CN106442874A - Pesticide residue detection device and method - Google Patents
Pesticide residue detection device and method Download PDFInfo
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- CN106442874A CN106442874A CN201610757249.6A CN201610757249A CN106442874A CN 106442874 A CN106442874 A CN 106442874A CN 201610757249 A CN201610757249 A CN 201610757249A CN 106442874 A CN106442874 A CN 106442874A
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- 238000001514 detection method Methods 0.000 title claims abstract description 161
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003255 drug test Methods 0.000 claims 2
- 238000004891 communication Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- Food Science & Technology (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a pesticide residue detection device and method. A user cannot modify a detection result and accordingly can ensure the accuracy of the pesticide residue detection result of an agricultural product. The pesticide residue detection device comprise an RFID identification card identification module, a time and place obtaining module and a detection module, wherein the RFID identification card identification module is used for identifying identification card information of a detector and sending the identified identification card information of the detector to the detection module, the time and place obtaining module is used for identifying detection place information and current time of the national time service center after the RFID identification card identification module identifies the identification card information of the detector and sending the information and the current time to the detection module, and the detection module is used for detecting the pesticide residue content on the agricultural product to be detected by a detection department, generating a detection result in a read-only format and displaying the detection result.
Description
Technical Field
The invention relates to the technical field of pesticide residue detection, in particular to a pesticide residue detection device and method.
Background
At present, the method for detecting agricultural product residue is to place an object to be detected into a detection device, then to import the detected data into a computer or transmit the detected data to the computer through a data communication mode such as a wired network or a wireless network, the converted data format is a modifiable format such as a common EXECL, time and place can be modified manually, and the accuracy of the detection result of the agricultural product residue cannot be guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a pesticide residue detection device and method.
In one aspect, an embodiment of the present invention provides a pesticide residue detection apparatus, including:
the system comprises an RFID identification card identification module, a time and place acquisition module and a detection module; wherein,
the RFID identification card identification module is used for identifying the identification card information of a detector and sending the identified identification card information of the detector to the detection module;
the time and place acquisition module is used for acquiring detection place information and the current time of a national time service center after the RFID identification card identification module identifies the identification card information of the detector, and sending the detection place information and the current time to the detection module;
the detection module is used for detecting the content of pesticide residues on agricultural products to be detected by a unit, generating a detection result in a read-only format, and displaying the detection result, wherein the detection result comprises the identity card information of a detector, the detection place information, the current time and the content of the pesticide residues on the agricultural products to be detected by the unit.
On the other hand, the embodiment of the invention provides a pesticide residue detection method, which comprises the following steps:
the RFID identification card identification module identifies the identification card information of a detector and sends the identified identification card information of the detector to the detection module;
the time and place acquisition module acquires detection place information and the current time of a national time service center after the RFID identification card identification module identifies the identification card information of the detector, and sends the detection place information and the current time to the detection module;
the detection module detects the content of pesticide residue on agricultural products to be detected by a unit, generates a detection result in a read-only format, and displays the detection result, wherein the detection result comprises the identity card information of a detector, the detection place information, the current time and the content of the pesticide residue on the agricultural products to be detected by the unit.
According to the pesticide residue detection device and method provided by the embodiment of the invention, the RFID identification module is used for identifying the identification card information of a detector, the time and place acquisition module is used for acquiring the detection place information and the current time of the national time service center, the detection module is used for detecting the content of pesticide residue on agricultural products to be detected by a unit, and a read-only format detection result comprising the identification card information, the detection place information, the current time of the detector and the content of pesticide residue on the agricultural products to be detected by the unit is generated, so that a user cannot modify the detection result, the accuracy of the detection result of pesticide residue on the agricultural products can be ensured, a powerful detection data support is provided for a supervision department, an operator can be traced back, people are responsible, and agricultural product enterprises are also supervised to use less pesticide.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a pesticide residue detection apparatus according to the present invention;
fig. 2 is a schematic flow chart of an embodiment of the pesticide residue detection method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The data processing of the following pesticide residue detection device and method is performed based on the Linux system.
Referring to fig. 1, the present embodiment discloses a pesticide residue detection apparatus, including:
the system comprises an RFID identification card identification module 1, a time and place acquisition module 2 and a detection module 3; wherein,
the RFID identification card recognition module 1 is used for recognizing the identification card information of a detector and sending the recognized identification card information of the detector to the detection module 3;
the time and place acquisition module 2 is configured to acquire detection place information and current time of a national time service center after the RFID identification module identifies the identification card information of the detector, and send the detection place information and the current time to the detection module 3;
in specific application, the time and place acquisition module 2 can acquire the detection place information and the current time of the national time service center through the Beidou communication module, which is different from the conventional way of acquiring time from equipment, wherein the conventional way of acquiring time from equipment is to acquire time by using a crystal oscillator, the higher the crystal oscillator is, the more accurate the time is, but the acquired time can be manually operated at the background to modify the time. According to the invention, the Beidou communication module is adopted to acquire the detection place information and the time of the national time service center, and the two kinds of information can not be modified manually. This provides a strong support for tamper resistance in time and place for pesticide residue detection.
The detection module 3 is configured to detect the content of pesticide residue on the unit agricultural product to be detected, generate a detection result in a read-only format, and display the detection result, where the detection result includes the identity card information of the detector, the detection location information, the current time, and the content of pesticide residue on the unit agricultural product to be detected.
It should be noted that the detection module 3 may use the embedded Linux system as a development design environment, and use the idea of all files of the Linux system to encrypt and protect the text of the detection result, so as to ensure that the detection result is not modified. Setting the detection result as a read-only format can be realized by setting file permissions on the file, specifically, permissions of a group to which the file mode belongs, user groups and other groups can be set as read operations, and a flag of the file is set to perform read-only operations. The reading setting of the three attributes and the setting of the file flag can ensure that no matter what operator can operate the file only in a reading mode. No changes can be made to the file. And the operation of the file is controlled by adopting a design mode of a standard C language bottom layer, so that the file conforms to the standard ANSC standard, and the opening of the information in a common system such as a windows linux window is facilitated.
According to the pesticide residue detection device provided by the embodiment of the invention, the RFID identification module is used for identifying the identification card information of a detector, the time and place acquisition module is used for acquiring the detection place information and the current time of the national time service center, the detection module is used for detecting the content of the pesticide residue on the agricultural product to be detected by a unit, and a read-only format detection result comprising the identification card information, the detection place information, the current time and the content of the pesticide residue on the agricultural product to be detected by the unit is generated, so that a user cannot modify the detection result, the accuracy of the detection result of the pesticide residue on the agricultural product can be ensured, a powerful detection data support is provided for a supervision department, an operator can be traced back to take charge, and an agricultural product enterprise is also supervised to use less pesticide.
On the basis of the foregoing embodiment of the apparatus, the detection module 3 may include the following structure not shown in the drawings:
a residual medicine detection input end 30, a sensor submodule 31, an A/D data conversion submodule 32, a data processing submodule 33, a storage submodule 34 and a display submodule 35;
the residual medicine detection input end 30 is configured to weigh the agricultural product to be detected after the RFID identification card recognition module recognizes the identification card information of the detector, send a weighing result to the data processing sub-module 33, and crush and squeeze the weighed agricultural product into liquid;
the sensor submodule 31 is configured to detect the content of pesticide residue in the liquid, and send the detected content of pesticide residue to the a/D data conversion submodule 32;
in this embodiment, the number of the residual medicine detection input ends is at least one, and the sensor sub-module includes at least one sensor, and each sensor is used for detecting the content of one pesticide residue in the liquid obtained by crushing and pressing the agricultural product at one residual medicine detection input end. The sensor submodule 31 can detect pesticide residues by separately inputting liquid obtained by crushing and squeezing agricultural products, and can detect a plurality of components by distinguishing the previous detection of the same input port, so that the detection result is prevented from being influenced by the reaction among different residues in the detection process. Carry out seamless connection through the detachable mode between each remains medicine detection input and each sensor, make things convenient for the washing of each input, ensure the accuracy that the incomplete detection of farming.
The a/D data conversion sub-module 32 is configured to perform analog-to-digital conversion on the data sent by the sensor sub-module 31, and send a conversion result to the data processing sub-module 33;
the data detected by each sensor is an analog signal, and the analog signal needs to be subjected to digital signal conversion, in the embodiment of the invention, a high-precision special 24-bit A/D chip can be used as the A/D data conversion sub-module 32, and each A/D sampling chip can be used for converting the data acquired by 3 paths of sensors, so that 2A/D sampling chips can be used for converting the data acquired by 6 different sensors.
The data processing submodule 33 is configured to calculate the content of pesticide residue on a unit agricultural product to be detected according to the weight data of the agricultural product and the content of pesticide residue obtained by conversion by the a/D data conversion submodule 32, generate a detection result in the read-only format, and send the detection result to the storage submodule 34 and the display submodule 35;
the data processing sub-module 33 realizes the algorithm analysis of the data converted by the a/D data conversion sub-module 32, and the algorithm analysis adopts an averaging method. Specifically, for each liquid to be detected, the pesticide residue content of the liquid to be detected can not be obtained by only one detection, so that a plurality of groups of data are required to be measured.
The storage submodule 34 is configured to store the detection result;
in a specific application, the storage sub-module 34 may store the detection result as a symbolic link file. The symbol link file is an indirect pointer to a file, and the invention adopts a link file mode when recording the detection result, and can record the times of copying the file by using the file, thereby being convenient for further strengthening the management of the file.
The display submodule 35 is configured to display the detection result.
It should be noted that, in addition to displaying the detection result by using the display submodule 35, the control operation of the device may also be performed through the display interface of the display submodule 35, including switching on and off the device, and manually or automatically triggering the operation of crushing the agricultural product when the agricultural product is put into the inspection input end, but the detection result cannot be modified. In addition, the name of the agricultural product and the identifier of the sensor for detection may be input through the interface of the display sub-module 35, so that the data processing sub-module 33 adds the name of the agricultural product and the identifier of the sensor for detection to the detection result when generating the detection result, so as to improve the content of the detection result.
In addition, on the basis of the foregoing device embodiment, the time and place acquisition module 2 may further record the time taken for the detection by the sensor submodule 31 by a monotone time, and send the time taken for the detection by the sensor submodule 31 to the data processing submodule 33, so that the data processing submodule 33 generates the detection result of the read-only format, which includes the time taken for the detection by the sensor submodule 31.
In general, the time and place acquisition module 2 comprises 2 parts, one part is provided by a Beidou communication module, the other part is provided by an embedded core processor crystal oscillator, and the Beidou communication module acquires the time provided by a national time service center and provides accuracy for detecting the time. The embedded system records the time required by detection data by using the monotone time which can be generated by the embedded system, and the time can be used as the reference of the detection result of the agricultural product to verify the detection result because the nonlinear direct proportional relation exists between the detection time and the pesticide residue content.
On the basis of the foregoing embodiment of the apparatus, the apparatus may further include:
a transmission module 4; wherein,
the transmission module 4 is configured to transmit the data stored by the storage submodule 34 to other devices.
Specifically, transmission module 4 can realize the local direct storage to the testing result, and has the medium network of transmission, and when the testing result transmitted other equipment, can carry out the transmission of data through medium storage device, wired network or wireless network WIFI's transmission mode. The detection result can not be modified in the transmitted equipment, so that the detection data can be effectively protected without tampering.
Referring to fig. 2, the present embodiment discloses a pesticide residue detection method, including:
s1, the RFID identification card recognition module recognizes the identification card information of the detector and sends the recognized identification card information of the detector to the detection module;
s2, the time and place acquisition module acquires detection place information and the current time of a national time service center after the RFID identification module identifies the identification card information of the detector, and sends the detection place information and the current time to the detection module;
s3, the detection module detects the content of pesticide residue on the agricultural product to be detected by a unit, generates a detection result in a read-only format, and displays the detection result, wherein the detection result comprises the identity card information of the detector, the detection place information, the current time and the content of the pesticide residue on the agricultural product to be detected by the unit.
According to the pesticide residue detection method provided by the embodiment of the invention, the identity card information of a detector is identified through the RFID identity card identification module, the detection site information and the current time of the national time service center are acquired through the time and site acquisition module, the content of the pesticide residue on the agricultural product to be detected in a unit is detected through the detection module, and the detection result in a read-only format comprising the identity card information, the detection site information, the current time and the content of the pesticide residue on the agricultural product to be detected in the unit is generated, so that a user cannot modify the detection result, the accuracy of the detection result of the pesticide residue on the agricultural product can be ensured, a powerful detection data support is provided for a supervision department, an operator can be traced back to take charge, and an agricultural product enterprise is also supervised to use less pesticide.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (8)
1. A pesticide residue detection device, characterized by comprising:
the system comprises an RFID identification card identification module, a time and place acquisition module and a detection module; wherein,
the RFID identification card identification module is used for identifying the identification card information of a detector and sending the identified identification card information of the detector to the detection module;
the time and place acquisition module is used for acquiring detection place information and the current time of a national time service center after the RFID identification card identification module identifies the identification card information of the detector, and sending the detection place information and the current time to the detection module;
the detection module is used for detecting the content of pesticide residues on agricultural products to be detected by a unit, generating a detection result in a read-only format, and displaying the detection result, wherein the detection result comprises the identity card information of a detector, the detection place information, the current time and the content of the pesticide residues on the agricultural products to be detected by the unit.
2. The apparatus of claim 1, wherein the detection module comprises:
the device comprises a residual medicine detection input end, a sensor submodule, an A/D data conversion submodule, a data processing submodule, a storage submodule and a display submodule;
the residual medicine detection input end is used for weighing the agricultural product to be detected after the RFID identification card identification module identifies the identification card information of the detector, sending the weighing result to the data processing submodule and crushing and squeezing the weighed agricultural product into liquid;
the sensor submodule is used for detecting the content of the pesticide residue in the liquid and sending the detected content of the pesticide residue to the A/D data conversion submodule;
the A/D data conversion submodule is used for carrying out analog-to-digital conversion on the data sent by the sensor submodule and sending a conversion result to the data processing submodule;
the data processing submodule is used for calculating the content of the pesticide residue on the unit agricultural product to be detected according to the weight data of the agricultural product and the content of the pesticide residue obtained by conversion of the A/D data conversion submodule, generating a detection result in a read-only format, and sending the detection result to the storage submodule and the display submodule;
the storage submodule is used for storing the detection result;
and the display submodule is used for displaying the detection result.
3. The apparatus of claim 2, wherein the number of residual drug test inputs is at least one, and the sensor sub-module includes at least one sensor, each sensor for sensing a level of a pesticide residue in the liquid from the crushing and pressing of the agricultural product at one of the residual drug test inputs.
4. The apparatus of claim 2, wherein the a/D data conversion submodule comprises 2 a/D sampling chips.
5. The device of claim 2, wherein the time and place acquisition module is further configured to record the time taken for the detection of the sensor submodule and send the time taken for the detection of the sensor submodule to the data processing submodule;
the data processing sub-module is specifically configured to generate a detection result in the read-only format that includes time consumed for detection by the sensor sub-module.
6. The apparatus of claim 2, further comprising:
a transmission module; wherein,
and the transmission module is used for transmitting the data stored by the storage submodule to other equipment.
7. The apparatus of claim 1, wherein the storage sub-module is configured to store the detection result as a symbolic link file.
8. A method for detecting pesticide residue based on the device of claim 1, comprising:
the RFID identification card identification module identifies the identification card information of a detector and sends the identified identification card information of the detector to the detection module;
the time and place acquisition module acquires detection place information and the current time of a national time service center after the RFID identification card identification module identifies the identification card information of the detector, and sends the detection place information and the current time to the detection module;
the detection module detects the content of pesticide residue on agricultural products to be detected by a unit, generates a detection result in a read-only format, and displays the detection result, wherein the detection result comprises the identity card information of a detector, the detection place information, the current time and the content of the pesticide residue on the agricultural products to be detected by the unit.
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| CN201610757249.6A CN106442874A (en) | 2016-08-29 | 2016-08-29 | Pesticide residue detection device and method |
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| CN201610757249.6A CN106442874A (en) | 2016-08-29 | 2016-08-29 | Pesticide residue detection device and method |
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Application publication date: 20170222 |