system of multichannel lighted based on timesharing and its detection method |
-
2017
- 2017-05-26 CN CN201720597740.7U patent/CN206818598U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101945A (en) * | 2017-05-26 | 2017-08-29 | 北京智云达科技股份有限公司 | A kind of multichannel multi-wavelength light spectrum detection device |
| CN109932323A (en) * | 2019-03-29 | 2019-06-25 | 中央民族大学 | A kind of portable spectroscopic system of multichannel lighted based on timesharing and its detection method |
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Granted publication date: 20171229 Termination date: 20210526 |