CN112429622B - Escalator monitoring network system based on block chain and IPFS - Google Patents
Escalator monitoring network system based on block chain and IPFS Download PDFInfo
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- CN112429622B CN112429622B CN202011427769.3A CN202011427769A CN112429622B CN 112429622 B CN112429622 B CN 112429622B CN 202011427769 A CN202011427769 A CN 202011427769A CN 112429622 B CN112429622 B CN 112429622B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
- B66B25/003—Methods or algorithms therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention discloses an escalator monitoring network system based on a blockchain and an IPFS, which comprises a plurality of environment sensing monitoring modules, an escalator blockchain module, an IPFS interstar file subsystem and an escalator monitoring module which are in one-to-one correspondence with a plurality of escalator to be monitored, wherein the escalator monitoring network system is built through the blockchain and the IPFS technology, the safety of data transmission is ensured by utilizing the characteristics of nondefective and high transparency of the blockchain congenital data, a double-chain structure combined with a subsidiary chain is adopted, the subsidiary chain is responsible for data cache, the subsidiary chain is responsible for data query, and meanwhile, the IPFS interstar file network system is utilized for storing monitoring data, so that the system capacity is improved, and the problems of low monitoring safety of the escalator as a whole, low information processing efficiency and poor capacity expansion capability are solved if the blockchain technology is adopted.
Description
Technical Field
The invention belongs to the technical field of escalator monitoring, and particularly relates to an escalator monitoring network system based on a blockchain and an IPFS.
Background
The escalator is used in a device for upward or downward conveying passengers between different floors of a building, and is widely used in places where people flow is concentrated, such as railway stations, subway stations, bus stops, shops, airports, and the like. The working principle of the escalator is a chain type circulating conveyor belt, and the escalator belongs to forced driving, so that once jamming occurs, equipment is possibly damaged, moving parts of the escalator are exposed and are in direct contact with people, and huge potential safety hazards exist, so that an escalator monitoring network needs to be built to know and protect potential safety hazards possibly existing in advance.
Most of the existing escalator monitoring systems adopt a centralized structure, namely, after data information is collected by the escalator sensors, the data information is directly transmitted to the central system, and the data safety and the integrity cannot be guaranteed. If the block chain technology is adopted to build the escalator monitoring network, the problem of low data transmission efficiency and poor capacity expansion capability of the block chain on the birth is also existed.
Disclosure of Invention
Aiming at least one defect or improvement requirement of the prior art, the invention provides an escalator monitoring network system based on a blockchain and an IPFS, wherein the escalator monitoring network is built by adopting a blockchain technology, the security of data transmission is ensured by utilizing the characteristic that the blockchain is not tamperable, a mode of carrying out data storage and query verification by combining a son-mother chain with the IPFS interstellar file system is provided, and the problems of low processing efficiency and poor capacity expansion of the congenital data of the blockchain are solved.
In order to achieve the above object, according to one aspect of the present invention, there is provided an escalator monitoring network system based on blockchain and IPFS, the system including a plurality of environment sensing monitoring modules, an escalator blockchain module, an IPFS interstar file subsystem and an escalator monitoring module corresponding to a plurality of escalator to be monitored one by one, the escalator blockchain module being respectively connected to the plurality of environment sensing monitoring modules, the IPFS interstar file subsystem and the escalator monitoring terminal, the environment sensing monitoring modules being used for monitoring the corresponding escalator to be monitored in real time and uploading the corresponding escalator monitoring data periodically;
the escalator block chain module comprises a sub chain provided with a plurality of sub blocks and a mother chain provided with a plurality of mother blocks, wherein the sub chain is used for receiving and caching the escalator monitoring data acquired by the environment sensing monitoring module and periodically transferring the escalator monitoring data to the IPFS interstar file subsystem; the parent chain is used for storing the data tag corresponding to the sub-block storage data, and the data tag is used for calling the storage data of the sub-chain or uploading the storage data of the sub-chain to the IPFS interstellar file subsystem;
the IPFS interstellar file subsystem is used for storing uploading data and data labels of the sub-blocks, receiving inquiry instructions of a parent chain and analyzing the inquiry instructions to obtain corresponding data labels, and obtaining corresponding monitoring data from the stored data by utilizing the corresponding data labels;
the escalator monitoring module is used for acquiring an escalator periodic overhaul maintenance instruction and an escalator periodic overhaul maintenance instruction to generate a query request, and sending the query request to the master chain to acquire required monitoring data.
As a further improvement of the invention, the environment sensing module comprises a monitoring camera, a plurality of sensors and a data acquisition box, wherein the monitoring camera is used for acquiring image signals of the escalator to be monitored in real time, the sensors are used for acquiring monitoring data of parts of the escalator to be monitored, and the data acquisition box is used for collecting acquired data uploaded by various sensors and transmitting the acquired data to the escalator block chain module.
As a further improvement of the present invention, the types of sensors include one or more of vibration sensors, temperature sensors, and noise sensors.
As a further improvement of the present invention, the data processing procedure of the sub-chain includes:
starting from the initial sub-block, the monitoring data of the environment sensing monitoring module is continuously uploaded to the sub-block until the storage capacity of the sub-block is exhausted, the data is continuously stored in the next sub-block, and the like, and all the sub-blocks are sequentially linked into a sub-chain.
As a further improvement of the present invention, the data processing procedure of the sub-chain further includes:
and each sub-block carries out Hash encryption calculation on the collected escalator monitoring data to obtain Merkle roots and uses the Merkle roots as data labels of the data.
As a further improvement of the invention, when the sub-chain length reaches a preset value, the existing data and the data label are uploaded to the IPFS interstellar file subsystem, and meanwhile, the data on the sub-chain is cleared.
As a further improvement of the invention, the IPFS interstar file subsystem comprises a plurality of network nodes corresponding to the escalator to be monitored one by one and a lookup table, wherein the lookup table comprises the escalator ID to be monitored, escalator monitoring data and corresponding data tags, and after the IPFS interstar file subsystem receives the uploading data and the data tags of the sub-blocks, the uploading data and the data tags are stored in the network nodes corresponding to the escalator ID to be monitored, and meanwhile, the lookup table data is updated.
As a further improvement of the invention, after the IPFS interstellar file subsystem receives the inquiry command of the parent chain, the corresponding data tag is obtained by analyzing the inquiry command, the corresponding network node is obtained by the lookup table, and the corresponding escalator monitoring data is called from the network node by using the corresponding data tag.
As a further improvement of the invention, the escalator monitoring module comprises an operation management monitoring terminal, a maintenance detecting terminal and an escalator monitoring center sub-module, wherein the escalator monitoring center sub-module is respectively connected with the main chain and the IPFS interstar file sub-system, the operation management monitoring terminal is used for uploading daily escalator monitoring instructions to the escalator monitoring center sub-module, the maintenance detecting terminal is used for uploading regular escalator maintenance instructions to the escalator monitoring center sub-module, and the escalator monitoring center sub-module is used for generating inquiry requests according to the uploaded regular escalator maintenance instructions and sending the inquiry requests to the main chain.
As a further improvement of the invention, the escalator monitoring center sub-module is also used for acquiring manufacturer test data and carrying out state evaluation on the escalator to be monitored according to the manufacturer test data and the monitoring data.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
according to the escalator monitoring network system based on the blockchain and the IPFS, the escalator monitoring network system is built through the blockchain and the IPFS technology, the safety of data transmission is guaranteed by utilizing the characteristics that the congenital data of the blockchain is not tamperable and is highly transparent, a double-chain structure combined by a primary chain and a secondary chain is adopted, the secondary chain is responsible for data caching, the primary chain is responsible for data query, meanwhile, the IPFS interstar file network system is utilized for storing monitoring data, the system capacity is improved, and the problems that the escalator monitoring safety is low, and if the blockchain technology is adopted, the information processing efficiency is low and the capacity expansion capacity is poor are solved.
Drawings
Fig. 1 is a schematic structural diagram of an escalator monitoring network system based on blockchain and IPFS according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Technical terms related to the present application are explained as follows:
IPFS, interPlanetary File System, interstellar File System.
Fig. 1 is a schematic structural diagram of an escalator monitoring network system based on blockchain and IPFS according to an embodiment of the present invention. As shown in fig. 1, the system comprises a plurality of environment sensing monitoring modules, an escalator block chain module, an IPFS interstar file subsystem and an escalator monitoring module, wherein the environment sensing monitoring modules, the escalator block chain module, the IPFS interstar file subsystem and the escalator monitoring terminal are in one-to-one correspondence with a plurality of escalators to be monitored, the environment sensing monitoring modules are respectively connected with the environment sensing monitoring modules, the IPFS interstar file subsystem and the escalator monitoring terminal, and are used for monitoring the corresponding escalators to be monitored in real time and uploading corresponding escalator monitoring data periodically, and uploading the escalator monitoring data at preset time intervals is indicated periodically; preferably, the environment sensing module comprises a monitoring camera, a plurality of sensors and a data acquisition box, wherein the monitoring camera acquires image signals, the vibration sensor acquires speed/acceleration signals, the temperature sensor acquires temperature signals, and the noise sensor acquires noise signal lamps. Each sensor monitors the real-time state of key parts of the escalator, for example, a vibration sensor monitors vibration signals of a reduction gear box, a noise sensor monitors noise signals of a stair path of a stair, and the data acquisition box uniformly collects acquired data of each sensor and transmits the data to a sub-chain in an escalator block chain network.
The escalator block chain module comprises a sub-chain provided with a plurality of sub-blocks and a parent chain provided with a plurality of parent blocks, utilizes the sub-chain to receive the escalator monitoring data acquired by the environment sensing monitoring module, and periodically transfers the escalator monitoring data to the IPFS interstellar file subsystem, specifically, from an initial sub-block, the sensor monitoring data acquired by the environment sensing monitoring module is continuously uploaded to the sub-block until the storage capacity of the sub-block is used up, the data is continuously stored in the next sub-block, and the like, and all the sub-blocks are sequentially linked into the sub-chain; each sub-block carries out Hash encryption calculation on the collected escalator monitoring data to obtain Merkle roots and uses the Merkle roots as a data tag of the data, and as the escalator monitoring data volume is huge, the sub-chain length is longer and longer along with the data growth, so that the data processing efficiency is lower; as a preferred mode, when the sub-chain length reaches a preset value, the existing data and the data label are uploaded to the IPFS interstellar file subsystem, and meanwhile, the data on the sub-chain is cleared.
The parent chain is used for storing the data tag corresponding to the sub-block storage data, and the data tag is used for calling the storage data of the sub-chain or uploading the storage data of the sub-chain to the IPFS interstellar file subsystem for query verification; specifically, each sub-block is provided with a corresponding master block, the sub-blocks store monitoring data and corresponding data labels into the IPFS interstellar file network system, meanwhile store the data labels into the master blocks, and start to store from the initial master block until the capacity of the master block is exhausted, and each master block is sequentially and backwards linked into a master chain, so that the volume of the data labels is small, the capacity consumption of the master chain is slow, and regular data cleaning is not needed;
the IPFS interstar file subsystem is used for storing uploading data and data labels of the sub-blocks, receiving inquiry instructions of a parent chain and analyzing the inquiry instructions to obtain corresponding data labels, utilizing the corresponding data labels to obtain corresponding monitoring data from the stored data, preferably, the IPFS interstar file subsystem comprises a plurality of network nodes and a lookup table which are in one-to-one correspondence with the escalator to be monitored, the lookup table comprises the escalator ID to be monitored, the escalator monitoring data and the corresponding data labels, after the IPFS interstar file subsystem receives the uploading data and the data labels of the sub-blocks, the data labels are used for obtaining the escalator ID to be monitored, the uploading data and the data labels are stored in the network nodes corresponding to the escalator ID to be monitored, and meanwhile, the lookup table data is updated; after the IPFS interstellar file subsystem receives the inquiry command of the parent chain, a corresponding data tag is obtained through analyzing the inquiry command, a corresponding network node is obtained through a lookup table, and corresponding escalator monitoring data is called from the network node by utilizing the corresponding data tag.
The IPFS interstellar file subsystem is a decentralized distributed storage system, it utilizes the addressing mode based on content instead of address to store and find the file, use the point-to-point agreement, it provides a high-throughput content addressing storage model, upload, download speed is fast, and because the distributed storage structure, its security performance is guaranteed; specifically, in the whole monitoring network, each escalator and the monitoring system thereof are IPFS network nodes, and one node only stores all monitoring data of the corresponding escalator. When data are required to be extracted, the IPFS network system grabs all the lists of the nodes in parallel and composes complete monitoring data locally, and the parallel speed is far greater than the speed of directly downloading the complete data, so that the data transmission efficiency can be greatly improved by adopting the mode; each node stores a Hash table besides data, and is used for recording the position of each data storage, so that the data can be conveniently inquired and downloaded; in the IPFS system, each individual data content has been encrypted by a Hash on the sub-chain to obtain a unique Hash value, and the data content changes slightly, and the Hash changes accordingly. Therefore, the IPFS removes redundant repeated data by deleting the data with the repeated Hash value, and improves the utilization rate of the storage space.
The escalator monitoring module is used for acquiring an escalator periodic overhaul maintenance instruction and an escalator periodic overhaul maintenance instruction to generate a query request, and sending the query request to the master chain to acquire required monitoring data. Specifically, the escalator monitoring module comprises an operation management monitoring terminal, a maintenance detecting terminal and an escalator monitoring center sub-module, wherein the escalator monitoring center sub-module is respectively connected with the master chain and the IPFS interstar file sub-system. The operation management monitoring terminal is used for uploading daily monitoring instructions of the escalator to the escalator monitoring center sub-module, wherein the daily monitoring instructions of the escalator comprise parameter information and control information which need to be monitored when the escalator is operated daily so as to cope with possible sudden accidents; the maintenance detection terminal is used for uploading periodic maintenance instructions of the escalator to the escalator monitoring center sub-module, wherein the periodic maintenance instructions of the escalator comprise daily inspection, weekly inspection, monthly inspection plan and the like, and the machine is periodically subjected to state inspection and record; the escalator monitoring center submodule is used for generating a query request according to the uploaded escalator regular overhaul maintenance instruction and the escalator regular overhaul maintenance instruction, sending the query request to the parent chain, determining corresponding data labels according to the query request by the parent chain, and forwarding the data labels to the IPFS interstar file subsystem or the child chain, wherein the IPFS interstar file subsystem or the child chain finds out the labels of the parent chain request through label check, and extracts corresponding escalator monitoring data to be fed back to the escalator monitoring center submodule, so that the escalator monitoring center submodule can collect all information needing to be monitored and detected in a gathering mode, and preferably, factory testing data of an escalator can be uploaded to the escalator monitoring center by a manufacturer, and the state of the escalator is evaluated by combining with the testing data of the manufacturer, so that corresponding decisions such as shutdown overhaul or replacement of a certain part are further made.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The escalator monitoring network system based on the blockchain and the IPFS is characterized by comprising a plurality of environment sensing monitoring modules, an escalator blockchain module, an IPFS interstar file subsystem and an escalator monitoring module, wherein the environment sensing monitoring modules, the escalator blockchain module, the IPFS interstar file subsystem and the escalator monitoring terminal are in one-to-one correspondence with a plurality of escalator to be monitored, and the escalator blockchain module is respectively connected with the environment sensing monitoring modules, the IPFS interstar file subsystem and the escalator monitoring terminal;
the environment sensing monitoring module is used for monitoring the corresponding escalator to be monitored in real time and uploading the corresponding escalator monitoring data periodically; the environment perception monitoring module comprises a monitoring camera, a plurality of sensors and a data acquisition box;
the escalator block chain module comprises a sub-chain provided with a plurality of sub-blocks and a parent chain provided with a plurality of parent blocks,
the sub-chain is used for receiving and caching the escalator monitoring data acquired by the environment sensing monitoring module, each sub-block carries out Hash encryption calculation on the collected escalator monitoring data, and the escalator monitoring data is transferred to the IPFS interstellar file subsystem at regular intervals; when the sub-chain length reaches a preset value, uploading the existing data and the data label to an IPFS interstellar file subsystem, and clearing the data on the sub-chain; the parent chain is used for storing a data tag corresponding to the sub-block storage data, and the data tag is used for calling the storage data of the sub-chain or uploading the storage data of the sub-chain to the IPFS interstellar file subsystem; the sub-blocks are provided with corresponding parent blocks, the sub-blocks store escalator monitoring data and corresponding data labels into an IPFS interstellar file network system, and meanwhile store the data labels into the parent blocks;
the IPFS interstellar file subsystem is used for storing uploading data and data labels of the sub-blocks, receiving inquiry instructions of a parent chain and analyzing the inquiry instructions to obtain corresponding data labels, and obtaining corresponding monitoring data from the stored data by utilizing the corresponding data labels; the IPFS interstar file subsystem comprises a plurality of network nodes and a lookup table, wherein the network nodes and the lookup table are in one-to-one correspondence with the escalator to be monitored, and each network node stores all monitoring data and one Hash table of the corresponding escalator;
the escalator monitoring module is used for acquiring an escalator regular overhaul maintenance instruction to generate a query request, and sending the query request to the master chain to acquire required monitoring data.
2. The escalator monitoring network system based on the blockchain and the IPFS, according to claim 1, wherein the monitoring camera is used for collecting image signals of an escalator to be monitored in real time, the sensor is used for collecting monitoring data of parts of the escalator to be monitored, and the data collection box is used for collecting collected data uploaded by various sensors and sending the collected data to the escalator blockchain module.
3. The blockchain and IPFS based escalator monitoring network system of claim 2, wherein the type of sensor includes one or more of a vibration sensor, a temperature sensor and a noise sensor.
4. An escalator monitoring network system based on a blockchain and IPFS according to claim 1, wherein the data processing of the subchains comprises:
starting from the initial sub-block, the monitoring data of the environment sensing monitoring module is continuously uploaded to the sub-block until the storage capacity of the sub-block is exhausted, the data is continuously stored in the next sub-block, and the like, and all the sub-blocks are sequentially linked into a sub-chain.
5. The escalator monitoring network system based on blockchain and IPFS of claim 1, wherein the data processing of the subchains further comprises:
and each sub-block carries out Hash encryption calculation on the collected escalator monitoring data to obtain Merkle roots and uses the Merkle roots as data labels of the data.
6. The escalator monitoring network system based on the blockchain and the IPFS as claimed in claim 1, wherein the lookup table comprises an escalator ID to be monitored, escalator monitoring data and corresponding data tags, the IPFS interstellar file subsystem acquires the escalator ID to be monitored through the data tags after receiving the uploading data and the data tags of the sub-blocks, stores the uploading data and the data tags to network nodes corresponding to the escalator ID to be monitored, and updates the lookup table data.
7. The escalator monitoring network system based on the blockchain and the IPFS as claimed in claim 6, wherein the IPFS interstellar file subsystem obtains the corresponding data tag by analyzing the query command after receiving the query command of the parent chain, obtains the corresponding network node by the lookup table, and retrieves the corresponding escalator monitoring data from the network node by using the corresponding data tag.
8. The escalator monitoring network system based on the blockchain and the IPFS according to claim 1, wherein the escalator monitoring module comprises an operation management monitoring terminal, a maintenance detection terminal and an escalator monitoring center sub-module, the escalator monitoring center sub-module is respectively connected with the parent chain and the IPFS interstar file sub-system, the operation management monitoring terminal is used for uploading the escalator daily monitoring instructions to the escalator monitoring center sub-module, the maintenance detection terminal is used for uploading the escalator regular maintenance instructions to the escalator monitoring center sub-module, and the escalator monitoring center sub-module is used for generating a query request according to the uploaded escalator regular maintenance instructions and sending the query request to the parent chain.
9. The escalator monitoring network system based on blockchain and IPFS according to claim 8, wherein the escalator monitoring center sub-module is further configured to obtain factory test data, and perform a state evaluation on the escalator to be monitored according to the factory test data and the monitoring data.
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