CN202583065U - Device for quickly detecting illegal cooking oil - Google Patents
Device for quickly detecting illegal cooking oil Download PDFInfo
- Publication number
- CN202583065U CN202583065U CN 201220236882 CN201220236882U CN202583065U CN 202583065 U CN202583065 U CN 202583065U CN 201220236882 CN201220236882 CN 201220236882 CN 201220236882 U CN201220236882 U CN 201220236882U CN 202583065 U CN202583065 U CN 202583065U
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- temperature control
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Abstract
The utility model relates to a device for quickly detecting illegal cooking oil. The device comprises a signal measurement device, wherein the signal measurement device comprises at least one pair of excitation light sources and at least one pair of light receiving elements and is used for measuring the light transmittance of a sample; a sample test pipe is arranged in a temperature control cavity; the output end of a refrigeration liquid tank is connected with the temperature control cavity through a pipeline by a valve; a temperature control module of a temperature measurement and control device outputs a signal to control the valve to be opened and closed and can measure temperature in the temperature control cavity in real time through a temperature measurement sensor; a signal processing module respectively receives output signals of the light receiving elements and the temperature measurement sensor, records the temperature and the light transmittance rate, performs data processing and outputs relevant results of the temperature and the light transmittance. According to the characteristic that the animal fat content in qualified edible oil is different from that in the illegal cooking oil, the device can quickly, accurately and conveniently judge the property of oil to be detected in real time by detecting a light transmittance signal relevant to the oil under different temperature conditions.
Description
Technical field
The utility model relates to a kind of waste oil device for fast detecting; Be particularly related to a kind of animal tallow in certified products edible oil and the waste oil (saturated fat and unsaturated fat) content different features of utilizing; Through detecting under the condition of different temperatures; The transmittance signal that oil product is relevant, realization are judged the pick-up unit of the character of oil product to be checked fast, accurately, conveniently, in real time.
Background technology
So-called " waste oil " is meant that meal kitchen garbage grease serves as edible oil once more through after the processed, and be very big to human health damage.
Before the utility model was made, Chinese invention patent (CN102004082A) disclosed a kind of waste oil method for quick, and it comprises suction pipe, at least two group luminotron and the receiving tubes of measured oil sensing chamber one side in the closure casing; Suction pipe communicates with measured oil sensing chamber through sucking pump, one group of luminotron and receiving tube one one receipts on same optical axis, the light absorption that is used to measure measured oil; Another group luminotron and receiving tube with less than 90 angles of spending in measured oil sensing chamber one side; Be used to measure the light scattering of measured oil, when the operating switch of pressing the housing upper end, the sucking pump in the housing is opened work; The outer suction pipe of housing is aimed at oil to be detected; Oil to be detected is sucked measured oil sensing chamber, and behind the height that oil to be detected is set to measured oil sensing chamber, testing circuit control luminotron goes out the light of certain wavelength to fry dried food ingredients to be detected; Receiving tube through opposite side receives, and testing circuit will detect, analyze the receiving tube signal.This technical scheme is different according to the penetrability of tested oil product and light absorption and qualified edible oil, reaches the purpose of fast detecting, but this spectrometric method has the requirement of strictness to the environment of use, and the instrument price is higher.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that prior art exists, and provides a kind of ability to judge the pick-up unit of oil product to be checked fast, accurately, conveniently, in real time.
The technical scheme of the utility model is: a kind of waste oil device for fast detecting is provided, comprises temperature control chamber, refrigeration flow container and temperature measurement and control instrument; Described signal measurement apparatus comprises at least 1 pair of excitation source and photo detector, is used for the transmittance of measuring samples; Sample tube places in the temperature control chamber, and the output terminal of refrigeration flow container is connected with the temperature control chamber through valve through pipeline; Described temperature measurement and control instrument comprises temperature-measuring module, temperature control modules and signal processing module, the switching of the output signal controlling valve of temperature control modules; Temperature-measuring module is measured the temperature in the temperature control chamber in real time through sensor for measuring temperature; Signal processing module receives the output signal of photo detector and sensor for measuring temperature respectively; Record temperature and transmittance carry out data processing, the correlated results of output temperature and transmittance.
Described excitation source is two spectrum.
The principle of the pick-up unit foundation that the utility model provides is: in certified products edible oil and the waste oil because the content of animal tallow is different; Its temperature profile and spectral signature exist evident difference; Under identical temperature conditions, its form different features is employed in the process that temperature descends the utility model according to certified products edible oil and waste oil; Sample solidifies gradually; Through the transmittance of test sample, form and get curve, thereby animal tallow has or not and content in the judgement detection oil sample with temperature variation.
Compare with existent technique, the beneficial effect of the utility model is:
1, utilize the exciting light of two kinds of different wave lengths to survey the absorptivity of sample to light, the transmittance of sample reduces gradually in the progressive formation that temperature descends, and forms gradient ramp, and the result accurately, intuitively.
2, the grease parametric line that detects in real time the known name of an article of storage in the curve that obtained and the machine compares; The mode of employing curve can be understood tested oil sample intuitively and whether contain animal tallow and content thereof, can realize fast, judge accurately, conveniently, in real time oil product to be checked.
Description of drawings
Fig. 1 is the structural representation of a kind of waste oil device for fast detecting of providing of the utility model embodiment;
Fig. 2 is transmitance and the curve map of temperature variation correlativity of light of the different wave length of the detection device records that provides of the utility model embodiment;
Wherein, 1, sample tube; 2., temperature control chamber; 3, photo detector; 4, temperature measurement and control instrument; 5, testing sample; 6, refrigeration flow container; 7, valve; 8, excitation source (two spectrum).
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model technical scheme is done further to set forth.
Embodiment 1
Referring to accompanying drawing 1; It is the structural representation of the waste oil device for fast detecting that provides of present embodiment; In the present embodiment, signal measurement apparatus comprises that 1 pair of spectrum is respectively the two excitation of spectra light sources 8 and photo detector 3 of 850nm and 440nm, the transmittance of measuring samples; The sample tube 1 that testing sample 5 is housed places in the temperature control chamber 2, and the output terminal of refrigeration flow container 6 is connected with temperature control chamber 2 through cold-producing medium valve 7 through pipeline; Temperature measurement and control instrument 4 comprises temperature-measuring module, temperature control modules and signal processing module, the switching of the output signal controlling cold-producing medium valve 7 of temperature control modules; Temperature-measuring module is measured the temperature in the temperature control chamber 2 in real time through sensor for measuring temperature, and signal processing module receives the output signal of photo detector 3 and sensor for measuring temperature respectively, record, processing and the output temperature function curve relevant with transmittance.
In the present embodiment, using snow kind with automobile jar serves as the refrigeration flow container, and the glass test tube of getting internal diameter and be 8mm, length and be 60mm is a sample tube, inserts port earlier and has in the rubber seal ring temperature control chamber, measures the background values of the transmittance of this glass test tube.Then, inject the doubtful sample of waste oil of 4/5 capacity, the detection starting program selects corresponding known parameters curve display in the operation screen.Temperature controller is opened gas filling valve gradually, and refrigerating fluid charges in the chamber gradually in will avenging kind jar, and temperature decreases, and rate of temperature fall is 1 ℃/S, and two kinds of light sources see through sample, arrive photo detector.Every reduction detects a transmittance for 1 ℃, adopts two excitation of spectra light sources, can write down two measured values simultaneously, and data show on the operation screen, are depicted as curve.Solidify until grease, transmittance is near minimum.Do the normalization processing, the output testing result to detecting the data that obtain.
Referring to accompanying drawing 2, it is the curve map of the light of the pick-up unit that provides of present embodiment different wave length of record when measuring through the transmitance and the temperature variation correlativity of sample; Among the figure, curve a and b are respectively standard oil to the temperature variant transmittance curve of the light of 440nm and 850nm; Curve c and d are respectively oil product to be measured to the temperature variant transmittance curve of the light of 440nm and 850nm.Each curve by among Fig. 2 can find out that doubtful sample and standard grease are along with variation of temperature, and their light transmittance has tangible difference, and this fast detecting result can give the auxilliary card of administrative authority as doubtful waste oil sample qualitative discrimination.
Claims (2)
1. a waste oil device for fast detecting is characterized in that: comprise temperature control chamber, refrigeration flow container and temperature measurement and control instrument; Described signal measurement apparatus comprises at least 1 pair of excitation source and photo detector, is used for the transmittance of measuring samples; Sample tube places in the temperature control chamber, and the output terminal of refrigeration flow container is connected with the temperature control chamber through valve through pipeline; Described temperature measurement and control instrument comprises temperature-measuring module, temperature control modules and signal processing module, the switching of the output signal controlling valve of temperature control modules; Temperature-measuring module is measured the temperature in the temperature control chamber in real time through sensor for measuring temperature; Signal processing module receives the output signal of photo detector and sensor for measuring temperature respectively; Record temperature and transmittance carry out data processing, the correlated results of output temperature and transmittance.
2. a kind of waste oil device for fast detecting according to claim 1 is characterized in that: excitation source is two spectrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220236882 CN202583065U (en) | 2012-05-24 | 2012-05-24 | Device for quickly detecting illegal cooking oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220236882 CN202583065U (en) | 2012-05-24 | 2012-05-24 | Device for quickly detecting illegal cooking oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583065U true CN202583065U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220236882 Expired - Fee Related CN202583065U (en) | 2012-05-24 | 2012-05-24 | Device for quickly detecting illegal cooking oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202583065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661934A (en) * | 2012-05-24 | 2012-09-12 | 苏州大学 | Device and method thereof for rapidly detecting swill-cooked dirty oil |
| CN103267760A (en) * | 2013-05-17 | 2013-08-28 | 无锡中德伯尔生物技术有限公司 | Method and kit for detecting illegal cooking oil |
-
2012
- 2012-05-24 CN CN 201220236882 patent/CN202583065U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661934A (en) * | 2012-05-24 | 2012-09-12 | 苏州大学 | Device and method thereof for rapidly detecting swill-cooked dirty oil |
| CN103267760A (en) * | 2013-05-17 | 2013-08-28 | 无锡中德伯尔生物技术有限公司 | Method and kit for detecting illegal cooking oil |
| CN103267760B (en) * | 2013-05-17 | 2014-12-31 | 无锡中德伯尔生物技术有限公司 | Method and kit for detecting illegal cooking oil |
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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 |
Granted publication date: 20121205 Termination date: 20150524 |
|
| EXPY | Termination of patent right or utility model |