CN202216899U - Multifunctional food safety detector - Google Patents
Multifunctional food safety detector Download PDFInfo
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- CN202216899U CN202216899U CN2011203537087U CN201120353708U CN202216899U CN 202216899 U CN202216899 U CN 202216899U CN 2011203537087 U CN2011203537087 U CN 2011203537087U CN 201120353708 U CN201120353708 U CN 201120353708U CN 202216899 U CN202216899 U CN 202216899U
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- food safety
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- multifunctional food
- safety detector
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Abstract
The utility model discloses a multifunctional food safety detector, comprising an optical path cuvette cell part, a singlechip signal acquisition part, a data processing part and an input and output man-machine interface part, wherein the optical path cuvette cell is connected with the singlechip signal acquisition part; and the singlechip signal acquisition part and the input and output man-machine interface part are accessed with the data processing part. The multifunctional food safety detector is small in volume and convenient to carry, and can be used for detecting various prohibited chemicals and pesticide residues by determining the chemical compositions of detected substances and conducting quantitative detection on the substances according to the characteristic of the absorption spectrum of the detected substances in a visible region, and the light absorption principle. The multifunctional food safety detector can adopts the ways of upgrading and updating a detection data base to enhance the distinguishing and quantifying of an instrument on the detected substances, thereby realizing the aim of increasing the types of detected substances.
Description
Technical field
The utility model relates to the food safety detection field, particularly relates to a kind of multifunctional food safety detector.
Background technology
Along with a large amount of uses of agricultural chemicals and increasing of the contaminated approach of food, more and more important to food safety detection, common detecting instrument volume is bigger, and is mobile constant, and testing process is complicated.
At present existing producer develops and has produced some relevant detection instruments; But these instrumental functions are single; An instrument can only detect fixing a kind of or several poisonous and harmful substances; The function of these instruments and analyte are corresponding one by one, and corresponding instrument can only detect corresponding material, when needs detect poisonous and harmful substance new or other types, must buy corresponding instrument again.
The utility model content
The technical matters that the utility model solved is to provide a kind of multifunctional food safety detector, to solve the shortcoming in the above-mentioned background technology.
The technical matters that the utility model solved adopts following technical scheme to realize:
A kind of multifunctional food safety detector; Comprise light path colorimetric pool part, single-chip microcomputer signals collecting part, data processing section and steal into output man-machine interface part; The light path colorimetric pool partly inserts single-chip microcomputer signals collecting part, and single-chip microcomputer signals collecting part and input and output man-machine interface partly insert data processing section.
Described light path colorimetric pool part is made up of sets of monochromatic light sources, hyperchannel colorimetric pool group, photoelectric detector group and signal conditioning circuit.Described single-chip microcomputer signal acquisition part branch comprises single-chip microcomputer, light control switch, system monitoring circuit, temperature measuring circuit, adds circuit temperature, serial communication circuit.Described data processing section comprises Ethernet communication circuit, USB communicating circuit, serial communication circuit, circuit of display driving, high-speed data processing CPU, data storage circuitry.Described input and output man-machine interface partly comprises display screen, mini-printer and touch-screen.
The multifunctional food safety detector of the utility model is through the Push And Release of the different monochromatic sources of Single-chip Controlling; When certain monochromatic source is opened; The photoelectric detector group detects this monochromatic light through the light intensity signal behind the colorimetric pool testing sample; Single-chip microcomputer converts this light intensity signal into light intensity value again, gives data processing section then.Data processing section then with this light intensity value computing, obtains needed value, is presented on the display.
23 indexs in the multifunctional food safety detector energy measurement food safety detection of the utility model, measurement range is wide.Have the online upgrading function, can bring in constant renewal in house software, realize the expansion of food inspection number of parameters.Adopt 32 ARM Embedded System Design, performance is more superior.Can load WINCE operating system, make software more stable.Data storage function with instrument internal is convenient to the storage of data and is read.Have the serial communication interface, realize and PC between online.Have the usb data interface, realize and PC between online.Have Ethernet interface, make instrument to surf the Net, realize the Network Transmission of data.Have printing function, realize the real time print of data.Adopt large-area 6.4 cun color LCD screens, make that the man-machine display interface is more beautiful.Adopt touch-screen by strong, make the button of man-machine interface easier, comfortable.
The multifunctional food safety detector volume of the utility model is little, easy to carry; At the characteristic and the law of light absorption of visible region absorption spectrum measured matter is carried out qualitative identification and quantitative measurement through measured matter, can detect multiple violated chemicals in the food (formaldehyde, hydrochlorate, Asia hydrochlorate, sulphuric dioxide slightly) slightly and residues of pesticides (organophosphorus, carbamate).The multifunctional food safety detector of the utility model can also be through upgrading, upgrade to detect the mode of database, make instrument increase to the identification of measured matter with quantitatively, reach the purpose that increase can detect kind.
Description of drawings
Fig. 1 is the structured flowchart of the multifunctional food safety detector of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, the multifunctional food safety detector of the utility model mainly comprises four major parts: light path colorimetric pool part 1, single-chip microcomputer signals collecting part 2, data processing section 3 and input and output man-machine interface part 4.
Described light path colorimetric pool part 1 is made up of sets of monochromatic light sources 11, hyperchannel colorimetric pool group 12, photoelectric detector group 13 and signal conditioning circuit 14.Described single-chip microcomputer signals collecting part 2 comprises single-chip microcomputer, light control switch, system monitoring circuit, temperature measuring circuit, adds circuit temperature, serial communication circuit.Described data processing section 3 comprises Ethernet communication circuit 31, USB communicating circuit 32, serial communication circuit 33, circuit of display driving 34, high-speed data processing CPU35, data storage circuitry 36.Described input and output man-machine interface part 4 comprises display screen 41, mini-printer 42 and touch-screen 43.
The sets of monochromatic light sources of light path colorimetric pool part 1 adopts the special-purpose driving circuit of LED constant current PWM light modulation that constant drive current is provided, and the switch of chip microcontroller monochromatic source is controlled, and can produce the light of 15 kinds of different wave lengths.Photoelectric detector group 13 is used for converting the monochromatic light intensity through testing sample into electric signal, and the sqignal conditioning circuit can carry out processing such as amplification filtering to the voltage signal of output.
2 of single-chip microcomputer signals collecting parts are the cores of light intensity signal collection, accomplish the coordination of whole signals collecting and the operation of processing, and pass to data processing section 3 to light intensity value.System monitoring circuit in the single-chip microcomputer signals collecting part 2 is the running status of supervisory system at any time, prevents program fleet.Temperature measuring circuit with add circuit temperature and realize heating and temperature controlling the residual colorimetric pool of farming.Serial communication circuit 33 is used to realize the data transmission between single-chip microcomputer signals collecting part 2 and the data processing section 3.
Data processing section 3 is to realize data processing, the core of man-machine exchange.Communication, USB communicating circuit 32 between serial communication circuit 33 realization instruments and the PC are realized the data communication between instrument and the PC too; Ethernet communication circuit 31 will make instrument have the function that network connects; Data storage circuitry 36 realizes with data storage that in nonvolatile memory EEPROM circuit of display driving 34 realizes that the TFT liquid crystal display to 640 * 480 drives.
According to selected measurement index, single-chip microcomputer can be selected current measurement passage automatically, opens corresponding monochromatic source, produces monochromatic light.Monochromatic light shines on the detecting device in the photoelectric detector group 13 after passing the hyperchannel colorimetric pool that solution to be measured is housed.Detecting device is converted into electric signal with detected light intensity value, and the single-chip microcomputer of importing after the sqignal conditioning circuit amplification filtering is arranged again.Single-chip microcomputer is given data processing section 3 after this magnitude of voltage is calculated as light intensity signal.3 of data processing sections further calculate, and draw needed value.All data can be preserved in the nonvolatile memory EEPROM again, supply user inquiring and data to gather.Data also can be passed through serial ports, and USB interface or Ethernet are transferred to PC.Also can the direct print data of mini-printer.
The single-chip microcomputer signals collecting part 2 of instrument adopts higher level lanquage C language, comprising: the setting of passage, the detection computations of light signal, the transmission of data.Passage is provided with the main setting of accomplishing each measurement passage of part, and the user can be provided with the measurement of each passage as required.The detection computations of light signal is accomplished the acceptance of light intensity electric signal, is calculated as corresponding light intensity value etc.Data transmission module mainly realize and data processing section 3 between the communication of data and instruction.
The data processing section 3 of instrument adopts the WINCE operating systems, again under this operating system with C language application program.Application program comprises: data communication part, sample measurement part, external communication part, man-machine interface part.Data communication partly realizes and the data and instruction transmission of single-chip microcomputer signal acquisition part between dividing.Sample detection partly is the core of software, realizes the calculating contrast to light intensity value, draws The ultimate results, and the storage of accomplishing data such as checks at function.External communication part realize comprising and PC between serial communication, USB communication, ethernet communication.Man-machine interface realizes that partly the driving of TFT liquid crystal display 41 shows, the reading of touch-screen 43 touch signals, and the operation of mini-printer 42.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. multifunctional food safety detector; Comprise light path colorimetric pool part, single-chip microcomputer signals collecting part, data processing section and input and output man-machine interface part; It is characterized in that: the light path colorimetric pool partly inserts single-chip microcomputer signals collecting part, and single-chip microcomputer signals collecting part and input and output man-machine interface insert data processing section.
2. multifunctional food safety detector according to claim 1 is characterized in that: said light path colorimetric pool part is made up of sets of monochromatic light sources, hyperchannel colorimetric pool group, photoelectric detector group and signal conditioning circuit.
3. multifunctional food safety detector according to claim 1 is characterized in that: described single-chip microcomputer signal acquisition part branch comprises single-chip microcomputer, light control switch, system monitoring circuit, temperature measuring circuit, adds circuit temperature, serial communication circuit.
4. multifunctional food safety detector according to claim 1 is characterized in that: described data processing section comprises Ethernet communication circuit, USB communicating circuit, serial communication circuit, circuit of display driving, high-speed data processing CPU, data storage circuitry.
5. multifunctional food safety detector according to claim 1 is characterized in that: described input and output man-machine interface partly comprises display screen, mini-printer and touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203537087U CN202216899U (en) | 2011-09-20 | 2011-09-20 | Multifunctional food safety detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203537087U CN202216899U (en) | 2011-09-20 | 2011-09-20 | Multifunctional food safety detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216899U true CN202216899U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203537087U Expired - Fee Related CN202216899U (en) | 2011-09-20 | 2011-09-20 | Multifunctional food safety detector |
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| Country | Link |
|---|---|
| CN (1) | CN202216899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353511A (en) * | 2013-07-01 | 2013-10-16 | 太仓市恒益医药化工原料厂 | Detection and analysis apparatus for medicines |
| CN107703069A (en) * | 2016-08-05 | 2018-02-16 | 广东达元食品药品安全技术有限公司 | spectrophotometer food safety detection based on constant current |
| EP3561486A1 (en) | 2018-04-27 | 2019-10-30 | CERAGOS Electronics et Nature | Portative optical system for detection of chemical substances at trace levels in foods and liquids |
-
2011
- 2011-09-20 CN CN2011203537087U patent/CN202216899U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353511A (en) * | 2013-07-01 | 2013-10-16 | 太仓市恒益医药化工原料厂 | Detection and analysis apparatus for medicines |
| CN107703069A (en) * | 2016-08-05 | 2018-02-16 | 广东达元食品药品安全技术有限公司 | spectrophotometer food safety detection based on constant current |
| EP3561486A1 (en) | 2018-04-27 | 2019-10-30 | CERAGOS Electronics et Nature | Portative optical system for detection of chemical substances at trace levels in foods and liquids |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20130920 |