CN113190617A - Concealed engineering quality acceptance method and system based on block chain - Google Patents
Concealed engineering quality acceptance method and system based on block chain Download PDFInfo
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Abstract
The invention discloses a block chain-based covert engineering quality acceptance method and system, wherein a construction party client, a supervision party client and a construction party client interact under the action of a block chain, signature verification is carried out under a traceable acceptance flow, and data unqualified for regulatory review or supervision of the supervision party client is stored and retained, so that a basis of three-party consensus is provided for quality problem traceability, rework dispute of repair and the like, and the reliability of electronic archiving is higher; according to the invention, the benefit-related party in the hidden project participates in the hidden project quality acceptance process through the block chain, so that the hidden project acceptance process is safer; in addition, the quality information form is examined by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering, so that monitoring and certificate recording of the covert engineering which is difficult to be inspected for the second time are formed, and an artificial side station without third-party recording is converted into an electronic side station, so that the examination is more transparent.
Description
Technical Field
The invention belongs to the field of construction engineering project management, and particularly relates to a block chain-based concealed engineering quality acceptance method and system.
Background
The hidden project is the previous project covered, wrapped and shielded by the subsequent process or project. If foundation engineering in the building construction engineering, the steel bar engineering in the concrete engineering, underground waterproof engineering, roofing waterproof engineering and other engineering all must pass through the inspection and acceptance, accord with the regulation and can conceal, avoid causing the quality hidden danger, influence structure safety and service function.
In the current concealed project acceptance, three parties (a constructor, a supervisor and a constructor) are independent from each other, and the quality is jointly accepted only by project branch management personnel, the supervisor, constructors of construction units, construction teams and the like through a paper quality acceptance form. This presents several problems:
1. the safety of the quality acceptance form is poor, the paper form has the risk of being tampered, and the handwritten signature has the problem of timeliness.
2. In the traditional mode, a persistent consensus mechanism is lacked, and trust problems and disputes can be generated when benefit-related parties maximize benefits.
3. The quality acceptance forms are numerous and lack of relevance, so that the follow-up tracing of quality problems is influenced, and personnel can pursue responsibility.
4. The quality acceptance form is manually filled by a supervisor, whether the quality meets the standard or not is manually judged by the supervisor to a certain extent, the human factor is large, and the automation degree is low.
5. Hidden engineering has the unique difficult problems that construction in the former stage can be covered by construction in the later stage, and the quality is difficult to verify again in the later stage after quality problems occur.
The problems can seriously affect the quality acceptance process of the covert engineering and the mutual trust of the participants, the quality problems in the later period are difficult to trace and check, and trust problems and disputes are easy to generate, so that the quality management of the covert engineering generates crisis.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides a block chain-based covert project quality acceptance method and a block chain-based covert project quality acceptance system, and aims to solve the technical problems that in the prior art, due to the fact that quality acceptance is carried out through a paper quality acceptance form, archiving reliability is poor, traceability of quality problems in the later period is poor, trust among participants is low, and disputes are prone to occurring.
In a first aspect, the invention provides a block chain-based covert engineering quality acceptance method, which comprises the following steps:
s1, the client of the construction side initiates a quality acceptance request of the hidden project to the block chain after self-checking the quality information form of the hidden project;
s2, after receiving a quality acceptance request initiated by the construction side client, the block link is forwarded to the supervisor client, and after being confirmed by the supervisor client, the construction side client digitally signs the quality information form and uploads the quality information form to the block link;
s3, calling the intelligent contract by the blockchain and carrying out compliance examination on the quality information form uploaded by the client of the construction party by combining the information recorded by the internet of things equipment; if not, broadcasting the quality information form at each node, and sending a notice of reworking or repairing the hidden project to the client of the construction party; after receiving the quality information forms broadcasted by the block chain, the proctoring party client and the construction party client respectively carry out digital signature on the quality information forms, and upload the quality information forms to the block chain, and the operation is finished; otherwise, go to step S4;
s4, the block chain sends the quality information form to the supervisor client; after receiving the quality information form, the supervisor client examines the quality information form by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering and gives an examination suggestion; if the inspection opinions are qualified, the quality information form is digitally signed and then uploaded to a block chain; the block chain sends the quality information form signed by the proctor client to the builder client, the builder client confirms and signs the quality information form after receiving the quality information form, and uploads the quality information form to the block chain again, and the operation is finished; otherwise, uploading the quality information form and the examination opinions to a block chain; and after receiving the quality information form and the examination opinions, the block link broadcasts at each node and sends a notice for reworking or repairing the concealed project according to the examination opinions to the client of the construction party.
Further preferably, the block chain-based concealed project quality acceptance method is used for verifying concealed projects of each stage, and after construction of concealed projects of one stage is completed, construction of the next stage is performed after acceptance of the block chain-based concealed project quality acceptance method is adopted; and after the construction of the concealed project at each stage is completed, carrying out the last compliance examination on the block chain, verifying the integrity of all quality information forms, broadcasting to all nodes of the block chain if no problem exists, and issuing a concealed project quality certificate by the client of the supervisor so as to complete the concealed project quality acceptance.
Further preferably, the method for performing compliance review on the quality information form comprises: for each construction quality parameter in the quality information form, combining the information recorded by the internet-of-things equipment, and respectively judging whether the construction quality parameter is within the standard range required by regulations, contracts and regulations related to the construction quality; if all the construction quality parameters in the quality information form meet the requirements of regulations, contracts and regulations related to the construction quality, the construction quality is in compliance; otherwise, no compliance is established.
Further preferably, after the constructor client, the supervisor client and the constructor client of the same project create respective nodes in the blockchain, the respective nodes are added into the same channel of the blockchain.
Further preferably, the quality information of the covert engineering collected by the internet of things is stored in a block chain in a form of hash certificate storage.
Further preferably, the quality information form is stored in the block chain by taking a 12-bit form id as an index, so that the tracing is convenient; wherein, the 1 st to 3 rd bits of the form id correspond to the unit project number of the concealed project, the 4 th to 6 th bits of the form id correspond to the branch project number of the concealed project, the 7 th to 9 th bits of the form id correspond to the branch project number of the concealed project, and the 10 th to 12 th bits of the form id correspond to the inspection batch of the concealed project.
In a second aspect, the present invention provides a block chain-based covert engineering quality acceptance system, including: the system comprises a block chain, a construction party client, a supervision party client, a construction party client and Internet of things equipment;
the construction side client, the supervision side client, the construction side client and the Internet of things equipment are all connected into a block chain;
the construction side client initiates a concealed project quality acceptance request to the block chain after self-checking the concealed project quality information form; after receiving a quality acceptance request initiated by the construction party client, the block link is forwarded to the supervisor client, and after being confirmed by the supervisor client, the construction party client digitally signs the quality information form and uploads the quality information form to the block link; the block chain calls the intelligent contract and combines the information recorded by the Internet of things equipment to carry out compliance examination on the quality information form uploaded by the client of the construction party;
when the quality information form uploaded by the client of the construction party is not in compliance, the block chain broadcasts the quality information form at each node and sends a notice of reworking or repairing the hidden project to the client of the construction party; after receiving the quality information forms broadcasted by the block chain, the supervisor client and the builder client respectively carry out digital signature on the quality information forms and upload the quality information forms to the block chain;
when the quality information form uploaded by the client of the construction party is not in compliance, the block chain sends the quality information form to the client of the supervisor; after receiving the quality information form, the supervisor client examines the quality information form by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering and gives an examination suggestion; if the inspection opinions are qualified, the proctoring party client carries out digital signature on the quality information form and uploads the digital signature to the block chain; the block chain sends the quality information form signed by the proctor client to the builder client, and the builder client confirms and signs the quality information form after receiving the quality information form and uploads the quality information form to the block chain again; if the examination is not qualified, the client of the proctor uploads the quality information form and the examination opinions to the block chain; after receiving the quality information form and the examination opinions, the block link broadcasts at each node and sends a notice of reworking or repairing the concealed project according to the examination opinions to the client of the construction party;
the Internet of things equipment is used for collecting and recording quality information of the hidden project in the construction process of the hidden project, sending the quality information to the block chain, storing the quality information in the block chain in a Hash evidence storage mode, providing assistance for compliance review and supervision party client review quality information forms, and storing the quality information in the block chain as a construction information record after the hidden project is completed.
Further preferably, the internet of things device comprises a camera, a GPS device and an RFID device.
In a third aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the block chain-based covert engineering quality acceptance method as described above.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1. the invention provides a block chain-based covert engineering quality acceptance method and system, wherein a construction party client, a supervision party client and a construction party client interact under the action of a block chain, signature verification is carried out under a traceable acceptance flow, and data unqualified for regulatory review or supervision of the supervision party client is stored and retained, so that a basis of three-party consensus is provided for quality problem traceability, rework dispute of repair and rework and the like, and the reliability of electronic archiving is higher; based on the technical characteristics of non-tampering, transparency and traceability of the block chain, the interest-related parties in the concealed project participate in the concealed project quality acceptance process through the block chain, mutual trust among the interest-related parties is increased, the concealed project acceptance process is safer, the process is more automatic, and the trust problem and disputes are solved; in addition, the Internet of things is introduced, the quality information form is inspected by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering, monitoring and certificate recording of the covert engineering which is difficult to accept secondarily are formed, and an artificial side station without third-party recording is converted into an electronic side station, so that inspection is more transparent.
2. In the block chain-based covert project quality acceptance method and system, after the constructor client, the supervisor client and the constructor client of the same project create respective nodes in the block chain, the respective nodes are added into the same channel of the block chain, all data uploaded to the block chain are completely opened for members in the channel, but completely closed for the outside of the channel, so that the project and the project are separated to ensure the privacy of the project, and therefore, interest-interested parties in the covert project participate in the integral acceptance flow of the specific project through the nodes in the operating channel, and the interested parties trust each other, so that the covert project acceptance process is safer, and the flow is more automatic.
3. The block chain-based covert engineering quality acceptance method and the block chain-based covert engineering quality acceptance system provided by the invention have the advantages that the block chain structure storage is carried out on the data generated in the whole process of covert engineering acceptance, and the safety and the traceability of the data are improved.
4. According to the block chain-based covert project quality acceptance method and system, the quality information form is provided with the signatures of the corresponding nodes when being transmitted by different clients through the block chain, so that the safety and the tamper resistance of data are improved.
5. In the block chain-based covert engineering quality acceptance method and system provided by the invention, the quality inspection form is stored in the block chain by taking the form number as a retrieval item, and related responsible parties can be effectively retrieved after a quality problem occurs, so that review can be traced.
6. In the concealed engineering quality acceptance method and system based on the block chain, provided by the invention, the intelligent contract content in the block chain system is introduced, so that the automation degree in the quality inspection form inspection and quality acceptance process is enhanced, and the whole process is more automated.
7. In the concealed engineering quality acceptance method and system based on the block chain, the block chain system is adopted to replace the traditional paper material, and the retained quality acceptance information is safer and more reliable.
8. The block chain-based hidden project quality acceptance method and system provided by the invention combine the illegal behaviors of weak management strength of construction units, 'recall record' after hidden project construction, 'signature complement' for supervision and the like in the current hidden project engineering practice, and provide an acceptance process which can ensure the quality information to be real and reliable and the flow to be in accordance with the specification aiming at the specific project type and the project characteristics of the hidden project.
Drawings
Fig. 1 is a flowchart of a block chain-based covert engineering quality acceptance method provided in embodiment 1 of the present invention;
fig. 2 is a schematic flowchart of the process of accepting the concealed engineering quality of different projects by using different channel block chains according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a block chain-based concealment engineering quality acceptance system provided in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples 1,
A block chain-based covert engineering quality acceptance method is used for verifying covert engineering at each stage; before the quality of the concealed project is checked and accepted, after a block chain network is constructed by a construction side client, a supervisor client and a construction side client, accounts are registered, and respective digital certificates and keys are obtained. The construction method carries out construction normally; the proctoring party proctoring and recording the problems and uploading the block chain; quality information of the covert engineering, which is acquired in real time through Internet of things equipment such as a sensor, an RFID chip and a camera, is uploaded in a hash evidence storage mode and stored in a block chain. After the staged construction content is completed, the staged acceptance inspection is carried out by adopting the concealed engineering quality acceptance method based on the block chain; it should be noted that, the hidden project is special for the common project because of the difficulty in secondary inspection after covering, the construction of the hidden project and key parts needs to be monitored by the side station in the whole process in the acceptance criterion, and the hidden parts need to be recorded or photographed and stored before the project is hidden.
Specifically, as shown in fig. 1, the block chain-based covert engineering quality acceptance method includes the following steps:
s1, the client of the construction side initiates a concealed project quality acceptance request to the block chain after self-checking the quality information form of the concealed project, and attaches corresponding project concealed inspection recording material certification, test reports and the like;
s2, after receiving a quality acceptance request initiated by the construction side client, the block link forwards the request to the supervisor client, and after the supervisor client confirms (such as whether the file format is complete and the filling is in accordance with the requirement) the construction side client digitally signs the quality information form and the other materials and uploads the digital signatures to the block link;
s3, calling the intelligent contract by the blockchain and carrying out compliance examination on the quality information form uploaded by the client of the construction party by combining the information recorded by the internet of things equipment; if not, broadcasting the quality information form at each node, and sending a notice of reworking or repairing the hidden project to the client of the construction party; after receiving the quality information forms broadcasted by the block chain, the proctoring party client and the construction party client respectively carry out digital signature on the quality information forms, and upload the quality information forms to the block chain, and the operation is finished; otherwise, go to step S4;
specifically, the method for performing compliance review on the quality information form comprises the following steps: for each construction quality parameter in the quality information form, combining the information recorded by the internet-of-things equipment, and respectively judging whether the construction quality parameter is within the standard range required by regulations, contracts and regulations related to the construction quality; if all the construction quality parameters in the quality information form meet the requirements of regulations, contracts and regulations related to the construction quality, the construction quality is in compliance; otherwise, no compliance is established.
S4, the block chain sends the quality information form to the supervisor client; after receiving the quality information form, the supervisor client examines the quality information form by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering and gives an examination suggestion; if the inspection opinion is qualified, the quality information form and the other materials are digitally signed and then uploaded to a block chain; the block chain sends the quality information form signed by the proctor client to the builder client, the builder client confirms and signs after receiving the quality information form, and uploads the quality information form to the block chain again, and after the operation is finished, the next process can be carried out after the concealment of the block chain is carried out; otherwise, uploading the quality information form and the examination opinions to a block chain; and after receiving the quality information form and the examination opinions, the block link broadcasts at each node and sends a notice for reworking or repairing the concealed project according to the examination opinions to the client of the construction party.
Specifically, the supervisor client checks the quality information form by combining the quality information of the covert engineering collected by the internet of things in the construction process of the covert engineering, namely, the supervisor client checks whether the content of the form is complete and whether related parameters meet requirements on the basis of the compliance check; the quality information is subject to the content in the corresponding quality information acceptance form, and includes but is not limited to construction time, construction segment responsible persons, construction quality parameters and the like. And storing the quality information of the covert engineering collected by the Internet of things in a block chain in a Hash evidence storage mode. Specifically, taking the steel bar in the hidden project as an example, the quality information includes information such as the diameter, strength, weight, length, etc. of the steel bar.
In the invention, a quality information form takes a 12-bit form id as an index to be stored in a block chain; wherein, the 1 st to 3 rd bits of the form id correspond to the unit project number of the concealed project, the 4 th to 6 th bits of the form id correspond to the branch project number of the concealed project, the 7 th to 9 th bits of the form id correspond to the branch project number of the concealed project, and the 10 th to 12 th bits of the form id correspond to the inspection batch of the concealed project.
After the construction of the concealed project at one stage is finished, the concealed project quality acceptance method based on the block chain is adopted to accept and pass the acceptance, and then the project construction at the next stage is carried out; and after the construction of the concealed engineering in each stage is completed, starting the last compliance review to verify the integrity of all quality information forms, broadcasting to all nodes of the block chain if no problem exists, and issuing concealed engineering quality certificates by the client of the supervisor so as to complete the concealed engineering quality acceptance.
Further, in the above process, as shown in fig. 2, after the constructor client, the supervisor client and the constructor client of the same project may create respective nodes in the blockchain, the respective nodes are added into the same channel of the blockchain, and each node has a corresponding intelligent contract and an account book. The data security, the flow automation and the traceability checking and accepting process are realized under the support of the intelligent contract technology, all the data uploaded to the block chain are completely opened for members in the channel, but are completely closed for the outside of the channel. The construction side client, the construction side client and the supervision side client participate in activities such as block chain network transaction, query and the like through operating corresponding nodes. The method can enable the interest-related parties in the hidden project to participate in the overall acceptance process of the specific project through the nodes in the operation channel, and increase the mutual trust among the interest-related parties of the project, so that the acceptance process of the hidden project is safer, and the process is more automatic.
And after the hidden project is finished and the hidden project quality acceptance is finished, the channel in the block chain returns the state value of the last stage to the information evidence storing module. At the moment, any interest-related party client (a constructor client, a proctoring party client and a constructor client) related to the project can search in a block chain according to the form id or the related content of the form, so that the quality information can be traced, and when the quality problem occurs in the concealed project, the contents of inspection lots, project sub-projects and the like with the quality problem can be positioned, and the related information can be searched.
Examples 2,
A block chain based covert engineering quality acceptance system, as shown in fig. 3, comprising: the system comprises a block chain, a construction party client, a supervision party client, a construction party client and Internet of things equipment;
the construction side client, the supervision side client, the construction side client and the Internet of things equipment are all connected into a block chain;
the construction side client initiates a concealed project quality acceptance request to the block chain after self-checking the concealed project quality information form; after receiving a quality acceptance request initiated by the construction party client, the block link is forwarded to the supervisor client, and after being confirmed by the supervisor client, the construction party client digitally signs the quality information form and uploads the quality information form to the block link; the block chain calls the intelligent contract and combines the information recorded by the Internet of things equipment to carry out compliance examination on the quality information form uploaded by the client of the construction party;
when the quality information form uploaded by the client of the construction party is not in compliance, the block chain broadcasts the quality information form at each node and sends a notice of reworking or repairing the hidden project to the client of the construction party; after receiving the quality information forms broadcasted by the block chain, the supervisor client and the builder client respectively carry out digital signature on the quality information forms and upload the quality information forms to the block chain;
when the quality information form uploaded by the client of the construction party is not in compliance, the block chain sends the quality information form to the client of the supervisor; after receiving the quality information form, the supervisor client examines the quality information form by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering and gives an examination suggestion; if the inspection opinions are qualified, the proctoring party client carries out digital signature on the quality information form and uploads the digital signature to the block chain; the block chain sends the quality information form signed by the proctor client to the builder client, and the builder client confirms and signs the quality information form after receiving the quality information form and uploads the quality information form to the block chain again; if the examination is not qualified, the client of the proctor uploads the quality information form and the examination opinions to the block chain; after receiving the quality information form and the examination opinions, the block link broadcasts at each node and sends a notice of reworking or repairing the concealed project according to the examination opinions to the client of the construction party;
the Internet of things equipment is used for collecting and recording quality information of the hidden project in the construction process of the hidden project, sending the quality information to the block chain, storing the quality information in the block chain in a Hash evidence storage mode, providing assistance for compliance review and supervision party client review quality information forms, and storing the quality information in the block chain as a construction information record after the hidden project is completed. The internet of things equipment in the embodiment comprises a camera, GPS equipment and RFID equipment.
Specifically, the block chain comprises an intelligent contract module and a evidence storage module; the intelligent contract module comprises a form uploading unit, a form query unit, a compliance examination unit and a quality problem recording unit;
wherein, the form upload unit: for each quality information form, a constructor needs to submit and sign the quality information form, the quality information form is uploaded to a block chain, and then the quality information form is sequentially transmitted to a supervisor client and a constructor client, so that the supervisor client and the constructor client can be signed and linked up; the method comprises the steps of requiring digital certificate verification after receiving a form uploading request, uploading a digital signature of a form and storing the form with the form id as a unique identifier.
A form query unit: all quality acceptance forms are defined to a specific engineering inspection batch by unique 12-bit form ids (the 1 st to 3 rd bits of the form ids correspond to unit engineering numbers of the concealed engineering, the 4 th to 6 th bits of the form ids correspond to branch engineering numbers of the concealed engineering, the 7 th to 9 th bits of the form ids correspond to branch engineering numbers of the concealed engineering, and the 10 th to 12 th bits of the form ids correspond to inspection batches of the concealed engineering). For the content needing to be inquired, the 12-bit form id is used as an identifier for inquiry, and all related personnel of the form signature and related information of the front and back forms can be inquired according to information such as a block chain hash value, a time stamp and the like in the filling process of the forms. In the system, form information can be inquired according to the form id, and the form id can also be inquired according to the form internal information, so that the function of tracing back and forth is completed.
A compliance review unit: for the project types and the stage project quality acceptance standards which can appear in the hidden project construction, all parties jointly formulate and develop corresponding intelligent contracts for compliance examination, wherein the intelligent contracts comprise inspected project main parts and detection parameters and parameter requirements, content reference enterprise standards, local standards, academic standards, industry standards and national standards. After the self-checking of the construction party finishes the application of the initiation form, a compliance examination module automatically reads a previous block on the system, records the previous block as the information content in the block alpha, calls a preset targeted intelligent contract to conduct compliance examination on the construction quality information stored in the block alpha, and judges whether the construction quality information of the examination batch meets the requirements of corresponding parameters. And if the examination is qualified, sending the examination result to the client of the construction party, and performing the next process. And if the data is not qualified, notifying the client of the construction party to carry out rework or repair treatment. Meanwhile, the proctoring party client uses the examination result and the original data as contents, generates a block alpha +1 after consensus again, and performs digital signature.
Quality problem recording unit: when a proctoring party client captures quality problems and abnormal data, shoots photos and collects related problem information in the normal working process or a compliance examination unit or Internet of things equipment, storing violation photos and recording information into a evidence storage module, wherein the violation photos and the recording information of the quality problems are in one-to-one correspondence in the process; the intelligent contract sends the picture information and the record information of the quality problem to a constructor to require further inspection, and the picture information and the record information are repaired or corrected and copied to a client of the constructor; the above process takes the result and the original data as content, forms blocks after consensus, and performs digital signature and uplink retention.
The related technical features are the same as those of embodiment 1, and are not described herein.
Above-mentioned hidden engineering quality acceptance system based on block chain carries out quality information's collection through two ways of the access of thing networking equipment and the input of supervisor's customer end, carries out automatic compliance inspection at intelligent contract module to quality acceptance form, can adopt the multichannel form to guarantee simultaneously that the system uses in different projects in order to guarantee the project privacy, also can inquire the content of depositing in the module through the search retrieval at last, and the reliability is higher.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A block chain-based concealed engineering quality acceptance method is characterized by comprising the following steps:
s1, the client of the construction side initiates a quality acceptance request of the hidden project to the block chain after self-checking the quality information form of the hidden project;
s2, after receiving the quality acceptance request initiated by the constructor client, the block link is forwarded to the supervisor client, and after the quality acceptance request is confirmed by the supervisor client, the constructor client digitally signs the quality information form and uploads the quality information form to the block link;
s3, the block chain calls an intelligent contract and combines the information recorded by the internet of things equipment to carry out compliance examination on the quality information form uploaded by the constructor client; if not, broadcasting the quality information form at each node, and sending a notice of reworking or repairing the concealed project to the client of the construction party; after receiving the quality information forms broadcasted by the block chain, the proctoring party client and the construction party client respectively carry out digital signature on the quality information forms and upload the quality information forms to the block chain, and the operation is finished; otherwise, go to step S4;
s4, the block chain sends the quality information form to the proctor client; after receiving the quality information form, the proctoring party client examines the quality information form and gives an examination suggestion by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering; if the inspection opinion is qualified, the quality information form is digitally signed and then uploaded to the block chain; the block chain sends the quality information form signed by the proctor client to the builder client, and the builder client confirms and signs the quality information form after receiving the quality information form and uploads the quality information form to the block chain again, so that the operation is finished; otherwise, uploading the quality information form and the examination opinions to the block chain; and after receiving the quality information form and the examination opinions, the block link broadcasts at each node and sends a notice of reworking or repairing the concealed project according to the examination opinions to the client of the construction party.
2. The block chain-based covert engineering quality acceptance method according to claim 1, wherein the block chain-based covert engineering quality acceptance method is used for verifying the covert engineering of each stage, and after the construction of the covert engineering of one stage is completed, the block chain-based covert engineering quality acceptance method according to claim 1 is adopted for acceptance, and after the acceptance is passed, the engineering construction of the next stage is carried out; and after the construction of the concealed engineering in each stage is finished, the block chain carries out the last compliance examination to verify the integrity of all quality information forms, if no problem exists, the block chain is broadcasted to all nodes of the block chain, and the supervisor client signs and issues concealed engineering quality certificates, so that the concealed engineering quality acceptance is finished.
3. The blockchain-based covert engineering quality acceptance method of claim 1 or 2, wherein the method of performing compliance review on a quality information form comprises: for each construction quality parameter in the quality information form, combining the information recorded by the internet-of-things equipment, and respectively judging whether the construction quality parameter is within the standard range required by regulations, contracts and regulations related to the construction quality; if all the construction quality parameters in the quality information form meet the requirements of regulations, contracts and regulations related to the construction quality, the construction quality is in compliance; otherwise, no compliance is established.
4. The blockchain-based covert engineering quality acceptance method of claim 1 or 2, wherein after respective nodes are created in the blockchain by the constructor client, the supervisor client and the constructor client of the same project, the respective nodes are added into the same channel of the blockchain.
5. The blockchain-based covert engineering quality acceptance method according to claim 1 or 2, storing the covert engineering quality information collected by the internet of things in the blockchain in a form of hash certificate.
6. The blockchain-based covert engineering quality acceptance method of claim 1 or 2, wherein the quality information form is stored in the blockchain with a 12-bit form id as an index; wherein, the 1 st to 3 rd bits of the form id correspond to the unit project number of the concealed project, the 4 th to 6 th bits of the form id correspond to the branch project number of the concealed project, the 7 th to 9 th bits of the form id correspond to the branch project number of the concealed project, and the 10 th to 12 th bits of the form id correspond to the inspection batch of the concealed project.
7. A block chain based covert engineering quality acceptance system comprising: the system comprises a block chain, a construction party client, a supervision party client, a construction party client and Internet of things equipment;
the constructor client, the supervisor client, the constructor client and the Internet of things equipment are all connected into the block chain;
the construction side client initiates a concealed project quality acceptance request to the block chain after self-checking the concealed project quality information form; after receiving a quality acceptance request initiated by the construction party client, the block link forwards the quality acceptance request to the supervisor client, and after the quality acceptance request is confirmed by the supervisor client, the construction party client digitally signs a quality information form and uploads the quality information form to the block link; the block chain calls the intelligent contract and combines the information recorded by the internet of things equipment to carry out compliance examination on the quality information form uploaded by the client of the construction party;
when the quality information form uploaded by the client of the construction party is not in compliance, the block chain broadcasts the quality information form at each node and sends a notice for reworking or repairing the concealed project to the client of the construction party; after receiving the quality information forms broadcasted by the block chain, the proctoring party client and the construction party client respectively carry out digital signature on the quality information forms and upload the quality information forms to the block chain;
when the quality information form uploaded by the construction side client side is not in compliance, the block chain sends the quality information form to the supervision side client side; after the proctor client receives the quality information form, the quality information form is examined and an examination suggestion is given by combining the quality information of the covert engineering collected by the Internet of things in the construction process of the covert engineering; if the inspection opinions are qualified, the proctor client uploads the block chain after performing digital signature on the quality information form; the block chain sends the quality information form signed by the proctor client to the builder client, and the builder client confirms and signs the quality information form after receiving the quality information form and uploads the quality information form to the block chain again; if the examination is not qualified, the proctor client uploads a quality information form and an examination suggestion to the block chain; after receiving the quality information form and the examination opinions, the block link broadcasts at each node and sends a notice of reworking or repairing the concealed project according to the examination opinions to the client of the construction party;
the Internet of things equipment is used for collecting and recording quality information of the covert engineering in the construction process of the covert engineering, sending the quality information to the block chain, storing the quality information in the block chain, providing assistance for compliance review and supervision client review quality information forms, and storing the quality information in the block chain as a construction information record after the covert engineering is finished.
8. The blockchain-based covert engineering quality acceptance system of claim 7, wherein the internet of things devices comprise cameras, GPS devices, and RFID devices.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, implements the block chain based concealment project quality acceptance method according to any one of claims 1 to 6.
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