CN2672647Y - Detecting instrument of rape sulfur and erucic acid - Google Patents
Detecting instrument of rape sulfur and erucic acid Download PDFInfo
- Publication number
- CN2672647Y CN2672647Y CN 03241295 CN03241295U CN2672647Y CN 2672647 Y CN2672647 Y CN 2672647Y CN 03241295 CN03241295 CN 03241295 CN 03241295 U CN03241295 U CN 03241295U CN 2672647 Y CN2672647 Y CN 2672647Y
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- erucic acid
- light path
- rape
- glycoside
- thio
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Abstract
The utility model relates to a measuring instrument to accurately measure the glucosinolates and erucic acid content in rapeseed. The measuring instrument comprises two optical measuring device composed of independent optical path, a data processing device composed of an A/D converter and a single chip machine and a measuring result output device connected with the single chip machine. The two independent measuring optical paths are a glucosinolates measuring optical path A1 and an erucic acid measuring optical path A2, and the output end of each measuring optical path is respectively connected with the A/D converter through a signal magnify device. The measuring instrument can rapidly measure the glucosinolates and erucic acid content at the same time, the measuring instrument has a small volume and is convenient to carry, so the measuring instrument can directly display the erucic acid and glucosinolates content result, and the measuring instrument is convenient to use on spot.
Description
Technical field
The utility model relates to a kind of instrument that rapeseed sulphur glucoside, content of erucic acid are measured accurately and fast that is used for, and its application can effectively promote the popularization and the development of double-low rapeseed, thereby improves the interior quality of rape.
Background technology
Rape is the first oil crops of China, and rapeseed oil accounts for 60% of China's edible vegetable oil total amount, and dregs of rapeseed cake then is the high-quality protein source of feed industry.The content of sulphur glucoside, erucic acid is an index estimating the rapeseed quality quality in the rapeseed.Quality rape is low sulfatide, low erucic acid rape, the common name double-low rapeseed.The rapeseed oil content of erucic acid that is pressed by double-low rapeseed is low, is of high nutritive value, and is of value to health; The content of sulphur glucoside is low in the dregs of rapeseed cake, and toxicity is low, the protein content height, and the amino acid Compositional balance is the forage protein source of high-quality.Thereby double-low rapeseed is the direction of current oil plant development.Yet, develop double-low rapeseed, the content of erucic acid, sulphur glucoside in the rapeseed is carried out fast, accurately measures is a considerable link.By erucic acid, glucosinolate content in the rapeseed being carried out fast, accurately measuring, double-low rapeseed and common rape accurately can be distinguished, carry out separately purchase, processing separately, realize the excellent usefulness of high-quality of double-low rapeseed.Prior art is to use distinct methods to the accurate mensuration of erucic acid, glucosinolate content in the rapeseed, and to divide come carries out.The gas chromatograph that can accurately measure content of erucic acid and the liquid chromatograph that can accurately measure glucosinolate content are arranged respectively on the market.These measurements cost an arm and a leg with instrument, need two instruments and usefulness, not only instrument cost height if measure when will realize erucic acid, sulphur glucoside, and mensuration program complexity, length consuming time, the expense height is unsuitable in the on-the-spot use of plantation wide, that detection limit is big and purchase that distributes.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of sulphur glucoside, erucic acid can realized to measure with machine fast at the deficiency of above-mentioned prior art existence, is convenient to on-the-spot rape thio-glycoside, the erucic acid measuring instrument that uses again.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is: include by two data processing equipments of independently measuring optical measuring device that light path forms, being made up of an A/D converter and a single-chip microcomputer, the measurement result output unit that links to each other with single-chip microcomputer, independently measure light path for the sulphur glucoside is measured light path A1, erucic acid is measured light path A2 for described two, the described output terminal of respectively measuring light path links to each other with described A/D converter by signal amplifying apparatus respectively.
According to technique scheme, described sulphur glucoside is measured light path A1 and is included light source, condenser lens, sample cell, color filter, silicon detector; Described erucic acid is measured light path A2 and is included light source, condenser lens, sample cell, silicon detector.Erucic acid, sulphur glucoside typical curve are housed in the described single-chip microcomputer in advance.
Design Mechanism of the present utility model is: on specificity exogenous enzymes and special-purpose developer reaction assay sulphur glucoside and the basis with the technical research of turbidimetry for Determination erucic acid, technological means such as integrated modern light, mechanical, electrical, computing machine, the reactant that generates after sample enzyme reaction and the turbid reaction is quantized and directly expression fast, reach the purpose that speed is surveyed sulphur glucoside, content of erucic acid.Particularly, sulphur glucoside mensuration light path A1 designs according to the long spectrophotometric method of standing wave in the determinator of the present utility model.If will measure glucosinolate content, coloured product that sulphur glucoside and enzyme-specific in the rapeseed to be measured and special-purpose developer reaction back is generated is inserted the sulphur glucoside and is measured sample cell among the light path A1, the light beam line focus lens focus that light source sends, pass the coloured product in the sample cell after color filter arrives silicon detector, silicon detector is according to the corresponding electric signal of the strong and weak generation of absorbing light, electric signal is imported data processing equipment by signal amplifying apparatus, through single-chip microcomputer handle and with the contrast of sulphur glucoside typical curve after, just exportable sulphur glucoside measurement result reaches sulphur glucoside speed and surveys purpose; Erucic acid is measured light path A2 and is designed according to the diffuse reflection turbidimetry, if will measure content of erucic acid, the reactant that the turbid reaction back of erucic acid in the rapeseed to be measured the is generated erucic acid of packing into is measured sample cell among the light path A2, the light beam line focus lens focus that light source sends, the reactant that passes in the sample cell arrives silicon detector through refraction, silicon detector is according to the strong and weak corresponding electric signal that produces that diffuses, electric signal is imported data processing equipment by signal amplifying apparatus, through single-chip microcomputer handle and with the contrast of erucic acid typical curve after, just exportable erucic acid measurement result reaches erucic acid speed and surveys purpose.
The beneficial effect that the utility model is obtained is: 1, the utility model comprises two and independently measures light path, has realized with chemical method the same machine of erucic acid, sulphur glucoside being measured, and has simplified operation, has accelerated test speed; 2, because the utility model is exclusively used in the fast measuring of erucic acid, glucosinolate content, instrument performance is stable, and measurement result is accurate, is specially adapted to the test of branded oil vegetable seed index of quality erucic acid, sulphur glucoside; 3, the utility model is by optimizing light path design, and systematization is integrated, and volume is less, is convenient for carrying and can directly shows the content results of output erucic acid, sulphur glucoside, is convenient to use at the scene, has strengthened practicality.
Description of drawings
Fig. 1 is the structural drawing of facing of the utility model embodiment.
Fig. 2 is the structure principle chart of the utility model embodiment.
Fig. 3 is the light path principle figure of A1 among Fig. 2.
Fig. 4 is the light path principle figure of A2 among Fig. 2.
Fig. 5 is the circuit connection diagram between signal amplifying apparatus and A/D converter among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
As shown in Figure 2, present embodiment structurally includes optical measuring device, signal amplifying apparatus, data processing equipment, measurement result output unit, and device such as keyboard 3.Present embodiment is to adopt different optical textures to realize that the same machine of erucic acid, sulphur glucoside measures, and described optical measuring device comprises two covers and independently measures light path, is respectively the sulphur glucoside and measures light path A1 and erucic acid mensuration light path A2; Described signal amplifying apparatus comprises two groups of amplifying circuits; Described data processing equipment comprises-an A/D conversion chip and a single-chip microcomputer; Described measurement result output unit includes display 1, printer 2.Described sulphur glucoside is measured light path A1 and is linked by the A/D conversion chip in one group of signal amplifying circuit and the data processing equipment, erucic acid is measured light path A2 and is linked by the A/D conversion chip in other one group of signal amplifying circuit and the data processing equipment, display 1 in the measurement result output unit, the single-chip microcomputer in printer 2 and the data processing equipment links.
As shown in Figure 3, described sulphur glucoside is measured light path A1 and is included light source, condenser lens, sample cell, color filter, silicon detector.Light source is installed in the place ahead of condenser lens, and sample cell is installed between condenser lens and the color filter, and the color filter rear is a silicon detector.As shown in Figure 4, described erucic acid is measured light path A2 and is included light source, condenser lens, sample cell, silicon detector, condenser lens is installed between light source and the sample cell, and silicon detector is installed in the sample cell side, makes that light source, sample cell, silicon detector three are that drift angle is 90 ℃ of arrangements with the sample cell.Design independently two cover mensuration light path purposes is to make it not disturb mutually.Two light sources all adopt the 12W tungsten lamp, and its power supply can be used high-precision integrated stable voltage circuit, guarantee the stability of instrument itself.Structurally, two light sources can both be guaranteed accurately to focus, and its three-dimensional coordinate can both be regulated separately and lock.It is in order to obtain high-quality parallel beam that condenser lens is set in the present embodiment.Sample cell and sample cell are used for placing the reactant that generates after enzyme reaction of rapeseed sample and the turbid reaction respectively.The color filter that the sulphur glucoside is measured among the light path A1 adopts the 490nm color filter.Silicon detector in two light paths all uses photoelectric cell, light signal can be changed into current signal.Because temperature directly influences the erucic acid measurement result, the present embodiment erucic acid measure taked in the light path heat insulation, ventilate and reduce the heat radiation measure to keep the relatively stable of temperature.For reducing reflection of light and spuious, whole light paths are handled the aluminium manufacturing with special surface in the present embodiment, and the surperficial blackness of light path element is very high.Erucic acid working sample pond adopts high extinction effect material to make, to reduce the background current potential of silicon photocell.
In the present embodiment in the signal amplifier device signal amplifier model be the TLC4502 that U.S. TEXAS company produces, but belong to self calibration, low noise, high-precision integrated operational amplifier.
The model that A/D converter in the present embodiment in the data processing equipment adopts U.S. TEXAS company to produce is 10 A/D conversion chips of TLC1542, the model that single-chip microcomputer adopts U.S. ATMFL company to produce is the single-chip microcomputer of AT89C55, erucic acid, sulphur glucoside typical curve are housed in the single-chip microcomputer in advance, can carry out necessary processing to all measurement data and comprise with erucic acid, sulphur glucoside typical curve and comparing.
Display 1 in the present embodiment in the measurement result output unit has adopted dot matrix graphic lcd DG-16080, available Chinese character directly shows glucosinolate content (μ mol/g), content of erucic acid (%), printer 2 has adopted MP-A40 Chinese character printer and Japanese Epson M-16 printhead, can be with the direct printout of measurement result.Certainly, the utility model also can only dispose display 1.
As shown in Figure 5, signal amplifying apparatus comprises two groups of signal amplifying circuits in the present embodiment.U
1A, U
1B is a sulphur glucoside sense channel signal amplifier, adjustable resistance RP
1Be used for regulating enlargement factor, form sulphur glucoside sense channel signal amplifying circuit with R1～R6, C1, C2; U
2A, U
2B is an erucic acid sense channel signal amplifier, adjustable resistance RP
2Be used for regulating enlargement factor, form erucic acid sense channel signal amplifying circuit with R7～R12, C3, C4.Two groups of signal amplifying circuits respectively use a simulating signal port and A/D conversion chip TLC1542 to join, and are respectively A
0, A
1Port.LM385 is accurate voltage stabilizing chip, for the A/D conversion chip provides accurate reference voltage.
Claims (7)
1. rape thio-glycoside erucic acid tacheometer, it is characterized in that including by two data processing equipments of independently measuring optical measuring device that light path forms, forming by an A/D converter and a single-chip microcomputer, the measurement result output unit that links to each other with single-chip microcomputer, independently measure light path for the sulphur glucoside is measured light path A1, erucic acid is measured light path A2 for described two, the described output terminal of respectively measuring light path A1, A2 links to each other with described A/D converter by signal amplifier respectively.
2. by the described rape thio-glycoside erucic acid of claim 1 tacheometer, it is characterized in that described sulphur glucoside mensuration light path A1 includes light source, condenser lens, sample cell, color filter, the silicon detector that is arranged in order.
3. by the described rape thio-glycoside erucic acid of claim 1 tacheometer, it is characterized in that described erucic acid mensuration light path A2 includes light source, condenser lens, sample cell, the silicon detector that is arranged in order, wherein light source, sample cell, silicon detector three are that drift angle is 90 ℃ of arrangements with the sample cell.
4. by the described rape thio-glycoside erucic acid of claim 1 tacheometer, it is characterized in that being equipped with in advance in the described single-chip microcomputer erucic acid, sulphur glucoside typical curve.
5. by claim 2 or 3 described rape thio-glycoside erucic acid tacheometers, it is characterized in that described silicon detector is photoelectric cell.
6. by the described rape thio-glycoside erucic acid of claim 1 tacheometer, it is characterized in that described measurement result output unit is a display.
7. by the described rape thio-glycoside erucic acid of claim 1 tacheometer, it is characterized in that described measurement result output unit is display and printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03241295 CN2672647Y (en) | 2003-04-17 | 2003-04-17 | Detecting instrument of rape sulfur and erucic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03241295 CN2672647Y (en) | 2003-04-17 | 2003-04-17 | Detecting instrument of rape sulfur and erucic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2672647Y true CN2672647Y (en) | 2005-01-19 |
Family
ID=34473200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03241295 Expired - Fee Related CN2672647Y (en) | 2003-04-17 | 2003-04-17 | Detecting instrument of rape sulfur and erucic acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2672647Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832925A (en) * | 2010-05-18 | 2010-09-15 | 浙江大学 | Method and system for quickly detecting content of erucic acid in rapeseed |
| CN101858862A (en) * | 2010-05-18 | 2010-10-13 | 浙江大学 | Method and system for quickly detecting thioglycoside content of rape seeds |
| CN102692387A (en) * | 2012-06-15 | 2012-09-26 | 南京农业大学 | Method for determining total content of glucosinolates in plants |
-
2003
- 2003-04-17 CN CN 03241295 patent/CN2672647Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832925A (en) * | 2010-05-18 | 2010-09-15 | 浙江大学 | Method and system for quickly detecting content of erucic acid in rapeseed |
| CN101858862A (en) * | 2010-05-18 | 2010-10-13 | 浙江大学 | Method and system for quickly detecting thioglycoside content of rape seeds |
| CN101832925B (en) * | 2010-05-18 | 2011-05-11 | 浙江大学 | Method and system for quickly detecting content of erucic acid in rapeseed |
| CN102692387A (en) * | 2012-06-15 | 2012-09-26 | 南京农业大学 | Method for determining total content of glucosinolates in plants |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |