CN111967031B - Data transaction type transmission method - Google Patents
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- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
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Abstract
The invention relates to the technical field of data communication and discloses a data transaction type transmission method which comprises the steps of constructing a block equipment network, constructing a block chain side chain network and constructing a block chain main chain network; the method comprises the steps of establishing identity verification, setting a matching account, collecting local data, compiling data index information with account information of the local data, encrypting to generate a key, carrying out asset formation on collected data according to a preset block side chain network intelligent contract, broadcasting the data index information and pricing information, paying by a data transaction opposite party according to an intelligent contract payment mode, acquiring the key after successful payment, and acquiring corresponding data in a database through the key.
Description
Technical Field
The invention relates to the technical field of data communication, in particular to a data transaction type transmission method.
Background
The world now completely walks into the 5G era, the Internet of things, big data, blockchain and intelligent chip technologies all enter a developed expressway under the 5G load, and the problem of unbalanced resources occupied by users due to time and region differences in physical space can be solved by adopting the means of the Internet of things.
Aiming at intelligent health and internet of things cloud platform data safety management and data value enhancement, the block chain technology-based internet of things big data intelligent health system is adopted, the most advanced knowledge theory and the most effective method in each field can be effectively integrated and fully fused, and according to biological, psychological, social modern medical modes and life overall views, healthy medical and life overall medical are taken as guidance, and the service connotation and service mode of the internet of things big data intelligent health system are innovated greatly.
The existing health big data platform establishment can be generally classified into two modes, one is to establish the health big data platform in a mode of integrating the existing resources, and the other is to establish the health big data platform by acquiring health information by virtue of development terminal users. The health big data platform is established by integrating the existing resources, and the acquired illness state information of various patients is classified and stored by directly inputting the health data of the users or integrating the existing data information of different areas and organizations under the condition of the existing user quantity basis or the advantages of related resources. The health big data platform is established by developing terminal clients, users and the big data platform are communicated by means of various intelligent hardware, the cloud platform data personal archive is established by means of personal data uploaded by intelligent examination hardware equipment with a data acquisition and uploading function, and personal archive data are updated in real time or periodically. The two health big data platforms are constructed to facilitate the inquiry of patients or medical staff to the personal historical data of the patients and the modeling analysis of the historical data, and the medicine effect, the blood sugar change trend and the like are estimated according to the analysis result after the modeling of the big data platform, so that the detection of the health data of the patients and the health intervention management are realized.
However, the existing intelligent health big data platform system focuses on realizing detection and health intervention management of patient health data, lacks an updating and exciting mechanism for data information in the platform system, cannot effectively excite a user to actively and autonomously maintain the health data in the system, and cannot fully mine the value of the data information and realize the increase of the data value. And the existing internet of things platform focuses on the access and management of equipment and manages the acquired data. The login function during different business services in a single sign-on mode is relatively lost, meanwhile, the existing mode of establishing an intelligent health system by developing user groups by means of intelligent terminals is not realized, the intelligent terminals still need to follow the traditional centralized network management mode, and communication and unified management are carried out through a wireless network and a cloud platform management center, so that the problems are urgently needed to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a data transaction type transmission method which is used for solving the problems that the prior art cannot effectively stimulate a user to actively and autonomously maintain the health data in a system, cannot fully mine the value of data information and realize the amplification of the data value, and cannot effectively and efficiently acquire the personal health data in the prior data terminal equipment.
The invention solves the technical problems by adopting the following technical scheme:
a data transaction transmission method, comprising the steps of:
ad hoc network among data terminal devices, and block device network is built;
constructing a blockchain side chain network by a plurality of blockequipment networks and a trust intermediate node;
a plurality of blockchain side chain networks and a big data transaction platform form a blockchain main chain network;
establishing unique identity verification of each data terminal device on the blockchain side chain network and the blockchain main chain network, and setting a matching account;
each data terminal device collects local data and uploads the local data to a local database, and the local data are collected with own account information to edit data index information, encrypt data main body information and generate a secret key;
uploading the data index information, the encrypted main body information and the secret key to a distributed database in a trust middle node, carrying out asset formation on the acquired data according to a preset block side chain network intelligent contract, broadcasting the data index information and the asset formation pricing information on a block chain side chain network or a block chain main chain network to all data terminal equipment, and simultaneously injecting rewarding side chain tokens into accounts corresponding to the data terminal equipment of a data provider;
the opposite party of data transaction pays according to the contract-agreed payment mode of the intelligent contract, the key is obtained after successful payment, and the corresponding data in the database is obtained through the key.
Preferably, the data transaction opposite party pays according to an intelligent contract agreement payment mode, and specifically comprises:
if the data terminal equipment of the opposite party of the data transaction and the data terminal of the data provider belong to the same blockchain side chain network, the opposite party of the data transaction sends request transaction information to a trust middle node, the trust middle node deducts side chain tokens in the account of the opposite party of the data transaction according to an intelligent contract to pay directly to the account of the data provider, sends a secret key of the transaction number to the opposite party of the data transaction, and simultaneously sends information of both parties of the transaction and index information of the transaction data to a big data transaction platform for signature verification and updating;
if the data terminal equipment of the opposite party of the data transaction and the data terminal of the data provider belong to different blockchain side chain networks, the opposite party of the data transaction sends request transaction information to a big data transaction platform through a trust middle node of the affiliated blockchain side chain network, the big data transaction platform deducts main chain tokens in accounts of the opposite party of the data transaction according to intelligent contracts, exchanges the main chain tokens into side chain tokens which can be identified by blockchains affiliated to the data provider, directly pays the account of the data provider through the trust middle node of the affiliated blockchain side chain network of the data provider, and meanwhile, the big data transaction platform directly tests and updates information of both parties of the transaction and index information of the transaction data.
Preferably, the data terminal device may send the transaction requirement to a trusted intermediate node, where the trusted intermediate node broadcasts to all data terminal devices on a blockchain side chain network or a blockchain main chain network, matches existing data to be transacted, and pushes the best matching result to the data terminal device of the party requiring the transaction according to a time period, and if the transaction is completed, the trusted intermediate node may acquire rewarding side chain tokens.
Preferably, the side chain tokens may be sorted by the difference in blockchain side chain networks, the side chain tokens being freely exchangeable with the main chain tokens.
Preferably, the data is personal health data including blood glucose value, body temperature, heart rate, location, number of steps, blood pressure and environmental data.
Preferably, the data terminal device comprises a device body and an elastic wristband, wherein two ends of the elastic wristband are respectively connected with the device body;
the device comprises a device body, wherein the upper surface of the device body is provided with a display module, the lower surface of the device body is internally provided with a containing cavity, a microfluidic chip and a data acquisition judging module are sequentially and matched and arranged in the containing cavity from bottom to top, and the microfluidic chip is tightly matched with the containing cavity;
the microfluidic chip is used for continuously collecting sweat on the surface of the skin in real time for batch storage and carrying out mapping color development according to the glucose content in the sweat;
the data acquisition judging module is used for acquiring a color development image of the microfluidic chip in real time, processing the image, comparing the processed image with a reference color, obtaining a blood glucose value result, and sending the blood glucose value result to the display module for display and output;
the data acquisition judging module comprises a photographing unit, a fluorescent source unit, a communication unit and a control processor, wherein the photographing unit photographs an image developed by the microfluidic chip under the fluorescent irradiation provided by the fluorescent source unit according to an instruction sent by the control processor and sends the image into the processor, and the control processor compares the image with a color difference reference point according to different color difference effects of the image and finally judges the concentration degree of glucose in sweat of a user; the communication unit is used for carrying out wireless data transmission with external equipment;
the inner surface of the wrist strap is also provided with a personal health data sensor which is in communication connection with the control processor, and the personal health data sensor comprises a heart rate sensor, a temperature and humidity sensor, a pressure sensor, a motion data sensor and a GPS (global positioning system) positioner.
Preferably, the microfluidic chip is of a sheet-shaped structure and is made of transparent materials, sweat absorbing points are arranged on the outer side face of the microfluidic chip, a plurality of sweat storage points are sequentially arranged in the microfluidic chip according to the depth, the storage points are respectively communicated with the sweat absorbing points through sweat circulating channels, and an exhaust channel is further connected to the top of each storage point.
Preferably, the surface is prepared from glucose-sensitive chromogenic material, and the glucose-sensitive chromogenic material is a polymer gel flexible film material.
Preferably, the device body is made of flexible materials, the microfluidic chip is detachably connected with the opening of the accommodating cavity, and the data acquisition judging module is fixedly arranged in the accommodating cavity and is positioned right above the microfluidic chip;
the device comprises a device body, and is characterized in that the upper surface of the device body is also provided with a camera, and an energy storage module which is electrically connected with the data acquisition judging module, the camera, the display module and the personal health data sensor is also arranged in the device body.
The present invention also provides a computer readable storage medium having stored thereon a data trafficking transmission program executable by one or more processors to implement the steps of the data trafficking transmission method as described above.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts the blockchain technology to establish a blockchain main chain network and a side chain network of data, adopts the Internet of things technology to manage, safely communicate and store mass intelligent data acquisition equipment, realizes the safety mapping of physical world data information and virtual network world digital resources, ensures the communication safety and data authenticity of digital health data assets in the whole interaction process, deeply mines the value of user data, carries out private information digital asset transaction among data terminal equipment based on the support of the blockchain technology, and uploads the post-transaction information to the blockchain main chain network for distributed accounting management, thereby realizing the direct realization of user personal data in a data transaction platform.
The data terminal equipment particularly realizes the effects of finishing data summarization, encryption and uploading under the condition that a user is not felt, avoids the scene of manually filling data, ensures the authenticity of the data, encrypts the blood glucose value data together with the information such as the body temperature, the heart rate, the position, the step number, the blood pressure, the environmental data and the like which are acquired simultaneously, and then uploads the data to a blockchain side chain network to construct a multi-source multi-dimensional database information architecture, and after the personal data information is made into asset by adopting the blockchain technology, the user can select to transact the asset personal health data for medical staff to acquire more real and effective doctor-patient data samples, improve the service diagnosis capability and establish a reference data template or establish a chronic disease database such as diabetes as a data asset library for analyzing, preventing and solving various problems.
According to the invention, the data information is directly encrypted through the blockchain technology in the data terminal equipment to generate the corresponding hash value, the physical process of the digital information is completed, the possibility is provided for the offline direct transaction of the digital asset, the intelligent health system of the big data of the Internet of things is established by adopting a private transaction coexistence mode of the blockchain main chain and the blockchain side chain network, and the effect of online-offline digital transaction linkage is achieved.
Meanwhile, in order to smoothly carry out a data transaction type transmission method, the invention designs the data terminal equipment, which can realize the collection of information such as body temperature, heart rate, position, step number, blood pressure, environmental data and the like, automatically correlates, integrates, encrypts and uploads single blood glucose value data with various information, realizes the multisource of health data, establishes a multi-dimensional purpose of personal health archive, is used for the management and inquiry of self health data of a user, can assist health examination, realizes the detection and health intervention management of the health data of the user, realizes the continuous collection of sweat by adopting a mode of combining a wearable wrist strap with a micro-fluidic chip attached to the inner side of a device body, can continuously collect micro-sweat discharged from a body surface by virtue of a micro-fluidic chip special designed micro-channel structure, can store the obtained sweat sample inside the micro-fluidic chip for detecting blood glucose value by using blood glucose, can achieve the effects of easy wearing, real-time and fool type operation and no influence of environmental conditions, can realize the continuous collection of blood glucose value by using a high polymer gel flexible film material for manufacturing the micro-fluidic chip, can realize the color difference characteristics of different glucose concentrations, can realize the continuous collection of blood glucose value by matching with the blood glucose value of a blood glucose value, and can realize the current image and continuous image comparison and the image collection by comparing and the color difference with the current image and the image of the image.
In addition, the microfluidic chip for detecting the glucose concentration high polymer material in sweat is a flexible film material, and the design mode of the wrist strap is combined, so that sense discomfort is not brought to a user, meanwhile, the detection of the acquired sweat sample is completed in a special micro-channel structure of the microfluidic chip, and the current situation that the external detection has relatively harsh requirements on the detection environment is avoided.
Other prominent substantial features and significant advances of the invention relative to the prior art are described in further detail in the examples section.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the data flow of the transaction incentive mode with trusted intermediary personnel participation in embodiment 1;
FIG. 2 is a schematic diagram of a blockchain backbone network structure of example 1;
fig. 3 is a schematic perspective view of a data terminal device in embodiment 1;
fig. 4 is a schematic perspective view of a data terminal device in embodiment 1;
fig. 5 is a schematic top view of the data terminal device of embodiment 1;
fig. 6 is an enlarged schematic view of the structure at the accommodation chamber of the data terminal device of embodiment 1;
fig. 7 is a schematic diagram of a data acquisition and judgment module of the data terminal device in embodiment 1;
fig. 8 is a schematic diagram of a top perspective view of a microfluidic chip of the data terminal device of embodiment 1;
fig. 9 is a schematic diagram of a microfluidic chip of the data terminal device of embodiment 1 in side perspective;
FIG. 10 is a graph showing the comparative gray scale of the polymer gel flexible film material of the data terminal device of example 1 according to the color development reaction of different blood glucose levels.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that certain names are used throughout the specification and claims to refer to particular components. It should be appreciated that one of ordinary skill in the art may refer to the same component by different names. The description and claims do not identify differences in names as a way of distinguishing components, but rather are identified as a way of distinguishing components. As used in the specification and claims of this application, the terms "comprising" or "including" are to be construed as "including but not limited to" or "including but not limited to". The embodiments described in the detailed description are preferred embodiments of the invention and are not intended to limit the scope of the invention.
Furthermore, those skilled in the art will appreciate that the various aspects of the present invention may be implemented as a system, method, or computer program product. Accordingly, aspects of the present invention may be embodied in a combination of hardware and software, which may be referred to herein collectively as a "circuit," module, "or" system. Furthermore, in some embodiments, aspects of the invention may also be implemented in the form of a computer program product in one or more microcontroller readable media having program code embodied therein that is readable by a microcontroller.
Example 1
Referring to fig. 1-2, in order to realize real-time flexible collection of user data, efficient management of interaction between data terminal equipment and health data, asset weight calibration of data information, and value amplification of data and assets, the present embodiment adopts the ideas of gathering and utilizing data information resources, enhancing client viscosity of the data terminal equipment, following the concepts of good user experience and convenient and flexible use, and forming a specific data transaction type transmission method.
The data information resource gathering utilization comprises expansion of the data application and excitation of the data application, the expansion of the data application adopts a mode of associating the data information gathering with the data information, the excitation of the data application carries out ownership labeling of the data asset on the data information by means of a blockchain technology, the data information is transacted in a data platform and among intelligent terminal devices, direct benefits are brought to owners of the data information, and the owners of the data information are stimulated in the opposite direction to the initiative of data information maintenance.
The data information of the data information gathering terminal user is subjected to data gathering through the layer of the Internet of things platform, the gathered health data information is analyzed and correlated through the background server, the data correlation is deep mining of the health data, abnormal conditions are further prompted according to the incidence relation and the causality relation between the research and judgment symptoms and the phenomenon, an alarm threshold is obtained, the prevention gateway is advanced, and effective measures can be predictively and timely taken in the initial seedling stage and the slight treatment stage of the disease.
The incentive of the data application depends on the blockchain technology to support the personal privacy security, the personal data asset and the data transaction materialization of the data in the network, and after the private transaction outside the blockchain main chain is realized among the intelligent terminal devices, private transaction information is packaged and chained to achieve the data closed loop, the ecological closed loop and the value closed loop of the personal data in the whole system, the workload proves that the incentive mechanism enables users to autonomously participate in the construction of the network system, the linkage, interaction and transaction among the data terminal devices are completed, the health data analysis, integration and transaction in the online platform are carried out, the online and offline are subjected to the safe, real-time and effective association and mapping through the network platform, and the intelligent health ecological system realized by the digital information value conversion from the physical world to the network world and the intelligent health management of the physical world is constructed.
Based on the above analysis, the data transaction transmission method of the present embodiment includes the following steps:
ad hoc network among data terminal devices, and block device network is built;
constructing a blockchain side chain network by a plurality of blockequipment networks and a trust intermediate node;
a plurality of blockchain side chain networks and a big data transaction platform form a blockchain main chain network;
establishing unique identity verification of each data terminal device on the blockchain side chain network and the blockchain main chain network, and setting a matching account;
each data terminal device collects local data and uploads the local data to a local database, and the local data are collected with own account information to edit data index information, encrypt data main body information and generate a secret key; the data in this embodiment is personal health data including blood glucose level, body temperature, heart rate, location, number of steps, blood pressure and environmental data.
Uploading the data index information, the encrypted main body information and the secret key to a distributed database in a trust middle node, carrying out asset formation on the acquired data according to a preset block side chain network intelligent contract, broadcasting the data index information and the asset formation pricing information on a block chain side chain network or a block chain main chain network to all data terminal equipment, and simultaneously injecting rewarding side chain tokens into accounts corresponding to the data terminal equipment of a data provider;
the opposite party of data transaction pays according to the contract agreed payment mode of the intelligent contract, the key is obtained after successful payment, and the corresponding data in the database is obtained through the key;
the data transaction opposite party pays according to an intelligent contract agreed payment mode, and specifically comprises the following steps:
if the data terminal equipment of the opposite party of the data transaction and the data terminal of the data provider belong to the same blockchain side chain network, the opposite party of the data transaction sends request transaction information to a trust middle node, the trust middle node deducts side chain tokens in the account of the opposite party of the data transaction according to an intelligent contract to pay directly to the account of the data provider, sends a secret key of the transaction number to the opposite party of the data transaction, and simultaneously sends information of both parties of the transaction and index information of the transaction data to a big data transaction platform for signature verification and updating;
if the data terminal equipment of the opposite party of the data transaction and the data terminal of the data provider belong to different blockchain side chain networks, the opposite party of the data transaction sends request transaction information to a big data transaction platform through a trust middle node of the affiliated blockchain side chain network, the big data transaction platform deducts main chain tokens in accounts of the opposite party of the data transaction according to intelligent contracts, exchanges the main chain tokens into side chain tokens which can be identified by blockchains affiliated to the data provider, directly pays the account of the data provider through the trust middle node of the affiliated blockchain side chain network of the data provider, and meanwhile, the big data transaction platform directly tests and updates information of both parties of the transaction and index information of the transaction data.
The data terminal equipment can send the transaction demand to the trust intermediate node, the trust intermediate node broadcasts to all the data terminal equipment on the blockchain side chain network or the blockchain main chain network, simultaneously matches the existing data to be transacted, pushes the best matching result to the data terminal equipment of the transaction demand party according to the time period, and if the transaction is completed, the trust intermediate node can acquire rewarding side chain tokens.
The side chain tokens in this embodiment can be classified according to the different blockchain side chain networks, and the side chain tokens and the main chain tokens can be exchanged freely.
Referring to fig. 3 to 10, in this embodiment, the data terminal device includes a device body 1 and an elastic wristband 2 having two ends respectively connected to the device body;
the device comprises a device body 1, wherein the upper surface of the device body is provided with a display module 11, the lower surface of the device body is inwards provided with a containing cavity 12, the display module 11 can be a display screen or a touch type interactive display screen, the interior of the containing cavity 12 is sequentially provided with a microfluidic chip 3 and a data acquisition judging module 4 in a matching manner from bottom to top, and the microfluidic chip 3 is tightly matched with the containing cavity 12; the data acquisition judging module 4 comprises a photographing unit 41, a fluorescent light source unit 42 and a control processor 43, wherein the photographing unit 41 photographs an image of the micro-fluidic chip 3 after color development under the fluorescent light irradiation provided by the fluorescent light source unit 42 according to an instruction sent by the control processor 43 and sends the image to the processor 43, and the control processor 43 compares the image with a color difference reference point according to different color difference effects of the image to finally judge the concentration degree of glucose in sweat of a user.
The microfluidic chip 3 is used for continuously collecting sweat on the surface of the skin in real time for batch storage and carrying out mapping color development according to the glucose content in the sweat;
the upper surface of the device body 1 of the embodiment is also provided with a camera 5, and an energy storage module which is respectively and electrically connected with the data acquisition judging module 4, the camera 5, the display module 11 and the personal health data sensor is also arranged in the device body.
The data acquisition and judgment module 4 is used for acquiring the color development image of the microfluidic chip 3 in real time, processing the image, comparing the processed image with a reference color, obtaining a blood glucose value result, and sending the blood glucose value result to the display module 11 for display and output. Referring to fig. 3-4, the inner surface of the wrist strap 2 in this embodiment is further provided with a personal health data sensor communicatively connected to the control processor 43, where the personal health data sensor includes a heart rate sensor 21, a temperature and humidity sensor 22, a pressure sensor 23, a motion data sensor 24, and a GPS locator 25. Through this kind of design this device can realize gathering information such as body temperature, rhythm of the heart, the position, step number, blood pressure and environmental data in the lump, automatic single blood glucose value data and multiple information correlation, integration, encryption and uploading realize healthy data multisource, the purpose of individual health archives establishment multidimension is used for the user to self health data's management and inquiry, and can assist healthy examination, realize user health data detection and healthy intervention management, above-mentioned each sensor can directly adopt the common structure in market, its circuit design or connect all are the mode that the person of the art knows.
The data acquisition and judgment module 4 in this embodiment is further provided with a communication unit 44 for wireless data transmission with an external device. The data interaction channel can be established between the device and the mobile internet, and basic data support can be provided for mobile medical treatment and remote medical treatment based on powerful software and hardware resources, computing capacity and data processing capacity of the internet cloud server.
Because the acquisition of the measurement samples such as trace sweat can not be realized in the prior in-vitro detection field when sweat detection samples are acquired, the patients are required to do intense exercises, and the in-vitro detection field is not suitable for the aged people. Moreover, at present, according to an in-vitro detection mode of body fluid detection, the collected body fluid sample cannot be effectively stored, so that the collected body fluid measurement sample is easy to volatilize and pollute, and the related problems that the collected body fluid sample needs to be stable and harsh in the detection process are perfected, as shown in fig. 8-9, the microfluidic chip 3 in the embodiment is of a sheet-shaped structure and is prepared by adopting a transparent material, sweat absorbing points 31 are arranged on the outer side surface of the microfluidic chip 3, a plurality of sweat storage points 32 are sequentially arranged in the microfluidic chip 3 according to the depth, the storage points 32 are respectively communicated with the sweat absorbing points 31 through sweat flowing channels 33, the top of each storage point is also connected with an exhaust channel, 8 sweat storage points are uniformly distributed at intervals in the overlooking direction in the schematic diagram of the embodiment, the microfluidic chip 3 is conveniently attached to the skin surface, sweat absorbing points 31 are collected by adopting a sheet-shaped structure, sweat flowing out from the surface can be sequentially filled with sweat absorbing points 33, and each sweat storage point 32 is sequentially filled with sweat absorbing points 32 in the whole channel, and the sweat storage points 32 are simultaneously stored in the whole channel after the whole sweat channel is sequentially, and the sweat storage points 32 are sequentially stored in the whole channel, and the sweat storage points 32 are sequentially and the sweat storage points are sequentially stored in the sweat storage channels are all the sweat storage points 32.
In this embodiment, two color development reference points 34 are further disposed on the inner side of the microfluidic chip 3, and are used as reference points when the pictures are displayed and compared.
The glucose sensitive color development material in the embodiment is a polymer gel flexible film material, after the material and sweat can generate color development reaction, different color differences can be displayed under fluorescent irradiation, the concentration of glucose in the sweat is different, the color difference effect displayed by the color development reaction of the material is different, the color difference effect is compared with a color difference reference point, and finally, the concentration of glucose in the sweat of a user is judged, so that the blood glucose value of the user is reflected, and the material can be obtained by directly purchasing from the market, and is relatively common in a preparation method which comprises the following steps:
preparing porous silicon/carbon quantum dot composite particles,
preparing red fluorescent porous silicon particles: the monocrystalline silicon wafer is subjected to surface washing pretreatment and then subjected to electrochemical etching, electrochemical stripping and weak oxidation activation to obtain porous silicon particles with red fluorescence characteristics;
electrochemical preparation of porous silicon particles,
fixing a P-type boron-doped silicon wafer serving as a monocrystalline silicon wafer in an electrolytic cell, wherein electrolyte is an organic solvent and hydrofluoric acid, an anode is a silicon wafer, a cathode is a platinum electrode, and performing electrochemical etching to obtain a porous silicon layer; electrochemical stripping is carried out by reducing the mass concentration of hydrofluoric acid, and the porous silicon film is separated from the silicon substrate; placing the obtained porous silicon film in ethanol for ultrasonic treatment to obtain micron-sized porous silicon particles;
weak oxidation activation of porous silicon particles: and soaking the porous silicon particles in PBS buffer solution, centrifuging and cleaning after soaking to obtain the porous silicon particles with red fluorescence.
Preparing porous silicon/carbon quantum dot composite particles,
dispersing the prepared red fluorescent porous silicon particles into a metal nanoparticle solution, vibrating and mixing for 30-60 minutes at room temperature, centrifuging and cleaning to obtain metal nanoparticle modified porous silicon particles,
mixing urea and sodium citrate, heating at 150-200deg.C for 100-150 min, adding water to obtain carbon quantum dot solution with blue fluorescence characteristic,
dispersing porous silicon particles modified by metal nano particles into a carbon quantum dot solution, mixing and vibrating for 3-6 hours, and obtaining porous silicon/carbon quantum dot composite particles after centrifugation and cleaning;
preparing a chitosan film loaded with porous silicon/carbon quantum dot composite particles,
1) Glucose oxidase and a cross-linking agent are added into the chitosan solution to obtain a chitosan mixed solution,
2) Dispersing porous silicon/carbon quantum dot composite particles into a chitosan mixed solution, uniformly coating the chitosan mixed solution on the surface of a polyurethane film, standing for 3-6 hours at room temperature, and obtaining the polymer gel flexible film material with double-color fluorescence property after the chitosan gel is formed.
The polymer gel flexible film material prepared by the method has obvious change of fluorescent color generated by monitoring glucose, and the lower graph is a comparison graph after the corresponding color development reaction of different blood sugar values is grayed as shown in fig. 10.
The device body 1 is made of flexible materials, the microfluidic chip 3 is detachably connected with the opening of the accommodating cavity, the data acquisition judging module 4 is fixedly arranged in the accommodating cavity 12 and is located right above the microfluidic chip 3, the detachable connection can be slot connection, slot connection or bolt connection, or any common detachable connection mode can be adopted, as shown in fig. 4, the device body 1 is provided with a circular groove 121 matched with the microfluidic chip 3 at the opening of the accommodating cavity 12, and the circular groove 121 can be used for mounting or dismounting the microfluidic chip 3 under the condition of deformation due to the dual effects that the device body 1 is made of flexible materials and the microfluidic chip 3 is made of flexible materials.
In the working process of the invention, after all sweat storage points 32 are fully collected, the microfluidic chip 3 can be replaced, and according to different seasons or different physiques of users, the volumes of storage nodes in different microfluidic chips 3 can be prepared, so that the effect of replacing the microfluidic chip 3 according to set time is achieved.
In this embodiment, the data acquisition and judgment module 4 acquires the color development image of the microfluidic chip 3 in real time, and compares the processed image with the reference color, which specifically includes
The R value and the B value data of all pixel points of the obtained fluorescent image are exported, and R/B values are calculated;
normalizing R/B values of all pixel points in the film fluorescent images shot before and after each tester test, multiplying by 225, setting the maximum value color as red, setting the minimum value color as blue, and setting other points as corresponding colors between red and blue according to the R/B values to obtain a fluorescent image with enlarged color difference;
calculating the average R/B value of each image, multiplying 225, setting the maximum value color as red, the minimum value color as blue, and setting other images as colors between the corresponding red and blue according to the R/B value to obtain a fluorescence image with averaged colors;
and setting a patient test image at a hyperglycemia critical value as a standard color card, and comparing the color of the image obtained by the test post-treatment of the tester with the color of the standard color card.
Example 2
The present embodiment provides a computer-readable storage medium, wherein a data-tradable transmission program is stored on the computer-readable storage medium, and the data-tradable transmission program is executable by one or more processors to implement the steps of the data-tradable transmission method as described in embodiment 1.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, and may be located in one place. Or may be distributed across multiple network elements. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention.
And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM). Random Access Memory (RAM), magnetic disk or optical disk, etc., which can store program verification codes.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A data transaction transmission method, comprising the steps of:
ad hoc network among data terminal devices, and block device network is built;
constructing a blockchain side chain network by a plurality of blockequipment networks and a trust intermediate node;
a plurality of blockchain side chain networks and a big data transaction platform form a blockchain main chain network;
establishing unique identity verification of each data terminal device on the blockchain side chain network and the blockchain main chain network, and setting a matching account;
each data terminal device collects local data and uploads the local data to a local database, and the local data are collected with own account information to edit data index information, encrypt data main body information and generate a secret key;
uploading the data index information, the encrypted main body information and the secret key to a distributed database in a trust middle node, carrying out asset formation on the acquired data according to a preset block side chain network intelligent contract, broadcasting the data index information and the asset formation pricing information on a block chain side chain network or a block chain main chain network to all data terminal equipment, and simultaneously injecting rewarding side chain tokens into accounts corresponding to the data terminal equipment of a data provider;
the opposite party of data transaction pays according to the contract-agreed payment mode of the intelligent contract, the key is obtained after successful payment, and the corresponding data in the database is obtained through the key.
2. The data transaction transmission method according to claim 1, wherein the data transaction counterpart pays according to an intelligent contract agreement payment mode, specifically comprising:
if the data terminal equipment of the opposite side of the data transaction and the data terminal of the data provider belong to the same blockchain side chain network, the opposite side of the data transaction sends request transaction information to a trust intermediate node, the trust intermediate node deducts side chain tokens in the account of the opposite side of the data transaction according to an intelligent contract to pay directly to the account of the data provider, sends a secret key of transaction data to the opposite side of the data transaction, and simultaneously sends information of both sides of the transaction and index information of the transaction data to a big data transaction platform for signature verification and updating;
if the data terminal equipment of the opposite party of the data transaction and the data terminal of the data provider belong to different blockchain side chain networks, the opposite party of the data transaction sends request transaction information to a big data transaction platform through a trust middle node of the affiliated blockchain side chain network, the big data transaction platform deducts main chain tokens in accounts of the opposite party of the data transaction according to intelligent contracts, exchanges the main chain tokens into side chain tokens which can be identified by blockchains affiliated to the data provider, directly pays the account of the data provider through the trust middle node of the affiliated blockchain side chain network of the data provider, and meanwhile, the big data transaction platform directly tests and updates information of both parties of the transaction and index information of the transaction data.
3. The data transaction transmission method according to claim 1, wherein the data terminal device can send the transaction requirement to a trust intermediate node, the trust intermediate node broadcasts to all data terminal devices on a blockchain side chain network or a blockchain main chain network, matches existing data to be transacted, pushes the best matching result to the data terminal device of the party requiring transaction according to a time period, and if the transaction is completed, the trust intermediate node can acquire rewarding side chain tokens.
4. The data transaction transmission method according to claim 2, wherein the side chain tokens are classified according to a different blockchain side chain network, and the side chain tokens and the main chain tokens are freely exchangeable.
5. The method of claim 1, wherein the data is personal health data, and the personal health data includes blood glucose level, body temperature, heart rate, location, number of steps, blood pressure, and environmental data.
6. The data transaction type transmission method according to claim 1, wherein the data terminal device comprises a device body and elastic wrist bands with both ends respectively connected with the device body;
the device comprises a device body, wherein the upper surface of the device body is provided with a display module, the lower surface of the device body is internally provided with a containing cavity, a microfluidic chip and a data acquisition judging module are sequentially and matched and arranged in the containing cavity from bottom to top, and the microfluidic chip is tightly matched with the containing cavity;
the microfluidic chip is used for continuously collecting sweat on the surface of the skin in real time for batch storage and carrying out mapping color development according to the glucose content in the sweat;
the data acquisition judging module is used for acquiring a color development image of the microfluidic chip in real time, processing the image, comparing the processed image with a reference color, obtaining a blood glucose value result, and sending the blood glucose value result to the display module for display and output;
the data acquisition judging module comprises a photographing unit, a fluorescent source unit, a communication unit and a control processor, wherein the photographing unit photographs an image developed by the microfluidic chip under the fluorescent irradiation provided by the fluorescent source unit according to an instruction sent by the control processor and sends the image into the processor, and the control processor compares the image with a color difference reference point according to different color difference effects of the image and finally judges the concentration degree of glucose in sweat of a user; the communication unit is used for carrying out wireless data transmission with external equipment;
the inner surface of the wrist strap is also provided with a personal health data sensor which is in communication connection with the control processor, and the personal health data sensor comprises a heart rate sensor, a temperature and humidity sensor, a pressure sensor, a motion data sensor and a GPS (global positioning system) positioner.
7. The data transaction type transmission method according to claim 6, wherein the microfluidic chip is of a sheet-shaped structure and is made of transparent materials, sweat absorbing points are arranged on the outer side face of the microfluidic chip, a plurality of sweat storage points are sequentially arranged in the microfluidic chip according to depth, the storage points are respectively communicated with the sweat absorbing points through sweat circulating channels, and an exhaust channel is further connected to the top of each storage point.
8. The data transaction transmission method according to claim 7, wherein the inner surface of the storage point is made of glucose-sensitive chromogenic material, and the glucose-sensitive chromogenic material is a polymer gel flexible film material.
9. The data transaction type transmission method according to claim 7, wherein the device body is made of flexible materials, the microfluidic chip is detachably connected with the opening of the accommodating cavity, and the data acquisition judging module is fixedly arranged in the accommodating cavity and is positioned right above the microfluidic chip;
the device comprises a device body, and is characterized in that the upper surface of the device body is also provided with a camera, and an energy storage module which is electrically connected with the data acquisition judging module, the camera, the display module and the personal health data sensor is also arranged in the device body.
10. A computer readable storage medium having stored thereon a data trafficking transmission program executable by one or more processors to implement the steps of the data trafficking transmission method according to any one of claims 1 to 5.
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