Data processing system for manufacturing RFID tag for liquid sample

Abstract

The present invention relates to a data processing system for manufacturing an RFID tag for a liquid sample, comprising: an RFID tag, an RFID tag reader-writer, and a data management module. The data management module comprises: a data sensor, a boundary correction module, a dynamic correction module, and a database. The RFID tag reader-writer sends a radio frequency signal to the RFID tag, and on the basis of the radio frequency signal, sample data information stored in the corresponding RFID tag is sent to the RFID tag reader-writer. The RFID tag reader-writer receives the sample data information, and sends the sample data information to the data management module. The data management module performs dynamic correction on the received sample data information to obtain standardized sample information, and transmits the standardized sample information to the RFID tag reader-writer for display. In this way, interference to RFID tag reading and writing caused by metal reflection and water absorption effects is eliminated, thereby improving the reading accuracy of RFID tags.

Description

Data processing system for liquid sample radio frequency tag manufacturing

[0001] The present application claims priority to the Chinese patent application No. 202410890266.1 filed on July 4, 2024, and entitled “A blood sampling device”, the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of radio frequency tags, and in particular to a data processing system for liquid sample radio frequency tag manufacturing. BACKGROUND

[0003] Radio frequency identification technology is a communication technology that can identify a specific target and read and write related data through radio signals without establishing mechanical or optical contact between the identification system and the specific target.

[0004] However, radio frequency tags are susceptible to metal reflection interference and water absorption effects, which can cause missing of radio frequency tag data reading, thereby reducing the reading accuracy of the radio frequency tag. For blood bags, urine bags and test tubes used to store liquid biological tissues or samples in the current medical system, if radio frequency tags are used for management, the presence of metal ions and biochemical substance components in the stored liquid biological tissues or samples can form electromagnetic wave energy absorption and interference, further affecting the reading accuracy of the radio frequency tag, leading to errors in reading the data of the tag, and even causing the phenomenon of being unable to read.

[0005] To resist liquid and metal ion electromagnetic interference, Patent Publication No. (CN220543366U) “GJB 7377.1 Radio Frequency Identification Air Interface Protocol Standard Liquid Biological Sample Radio Frequency” discloses an antenna layout design using inner loop and outer loop, combined with chip adaptation technology, to achieve superior antenna tuning performance to reduce the overall tag geometric area, which can effectively improve the lack of resistance of ultra-high frequency radio frequency tags to liquid interference.

[0006] However, the technical means adopted by the prior art requires changing the antenna layout and requires chip adaptation, that is, the prior art has high requirements for the antenna layout and chip adaptation, which will lead to increased costs and high implementation difficulty.

[0007] Therefore, how to enable the ultra-high frequency radio frequency tag design to have the best reading effect and resist liquid and metal ion electromagnetic interference to achieve better signal transmission quality has become a problem that needs to be solved urgently. SUMMARY

[0008] In view of the deficiencies of the prior art, the present application provides a data processing system for manufacturing a liquid sample radio frequency tag, which comprises a radio frequency tag, a radio frequency tag reader / writer, and a data management module; the data management module comprises a data sensor, a correction boundary module, a dynamic correction module, and a database; one end of the radio frequency tag reader / writer is in communication connection with the data management module, and the other end is in communication connection with the radio frequency tag;

[0009] The radio frequency tag reader / writer sends a radio frequency signal to the radio frequency tag, and according to the radio frequency signal, sample data information stored in the corresponding radio frequency tag is sent to the radio frequency tag reader / writer; the radio frequency tag reader / writer receives the sample data information and sends the sample data information to the data management module;

[0010] The data sensor of the data management module collects metal sensing data and liquid sensing data of the liquid sample and sends the metal sensing data and the liquid sensing data to the correction boundary module;

[0011] The correction boundary module constructs a metal action curve and a liquid action curve based on the metal sensing data and the liquid sensing data respectively, and maps the metal action curve and the liquid action curve to the same coordinate space to obtain a plurality of action intersection points of the metal action curve and the liquid action curve;

[0012] The correction boundary module constructs a dynamic correction boundary of the liquid sample based on the action intersection points;

[0013] The dynamic correction module analyzes the sample data information to obtain a dynamic correction point of the sample data information, and dynamically corrects the dynamic correction point and the dynamic correction boundary to obtain standard sample information;

[0014] The dynamic correction module transmits the standard sample information to the radio frequency tag reader / writer for display.

[0015] According to a preferred embodiment, the radio frequency tag reader / writer comprises a first sending unit for sending a radio frequency signal, a first receiving unit for receiving sample data information sent by the radio frequency tag and sending the sample data information to the data management module, and an information output unit for receiving standard sample information returned by the data management module and outputting.

[0016] According to a preferred embodiment, the radio frequency tag comprises a second receiving unit for receiving a radio frequency signal sent by the radio frequency tag reader / writer, a second sending unit for sending stored sample data information to the radio frequency tag reader / writer, and a data storage unit for storing corresponding sample data information of the radio frequency tag.

[0017] According to one preferred embodiment, when the radio frequency tag reader only receives sample data information sent by one radio frequency tag, the radio frequency tag reader receives the sample data information sent by the radio frequency tag; when the radio frequency tag reader receives sample data information sent by multiple radio frequency tags, the radio frequency tag reader screens out a target radio frequency tag according to the distance between the radio frequency tag and the radio frequency tag reader.

[0018] According to one preferred embodiment, the radio frequency tag is a passive radio frequency tag with a chip packaged with high-temperature-resistant packaging material, and the high-temperature-resistant packaging material is a composite layer of tightly woven ceramic fiber mesh and mica sheet.

[0019] According to one preferred embodiment, the radio frequency tag adopts a GJB 7377.1 radio frequency identification air interface protocol standard frequency band, and the frequency band range is between 840 MHz and 960 MHz.

[0020] According to one preferred embodiment, the sensor includes a metal sensor and a liquid sensor.

[0021] According to one preferred embodiment, the correction boundary module respectively constructs a metal action curve and a liquid action curve based on the metal sensing data and the liquid sensing data includes:

[0022] The correction boundary module obtains metal attributes of the liquid sample based on the metal sensing data, and obtains a plurality of metal action direction features and corresponding metal action degree features based on the metal attributes, and then performs feature fusion on each metal action direction feature and the corresponding metal action degree feature to obtain a plurality of metal fusion features;

[0023] The correction boundary module maps a plurality of metal fusion features to a high-dimensional space to obtain a plurality of metal action points, and connects all the metal action points to obtain a metal action curve;

[0024] The correction boundary module obtains liquid attributes of the liquid sample based on the liquid sensing data, and obtains a plurality of liquid action direction features and corresponding liquid action degree features based on the liquid attributes, and then performs feature fusion on each liquid action direction feature and the corresponding liquid action degree feature to obtain a plurality of liquid fusion features;

[0025] The correction boundary module maps a plurality of liquid fusion features to a space to obtain a plurality of liquid action points, and connects all the liquid action points to obtain a liquid action curve.

[0026] According to one preferred embodiment, the correction boundary module constructs a dynamic correction boundary of the liquid sample based on the action intersection point includes:

[0027] The correction boundary module obtains test sample data from a database, randomly selects an action intersection point as a target action intersection point, extracts an action direction of the target action intersection point, and then continuously acts on the test sample data based on the action direction until data loss or data error occurs in the test sample data in the action direction, and the feature point of the test sample data when the data loss or data error occurs in the test sample data in the action direction is taken as a dynamic boundary point corresponding to the action intersection point.

[0028] The above steps are repeated to obtain correction boundary points corresponding to all action intersection points, and all the correction boundary points are connected to obtain a dynamic correction boundary of the liquid sample.

[0029] According to a preferred embodiment, the dynamic correction module analyzes sample data information to obtain dynamic correction points of the sample data information, including:

[0030] The dynamic correction module extracts a plurality of sample feature points of the sample data information, and maps all the sample feature points and the dynamic correction boundary to the same space.

[0031] The dynamic correction module determines whether each sample feature point is within the dynamic correction boundary, and takes the sample feature point outside the dynamic correction boundary as a dynamic correction point.

[0032] The dynamic correction module calculates a correction distance of each sample feature point within the dynamic correction boundary from the dynamic correction boundary, and obtains a stability value of each sample feature point within the dynamic correction boundary based on the correction distance, and then takes the sample feature point with a stability value less than a stability threshold as a dynamic correction point; the stability value is a stability degree of the sample data information when affected by the metal and the liquid.

[0033] According to a preferred embodiment, the metal action curve is an interference curve of the metal attribute of the liquid sample on the sample data information transmitted by the radio frequency tag; and the liquid action curve is an interference curve of the liquid attribute of the liquid sample on the sample data information transmitted by the radio frequency tag.

[0034] The present application has the following beneficial effects: after receiving the sample data information transmitted by the radio frequency tag, the present application constructs a dynamic correction boundary of the liquid sample, obtains dynamic correction points of the sample data information, and then dynamically corrects the dynamic correction points and the dynamic correction boundary to obtain standard sample information, that is, the present application corrects the received sample data information to reduce the influence of metal reflection interference and water absorption effect on the reading of the radio frequency tag data, thereby avoiding the phenomenon of data reading error or data unreadable. In addition, the present application corrects the sample data information without changing the antenna layout and improving the chip adaptation degree, thereby reducing the implementation difficulty and cost. BRIEF DESCRIPTION OF DRAWINGS

[0035] Fig. 1 is a structural block diagram of a data processing system for liquid sample radio frequency tag production according to an example embodiment;

[0036] Fig. 2 is a structural block diagram of a radio frequency tag reader / writer according to an example embodiment;

[0037] Fig. 3 is a structural block diagram of a radio frequency tag according to an example embodiment. DETAILED DESCRIPTION

[0038] The example embodiments will be described in detail herein with reference to the attached drawings. In the following description, unless otherwise indicated, like numbers in the attached drawings refer to the same or similar elements. The following description of example embodiments is not intended to represent all embodiments in accordance with the present application. Rather, they are merely examples in accordance with some aspects of the present application as detailed in the appended claims.

[0039] The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in the present application and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0040] It will be understood that, although the terms first, second, third, etc. can be used herein to describe various information, these terms are not intended to denote a temporal or chronological order. Rather, these terms are used only to distinguish different sets of information from one another. For example, a first information can be termed a second information, and similarly, a second information can also be termed a first information, without departing from the scope of the present application. As used herein, the word "if' can be construed to mean "when" or "in response to determining" depending on the context.

[0041] Referring to Fig. 1, in one embodiment, a data processing system for liquid sample radio frequency tag production can include a radio frequency tag, a radio frequency tag reader / writer, and a data management module. The data management module includes a data sensor, a correction boundary module, a dynamic correction module, and a database. One end of the radio frequency tag reader / writer is communicatively connected to the data management module, and the other end is communicatively connected to the radio frequency tag.

[0042] The radio frequency tag reader / writer sends a radio frequency signal to the radio frequency tag, and sends sample data information stored in the corresponding radio frequency tag to the radio frequency tag reader / writer according to the radio frequency signal. The radio frequency tag reader / writer receives the sample data information and sends the sample data information to the data management module.

[0043] Preferably, when the radio frequency tag reader only receives sample data information sent by one radio frequency tag, the radio frequency tag reader receives the sample data information sent by the radio frequency tag; when the radio frequency tag reader receives sample data information sent by multiple radio frequency tags, the radio frequency tag reader screens out a target radio frequency tag according to the distance between the radio frequency tag and the radio frequency tag reader.

[0044] Optionally, the sample data information is detailed information of the corresponding sample.

[0045] In a preferred embodiment, the data sensor, the correction boundary module, the dynamic correction module and the database are communicatively connected with each other.

[0046] The data sensor of the data management module collects metal sensing data and liquid sensing data of the liquid sample, and sends the metal sensing data and the liquid sensing data to the correction boundary module;

[0047] Optionally, the sensor comprises a metal sensor and a liquid sensor; the metal sensor is used to collect the type and content of metal contained in the liquid sample and the liquid sample; the liquid sensor is used to collect the type and capacity of liquid of the liquid sample.

[0048] Optionally, the metal sensing data comprises the type and content of metal contained in the liquid sample and the liquid sample; the liquid sensing data comprises the type and capacity of liquid of the liquid sample and the liquid sample.

[0049] The correction boundary module constructs a metal action curve and a liquid action curve based on the metal sensing data and the liquid sensing data respectively, and maps the metal action curve and the liquid action curve to the same coordinate space to obtain a plurality of action intersection points of the metal action curve and the liquid action curve;

[0050] Optionally, the action intersection point is a curve intersection point of the metal action curve and the liquid action curve in the same coordinate space.

[0051] Preferably, the metal action curve is an interference curve formed by the metal of the liquid sample and the vicinity of the liquid sample to the sample data information sent by the radio frequency tag; the liquid action curve is an interference curve formed by the liquid of the liquid sample and the vicinity of the liquid sample to the sample data information sent by the radio frequency tag.

[0052] For example, when the liquid sample contains certain metal ions or the container storing the liquid sample contains metal ions, it will form interference to the sample data information, resulting in data loss and data error of the sample data information, therefore, it is necessary to obtain the interference of different metals to the sample data information.

[0053] In addition, the liquid sample itself also interferes with the sample data information, so it is necessary to obtain the interference of different liquid samples on the sample data information.

[0054] Different metal contents and metal properties have different interference degrees and interference directions on the sample data information, so the interference curves of metals on the sample data information are constructed according to the metal properties and the metal contents.

[0055] Different liquid capacities and liquid properties have different interference degrees and interference directions on the sample data information, so the interference curves of liquids on the sample data information are constructed according to the liquid capacities and the liquid properties.

[0056] According to a preferred embodiment, the correction boundary module constructs the metal action curve and the liquid action curve based on the metal sensing data and the liquid sensing data respectively, which includes:

[0057] The correction boundary module obtains the metal properties of the liquid sample based on the metal sensing data, and obtains a plurality of metal action direction features and corresponding metal action degree features based on the metal properties, and then performs feature fusion on each metal action direction feature and the corresponding metal action degree feature to obtain a plurality of metal fusion features;

[0058] The correction boundary module maps the plurality of metal fusion features to a high-dimensional space to obtain a plurality of metal action points, and connects all the metal action points to obtain the metal action curve;

[0059] The correction boundary module obtains the liquid properties of the liquid sample based on the liquid sensing data, and obtains a plurality of liquid action direction features and corresponding liquid action degree features based on the liquid properties, and then performs feature fusion on each liquid action direction feature and the corresponding liquid action degree feature to obtain a plurality of liquid fusion features;

[0060] The correction boundary module maps the plurality of liquid fusion features to a high-dimensional space to obtain a plurality of liquid action points, and connects all the liquid action points to obtain the liquid action curve.

[0061] Optionally, the metal includes gold, silver, copper, iron, etc.

[0062] The correction boundary module constructs a dynamic correction boundary of the liquid sample based on the action intersection point;

[0063] Preferably, the correction boundary module constructs a dynamic correction boundary of the liquid sample based on the action intersection point, which includes:

[0064] The correction boundary module obtains test sample data from a database, randomly selects an action intersection point as a target action intersection point, extracts an action direction of the target action intersection point, and then continuously acts on the test sample data based on the action direction until data loss or data error occurs in the test sample data in the action direction, and takes a feature point of the test sample data when the data loss or data error occurs in the test sample data in the action direction as a dynamic boundary point corresponding to the action intersection point.

[0065] The above steps are repeated to obtain correction boundary points corresponding to all action intersection points, and all correction boundary points are connected to obtain a dynamic correction boundary of the liquid sample.

[0066] The dynamic correction module analyzes sample data information to obtain a dynamic correction point of the sample data information, and dynamically corrects the dynamic correction point and the dynamic correction boundary to obtain standard sample information.

[0067] Optionally, the dynamic correction module analyzes sample data information to obtain a dynamic correction point of the sample data information, and dynamically corrects the dynamic correction point and the dynamic correction boundary to obtain standard sample information.

[0068] The dynamic correction module extracts a plurality of sample feature points of the sample data information, and maps all the sample feature points and the dynamic correction boundary to the same space.

[0069] The dynamic correction module determines whether each sample feature point is within the dynamic correction boundary, and takes a sample feature point outside the dynamic correction boundary as a dynamic correction point.

[0070] The dynamic correction module calculates a correction distance of each sample feature point within the dynamic correction boundary and the dynamic correction boundary, and obtains a stability value of each sample feature point within the dynamic correction boundary based on the correction distance, and then takes a sample feature point with a stability value less than a stability threshold as a dynamic correction point.

[0071] Optionally, the stability value is a stability degree of the sample data information when affected by the metal and the liquid, and the greater the stability value, the more stable the sample data information when affected by the metal and the liquid, and the smaller the stability value, the less stable the sample data information when affected by the metal and the liquid.

[0072] Preferably, the dynamic correction of the dynamic correction point and the dynamic correction boundary to obtain the standard sample information comprises:

[0073] The dynamic correction module takes a dynamic correction point outside the dynamic correction boundary as an out-of-bound correction point, determines a boundary constraint condition based on the dynamic correction boundary, and then maps each out-of-bound correction point based on the boundary constraint condition to obtain an in-bound correction point corresponding to each out-of-bound correction point.

[0074] Each extramural correction point has a unique corresponding intramural correction point, and each extramural correction point and its unique corresponding intramural correction point become a dynamic correction pair;

[0075] According to the intramural correction points and the boundary constraint condition, an intramural correction line is constructed, and according to the extramural correction points and the boundary constraint condition, an extramural correction line is constructed, and then the intersection of the intramural correction line and the extramural correction line is taken as a standard feature point corresponding to a dynamic correction point;

[0076] According to the boundary constraint condition, the dynamic correction points within the dynamic correction boundary are corrected to obtain a standard feature point within the dynamic correction boundary;

[0077] All dynamic correction points of the sample data information are replaced by the corresponding standard feature points to obtain replaced sample feature points, and all the replaced sample feature points are mapped to obtain standard sample information.

[0078] The dynamic correction module transmits the standard sample information to the radio frequency tag reader for display.

[0079] After receiving the sample data information sent by the radio frequency tag, the application constructs a dynamic correction boundary of the liquid sample, obtains dynamic correction points of the sample data information, and then performs dynamic correction on the dynamic correction points and the dynamic correction boundary to obtain standard sample information. That is, the application corrects the received sample data information to reduce the influence of metal reflection interference and water absorption effect on the reading of radio frequency tag data, thereby avoiding the phenomenon of data reading error or data unable to be read. In addition, the application corrects the sample data information without changing the antenna layout and improving the chip adaptation, thereby reducing the implementation difficulty and cost.

[0080] Referring to FIG. 2, in one embodiment, the radio frequency tag reader includes a first sending unit for sending a radio frequency signal, a first receiving unit for receiving sample data information sent by a radio frequency tag and sending to a data management module, an information output unit for receiving standard sample information returned by the data management module and outputting.

[0081] Preferably, when the radio frequency tag reader receives sample data information sent by only one radio frequency tag, the radio frequency tag reader receives the sample data information sent by the radio frequency tag; when the radio frequency tag reader receives sample data information sent by multiple radio frequency tags, the radio frequency tag reader screens out a target radio frequency tag according to the distance between the radio frequency tag and the radio frequency tag reader.

[0082] Referring to Fig. 3, in one embodiment, the radio frequency tag comprises: a second receiving unit for receiving a radio frequency signal sent by a radio frequency tag reader-writer; a second sending unit for sending stored sample data information to the radio frequency tag reader-writer; and a data storage unit for storing sample data information corresponding to the radio frequency tag.

[0083] Preferably, the radio frequency tag is a passive radio frequency tag with a chip encapsulated by a high-temperature-resistant encapsulation material, which is a composite layer of tightly woven ceramic fiber mesh and mica sheet.

[0084] The radio frequency tag adopts a GJB 7377.1 radio frequency identification air interface protocol standard frequency band, and the frequency band range is between 840 MHz and 960 MHz.

[0085] Computer readable program instructions for carrying out operations of the present application can be in assembly code, instruction set architecture (ISA) instructions, machine instructions, machine dependent instructions, microcode, firmware instructions, state-setting data, or in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C++ or the like and a procedural programming language such as "C" or the like. The computer readable program instructions can execute entirely on a user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer can be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or the connection can be made to an external computer (for example, through the Internet using an Internet Service Provider). In some embodiments, electronic circuitry including, for example, programmable logic circuitry, field-programmable gate array (FPGA), or programmable logic array (PLA) can execute the computer readable program instructions by utilizing state information of the computer readable program instructions to personalize the electronic circuitry, in order to perform aspects of the present application.

[0086] The above description is only preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

Claims

1. A data processing system for liquid sample radio frequency tag fabrication, characterized by, The application relates to a radio frequency tag, a radio frequency tag reader / writer and a data management module. The data management module comprises a data sensor, a correction boundary module, a dynamic correction module and a database. The radio frequency tag reader / writer sends a radio frequency signal to the radio frequency tag, and sends sample data information stored in the radio frequency tag to the radio frequency tag reader / writer according to the radio frequency signal. The data sensor collects metal sensing data and liquid sensing data of a liquid sample, and sends the metal sensing data and the liquid sensing data to the correction boundary module. The correction boundary module constructs a metal action curve and a liquid action curve based on the metal sensing data and the liquid sensing data respectively, and maps the metal action curve and the liquid action curve to the same coordinate space to obtain a plurality of action intersection points of the metal action curve and the liquid action curve. The correction boundary module constructs the metal action curve and the liquid action curve based on the metal sensing data and the liquid sensing data respectively, and comprises the following steps. The correction boundary module obtains metal attribute of the liquid sample based on the metal sensing data, and obtains a plurality of metal action direction features and corresponding metal action degree features based on the metal attribute, and then performs feature fusion on each metal action direction feature and the corresponding metal action degree feature to obtain a plurality of metal fusion features. The correction boundary module maps the plurality of metal fusion features to a high-dimensional space to obtain a plurality of metal action points, and connects all the metal action points to obtain the metal action curve. The correction boundary module obtains liquid attribute of the liquid sample based on the liquid sensing data, and obtains a plurality of liquid action direction features and corresponding liquid action degree features based on the liquid attribute, and then performs feature fusion on each liquid action direction feature and the corresponding liquid action degree feature to obtain a plurality of liquid fusion features. The correction boundary module maps the plurality of liquid fusion features to a space to obtain a plurality of liquid action points, and connects all the liquid action points to obtain the liquid action curve. The correction boundary module constructs a dynamic correction boundary of the liquid sample based on the action intersection points. The correction boundary module constructs the dynamic correction boundary of the liquid sample based on the action intersection points, and comprises the following steps. The correction boundary module obtains test sample data from the database, randomly selects an action intersection point as a target action intersection point, extracts an action direction of the target action intersection point, and then continuously acts on the test sample data based on the action direction until the test sample data appears data loss or data error in the action direction, and takes a feature point of the test sample data when the test sample data appears data loss or data error in the action direction as a correction boundary point corresponding to the action intersection point. The above steps are repeated to obtain correction boundary points corresponding to all the action intersection points, and all the correction boundary points are connected to obtain the dynamic correction boundary of the liquid sample. ​ The dynamic correction module analyzes the sample data information to obtain a dynamic correction point of the sample data information, and dynamically corrects the dynamic correction point and a dynamic correction boundary to obtain standard sample information. The dynamic correction module transmits the standard sample information to the radio frequency tag reader for display.

2. The system of claim 1, wherein, The radio frequency tag reader comprises a first sending unit for sending a radio frequency signal, a first receiving unit for receiving sample data information sent by a radio frequency tag and sending the sample data information to a data management module, and an information output unit for receiving standard sample information returned by the data management module and outputting the standard sample information.

3. The system of claim 1, wherein, The radio frequency tag comprises a second receiving unit for receiving a radio frequency signal sent by the radio frequency tag reader, a second sending unit for sending stored sample data information to the radio frequency tag reader, and a data storage unit for storing sample data information corresponding to the radio frequency tag.

4. The system of claim 1, wherein, When the radio frequency tag reader receives sample data information sent by only one radio frequency tag, the radio frequency tag reader receives the sample data information sent by the radio frequency tag; when the radio frequency tag reader receives sample data information sent by multiple radio frequency tags, the radio frequency tag reader screens out a target radio frequency tag according to a distance between the radio frequency tag and the radio frequency tag reader.

5. The system of claim 1, wherein, The radio frequency tag is a passive radio frequency tag with a chip packaged by a high-temperature-resistant packaging material. The high-temperature-resistant packaging material is a composite layer of a tightly woven ceramic fiber net and a mica sheet.

6. The system of claim 1, wherein, The radio frequency tag adopts a GJB 7377.1 radio frequency identification air interface protocol standard frequency band, and the frequency band range is between 840 MHz and 960 MHz.

7. The system of claim 1, wherein, The sensor comprises a metal sensor and a liquid sensor.

8. The system of claim 7, wherein, The dynamic correction module analyzes the sample data information to obtain a dynamic correction point of the sample data information, and dynamically corrects the dynamic correction point and a dynamic correction boundary to obtain standard sample information. The dynamic correction module extracts a plurality of sample feature points of the sample data information, and maps all the sample feature points and the dynamic correction boundary to the same space. The dynamic correction module determines whether each sample feature point is within the dynamic correction boundary, and regards a sample feature point outside the dynamic correction boundary as a dynamic correction point. The dynamic correction module calculates a correction distance between each sample feature point within the dynamic correction boundary and the dynamic correction boundary, obtains a stability value of each sample feature point within the dynamic correction boundary based on the correction distance, and regards a sample feature point with a stability value less than a stability threshold as a dynamic correction point. The stability value is a stability degree of the sample data information when affected by metal and liquid.

Images