CN205656162U - Nanometer biosensor short -term test pesticide residue device - Google Patents
Nanometer biosensor short -term test pesticide residue device Download PDFInfo
- Publication number
- CN205656162U CN205656162U CN201620271031.5U CN201620271031U CN205656162U CN 205656162 U CN205656162 U CN 205656162U CN 201620271031 U CN201620271031 U CN 201620271031U CN 205656162 U CN205656162 U CN 205656162U
- Authority
- CN
- China
- Prior art keywords
- nano biological
- biological sensor
- comparing unit
- pesticide residue
- testing result
- 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 - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a nanometer biosensor short -term test pesticide residue device, include: nanometer biological detection group, nanometer biological detection group includes: gather the detector and the nanometer biosensor of sample, the detector transmits the material of gathering for nanometer biosensor, and nanometer biosensor detects and export the signal of telecommunication to this material, comparing unit, comparing unit and nanometer biosensor electric connection, and predetermined limit value carries out assay among the signal of telecommunication that sends nanometer biosensor and this comparing unit, draws the testing result data and sends, display element is connected with comparing unit as a result, and receives the testing result data that comparing unit sent to show the testing result, nanometer biosensor includes: electrode, cladding biological sensitive membrane, physics transducer and the amplifier on the electrode, electrode and physics transducer electric connection, physics transducer and amplifier electric connection.
Description
Technical field
This utility model relates to nano biological sensor field, particularly relates to a kind of nano biological sensor fast detecting pesticide residue device.
Background technology
The development of agriculture industrialization at present makes the production of agricultural product be increasingly dependent on the allogenic materials such as pesticide, antibiotic and hormone.China's pesticide remains high at the consumption of agricultural product, and the unreasonable use of these materials will cause the pesticide residues in agricultural product to exceed standard, and affects consumer's edible safety, and consumer can be caused time serious to cause a disease, it is abnormal to grow, and even directly results in and is poisoned to death.Pesticide residues exceed standard also can affect the trade of agricultural product, and Pesticide Residue is paid much attention to by countries in the world, and various agricultural byproducts Pesticide Residues are all defined the strictest limit standard, makes China's Agricultural outlet be faced with formidable challenges.
In order to reduce the harm of pesticide residues, the people that partial consumption ability is stronger start to buy the fruit and vegerable being designated organic plantation, although taking the expense exceeding several times than common fruit and vegerable, but the testing agency that credibility is not higher proves the planting process of these " organic fruit and vegerable " or the up to standard of its " organic " quality.
At present Detecting Pesticide is had the detection technique of many maturations, such as biochemistry detection technology, has had that accuracy of detection high scope is wide and high repeatability and other advantages；It is not easy to hold yet with common biosensor its effective storage life section, poor stability, degree of accuracy and sensitivity, and need sample is carried out pre-treatment, analyze sample time long, it is unfavorable for scene and on-line checking, and also skilled person person need to be had just to complete the detection of pesticide residues, it is poorly suitable in production practices, the Accurate Analysis being relatively suitable in laboratory；As ordinary consumer or distributors, unless during specific demand, it is impossible to the pesticide residues state of these fruit and vegerable is carried out Site Detection targetedly, can only be the infringement accepting pesticide residues passively.Therefore, how to realize microscratch amount pesticide residues and detect fast and efficiently, make consumer, distributors agricultural product, food can be carried out Site Detection, become problem in the urgent need to address.
Utility model content
Technical problem to be solved in the utility model is, a kind of nano biological sensor fast detecting pesticide residue device is provided for the deficiencies in the prior art, realize microscratch amount pesticide residues to detect fast and efficiently, make consumer, distributors agricultural product, food can be carried out the quick of scene and be detected.
Technical problem to be solved in the utility model is achieved by the following technical solution:
A kind of nano biological sensor fast detecting pesticide residue device, including: nano biological detection group, described nano biological detection group includes: gather detector and the nano biological sensor of sample, the mass transfer of collection is given described nano biological sensor by described detector, and this material is detected and exports the signal of telecommunication by described nano biological sensor；Comparing unit, described comparing unit is connected with described nano biological sensor, and the limit value preset in the signal of telecommunication sent by described nano biological sensor and this comparing unit is analyzed, and show that testing result Data Concurrent send；Result display unit, described result display unit is connected with described comparing unit, and receives the testing result data that comparing unit sends, and shows testing result；Described nano biological sensor includes: electrode, cladding bio-sensitive film, physical transducers and amplifier on the electrodes；Described electrode is electrically connected with described physical transducers；Described physical transducers is electrically connected with described amplifier.
Preferably, described result display unit includes: control unit and two display lamps, the corresponding qualified printed words of one of them display lamp, the corresponding defective printed words of another display lamp, testing result data are transferred to control unit by described comparing unit, and one of them display lamp that described control unit controls in two display lamps is bright.
Preferably, described result display unit is processing display, and testing result data are transferred to processing display, described processing display display acceptance or rejection by described comparing unit.
Preferably, described nano biological sensor fast detecting pesticide residue device also includes the functional keys being arranged on nano biological sensor fast detecting pesticide residue crust of the device.
Nano biological sensor fast detecting pesticide residue device of the present utility model, the Fast nondestructive evaluation to fruit and vegetable surfaces persticide residue or other hazardous substances can be realized, determine that the hazardous substances such as pesticide residues, whether beyond the provisions of the relevant regulations issued by the State, send acousto-optic warning at once if exceeded；And detect equipment purchase and detection Cheng Chengben the lowest, general fruit and vegerable distributors, most of common people consumer, all can possess purchase use condition, by application of the present utility model, edible safety in the daily life of the common people can be ensured, the buying of distributors can be met in fact and preserve quality management demand.
With specific embodiment, the technical solution of the utility model is described in detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is this utility model nano biological sensor fast detecting pesticide residue device logical structure block diagram；
Fig. 2 is the detection method flow chart of steps of this utility model nano biological sensor fast detecting pesticide residue device；
Fig. 3 A is this utility model embodiment one nano biological sensor fast detecting pesticide residue apparatus structure front view；
Fig. 3 B is this utility model embodiment one nano biological sensor fast detecting pesticide residue apparatus structure side view；
Fig. 4 A is this utility model embodiment two nano biological sensor fast detecting pesticide residue apparatus structure front view；
Fig. 4 B is this utility model embodiment two nano biological sensor fast detecting pesticide residue apparatus structure side view；
Fig. 5 A is this utility model embodiment three nano biological sensor fast detecting pesticide residue apparatus structure front view；
Fig. 5 B is this utility model embodiment three nano biological sensor fast detecting pesticide residue apparatus structure side view.
Detailed description of the invention
Fig. 1 is this utility model nano biological sensor fast detecting pesticide residue device logic diagram, such as Fig. 1 and with reference to shown in Fig. 3 A and Fig. 4 A, nano biological sensor fast detecting pesticide residue device of the present utility model includes: nano biological detection group, and described nano biological detection group includes: detector 1 is used for gathering determinand sample, nano biological sensor 2；The mass transfer of collection is given described nano biological sensor 2 by described detector 1, and this material is detected and exports the signal of telecommunication by described nano biological sensor 2；Described nano biological sensor 2 includes: electrode 21, cladding bio-sensitive film 22, physical transducers 23 and amplifier 24 on the electrodes；Described electrode 21 is electrically connected with described physical transducers 23；nullDescribed physical transducers 23 is electrically connected with described amplifier 24，The material gathered is through diffusing into bio-sensitive film 22，Wherein，(that is described bio-sensitive film 2 have cured the enzyme material only reacted test substance，Different according to detection object，Use different bio-sensitive films)，Molecular recognition on bio-sensitive film 22，There is chemical reaction，And then make the current intensity on electrode 21 increase、Reduce or constant，Current intensity information is converted into the signal of telecommunication by described physical transducers 23，Amplified device 24 exports to comparing unit 3 after amplifying，Described comparing unit 3 is connected with described nano biological sensor 2，And the standard electric signal limiting value preset in the signal of telecommunication sent by described nano biological sensor 2 and this comparing unit 3 is analyzed，Show that testing result Data Concurrent send；Result display unit 4, described result display unit 4 is connected with described comparing unit 3, and receives the testing result data that comparing unit 3 sends, and shows testing result.The functional keys 7 being arranged on nano biological sensor fast detecting pesticide residue crust of the device is also included at described nano biological sensor fast detecting pesticide residue device.
Fig. 2 is the detection method flow chart of steps of this utility model nano biological sensor fast detecting pesticide residue device, and such as Fig. 2 and with reference to shown in Fig. 1, this utility model also provides for a kind of detection method, comprises the steps:
S1: detector 1 inserts in determinand, carries out sample collecting；
The sample gathered in S1 is analyzed by S2: nano biological sensor 2, and be converted to signal of telecommunication transmission, specifically, the material gathered in S1 is through diffusing into bio-sensitive film 22,, there is chemical reaction, and then make the current intensity on electrode 21 increase, reduce or constant in the molecular recognition on bio-sensitive film 22, current intensity information is converted into the signal of telecommunication by described physical transducers 23, and amplified device 24 exports after amplifying；
S3: described comparing unit 3 is received the signal of telecommunication after the amplification in S2, and the standard electric signal limiting value default with this comparing unit 3 is compared, and draw testing result data, and it is sent to result display unit 4.
In S3, when the value of electrical signals in S2 is more than the standard electric signal limiting value preset, comparing unit sends testing result number of non-compliances evidence to result display unit；When the signal of telecommunication in S2 less than or equal to preset standard electric signal limiting value time, comparing unit to result display unit send the qualified data of testing result or；
S4: described display result unit 4 is according to the testing result data display testing result received.
It should be noted that standard electric signal limiting value is: detect with the residual determinand containing standard chemical element, the signal of telecommunication limit value drawn.
Embodiment one
Fig. 3 A is this utility model embodiment one nano biological sensor fast detecting pesticide residue apparatus structure front view, Fig. 3 B is this utility model embodiment one nano biological sensor fast detecting pesticide residue apparatus structure side view, such as Fig. 3 A-3B and with reference to shown in Fig. 2, nano biological sensor fast detecting pesticide residue device in the present embodiment is desk-top nano biological sensor fast detecting pesticide residue device, it includes also including beyond above-mentioned parts: rotary-tray 6, is arranged on the functional keys 7 on desk-top survey instrument shell；Wherein, result display unit 5 is processing display 51, described processing display 51 is arranged on the shell of desk-top nano biological sensor fast detecting pesticide residue device, testing result data are transferred to processing display 51 by described analytic unit 4, described processing display 51 shows acceptance or rejection printed words, is available for testing staff and checks.
Detecting step:
S1 ': be placed in rotary-tray 6 by thing to be detected, presses functional keys 7, and detector 1 inserts in determinand, gathering determinand sample, after the most described detector 1 extracts determinand, rotary-tray 6 starts to rotate, detector 1, again insertable in determinand, carries out sample collecting；
The sample gathered in S1 is analyzed by S2 ': nano biological sensor 2, and be converted to signal of telecommunication transmission, specifically, the material gathered in S1 is through diffusing into bio-sensitive film 22,, there is chemical reaction, and then make the current intensity on electrode 21 increase, reduce or constant in the molecular recognition on bio-sensitive film 22, current intensity information is converted into the signal of telecommunication by described physical transducers 23, and amplified device 24 exports after amplifying；
S3 ': described comparing unit 3 is received the signal of telecommunication in S2, and default standard electric signal limiting value is compared with this comparing unit 3, and draw testing result data, and it is sent to result display unit 4, particularly as follows: when the value of electrical signals in S2 is more than the standard electric signal limiting value preset, comparing unit sends testing result number of non-compliances evidence to result display unit；When the signal of telecommunication in S2 is less than or equal to the standard electric signal limiting value preset, comparing unit sends the qualified data of testing result to result display unit；
S4 ': processing display 51 is according to the testing result data display acceptance or rejection printed words received.
Embodiment two
Fig. 4 A is this utility model embodiment two nano biological sensor fast detecting pesticide residue apparatus structure front view, Fig. 4 B is this utility model embodiment two nano biological sensor fast detecting pesticide residue apparatus structure side view, such as Fig. 4 A-4B and with reference to shown in Fig. 2, nano biological sensor fast detecting pesticide residue device in the present embodiment is hand-held, comprising: detector 1 is used for gathering determinand sample, nano biological sensor 2；The mass transfer of collection is given described nano biological sensor 2 by described detector 1, and this material is detected and exports the signal of telecommunication by described nano biological sensor 2；Described nano biological sensor 2 includes: electrode 21, cladding bio-sensitive film 22, physical transducers 23 and amplifier 24 on the electrodes；Described electrode 21 is electrically connected with described physical transducers 23；Described physical transducers 23 is electrically connected with described amplifier 24, the material gathered is through diffusing into bio-sensitive film 22, molecular recognition on bio-sensitive film 22, there is chemical reaction, and then make the current intensity on electrode 21 increase, reduce or constant, current intensity information is converted into the signal of telecommunication by described physical transducers 23, amplified device 24 exports to comparing unit 3 after amplifying, described comparing unit 3 is connected with described nano biological sensor 2, and the standard electric signal limiting value preset in the signal of telecommunication sent by described nano biological sensor 2 and this comparing unit 3 is analyzed, show that testing result Data Concurrent send；Result display unit 4, described result display unit 4 is connected with described comparing unit 3, and receives the testing result data that comparing unit 3 sends, and shows testing result.The functional keys 7 being arranged on nano biological sensor fast detecting pesticide residue crust of the device is also included at described nano biological sensor fast detecting pesticide residue device.
Described result display unit includes: control unit (not shown) and two display lamps 52, the corresponding qualified printed words of one of them display lamp 52, the corresponding defective printed words of another display lamp 52, testing result data are transferred to control unit by described comparing unit, and one of them display lamp that described control unit controls in two display lamps is bright.
Detecting step:
S1 ": hand-held nano biological sensor fast detecting pesticide residue device is directed at thing to be detected; after pressing functional keys 7; insert in determinand by detector 1; gather determinand sample; after the most described detector 1 extracts determinand; manual rotation thing to be detected, by detector 1 again insertable in determinand, carry out sample collecting；
S2 ": the sample gathered in S1 is analyzed by nano biological sensor 2; and be converted to signal of telecommunication transmission; specifically; the material gathered in S1 is through diffusing into bio-sensitive film 22; molecular recognition on bio-sensitive film 22, chemical reaction occurring, and then makes the current intensity on electrode 21 increase, reduce or constant; current intensity information is converted into the signal of telecommunication by described physical transducers 23, amplified device 24 exports after amplifying；
S3 ": described comparing unit 3 is received the signal of telecommunication in S2; and be analyzed with the standard electric signal limiting value preset in this comparing unit 3; and draw testing result data; and it is sent to result display unit 4; particularly as follows: when the value of electrical signals in S2 is more than the standard electric signal limiting value preset, comparing unit sends testing result number of non-compliances evidence to result display unit；When the signal of telecommunication in S2 is less than or equal to the standard electric signal limiting value preset, comparing unit sends the qualified data of testing result to result display unit；
S4 ": control unit receives the testing result data that comparing unit 3 sends, and the display lamp 52 controlling corresponding acceptance or rejection printed words is bright.
Embodiment three
Fig. 5 A is this utility model embodiment three nano biological sensor fast detecting pesticide residue apparatus structure front view, Fig. 5 B is this utility model embodiment three nano biological sensor fast detecting pesticide residue apparatus structure side view, such as Fig. 5 A and with reference to shown in Fig. 5 B, the structure of the Handheld detection device in the present embodiment is essentially identical with the structure of the Handheld detection device in embodiment two, difference is, detector 1 ' in the present embodiment is accommodated in Handheld detection device, detector 1 ' can be by connector and Handheld detection device grafting, during use, detector 1 ' is taken off from Handheld detection device, by interface, detector 1 ' is inserted in Handheld detection device；Or detector 1 is connected with Handheld detection device by rotary part, when deployed, the detector 1 ' being accommodated in Handheld detection device is produced and is used.
It addition, in the present embodiment, the result display unit of Handheld detection device is identical with the processing display 51 ' in embodiment one.
Nano biological sensor fast detecting pesticide residue device of the present utility model, the quick detection to fruit and vegetable surfaces persticide residue or other hazardous substances can be realized, determine that the hazardous substances such as pesticide residues, whether beyond the provisions of the relevant regulations issued by the State, send acousto-optic warning at once if exceeded；And detect equipment purchase and detection Cheng Chengben the lowest, general fruit and vegerable distributors, most of common people consumer, all can possess purchase use condition.By application of the present utility model, edible safety in the daily life of the common people can be ensured, the buying of distributors can be met in fact and preserve quality management demand.
Claims (4)
1. a nano biological sensor fast detecting pesticide residue device, it is characterised in that including:
Nano biological detection group, described nano biological detection group includes: gather detector and the nano biological sensor of sample, the mass transfer of collection is given described nano biological sensor by described detector, and this material is detected and exports the signal of telecommunication by described nano biological sensor；
Comparing unit, described comparing unit is connected with described nano biological sensor, and the standard electric signal limiting value preset in the signal of telecommunication sent by described nano biological sensor and this comparing unit is analyzed, and show that testing result Data Concurrent send；
Result display unit, described result display unit is connected with described comparing unit, and receives the testing result data that comparing unit sends, and shows testing result；
Described nano biological sensor includes: electrode, cladding bio-sensitive film, physical transducers and amplifier on the electrodes；Described electrode is electrically connected with described physical transducers；Described physical transducers is electrically connected with described amplifier.
2. nano biological sensor fast detecting pesticide residue device as claimed in claim 1, it is characterized in that, described result display unit includes: control unit and two display lamps, the corresponding qualified printed words of one of them display lamp, the corresponding defective printed words of another display lamp, testing result data are transferred to control unit by described comparing unit, and one of them display lamp that described control unit controls in two display lamps is bright.
3. nano biological sensor fast detecting pesticide residue device as claimed in claim 1, it is characterized in that, described result display unit is processing display, and testing result data are transferred to processing display, described processing display display acceptance or rejection by described comparing unit.
4. nano biological sensor fast detecting pesticide residue device as claimed in claim 1, it is characterized in that, described nano biological sensor fast detecting pesticide residue device also includes the functional keys being arranged on nano biological sensor fast detecting pesticide residue crust of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271031.5U CN205656162U (en) | 2016-04-01 | 2016-04-01 | Nanometer biosensor short -term test pesticide residue device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271031.5U CN205656162U (en) | 2016-04-01 | 2016-04-01 | Nanometer biosensor short -term test pesticide residue device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205656162U true CN205656162U (en) | 2016-10-19 |
Family
ID=57390707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620271031.5U Expired - Fee Related CN205656162U (en) | 2016-04-01 | 2016-04-01 | Nanometer biosensor short -term test pesticide residue device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205656162U (en) |
-
2016
- 2016-04-01 CN CN201620271031.5U patent/CN205656162U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | A novel headspace integrated E-nose and its application in discrimination of Chinese medical herbs | |
| CN102621192B (en) | Method for detecting freshness of mangos by aid of electronic nose | |
| CN101936912A (en) | Method and device for detecting freshness of fish based on olfaction visualization | |
| CN1453584A (en) | Fast non-destructive detection method and device of food smell based on gas sensor array technology | |
| WO2003102218A3 (en) | Hybrid microcantilever sensors | |
| WO2008133719A3 (en) | Methodology and apparatus for the detection of biological substances | |
| CN102628794A (en) | Method for quickly measuring total quantity of livestock meat bacteria based on hyperspectral imaging technology | |
| CN105866190A (en) | Electronic nose device for food detection and detection method | |
| WO2004034063A3 (en) | Detecting apparatus | |
| CN205656162U (en) | Nanometer biosensor short -term test pesticide residue device | |
| CN107091913A (en) | A kind of sewage monitoring system based on wireless sensor technology | |
| CN201689070U (en) | Detecting device for hogwash oil | |
| CN204439527U (en) | A kind of gas residue pick-up unit | |
| US20230168253A1 (en) | System and method for testing biological samples | |
| CN103983667A (en) | Apparatus and method for rapidly determining free fatty acid | |
| WO2008108872A3 (en) | Methodology and apparatus for the detection of biological substances | |
| CN104749174A (en) | Urine tyrosine detecting method | |
| CN205719938U (en) | Spectrum fast detecting pesticide residue device | |
| CN203241371U (en) | Portable multi-index impedance biosensor device | |
| CN213517080U (en) | Pesticide residue tachymeter for pesticide production | |
| CN213388670U (en) | Novel drug sensitivity detector | |
| CN107290402A (en) | Nano biological sensor fast detecting pesticide residue device and detection method | |
| CN208239409U (en) | A kind of animal products quality inspection device | |
| CN107655917A (en) | A kind of water body radiating particle activity detection analysis instrument | |
| CN204016266U (en) | Family endowment monitoring system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20200401 |