CN203732447U - Portable quick detection device for edible oil quality safety monitoring - Google Patents
Portable quick detection device for edible oil quality safety monitoring Download PDFInfo
- Publication number
- CN203732447U CN203732447U CN201420053129.4U CN201420053129U CN203732447U CN 203732447 U CN203732447 U CN 203732447U CN 201420053129 U CN201420053129 U CN 201420053129U CN 203732447 U CN203732447 U CN 203732447U
- Authority
- CN
- China
- Prior art keywords
- light path
- light
- photomultiplier
- lens
- path tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000008157 edible vegetable oil Substances 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 title abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 23
- 229910052805 deuterium Inorganic materials 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000010453 quartz Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229930195730 Aflatoxin Natural products 0.000 description 3
- XWIYFDMXXLINPU-UHFFFAOYSA-N Aflatoxin G Chemical compound O=C1OCCC2=C1C(=O)OC1=C2C(OC)=CC2=C1C1C=COC1O2 XWIYFDMXXLINPU-UHFFFAOYSA-N 0.000 description 3
- 239000005409 aflatoxin Substances 0.000 description 3
- 238000004737 colorimetric analysis Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- OQIQSTLJSLGHID-WNWIJWBNSA-N aflatoxin B1 Chemical compound C=1([C@@H]2C=CO[C@@H]2OC=1C=C(C1=2)OC)C=2OC(=O)C2=C1CCC2=O OQIQSTLJSLGHID-WNWIJWBNSA-N 0.000 description 1
- 239000002115 aflatoxin B1 Substances 0.000 description 1
- 229930020125 aflatoxin-B1 Natural products 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a portable quick detection device for edible oil quality safety monitoring, which comprises a light path cylinder, a light source, a lens set, a fluorescence tank, an optical filter, a photomultiplier tube protecting cover and a photomultiplier tube, wherein the light source and fluorescence tank are installed at both ends of the light path cylinder; the lens set is installed in the middle part of the light path cylinder; the photomultiplier tube is installed in the photomultiplier tube protecting cover; the photomultiplier tube protecting cover is installed on one side of the light path cylinder; and the optical filter is arranged on the light path between the photomultiplier tube protecting cover and light path cylinder. The light emitted by the light source is transmitted by the condensation cylinder, and such wrapping-type light path system integrates the light source and detector with the light path part, so the dissipation of light energy is avoided, and the operation can be implemented without dark room conditions; and since the detachable lens accessory and replaceable optical filter accessory are arranged, the corresponding accessory module can be replaced or disassembled according to actual conditions, so the detection device is simple to operate and can satisfy detection demands of different projects.
Description
Technical field
The utility model relates to a kind of fluorescence measurement instrument field and food security fast detecting field, particularly relates to a kind of portable device for fast detecting for edible oil quality safety monitoring.
Background technology
Detection index common in edible oil has benzopyrene, aflatoxin, acid value, peroxide value etc., the content of benzopyrene and aflatoxin B1 is the important indicator of monitoring edible oil quality safety, realization is to avoid one of important means flowing at interior poor oil containing waste oil consumption market to the detection of the two, has the important meaning that ensures people's livelihood edible oil safety.The content of benzopyrene from edible oil and aflatoxin is generally all very low, and wherein benzopyrene content must not be higher than 10 μ g/kg, and the content of aflatoxin must not be higher than 20 μ g/kg, as long as low dosage just can cause human body poisoning or carcinogenic.Current existing detection technique mainly contains: the one, and traditional colourimetry, can only realize wherein the detection of certain or certain several edible oil index, and detection time is longer, detection sensitivity is inadequate, do not reach country's requirement of limiting the quantity of, and complex operation, cannot realize field quick detection.Traditional colourimetry cannot realize the detection to low dosage, therefore need to find a kind of field quick detection realizing low dosage material; The 2nd, fluorescence spectrophotometry, existing Fluorescence spectrophotometer can be realized the detection to low dosage material really, but because it is bulky, weight is large, carries inconvenience, cannot realize on-the-spot fast detecting; The method such as the 3rd, HPLC, GC, this method large-scale instrument used can be realized the accurate test to low trace materials, but is subject to equally the restriction of its volume, weight etc., and needs professional to operate, and cannot realize portable fast detecting.
Utility model content
The purpose of this utility model is to provide a kind of portable device for fast detecting for edible oil quality safety monitoring easy and simple to handle, portable.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of portable device for fast detecting for edible oil quality safety monitoring, and it comprises light path tube, light source, lens combination, fluorescence pond, optical filter, photomultiplier protective cover, photomultiplier; Described light source is arranged on one end of light path tube, and fluorescence pond is embedded in the other end of light path tube, and lens combination is arranged on the middle part of light path tube removably; Described photomultiplier is arranged in photomultiplier protective cover and faces toward the light path entrance of photomultiplier protective cover, and photomultiplier protective cover is arranged on a side of light path tube, and the light path entrance of photomultiplier protective cover communicates with the outlet of light path tube light path; Described optical filter is arranged in the light path between photomultiplier protective cover and light path tube in removable mode.
Described light path tube has a through hole that runs through total length; Described light source comprises deuterium lamp heating radiator and deuterium lamp, and deuterium lamp is airtight to be nested with in deuterium lamp heating radiator, on deuterium lamp heating radiator, offers light hole, and this light hole communicates with through hole one end of light path tube; Described lens combination consists of two groups of lens, and two groups of lens intervals are plugged on light path tube middle part; The light signal of described deuterium lamp is through the through hole in light path tube, and the light path entrance of the lens in lens combination, fluorescence pond, the outlet of light path tube light path, optical filter, photomultiplier protective cover is sent on photomultiplier, thereby light signal is converted into electric signal.
Described lens combination is comprised of ultraviolet quartz lens and lens fixing pluge; Described ultraviolet quartz lens is arranged in lens fixing pluge.
Described optical filter is comprised of narrow band pass filter and optical filter fixing pluge; Described narrow band pass filter is arranged in optical filter fixing pluge.
Adopt after such scheme, because the utility model is mainly comprised of light path tube, light source, lens, optical filter, fluorescence pond and photomultiplier etc., adopt the fluorescence light path tube of autonomous Design, the light that light source is sent transmits by light collecting barrel, can avoid light to spread to surrounding, avoid energy to scatter and disappear.Light focuses on by ultraviolet quartz lens in light path tube, makes light beam enter the cuvette in fluorescence pond by entering perforation, excites material to produce fluorescence signal, and the fluorescence sending is received by detecting device through narrow band pass filter, is converted into electric signal, thereby is detected.Packaging type light path system is by light source and detecting device and light path part formation one, avoided scattering and disappearing of luminous energy, without dark room conditions, can operate, be provided with plug type lens accessory and changeable type optical filter accessory simultaneously, can change or dismantle corresponding accessory module according to actual conditions, easy and simple to handle, can meet the detection demand of disparity items.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model;
Fig. 2 is that Fig. 1 is along the cut-open view of A-A line;
Fig. 3 is that Fig. 1 is along the cut-open view of B-B line;
Fig. 4 is the utility model light path schematic diagram.
Embodiment
As shown in Figure 1-Figure 3, the utility model is a kind of portable device for fast detecting for edible oil quality safety monitoring, and it comprises light path tube 1, light source 2, lens combination 3, fluorescence pond 4, optical filter 5, photomultiplier protective cover 6, photomultiplier 7.
Described light path tube 1 has a through hole 11 that runs through total length.
Described light source 2 comprises deuterium lamp heating radiator 21 and deuterium lamp 22.Deuterium lamp 22 is airtight to be nested with in deuterium lamp heating radiator 21, offers light hole 211 on deuterium lamp heating radiator 21, and this light hole 211 communicates with through hole 11 one end of light path tube 1; The deuterium lamp 22 of described light source 2 is arranged on one end of light path tube, and fluorescence pond 4 is arranged on the other end of light path tube 1 through hole 11.
Described lens combination 3 consists of two groups of lens 31,32.Described lens 31 are comprised of ultraviolet quartz lens 311 and lens fixing pluge 312, and ultraviolet quartz lens 311 is arranged in lens fixing pluge 312.Lens 31 scioptics fixing pluges 312 are plugged on through hole 11 middle parts of light path tube 1 removably.Lens 32 structures are identical with lens 31, and it is comprised of ultraviolet quartz lens 321 and lens fixing pluge 322, and lens 32 are plugged on through hole 11 middle parts of light path tube 1 and are kept at a certain distance away with lens 31 by the lens fixing pluge 322 on it.
Described photomultiplier 7 is arranged in photomultiplier protective cover 6 by photomultiplier fixing pluge 71 and faces toward the light path entrance of photomultiplier protective cover 6; photomultiplier protective cover 6 is arranged on a side of light path tube 1, and the light path entrance of photomultiplier protective cover 6 communicates with the outlet of light path tube light path.Described optical filter 5 is comprised of narrow band pass filter 51 and optical filter fixing pluge 52; Described narrow band pass filter 51 is arranged in optical filter fixing pluge 52.Described narrow band pass filter 51 is plugged in the light path between photomultiplier protective cover 6 and light path tube 1 by optical filter fixing pluge 52.
Through hole 11, cuvette 41 fluorescence pond 4 in, light path tube 1 light path of the light signal of described deuterium lamp 22 in light path tube 1 exports, the light path entrance of photomultiplier protective cover 6 is sent on photomultiplier 7, and light signal is converted into electric signal.
Principle of work of the present utility model:
As shown in Figure 4, the light that light source 2 deuterium lamps 22 in light path send, light hole 211 on deuterium lamp heating radiator 21 enters the through hole 11(light path major trough of light path tube 1) in, successively through the lens 31,32 in lens combination 3, focused on, light beam after focusing enters fluorescence pond 4, be radiated at the test substance in quartz colorimetric utensil 41, test substance is excited, the fluorescence sending and the opposite side of other parasitic lights through fluorescence pond 4 send, narrow band pass filter 5 through specific wavelength filters, by photomultiplier 7, received, thereby light signal is converted into electric signal.
It should be noted that: deuterium lamp heating radiator 21 adopts aluminium material, three design special heat-radiating sheets, play good thermolysis, in conjunction with 2 special-purpose maglev fans, in heating radiator bottom, with side, dispel the heat simultaneously, internal heat air-flow is discharged to instrument by fan, both can play radiating effect, the noise jamming of greatly having avoided conventional fan to bring again; Deuterium lamp 22 is as continuous light source, and the light of launching is contained the continuous wavelength of ultraviolet-visible district scope, can inspire fluorescence signal to the material of different excitation wavelengths, is applicable to the expansion of subsequent project; Lens fixing pluge 312,322 adopts particular design, lens 31,32 not only can be fixed on plug-in unit but also can free plug, for convenience detach, is convenient to meet the demand of different test items, and plug-in unit closely cooperates with light path tube 1 simultaneously, avoids light leak, assurance dark room conditions; Optical filter fixing pluge 52 designs are identical with lens fixing pluge 312,322, are convenient to client when carrying out disparity items detection, change the optical filter of different wave length; The through hole 11(light path major trough of light path tube 1) adopt closed design, form dark room conditions, avoid too much the scattering and disappearing of light energy in communication process, each card address is fixed simultaneously, avoids, because plug causes position deviation, causing the problems such as light path is inaccurate; Photomultiplier 7, as detecting device, has improved detection sensitivity greatly, makes to detect to reach μ g/kg rank.The fluorescence detecting system of the independent research that the utility model relates to, has simplified light channel structure greatly, makes detecting instrument be tending towards miniaturization, is easy to carry, and is suitable for field quick detection.
Emphasis of the present utility model is just: closed parcel light path tube, light source is connected with photomultiplier, and without dark room conditions, can avoid the loss of energy of light source and the interference of external light source, guarantee that multiparameter detects.
The above, it is only the utility model preferred embodiment, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (3)
1. for a portable device for fast detecting for edible oil quality safety monitoring, it is characterized in that: it comprises light path tube, light source, lens combination, fluorescence pond, optical filter, photomultiplier protective cover, photomultiplier; Described light source is arranged on one end of light path tube, and fluorescence pond is embedded in the other end of light path tube, and lens combination is arranged on the middle part of light path tube removably; Described photomultiplier is arranged in photomultiplier protective cover and faces toward the light path entrance of photomultiplier protective cover, and photomultiplier protective cover is arranged on a side of light path tube, and the light path entrance of photomultiplier protective cover communicates with the outlet of light path tube light path; Described optical filter is arranged in the light path between photomultiplier protective cover and light path tube.
2. the portable device for fast detecting for edible oil quality safety monitoring according to claim 1, is characterized in that: described light path tube has a through hole that runs through total length; Described light source comprises deuterium lamp heating radiator and deuterium lamp, and deuterium lamp is airtight to be nested with in deuterium lamp heating radiator, on deuterium lamp heating radiator, offers light hole, and this light hole communicates with through hole one end of light path tube; Described lens combination consists of two groups of lens, and two groups of lens intervals are plugged on light path tube middle part; The light signal of described deuterium lamp is through the through hole in light path tube, and the light path entrance of the lens in lens combination, fluorescence pond, the outlet of light path tube light path, optical filter, photomultiplier protective cover is sent on photomultiplier, and light signal is converted into electric signal.
3. the portable device for fast detecting for edible oil quality safety monitoring according to claim 1, is characterized in that: described lens are comprised of ultraviolet quartz lens and lens fixing pluge; Described ultraviolet quartz lens is arranged in lens fixing pluge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053129.4U CN203732447U (en) | 2014-01-27 | 2014-01-27 | Portable quick detection device for edible oil quality safety monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053129.4U CN203732447U (en) | 2014-01-27 | 2014-01-27 | Portable quick detection device for edible oil quality safety monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732447U true CN203732447U (en) | 2014-07-23 |
Family
ID=51202510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420053129.4U Expired - Lifetime CN203732447U (en) | 2014-01-27 | 2014-01-27 | Portable quick detection device for edible oil quality safety monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732447U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370635A (en) * | 2016-08-31 | 2017-02-01 | 厦门斯坦道科学仪器股份有限公司 | Method, equipment and system for quantitatively detecting content of polar ingredients in edible oil |
| CN110244037A (en) * | 2019-07-01 | 2019-09-17 | 北京乐普医疗科技有限责任公司 | A kind of chemiluminescence detection mould group |
| CN114324207A (en) * | 2021-12-24 | 2022-04-12 | 辽宁华一检测认证中心有限公司 | Full-spectrum detection system for rapidly detecting food |
-
2014
- 2014-01-27 CN CN201420053129.4U patent/CN203732447U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370635A (en) * | 2016-08-31 | 2017-02-01 | 厦门斯坦道科学仪器股份有限公司 | Method, equipment and system for quantitatively detecting content of polar ingredients in edible oil |
| CN110244037A (en) * | 2019-07-01 | 2019-09-17 | 北京乐普医疗科技有限责任公司 | A kind of chemiluminescence detection mould group |
| CN114324207A (en) * | 2021-12-24 | 2022-04-12 | 辽宁华一检测认证中心有限公司 | Full-spectrum detection system for rapidly detecting food |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203732447U (en) | Portable quick detection device for edible oil quality safety monitoring | |
| JP2006145529A5 (en) | ||
| WO2012144955A1 (en) | Highly compact multi-optical-junction optical flowcell and flexibly deployable optical sensing assemblies and systems for in-situ real-time spectroscopic measurements | |
| CN206772438U (en) | Absorption and fluorescence spectrum detecting device based on mobile intelligent terminal | |
| CN203455275U (en) | Near-infrared optical fiber type moisture measuring device | |
| CN204255852U (en) | A kind of CO with temperature and air pressure auto-compensation 2gas concentration inspect device | |
| CN207689467U (en) | A kind of total organic carbon matter monitoring device | |
| CN205280588U (en) | Multichannel surface of water oil real -time supervision device | |
| CN106525804A (en) | Optical structure of fluorescence immunochromatography instrument | |
| CN104897574A (en) | Integrated optical portable detector for agricultural and livestock products | |
| RU2000116673A (en) | NON-DISPERSION MULTI-CHANNEL INFRARED GAS ANALYZER | |
| CN207662797U (en) | The fluorescent collecting device and concentration detection system of dual wavelength quantum dot fluorescence probe | |
| CN206074432U (en) | A kind of LED illumination System of plant growth state real-time monitoring | |
| CN103487409A (en) | Optical fiber sampler for detecting spectral transmittance and absorptivity of liquid and gas | |
| CN204705582U (en) | A kind of integrated portable LED light source detecting device | |
| FR2867272B1 (en) | APPARATUS AND ASSOCIATED METHOD FOR MONITORING THE COLORIMETRIC QUALITY AND TRACEABILITY OF ANY DOCUMENT OR PRINTER OF ANY NATURE BY ANY USER HAVING THIS DOCUMENT | |
| CN209542430U (en) | Miniature UV absorption atmospheric ozone sensor | |
| CN203745379U (en) | Handheld test paper reflectometer | |
| CN201993301U (en) | Optical device for monitoring smoke dust under wet flue gas condition | |
| CN102590151A (en) | Wireless transmission mode-based laser measuring method of smoke transmission rate | |
| CN216284881U (en) | Instrument analysis device convenient to carry | |
| CN203719768U (en) | Deuterium-halogen combination light source with characteristic of wave band selectivity | |
| CN204188516U (en) | Small-sized portable edible oil detecting device | |
| CN201429567Y (en) | Chlorophyll a measuring device | |
| CN206095944U (en) | Chlorophyll an on -line measuring device and sensor thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |