CN2903976Y - Portable fast tester for fruit nutrition components - Google Patents
Portable fast tester for fruit nutrition components Download PDFInfo
- Publication number
- CN2903976Y CN2903976Y CN 200620096560 CN200620096560U CN2903976Y CN 2903976 Y CN2903976 Y CN 2903976Y CN 200620096560 CN200620096560 CN 200620096560 CN 200620096560 U CN200620096560 U CN 200620096560U CN 2903976 Y CN2903976 Y CN 2903976Y
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- China
- Prior art keywords
- optical signal
- fruit
- signal data
- processing system
- concave mirror
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Abstract
The utility model relates to a portable fruit nutritional components fast determining device, which comprises a light intensity controller, a light source, a focusing concave mirror, an optical grating monochromator, an optical signal acquisition unit, an optical signal data processing system and a display, wherein, the light intensity controller is connected with the light sources which are positioned symmetrically at the two side of the central axis line before the concave mirror; the optical fiber probe, the optical grating monochromator and the optical signal collector are distributed orderly along the light path between the back end of the focusing concave mirror and the optical signal data processing system; the optical signal collector is connected with the optical signal data processing system circuit; the optical signal data processing system is connected with the display circuit. The near-infrared absorption characteristics of the fruit are varied with the increasing of the nutrient compositions of the fruit. The acquired near-infrared absorption spectrum information is calculated and analyzed in the optical signal processing system to get the results about the vitamin and other nutrition composition of the fruit which can be rapidly shown on the digital display.
Description
Technical field
The utility model relates to a kind of fruit nutrition composition detection instrument, especially a kind of portable fruit fast detector for nutrient.
Background technology
At present, the detection method of fruit vitamin is a lot, modal 2,6-chlorophenol indophenols titration measuring, by the fruit sample is ground, smashs to pieces processing, extract fruit juice and measure, this obviously is a kind of detection method that diminishes, this quadrat method not only sample preparation loaded down with trivial details, waste time and energy, and detect the cost height, efficient is low.In order to obtain a kind of harmless, easy Non-Destructive Testing fruit vitamin lossless detection method, Chinese scholars had once been carried out some correlative studys.
High performance liquid chromatography: by high performance liquid chromatograph the fruit juice sample is analyzed, need be spent the plenty of time to do the sample with complex pre-treatment before analyzing, the method complicated operation, the instrument costliness of use detects the cost height, and detection time is long.
Near infrared light determination method: utilize the laboratory spectrometer that near infrared light is radiated at fruit surface, by mensuration a kind of method by the fruit surface transmitted ray after internal divergence.The method is carried out spectrum differential, pre-service such as level and smooth earlier, sets up mathematical model in conjunction with chemometrics method, and uses the model of being set up to predict the vitamin of detected fruit.But the method is based on the laboratory spectral instrument, and cost is higher and do not have portable and the operation simplification.
Summary of the invention
The purpose of this utility model is to provide the portable fruit fast detector for nutrient.
The technical solution of the utility model is:
A kind of portable fruit fast detector for nutrient is made up of light intensity controller, light source, focusing concave mirror, grating monochromator, optical signal acquisition device, optical signal data disposal system and display; Wherein: the light intensity controller is connected with light source, the both sides of the central axis that is positioned at the focusing concave mirror front end of light source symmetry; Be distributed with fibre-optical probe, grating monochromator, optical signal acquisition device successively on the light path between the rear end of focusing concave mirror and the optical signal data disposal system; Optical signal acquisition device is connected with optical signal data disposal system circuit; The optical signal data disposal system is connected with display circuit.
The portable fruit fast detector for nutrient that the utility model provides, light intensity control is used to control the luminous intensity of light source, in the 350nm-1100nm near infrared wavelength region, obtain the near infrared light spectrum information of fruit, calculate the vitamin content of fruit internal by the 89C51 microprocessor.Measurement result is shown by the LCD liquid crystal display circuit.
After the light that is sent by light source was gathered by focusing concave mirror, fibre-optical probe, grating monochromator, optical signal acquisition device through the optical signal transmissive of fruit, the optical signal data disposal system of being made up of microprocessor etc. was converted into digital signal with light signal; What be connected with microprocessor forms LCD LCD MODULE demonstration measurement result by HD4478, HD4410 and liquid crystal board; Light intensity control is used to control the luminous intensity of light source.
The beneficial effects of the utility model are: in the maturation of fruit, vitamin can become along with the increase of fruit nutrition composition greatly, and fruit also can change theoretical foundation of the present utility model that Here it is to the absorption feature of near infrared light thereupon simultaneously.In the 350nm-1100nm near infrared wavelength region, obtain the near-infrared absorption spectrum information of fruit, carry out computational analysis by microprocessor, determine the vitamin content of fruit according to fruit absorbance size.
During actual measurement, the light direct irradiation fruit surface that light source penetrates, transmitted light after the fruit internal tissue absorbs is received by focusing concave mirror and spectral signal is transported to by receiving fibre-optical probe the grating monochromator beam split is laggard goes into optical signal acquisition device, optical signal acquisition device can be a hyperchannel CCD silicon detecting device, by the R232 communication interface information is passed to the optical signal data disposal system, through amplifier, deliver to microprocessor after filtering and the A/D conversion, microprocessor control with by HD4478, HD4410 and liquid crystal board are formed the vitamin value size that LCD LCD MODULE display circuit shows output fruit.
Description of drawings
Fig. 1 is a portable fruit fast detector for nutrient easy structure synoptic diagram of the present utility model.
Fig. 2 is the structural representation of portable fruit fast detector for nutrient circuit part of the present utility model.
Description of drawings: light source 1, focusing concave mirror 2, grating monochromator 3, optical signal acquisition device 4, optical signal data disposal system 5, display 6, light intensity controller 7, fibre-optical probe 8.
Embodiment
Embodiment 1,
A kind of portable fruit fast detector for nutrient is made up of light intensity controller 7, light source 1, focusing concave mirror 2, grating monochromator 3, optical signal acquisition device 4, optical signal data disposal system 5 and display 6; Wherein: light intensity controller 7 is connected with light source 1, the both sides of the central axis that is positioned at focusing concave mirror 2 front ends of light source 1 symmetry; Be distributed with fibre-optical probe 8, grating monochromator 3, optical signal acquisition device 4 on the light path between the rear end of focusing concave mirror 2 and the optical signal data disposal system 5 successively; Optical signal acquisition device 4 is connected with optical signal data disposal system 5 circuit; Optical signal data disposal system 5 is connected with display 6 circuit.
Embodiment 2,
Light signal 8LMNDYSR is by eight road analog input end IN0-IN7 input of ADC0809; The WR of 89C51, P2.7, RD come by being connected with START, ALE, the OE port of ADC0809 respectively behind the rejection gate; The ALE of 89C51 is connected with the CK end of double D trigger 74LS74, and the output terminal Q of double D trigger 74LS74 is connected with the CLK of ADC0809 end; The D0 of ADC0809～D7 port is connected with P0.0～P0.7 port of 89C51; The P0.0 of 89C51～P0.7 port is connected with 74L,373 eight d type flip flops, the A0 of 74L373, A1, A2 port are connected with A, B, the C port of ADC0809, and the P2.6 port of 89C51 is connected with the RS port of LCDMK, the WR of 89C51 end is connected with the R/W end of LCDMK, WR, the RD of 89C51, P2.7 end also pass through Sheffer stroke gate jointly, phase inverter is connected by holding with the E of LCDMK; The P1.0-P1.7 end of 89C51 is connected with the DB0 of LCDMK～DB7 end.
The right-hand member of button S2, S3, S4 links to each other with P3.2, P1.7, the P1.6 port of 89C51 respectively; The port of the P1.0 of 89C51 is connected with load FZ2 through MC3041; The port of P1.1 is connected with load FZ1 through MC3041; The P1.2 of 89C51, P1.3 port also are connected with LED2 (Y), LED3 (R) by two phase inverters.
The P3.2 of 89C51 passes through resistance R
3Be connected with LED1, LED1 is connected with Vcc, and P1.7, P1.6 also pass through resistance R respectively
4, R
5Be connected with Vcc.
The V of LCDMK
SSBe grounding leg; V
DdBe the positive pin of power supply; Vlcd is the liquid crystal drive voltage pin; RS is that register is selected pin; R/W is a read/write end pin; E is the Enable Pin pin; Corresponding DB0～DB7 is 8 bit data stitches.
All the other are with embodiment 1.
Embodiment 3,
Light signal 8LMNDYSR is by eight road analog input end IN0-IN7 input of ADC0809; The signal that the WR of 89C51, P2.7, RD come is exported after by rejection gate, and enters into START, the ALE of ADC0809, mould/number conversion that the OE port is controlled ADC0809; The ale signal of 89C51 enters and controls the CK end of double D trigger 74LS74 and gives the CLK end of ADC0809 as the work clock signal by the output terminal Q output external timing signal of double D trigger 74LS74 again; To P0.0～P0.7 port of 89C51 and enter 89C51 inside, the programmed instruction that passes through 89C51 inside ROM makes it to realize semaphore lock, demonstration to 8 position digital signals of ADC0809 through D0～D7 port output back; 89C51 also gives an order by P0.0～P0.7 mouth and enters into ADC0809 inside through A0, the A1 of 74L,373 eight d type flip flops, A, B, the C port that the A2 port outputs to ADC0809, makes it to realize the control to the input of conducting by turns of eight tunnel simulating signals; When arriving as optical tests signal when a certain road fruit, the a certain corresponding port input of eight road analog input end IN0-IN7 input by ADC0809, then by the P2.6 of 89C51 output to that the LCD module shows that the RS end of LCDMK enters, the WR end of 89C51 outputs to that the LCD module shows that the R/W end of LCDMK enters, WR, the RD of 89C51, P2.7 work together to and enter the E end that the LCD module shows LCDMK behind Sheffer stroke gate, the phase inverter and enter; The P1.0-P1.7 of 89C51 end outputs to the LCD module and shows that DB0～DB7 end of LCDMK enters the LCD display module, after demonstrate the result, LCD is articulated on the bus of 89C51, by to the control to LCD of the implementing reading and writing of data bus.
In the optical tests preparatory stage of fruit, the operator is by reset key, and specifically at 9 foots of 89C51, digital display is " 0 " attitude; After the optical tests of fruit begins, when the optical tests signal of arbitrary road fruit arrives, when simulating signal is input to the IN0-IN7 of ADC0809,, show the optical tests result of fruit through the LCD module then by P2.6, WR, RD, P2.7, the P1.0-P1.7 output of 89C51; DB0～the DB7 of the P1.0 of 89C51～P1.7 pin output data and Liquid Crystal Module links to each other, and transmits the information that shows certain symbol; The P2.6 port of 89C51 is one of passage of address and universaling I/O port, and it links to each other with the RS of Liquid Crystal Module, and playing and selecting REM still is the effect of ROM.The WR port of 89C51 directly links to each other with the R/W of Liquid Crystal Module, and WR, the RD of 89C51, P2.7 port link to each other with the E of Liquid Crystal Module by two Sheffer stroke gates and a phase inverter again simultaneously, plays the effect of enabling to Liquid Crystal Module.
Button S1 makes system play reset response; Button S2 has been the function conversion, and LED1 was bright when S2 pressed, and shows the size of full numerical value, unclamps the size that S2 shows current tested numerical value; Button S3 is 1 key that adds of setting full numerical values recited, and button S4 is 1 key that subtracts of setting full numerical values recited; The right-hand member of button S2, S3, S4 links to each other with P3.2, P1.7, the P1.6 port of 89C51 respectively; The P1.0 of 89C51, P1.1 are for driving the output port signal of load, and the output port of P1.0 connects the input of MC3041, drive load FZ2 again after MC3041 amplifies; The output port of P1.1 connects the input of MC3041, drives load FZ1 again after MC3041 amplifies; The P1.2 of 89C51, P1.3 output port are by two phase inverters difference driving LED 2 (Y), LED3 (R); The luminous combination of LED2 (Y), LED3 (R) directly indicates the fruit of special trait, and by driving mechanism it is separated.
When P0.0-P0.7 uses as the 89C51 delivery outlet, notice that the data 1 on its internal bus write D-latch, when P0.0-P0.7 uses as the 89C51 input port, note distinguishing " reading pin " and " read port ", read port be meant on the internal bus D-latch port Q and/Q, so P0.0-P0.7 two-way 8 the ternary I/O mouths that are 89C51 are least-significant byte address bus and data bus time-sharing multiplex mouth, can drive 8 LS type TTL load.ALE is the connectivity port of 89C51 output, and its function is that address latch allows, and when not visiting the outer lock storage, the frequency of ALE is F
OSC1/6.When P1.0-P1.7 used as the delivery outlet of 89C51, it need not connect on external circuit and draw resistance, and is inner existing because of it, when P1.0-P1.7 uses as the 89C51 input port, notice that the data 1 on its internal bus write D-latch.RXD is the serial input port of 89C51, and TXD is the serial delivery outlet of 89C51.
WR is the external data memory write gate delivery outlet of 89C51, and RD is the external data memory read gate delivery outlet of 89C51.
ADC0809 has 28 pin, and 8 tunnel simulating signal input pins are IN0, IN1, IN2, IN3, IN4, IN5, IN6, IN7; 8 way word signal output parts are D0, D1, D2, D3, D4, D5, D6, D7; They form the handoff functionality of 8 road analog signal channels A, B, C, ALE port, and ALE is that address latch allows, the switching of corresponding IN0～IN7 passages respectively of C, B, A=000～111; VR (+) is a reference voltage terminal, is generally+5V; VR (-) is a reference voltage terminal, is generally 0V; OE allows end for output; START is for starting A/D switching signal input end, and when START was 1, A/D changed beginning; EOC is the end end of A/D switching signal, after the end of A/D switching signal, sends a positive pulse, the end of expression A/D switching signal; CLK is a clock signal input terminal.
The pin explanation of LCD MODULE: V
SSBe grounding leg; V
DdBe the positive pin of power supply, 5V ± %; Vlcd is the liquid crystal drive voltage pin; RS is that register is selected pin, is 1 o'clock data register, is 0 o'clock command register; R/W is a read/write end pin, and 1 for reading, and 0 for writing; E is the Enable Pin pin, and negative edge triggers; Corresponding DB0～DB7 is 8 bit data stitches, plays the effect of data transmission.
All the other are with embodiment 1.
Claims (1)
1, a kind of portable fruit fast detector for nutrient is made up of light intensity controller (7), light source (1), focusing concave mirror (2), grating monochromator (3), optical signal acquisition device (4), optical signal data disposal system (5) and display (6); It is characterized in that: light intensity controller (7) is connected with light source (1), the both sides of the central axis that is positioned at focusing concave mirror (2) front end of light source (1) symmetry; Be distributed with fibre-optical probe (8), grating monochromator (3), optical signal acquisition device (4) on the light path between the rear end of focusing concave mirror (2) and the optical signal data disposal system (5) successively; Optical signal acquisition device (4) is connected with optical signal data disposal system (5) circuit; Optical signal data disposal system (5) is connected with display (6) circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620096560 CN2903976Y (en) | 2006-05-09 | 2006-05-09 | Portable fast tester for fruit nutrition components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620096560 CN2903976Y (en) | 2006-05-09 | 2006-05-09 | Portable fast tester for fruit nutrition components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2903976Y true CN2903976Y (en) | 2007-05-23 |
Family
ID=38079390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620096560 Expired - Fee Related CN2903976Y (en) | 2006-05-09 | 2006-05-09 | Portable fast tester for fruit nutrition components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2903976Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799401A (en) * | 2010-04-19 | 2010-08-11 | 华东交通大学 | Handheld near-infrared probe for nondestructive internal quality testing of fruit and detection method |
| CN103575690A (en) * | 2013-11-05 | 2014-02-12 | 中国科学院微电子研究所 | Fruit maturity detection system based on infrared gas sensor |
| CN105628648A (en) * | 2015-12-31 | 2016-06-01 | 深圳市芭田生态工程股份有限公司 | Method for measuring vitamin C in agricultural product by utilization of spectroscopic method |
-
2006
- 2006-05-09 CN CN 200620096560 patent/CN2903976Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799401A (en) * | 2010-04-19 | 2010-08-11 | 华东交通大学 | Handheld near-infrared probe for nondestructive internal quality testing of fruit and detection method |
| CN101799401B (en) * | 2010-04-19 | 2011-12-21 | 华东交通大学 | Handheld near-infrared probe for nondestructive internal quality testing of fruit and detection method |
| CN103575690A (en) * | 2013-11-05 | 2014-02-12 | 中国科学院微电子研究所 | Fruit maturity detection system based on infrared gas sensor |
| CN105628648A (en) * | 2015-12-31 | 2016-06-01 | 深圳市芭田生态工程股份有限公司 | Method for measuring vitamin C in agricultural product by utilization of spectroscopic method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070523 |