CN201352200Y - Detector for adulterated peanut oil - Google Patents
Detector for adulterated peanut oil Download PDFInfo
- Publication number
- CN201352200Y CN201352200Y CNU2009201058080U CN200920105808U CN201352200Y CN 201352200 Y CN201352200 Y CN 201352200Y CN U2009201058080 U CNU2009201058080 U CN U2009201058080U CN 200920105808 U CN200920105808 U CN 200920105808U CN 201352200 Y CN201352200 Y CN 201352200Y
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- peanut oil
- oil
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- adulterated
- detector
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Abstract
The utility model discloses a detector for adulterated peanut oil, which belongs to the field of analytic instrument. The detector comprises a shell; the surface of the shell is provided with a liquid crystal screen, a return key, an enter key, a page up key, a page down key, a power control switch, a power socket and an USB interface; the shell is internally provided with a microprocessor and a power supply which are electrically connected with all parts on the surface; the upper surface of the shell is also provided with a module cover; the lower space of the module cover in the shell is provided with a front processing module and a detection module; the front processing module comprises a heating body and a cuvette hole groove; and the detection module comprises an axial-flow fan, a cooling plate, a refrigerating plate and a cuvette hole groove. The detector for adulterated peanut oil can conveniently and agilely detect whether the peanut oil is adulterated or not as well as the adulteration ratio, and can implement quick on-site detection on peanut oil adulterated with colza oil, sunflower oil, corn oil, cotton oil, palm oil, soybean oil and the like.
Description
Technical field
The utility model belongs to field of analytic instrument, relate to a kind of easy, sensitive, on-the-spot rapid detection apparatus that detects adulterated peanut oil, be specifically related to be used for the scene peanut oil is mixed a kind of analytical instrument that rapeseed oil, sunflower oil, corn oil, cottonseed oil, palm oil and soybean oil carry out fast detecting.
Background technology
Peanut oil belongs to one of the highest edible oil of price with nutritious and celebrated on market.Under normal circumstances, it is faint yellow, transparent that peanut oil is, and color and luster is limpid, smell fragrance, and flavour is good to eat, is the edible oil that a kind of ratio is easier to digest.In peanut oil, contain the unsaturated fatty acid (wherein containing oleic acid 41.2%, linoleic acid 37.6%) more than 80%.But also contain saturated fatty acids such as palmitic acid, stearic acid and arachidic acid.In addition, also contain the material to the human body beneficial such as sterol, wheat germ phenol, phosphatide, vitamin E, choline in the peanut oil.By above-mentioned data as can be known, the fatty acid of peanut oil formation is relatively to be easy to human consumption absorb.According to the foreign data introduction, frequent edible peanut oil not only can make cholesterol in human body be decomposed into bile acid and excretes, thereby reduces content of cholesterol in the blood plasma.But also can prevent that wrinkled skin is aging, the protection vascular wall prevents thrombosis, helps prevention of arterial sclerosis and coronary heart disease.Choline in the peanut oil also can improve the memory function of human brain, delays brain function decline.In view of this, peanut oil is a kind of a kind of edible oil that health is highly profitable.Because interests drive, peanut oil is mingled and is remained incessant after repeated prohibition.
Peanut oil, rapeseed oil and palm oil, huge price difference between the soybean oil (present 10250 yuan of 1 ton of about Renminbi of peanut oil price on the market, Guangzhou, 5400 yuan of soybean oil prices, the price of rapeseed oil is 6150 yuan, the palm oil price is 4380 yuan) given illegal businessman opportunity, the unprincipled fellow mixes other vegetable oil in peanut oil, even all replace with other plant oil, only with the blending of micro-peanut oil essence, and the peanut oil that these are mingled is heard with common nose and refrigeration is difficult to differentiate, therefore, development is a kind of can differentiate that the detector of adulterated peanut oil is very necessary.
The utility model content
At the problems referred to above, fundamental purpose of the present utility model provide a kind of can be easy, quick, the on-the-spot express-analysis instrument that detects adulterated peanut oil.
For achieving the above object, the adulterated peanut oil detector that the utility model provides, has casing, the casing surface is provided with LCDs, return key, acknowledgement key, upturning key, downturning key, power control switch, supply socket and USB interface, be equiped with the microprocessor and the power supply that are electrically connected with each parts of surface in the casing, described casing upper surface also is provided with module lid, and casing inner module lid lower space is equipped with pre-processing module and detection module.
In the above-mentioned adulterated peanut oil detector, described pre-processing module comprises a main body and invests a calandria of its bottom that offer the cuvette hole slot of two upward openings on the described main body, a temperature sensor is installed in the side; Calandria all links to each other with the power supply electricity with microprocessor with temperature sensor.
Described detection module comprises an axial flow blower, a heat radiator, a cooling piece and a detection module main body from the bottom to top, and on the detection module main body, other sets up a temperature sensor; In the detection module main body, vertically offer the cuvette hole slot of two upward openings, and level is offered two through holes that intersect with the cuvette hole slot, through hole one end installing light source/monochromator, through hole other end installing photoelectric detector; Axial flow blower, heat radiator, cooling piece, temperature sensor, light source/monochromator and photoelectric detector all link to each other with the microprocessor electricity with power supply in the detection module.
Described bottom of shell is provided with air vent.
Installing one printer in the described casing, the printer exit slot is located at casing upper surface, and printer links to each other with the microprocessor electricity with power supply.
The utility model adopts technique scheme, and its distinguishing feature is:
1, adopt typical curve and typical curve storehouse comparison method, make easy and simple to handlely, the testing result intuitive is good.
2, adopt modular construction, instrument performance is more stable.
3, adopt microprocessor control, have measurement, setting, record, preservation and data processing function.Be provided with USB interface, with functions such as PC on-line communications.The automaticity height.
4, large-screen lc Chinese shows, the man-machine interactive operation, and volume is little, in light weight, easy to use.
The utility model can carry out fast detecting to the quality safety of peanut oil product.Can carry out field quick detection to mixing rapeseed oil, sunflower oil, corn oil, cottonseed oil, palm oil and soybean wet goods in the peanut oil.
Description of drawings
Fig. 1 is the utility model adulterated peanut oil detector main frame external structure synoptic diagram.
Fig. 2 is a pre-processing module structural representation in the utility model.
Fig. 3 is a detection module structural representation in the utility model.
Fig. 3 A looks cross-sectional view for a detection module agent structure left side among Fig. 3.
Fig. 4 is service part circuit in the utility model, light path annexation and principle of work synoptic diagram.
Fig. 5 is true peanut oil (certified products) photometric analysis canonical plotting in the utility model microprocessor.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
The adulterated peanut oil detecting instrument that the utility model proposes, the temperature of solidification that is based on peanut oil in the sample is different with the temperature of solidification of other edible oil of desiring to mix, and causing the degree difference that sees through of light is the different and a kind of analytical instrument set up of absorbance.
As shown in Figure 1, the utility model adulterated peanut oil detector has casing 1, and the upper surface of casing 1 is provided with LCDs 3, return key 41, acknowledgement key 42, upturning key 43, downturning key 44.Casing upper surface also is provided with module lid 2 and printer exit slot 5, and casing 1 side is provided with power control switch 6, supply socket 7 and USB interface 8, and bottom of shell is provided with the air vent (not shown).Be provided with the space in the casing 1 and be equiped with microprocessor, printer and power supply (referring to shown in Figure 4); Wherein, module lid 2 lower space are used to install pre-processing module 20 and detection module 30.
Referring to shown in Figure 2, the main body of pre-processing module 20 21 is made its attached PTC calandria 22 in bottom by metallic aluminum material, a temperature sensor 23 is installed in its side, the temperature sensor model is 18B20, also can not do special restriction at this for calandria or the temperature sensor with equal effect; Calandria 22 all links to each other with the power supply electricity with microprocessor with temperature sensor 23.Offer the cuvette hole slot 241 and 242 of two upward openings on main body 20, the cuvette that uses in hole slot 241 and 242 size and shape and the detection matches.During pre-processing module 20 work, with main body 21 heating, and the Temperature numerical of main body 21 is passed to microprocessor, main body 21 temperature are controlled at 40 ℃ by microprocessor by temperature sensor 23 by calandria 22.
As shown in Figure 3, be the utility model detection module 30, comprise an axial flow blower 31 from the bottom to top, heat radiator 32, the detection module main body 33 of a cooling piece 34 and a metallic aluminium prepared material, on detection module main body 33, other sets up temperature sensor (18B20) 35; In the utility model, temperature sensor, cooling piece, heat radiator, axial flow blower are the standard universal product, as long as integral body matches and can satisfy usability, do not do special restriction at this.In the detection module main body 33, vertically offer the cuvette hole slot 333,334 of two upward openings, the cuvette that uses in the size of cuvette hole slot and shape and the detection matches; Shown in Fig. 3 A, in detection module main body 33, level is offered two through holes that intersect with cuvette hole slot 333,334, through hole one end installing light source/monochromator 332,335, through hole other end installing photoelectric detector 336,331.In the detection module 30, axial flow blower 31, heat radiator 32, cooling piece 34, temperature sensor 35, light source/monochromator 332,335 and photoelectric detector 336,331 all link to each other with the microprocessor electricity with power supply 35.
During detection module 30 work, cooling piece 34 begins refrigeration, and the heat transferred heat radiator 32 of generation is shed heat by axial flow blower 31; By temperature sensor 35 Temperature numerical of detection module main body 33 is passed to microprocessor, detection module main body 33 is controlled at 3-4 ℃ by microprocessor.During detection, light source/monochromator 332,335 light sources as analytical instrument, light arrives photoelectric detector 336,331 by cuvette, is received the light signal that light source/monochromator sends and is passed to microprocessor by photoelectric detector.
Referring to Fig. 4, circuit, light path annexation and principle of work between the utility model service part have been described: after the instrument energized, with the testing sample cuvette of packing into, cuvette is put into the cuvette hole slot of pre-processing module, microprocessor control pre-processing module begins heating, keeps 40 ℃ of constant temperature of sample (by calandria and temperature sensor); The cuvette that sample will be housed is then put into the cuvette hole slot of detection module, microprocessor control detection module bodies temperature, and sample is at 3-4 ℃ (by axial flow blower, heat radiator, cooling piece and temperature sensor) when keeping detecting; During detection, the monochromatic light that light source/monochromator sends shines photoelectric detector after passing the sample of surveying cuvette in the module bodies, after photoelectric detector is converted to electric signal with detected light signal, be transferred to microprocessor, carry out data analysis and the result is shown by display screen or come out by printer prints by microprocessor.
In the utility model, light source/monochromator is the super bright light emitting diode of some, not only does light source but also make monochromator, has adopted the Japanese super bright light emitting diode that day is inferior and Toyota Company produces in the enforcement, and luminance parameter is more than 1000mcd.Wavelength is respectively 420nm.Light source/monochromator adopts continuously or the pulse mode power supply.This circuit is a custom circuit, is not described in detail in this.
Photoelectric detector has adopted American TI Company to produce the integrated electro sensor, and model is a TSL230 series.Certainly, the utility model also can adopt other to have the integrated electro sensor of equal effect.
Microprocessor is the ARM series that PHILIPS Co. produces, and its major parameter is 32 single-chip microcomputers, and internal storage 40K is loaded with spectrophotometric analysis software commonly used.The output signal that microprocessor mainly the receives photoelectric detector line data of going forward side by side is handled.But with light source/monochromator, photoelectric detector and microprocessor be the circuit of the spectrophotometric analysis instrument of core parts be connected and course of work application reference people before the introduction of ZL200620004295.0, do not repeat them here.
Further specify the method for utilizing adulterated peanut oil that the utility model adulterated peanut oil detector carries out to detect below in conjunction with concrete operations.
The cuvette that sample to be checked at first will be housed was put into 40 ℃ of heated at constant temperature of pre-processing module 10 minutes, and purpose is in order to realize the consistance of sample detection.Taking out the cuvette that sample to be checked is housed then puts into a constant temperature 3-4 ℃ detection module and detects.25 minutes detection times.Between detection period, along with temperature variation, the sample degree of condensing can change, and light absorption value can change thereupon; Photoelectric detector uninterruptedly passes to detection signal microprocessor and generates a detection curve (absorbance-time curve), certified products typical curve (referring to Fig. 5) and the various different ratio peanut oil curve comparison of mingling in this curve and the typical curve storehouse, can judge the ratio of the true and false and adulterated peanut oil of this sample peanut oil, and by display screen, printer or USB interface output.Data acquisition and processing procedure are finished automatically by microprocessor.
Claims (5)
1, a kind of adulterated peanut oil detector, has casing, the casing surface is provided with LCDs, return key, acknowledgement key, upturning key, downturning key, power control switch, supply socket and USB interface, be equiped with the microprocessor and the power supply that are electrically connected with each parts of surface in the casing, it is characterized in that: described casing upper surface also is provided with module lid, and casing inner module lid lower space is equipped with pre-processing module and detection module.
2, adulterated peanut oil detector according to claim 1 is characterized in that: described pre-processing module comprises a main body and invests a calandria of its bottom that offer the cuvette hole slot of two upward openings on the described main body, a temperature sensor is installed in the side; Calandria all links to each other with the power supply electricity with microprocessor with temperature sensor.
3, adulterated peanut oil detector as claimed in claim 1 or 2, it is characterized in that: described detection module comprises an axial flow blower, a heat radiator, a cooling piece and a detection module main body from the bottom to top, and on the detection module main body, other sets up a temperature sensor; In the detection module main body, vertically offer the cuvette hole slot of two upward openings, and level is offered two through holes that intersect with the cuvette hole slot, through hole one end installing light source/monochromator, through hole other end installing photoelectric detector; Axial flow blower, heat radiator, cooling piece, temperature sensor, light source/monochromator and photoelectric detector all link to each other with the microprocessor electricity with power supply in the detection module.
4, as adulterated peanut oil detector as described in the claim 3, it is characterized in that: described bottom of shell is provided with air vent.
5, as adulterated peanut oil detector as described in the claim 3, it is characterized in that: installing one printer in the described casing, the printer exit slot is located at casing upper surface, and printer links to each other with power supply and microprocessor electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058080U CN201352200Y (en) | 2009-02-18 | 2009-02-18 | Detector for adulterated peanut oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201058080U CN201352200Y (en) | 2009-02-18 | 2009-02-18 | Detector for adulterated peanut oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201352200Y true CN201352200Y (en) | 2009-11-25 |
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ID=41375588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201058080U Expired - Lifetime CN201352200Y (en) | 2009-02-18 | 2009-02-18 | Detector for adulterated peanut oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201352200Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010094167A1 (en) * | 2009-02-18 | 2010-08-26 | 长春吉大·小天鹅仪器有限公司 | Detector and method for adulterate peanut oil |
| CN103115883A (en) * | 2013-01-24 | 2013-05-22 | 重庆大学 | Sample detecting system of micro biochemical detection instrument |
| CN110257244A (en) * | 2019-04-23 | 2019-09-20 | 武汉观锐生物科技有限公司 | A kind of couveuse |
-
2009
- 2009-02-18 CN CNU2009201058080U patent/CN201352200Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010094167A1 (en) * | 2009-02-18 | 2010-08-26 | 长春吉大·小天鹅仪器有限公司 | Detector and method for adulterate peanut oil |
| CN101482494B (en) * | 2009-02-18 | 2011-05-25 | 长春吉大·小天鹅仪器有限公司 | Adulterated peanut oil detecting instrument and method thereof |
| CN103115883A (en) * | 2013-01-24 | 2013-05-22 | 重庆大学 | Sample detecting system of micro biochemical detection instrument |
| CN103115883B (en) * | 2013-01-24 | 2016-03-02 | 重庆大学 | Miniature bio-chemical detector specimen inspection system |
| CN110257244A (en) * | 2019-04-23 | 2019-09-20 | 武汉观锐生物科技有限公司 | A kind of couveuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |
|
| CX01 | Expiry of patent term |