CN114124952A - Cloud platform access system and method of data acquisition equipment - Google Patents
Cloud platform access system and method of data acquisition equipment Download PDFInfo
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- 238000003860 storage Methods 0.000 claims description 41
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention provides a cloud platform access system and a cloud platform access method of data acquisition equipment, wherein a data acquisition module is used for acquiring equipment information of newly accessed physical equipment according to an information acquisition command; the virtual model subsystem is connected with the data acquisition module and used for establishing and storing virtual equipment corresponding to newly accessed physical equipment based on the equipment information and establishing and storing an application model based on equipment combination comprising at least one virtual equipment; the cloud platform access module is connected with the virtual model subsystem and used for realizing data transmission between the virtual model subsystem and the cloud platform; the data acquisition module acquires the acquired data of the physical equipment, and the data is transmitted to the cloud platform by the cloud platform access module after being subjected to data coupling processing by the corresponding application model; and the issued data of the cloud platform is received by the cloud platform access module, is analyzed and processed by the application model and is sent to the corresponding physical equipment. The cloud platform access system is simple and standardized, the data transmission quantity is saved, and the waste of network bandwidth resources is avoided.
Description
Technical Field
The invention relates to the technical field of data acquisition, in particular to a cloud platform access system and a cloud platform access method of data acquisition equipment.
Background
The Internet of Things (Internet of Things, IOT for short) is used for collecting any object or process needing monitoring, connection and interaction in real time and collecting various required information such as sound, light, heat, electricity, mechanics, chemistry, biology and position through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors and laser scanners, and realizing the ubiquitous connection of objects and people through various possible network accesses and the intelligent sensing, identification and management of the objects and the processes. The internet of things is an information bearer based on the internet, a traditional telecommunication network and the like, and all common physical objects which can be independently addressed form an interconnected network.
In the prior art, the data acquisition equipment platform of the internet of things has a plurality of access means and technical types, including bar codes, magnetic cards, IC cards, RFID, serial ports, modbus and the like, and the data acquired by the data acquisition equipment is directly or indirectly butted with a cloud platform and a server in a wired or wireless mode after being locally processed. The access technology and means of the data acquisition platform are various and different, the access platform is complex due to the independent platform inlet of each physical device, the data acquired by each physical device is uploaded to the cloud platform through the corresponding platform inlet, the transmitted data volume is large, and the network bandwidth is wasted.
Disclosure of Invention
The invention provides a cloud platform access system and a cloud platform access method for data acquisition equipment, and aims to solve the technical problems that a data acquisition access platform is complex, data transmission bandwidth is reduced and the like in the prior art.
A cloud platform access system of a data acquisition device, comprising:
the interface of the data acquisition module is used for accessing the physical equipment;
the interface monitoring module is connected with the data acquisition module and is used for monitoring whether new physical equipment is accessed to the interface of the data acquisition module or not, and generating an information acquisition command when the new physical equipment is accessed to the interface of the data acquisition module;
the data acquisition module is used for acquiring the equipment information of the newly accessed physical equipment according to the information acquisition command;
the virtual model subsystem is connected with the data acquisition module and used for establishing and storing virtual equipment corresponding to newly accessed physical equipment based on the equipment information and establishing and storing an application model based on equipment combination comprising at least one virtual equipment;
the virtual model subsystem comprises a storage module, a storage module and a processing module, wherein the storage module is used for performing associated storage on the established virtual equipment and the application model;
the cloud platform access module is connected with the virtual model subsystem and used for realizing data transmission between the virtual model subsystem and the cloud platform;
the data acquisition module acquires the acquired data of the physical equipment, and the data is transmitted to the cloud platform by the cloud platform access module after being subjected to data coupling processing by the corresponding application model;
and the issued data of the cloud platform is received by the cloud platform access module, is analyzed and processed by the application model and is sent to the corresponding physical equipment.
Further, the virtual model subsystem includes:
the data extraction module is used for extracting equipment information of the physical equipment, wherein the equipment information comprises equipment basic information and equipment parameter information;
the device virtual module is connected with the data extraction module and used for establishing and storing virtual devices corresponding to the newly accessed physical devices based on the basic device information and generating unique identifiers of the virtual devices to correspond to the physical devices one by one;
and the model establishing module is respectively connected with the equipment virtual module and the data extracting module and is used for establishing an application model based on at least one virtual equipment and corresponding equipment parameter information.
Further, the cloud platform access system further comprises a storage module, which is respectively connected with the device virtual module and the model establishing module, and is further used for storing an established physical model and an application instance corresponding to the physical model, wherein the physical model refers to model architecture description of a device combination comprising at least one virtual device, and the application instance refers to process description for establishing the application model by bringing parameters based on the physical model; the application model refers to a description for processing data transferred between the physical device and the cloud platform;
the data extraction module is also used for extracting the surrounding environment information of the newly accessed physical equipment;
the device virtual module is used for constructing virtual devices based on the basic information of the devices and the information of the surrounding environment;
the model building module comprises:
a first obtaining unit configured to obtain at least one virtual device forming device combination from the storage module;
the first processing unit is connected with the first acquisition unit and used for carrying out abstract processing on the basic information and the surrounding environment information of the equipment based on a first preset algorithm so as to acquire physical characteristics;
the first matching unit is connected with the first processing unit and used for matching the physical model with the storage module according to the physical characteristics;
the second processing unit is connected with the first matching unit and used for performing abstract processing on parameter information of each device in the device combination based on a second preset algorithm to obtain a parameter abstract processing result when the physical model is successfully matched;
the second matching unit is connected with the second processing unit and used for matching the application examples corresponding to the successfully matched physical models in the storage module according to the parameter abstraction processing result;
the first establishing unit is connected with the second matching unit and used for establishing an application model based on the successfully matched application examples and the parameter information of each device in the device combination when the application examples are successfully matched;
and the first association unit is connected with the first establishment unit and used for associating the application model with each virtual equipment unique identifier in the equipment combination and storing the application model and each virtual equipment unique identifier in the equipment combination in the storage module.
Further, the model building module further comprises:
and the second establishing unit is connected with the first matching unit and used for performing abstract processing on the basic information, the peripheral environment information and the equipment parameter information of the equipment in the equipment combination based on a third preset algorithm and generating a new physical model when the physical model matching fails.
Further, the model building module further comprises:
the third establishing unit is connected with the second matching unit and used for establishing a new application example according to the parameter abstraction processing result when the application example matching fails or based on the newly established physical model, associating the newly established physical model with the application example and storing the associated physical model and the application example in the storage module;
and the first establishing unit is also used for establishing an application model based on the successfully matched application instance and the parameter information of each device in the device combination when the application instance is successfully matched.
Further, the data acquisition module is used for acquiring acquired data of physical equipment connected with each interface during operation;
the virtual model subsystem further comprises:
the first distribution module is used for distributing corresponding application models for the collected data;
the first data processing module is respectively connected with the first distribution module and the storage module and used for calling corresponding application models, and the application models perform coupling processing on the acquired data to form packed data;
and the cloud platform access module is used for sending the packed data to the cloud platform.
Further, the virtual model subsystem further comprises:
the second distribution module is used for distributing a corresponding application model for the issued data of the cloud platform;
the second data processing module is respectively connected with the second distribution module and the storage module and used for calling corresponding application models, and the application models analyze and process the issued data to form physical data and acquire corresponding virtual equipment unique identifiers;
the query module is connected with the second data processing module and used for searching a corresponding connection interface of the physical equipment in the data acquisition module based on the unique identifier of the virtual equipment;
and the data acquisition module sends the physical data to corresponding physical equipment.
Furthermore, the virtual model subsystem also comprises a registration generation module which is connected with the storage module and used for generating registration information for the newly established virtual equipment;
the platform access module includes:
and the registration request interface unit is used for packaging and sending the registration information of the virtual equipment to the cloud platform and receiving the feedback information of the added virtual equipment sent by the cloud platform.
Further, the platform access module further comprises:
and the state updating interface unit is used for sending the heartbeat packet to the cloud platform and receiving the state information of the virtual equipment on the cloud platform fed back by the cloud platform.
A cloud platform access method of a data acquisition device uses the cloud platform access system of the data acquisition device, and comprises the following steps:
step A1, monitoring whether the interface of the data acquisition module has new physical equipment access, and generating an information acquisition command when the interface of the data acquisition module has new physical equipment access;
step A2, acquiring the equipment information of the newly accessed physical equipment according to the information acquisition command;
step A3, establishing virtual equipment corresponding to newly accessed physical equipment based on the equipment information, establishing an application model based on equipment combination including at least one virtual equipment, and performing association storage on the virtual equipment and the application model;
step A4, the data acquisition module acquires the acquired data of the physical device, and the data is transmitted to the cloud platform by the cloud platform access module after being subjected to data coupling processing by the corresponding application model, or the issued data of the cloud platform is received by the cloud platform access module, is analyzed by the application model and is transmitted to the corresponding physical device.
The beneficial technical effects of the invention are as follows: according to the cloud platform access system and method of the data acquisition equipment, the data interaction between the physical equipment and the cloud platform is realized by establishing the corresponding virtual equipment and the application model between the physical equipment and the cloud platform, so that the cloud platform access system is simple and standardized, the data transmission quantity is saved, and the waste of network bandwidth resources is avoided.
Drawings
Fig. 1 is a schematic block diagram of a cloud platform access system of a data acquisition device according to the present invention;
fig. 2 is a schematic block diagram of a virtual module subsystem of a cloud platform access system of a data acquisition device according to the present invention;
FIG. 3 is a schematic block diagram of a model building module of a cloud platform access system of a data acquisition device according to the present invention;
fig. 4 is a schematic diagram of the rest of modules of a virtual module subsystem of a cloud platform access system of a data acquisition device according to the present invention;
fig. 5 is a schematic diagram of the rest of modules of a virtual module subsystem of a cloud platform access system of a data acquisition device according to the present invention;
fig. 6 is a schematic module diagram of a platform access module of a cloud platform access system of a data acquisition device according to the present invention;
fig. 7 is a flowchart illustrating steps of a cloud platform access method of a data acquisition device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 to 6, a cloud platform access system of a data acquisition device includes:
the data acquisition module (1), the interface of the data acquisition module (1) is used for connecting to the physical equipment (6);
the interface monitoring module (2) is connected with the data acquisition module (1) and is used for monitoring whether the interface of the data acquisition module (1) is accessed by new physical equipment (6) or not, and generating an information acquisition command when the interface of the data acquisition module (1) is accessed by the new physical equipment (6);
the data acquisition module (1) is used for acquiring the equipment information of the newly accessed physical equipment (6) according to the information acquisition command;
the virtual model subsystem (3) is connected with the data acquisition module (1) and is used for establishing and storing virtual equipment corresponding to the newly accessed physical equipment (6) based on the equipment information and establishing and storing an application model based on equipment combination comprising at least one virtual equipment;
the virtual model subsystem (3) comprises a storage module (34) for performing associated storage on the established virtual equipment and the application model;
the cloud platform access module (4) is connected with the virtual model subsystem (2) and is used for realizing data transmission between the virtual model subsystem (2) and the cloud platform (5);
the data acquisition module (1) acquires the acquired data of the physical equipment (6), and the data is transmitted to the cloud platform (5) by the cloud platform access module (4) after being subjected to data coupling processing through the corresponding application model;
the issued data of the cloud platform (5) is received by the cloud platform access module (4), analyzed by the application model and then sent to the corresponding physical equipment (6).
Specifically, the virtual model subsystem abstracts the device characteristics for each access physical device, establishes the virtual device corresponding to the access physical device by using the programming language, establishes the corresponding application model for each virtual device or the device combination formed by combining a plurality of virtual devices according to the requirement, and establishes the application model by using the programming language. The application model processes the acquired data of the physical equipment and then sends the processed data to the cloud platform (5), the issued data of the cloud platform is analyzed and sent to the corresponding physical equipment through the application model, a virtual working scene of the physical equipment is provided for a user through unified modeling of the physical equipment, data interaction of the physical equipment and the cloud platform is achieved, the user can obtain the sensing capability of the physical equipment in a standard mode, and then the automatic discovery function of the physical equipment is achieved. And the cloud platform access system is simple and standardized, the data transmission quantity is saved, and the waste of network bandwidth resources is avoided.
Further, the virtual model subsystem (3) comprises:
the data extraction module (31) is connected with the data acquisition module (1) and is used for extracting the equipment information of the physical equipment, and the equipment information comprises equipment basic information and equipment parameter information;
a device virtual module (32) connected to the data extraction module (31) and configured to establish and store a virtual device corresponding to the newly accessed physical device based on the device basic information, and generate a virtual device unique identifier to correspond to the physical device (6) one to one;
and the model establishing module (33) is respectively connected with the equipment virtual module (32) and the data extraction module (31) and is used for establishing an application model based on at least one virtual equipment and corresponding equipment parameter information.
Further, the cloud platform access system further comprises a storage module (34) which is respectively connected with the device virtual module (32) and the model establishing module (33) and is further used for storing the established physical model and the application instance corresponding to the physical model;
the data extraction module (31) is also used for extracting the surrounding environment information of the newly accessed physical equipment;
the device virtual module (32) is used for constructing a virtual device based on the device basic information and the surrounding environment information;
the model building module (33) is connected with the storage module (34), and the model building module (33) comprises:
a first acquisition unit (331) for acquiring at least one virtual device forming device combination from the storage module (34);
the first processing unit (332) is connected with the first obtaining unit (331) and is used for carrying out abstract processing on the basic information of the equipment and the surrounding environment information based on a first preset algorithm so as to obtain the model characteristics;
a first matching unit (333) connected with the first processing unit (332) and used for matching the model characteristics with the storage module (34) according to the model characteristics;
the second processing unit (334) is connected with the first matching unit (333) and used for performing abstract processing on parameter information of each device in the device combination based on a second preset algorithm to obtain a parameter abstract processing result when the physical model matching is successful;
the second matching unit (335) is connected with the second processing unit (334) and is used for matching the application instance corresponding to the successfully matched physical model in the storage module (34) according to the parameter abstraction processing result;
the first establishing unit (336) is connected with the second matching unit (335) and is used for establishing an application model based on the successfully matched application instance and the parameter information of each device in the device combination when the application instance is successfully matched;
and the first association unit (337) is connected with the first establishing unit (336) and is used for associating the application model with each virtual device unique identifier in the device combination and storing the application model in the storage module (34).
Specifically, the physical model refers to a model architecture description of a device combination including at least one virtual device, and the application instance refers to a process description for carrying out application model establishment by bringing parameters based on the physical model; the application model refers to a description for processing data transferred between the physical device (6) and the cloud platform (5).
Specifically, the virtual model subsystem (3) constructs a model of the physical device through descriptions of two aspects of device description and capability modeling, wherein on one hand, the device description mainly refers to the virtual device and mainly refers to abstract descriptions of basic device information, peripheral environment information and other special requirement information of the physical device. The basic information of the equipment comprises information such as manufacturer, equipment model, equipment type, physical characteristics, production time and the like. The surrounding environment information comprises spatial position information, such as longitude and latitude information description, altitude information description and physical equipment relative spatial position description, and the surrounding environment information comprises environment information, such as number description of surrounding physical equipment and representation description of specific environment. The data extraction module (31) employs network technology to obtain the ambient environment information. The data extraction module (31) is also used for acquiring the number of the same type of equipment from the storage module (34) as information to form virtual equipment.
On the other hand, in the aspect of capability modeling, the capability modeling mainly comprises two aspects of equipment parameter information and model function information, wherein the equipment parameter information comprises equipment initialized parameter description, equipment parameter description during operation and adjustment parameter description, the model function information comprises function implementation description, precision implementation description, physical model description and application instance description, the physical model is a model framework established on the basis of the function implementation description and the precision implementation description, and the application instance description refers to process description for establishing the application model by fusing the equipment parameter information and the physical model, so that a standard application model is conveniently established for equipment combination of at least one virtual equipment.
Specifically, the data acquisition module (1) has a plurality of interfaces, and is connected to a plurality of physical devices, specifically, the physical devices include two newly connected water pumps, a virtual device is established for each water pump in the virtual model subsystem (3), and the water pumps belong to the same type of device, so that the same physical model is likely to be used, different application examples are likely to be established according to different water pump parameter information according to related parameter settings in the physical model, and different application models are further generated.
Further, the model building module (33) further comprises:
and the second establishing unit (338) is connected with the first matching unit (333) and is used for abstracting the basic information, the peripheral environment information and the equipment parameter information of the equipment in the equipment combination based on a third preset algorithm and generating a new physical model when the physical model matching fails.
Further, the model building module (33) further comprises:
the third establishing unit (339) is connected with the second matching unit (335) and used for establishing a new application instance according to the parameter abstraction processing result when the application instance fails to be matched or based on the newly established physical model, and associating the newly established physical model with the application instance and storing the newly established physical model and the application instance in the storage module (34);
and the first establishing unit (336) is connected with the second matching unit (335) and is further used for establishing an application model based on the successfully matched application instance and the parameter information of each device in the device combination when the application instance is successfully matched.
Specifically, the application instance matching failure or the newly established physical model indicates that no corresponding application instance exists, and at this time, a new application instance is established based on the device parameter information and the corresponding physical model, so as to establish the application model.
Further, the data acquisition module (1) is used for acquiring acquired data of physical equipment connected with each interface during operation;
the virtual model subsystem (3) further comprises:
the first distribution module (35) is used for distributing the corresponding application model for the acquired data;
the first data processing module (36) is respectively connected with the first distribution module (35) and the storage module (34) and is used for calling corresponding application models, and the application models perform coupling processing on the acquired data to form packed data;
the cloud platform access module (4) is used for sending the packed data to the cloud platform (5).
Specifically, the first data processing module (36) also preprocesses the collected data of the physical device to form metadata, and assigns the metadata to different types of application models for data coupling processing.
Further, the virtual model subsystem (3) further comprises:
the second distribution module (37) is used for distributing a corresponding application model for the issued data of the cloud platform (5);
the second data processing module (38) is respectively connected with the second distribution module (37) and the storage module (34) and is used for calling corresponding application models, and the application models analyze and process the issued data to form physical data and acquire corresponding unique identifiers of the virtual devices;
the query module (39) is connected with the second data processing module (38) and used for searching a corresponding connection interface of the physical equipment (6) in the data acquisition module (1) based on the unique identifier of the virtual equipment;
the data acquisition module (1) sends the physical data to corresponding physical equipment.
Further, the virtual model subsystem (3) further comprises a registration generating module (301) connected with the storage module (34) and used for generating registration information for the newly established virtual device;
the platform access module (4) comprises:
and the registration request interface unit (41) is used for packaging and sending the registration information of the virtual equipment to the cloud platform (5) and receiving the feedback information which is sent by the cloud platform (5) and added with the virtual equipment.
Further, the platform access module (4) further comprises:
and the state updating interface unit (42) is used for sending the heartbeat packet to the cloud platform (5) and receiving the state information of the virtual equipment on the cloud platform (5) fed back by the cloud platform (5).
Further, the platform access module (4) further comprises:
and the command request interface unit (43) is used for receiving a command request issued by the cloud platform (5), analyzing and forwarding the command request to the virtual model subsystem (3), and sending feedback information to the cloud platform (5) after the virtual model subsystem (3) completes processing.
Further, the cloud platform access module (4) further comprises:
and the data sending interface unit (44) is used for regularly sending the collected data processed by the virtual model subsystem (3) to the cloud platform (5) according to preset configuration information.
Further, the cloud platform access module (5) further comprises other command interaction units, and the other command interaction units are used for completing tasks of the cloud platform (5) such as control management and firmware upgrade of the physical device (6).
Specifically, the cloud platform access module (4) completes task modules such as registration, updating, data reporting and receiving, command request and the like of the virtual equipment on the cloud platform, and in order to improve the compatibility and the portability of the modules on the cloud platform, the interface of the platform access module (4) is packaged and modularized.
Referring to fig. 7, a cloud platform access method for a data acquisition device, which uses the cloud platform access system for a data acquisition device, includes the following steps:
a1, monitoring whether a new physical device (6) is accessed to an interface of the data acquisition module (1), and generating an information acquisition command when the new physical device (6) is accessed to the interface of the data acquisition module (1);
step A2, acquiring the equipment information of the newly accessed physical equipment (6) according to the information acquisition command;
step A3, establishing virtual equipment corresponding to the newly accessed physical equipment (6) based on the equipment information, establishing an application model based on equipment combination including at least one virtual equipment, and performing association storage on the virtual equipment and the application model;
step A4, the data acquisition module (1) acquires the acquired data of the physical device (6), and the data is transmitted to the cloud platform (5) by the cloud platform access module (4) after being subjected to data coupling processing by the corresponding application model, or the issued data of the cloud platform (5) is received by the cloud platform access module (4), and is transmitted to the corresponding physical device (6) after being subjected to analysis processing by the application model.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a cloud platform access system of data acquisition equipment which characterized in that includes:
the interface of the data acquisition module is used for accessing physical equipment;
the interface monitoring module is connected with the data acquisition module and used for monitoring whether a new physical device is accessed to an interface of the data acquisition module or not, and generating an information acquisition command when the new physical device is accessed to the interface of the data acquisition module;
the data acquisition module is used for acquiring the equipment information of the newly accessed physical equipment according to the information acquisition command;
the virtual model subsystem is connected with the data acquisition module and used for establishing and storing virtual equipment corresponding to the newly accessed physical equipment based on the equipment information and establishing and storing an application model based on equipment combination comprising at least one virtual equipment;
the virtual model subsystem comprises a storage module, a storage module and a processing module, wherein the storage module is used for performing associated storage on the established virtual equipment and the application model;
the cloud platform access module is connected with the virtual model subsystem and used for realizing data transmission between the virtual model subsystem and the cloud platform;
the data acquisition module acquires the acquired data of the physical equipment, and the data is subjected to data coupling processing by the corresponding application model and then is sent to the cloud platform by the cloud platform access module;
and the issued data of the cloud platform is received by the cloud platform access module, is analyzed by the application model and is sent to the corresponding physical equipment.
2. The cloud platform access system of claim 1, wherein the virtual model subsystem comprises:
the data extraction module is used for extracting the equipment information of the physical equipment, and the equipment information comprises equipment basic information and equipment parameter information;
the device virtual module is connected with the data extraction module and used for establishing and storing virtual devices corresponding to the newly accessed physical devices based on the device basic information and generating unique identifiers of the virtual devices to be in one-to-one correspondence with the physical devices;
and the model establishing module is respectively connected with the equipment virtual module and the data extracting module and is used for establishing the application model based on at least one piece of virtual equipment and the corresponding equipment parameter information.
3. The cloud platform access system of a data acquisition device according to claim 2, further comprising a storage module, respectively connected to the device virtual module and the model building module, and further configured to store a physical model that has been built and an application instance corresponding to the physical model, where the physical model is a model architecture description of a device combination including at least one virtual device, and the application instance is a process description that is based on a parameter brought in by the physical model to build an application model; the application model refers to a description for processing data transferred between the physical device and the cloud platform;
the data extraction module is also used for extracting the surrounding environment information of the newly accessed physical equipment;
the device virtual module is used for constructing the virtual device based on the device basic information and the surrounding environment information;
the model building module comprises:
a first obtaining unit configured to obtain at least one virtual device forming device combination from the storage module;
the first processing unit is connected with the first acquisition unit and used for carrying out abstract processing on the basic information of the equipment and the information of the surrounding environment based on a first preset algorithm so as to acquire physical characteristics;
the first matching unit is connected with the first processing unit and used for matching a physical model with the storage module according to the physical characteristics;
the second processing unit is connected with the first matching unit and used for performing abstract processing on the parameter information of each device in the device combination based on a second preset algorithm to obtain a parameter abstract processing result when the physical model is successfully matched;
the second matching unit is connected with the second processing unit and used for matching the application instance corresponding to the successfully matched physical model in the storage module according to the parameter abstraction processing result;
the first establishing unit is connected with the second matching unit and used for establishing the application model based on the successfully matched application examples and the parameter information of each piece of equipment in the equipment combination when the application examples are successfully matched;
and the first association unit is connected with the first establishing unit and used for associating the application model with each virtual equipment unique identifier in the equipment combination and storing the association in the storage module.
4. The cloud platform access system of claim 3, wherein said model building module further comprises:
and the second establishing unit is connected with the first matching unit and used for performing abstraction processing on the basic equipment information, the surrounding environment information and the equipment parameter information in the equipment combination based on a third preset algorithm and generating a new physical model when the physical model matching fails.
5. The cloud platform access system of data collection devices of claim 3 or 4, wherein said model building module further comprises:
a third establishing unit, connected to the second matching unit, configured to establish a new application instance according to the result of the parameter abstraction processing when the application instance fails to be matched or based on the newly established physical model, associate the newly established physical model with the application instance, and store the associated physical model and the application instance in the storage module;
and the first establishing unit is further used for establishing the application model based on the successfully matched application instance and the parameter information of each piece of equipment in the equipment combination when the application instance is successfully matched.
6. The cloud platform access system of claim 1, wherein the data acquisition module is configured to acquire acquired data of the physical devices connected to the respective interfaces during operation;
the virtual model subsystem further comprises:
the first distribution module is used for distributing the corresponding application model for the acquired data;
the first data processing module is respectively connected with the first distribution module and the storage module and used for calling the corresponding application model, and the application model performs coupling processing on the acquired data to form packed data;
the cloud platform access module is used for sending the packed data to the cloud platform.
7. The cloud platform access system of claim 6, wherein said virtual model subsystem further comprises:
the second distribution module is used for distributing the corresponding application model for the issued data of the cloud platform;
the second data processing module is respectively connected with the second distribution module and the storage module and used for calling the corresponding application model, and the application model analyzes and processes the issued data to form physical data and acquires the corresponding unique identifier of the virtual equipment;
the query module is connected with the second data processing module and used for searching a corresponding connection interface of the physical equipment in the data acquisition module based on the unique identifier of the virtual equipment;
and the data acquisition module sends the physical data to the corresponding physical equipment.
8. The cloud platform access system of a data collection device of claim 1, wherein the virtual model subsystem further comprises a registration generation module, connected to the storage module, for generating registration information for the newly established virtual device;
the platform access module comprises:
and the registration request interface unit is used for packaging and sending the registration information of the virtual equipment to the cloud platform and receiving the feedback information which is sent by the cloud platform and added with the virtual equipment.
9. The cloud platform access system of claim 8, wherein the platform access module further comprises:
and the state updating interface unit is used for sending the heartbeat packet to the cloud platform and receiving the state information of the virtual equipment on the cloud platform fed back by the cloud platform.
10. A cloud platform access method for a data acquisition device, wherein the cloud platform access system for a data acquisition device according to any one of claims 1 to 9 is used, and comprises the following steps:
step A1, monitoring whether a new physical device is accessed to the interface of the data acquisition module, and generating an information acquisition command when the new physical device is accessed to the interface of the data acquisition module;
step A2, acquiring the equipment information of the newly accessed physical equipment according to the information acquisition command;
step A3, establishing virtual equipment corresponding to the newly accessed physical equipment based on the equipment information, establishing an application model based on equipment combination including at least one virtual equipment, and storing the virtual equipment and the application model in an associated manner;
step A4, the data acquisition module acquires the acquired data of the physical device, and the data is transmitted to the cloud platform by the cloud platform access module after being subjected to data coupling processing by the corresponding application model, or the issued data of the cloud platform is received by the cloud platform access module, is analyzed by the application model and is transmitted to the corresponding physical device.
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