CN109034414A - A kind of automobile management system based on block chain technology - Google Patents

Abstract

The invention discloses a kind of automobile management systems based on block chain technology, comprising: authentication module, for verifying user identity, according to user identification confirmation user right, so that user accesses system according to user right；For carrying out vehicle transaction based on block chain technology, and vehicle transaction information is written in transaction modules within a block；Vehicle transaction information includes: new car Transaction Information, Second-hand Vehicle Transaction information and/or maintenance Transaction Information；Module is recalled, for issuing recall notice to target car owner, and recall notice issue record information is written within a block and recalls implementation information；Enquiry module, for carrying out information inquiry according to the inquiry instruction received.In this way, solving the problems, such as the information island of automobile information existing in the prior art, and then solve the problems, such as that dispute occurs for the automobile of existing defects and can not fix duty.Also, realize the decentralization management of vehicle transaction, transaction disclosure stores, the function that information security can not reliably distort.

Description

A vehicle management system based on blockchain technology

technical field

The present invention relates to the field of information management, in particular to a vehicle management system based on blockchain technology.

Background technique

A car will experience transactions, repairs or recalls during its life cycle, which will generate a lot of information, such as car production information, auto parts information, new car sales information, used car transaction information, maintenance information, recall information However, these information are stored in different enterprises or industry management departments. It is difficult to achieve interconnection, intercommunication, and unified management of automobile industry data from multiple sources, so that it is impossible to tap the maximum value of automobile information.

Contents of the invention

In view of this, the embodiment of the present invention discloses a vehicle management system based on blockchain technology, which solves the problem of data islanding of vehicle information in the prior art.

The invention discloses a vehicle management system based on block chain technology, including:

Authentication module, transaction module, recall module and query module;

An authentication module, configured to verify user identity, and confirm user authority according to user identity, so that the user can access the system according to the user authority;

The transaction module is used to conduct automobile transactions based on blockchain technology, and write automobile transaction information in the block; the automobile transaction information includes: new car transaction information, second-hand car transaction information and/or maintenance transaction information;

The recall module is used to issue a recall notice to the target vehicle owner, and write the recall notice release record information and recall implementation information in the block;

The inquiry module is used for information inquiry according to the received inquiry instruction.

Optionally, the authentication module includes:

An identity verification unit, configured to verify the legitimacy of the user's identity according to the received user's identity information;

The user type determination unit is used to determine the user type when the user identity is legal; the user type includes: car producers, car dealers, consumers and/or car owners;

The authority determining unit is configured to determine the user authority according to the user type, so that the user accesses the system according to the user authority.

Optionally, the transaction module includes:

Production unit, new car trading unit, used car trading unit, maintenance unit;

The production unit is used to generate the genesis block and write the basic information of the car into the genesis block;

The new car transaction unit is used to conduct new car transactions between the dealer node and the car owner node based on blockchain technology, generate a new car transaction block, and write the new car transaction information between the dealer node and the car owner node into the new car transaction area piece;

The second-hand car transaction unit is used to conduct second-hand car transactions between the seller's car owner node and the buyer's car owner node based on blockchain technology, generate a used car transaction block, and write the used car transaction information between the seller's car owner node and the buyer's car owner node Enter the second-hand car transaction block;

The maintenance unit is used to generate a maintenance block and write vehicle maintenance information in the maintenance block.

Optional, recall modules, including:

Recall notification unit and recall implementation unit;

A recall notification unit, configured to issue a recall notification to the target car owner, generate a recall notification block, and write the release record information of the recall notification in the recall notification block;

The recall implementation unit is configured to generate a recall implementation block, and write recall implementation information in the recall implementation block.

Optionally, also include:

The data analysis module is used to collect statistics on vehicle data based on preset vehicle identification information, and analyze preset indicators based on the vehicle data.

Optionally, the data analysis module includes:

The first data analysis unit is used for counting the transaction information of the vehicle according to the preset first vehicle identification information, and analyzing the usage status of the vehicle according to the transaction information of the vehicle; the transaction information includes: new car transaction information, used car transaction information and maintenance information;

The second data analysis unit is configured to collect vehicle fault information and maintenance information according to the preset second vehicle identification information, and analyze vehicle safety risk levels according to the fault information and maintenance information.

Optionally, the payment module is used for:

Associate the payment account of the target user node, and use smart contract technology to perform payment operations.

Optionally, also include:

The expansion module is used to receive version update information, and perform version update on the system according to the version update information.

Optionally, also include:

The data interface is used to connect with external systems for data transmission and realize data exchange and sharing.

Optionally, the query module includes:

The recall information query unit is used for querying the recall status of the target vehicle and the recall status of the target batch of vehicles.

The embodiment of the present invention discloses an automobile management system based on block chain technology, including: an authentication module, a transaction module, a recall module and a query module; Access to the system according to user permissions; transaction module, used to conduct automobile transactions based on blockchain technology, and write automobile transaction information in the block; automobile transaction information includes: new car transaction information, used car transaction information and/or maintenance transaction information ; The recall module is used to issue a recall notice to the target car owner, and writes the recall notice release record information and recall implementation information in the block; the query module is used to perform information query according to the received query instruction. In this way, the problem of information islanding of automobile information existing in the prior art is solved, and furthermore, the problem of inability to determine responsibility for disputes caused by defective automobiles is solved. In addition, it has realized the functions of decentralized management of automobile transactions, public storage of transactions, and safe and reliable information that cannot be tampered with.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 shows a schematic structural diagram of a vehicle management system based on block chain technology provided by an embodiment of the present invention;

Fig. 2 shows a schematic structural diagram of an authentication module provided by an embodiment of the present invention;

Fig. 3 shows a schematic diagram of a transaction module provided by an embodiment of the present invention;

Fig. 4 shows a schematic diagram of a recall module provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Fig. 1, it shows a schematic structural diagram of a block chain technology-based automobile comprehensive management system provided by an embodiment of the present invention. In this embodiment, the system includes:

Authentication module 100, transaction module 200, recall module 300, inquiry module 400;

The authentication module 100 is used to verify the identity of the user, and confirm the user authority according to the user identity, so that the user can access the system according to the user authority;

The transaction module 200 is used to conduct automobile transactions based on blockchain technology, and write automobile transaction information in the block; the automobile transaction information includes: new car transaction information, second-hand car transaction information and/or maintenance transaction information;

A recall module 300, configured to issue a recall notice to the target vehicle owner, and write recall notice release record information and recall implementation information in the block;

The query module 400 is configured to perform information query according to the received query instruction. Wherein, the authentication module 100 specifically includes:

An identity verification unit 101, configured to verify the legitimacy of the user's identity according to the received user's identity information;

A user type determining unit 102, configured to determine the user type when the user identity is legal; the user type includes: car producers, car dealers, consumers and/or car owners;

The authority determining unit 103 is configured to determine the user authority according to the user type, so that the user accesses the system according to the user authority.

The vehicle management system provided in this embodiment provides different services for different types of users, such as services such as information entry, transaction initiation, and information release. Through the authentication module, the authority of the user is managed, so that the user can perform operations within the authority according to the authority of the user.

For example: when a user needs to access the management system, enter the account password representing the identity information to log in to the system, and after successful login, determine whether the user is the manufacturer, dealer, car owner or maintenance party, etc.

It should be noted that since this embodiment manages the transaction, recall and other processes of automobiles based on blockchain technology, each user involved is a node on the blockchain.

Specifically, the transaction module 200 includes:

Production unit 201, new car transaction unit 202, used car transaction unit 203, maintenance unit 204;

The production unit 201 is used to generate a genesis block, and write the basic information of the car into the genesis block;

Among them, the basic information of the car includes: the name of the car manufacturer, brand series, model, production date, assembly plant information, vehicle identification code, engine number, etc.

In this embodiment, after the basic information of the qualified car is written into the genesis block, a time stamp is added to the block.

For example: After the car is tested and passed, the car producer node sends a trigger signal, and the production unit creates a genesis block, and writes the basic information of the car that passed the test into the genesis block.

The new car transaction unit 201 is used to perform new car transactions between the dealer node and the car owner node based on block chain technology, generate a new car transaction block, and write the new car transaction information between the dealer node and the car owner node into the new car transaction block;

Among them, the new car transaction information includes: basic vehicle information, dealer information, car owner information, car purchase agreement, etc.

Among them, the car purchase agreement includes the attribution agreement of the ownership of the vehicle, which means that the ownership of the vehicle belongs to the owner of the vehicle. Among them, the new car transaction process specifically includes:

When the vehicle is sold for the first time, the dealer node initiates a new car transaction trigger command and calculates the first hash value of the new car transaction information;

Encrypting the first hash value of the new car transaction information and the new car transaction information through the private key of the dealer node to generate a digital signature;

Send the digital signature, new car transaction information and the hash value of the new car transaction information to the owner node;

The car owner node decrypts the digital signature through the public key of the dealer node to obtain the new car transaction information and the second hash value;

The car owner node calculates the second hash value of the new car transaction information;

judging whether the first hash value is consistent with the second hash value;

If the first hash value is consistent with the second hash value, it means that the digital signature is valid, a new car transaction block is generated, and the new car transaction information is written into the new car transaction block; if they are inconsistent, it means that the digital signature is invalid and a new car cannot be generated transaction block. When any node in the system finds the hash value of the new car transaction block, it sends the new car transaction information to other nodes for verification; for example, it can find the hash value of the new car transaction block with two characters starting with 0 The nonce value of the string. When the system reaches a consensus on the success of the transaction verification, the new car transaction block is stamped with a time stamp, and broadcast to the system to add the new car transaction block to the block chain.

Among them, the node that first finds the hash value of the new car transaction block can obtain the car coins issued by the system.

In this embodiment, other nodes participating in the new car transaction verification can be any dealer node, car owner node or maintenance party node in the system.

In this embodiment, the new car transaction unit realizes the vehicle transaction between the dealer and the car owner. When the transaction is successful, the new car transaction information is recorded in the new car transaction block. The information recorded in the new car transaction block can indicate the vehicle's The transaction process and the ownership of the vehicle. It can be seen that through the new car transaction unit, car owners do not need to register with relevant departments after purchasing a vehicle.

The second-hand car transaction unit 203 is used to conduct a second-hand car transaction between the seller's car owner node and the buyer's car owner node based on blockchain technology, generate a used car transaction block, and transfer the used car transaction information between the seller's car owner node and the buyer's car owner node Write the second-hand car transaction block;

Wherein, the second-hand car transaction information may include: the owner's name, ID number, home address, contact information, car purchase agreement, etc. of the car owner.

Among them, the car purchase agreement includes the vehicle ownership transfer agreement.

In this embodiment, the second-hand car transaction process is specific, including:

The car owner node initiates a second-hand car transaction trigger command, and the car owner node calculates the third hash value of the second-hand car transaction information;

Encrypt the third hash value of the new car transaction information and the second-hand car transaction information through the private key of the seller's car owner node to generate a digital signature, and send the digital signature to the buyer's car owner node;

The buyer's car owner node calculates the fourth hash value of the new car transaction information, and decrypts the digital signature through the public key of the seller's car owner node to obtain the third hash value and the second-hand car transaction information;

The buyer car owner calculates the fourth hash value of the second-hand car transaction information;

judging whether the fourth hash value is consistent with the third hash value;

If the fourth hash value is consistent with the third hash value, it means that the signature is valid, the second-hand car transaction is successfully opened, a second-hand transaction block is generated, and the second-hand transaction information is written into the second-hand car transaction block; if they are inconsistent, the digital signature is invalid , the second-hand car transaction block cannot be generated.

When any node in the system finds the hash value of the used car transaction block, it sends the used car transaction information to other nodes for verification;

When the system reaches a consensus on the successful verification of the transaction, it stamps the used car transaction block with a time stamp, and broadcasts to the system to add the used car transaction block to the block chain. Among them, the node that first finds the hash value of the second-hand car transaction block can obtain the car coins issued by the system.

Among them, other nodes participating in the second-hand car transaction verification can be any dealer node, car owner node or maintenance node in the system.

In this embodiment, the vehicle transaction and vehicle ownership transfer can be realized through the second-hand vehicle transaction unit, and the buyer and the seller do not need to go to the relevant department to perform the vehicle ownership transfer operation.

Specifically, the maintenance unit 204 is configured to generate a maintenance block, and write vehicle maintenance information in the maintenance block.

Among them, the maintenance transaction information includes: the name of the maintenance party, the social unified credit code, the vehicle mileage, the name of the faulty component or assembly, the failure mode, the maintenance method, the maintenance working hours, and the maintenance settlement list, etc.

Specifically, the writing process of maintenance information includes:

When the car breaks down and the maintenance party performs maintenance, the maintenance party node initiates a maintenance transaction trigger command and calculates the fifth hash value of the maintenance transaction information;

Wherein, the car maintenance party may include: a maintenance department of a car dealer or other repair shops.

Encrypt the fifth hash value and the maintenance transaction information through the private key of the maintenance party node to generate a digital signature, and send the digital signature to the vehicle owner node;

The owner node decrypts the digital signature according to the public key of the maintenance party node, and obtains the fifth hash value and maintenance transaction information;

The owner node calculates the sixth hash value of the maintenance transaction information;

judging whether the fifth hash value is consistent with the sixth hash value;

If they are consistent, it means that the digital signature is valid, the maintenance transaction is opened successfully, a maintenance transaction block is generated, and the maintenance transaction information is written into the maintenance transaction block;

When any node in the system finds the hash value of the maintenance transaction block, it sends the used car transaction information to other nodes for verification;

After the system reaches a consensus on successful transaction verification, it stamps the maintenance transaction block with a time stamp, broadcasts to the system, and adds the maintenance transaction block to the blockchain.

Among them, the node that first finds the hash value of the maintenance transaction block can obtain the car coins issued by the system.

Among them, other nodes participating in the maintenance transaction verification can be any dealer node, car owner node or maintenance node in the system.

Specifically, the recall module 300 includes:

A recall notification unit 301 and a recall implementation unit 302;

A recall notification unit 301, configured to issue a recall notification to the target car owner, generate a recall notification block, and write the release record information of the recall notification block in the recall notification block;

Wherein, the release record information of the recall notice may include: the recall notice and the information of the vehicle owner who has successfully received the recall notice. The recall notice includes: recall number, vehicle identification code, name of the automobile manufacturer, brand series, model, failure mode, possible consequences, recall maintenance measures, emergency treatment methods, name, address and contact information of the recommended automobile dealer.

Specifically, the release process of the recall notice includes:

The car producer node calculates the fifth hash value of the recall notification;

Encrypt the fifth hash value of the recall notice and the recall notice through the private key of the producer node to generate a digital signature;

Broadcast the digital signature, the hash value of the recall notice and the recall notice to other nodes in the system;

Any dealer node and car owner node in the system uses the public key of the producer to verify the digital signature;

If the verification is passed, the dealer node and the owner node calculate the sixth hash value of the recall notification;

judging whether the fifth hash value is consistent with the sixth hash value;

If the fifth hash value is consistent with the sixth hash value, it means that the recall notice is valid, and a recall notice block is generated, and the release record information of the recall notice is written in the recall notice block;

When any node in the system finds the hash value of the recall notification block, it sends the release record information of the recall notification to other nodes for verification;

After the system reaches a consensus on the successful verification of the recall notification, it stamps the recall notification block with a time stamp, broadcasts to the system, and adds the recall notification block to the blockchain.

Among them, the node that first finds the hash value of the recall notification block can obtain the car coins issued by the system.

Among them, other nodes participating in recall notification verification can be any dealer node, car owner node or maintenance node in the system.

A recall implementation unit 302, configured to generate a recall implementation block, and write recall implementation information into the recall implementation block;

The recall implementation information includes: recall number, vehicle identification code, name of car dealer, maintenance method, recall record sheet, etc.

Specifically, the recall implementation process includes:

The dealer node initiates the recall implementation trigger instruction and calculates the seventh hash value of the recall implementation information;

Encrypt the seventh hash value and the recall implementation information through the private key of the dealer node to generate a digital signature;

Send the digital signature, recall implementation information and the seventh hash value to the recalled vehicle owner node;

The recalled car owner node uses the public key of the producer to verify the digital signature;

If the verification is passed, the recalled vehicle owner node calculates the eighth hash value of the recall notification;

judging whether the eighth hash value is consistent with the seventh hash value;

If the eighth hash value is consistent with the seventh hash value, it means that the signature is valid, the recall implementation is successful, a recall implementation block is generated, and recall implementation information is written in the recall implementation block;

When any node in the system finds the hash value of the recall implementation block, it sends the recall implementation information to other nodes for verification;

After the system reaches a consensus on the successful verification of the recall implementation, it stamps the recall implementation block with a time stamp, broadcasts to the system, and adds the recall implementation block to the blockchain.

Among them, the node that first finds the hash value of the recall implementation block can obtain the car coins issued by the system.

In this embodiment, other nodes participating in recall implementation voting may be any dealer node, car owner node or maintenance node in the system.

In this embodiment, the release information of the recall notice and the result of the recall implementation can be recorded through the recall module, so that statistics can be made on the recall result according to the recall result, and the user can also inquire about the recalled vehicle and the implementation situation.

Among them, in order to provide a data basis for the residual value of the vehicle and safety risk analysis, statistical analysis of the saved vehicle data can also be performed, specifically, it also includes:

The data analysis module is used to collect statistics on vehicle data based on preset vehicle identification information, and analyze preset indicators based on the vehicle data.

Specifically, the data analysis module includes:

The first data analysis unit is used for counting the transaction information of the vehicle according to the preset first vehicle identification information, and analyzing the usage status of the vehicle according to the transaction information of the vehicle; the transaction information includes: new car transaction information, used car transaction information and maintenance information;

Among them, the vehicle usage status can be expressed by some indicators, including: vehicle usage time, mileage and maintenance status.

Wherein, the first vehicle identification information may be a vehicle identification code.

The second data analysis unit is configured to collect vehicle fault information and maintenance information according to the preset second vehicle identification information, and analyze vehicle safety risk levels according to the fault information and maintenance information.

Wherein, the second vehicle identification information includes: automobile manufacturer, brand series, and model; vehicle failure information includes: failure types of automobile assembly or parts, etc.

Specifically, the query module 400 can query the information recorded in the system, for example, query the recall status of the vehicle, query the maintenance status of the vehicle, query the fault status of the vehicle, query the transaction status of the vehicle, etc. .

For example: when there is a dispute caused by a defective car, the system can be used to inquire about the vehicle status of the defective car and the recall of the vehicle, avoiding the problem of being unable to determine the rules due to the lack of certificates to check.

Among them, inquiries about the recall situation may include:

According to the vehicle identification code, check whether the target vehicle is defective and whether it has been recalled;

According to the car recall number, query the actual recall completion rate of a certain batch of cars and the regional distribution of recalled vehicles.

Among them, the relevant transactions executed through the system can also be paid through the system if the transaction is successful. Specifically, it also includes:

The payment module is used to associate the payment account of the target user node, and use smart contract technology to perform payment operations.

For example: in the case of a new car transaction or a used car transaction, after the transaction is concluded, online payment can be performed through the system to complete the transaction.

In order to ensure the stability of the system operation, the system can be updated from time to time. Specifically, the system also includes:

The expansion module is used to receive version update information, and perform version update on the system according to the version update information.

In addition, it may also include a data interface for data exchange with the outside world, so as to realize data exchange and sharing.

The invention discloses an automobile management system based on block chain technology, including: an authentication module, a transaction module, a recall module and a query module; Authority access system; transaction module, used to conduct automobile transactions based on blockchain technology, and write automobile transaction information in blocks; automobile transaction information includes: new car transaction information, used car transaction information and/or maintenance transaction information; recall The module is used to issue the recall notice to the target car owner, and writes the release record information of the recall notice and the recall implementation information in the block; the query module is used to query the information according to the received query instruction. In this way, the problem of information islanding of automobile information existing in the prior art is solved, and furthermore, the problem of inability to determine responsibility for disputes caused by defective automobiles is solved. In addition, it has realized the functions of decentralized management of automobile transactions, public storage of transactions, and safe and reliable information that cannot be tampered with.

It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a kind of automobile management system based on block chain technology characterized by comprising

Authentication module, transaction modules recall module and enquiry module；

Authentication module, for verifying user identity, according to user identification confirmation user right, so that the user is according to the use Family permission accesses the system；

For carrying out vehicle transaction based on block chain technology, and vehicle transaction information is written in transaction modules within a block；The vapour Vehicle Transaction Information includes: new car Transaction Information, Second-hand Vehicle Transaction information and/or maintenance Transaction Information；

Recall module, for target car owner issue recall notice, and within a block write-in recall notice issue record information and Recall implementation information；

Enquiry module, for carrying out information inquiry according to the inquiry instruction received.

2. system according to claim 1, which is characterized in that the authentication module, comprising:

Identity authenticating unit verifies the legitimacy of user identity for the identity information according to the user received；

User type determination unit, for determining user type in the case where user identity is legal；The user type packet It includes: vehicle manufacturers, car dealer, consumer and/or car owner；

Permission determination unit, for determining user right according to user type, so that user accesses institute according to the user right State system.

3. system according to claim 1, which is characterized in that the transaction modules, comprising:

Production unit, new car transaction unit, Second-hand Vehicle Transaction unit, maintenance unit；

The wound generation block is written for generating wound generation block, and by the essential information of automobile in production unit；

New car transaction unit, it is raw for carrying out the new car transaction between dealer's node and car owner's node based on block chain technology At new car transaction block, the new car transaction block is written into the new car Transaction Information between dealer's node and car owner's node；

Second-hand Vehicle Transaction unit, it is second-hand between seller car owner node and buyer's car owner's node for being carried out based on block chain technology Vehicle transaction, generates Second-hand Vehicle Transaction block, the Second-hand Vehicle Transaction information between seller car owner node and buyer's car owner's node is write Enter the Second-hand Vehicle Transaction block；

For generating maintenance block, and auto repair information is written in maintenance unit in the maintenance block.

4. system according to claim 1, which is characterized in that recall module, comprising:

Recall notice unit and recall implementation unit；

Recall notice unit generates recall notice block, and in the recall notice for issuing recall notice to target car owner The issue record information of recall notice is written in block；

Implementation unit is recalled, recalls implementation block for generating, and implements write-in in block in described recall and recalls implementation information.

5. system according to claim 1, which is characterized in that further include:

Data analysis module is used for according to preset vehicle identification information, calculating vehicle data, and according to the vehicle data pair Pre-set level is analyzed.

6. system according to claim 5, which is characterized in that the data analysis module, comprising:

First data analysis unit, for the Transaction Information all according to preset first vehicle identification information calculating vehicle, and The Transaction Informations all according to vehicle analyze vehicle behaviour in service；The Transaction Information includes: new car Transaction Information, two Handcart Transaction Information and repair message；

Second data analysis unit, for according to preset second vehicle identification information calculating vehicle fault message and maintenance letter Breath, and vehicle safety risk class is analyzed according to the fault message and repair message.

7. system according to claim 1, which is characterized in that the payment module is used for:

The payment accounts of associated objects user node execute delivery operation using intelligent contract technology.

8. system according to claim 1, which is characterized in that further include:

Expansion module carries out version more to the system for receiving version updating information, and according to the version updating information Newly.

9. system according to claim 1, which is characterized in that further include:

Data-interface carries out data transmission for docking with external system, realizes the exchange of data and shares.

10. system according to claim 1, which is characterized in that the enquiry module, comprising:

Call back message query unit, the vehicle for recalling situation and object lot for inquiring target vehicle recall situation.