CN108446992A - A kind of net connection accurate Accident Handling Method of automobile based on block chain - Google Patents
A kind of net connection accurate Accident Handling Method of automobile based on block chain Download PDFInfo
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Abstract
The invention discloses a kind of, and the net based on block chain joins the accurate Accident Handling Method of automobile, and realization process is：One, it is connected all first with the relevant participation node of accident treatment by block chain technology, alliance's chain is established based on P2P common recognition networks, the life cycle of accident treatment is put into block chain and is recorded；It by the intelligent terminal collection site data at car accident scene and uploads, accident treatment is completed by the relevant participation node of each accident treatment.A kind of accurate Accident Handling Method of net connection automobile based on block chain of the present invention is compared with prior art, it is unified, by way of decentralization, efficiently solve the problems, such as the mutual trust of participation each side, improve the confirmation of responsibility accuracy rate and processing speed of accident, and provide accident tracing function, the transparency for improving incident processing procedure shortens the accident treatment time, saves car accident processing cost.
Description
Technical Field
The invention relates to the technical field of block chain technology and Internet of things, in particular to a block chain-based accurate accident handling method for an internet-connected automobile.
Background
The block chain technology, also called as distributed ledger technology, is a technical scheme for decentralized trusting and collective maintenance of a distributed ledger, and essentially realizes a distributed database system with untrustworthy data and credible calculation results by collectively participating in a plurality of nodes through a multi-party storage and multi-party calculation mode. The blockchain is not a single technology, but a result of fusion of multiple technologies, and a reliable and difficult-to-tamper ledger record is maintained by using the blockchain technology, so that the trust risk can be reduced, and the maintenance cost of cooperation of many participants can be effectively reduced.
The development of blockchain technology has made possible intelligent contracts, which are essentially a piece of code that is automatically executed by a computer or network of computers in accordance with the rights and obligations to sign the contract, the execution of which is controlled without a central node. The intelligent contract uses the code mode, so that the mandatory execution force of contract terms is ensured; intelligent contracts are combined with blockchains so that no third party can tamper with the terms of the contract once set. The subversive technology of the intelligent contracts is an important characteristic of the block chain and can generate great changes to the human social structure.
In recent years, the internet is rapidly developed, and the era of internet of things comes from the era of PC internet and mobile internet, and the era of internet of everything interconnection comes, and various heterogeneous devices such as mobile communication devices and internet of things terminal devices are connected to the internet. On the other hand, with the development of the artificial intelligence technology, the intelligent and networking trends of the terminal are more obvious, and the capability of the terminal equipment is gradually enhanced. The automobile as a travel tool gradually develops towards intellectualization and networking, a safer, more energy-saving, more environment-friendly and more comfortable travel mode can be provided, the automobile is provided with advanced vehicle-mounted sensors, controllers, actuators and other devices, modern communication and network technologies are fused, intelligent information exchange and sharing between the automobile and X (automobile, road, people, cloud and the like) are realized, and the automobile has certain capabilities of complex environment perception, intelligent decision making, cooperative control and the like.
With the improvement of the intelligent capacity of the automobile, the driving safety of the automobile is improved to a certain extent, but a large number of traffic accidents still occur, and when the traffic accidents occur on the automobile, the handling of the automobile relates to a plurality of aspects such as accident responsibility confirmation, accident-related insurance damage and compensation, accident site personnel and vehicle handling, and accident vehicle maintenance. For example, in a loss assessment maintenance process, vehicle insurance companies pay attention to the fact that maintenance factories falsely enlarge loss information to cheat insurance. Involving mutual distrust among the parties to the incident also makes it difficult to quickly and accurately complete the incident's responsibility determination and handling. Under the circumstance, how to effectively utilize the block chain technology, integrate the networking automobile and the sensing data generated at the accident site, achieve mutual trust of all parties, and quickly and accurately process the accident becomes a problem which needs to be solved urgently.
Disclosure of Invention
The technical task of the invention is to provide an accurate accident handling method for the networked automobile based on the block chain, aiming at the defects.
An accurate accident handling method of a block chain-based networked automobile is realized by the following steps,
firstly, connecting all the participating nodes related to accident handling through a block chain technology, establishing a alliance chain based on a P2P consensus network, and recording the life cycle of the accident handling in the block chain;
and secondly, acquiring and uploading field data through an intelligent terminal of the vehicle accident field, and completing accident handling by each accident handling related participating node.
In the first step, the participating nodes comprise a vehicle-connected cloud platform, an insurance company platform, a roadside node V2I platform, a public security accident processing platform, a maintenance factory and a third-party digital authentication center, the platforms correspond to a vehicle end, an insurance company, a V2I supervision department and a public security department, and the participating nodes are responsible for acquiring accident related data, issuing intelligent contracts and participating in building block chains together; each participating node maintains an account book together, and the execution result of an intelligent contract is recorded in the account book, wherein the intelligent contract comprises a vehicle accident alarm intelligent contract, an accident field vehicle machine end data intelligent contract, an accident field V2I platform data intelligent contract, an accident field insurance company data intelligent contract, an accident field public security data intelligent contract, an accident analysis processing intelligent contract, a vehicle maintenance process data intelligent contract and an insurance claim settlement data intelligent contract; and the third-party digital certificate authentication center issues digital certificates for all the participating nodes.
The vehicle-connected cloud platform is responsible for managing vehicles, reporting vehicle-end acquired information to an alliance chain, providing an instruction issuing and terminal upgrading channel, acquiring running information of the vehicles, including speed, position, brake use, accelerator use and vehicle conditions, by the vehicle end through a CAN bus, and issuing an accident site vehicle-end data intelligent contract; the insurance company platform is responsible for related services of vehicle accident insurance and issues accident site insurance company data intelligent contracts and insurance claim settlement data intelligent contracts; the roadside V2I platform is responsible for managing infrastructure on two sides of a road and communicating with vehicles, comprises signal lamps, roadside cameras and a roadside computing unit, realizes connection and information exchange between the infrastructure and the vehicles, and issues an accident site V2I platform data intelligent contract; the police accident handling platform is responsible for traffic police law enforcement related matters, issues vehicle accident alarm intelligent contracts, accident site police data intelligent contracts and accident analysis handling intelligent contracts, realizes site data acquisition and information verification, collects the site data together for analysis, and finally issues responsibility confirmation reports; the maintenance factory is responsible for vehicle maintenance, generates maintenance records and issues vehicle maintenance process data intelligent contracts; the third-party digital certificate authentication center is responsible for issuing digital certificates for the participating nodes, realizing the safe communication and identity authentication between the nodes, issuing digital certificates for the participating terminals and ensuring the credibility of the data.
The participating nodes also comprise an access node, an endorsement node and a bookkeeping node, wherein the access node is a public security accident processing platform node and is responsible for the access of the participating nodes; the endorsement node is selected from the nodes of the block chain P2P consensus network and is responsible for executing and confirming the intelligent contract; the accounting nodes reach consensus, new blocks are generated and broadcast to the whole P2P consensus network, and each participating node completes confirmation and updates the local account book.
The process of building the alliance chain in the step one is as follows:
firstly, deploying block chain nodes on a service platform corresponding to a car factory, an insurance company, a maintenance factory, a V2I supervision department and a public security department mechanism to form a P2P consensus network, and completing the construction of an initial block chain infrastructure;
the block chain participation node appoints an endorsement node and an accounting node according to a block chain consensus strategy;
and configuring an access node, determining whether to allow the addition of a new node, and issuing a digital certificate through a third-party digital certificate authentication center after the identity is confirmed, thereby completing the establishment of the alliance chain.
The accident handling process in the step two is as follows:
the public security accident processing platform receives the vehicle accident alarm, issues an intelligent contract of the vehicle accident alarm, generates an identifier and basic data of the accident, generates an asymmetric key pair KP as a temporary encryption key for collecting the data, wherein the KP refers to a public key PubKey and a private key PrIKEY, and collects the data to the public security accident processing platform;
the vehicle-connected cloud platform receives sensing data from a vehicle end, wherein the sensing data comprises vehicle speed, position, brake use, accelerator use, vehicle condition and driving image information, and stores the data to the vehicle-connected cloud platform;
the vehicle-connected cloud platform acquires related vehicle information according to a notice generated by executing an intelligent vehicle accident alarm contract, encapsulates collected accident original data into a digital envelope by using a PubKey, sends the digital envelope to a public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an intelligent vehicle end data contract of an accident site, and writes the intelligent vehicle end data contract into a block chain;
the roadside V2I platform receives the sensing data from the roadside end, performs event-driven classification compression through an artificial intelligence technology, wherein the data comprises roadside camera shooting data, signal lamp conditions and sensing data from vehicles, and stores the data to the roadside V2I platform;
the roadside V2I platform acquires event information including accident-related time and places according to a notice generated by executing the vehicle accident alarm intelligent contract, encapsulates corresponding original data into a digital envelope by using a PubKey, sends the digital envelope to the public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an accident site V2I platform data intelligent contract, and writes the intelligent contract into a block chain;
the insurance company platform collects field data from the accident field and collected by workers or users of the accident field, and stores the data to the insurance company platform;
the insurance company platform acquires related vehicle information according to a notice generated by executing the intelligent contract for vehicle accident alarm, encapsulates the collected accident original data into a digital envelope by using a PubKey, sends the digital envelope to the public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an intelligent contract for the insurance company data on an accident site, and writes the intelligent contract into a block chain;
the public security accident handling platform collects field data from an accident field and collected by law enforcement personnel, stores the data to the public security accident handling platform, calculates a summary value through original data, issues an intelligent contract of the public security data of the accident field after digital signature is carried out by using a node private key, and writes the intelligent contract into a block chain;
the public security accident processing platform collects accident field data from other related platforms, decrypts the accident field data by using a temporary encryption private key PriKey to obtain original data, and inquires a block chain to verify the legality of the original data;
after acquiring all accident data, the public security accident processing platform automatically collects the field data for comprehensive analysis, issues an accident analysis processing intelligent contract, finally issues a responsibility confirmation report, sends the responsibility confirmation report to each participant, calculates a summary value of the confirmation report result, uses a node private key for digital signature, and stores the node private key in a block chain;
a maintenance factory records the vehicle maintenance process, generates a maintenance record, issues a vehicle maintenance process data intelligent contract, calculates a summary value of the maintenance record, uses a node private key to carry out digital signature, and stores the summary value into a block chain;
the insurance company platform records the data of the vehicle accident claim settlement process, issues an intelligent contract of the vehicle maintenance process data, calculates a summary value of the maintenance record, uses a node private key to carry out digital signature, and stores the summary value into a block chain;
the intelligent contract generated in the above steps is broadcasted to the P2P consensus network through the participating node, and the response of the endorsement node is waited;
the endorsement node automatically starts to execute the intelligent contract: the endorsement node determines whether the intelligent contract execution is correctly endorsed through an endorsement strategy and determines whether the intelligent contract execution is effective; if the intelligent contract is confirmed to be executed effectively, turning to the next step; otherwise, sending an error report to the block chain participation node;
after the endorsement node collects enough endorsements, the endorsement node sends results to the accounting node, and the accounting node achieves consensus to generate a new block;
and the block chain participating nodes acquire updated data through the P2P consensus network and update respective local account book records.
The method also comprises the following steps of:
a user submits an accident process tracing request which comprises basic information of a vehicle accident;
requesting relevant accident processing parties to provide original data including accident site acquisition data, responsibility confirmation reports, vehicle maintenance records and insurance claim settlement process data according to the accident basic information;
inquiring a block chain according to the accident basic information, acquiring a digital certificate of a data provider, and verifying the legality of the digital certificate;
verifying the digital signature of the data in the block chain through a digital certificate of a data provider, and determining the legality of the data;
comparing the calculated abstract value of the original data with the data in the block chain to determine the legality of the data;
when all verification passes, the user obtains the original data, and further performs responsibility confirmation; otherwise, the data has been tampered with or lost.
Compared with the prior art, the block chain-based accurate accident handling method for the networked automobile has the following beneficial effects:
the invention relates to an on-line automobile accurate accident handling method based on a block chain, which combines the block chain technology, an intelligent contract and the Internet of things technology, effectively utilizes the characteristics of decentralized trusting of the block chain distributed account book technology, connects a plurality of participants related to accident handling such as an automobile cloud platform, an insurance company platform, a roadside node V2I platform, a public security accident handling platform and the like through the block chain, establishes a alliance chain based on a P2P consensus network, and puts the life cycle of the accident handling into the block chain for recording; meanwhile, the intelligent terminal of the vehicle accident site is used for collecting site data, particularly vehicle Telematics, vehicle condition data and roadside monitoring data from the networked automobile, so that the accident site data can be more effectively mastered, and the accident responsibility can be more accurately judged; compared with the traditional mode, the method effectively solves the mutual trust problem of all parties through a unified and decentralized mode, improves the responsibility confirmation accuracy and the processing speed of the accident, provides an accident tracing function, improves the transparency of the accident processing process, shortens the accident processing time and saves the vehicle accident processing cost. In addition, the control of node addition is realized through the access node, the computation speed of contract execution is accelerated by adding the endorsement node, and the execution efficiency of block chain consensus is improved by adopting a mode of an alliance chain; the Hash value and the signature value of the original data are stored in the block chain, so that the data integrity and the authenticity of the block chain are guaranteed, the client privacy is effectively protected, the practicability is high, the application range is wide, and the block chain has good popularization and use values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a block link point composition diagram.
Fig. 2 is a schematic block chain structure.
FIG. 3 is a flow chart of handling network-connected automobile accidents.
Fig. 4 is a tracing flow chart of the accident handling process.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the technical field better understand the scheme of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A block chain based accurate accident handling method for networked automobiles effectively utilizes the characteristics of decentralized trust of a block chain distributed account book technology by combining the block chain technology, an intelligent contract and the Internet of things technology, connects a plurality of participants involved in accident handling such as a vehicle cloud platform, an insurance company platform, a roadside node V2I platform, a public security accident handling platform and the like through the block chain, establishes a alliance chain based on a P2P consensus network, and puts the life cycle of the accident handling into the block chain for recording; meanwhile, the intelligent terminal of the vehicle accident site is used for collecting site data, particularly vehicle Telematics, vehicle condition data and road side monitoring data from the networked automobile, so that the accident site data can be more effectively mastered, and the accident responsibility can be more accurately judged.
The realization process is as follows:
firstly, connecting all the participating nodes related to accident handling through a block chain technology, establishing a alliance chain based on a P2P consensus network, and recording the life cycle of the accident handling in the block chain;
and secondly, acquiring and uploading field data through an intelligent terminal of the vehicle accident field, and completing accident handling by each accident handling related participating node.
As shown in fig. 1, a block chain alliance chain is established in a P2P consensus network by combining a car union cloud platform, an insurance company platform, a roadside node V2I platform, a public security accident processing platform and the like, and an admission node, an endorsement node and an accounting node exist in the P2P consensus network, and cooperate with each other to realize generation of a new block of the block chain. Each participating node maintains an account book together, and the execution result of an intelligent contract is recorded in the account book, wherein the intelligent contract comprises a vehicle accident alarm intelligent contract, an accident field vehicle machine end data intelligent contract, an accident field V2I platform data intelligent contract, an accident field insurance company data intelligent contract, an accident field public security data intelligent contract, an accident analysis processing intelligent contract, a vehicle maintenance process data intelligent contract and an insurance claim settlement data intelligent contract; third party digital certificate authorities exist to issue digital certificates for individual participants. Wherein,
the block chain participating nodes comprise mechanisms such as a car factory, an insurance company, a maintenance factory, a V2I supervision department, a public security department and the like, and the nodes are responsible for acquiring accident related data, issuing intelligent contracts and participating in building block chains together; the P2P consensus network is a network system without a central node and exchanging messages among nodes; the vehicle-connected cloud platform is responsible for managing vehicles, reporting vehicle-end collected information to the platform, issuing instructions and upgrading a terminal channel at the same time, collecting vehicle running information including vehicle speed, position, brake use, accelerator use, vehicle conditions and the like through a CAN (controller area network) bus by the vehicle end, and issuing an accident site vehicle-end data intelligent contract; the insurance company platform is responsible for related services of vehicle accident insurance and issues accident site insurance company data intelligent contracts and insurance claim settlement data intelligent contracts; the roadside V2I platform is responsible for managing infrastructure on two sides of a road and communicating with vehicles, comprises signal lamps, roadside cameras, roadside computing units and the like, realizes connection and information exchange between the infrastructure and the vehicles, and issues an accident site V2I platform data intelligent contract; the police accident handling platform is responsible for traffic police law enforcement related matters, issues vehicle accident alarm intelligent contracts, accident site police data intelligent contracts and accident analysis handling intelligent contracts, realizes site data acquisition and information verification, collects the site data together for analysis, and finally issues responsibility confirmation reports; the maintenance factory is responsible for vehicle maintenance and other matters, generates maintenance records and issues vehicle maintenance process data intelligent contracts; the third-party digital certificate authentication center is responsible for issuing digital certificates for the participating nodes, realizing the safe communication and identity authentication between the nodes, and issuing digital certificates for the participating terminals to ensure the credibility of the data; the access node is generally a public security accident processing platform node and is responsible for the access of the participation node; the endorsement node is selected from the nodes of the block chain P2P consensus network and is responsible for executing and confirming the intelligent contract; the accounting nodes achieve consensus, new blocks are generated and broadcast to the whole P2P consensus network, and each participating node completes confirmation and updates the local account book.
For clarity of description, as shown in fig. 2, the data recorded in the Block chain is a record of a user digital signature, and the Block (Block) structure of the data includes a version number, a timestamp, a transaction Merkle root summary, a contract execution state, a front Block summary value and a local Block summary value (identifier), wherein the transaction structure records intelligent contracts including a vehicle accident alarm intelligent contract, an accident field vehicle-side data intelligent contract, an accident field V2I platform data intelligent contract, an accident field insurance company data intelligent contract, an accident field public security data intelligent contract, an accident analysis processing intelligent contract, a vehicle maintenance process data intelligent contract and an insurance claim data intelligent contract. It will be understood by those skilled in the art that the configurations according to the embodiments of the present invention can be applied to other data representation methods in addition to using the above structural representation method.
The method provided by the invention will be described in detail with reference to specific examples. For convenience of description, in the following process, the SM3 cryptographic algorithm is used as a digest algorithm, the SM3SM2 cryptographic algorithm is used as a signature algorithm, the digital certificate adopts an X509 format, and the digital envelope adopts a cryptographic Q7.
Firstly, handling the network automobile accident.
Referring to fig. 3, the online car accident handling includes the following steps:
101, deploying block chain nodes on a service platform of the organizations such as the car factory, the insurance company, the maintenance factory, the V2I supervision department, the public security department and the like to form a P2P consensus network, and completing the construction of initial block chain infrastructure;
102, the block chain participation node appoints an endorsement node and an accounting node according to a block chain consensus strategy;
103, the access node determines whether to allow the addition of a new node, and issues a digital certificate through the third-party digital certificate authentication center after the identity is confirmed;
104, the public security accident processing platform receives the vehicle accident alarm, issues an intelligent contract of the vehicle accident alarm, generates the identifier and basic data of the accident, generates an asymmetric key pair KP (PubKey is a public key, and PriKey is a private key) as a temporary encryption key for collecting the data, and informs all parties of collecting the data to the public security accident processing platform;
105, the vehicle-connected cloud platform receives sensing data from a vehicle end, wherein the sensing data comprises information such as vehicle speed, position, brake use, accelerator use, vehicle conditions, driving images and the like, and stores the data to the cloud platform;
106, the vehicle-connected cloud platform acquires related vehicle information according to a notice generated by executing the vehicle accident alarm intelligent contract, packages the collected accident original data into a digital envelope by using a PubKey, sends the digital envelope to a public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an accident field vehicle end data intelligent contract, and writes the accident field vehicle end data intelligent contract into a block chain;
step 107, the roadside V2I platform receives the sensing data from the roadside end, performs event-driven classification compression by using an artificial intelligence technology, wherein the data comprises roadside camera shooting data, signal lamp conditions and sensing data from vehicles, and stores the data in a roadside V2I platform;
108, the roadside V2I platform acquires event information such as accident related time, places and the like according to the notice generated by executing the vehicle accident alarm intelligent contract, encapsulates the corresponding original data into a digital envelope by using a PubKey, sends the digital envelope to a public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an accident site V2I platform data intelligent contract, and writes the intelligent contract into a block chain;
step 109, the insurance company platform collects field data collected by workers or users in the accident field and stores the data in the insurance company platform;
110, acquiring related vehicle information by an insurance company platform according to a notice generated by executing an intelligent contract for vehicle accident alarm, packaging collected accident original data into a digital envelope by using a PubKey, sending the digital envelope to a public security accident processing platform, calculating a summary value of the original data, performing digital signature by using a node private key, issuing an intelligent contract for accident site insurance company data, and writing the intelligent contract into a block chain;
111, the public security accident handling platform collects field data from an accident field and collected by law enforcement personnel, stores the data into the public security accident handling platform, calculates a summary value of the original data, uses a node private key to carry out digital signature, issues an intelligent contract of the public security data of the accident field, and writes the intelligent contract into a block chain;
step 112, the public security accident processing platform collects accident field data from other related platforms, decrypts the accident field data by using a temporary encryption private key PriKey, acquires original data, and queries a block chain to verify the legality of the original data;
113, after acquiring all accident data, the public security accident processing platform automatically collects the field data together for comprehensive analysis, particularly issues an accident analysis processing intelligent contract by combining vehicle and roadside sensing data, finally issues a responsibility confirmation report, sends the report to each participant, calculates a summary value of a confirmation report result, uses a node private key for digital signature, and stores the summary value in a block chain;
114, recording the vehicle maintenance process by a maintenance factory, generating a maintenance record, issuing a vehicle maintenance process data intelligent contract, calculating a summary value of the maintenance record, performing digital signature by using a node private key, and storing the summary value in a block chain;
step 115, the insurance company platform records the vehicle accident claim settlement process data, issues a vehicle maintenance process data intelligent contract, calculates a summary value of the maintenance record, uses a node private key to perform digital signature, and stores the summary value in a block chain;
the intelligent contracts generated in step 116, step 104 to step 115 are broadcasted by the participating nodes to the P2P consensus network, waiting for the endorsement node to respond;
step 117, the endorsement node automatically starts to execute the intelligent contract;
step 118, the endorsement node determines whether the intelligent contract execution is correctly endorsed through the endorsement policy, and determines whether the intelligent contract execution is valid; if the intelligent contract execution is confirmed to be valid, go to step 119; otherwise, sending an error report to the block chain participation node;
step 119, after the endorsement node collects enough endorsements, the endorsement node sends the results to the accounting node, and the accounting node agrees to generate a new block;
and step 120, the block chain participating nodes acquire updating data through the P2P consensus network, and update respective local account book records.
And secondly, tracing the accident handling process.
Referring to fig. 4, the tracing back of the incident handling process includes the following steps:
step 201, the end user submits an accident process tracing request, wherein the accident process tracing request comprises basic information of a vehicle accident;
step 202, requesting relevant accident handling parties to provide original data including accident site collected data, responsibility confirmation reports, vehicle maintenance records and insurance claim settlement process data according to accident basic information;
step 203, inquiring the block chain according to the accident basic information, acquiring a digital certificate of a data provider, and verifying the legality of the digital certificate;
step 204, verifying the digital signature of the data in the block chain by using the digital certificate of the data provider, and determining the validity of the data;
step 205, comparing the calculated abstract value of the original data with the data in the block chain to determine the validity of the data;
step 206, if all the verifications from step 202 to step 205 pass, the end user obtains the original data, and can further perform responsibility confirmation; otherwise, the data has been tampered or lost, and the relevant platform responsibilities can be followed.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (7)
1. An accurate accident handling method of a block chain-based networked automobile is characterized in that the implementation process is as follows,
firstly, connecting all the participating nodes related to accident handling through a block chain technology, establishing a alliance chain based on a P2P consensus network, and recording the life cycle of the accident handling in the block chain;
and secondly, acquiring and uploading field data through an intelligent terminal of the vehicle accident field, and completing accident handling by each accident handling related participating node.
2. The block chain-based networking automobile accurate accident handling method according to claim 1, wherein in the first step, the participating nodes comprise a networking cloud platform, an insurance company platform, a roadside node V2I platform, a public security accident handling platform, a maintenance factory and a third party digital authentication center, the platforms correspond to a vehicle terminal, an insurance company, a V2I supervision department and a public security department, and the participating nodes are responsible for acquiring accident-related data, issuing an intelligent contract and participating in building a block chain together; each participating node maintains an account book together, and the execution result of an intelligent contract is recorded in the account book, wherein the intelligent contract comprises a vehicle accident alarm intelligent contract, an accident field vehicle machine end data intelligent contract, an accident field V2I platform data intelligent contract, an accident field insurance company data intelligent contract, an accident field public security data intelligent contract, an accident analysis processing intelligent contract, a vehicle maintenance process data intelligent contract and an insurance claim settlement data intelligent contract; and the third-party digital certificate authentication center issues digital certificates for all the participating nodes.
3. The block chain-based networking automobile accurate accident handling method according to claim 2, wherein the vehicle networking cloud platform is responsible for managing vehicles, reporting vehicle end acquisition information to a alliance chain, and providing an instruction issuing and terminal upgrading channel at the same time, the vehicle end acquires driving information of the vehicles including speed, position, brake use, accelerator use and vehicle conditions through a CAN bus, and issues an accident site vehicle end data intelligent contract; the insurance company platform is responsible for related services of vehicle accident insurance and issues accident site insurance company data intelligent contracts and insurance claim settlement data intelligent contracts; the roadside V2I platform is responsible for managing infrastructure on two sides of a road and communicating with vehicles, comprises signal lamps, roadside cameras and a roadside computing unit, realizes connection and information exchange between the infrastructure and the vehicles, and issues an accident site V2I platform data intelligent contract; the police accident handling platform is responsible for traffic police law enforcement related matters, issues vehicle accident alarm intelligent contracts, accident site police data intelligent contracts and accident analysis handling intelligent contracts, realizes site data acquisition and information verification, collects the site data together for analysis, and finally issues responsibility confirmation reports; the maintenance factory is responsible for vehicle maintenance, generates maintenance records and issues vehicle maintenance process data intelligent contracts; the third-party digital certificate authentication center is responsible for issuing digital certificates for the participating nodes, realizing the safe communication and identity authentication between the nodes, issuing digital certificates for the participating terminals and ensuring the credibility of the data.
4. The block chain-based networking automobile accurate accident handling method according to claim 2 or 3, characterized by further comprising an admission node, an endorsement node and a bookkeeping node in the participating nodes, wherein the admission node is a public security accident handling platform node and is responsible for admission of the participating nodes; the endorsement node is selected from the nodes of the block chain P2P consensus network and is responsible for executing and confirming the intelligent contract; the accounting nodes reach consensus, new blocks are generated and broadcast to the whole P2P consensus network, and each participating node completes confirmation and updates the local account book.
5. The method for accurately processing the accidents of the networked automobiles based on the block chains as claimed in claim 4, wherein the process of building the alliance chain in the step one is as follows:
firstly, deploying block chain nodes on a service platform corresponding to a car factory, an insurance company, a maintenance factory, a V2I supervision department and a public security department mechanism to form a P2P consensus network, and completing the construction of an initial block chain infrastructure;
the block chain participation node appoints an endorsement node and an accounting node according to a block chain consensus strategy;
and configuring an access node, determining whether to allow the addition of a new node, and issuing a digital certificate through a third-party digital certificate authentication center after the identity is confirmed, thereby completing the establishment of the alliance chain.
6. The method for accurately handling the accidents of the block chain-based networked automobiles according to claim 1, wherein the accident handling process in the second step is as follows:
the public security accident processing platform receives the vehicle accident alarm, issues an intelligent contract of the vehicle accident alarm, generates an identifier and basic data of the accident, generates an asymmetric key pair KP as a temporary encryption key for collecting the data, wherein the KP refers to a public key PubKey and a private key PrIKEY, and collects the data to the public security accident processing platform;
the vehicle-connected cloud platform receives sensing data from a vehicle end, wherein the sensing data comprises vehicle speed, position, brake use, accelerator use, vehicle condition and driving image information, and stores the data to the vehicle-connected cloud platform;
the vehicle-connected cloud platform acquires related vehicle information according to a notice generated by executing an intelligent vehicle accident alarm contract, encapsulates collected accident original data into a digital envelope by using a PubKey, sends the digital envelope to a public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an intelligent vehicle end data contract of an accident site, and writes the intelligent vehicle end data contract into a block chain;
the roadside V2I platform receives the sensing data from the roadside end, performs event-driven classification compression through an artificial intelligence technology, wherein the data comprises roadside camera shooting data, signal lamp conditions and sensing data from vehicles, and stores the data to the roadside V2I platform;
the roadside V2I platform acquires event information including accident-related time and places according to a notice generated by executing the vehicle accident alarm intelligent contract, encapsulates corresponding original data into a digital envelope by using a PubKey, sends the digital envelope to the public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an accident site V2I platform data intelligent contract, and writes the intelligent contract into a block chain;
the insurance company platform collects field data from the accident field and collected by workers or users of the accident field, and stores the data to the insurance company platform;
the insurance company platform acquires related vehicle information according to a notice generated by executing the intelligent contract for vehicle accident alarm, encapsulates the collected accident original data into a digital envelope by using a PubKey, sends the digital envelope to the public security accident processing platform, calculates an abstract value of the original data, performs digital signature by using a node private key, issues an intelligent contract for the insurance company data on an accident site, and writes the intelligent contract into a block chain;
the public security accident handling platform collects field data from an accident field and collected by law enforcement personnel, stores the data to the public security accident handling platform, calculates a summary value through original data, issues an intelligent contract of the public security data of the accident field after digital signature is carried out by using a node private key, and writes the intelligent contract into a block chain;
the public security accident processing platform collects accident field data from other related platforms, decrypts the accident field data by using a temporary encryption private key PriKey to obtain original data, and inquires a block chain to verify the legality of the original data;
after acquiring all accident data, the public security accident processing platform automatically collects the field data for comprehensive analysis, issues an accident analysis processing intelligent contract, finally issues a responsibility confirmation report, sends the responsibility confirmation report to each participant, calculates a summary value of the confirmation report result, uses a node private key for digital signature, and stores the node private key in a block chain;
a maintenance factory records the vehicle maintenance process, generates a maintenance record, issues a vehicle maintenance process data intelligent contract, calculates a summary value of the maintenance record, uses a node private key to carry out digital signature, and stores the summary value into a block chain;
the insurance company platform records the data of the vehicle accident claim settlement process, issues an intelligent contract of the vehicle maintenance process data, calculates a summary value of the maintenance record, uses a node private key to carry out digital signature, and stores the summary value into a block chain;
the intelligent contract generated in the above steps is broadcasted to the P2P consensus network through the participating node, and the response of the endorsement node is waited;
the endorsement node automatically starts to execute the intelligent contract: the endorsement node determines whether the intelligent contract execution is correctly endorsed through an endorsement strategy and determines whether the intelligent contract execution is effective; if the intelligent contract is confirmed to be executed effectively, turning to the next step; otherwise, sending an error report to the block chain participation node;
after the endorsement node collects enough endorsements, the endorsement node sends results to the accounting node, and the accounting node achieves consensus to generate a new block;
and the block chain participating nodes acquire updated data through the P2P consensus network and update respective local account book records.
7. The block chain-based accurate accident handling method for the networked automobile according to claim 4, further comprising the following steps of:
a user submits an accident process tracing request which comprises basic information of a vehicle accident;
requesting relevant accident processing parties to provide original data including accident site acquisition data, responsibility confirmation reports, vehicle maintenance records and insurance claim settlement process data according to the accident basic information;
inquiring a block chain according to the accident basic information, acquiring a digital certificate of a data provider, and verifying the legality of the digital certificate;
verifying the digital signature of the data in the block chain through a digital certificate of a data provider, and determining the legality of the data;
comparing the calculated abstract value of the original data with the data in the block chain to determine the legality of the data;
when all verification passes, the user obtains the original data, and further performs responsibility confirmation; otherwise, the data has been tampered with or lost.
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