CN113110218A - Remote monitoring system for dust removing equipment based on Internet of things and implementation method thereof - Google Patents
Remote monitoring system for dust removing equipment based on Internet of things and implementation method thereof Download PDFInfo
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- G05B19/00—Programme-control systems
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Abstract
The application discloses a remote monitoring system of dust removing equipment based on the Internet of things, which comprises dust removing equipment, a signal acquisition controller, an Internet of things platform and a remote management and fault diagnosis management module; the remote management and fault diagnosis management module comprises a data acquisition unit, an equipment information management unit, an equipment information database unit and an APP management unit. Has the following advantages: the system brings the dust removing equipment distributed in different regions into a unified management platform through the network, and the equipment provider carries out unified maintenance management on the dust removing equipment, so that the maintenance expenditure of a user can be effectively reduced, higher-quality service and use experience are provided for the client, service content can be extended for the equipment provider, and internet resources are fully utilized to realize value-added service.
Description
Technical Field
The invention relates to remote monitoring of electromechanical equipment, in particular to remote monitoring and fault diagnosis of dust removing equipment through the Internet of things, and belongs to the technical field of automation and intelligence of the electromechanical equipment.
Background
At present, the dust removing equipment is generally controlled locally, and equipment users need to maintain and manage the equipment by themselves, so that the equipment is neither professional nor convenient; many enterprises configure dust removal systems for some important production equipment, but the dust removal systems cannot be timely solved when the dust removal systems break down due to the fact that professional dust removal system maintenance personnel are not configured. For enterprises, many departments are involved in building internal networks, and the cost is high.
With the popularization of networks and the popularization of network technologies, a good technical foundation is provided for remote monitoring. After the remote monitoring system is applied, when the dust removal system breaks down, a professional technician of the dust removal system can analyze the fault in time through the Internet, and the fault is removed to recover the production.
However, when a fault occurs, a lot of time is needed to search the cause of the fault, for enterprises, a lot of time is not needed, improvement of a system is needed, and the fault diagnosis system has a function of self-diagnosing the fault, helps technicians to quickly find the cause of the fault, and quickly solves the problem of fault recovery production.
Disclosure of Invention
The invention aims to solve the technical problems and provides a remote monitoring system of dust removing equipment based on the Internet of things and an implementation method thereof, so that the following purposes are achieved:
1) operation monitoring: the method comprises the following steps of remotely monitoring and controlling the operation of related equipment distributed in different regions through the Internet;
2) maintaining and reminding according to time: counting the actual running time of the equipment on line, and automatically reminding maintenance personnel to perform maintenance when the actual running time is due;
3) and (4) maintenance reminding according to parameters: monitoring key parameters of equipment operation on line, and reminding maintenance when relevant performance parameters are reduced to a preset threshold value;
4) early warning of equipment faults: the operation indexes of key components of the equipment are monitored on line, the health condition of the equipment is predicted through an intelligent algorithm, early warning is given to the components which operate in a super-index mode, and equipment maintenance personnel can remotely stop the equipment if necessary;
5) and (3) equipment fault diagnosis: for the fault equipment, the artificial intelligence software analyzes the previous operation parameters, interacts with the questions and answers of maintenance staff, judges the fault reason and then gives maintenance suggestions.
In order to solve the technical problems, the invention adopts the following technical scheme:
a remote monitoring system of dust removing equipment based on the Internet of things comprises the dust removing equipment, a signal acquisition controller, an Internet of things platform and a remote management and fault diagnosis management module; the remote management and fault diagnosis management module comprises a data acquisition unit, an equipment information management unit, an equipment information database unit and an APP management unit;
the dust removal equipment is connected with a signal acquisition controller, the signal acquisition controller transmits data with the Internet of things platform through an MQTT protocol, the data are transmitted in the Internet of things platform through a data flow rule, and the Internet of things platform transmits the data with a remote management and fault diagnosis management module through the MQTT protocol.
The dust removal equipment is provided with a plurality of sensors, the sensors need to preset related sensors according to different targets and parameters of the remote management and fault diagnosis management module, the main detection targets of the sensors are bearing temperature, vibration, dust concentration and statistical actual operation time, and the remote management and fault diagnosis management module can conveniently perform fault early warning analysis on key parts of the bearing;
the remote management and fault diagnosis management module can perform maintenance reminding according to time according to the counted actual running time, and can perform maintenance reminding according to the change of actual performance parameters of the equipment, such as the power change of a main fan, the pressure difference change of an air inlet and an air outlet and the dust concentration change of the air outlet;
the signal acquisition controller comprises an information acquisition and preprocessing unit, a network connection and protocol unit and a remote control output unit;
the information acquisition and preprocessing unit acquires relevant parameters of the dust removing equipment through the sensor input interface and carries out preprocessing such as filtering and scale conversion;
the network connection and protocol unit provides a TCP/IP protocol to realize network connection, accesses the Internet of things through an MQTT protocol, issues the preprocessed equipment information to the Internet of things, and receives a control message sent by front-end equipment;
the remote control output unit is used for analyzing and executing the control message sent by the advanced user to realize the remote control of the equipment.
Further, the signal acquisition controller comprises a plurality of paths of 4-20 mA analog current input interfaces, an RS485 interface, an RS232 interface, an encoder interface and a switching value input interface, connection and signal acquisition of a sensor related to the dust removing equipment are achieved, data transmission is carried out through a network access interface and an Internet of things platform, for achieving remote control of the dust removing equipment, a plurality of paths of IO output interfaces are designed on the access equipment, an analog value output interface can be designed as required, and the remote control instruction is executed to achieve control over the equipment.
Further, the internet of things platform comprises a rule engine unit and a server subscription unit; the Internet of things platform is used for information transfer of console equipment in the information acquisition controller and the remote management and fault diagnosis management module, information transfer is carried out in the Internet of things platform through a data transfer rule, the data transfer rule is a mechanism for transferring message data in topic to other topic or other Aliskiu products for storage or processing, M2M communication between equipment can be realized, information required by the topic and the Topic is exchanged, and information exchange between the information acquisition controller and the console equipment is realized; the Aliskiu, the Tencent cloud, the Baidu cloud, the mobile communication platform, the Unicom platform and the like all provide access services of the Internet of things platform, and the Aliskiu Internet of things platform can be selected according to balance between the services and economy.
Furthermore, the data acquisition unit comprises a field data acquisition function, a data storage function and a fault diagnosis function, in order to realize online fault diagnosis, the latest equipment message data is called from the database, the equipment operation data is analyzed according to a json data format, the analyzed data is used for calculating a reliability function of evidence, then a D-S evidence theory algorithm is used for fusion, if the difference value between the two maximum target modes after fusion is greater than a certain threshold value, the target mode appears, the equipment operation data needs to be acquired and stored, meanwhile, the storage of the equipment full-life database can be realized, and data support is provided for the later improvement and the upgrade of the equipment; the acquired data are analyzed and processed through the cloud server, the operation condition of the dust removing equipment is analyzed, the abnormal phenomenon can be judged in time, and the judgment result is timely issued to the Internet of things platform and the user APP in a message form;
furthermore, the device management information unit comprises an authority management function and a maintenance recording function and is mainly responsible for management of the platform of the internet of things, including addition and deletion of products, addition and deletion of devices, device parameter and function management, customization and modification of services, downloading and management of data and settlement of fees;
the device information database unit comprises a device basic information function, a device data information function, a device history information function, a record maintaining information function, a primary user information function and a secondary user information function, and is mainly used for recording basic information and data information of the device, storing historical change and maintenance records of the device and facilitating later reference.
Furthermore, the APP management unit comprises an access authority function, a state real-time monitoring function, a historical data query function and a maintenance record query function, wherein the access authority management function can perform authorization level on the authority of the client of the access user, subscribe the state information, the equipment alarm information, the query equipment operation data and the acquisition equipment remote control right of the specified equipment through the message subscription unit according to the authorization level, and can perform free authorization or paid authorization for use according to the requirement; the APP management unit can subscribe and publish the related information of the equipment, serve an information subscription client and publish the client information with the permission to the equipment end; any equipment condition information and equipment alarm information issued by the Internet of things platform are received through the state real-time monitoring function, equipment operation data and maintenance records can be actively inquired, and remote control of equipment is achieved.
A realization method of a remote monitoring system of dust removing equipment based on the Internet of things comprises a remote management and fault diagnosis method, an APP remote monitoring method, a platform data circulation method of the Internet of things and a remote control method;
the remote management and fault diagnosis method comprises the following steps:
the Internet of things platform carries out data transmission with a remote management and fault diagnosis management module through an MQTT protocol, the remote management and fault diagnosis management module receives data and then transmits the data to a MYSQL database, the MYSQL database receives the data and then carries out data comparison, the system calls out the latest message data from the database and analyzes the device parameter data according to a json format, a D-S evidence theory algorithm is adopted for fault judgment and the fault judgment is displayed on a user display interface, the user display interface can also realize user management, a first-level user authority and a second-level user authority are selected, the remote control of the device and the real-time monitoring of the device are carried out, the state of the device is displayed, the user display interface can also carry out checking on device history information and maintenance information, and an APP access interface is provided.
Further, the APP remote monitoring method comprises the following steps:
after receiving external information, the data acquisition unit transmits the acquired data information to the online monitoring module, the fault diagnosis module and the MYSQL database, and the data information is used for displaying the equipment information of the dust removal equipment and the fault diagnosis result of the dust removal equipment on an APP interface;
the online monitoring module regularly accesses the data acquisition module to acquire data, the returned data are stored in the database, the latest equipment operation data in the database are called out when a user checks the data through a browser, and the historical data module queries out the historical information of the corresponding equipment in the database through SQL statements. The historical data module is used for enabling a user to check the variation trend of the equipment operation parameters in a graph form and predicting the future operation trend of the equipment;
the function of the App access interface module is to protect the security of the database, because the leakage of the account number and the password of the database may be caused when the App accesses the database, the data obtained by the system accessing the database is obtained through accessing the interface designed in the system.
Further, the data transfer method of the internet of things platform is used for data conversion in the internet of things platform and comprises the following steps:
the Internet of things platform is used for information exchange between the information acquisition controller and the console equipment, firstly, the virtual equipment A in the Internet of things platform is connected with the information acquisition controller, the virtual equipment A subscribes topics related to the console equipment, when the virtual equipment B connected with the console equipment publishes related information, the virtual equipment A receives the information sent by the virtual equipment B and transmits the information to the information acquisition controller, and the virtual equipment A and the virtual equipment B both have the functions of subscribing the topics and publishing the topics, so that data circulation is realized.
Further, the remote control method includes the steps of:
adopting a working mode of browser request and server response; a user sends a request when accessing information such as text, data, pictures, animations, video on demand, sounds and the like generated by a server on the Internet through a browser; after receiving the request, the server analyzes the URL and positions a related template, generates a corresponding file according to parameters in the URL and the template, sets the URL through a value attribute in a @ GetMapping annotation, and according to the analyzed URL, the system finds a method added with the specific annotation to operate, adds required data into a model, transfers the data to a specified front-end page, sends a response waiting for the browser to receive the response, analyzes and arranges the related resource file after the browser receives the response, and finally displays the file on the page.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the system brings the dust removing equipment distributed in different regions into a unified management platform through the network, and the equipment provider carries out unified maintenance management on the dust removing equipment, so that the maintenance expenditure of a user can be effectively reduced, higher-quality service and use experience are provided for the client, service content can be extended for the equipment provider, and internet resources are fully utilized to realize value-added service.
The operation state of the dust removing equipment is uniformly managed by a fault diagnosis program on the server, and when abnormal operation equipment is found, a manager is informed to process, so that the labor cost is effectively saved, and the efficiency is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a general block diagram of the system of the present invention;
FIG. 2 is a functional block diagram of a remote management and fault diagnosis management module according to the present invention;
FIG. 3 is a hardware structure diagram of the IO interface of the signal acquisition controller according to the present invention;
FIG. 4 is a flowchart illustrating the operation of the remote management and fault diagnosis method of the present invention;
FIG. 5 is a flow chart of the APP remote monitoring method of the present invention;
FIG. 6 is a working schematic diagram of the data transfer method of the Internet of things platform according to the invention;
fig. 7 is a flow chart of a remote control method of the present invention.
Detailed Description
Embodiment 1, as shown in fig. 1, a remote monitoring system for dust removing equipment based on the internet of things comprises dust removing equipment, a signal acquisition controller, an internet of things platform and a remote management and fault diagnosis management module; the remote management and fault diagnosis management module comprises a data acquisition unit, an equipment information management unit, an equipment information database unit and an APP management unit;
the dust removal equipment is connected with a signal acquisition controller, the signal acquisition controller transmits data with the Internet of things platform through an MQTT protocol, the data are transmitted in the Internet of things platform through a data flow rule, and the Internet of things platform transmits the data with a remote management and fault diagnosis management module through the MQTT protocol.
The dust removal equipment is provided with a plurality of sensors, the sensors need to preset related sensors according to different targets and parameters of the remote management and fault diagnosis management module, the main detection targets of the sensors are bearing temperature, vibration, dust concentration and actual operation time statistics, and the remote management and fault diagnosis management module is convenient to perform fault early warning analysis on key parts of the bearing.
The remote management and fault diagnosis management module can perform maintenance reminding according to time according to the counted actual running time, and can perform maintenance reminding according to the change of actual performance parameters of the equipment, such as the power change of a main fan, the pressure difference change of an air inlet and an air outlet and the dust concentration change of the air outlet.
The signal acquisition controller comprises an information acquisition and preprocessing unit, a network connection and protocol unit and a remote control output unit.
The information acquisition and preprocessing unit acquires relevant parameters of the dust removing equipment through the sensor input interface and carries out preprocessing such as filtering and scale conversion.
The network connection and protocol unit provides a TCP/IP protocol to realize network connection, accesses the Internet of things through an MQTT protocol, issues the preprocessed equipment information to the Internet of things, and receives a control message sent by the front-end equipment.
The remote control output unit is used for analyzing and executing the control message sent by the advanced user to realize the remote control of the equipment.
As shown in fig. 3, in order to meet the requirements of interfaces of different sensors, the hardware needs to be configured with multiple paths of 4-20 mA analog current input interfaces, RS485 interfaces, RS232 interfaces, encoder interfaces and switching value input interfaces, so as to realize connection and signal acquisition of the sensors related to the dust removing equipment, and transmit data with the internet of things platform through the network access interface; in order to realize the remote control of the dust removing equipment, the access equipment is designed with a plurality of paths of IO output interfaces, and analog output interfaces can be designed as required to execute remote control instructions and realize the control of the equipment.
The signal acquisition controller plays a role of a bridge between the equipment and the Internet of things, on one hand, the signal acquisition controller acquires and processes the information of the relevant sensor of the dust removing equipment and sends a control signal to the equipment according to the instruction of the user side; if the equipment controller has a relevant interface, necessary diagnosis and monitoring data can be directly extracted from the equipment controller and control information can be dispatched; on the other hand, an internet interface and an internet of things access protocol are provided to realize network connection; according to the requirement of a client on economy, intelligent diagnosis software such as fault early warning can be placed at the client, and the expenditure of the Internet of things and the cloud is saved.
The communication mode between the Internet of things platform and the information acquisition controller can be flexibly selected and adopted according to the conditions of an equipment installation site, and WAN, LAN, WIFI, 3G/4G and 5G are adopted.
The Internet of things platform comprises a rule engine unit and a server subscription unit; the Internet of things platform is used for information transfer of console equipment in the information acquisition controller and the remote management and fault diagnosis management module, information transfer is carried out in the Internet of things platform through a data transfer rule, the data transfer rule is a mechanism for transferring message data in topic to other topic or other Aliskiu products for storage or processing, M2M communication between equipment can be realized, information required by the topic and the Topic is exchanged, and information exchange between the information acquisition controller and the console equipment is realized; the Aliskiu, the Tencent cloud, the Baidu cloud, the mobile communication platform, the Unicom platform and the like all provide access services of the Internet of things platform, and the Aliskiu Internet of things platform can be selected according to balance between the services and economy.
As shown in fig. 2, the data acquisition unit includes a field data acquisition function, a data storage function and a fault diagnosis function, in order to implement online fault diagnosis, the latest device message data is called from the database, the device operation data is analyzed according to the json data format, the analyzed data is used to calculate a reliability function of evidence, then a D-S evidence theory algorithm is used for fusion, if the difference value between the two maximum target modes after fusion is greater than a certain threshold value, the target mode appears, the device operation data needs to be acquired and stored, meanwhile, the storage of the device full-life database can be implemented, and data support is provided for the later improvement and upgrade of the device; data obtained by analyzing and processing the cloud server are analyzed for the operation condition of the dust removing equipment, timely judgment can be made for abnormal phenomena, and the judgment result is timely issued to the Internet of things platform and the user APP in a message form.
The equipment management information unit comprises an authority management function and a maintenance recording function and is mainly responsible for management of the Internet of things platform, including addition and deletion of products, addition and deletion of equipment, equipment parameter and function management, customization and modification of services, downloading and management of data and settlement of expenses.
The device information database unit comprises a device basic information function, a device data information function, a device history information function, a record maintaining information function, a primary user information function and a secondary user information function, and is mainly used for recording basic information and data information of the device, storing historical change and maintenance records of the device and facilitating later reference.
The APP management unit comprises an access authority function, a state real-time monitoring function, a historical data query function and a maintenance record query function, the access authority management function can carry out authorization level on the authority of an access user client, and according to the authorization level, the APP management unit can subscribe the condition information of specified equipment, equipment alarm information, query equipment operation data and obtain the equipment remote control right through the message subscription unit and can carry out free authorization or paid authorization for use as required; the APP management unit can subscribe and publish the related information of the equipment, serve an information subscription client and publish the client information with the permission to the equipment end; any equipment condition information and equipment alarm information issued by the Internet of things platform are received through the state real-time monitoring function, equipment operation data and maintenance records can be actively inquired, and remote control of equipment is achieved.
A method for realizing remote monitoring of dust removing equipment based on the Internet of things comprises a remote management and fault diagnosis method, an APP remote monitoring method, an Internet of things platform data circulation method and a remote control method.
As shown in fig. 4, the remote management and fault diagnosis method includes the following steps:
the Internet of things platform carries out data transmission with a remote management and fault diagnosis management module through an MQTT protocol, the remote management and fault diagnosis management module receives data and then transmits the data to a MYSQL database, the MYSQL database receives the data and then carries out data comparison, the system calls out the latest message data from the database and analyzes the device parameter data according to a json format, a D-S evidence theory algorithm is adopted for fault judgment and the fault judgment is displayed on a user display interface, the user display interface can also realize user management, a first-level user authority and a second-level user authority are selected, the remote control of the device and the real-time monitoring of the device are carried out, the state of the device is displayed, the user display interface can also carry out checking on device history information and maintenance information, and an APP access interface is provided.
As shown in fig. 5, the APP remote monitoring method includes the following steps:
after the data acquisition unit receives external information, the data information transmission that will gather to on-line monitoring module, failure diagnosis module and MYSQL database for APP interface display monitors dust collecting equipment's equipment information and dust collecting equipment's failure diagnosis result, and MYSQL database preserves equipment information and maintenance and repair record, provides APP access interface, is used for carrying out the remote control of system.
The online monitoring module regularly accesses the data acquisition module to acquire data, the returned data are stored in the database, the latest equipment operation data in the database are called out when a user checks the data through a browser, and the historical data module queries out the historical information of the corresponding equipment in the database through SQL statements. The historical data module is used for enabling a user to check the variation trend of the operation parameters of the equipment in a graph form and predicting the future operation trend of the equipment.
The function of the App access interface module is to protect the security of the database, because the leakage of the account number and the password of the database may be caused when the App accesses the database, the data obtained by the system accessing the database is obtained through accessing the interface designed in the system.
As shown in fig. 6, the data transfer method of the internet of things platform is used for data conversion inside the internet of things platform, and includes the following steps:
the Internet of things platform is used for information exchange between the information acquisition controller and the console equipment, firstly, the virtual equipment A in the Internet of things platform is connected with the information acquisition controller, the virtual equipment A subscribes topics related to the console equipment, when the virtual equipment B connected with the console equipment publishes related information, the virtual equipment A receives the information sent by the virtual equipment B and transmits the information to the information acquisition controller, and the virtual equipment A and the virtual equipment B both have the functions of subscribing the topics and publishing the topics, so that data circulation is realized.
As shown in fig. 7, the remote control method includes the steps of:
adopting a working mode of browser request and server response; a user sends a request when accessing information such as text, data, pictures, animations, video on demand, sounds and the like generated by a server on the Internet through a browser; after receiving the request, the server analyzes the URL and positions a related template, generates a corresponding file according to parameters in the URL and the template, sets the URL through a value attribute in a @ GetMapping annotation, and according to the analyzed URL, the system finds a method added with the specific annotation to operate, adds required data into a model, transfers the data to a specified front-end page, sends a response waiting for the browser to receive the response, analyzes and arranges the related resource file after the browser receives the response, and finally displays the file on the page.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
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| CN114185316A (en) * | 2021-12-08 | 2022-03-15 | 山东中烟工业有限责任公司 | Fully-integrated monitoring and alarming system for distributed dust removing equipment |
| CN114866876A (en) * | 2022-05-07 | 2022-08-05 | 广东翔龙新能源有限公司 | Internet of things system for FFU |
| CN115002149A (en) * | 2022-04-29 | 2022-09-02 | 深圳国众智能有限公司 | System for improving construction diagnosis efficiency of Internet of things |
| CN115759768A (en) * | 2022-11-02 | 2023-03-07 | 四川轻化工大学 | Internet of things-based dinosaur device intelligent monitoring control system and control method |
| CN117061569A (en) * | 2023-10-11 | 2023-11-14 | 工福(北京)科技发展有限公司 | Internet of things-based industrial and social interaction digital information monitoring system |
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| CN114185316A (en) * | 2021-12-08 | 2022-03-15 | 山东中烟工业有限责任公司 | Fully-integrated monitoring and alarming system for distributed dust removing equipment |
| CN115002149A (en) * | 2022-04-29 | 2022-09-02 | 深圳国众智能有限公司 | System for improving construction diagnosis efficiency of Internet of things |
| CN115002149B (en) * | 2022-04-29 | 2024-05-28 | 深圳国众智能有限公司 | System for promote thing networking construction diagnostic efficiency |
| CN114866876A (en) * | 2022-05-07 | 2022-08-05 | 广东翔龙新能源有限公司 | Internet of things system for FFU |
| CN115759768A (en) * | 2022-11-02 | 2023-03-07 | 四川轻化工大学 | Internet of things-based dinosaur device intelligent monitoring control system and control method |
| CN117061569A (en) * | 2023-10-11 | 2023-11-14 | 工福(北京)科技发展有限公司 | Internet of things-based industrial and social interaction digital information monitoring system |
| CN117061569B (en) * | 2023-10-11 | 2024-03-29 | 工福(北京)科技发展有限公司 | Internet of things-based industrial and social interaction digital information monitoring system |
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