CN117910984A - Hair sample rapid searching system and method based on passive lighting RFID tag - Google Patents
Hair sample rapid searching system and method based on passive lighting RFID tag Download PDFInfo
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Abstract
The invention discloses a hair sample rapid searching system and a hair sample rapid searching method based on a passive lighting RFID label, wherein the hair sample rapid searching system comprises a handheld scanning device, an application terminal, a bar code scanning device, an intelligent material evidence cabinet and a server; and a sample warehouse-in management module, a sample warehouse-out management module and a sample visual management center are integrated in the server. The problems of low management efficiency, easy error, high cost and the like of massive hair samples in the traditional and the prior art are solved. Through digital processing, high-efficient searching device, realize the quick and accurate location to the hair sample, improve management efficiency, reduce the manual error, shorten the searching time, reduced operation cost simultaneously. Advanced and reliable technical support is provided for fields of study of drugs, forensics, criminal investigation and the like, and a brand new solution is provided for large-scale hair sample management.
Description
Technical Field
The invention belongs to the field of intelligent management of hair samples, and particularly relates to an intelligent hair sample management system of a passive lighting RFID tag.
Background
In the field of analysis of drugs, analytical detection of hair matrix is becoming more and more interesting, and becomes a key evidence for the identification of drug-taking illegal behaviors. Unlike blood and urine, the drug components in the hair are more stable, and reliable and long-term drug-taking traceability information is provided. However, the traditional manual management method has the problems of low efficiency, easy error and inadaptation to the big data age.
Traditional manual management approaches rely on manual sorting, numbering and storage, resulting in inefficiency for large-scale hair samples, making it difficult to quickly respond to drug events or large-scale monitoring needs. The manual management is easy to introduce errors, so that the searching difficulty is increased, and inaccurate monitoring results can be caused. Meanwhile, with explosive growth of monitoring data, the traditional manual management mode cannot meet the requirement of the big data age, and cannot quickly search and process large-scale data.
The technical scheme based on bar codes or traditional RFID tags improves the management convenience and the sample information accuracy in the informatization process. However, these schemes still have some problems. Bar code or traditional RFID tag based solutions, although being able to be positioned to a certain box or box, require significant labor and time costs due to the specificity of the hair sample, even in a box or box, to quickly find a unique sample.
In particular, conventional RFID tag based solutions require modification of the storage cabinet and installation of an RFID antenna for each case or box. Since most of the storage cabinets are made of metal, the metal interferes with the RFID antenna, which results in a lot of time being spent adjusting the antenna during the implementation process, increasing the reconstruction cost, and being able to locate only a certain box, it is difficult to find a unique hair sample in it quickly.
In drug events or crime surveys, rapid and accurate localization and extraction of hair samples is critical to emergency response. Automated lookup means and graphical location information make a fast response more feasible.
Disclosure of Invention
In order to solve the defects and problems in the prior art, the invention provides a hair sample rapid searching system and a searching method based on a passive lighting RFID label, which solve the problems of low management efficiency, easy error, high cost and the like of mass hair samples in the prior art and the traditional technology. Through digital processing, high-efficient searching device, realize the quick and accurate location to the hair sample, improve management efficiency, reduce the manual error, shorten the searching time, reduced operation cost simultaneously. Advanced and reliable technical support is provided for fields of study of drugs, forensics, criminal investigation and the like, and a brand new solution is provided for large-scale hair sample management.
The technical scheme of the invention is that the hair sample rapid searching system based on the passive lighting RFID tag comprises a handheld scanning device, an application terminal, a bar code scanning device, an intelligent material evidence cabinet and a server; a sample warehouse-in management module, a sample warehouse-out management module and a sample visual management center are integrated in the server;
the handheld scanning device, the bar code scanning device, the application terminal, the intelligent material evidence cabinet and the server are connected to a local area network through twisted pair wires and perform bidirectional data exchange;
A plurality of drawers or grids are arranged in the intelligent material evidence cabinet and used for storing hair sample boxes, and the hair sample boxes have special structures;
The hair sample box is used for storing hair sample packages attached with the passive lighting RFID tags, so that the hair sample packages are stored orderly and do not shade the LED lamps on the passive lighting RFID tags when being stored, and constraint conditions are provided for the passive lighting RFID tags;
the bar code scanning device is in data exchange with the sample warehouse management module, is connected with the application terminal through a USB and is used for identifying the ID of the passive lighting RFID tag;
the handheld scanning device exchanges data with the sample ex-warehouse management module, sends out radio frequency information to identify the passive lighting RFID tag with the known ID, and simultaneously emits light from the LED lamp on the read passive lighting RFID tag;
The sample warehouse management module binds the detailed information of the hair samples and the packages thereof to the passive lighting RFID tags, the bound passive lighting RFID tags are then attached to the hair sample packages, and unique passive lighting RFID tag IDs of each packaged hair sample are given; the user accesses the sample storage management module through the application terminal, and selects a hair sample box meeting the storage requirement, and at the moment, the sample storage management module sends a request for binding a hair sample and the hair sample box to the sample visualization management center;
The sample visual management center graphically initializes the hair sample boxes in the intelligent material evidence cabinet to generate accurate graphical position information of each hair sample box in the intelligent material evidence cabinet; after the sample warehouse management module finishes binding the passive lighting RFID tag, a user accesses the sample visual management center through the application terminal, and the sample visual management center returns the graphical position information of the current hair sample box and the detailed information of the hair sample bound with the passive lighting RFID tag; when the sample warehouse management module sends a request for binding a hair sample and a hair sample box to the sample visual management center, the sample visual management center finally completes the binding process of the hair sample and the hair sample box; through the sample visual management center, intelligent warehouse entry of the hair samples is realized, and each initialized hair sample box is comprehensively and comprehensively managed, so that efficient and visual management and positioning of the hair samples are realized;
The sample ex-warehouse management module returns the detail information of the warehouse-in hair samples to the application terminal, after the user inquires and determines the selected hair samples by the application terminal, the application terminal initiates a hair sample box position information request to the sample visualization management center, and the sample visualization management center returns the position information of the selected hair sample box to the application terminal in a graphical mode, so that the user can quickly position the selected hair sample box through the graphical information; the user determines the selected hair sample box through the application terminal and initiates a door opening command, and remotely opens a drawer or a grid of the intelligent material evidence cabinet where the selected hair sample box is located; meanwhile, the sample ex-warehouse management module writes the ID of the passive lighting RFID tag bound by the hair sample in the selected hair sample box into the handheld scanning device, and finds the selected hair sample through the handheld scanning device, so that intelligent ex-warehouse of the hair sample is realized.
A hair sample quick searching method based on a passive lighting RFID tag is characterized by comprising the following steps:
First, initialize
The sample visual management center graphically initializes the hair sample boxes in the intelligent material evidence cabinet, generates accurate graphical position information of each hair sample box in the intelligent material evidence cabinet, and returns corresponding graphical position information when the application terminal initiates access;
(II) warehouse entry of Hair samples
(1) Placing a hair sample in a hair sample package by a user, and attaching a passive light RFID tag to the package;
(2) The user identifies the ID of the passive lighting RFID tag through a bar code scanning device;
(3) The user inputs corresponding hair sample information;
(4) The sample warehouse management module binds the passive lighting tag ID with the entered hair sample information and stores the passive lighting tag ID in a database, and simultaneously sends the passive lighting RFID tag ID to a sample visual management center;
(5) After receiving the passive lighting RFID tag ID sent by the sample warehouse management module, the sample visual management center returns the graphical position information and the bound information of the hair sample box in the current intelligent material evidence cabinet to the application terminal;
(6) The user checks the graphical position information returned by the sample visual management center through the application terminal, and after the corresponding hair sample box is selected for the hair sample with the passive lighting RFID tag ID, a request for warehousing the hair sample is initiated;
(7) After receiving the sample warehousing request, the sample visual management center binds the passive lighting RFID tag ID with the selected imaging position information of the hair sample box, stores the imaging position information of the selected hair sample box in a database, and simultaneously initiates a cabinet opening instruction to the intelligent material evidence cabinet;
(8) The intelligent material evidence cabinet automatically opens the corresponding drawer/grid after receiving the cabinet opening instruction, and simultaneously sends the drawer/grid to the sample warehouse-in management module to be opened;
(9) The user places the hair sample attached with the passive lighting RFID tag in the selected hair sample box, then closes the drawer/grid, and the intelligent material evidence cabinet sends the state of the drawer/grid to the sample warehouse management module to be closed;
(10) After the sample warehouse-in management module receives the state of the drawer/grid as closed, confirming that the warehouse-in is finished;
(III) leaving the Hair sample
(1) A user sends a request for ex-warehouse to a sample ex-warehouse management module through an application terminal, and the sample ex-warehouse management module initiates a request for inquiring a warehouse-in hair sample list to the sample warehouse-in management module;
(2) The sample warehouse-in management module returns a warehouse-in hair sample list to the sample warehouse-out management module, and the sample warehouse-out management module returns the returned list to the application terminal after receiving the returned list;
(3) The user inquires and selects hair samples needing to be delivered through the application terminal;
(4) The application terminal sends the hair sample information selected by the user to a sample ex-warehouse management module, and the sample ex-warehouse management module sends a position inquiry request to a sample visual management center through the ID of the passive lighting RFID tag bound by the hair sample;
(5) After receiving the ID of the passive lighting RFID tag sent by the sample delivery management module, the sample visual management center highlights the hair sample box where the ID is positioned in a graphical interface and returns the hair sample box to the sample delivery management module, the sample delivery management module returns the hair sample box to the application terminal, and meanwhile, the sample delivery management module sends the ID of the passive lighting RFID tag to the handheld scanning device and initiates a door opening instruction to the intelligent material evidence cabinet;
(6) After receiving the door opening command, the intelligent material evidence cabinet opens the corresponding drawer/grid and sends the drawer/grid state to the sample warehouse-out management module to open the door;
(7) The handheld scanning device temporarily stores the ID of the passive lighting RFID tag sent by the sample ex-warehouse management module and waits for scanning operation after receiving the ID;
(8) The user picks up the handheld scanning device to find the corresponding hair sample box, presses the scanning button, the handheld scanning device scans one by one according to the temporarily stored ID of the passive lighting RFID tag, the LED lamp on the passive lighting RFID tag is lighted after the passive lighting RFID tag is identified, the user quickly finds a target hair sample in the package according to the light source, and the lighted ID of the LED is deleted;
(9) After the user finds the target hair sample, then the drawer/grid is closed, and the material evidence cabinet sends the drawer/cabinet state to the sample warehouse-out management module to be closed;
(10) The hair sample delivery management module confirms that the delivery is finished.
To ensure that the hair sample cartridge can be mounted within a drawer or compartment of the smart material evidence cabinet while ensuring that the hair sample packages are stored orderly within the hair sample cartridge, the present invention demonstrates certain constraints on the hair sample cartridge in fig. 2. The hair sample box is trapezoid in shape and is divided into a plurality of grids by baffle plates, each baffle plate is equal, and hair samples are packaged and placed in the grids; the overall height of the hair sample box is smaller than the drawer/grid height of the material evidence cabinet; the height of each baffle is equal to the hair sample packaging height minus the diameter of the LED lamp in the passive lighting RFID tag; the spacing between adjacent baffles is greater than the thickness of a hair sample package containing a hair sample; the height difference between adjacent baffles is greater than the diameter of the LED lamps in the passive lit RFID tag. The novel scheme improves the convenience and accuracy of hair sample delivery through intelligent equipment and graphic information.
To ensure that the passive light tag can be attached to the hair sample package, there is therefore also a constraint on it, as shown in particular in fig. 3. The constraints of passive lighting RFID tags are: the width of the passive light label is smaller than the packaging width of the hair sample, and the height of the passive light label is smaller than the packaging height of the hair sample.
The invention has the following beneficial effects:
1. The automated hair sample management system can rapidly and accurately locate, retrieve and manage a large number of hair samples, thereby significantly improving the working efficiency, avoiding relying on the traditional manual classification and storage modes, and reducing the labor and time costs.
2. The automatic hair sample management system can reduce the requirement of manual operation, reduce the operation cost, does not need a large number of personnel to manage and search samples, and realizes more economic and efficient operation.
3. The automated hair sample management system can reduce the risk of human errors, such as sample identification errors, disordered storage positions and other problems, reduce the error rate and improve the reliability and accuracy of data.
4. By means of digital recording and the introduction of unique Identification (ID), each hair sample has unique traceability, so that information such as sources, acquisition time and the like of the samples can be tracked rapidly and accurately when needed, and the credibility of scientific research and detoxification work is improved.
5. Through RFID technology, graphical information and automation equipment, the management of the hair sample is more intelligent and visual, and the level of scientific research and investigation work is improved.
6. The passive bright lamp label technology is adopted to avoid large-scale reconstruction of the material evidence cabinet, and the reconstruction cost is reduced; meanwhile, through cloud data storage, investment of a large number of hardware devices in a traditional mode is avoided.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a constraint explanatory view of the sample cartridge of the present invention;
Fig. 3 is a label constraint explanatory diagram of the present invention.
Detailed Description
As shown in fig. 1, a hair sample rapid searching system based on a passive lighting RFID tag comprises a handheld scanning device, an application terminal, a bar code scanning device, an intelligent material evidence cabinet and a server; a sample warehouse-in management module, a sample warehouse-out management module and a sample visual management center are integrated in the server;
the handheld scanning device, the bar code scanning device, the application terminal, the intelligent material evidence cabinet and the server are connected to a local area network through twisted pair wires and perform bidirectional data exchange;
The handheld scanning device is used for carrying out data exchange with the sample ex-warehouse management module, sending out radio frequency information to identify the RFID tag, and simultaneously emitting light from the LED lamp on the read passive lighting RFID tag;
The bar code scanning device is used for exchanging data with the sample warehouse management module, is connected with the application terminal through USB and is used for identifying the ID of the passive lighting RFID tag.
The intelligent material evidence cabinet is internally provided with a plurality of drawers or grids for storing hair sample boxes, and the hair sample boxes are used for storing hair sample packages attached with passive lighting RFID labels.
The WEB server adopts any version of Nginx, the database adopts Mysql 5.7, and the programming language selects JAVA. The system architecture adopts Spring Boot 2 and Vue 2.0 to combine. The communication protocol with the intelligent material evidence cabinet adopts an HTTPS interface protocol, and the communication protocol with the handheld scanning device adopts a TCP/IP interface protocol. The handheld scanning device supports an RFID handheld reader of TCP/IP interface protocol.
As the technical scheme of the invention, the application terminal comprises an integrated touch computer, a tablet personal computer, a notebook computer, a desktop computer and the like, and has a network connection function. Its main function is to interact with the user's graphical interface.
As the technical scheme of the invention, the bar code scanning device is a device for supporting bar codes and two-dimensional code recognition.
As the technical scheme of the invention, the intelligent material evidence cabinet is an intelligent cabinet supporting remote management and is used for storing the hair sample box.
As the technical scheme of the invention, the hair sample box is specially designed for storing the hair sample package with the passive lighting RFID tag, and has the function of enabling the hair sample to be stored orderly without shielding the LED lamp on the passive lighting tag, so that the hair sample box has certain constraint. As shown in fig. 2, the hair sample box is trapezoid in shape and is divided into a plurality of grids by baffle plates, each baffle plate is equal, hair sample packages are placed in the grids, and the overall height of the hair sample box is smaller than the height of a material evidence cabinet drawer; the height of each baffle is equal to the hair sample packaging height minus the diameter of the LED lamp in the passive lighting RFID tag; the distance between the adjacent baffles is slightly larger than the thickness of the hair sample after being packed; the height difference between adjacent baffles is greater than the diameter of the LED lamps in the passive lit RFID tag.
As a technical scheme of the invention, the passive light tag is that an LED is added on the basis of a traditional RFID tag, a battery is not needed, and the LED is lightened by the energy of radio waves. The function of the LED light source is that the LED light source has the function of a common RFID tag, and when the tag is positioned, the LED light source can emit flashing, so that a user can more intuitively identify the LED light source, the position of a hair sample can be rapidly positioned, and the LED light source is attached to the hair sample package, so that the LED light source has certain constraint on the LED light source, and particularly as shown in fig. 3, the width of the passive light source is smaller than the package width of the hair sample, and the height of the passive light source is smaller than the package height of the hair sample.
Implementation steps
First, initialize
(1) The user customizes the hair sample box according to the existing material evidence cabinet and installs it in the drawer/grid of the material evidence cabinet.
(2) The user accesses the server through the application terminal, the server returns to the login interface, the user inputs a user name and a password through the application terminal, and the material evidence cabinet is selected for management after login is successful.
(3) The sample visual management center returns to the material evidence cabinet initialization interface, a user inputs the number of lines of the material evidence cabinet, the number of columns of the material evidence cabinet, the number of lines of the drawers/grids and the number of columns of the drawers/grids through an application terminal, wherein the number of lines and the number of columns of the material evidence cabinet determine how many drawers/grids are arranged in the material evidence cabinet, the number of lines and the number of columns of the drawers/grids respectively represent numbers, the number of lines of the drawers/grids determine the number of hair sample boxes arranged in each drawer/grid, the number of lines of the drawers/grids is represented by numbers, and the number of columns of the drawers/grids is represented by capital letters. The hair sample boxes of the third row and column in the drawer/grid, such as the first row and second column of the material evidence cabinet, are labeled 1-2-A3 in the sample visualization management center.
The accurate graphical position information of each hair sample box in the intelligent material evidence cabinet is generated through the sample visual management center, and corresponding graphical position information is returned when the application terminal initiates access.
(II) warehouse entry of Hair samples
(1) The user places the hair sample in a hair sample package and attaches a passive light RFID tag to the package.
(2) The user accesses the server through the application terminal, selects the hair sample to be put in storage, the sample put-in-storage management module returns a sample information input interface, and the user identifies the ID of the passive lighting RFID tag through the bar code scanning device.
(3) The user inputs corresponding hair sample information and clicks to confirm.
(4) The application terminal initiates a binding request of the hair sample information and the passive light tag ID to the sample warehousing management module, the sample warehousing management module binds the passive light tag ID and the entered hair sample information and stores the passive light tag ID and the entered hair sample information in the database, and meanwhile the passive light tag ID is sent to the sample visual management center.
(5) And after receiving the passive light tag ID sent by the sample warehouse management module, the sample visual management center returns the graphical position information and the bound information of the hair sample box in the current material evidence cabinet to the application terminal.
(6) And the user checks the graphical position information returned by the sample visual management center through the application terminal, selects a corresponding hair sample box for the hair samples which are bound with the passive lighting RFID tag ID, and clicks the confirmation.
(7) The application terminal initiates a binding request of the passive lighting tag ID and the hair sample box to the sample visual management center, and the sample visual management center binds the passive lighting tag ID and the imaging position information of the hair sample box and stores the binding request in a database, and simultaneously initiates a cabinet opening instruction to the material evidence cabinet.
(8) After receiving the cabinet opening instruction, the material evidence cabinet automatically opens the corresponding drawer/grid, and simultaneously sends the drawer/grid to the sample warehouse management module to be opened. The user places the hair sample with the passive light label attached in the selected hair sample cartridge, closing the drawer/compartment. The material evidence cabinet sends the state of the drawer/grid to the sample warehouse management module to be closed.
(9) And after the sample warehouse-in management module receives that the state of the drawer/grid is closed, confirming that the warehouse-in is finished.
(III) leaving the Hair sample
(1) The user selects a sample to be taken out of the warehouse through the application terminal.
(2) The application terminal sends out a request for ex-warehouse to the sample ex-warehouse management module, and the sample ex-warehouse management module initiates a request for inquiring the warehouse-in hair sample list to the sample warehouse-in management module.
(3) The sample warehouse-in management module returns a warehouse-in hair sample list to the sample warehouse-out management module, and the sample warehouse-out management module returns the returned list to the application terminal after receiving the returned list.
(4) And the user clicks and confirms after inquiring and selecting the hair sample which needs to be delivered through the application terminal.
(5) The application terminal sends the hair sample information selected by the user to the sample ex-warehouse management module, and the sample ex-warehouse management module sends a position inquiry request to the sample visual management center through the ID of the passive lighting RFID tag bound by the hair sample.
(6) After receiving the ID of the passive lighting RFID tag sent by the sample delivery management module, the sample visualization management center highlights the hair sample box where the ID is located in the graphical interface and returns the hair sample box to the sample delivery management module, and then the hair sample box is returned to the application terminal by the sample delivery management module. Meanwhile, the sample ex-warehouse management module sends the ID of the passive lighting RFID tag to the handheld scanning device, and initiates a door opening instruction to the intelligent material evidence cabinet.
(7) After receiving the door opening command, the intelligent material evidence cabinet opens the corresponding drawer/grid and sends the drawer/grid state to the sample warehouse-out management module to open the door. The handheld scanning device receives the ID of the passive lighting RFID tag sent by the sample ex-warehouse management module, and then temporarily stores the ID and waits for scanning operation.
(8) The user picks up the handheld scanning device, finds the corresponding hair sample box, and presses the scanning button.
(9) The handheld scanning device can sequentially scan according to the temporarily stored IDs of the passive lighting RFID tags, when the passive lighting RFID tags are identified, the LED lamps on the passive lighting RFID tags can be lightened, and the handheld scanning device can delete the identified IDs lightened by the LEDs.
(10) The user's root illumination point directly finds the corresponding hair sample, and then closes the drawer/grid. The material evidence cabinet sends the drawer/cabinet state to the sample warehouse-out management module to be closed.
(11) The hair sample delivery management module confirms that the delivery is finished.
While the above is a specific embodiment of the present invention, it should be apparent that the embodiments described are merely some, but not all, examples of the present invention. All other embodiments, which can be made by a person of ordinary skill in the art based on the examples of the invention without any inventive effort, are within the scope of the invention. Any changes or substitutions that would be readily apparent to one skilled in the art within the scope of the present disclosure are intended to be encompassed within the scope of the present invention.
Claims (4)
1. A hair sample rapid searching system based on a passive lighting RFID tag is characterized by comprising a handheld scanning device, an application terminal, a bar code scanning device, an intelligent material evidence cabinet and a server; a sample warehouse-in management module, a sample warehouse-out management module and a sample visual management center are integrated in the server;
the handheld scanning device, the bar code scanning device, the application terminal, the intelligent material evidence cabinet and the server are connected to a local area network through twisted pair wires and perform bidirectional data exchange;
A plurality of drawers or grids are arranged in the intelligent material evidence cabinet and used for storing hair sample boxes, and the hair sample boxes have special structures;
The hair sample box is used for storing hair sample packages attached with the passive lighting RFID tags, so that the hair sample packages are stored orderly and do not shade the LED lamps on the passive lighting RFID tags when being stored, and constraint conditions are provided for the passive lighting RFID tags;
the bar code scanning device is in data exchange with the sample warehouse management module, is connected with the application terminal through a USB and is used for identifying the ID of the passive lighting RFID tag;
the handheld scanning device exchanges data with the sample ex-warehouse management module, sends out radio frequency information to identify the passive lighting RFID tag with the known ID, and simultaneously emits light from the LED lamp on the read passive lighting RFID tag;
The sample warehouse management module binds the detailed information of the hair samples and the packages thereof to the passive lighting RFID tags, the bound passive lighting RFID tags are then attached to the hair sample packages, and unique passive lighting RFID tag IDs of each packaged hair sample are given; the user accesses the sample storage management module through the application terminal, and selects a hair sample box meeting the storage requirement, and at the moment, the sample storage management module sends a request for binding a hair sample and the hair sample box to the sample visualization management center;
The sample visual management center graphically initializes the hair sample boxes in the intelligent material evidence cabinet to generate accurate graphical position information of each hair sample box in the intelligent material evidence cabinet; after the sample warehouse management module finishes binding the passive lighting RFID tag, a user accesses the sample visual management center through the application terminal, and the sample visual management center returns the graphical position information of the current hair sample box and the detailed information of the hair sample bound with the passive lighting RFID tag; when the sample warehouse management module sends a request for binding a hair sample and a hair sample box to the sample visual management center, the sample visual management center finally completes the binding process of the hair sample and the hair sample box; through the sample visual management center, intelligent warehouse entry of the hair samples is realized, and each initialized hair sample box is comprehensively and comprehensively managed, so that efficient and visual management and positioning of the hair samples are realized;
The sample ex-warehouse management module returns the detail information of the warehouse-in hair samples to the application terminal, after the user inquires and determines the selected hair samples by the application terminal, the application terminal initiates a hair sample box position information request to the sample visualization management center, and the sample visualization management center returns the position information of the selected hair sample box to the application terminal in a graphical mode, so that the user can quickly position the selected hair sample box through the graphical information; the user determines the selected hair sample box through the application terminal and initiates a door opening command, and remotely opens a drawer or a grid of the intelligent material evidence cabinet where the selected hair sample box is located; meanwhile, the sample ex-warehouse management module writes the ID of the passive lighting RFID tag bound by the hair sample in the selected hair sample box into the handheld scanning device, and finds the selected hair sample through the handheld scanning device, so that intelligent ex-warehouse of the hair sample is realized.
2. A searching method of a hair sample rapid searching system based on a passive lighting RFID tag is characterized by comprising the following steps:
First, initialize
The sample visual management center graphically initializes the hair sample boxes in the intelligent material evidence cabinet, generates accurate graphical position information of each hair sample box in the intelligent material evidence cabinet, and returns corresponding graphical position information when the application terminal initiates access;
(II) warehouse entry of Hair samples
(1) Placing a hair sample in a hair sample package by a user, and attaching a passive light RFID tag to the package;
(2) The user identifies the ID of the passive lighting RFID tag through a bar code scanning device;
(3) The user inputs corresponding hair sample information;
(4) The sample warehouse management module binds the passive lighting tag ID with the entered hair sample information and stores the passive lighting tag ID in a database, and simultaneously sends the passive lighting RFID tag ID to a sample visual management center;
(5) After receiving the passive lighting RFID tag ID sent by the sample warehouse management module, the sample visual management center returns the graphical position information and the bound information of the hair sample box in the current intelligent material evidence cabinet to the application terminal;
(6) The user checks the graphical position information returned by the sample visual management center through the application terminal, and after the corresponding hair sample box is selected for the hair sample with the passive lighting RFID tag ID, a request for warehousing the hair sample is initiated;
(7) After receiving the sample warehousing request, the sample visual management center binds the passive lighting RFID tag ID with the selected imaging position information of the hair sample box, stores the imaging position information of the selected hair sample box in a database, and simultaneously initiates a cabinet opening instruction to the intelligent material evidence cabinet;
(8) The intelligent material evidence cabinet automatically opens the corresponding drawer/grid after receiving the cabinet opening instruction, and simultaneously sends the drawer/grid to the sample warehouse-in management module to be opened;
(9) The user places the hair sample attached with the passive lighting RFID tag in the selected hair sample box, then closes the drawer/grid, and the intelligent material evidence cabinet sends the state of the drawer/grid to the sample warehouse management module to be closed;
(10) After the sample warehouse-in management module receives the state of the drawer/grid as closed, confirming that the warehouse-in is finished;
(III) leaving the Hair sample
(1) A user sends a request for ex-warehouse to a sample ex-warehouse management module through an application terminal, and the sample ex-warehouse management module initiates a request for inquiring a warehouse-in hair sample list to the sample warehouse-in management module;
(2) The sample warehouse-in management module returns a warehouse-in hair sample list to the sample warehouse-out management module, and the sample warehouse-out management module returns the returned list to the application terminal after receiving the returned list;
(3) The user inquires and selects hair samples needing to be delivered through the application terminal;
(4) The application terminal sends the hair sample information selected by the user to a sample ex-warehouse management module, and the sample ex-warehouse management module sends a position inquiry request to a sample visual management center through the ID of the passive lighting RFID tag bound by the hair sample;
(5) After receiving the ID of the passive lighting RFID tag sent by the sample delivery management module, the sample visual management center highlights the hair sample box where the ID is positioned in a graphical interface and returns the hair sample box to the sample delivery management module, the sample delivery management module returns the hair sample box to the application terminal, and meanwhile, the sample delivery management module sends the ID of the passive lighting RFID tag to the handheld scanning device and initiates a door opening instruction to the intelligent material evidence cabinet;
(6) After receiving the door opening command, the intelligent material evidence cabinet opens the corresponding drawer/grid and sends the drawer/grid state to the sample warehouse-out management module to open the door;
(7) The handheld scanning device temporarily stores the ID of the passive lighting RFID tag sent by the sample ex-warehouse management module and waits for scanning operation after receiving the ID;
(8) The user picks up the handheld scanning device to find the corresponding hair sample box, presses the scanning button, the handheld scanning device scans one by one according to the temporarily stored ID of the passive lighting RFID tag, the LED lamp on the passive lighting RFID tag is lighted after the passive lighting RFID tag is identified, the user quickly finds a target hair sample in the package according to the light source, and the lighted ID of the LED is deleted;
(9) After the user finds the target hair sample, then the drawer/grid is closed, and the material evidence cabinet sends the drawer/cabinet state to the sample warehouse-out management module to be closed;
(10) The hair sample delivery management module confirms that the delivery is finished.
3. The rapid hair sample searching system based on passive-lighting RFID tag of claim 1, wherein the hair sample box is trapezoidal in shape, divided into a plurality of cells by baffle plates, each baffle plate being equal, and hair sample package being placed in the cell; the overall height of the hair sample box is smaller than the drawer/grid height of the material evidence cabinet; the height of each baffle is equal to the hair sample packaging height minus the diameter of the LED lamp in the passive lighting RFID tag; the spacing between adjacent baffles is greater than the thickness of a hair sample package containing a hair sample; the height difference between adjacent baffles is greater than the diameter of the LED lamps in the passive lit RFID tag.
4. The passive-lit-RFID-tag-based hair swatch quick-finding system of claim 1, wherein the passive-lit-RFID-tag constraints are: the width of the passive light label is smaller than the packaging width of the hair sample, and the height of the passive light label is smaller than the packaging height of the hair sample.
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