CN205080054U - A adjustable light source device for inside quality visible near -infrared spectral detection of fruit - Google Patents
A adjustable light source device for inside quality visible near -infrared spectral detection of fruit Download PDFInfo
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- CN205080054U CN205080054U CN201520758227.2U CN201520758227U CN205080054U CN 205080054 U CN205080054 U CN 205080054U CN 201520758227 U CN201520758227 U CN 201520758227U CN 205080054 U CN205080054 U CN 205080054U
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- led lamp
- integrating sphere
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- fruit
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000003595 spectral effect Effects 0.000 title abstract description 5
- 239000011324 bead Substances 0.000 claims description 34
- 241000219739 Lens Species 0.000 claims description 20
- 210000000695 crystalline len Anatomy 0.000 claims description 20
- 238000002329 infrared spectrum Methods 0.000 claims description 14
- 239000013307 optical fiber Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000011049 pearl Substances 0.000 abstract description 9
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 15
- 229910052736 halogen Inorganic materials 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000675108 Citrus tangerina Species 0.000 description 2
- 235000020971 citrus fruits Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses an adjustable light source device for inside quality visible near -infrared spectral detection of fruit. The interval equipartition is opened on the horizontal equator of total mark ball has three opening, and three LED light emitting source is installed respectively on the three opening of total mark ball, and condenser system installs in the export of total mark ball, and three LED light emitting source and condenser system are all through controller and computer link, the every LED of group lamp pearl group includes the LED lamp pearl strip of being established ties and being formed by four LED lamp pearls that the wavelength is the same, and a plurality of LED lamp pearl components do not are connected with the controller after respective relay is established ties, and LED lamp pearl group and relay are all installed at the circuit board, and the circuit board passes through the retainer plate and installs on the opening of total mark ball. The utility model discloses shining and going out of steerable each LED lamp pearl strip realizes the not spectral output of same waveform to the experiment requirement of adaptation different cultivars fruit. Because what adopt is LED lamp pearl, has energy -concerving and environment -protective advantage simultaneously.
Description
Technical field
The utility model relates to a kind of detection of agricultural products light supply apparatus, especially relates to a kind of adjustable light sources device detected for fruit internal quality visible and near infrared spectrum, and the pol being mainly used in fruit internal detects.
Background technology
Visible and near infrared spectrum detection technique is owing to having fast, can't harm, and become the very welcome detection technique of one, it is applicable to the commercial production of scale, robotization, can be used for the on-line checkingi of agricultural product, realizes the automatic classification of agricultural product.Light source is an extremely important ring in spectrum detection technique, and light source provides the spectrum of needs for detection technique.
, in existing technology, there are some utilize halogen tungsten lamp to carry out the device of visible and near infrared spectrum detection in the current light source mainly halogen tungsten lamp used for the visible and near infrared spectrum detection technique of citrus fruit, as:
In US Patent No. 7295318B2, describe two kinds of visible near-infrared pick-up units.One be by travelling belt while arrange many halogen tungsten lamps, and lay detecting device at another side, middlely to be separated by one piece of black baffle plate; Another kind is that many halogen tungsten lamp light sources are installed by side on a moving belt, and this light source can regulate the number of luminophor, below travelling belt, install detecting device.These two kinds of methods all adopt halogen tungsten lamp, but halogen tungsten lamp has some shortcomings: thermal value is large, and temperature is high, capacity usage ratio is low, because temperature is high, can cause damage to parts, also can affect testing result simultaneously, and power is large, and energy consumption is large, not energy-conservation.
LED (LightEmittingDiode) is a kind of more novel light source, and Chinese is light emitting diode, and be a kind of electron device utilizing semi-conducting material manufacturing, electricity can be converted into light by it.The core of LED is a block semiconductor chip, and two electrodes are extended at chip two ends, a positive pole, and a negative pole, whole chip is encapsulated in inside transparent epoxide resin material.The features such as it has that volume is little, energy consumption is low, brightness is high, heat is low, environmental protection, controllability are strong, in agricultural product optical characteristics detects, LED is commonly used as the light source of imaging system or the light source of fluorescence induction system, few at the Application comparison of other side.
The spectrum that single led lamp pearl is launched simultaneously is Single wavelength, and this is unfavorable for for visible and near infrared spectrum detection technique.It is more that knockdown LED applies in regulation light source, but lack in prior art at the application of agricultural product optical characteristics context of detection and device thereof.
Utility model content
In order to solve Problems existing in background technology, the purpose of this utility model is to provide a kind of adjustable light sources device detected for fruit internal quality visible and near infrared spectrum.The utility model can launch the spectrum of visible near-infrared wave band, and the spectrum of different wave can be launched by the on and off controlling each LED lamp bead bar, according to the installation form of condenser system, light can be guided to fruit surface by optical fiber, also can direct irradiation fruit, and then complete spectra collection work.
The technical solution adopted in the utility model is as follows:
The utility model comprises three LED light emitting sources, integrating sphere, condenser system, controller and computing machines, the horizontal equator of integrating sphere has uniformly at intervals three openings, three LED light emitting sources are arranged on three openings of integrating sphere respectively, condenser system is arranged in the outlet of integrating sphere, and three LED light emitting sources are connected with computing machine with the equal via controller of condenser system; LED light emitting source comprises circuit board, retainer plate, organizes all not identical LED lamp bead group of wavelength of transmitted light and relay thereof more; Often organize LED lamp bead group and comprise the LED lamp bead bar be in series by the LED lamp bead that four wavelength are identical, multiple LED lamp bead group is connected with controller respectively after the series connection of respective relay, LED lamp bead group and relay are installed in circuit board, and circuit board is arranged on the opening of integrating sphere by retainer plate.
The wavelength of transmitted light scope of described LED lamp bead group is 420 ~ 1050nm.
Described condenser system comprises one piece of plano-convex lens and sleeve, and plano-convex lens is coaxially arranged in sleeve, plano-convex lens convex surface facing integrating sphere center, sleeve is screwed in the outlet of integrating sphere.
Described condenser system comprises two pieces of plano-convex lenss and sleeve, and two pieces of plano-convex lens concave surfaces face and are coaxially arranged in sleeve, and sleeve is screwed in the outlet of integrating sphere.
The sleeve output terminal of described condenser system is provided with optical fiber.
The transmission that described light supply apparatus is used for fruit internal quality detects and reflection detection.
LED integrating sphere light source of the present utility model is uniform three openings at position, integrating sphere equator, as light input port, open an outlet again, as light delivery outlet at integrating sphere top.What luminophor adopted is LED lamp bead, and be welded on respectively on three pieces of circuit boards, circuit board is arranged on the opening of integrating sphere.Integrating sphere outlet connects a sleeve, and sleeve inner installs plano-convex lens, irradiates fruit by two kinds of modes, and a kind of extraction with optical fiber irradiates fruit, another kind of direct irradiation fruit.
The beneficial effect that the utility model has is:
The utility model can launch the combination spectrum of scope between 420 ~ 1050nm, and can by controlling the light on and off of each LED lamp bead bar, and the spectrum realizing different wave exports, and can adapt to the Quality Detection of different fruit like this.
Energy requirement when the utility model detects according to different fruit, this light source both may be used for transmission and had detected, and also may be used for reflection and detected.
The light that the utility model is launched can direct irradiation fruit, also can be drawn by optical fiber and irradiate fruit again; Simultaneously due to light emitting source employing is LED lamp bead, and the utility model also has the advantage of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the utility model device.
Fig. 2 is the mounting structure schematic diagram of LED light emitting source.
Fig. 3 is the internal circuit diagram of LED light emitting source.
Fig. 4 is a kind of structural representation of condenser system.
Fig. 5 is the another kind of structural representation of condenser system.
Fig. 6 is the structural representation of integrating sphere.
Fig. 7 is embodiment design sketch of the present utility model.
In figure: 1, LED light emitting source; 2, integrating sphere; 3, condenser system; 4, controller; 5, computing machine; 101, LED lamp bead group; 102, relay; 103, circuit board; 104, retainer plate; 201, opening; 202, export; 301, plano-convex lens; 302, sleeve; 1011, LED lamp bead bar, 6, optical fiber.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, the utility model comprises three LED light emitting sources 1, integrating sphere 2, condenser system 3, controller 4 and computing machine 5, the horizontal equator of integrating sphere 2 has uniformly at intervals three openings 201, as shown in Figure 6, three LED light emitting sources 1 are arranged on three openings 201 of integrating sphere 2 respectively, condenser system 3 is arranged in the outlet 202 of integrating sphere 2, and three LED light emitting sources 1 are connected with computing machine 5 with the equal via controller 4 of condenser system 3.
As shown in Figure 2, LED light emitting source 1 comprises circuit board 103, retainer plate 104, organizes all not identical LED lamp bead group 101 of wavelength of transmitted light and relay 102 thereof more; As shown in Figure 3, often organize LED lamp bead group 101 and comprise the LED lamp bead bar 1011 be in series by the LED lamp bead L that four wavelength are identical, multiple LED lamp bead group 101 is connected with controller 4 respectively after respective relay SW connects, LED lamp bead group 101 and relay 102 are installed in circuit board 103, as shown in Figure 2, circuit board 103 is arranged on the opening 201 of integrating sphere 2 by retainer plate 104, and circuit board 103 is fixed on retainer plate 104, and retainer plate 104 is arranged on the opening 201 of integrating sphere 2.
The wavelength of transmitted light scope of LED lamp bead group 101 is 420 ~ 1050nm.
As shown in Figure 4, a kind of embodiment of condenser system 3 is: comprise one piece of plano-convex lens 301 and sleeve 302, plano-convex lens 301 is coaxially arranged in sleeve 302, plano-convex lens 301 convex surface facing integrating sphere 2 center, sleeve 302 is screwed in the outlet 202 of integrating sphere 2.
As shown in Figure 5, the another kind of embodiment of condenser system 3 is: comprise two pieces of plano-convex lenss 301 and sleeve 302, two pieces of plano-convex lens 301 concave surfaces face and are coaxially arranged in sleeve 302, sleeve 302 is screwed in the outlet 202 of integrating sphere 2, and sleeve 302 output terminal of condenser system 3 is provided with optical fiber 6.
After switching on power, the utility model device can launch the combination spectrum of scope between 420 ~ 1050nm, by controlling the on and off of each LED lamp bead bar, this light source is allowed to launch the combination spectrum of different wave, the spectral detection of different cultivars fruit can be adapted to like this, energy requirement when detecting according to different fruit, this light source both may be used for transmission and had detected, and also may be used for reflection and detected.The light finally exported, according to the installation form of condenser system, can be drawn by optical fiber, is irradiated to the surface of fruit, also can direct irradiation fruit, and then collects the visible near-infrared detection spectrum of fruit.
Embodiment of the present utility model and concrete implementation process as follows:
That LED lamp bead 101 adopts is HaSunLED, kind according to fruit selectes wavelength of transmitted light, select oranges and tangerines in concrete enforcement, its optical wavelength of launching is selected: 420nm, 430nm, 440nm, 450nm, 460nm, 470nm, 500nm, 510nm, 520nm, 530nm, 550nm, 570nm, 580nm, 600nm, 610nm, 620nm, 660nm, 670nm, 640nm, 700nm, 720nm, 760nm, 800nm, 840nm, 810nm, 850nm, 980nm, 1050nm.Each wavelength selects four lamp pearls.
Three LED lamp bead groups on equator are respectively:
First group: 420nm, 430nm, 440nm, 450nm, 460nm, 470nm, 500nm, 510nm, 520nm, 530nm.
Second group: 550nm, 570nm, 580nm, 600nm, 610nm, 620nm, 660nm, 640nm.
3rd group: 670nm, 700nm, 720nm, 760nm, 800nm, 840nm, 810nm, 850nm, 980nm, 1050nm;
Relay 102 adopts grand relay HF46F24-HS1, and controller 4 adopts the USB5538 light isolation 16DI/16DO card of Beijing Art Technology Development Co., Ltd., and what plano-convex lens 301 adopted is optics K9 plano-convex lens, employs two pieces of plano-convex lenss.The diameter of integrating sphere 2 is 20CM, is evenly equipped with in horizontal equatorial positions the opening 201 that three diameters are 5CM, has on integrating sphere 2 top the outlet 202 that 1 diameter is 5CM simultaneously.
Before the test that oranges and tangerines do not enter, the LED lamp bead bar 1011 first will selected under which wavelength needs to light.Switch on power, after starter gear, the LED lamp bead bar 1011 being controlled this several wavelength by controller 4 and computing machine 5 is lighted, and the LED lamp bead bar 1011 under other wavelength extinguishes.Wait for 15-20 minute, after equipment is stable, carries out spectra collection again.Drawn by light after focusing by optical fiber, make it be irradiated to the surface of citrus fruit, then gather visible and near infrared spectrum, the inside quality for fruit detects.
Embodiment detects the light source light spectrum that obtains as shown in Figure 7, can be obtained the curve of spectrum of 7 crests by the LED lamp bead bar 101 lighting selected wavelength.
As can be seen here, the utility model can launch the spectrum of visible near-infrared wave band, can realize the inside quality spectral detection of fruit, also can realize the testing requirement of different fruit, simultaneously due to employing is LED illuminator, and this device also has the advantage of energy-conserving and environment-protective.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (6)
1. the adjustable light sources device detected for fruit internal quality visible and near infrared spectrum, it is characterized in that: comprise three LED light emitting sources (1), integrating sphere (2), condenser system (3), controller (4) and computing machine (5), integrating sphere (2) horizontal equator has uniformly at intervals three openings (201), three LED light emitting sources (1) are arranged on three openings (201) of integrating sphere (2) respectively, condenser system (3) is arranged in the outlet (202) of integrating sphere (2), three LED light emitting sources (1) are all connected with controller (4) with condenser system (3),
Described LED light emitting source (1) comprises circuit board (103), retainer plate (104), organizes all not identical LED lamp bead group (101) of wavelength of transmitted light and relay (102) thereof more; Often organize LED lamp bead group (101) and comprise the LED lamp bead bar (1011) be in series by the LED lamp bead that four wavelength are identical, multiple LED lamp bead group (101) is connected with controller (4) respectively after the series connection of respective relay (102), LED lamp bead group (101) and relay (102) are installed in circuit board (103), and circuit board (103) is arranged on the opening (201) of integrating sphere (2) by retainer plate (104).
2. a kind of adjustable light sources device detected for fruit internal quality visible and near infrared spectrum according to claim 1, is characterized in that: the wavelength of transmitted light scope of described LED lamp bead group (101) is 420 ~ 1050nm.
3. a kind of adjustable light sources device detected for fruit internal quality visible and near infrared spectrum according to claim 1, it is characterized in that: described condenser system (3) comprises one piece of plano-convex lens (301) and sleeve (302), plano-convex lens (301) is coaxially arranged in sleeve (302), plano-convex lens (301) convex surface facing integrating sphere (2) center, sleeve (302) is screwed in the outlet (202) of integrating sphere (2).
4. a kind of adjustable light sources device detected for fruit internal quality visible and near infrared spectrum according to claim 1, it is characterized in that: described condenser system (3) comprises two pieces of plano-convex lenss (301) and sleeve (302), two pieces of plano-convex lens (301) concave surfaces face and are coaxially arranged in sleeve (302), and sleeve (302) is screwed in the outlet (202) of integrating sphere (2).
5. a kind of adjustable light sources device detected for fruit internal quality visible and near infrared spectrum according to claim 4, is characterized in that: sleeve (302) output terminal of described condenser system (3) is provided with optical fiber (6).
6. the application of a kind of adjustable light sources device for the detection of fruit internal quality visible and near infrared spectrum according to claim 1, is characterized in that: the transmission that described light supply apparatus is used for fruit internal quality detects and reflection detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758227.2U CN205080054U (en) | 2015-09-28 | 2015-09-28 | A adjustable light source device for inside quality visible near -infrared spectral detection of fruit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520758227.2U CN205080054U (en) | 2015-09-28 | 2015-09-28 | A adjustable light source device for inside quality visible near -infrared spectral detection of fruit |
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| CN205080054U true CN205080054U (en) | 2016-03-09 |
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| CN201520758227.2U Expired - Fee Related CN205080054U (en) | 2015-09-28 | 2015-09-28 | A adjustable light source device for inside quality visible near -infrared spectral detection of fruit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158204A (en) * | 2015-09-28 | 2015-12-16 | 浙江大学 | Adjustable light source device for visible near infrared spectrum detection of internal quality of fruits |
| CN109916846A (en) * | 2019-02-19 | 2019-06-21 | 中国科学院合肥物质科学研究院 | A kind of flux detection integrating sphere dodging device |
| WO2022005812A1 (en) * | 2020-06-29 | 2022-01-06 | Spekciton Biosciences Llc | Duvf-msi biophotonic analyzer device and methods for detecting pathogens on plants and measuring stress response |
-
2015
- 2015-09-28 CN CN201520758227.2U patent/CN205080054U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158204A (en) * | 2015-09-28 | 2015-12-16 | 浙江大学 | Adjustable light source device for visible near infrared spectrum detection of internal quality of fruits |
| CN109916846A (en) * | 2019-02-19 | 2019-06-21 | 中国科学院合肥物质科学研究院 | A kind of flux detection integrating sphere dodging device |
| CN109916846B (en) * | 2019-02-19 | 2021-12-24 | 中国科学院合肥物质科学研究院 | Flux detection integrating sphere light uniformizing device |
| WO2022005812A1 (en) * | 2020-06-29 | 2022-01-06 | Spekciton Biosciences Llc | Duvf-msi biophotonic analyzer device and methods for detecting pathogens on plants and measuring stress response |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160309 Termination date: 20180928 |