CN201795984U - Multifunctional food safety detector - Google Patents

Multifunctional food safety detector Download PDF

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Publication number
CN201795984U
CN201795984U CN2009201815019U CN200920181501U CN201795984U CN 201795984 U CN201795984 U CN 201795984U CN 2009201815019 U CN2009201815019 U CN 2009201815019U CN 200920181501 U CN200920181501 U CN 200920181501U CN 201795984 U CN201795984 U CN 201795984U
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China
Prior art keywords
module
control system
detector
photoelectric signal
light
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Expired - Fee Related
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CN2009201815019U
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Chinese (zh)
Inventor
杨彬
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Xiamen Haihongxing Instrument Co ltd
XIAMEN HAIHONGXING TECHNOLOGY CO.,LTD.
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XIAMEN HAIHONGXING INSTRUMENTS CO Ltd
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Priority to CN2009201815019U priority Critical patent/CN201795984U/en
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Abstract

A multifunctional food safety detector consists of a power module, an optical path portion, a photoelectric signal acquiring, amplifying and conditioning module and an embedded single-chip microcomputer control system. The power module is connected with components of the detector and processes inputted power voltage, the optical path portion is connected with the power module and the photoelectric signal acquiring, amplifying and conditioning module and comprises a tungsten halogen lamp, an interference filter, a wavelength selecting mechanism, multiple channels of optical fibers, a focusing lens, a multihole cuvette and the like, the photoelectric signal acquiring, amplifying and conditioning module is connected with the power module, the optical path portion and a single-chip microcomputer control system, receives light which transmits through cuvette concentrated liquor and is converted into electrical signals after reaching the detector, processes photoelectrical converted weak signals, converts the weak signals into digital signals through AD conversion and transmits the digital signals to the single-chip microcomputer control system, the embedded single-chip microcomputer control system is connected with the photoelectric signal acquiring, amplifying and conditioning module, the power circuit module and various input and output auxiliary modules, and split light source wavelength uniformity and accuracy are much higher than those of an LED lamp.

Description

The multifunctional food safety detector
Technical field:
The utility model relates to the food security Fast Detection Technique, specifically is exactly relevant with the multifunctional food safety detector of contained multiple harmful substances content in a kind of fast detecting food.
Background technology:
The abuse of illegal adjuvant caused security incident to take place frequently in the food in recent years, as melamine, and incidents such as Shu Danhong etc.Each relevant departments continues to increase the production to food security, and circulation waits the supervision of each link.There has been at present multiple rapid detection apparatus at food security.But what the light source of present rapid detection apparatus adopted is led light source, has following problem:
1, the wavelength accuracy of led light source is not high, and the inconsistent meeting of wavelength between the different instruments or between a plurality of light sources of same instrument causes the deviation of the inconsistent and accuracy of testing result.
2, in the food safety detection, the wavelength that detects the light source of different objectionable impuritiess uses is different.Several uses of detection that existing instrument employing led light source can only be fixed can't detect multiple harmful substances simultaneously with a kind of test item of light source.
Summary of the invention:
The utility model purpose is to solve above problem, a kind of multifunctional food safety detector is provided, it adopts the long light source of all-wave, and the mode of beam split optical filter is selected the wavelength of light source automatically, splits the light source of suitable wavelength automatically according to different test item needs.Adopt the mode of optical filter to make the optical source wavelength consistance of beam split and accuracy high more a lot of simultaneously than LED lamp.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: the multifunctional food safety detector, described detector, comprise energy supply control module, light path part, photoelectric signal collection amplifies conditioning module, embedded scm control system, input and other supplementary module;
Energy supply control module: be connected with each parts of detector, input supply voltage is handled, the stabilized voltage supply of each module of circuit system is provided;
Light path part: amplify conditioning module with energy supply control module and photoelectric signal collection and be connected, comprise the tungsten halogen lamp that cooperatively interacts, interference filter and wavelength selection mechanism thereof, multi-channel optical fibre, condenser lens, porous cuvette pond, the light that tungsten halogen lamp sends is the white light of full spectrum, automatically select suitable interference filter by interference filter and wavelength selection mechanism thereof, produce suitable monochromatic source after the interference filter beam split; Multi-channel optical fibre is assigned to monochromatic source in each sense channel in cuvette pond the detection light source as each passage; Condenser lens is all added in the front and back end of each passage in cuvette pond;
Photoelectric signal collection amplifies conditioning module: connect power module, light path part and single-chip computer control system, this module receives the light that sees through the cuvette dope, described light is converted into electric signal after arriving detector, photoelectric signal collection amplifies conditioning module the weak signal of opto-electronic conversion is amplified, and is transported to single-chip computer control system except that processing such as noise back is converted to digital signal by AD;
Embedded scm control system: amplify supplementary modules such as conditioning module, power circuit module and each input and output with photoelectric signal collection and be connected; The light intensity numerical value of the signal condition module collection algorithm process by software is converted to concrete concentration numerical value to be presented on the screen.
Described detector inside is provided with the storer that is connected with single-chip computer control system and preserves testing result automatically.
Described detector inside is provided with the USB interface that is connected with single-chip computer control system and reads inner measurement data of preserving and result data is carried out statistical study.
Described detector inside is provided with the thermal printer that is connected with single-chip computer control system.
Described printer is embedded printer, changes paper by the mode of push button flip top.
Adopt technique scheme, the utility model proposes the light source that adopts all-wave long, the mode of beam split optical filter is selected the wavelength of light source automatically, splits the light source of suitable wavelength automatically according to different test item needs.Adopt the mode of optical filter can make the optical source wavelength consistance of beam split and accuracy high more a lot of simultaneously than LED lamp.
Description of drawings:
Below with accompanying drawing the utility model is described in detail:
Fig. 1 is the utility model structural representation.
Embodiment:
Below in conjunction with drawings and Examples the utility model is described in detail:
Embodiment of the present utility model as shown in Figure 1, the utility model multifunctional food safety detector, described detector, comprise energy supply control module 1, light path part 2, photoelectric signal collection amplifies conditioning module 3, embedded scm control system 4, supplementary modules such as input 5;
Power module 1 is handled input supply voltage, and the stabilized voltage supply of each module of circuit system is provided.For the tungsten halogen lamp of the Lights section provides powerful accurately stabilized light source voltage.
Light path part 2 is by tungsten halogen lamp 21, interference filter and wavelength selection mechanism 22 thereof, multi-channel optical fibre 23, condenser lens 24, porous cuvette pond 25 parts such as grade are formed, the light that tungsten halogen lamp sends is the white light of full spectrum, automatically selects to produce suitable monochromatic source after the beam split behind the suitable interference filter by wavelength selection mechanism.Multi-channel optical fibre is assigned to monochromatic source in each sense channel in cuvette pond the detection light source as each passage.Guarantee the coherence request of each passage light source.The accuracy that improves detection of converging that condenser lens guarantees light path is all added in the front and back end of each passage in cuvette pond.
The light that monochromatic source is sent is partially absorbed after by the sample dope in the cuvette pond, and the contained concentration of the objectionable impurities that detects that needs becomes certain proportionate relationship in the attenuation degree of light and the dope.Be converted into electric signal behind the light arrival detector through the cuvette dope and arrive photosignal conditioning module 3, this module is amplified the weak signal of opto-electronic conversion, removes processings such as noise and afterwards is converted to digital signal by AD and is transported to Single Chip Microcomputer (SCM) system and handles.
Embedded scm control system 4 control signal acquisition modules, the work of supplementary modules such as power circuit module and each input and output.The light intensity numerical value of the signal condition module collection algorithm process by software is converted to concrete concentration numerical value to be presented on the giant-screen LCD54.
The storer 51 that instrument internal carries can be preserved testing result automatically.The user also can use the PC end client software of giving as an addition at random, and the USB interface 52 by instrument reads inner measurement data of preserving, and result data is carried out processing such as statistical study.
The user can carry out the required entries purpose to instrument by the mode of downloaded software AKU in addition increases, deletion, and operations such as modification realize the upgrading of test item, increase more project.
Instrument carries thermal printer 53, and testing result can be produced a simple examining report.Directly output to printer.The embedded printer that adopts adopts new technology, changes paper by the mode of push button flip top, and the user friendly paper that changes is operated.The printer operation pattern is as follows: after the instrument start, printer enters online mode, and pilot lamp is bright.After instrument self checking passed through, printer entered duty automatically, accepted data and print command from main frame at any time.
1) press printer panel left side button, the printer panel is opened automatically.
2) take out the printing refill tube that has used up, the new printer paper of packing in the printer carton.
3) the printer paper paper is pulled out gently a bit of (after covering the printer panel, the exit slot that printer paper can exceed printer gets final product).
4) on the other hand the printer paper paper is pressed outside the exit slot of printer,,, finished dress paper by tight on the other hand gently with under the printer panel cover.

Claims (5)

1. multifunctional food safety detector is characterized in that: described detector, comprise energy supply control module, and light path part, photoelectric signal collection amplifies conditioning module, embedded scm control system, input and other supplementary module;
Energy supply control module: be connected with each parts of detector, input supply voltage is handled, the stabilized voltage supply of each module of circuit system is provided;
Light path part: amplify conditioning module with energy supply control module and photoelectric signal collection and be connected, comprise the tungsten halogen lamp that cooperatively interacts, interference filter and wavelength selection mechanism thereof, multi-channel optical fibre, condenser lens, porous cuvette pond, the light that tungsten halogen lamp sends is the white light of full spectrum, automatically select suitable interference filter by interference filter and wavelength selection mechanism thereof, produce suitable monochromatic source after the interference filter beam split; Multi-channel optical fibre is assigned to monochromatic source in each sense channel in cuvette pond the detection light source as each passage; Condenser lens is all added in the front and back end of each passage in cuvette pond;
Photoelectric signal collection amplifies conditioning module: connect power module, light path part and single-chip computer control system, this module receives the light that sees through the cuvette dope, described light is converted into electric signal after arriving detector, photoelectric signal collection amplifies conditioning module the weak signal of opto-electronic conversion is amplified, and is transported to single-chip computer control system except that processing such as noise back is converted to digital signal by AD;
Embedded scm control system: amplify conditioning module, power circuit module and supplementary module with photoelectric signal collection and be connected; The light intensity numerical value of the signal condition module collection algorithm process by software is converted to concrete concentration numerical value to be presented on the screen.
2. multifunctional food safety detector as claimed in claim 1 is characterized in that: described detector inside is provided with the storer that is connected with single-chip computer control system.
3. multifunctional food safety detector as claimed in claim 1 is characterized in that: described detector inside is provided with the USB interface that is connected with single-chip computer control system.
4. multifunctional food safety detector as claimed in claim 1 is characterized in that: described detector inside is provided with the thermal printer that is connected with single-chip computer control system.
5. multifunctional food safety detector as claimed in claim 4 is characterized in that: described printer is embedded printer, changes paper by the mode of push button flip top.
CN2009201815019U 2009-11-25 2009-11-25 Multifunctional food safety detector Expired - Fee Related CN201795984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201815019U CN201795984U (en) 2009-11-25 2009-11-25 Multifunctional food safety detector

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Application Number Priority Date Filing Date Title
CN2009201815019U CN201795984U (en) 2009-11-25 2009-11-25 Multifunctional food safety detector

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308470A (en) * 2013-07-01 2013-09-18 山东省农业科学院中心实验室 Portable type food safety detector with controllable temperature
CN107505266A (en) * 2017-08-14 2017-12-22 重庆电子工程职业学院 Semi-automatic optical testing and analysis system
CN108333165A (en) * 2018-01-15 2018-07-27 厦门海荭兴仪器股份有限公司 The application method of All-in-One body instrument

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308470A (en) * 2013-07-01 2013-09-18 山东省农业科学院中心实验室 Portable type food safety detector with controllable temperature
CN107505266A (en) * 2017-08-14 2017-12-22 重庆电子工程职业学院 Semi-automatic optical testing and analysis system
CN107505266B (en) * 2017-08-14 2023-08-25 重庆电子工程职业学院 Semi-automatic optical detection analysis system
CN108333165A (en) * 2018-01-15 2018-07-27 厦门海荭兴仪器股份有限公司 The application method of All-in-One body instrument

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C14 Grant of patent or utility model
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C56 Change in the name or address of the patentee

Owner name: XIAMEN HAIHONGXING INSTRUMENT CO., LTD.

Free format text: FORMER NAME: XIAMEN HAIHONGXING INSTRUMENTS CO., LTD.

Owner name: XIAMEN HAIHONGXING SCIENCE + TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: XIAMEN HAIHONGXING INSTRUMENT CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 361000 A, B515 building, Huli District, Huli District, Fujian, Xiamen, Shanghai

Patentee after: XIAMEN HAIHONGXING TECHNOLOGY CO.,LTD.

Address before: 361000 A, B515 building, Huli District, Huli District, Fujian, Xiamen, Shanghai

Patentee before: XIAMEN HAIHONGXING INSTRUMENT Co.,Ltd.

Address after: 361000 A, B515 building, Huli District, Huli District, Fujian, Xiamen, Shanghai

Patentee after: XIAMEN HAIHONGXING INSTRUMENT Co.,Ltd.

Address before: 361000 A, B515 building, Huli District, Huli District, Fujian, Xiamen, Shanghai

Patentee before: Xiamen Haihongxing Instruments Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110413

Termination date: 20161125

CF01 Termination of patent right due to non-payment of annual fee