CN102788842A - Food safety rapid detection device using interactive weak ultrasonic - Google Patents
Food safety rapid detection device using interactive weak ultrasonic Download PDFInfo
- Publication number
- CN102788842A CN102788842A CN2012102276801A CN201210227680A CN102788842A CN 102788842 A CN102788842 A CN 102788842A CN 2012102276801 A CN2012102276801 A CN 2012102276801A CN 201210227680 A CN201210227680 A CN 201210227680A CN 102788842 A CN102788842 A CN 102788842A
- Authority
- CN
- China
- Prior art keywords
- food
- circuit
- signal processing
- ultrasonic
- data
- 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.)
- Pending
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a food safety rapid detection device using interactive weak ultrasonic. The device comprises a characteristic parameter collecting part, a signal processing and analyzing part and an interacting part, wherein the characteristic parameter collecting part uses weak ultrasonic sensor arrays to non-contactedly extract information of the to-be-detected food in all directions; the signal processing and analyzing part, under a main control of a controller, orderly extracts environmental parameters, generates and processes frequency-modulated square waves, shapes and samples echoes and reflection waves, stores the collected data and reference data of food quality and safety, and analyzes the quality of the detected food; and the interacting part completes start of the system, selection of a sensor work module, selection of the to-be-detected food and display of analysis results of the food quality, and simultaneously provides both a wire way and a wireless way to update local database and store local data cloud. The device provided by the invention has advantages of compact volume, simple structure, convenient usage and good interactivity, and is suitable for the rapid detection of the food safety for individuals and households.
Description
[technical field]
The present invention relates to ultrasonic sensor application technology and food safety detection field; Be particularly related to the weak ultrasonic technology of a kind of employing as detection means, and ultrasonic food pick-up unit safely and fast a little less than a kind of interactive mode of implementing immediately to analyze according to the site environment state.
[background technology]
" bread is the staff of life, and food is with An Weixian ".In recent years; Food-safety problem such as picture " tonyred ", " hepatitis virus mineral water " and various food poisoning become increasingly conspicuous; Caused the close attention of consumers in general and decision-making level, the correlation technique of same food safety detection has also received national great attention.
At present; Checkout equipment for food security mainly adopts conventional biochemical analysis and spectroscopic analysis methods; This method need be carried out in the laboratory that qualification is arranged; Not only need use expensive bigger detecting instrument, and complex operation, detection time are long, the testing quickly and easily of not competent scene.
Along with the development of various food safety detection technology, ultrasonic technology occurs in the food security field with its special advantages.Ultrasonic technology is a kind of acoustic characteristic analytic approach; Its principle is that ultrasound wave is when propagating in medium to be detected; The variation meeting of the acoustic characteristic of medium and interior tissue produces certain influence to hyperacoustic propagation, can understand dielectric behavior and structural change through the detection to ultrasound wave degree of susceptibility and situation.Ultrasound examination three measurement parameters the most commonly used are: the velocity of sound, decay, impedance.Ultrasound wave is divided into two types: intense ultrasonic wave and weak ultrasound wave.At present, intense ultrasonic wave can change the physical attribute of medium because energy is high, be widely used in fruit and vegetable product anti-ly rot, the application such as fresh-keeping of poultry goods.Weak ultrasound wave is because energy is low; Have not damaged, non-intrusion type, need not to prepare advantages such as sample and fast detecting; Mainly be used at present the detection of fat content detection, sugar in the dairy produce; The detection of concrete a certain composition in the medium such as hydrocarbon mixture detection does not appear at the application of food synthetic quality context of detection in the cereal product.
Simultaneously; Before dispatching from the factory, China's food all needs to carry out analyzing and testing according to related standards; To detect in the food whether chemical additive matter arranged, whether exceed standard, whether fresh or the like, yet this supervision generally adopts the method for sampling check to carry out, and sampling check also only is that unitem to each product detects; Supervision is limited, often can not guarantee that the food on all markets, supermarket, the market of farm produce all is that safety is qualified.At present, do not have a kind of common people's of being fit to food security device for fast detecting, go to judge that the food of being bought is that safety is qualified, be easy to take place the food security accident.
[summary of the invention]
The objective of the invention is to fill up the deficiency of prior art; Provide a kind of volume little; Interactive weak ultrasonic food simple in structure, easy to operate, that interactive interface is friendly, detection is quick, portable is pick-up unit safely and fast, can be adaptable across the common people.
For realizing above-mentioned purpose, the present invention proposes the weak ultrasonic food of a kind of interactive mode pick-up unit safely and fast.Said food safety detection device is made up of characteristic parameter collecting part, signal processing analysis part and interactive portion.
Said characteristic parameter collecting part adopts weak array of ultrasonic sensors food to be measured to be carried out the information extraction of diverse location and different directions.
Said weak array of ultrasonic sensors divides multilayer, and every layer of two groups of sending and receiving sensor intersect to be placed, and sensor is all adjustable in three-dimensional position.
Said one group of sending and receiving sensor comprises that an emitting head, a transmitted wave receive head and an echo reception head.
Said signal processing analysis partly comprises controller, signal processing circuit, data storage circuitry, signal evaluation circuit, Frequency Adjustable square wave generation circuit, temperature measuring circuit, humidity measuring circuit, clock generation circuit and power control circuit.
Said controller is the core of whole device, coordinates each circuit and works without any confusion.
Said Frequency Adjustable square wave generation circuit is accomplished the generation of the higher-order of oscillation square wave of certain frequency, adapts to different tested food, and its transponder pulse frequency can be provided with by the user.
Said signal processing circuit is accomplished the amplification to the high frequency square wave that sends, and sends ultrasound wave with the driving sensor emitting head; Simultaneously can receive that an echo and the reflection wave signal that head receives amplify to sensor, shaping and sampling processing.
Said data storage circuitry is accomplished this storage that detects the characteristic parameter of gathering; Accomplish the storage of the quality safety reference value of multiple food to be measured simultaneously.
Said signal evaluation circuit is mainly according to acoustic velocity, acoustic attenuation and the acoustic impedance of calculation of characteristic parameters ultrasonic signal in tested food of this collection; And carry out environmental parameter and calibrate; Then with database in reference value compare, providing tested food is safe, suspicious or unsafe analysis result.
Said temperature measuring circuit adopts high-precision temperature sensor, and environment temperature is detected in real time.
Said humidity measuring circuit adopts high-precision humidity sensor, and ambient humidity is detected in real time.
Said clock generation circuit provides the work clock of system stability.
Said power control circuit is for whole device provides reliable and stable working power.
Startup, working sensor model selection, food to be measured selection, circuit parameter setting and food quality analysis result that said interactive portion is accomplished system show; Offer the wired and wireless two kinds of interactive modes of user simultaneously, accomplish this machine data storehouse and upgrade and the storage of this machine data high in the clouds.
Said working sensor pattern has 4 kinds, and is specific as follows:
1. default mode, the ultrasonic emitting frequency n is 6, carries out the comprehensive detection of food to be measured;
2.UP pattern, ultrasonic emitting frequency n are 2, carry out the detection of food top layer to be measured;
3.DOWN pattern, ultrasonic emitting frequency n are 2, carry out the detection of food bottom to be measured;
4.MID pattern, ultrasonic emitting frequency n are 2, carry out the detection in food to be measured middle layer.
The invention has the beneficial effects as follows:
1. adopt weak ultrasonic technology, to food not damaged to be measured;
2. adopt weak array of ultrasonic sensors, food to be measured is carried out omnibearing detection, improved accuracy of detection;
3. non-intrusion type need not to prepare sample, and is all pollution-free with device to food to be measured;
4. non-qualitative, quantitative is measured, and is absorbed in the food difference, meets the common people's understanding and demand.
5. interactivity is strong, and the user can adopt wireless or wired this machine data of mode down loading updating reference library according to food demand to be measured, also can this machine measurement data is used in combination to experience to upload to high in the clouds, supplies other user's references.
[description of drawings]
Fig. 1 is the system framework figure of apparatus of the present invention;
Fig. 2 is a weak array of ultrasonic sensors layout in apparatus of the present invention;
Fig. 3 is the workflow diagram of apparatus of the present invention;
[embodiment]
The application's characteristic and advantage will be through embodiment, in conjunction with the accompanying drawings.
The present invention proposes the weak ultrasonic food of a kind of interactive mode pick-up unit safely and fast.This device comprises characteristic parameter collecting part, signal processing analysis part and interactive portion.Said characteristic parameter collecting part adopts weak array of ultrasonic sensors that food to be measured is carried out full spectrum information and extracts; Said signal processing analysis part is carried out the extraction of environmental parameter, the generation of Frequency Adjustable square wave and the shaping sampling processing of processing, echo and reflection wave, the storage and the food quality analysis of data without any confusion under the master control of controller; Said interactive portion accomplishes that the startup of system, the selection of working sensor pattern, food to be measured are selected, the food quality analysis result shows, offer the wired and wireless dual mode of user simultaneously carries out that this machine data storehouse is upgraded and the storage of this machine data high in the clouds.Device of the present invention is not done the analysis of qualitative, quantitative to food to be measured; The main otherness of paying close attention to food to be measured; Provide the analysis result that is easily understood, device volume is small and exquisite, simple in structure simultaneously, interactivity is good, can carry out the food security fast detecting adaptable across individual and family.
Fig. 1 has provided the system framework figure of apparatus of the present invention, mainly comprises three parts: characteristic parameter collecting part 101, signal processing analysis part 102 and interactive portion 103.Characteristic parameter collecting part 101 adopts weak 104 pairs of food to be measured of array of ultrasonic sensors to carry out omnibearing information extraction.Signal processing analysis part 102 comprises signal processing circuit 105, data storage circuitry 106, signal evaluation circuit 107, Frequency Adjustable square wave generation circuit 108, controller 109, temperature measuring circuit 110, humidity measuring circuit 111, clock generation circuit 112 and power control circuit 113.Interactive portion 103 comprises button 114, LCD115, usb 1 16 and wireless communication interface 117.
As shown in Figure 1, controller 109 is cores of whole device, coordinates each circuit and works without any confusion; Frequency Adjustable square wave generation circuit 108 produces the ultrasonic frequency vibration square wave that the user is provided with under enabling signal control; Signal processing circuit 105 can be amplified the high frequency square wave that sends, and send ultrasound wave to promote the sensor emission hair, can carry out shaping, sampling processing to receiving the echo and the reflection wave that receive simultaneously; Data storage circuitry 106 can be stored these data that collect, and stores the reference value of the numerous food of user's download simultaneously; Signal evaluation circuit 107 is analyzed this measurement data according to the environmental parameter and the food security reference library data of this measurement, provides safe, suspicious or unsafe analysis result; Temperature measuring circuit 110 is measures ambient temperature in real time; Humidity measuring circuit 111 is measures ambient humidity in real time; Clock generation circuit 112 is used to provide the work clock of system stability; Power control circuit 113 provides reliable and stable working power for whole device.
As shown in Figure 1, button 114 provides the user that system is carried out the inlet that start-up control, working sensor model selection, food to be measured selection and circuit parameter are provided with; LCD115 provides good man computer interface, the display analysis result; Usb 1 16 offers the wired and wireless two kinds of interactive modes of user with wireless communication interface 117, accomplishes this machine data storehouse and upgrades and the storage of this machine data high in the clouds.
Fig. 2 has provided weak array of ultrasonic sensors layout in apparatus of the present invention, mainly comprises 6 groups of ultrasonic sensors (202,203), (204; 205), (206,207), (208,209), (210; 211), (212; 213), be placed on the diverse location and different directions of food containers 201 to be measured, food to be measured is carried out omnibearing detection.Dominant mechanism is that on the one hand weak ultrasonic frequency is high, wavelength is short, direction propagation property is good, penetrability is strong, simultaneously because weak ultrasonic energy is low, can not produce the materialization destruction to food to be measured; Hyperacoustic on the other hand basic physical parameters---the velocity of sound, attenuation coefficient, acoustic impedance all depends on character such as the structure, composition of food to be measured; Therefore; Can utilize weak ultrasound wave through comprehensive detection to food to be measured; Obtain the ultrasound wave physical parameter of food to be measured, further analyze the difference that draws fake and forged food and safety food.
Fig. 3 has provided the workflow diagram of apparatus of the present invention, and concrete detection step is following:
S1. system power-on reset;
S2. the user carries out parameter settings such as food selection to be measured, working sensor model selection, ultrasonic frequency selection;
S3. the user starts measurement;
S4. judge according to the working sensor pattern whether emitting times n is reduced to 0, if 0, just jumped to for the 11st step, otherwise, got into for the 5th step;
S5. the ultrasonic frequency of setting according to the user is sent higher-order of oscillation square wave;
S6. the high frequency square wave that sends is carried out processing and amplifying, to promote sensor delivery header emission ultrasound wave;
S7. driven sensor delivery header emission ultrasound wave;
S8. after ultrasound wave passes tested food, received head and the reception of reflection wave reception head by corresponding echo;
Adjustment, the sampling processing of S9. the echo that receives and reflection wave being carried out signal are gathered echo with reflex amplitude with pass food to be measured and the used parameters such as time of chamber wall;
S10. the characteristic parameter that collects is stored, jumped to for the 4th step again;
S11. according to the working sensor pattern, the many stack features parameter that collects averaged with correlativity handle;
S12. current environmental parameter and the data that collect are carried out multiple linear regression and handle, the corresponding data comparison in last and the food quality secure reference storehouse, analysis and judgement, it is safe, suspicious or unsafe obtaining tested food;
S13. measurement result is shown, give the user with reference;
S14. system's power down is closed.
The weak ultrasonic food safety detection device of described a kind of interactive mode; Make full use of on the one hand weak ultrasonic frequency high (between 0.1～0.2MHz), direction propagation property is good, penetration power is strong, energy little (often less than 100mW); Can not produce materialization to tested food destroys; Adopt characteristics such as pulse operation; Hyperacoustic three basic physical parameters particularly---the velocity of sound, attenuation coefficient, acoustic impedance all depends on character such as the structure, composition of tested food and this three ultrasound parameters can be according to advantage such as measure through the reflection wave signal of echoed signal after the food to be measured and chamber wall; Proposed array of ultrasonic sensors as shown in Figure 2, can omnibearing food to be measured have been detected; Considering the influence of environmental factor to measurement result simultaneously, designed the humiture testing circuit, all is to adopt high-precision Temperature Humidity Sensor to realize.On the other hand in order to satisfy the safety detection demand of user, provide wired and wireless dual mode to supply the up-to-date reference data of user's download to upgrade this machine data storehouse and exchange with other users to numerous food; In circuit design, adopt parameterized design simultaneously, the system that makes has dirigibility and configurability, and is applied widely.
The weak ultrasonic food safety detection device of this interactive mode that the present invention proposes, volume is little, and is simple in structure, easy to use, and interactivity is good, and detection speed is fast, can realize being widely used in the purpose that the common people and family carry out the fast-food safety detection.
Above content is to combine embodiment to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (5)
1. the weak ultrasonic food of interactive mode pick-up unit safely and fast, it is characterized in that: said device comprises characteristic parameter collecting part, signal processing analysis part and interactive portion.
2. characteristic parameter collecting part as claimed in claim 1 is characterized in that: said part adopts weak array of ultrasonic sensors that food to be measured is carried out the noncontact full spectrum information and extracts; Said weak array of ultrasonic sensors divides multilayer, and every layer of two groups of sending and receiving sensor intersect to be placed, and sensor is all adjustable in three-dimensional position; Said one group of sending and receiving sensor comprises that an emitting head, a transmitted wave receive head and an echo reception head.
3. signal processing analysis part as claimed in claim 1 is characterized in that: said part comprises controller, signal processing circuit, data storage circuitry, signal evaluation circuit, Frequency Adjustable square wave generation circuit, temperature measuring circuit, humidity measuring circuit, clock generation circuit and power control circuit.
4. each circuit as claimed in claim 3 is characterized in that: controller is coordinated each circuit and is worked without any confusion as the core of whole device; The Frequency Adjustable square wave generation circuit produces the ultrasonic frequency vibration square wave that the user is provided with under enabling signal control; Signal processing circuit can be amplified the high frequency square wave that sends, and send ultrasound wave to promote the sensor emission hair, can carry out shaping, sampling processing to receiving the echo and the reflection wave that receive simultaneously; Data storage circuitry can be stored these data that collect, and stores the reference value of the numerous food of user's download simultaneously; Signal evaluation circuit is analyzed this measurement data according to the environmental parameter and the food security reference library data of this measurement, provides safe, suspicious or unsafe analysis result; Temperature measuring circuit is measures ambient temperature in real time; Humidity measuring circuit is measures ambient humidity in real time; Clock generation circuit is used to provide the work clock of system stability; Power control circuit is that whole device provides reliable and stable working power.
5. interactive portion as claimed in claim 1 is characterized in that: startup, working sensor model selection, food to be measured selection, food quality analysis result that said part is accomplished system show, provide simultaneously wired and wireless dual mode to carry out renewal of this machine data storehouse and the storage of this machine data high in the clouds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102276801A CN102788842A (en) | 2012-07-03 | 2012-07-03 | Food safety rapid detection device using interactive weak ultrasonic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102276801A CN102788842A (en) | 2012-07-03 | 2012-07-03 | Food safety rapid detection device using interactive weak ultrasonic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102788842A true CN102788842A (en) | 2012-11-21 |
Family
ID=47154302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102276801A Pending CN102788842A (en) | 2012-07-03 | 2012-07-03 | Food safety rapid detection device using interactive weak ultrasonic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102788842A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764863A (en) * | 2015-03-25 | 2015-07-08 | 深圳市柳迪科技有限公司 | Device and method for detecting nut pulp plumpness |
| CN105588806A (en) * | 2015-12-23 | 2016-05-18 | 郝文 | Device for food safety inspection |
| CN105606712A (en) * | 2015-11-10 | 2016-05-25 | 国网浙江慈溪市供电公司 | Ultrasonic detection probe, detection method, and detection system |
| CN106525964A (en) * | 2016-12-05 | 2017-03-22 | 无锡艾科瑞思产品设计与研究有限公司 | Portable household food safety detection system |
| CN105911043B (en) * | 2016-03-29 | 2018-08-28 | 贵州省分析测试研究院 | The digitization of atomic fluorescence food contaminant testing result targets analysis method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558227A (en) * | 2004-01-14 | 2004-12-29 | 浙江大学 | Liquid phase components analyzer for acoustic surface wave array transducer |
| CN101271097A (en) * | 2007-03-21 | 2008-09-24 | 上海中策工贸有限公司 | Commercial articles safety and quality detecting system |
| WO2011063227A1 (en) * | 2009-11-20 | 2011-05-26 | Packaging Technologies & Inspection, LLC | At rest vacuum state for vacuum decay leak testing method and system |
-
2012
- 2012-07-03 CN CN2012102276801A patent/CN102788842A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558227A (en) * | 2004-01-14 | 2004-12-29 | 浙江大学 | Liquid phase components analyzer for acoustic surface wave array transducer |
| CN101271097A (en) * | 2007-03-21 | 2008-09-24 | 上海中策工贸有限公司 | Commercial articles safety and quality detecting system |
| WO2011063227A1 (en) * | 2009-11-20 | 2011-05-26 | Packaging Technologies & Inspection, LLC | At rest vacuum state for vacuum decay leak testing method and system |
Non-Patent Citations (2)
| Title |
|---|
| 周向华 等: "低能量超声检测技术在食品工业中的应用", 《农业工程学报》 * |
| 汤伟 等: "基于超声波技术的高性能牛乳成分快速测定仪", 《工业仪表与自动化装置》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764863A (en) * | 2015-03-25 | 2015-07-08 | 深圳市柳迪科技有限公司 | Device and method for detecting nut pulp plumpness |
| CN104764863B (en) * | 2015-03-25 | 2017-05-17 | 深圳市柳迪科技有限公司 | Device and method for detecting nut pulp plumpness |
| CN105606712A (en) * | 2015-11-10 | 2016-05-25 | 国网浙江慈溪市供电公司 | Ultrasonic detection probe, detection method, and detection system |
| CN105588806A (en) * | 2015-12-23 | 2016-05-18 | 郝文 | Device for food safety inspection |
| CN105911043B (en) * | 2016-03-29 | 2018-08-28 | 贵州省分析测试研究院 | The digitization of atomic fluorescence food contaminant testing result targets analysis method |
| CN106525964A (en) * | 2016-12-05 | 2017-03-22 | 无锡艾科瑞思产品设计与研究有限公司 | Portable household food safety detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102095797B (en) | Fruit ripeness ultrasonic non-destructive detection method and system based on comparison method | |
| CN102788842A (en) | Food safety rapid detection device using interactive weak ultrasonic | |
| CN103645155B (en) | The fast non-destructive detection method of fresh mutton tenderness | |
| CN105548062B (en) | The quick nondestructive synchronization detecting method of fresh beef appetizer multi objective | |
| CN103591975B (en) | A kind of ultrasonic sensor index detection method and device | |
| CN103954681B (en) | Fruit internal quality detection means and detection method | |
| CA2554170A1 (en) | Method and apparatus for evaluation of standing timber | |
| Wang et al. | Recent advances in portable devices for fruit firmness assessment | |
| CN109724940A (en) | Utilize the method and system of near infrared spectrometer detection vinasse component content | |
| US20130255373A1 (en) | Method and Apparatus for Measuring Water Level | |
| CN103487508A (en) | High-precision ultrasonic liquid difference identification device for food safety | |
| CN103487507A (en) | Detection method and detection device for food safety by use of supersonic wave | |
| CN205157501U (en) | A send -receiver device for ultrasonic non -destructive testing equipment | |
| Hou et al. | Prediction of firmness and pH for “golden delicious” apple based on elasticity index from modal analysis | |
| CN204758542U (en) | Detection apparatus for metallic structure's crackle | |
| CN106959284A (en) | A kind of detection method for distinguishing transgenic corns and non-transgenic corn | |
| CN102928513B (en) | Ultrasonic device for nondestructive examination of watermelon maturity | |
| CN205082156U (en) | Equipment of kind and tree characteristics investigation is examined to multi -functional crop | |
| CN106610401A (en) | Watermelon detection device | |
| CN103558177B (en) | Raw meat organizes moisture near-infrared detection apparatus and detection method | |
| CN206044612U (en) | Infrared ultrasound wave combines human body detection device | |
| CN203149117U (en) | Speed measurement device | |
| CN108002197A (en) | A kind of escalator braking performance detector | |
| CN104359978A (en) | Ripeness-degree measuring device for watermelons | |
| CN101788689A (en) | Device and method for detecting stored-grain pests |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121121 |
|
| WD01 | Invention patent application deemed withdrawn after publication |