CN115079653A - Intelligent factory management system based on LoRa wireless communication technology - Google Patents
Intelligent factory management system based on LoRa wireless communication technology Download PDFInfo
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- CN115079653A CN115079653A CN202210721477.3A CN202210721477A CN115079653A CN 115079653 A CN115079653 A CN 115079653A CN 202210721477 A CN202210721477 A CN 202210721477A CN 115079653 A CN115079653 A CN 115079653A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
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- 238000007726 management method Methods 0.000 claims description 43
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 6
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
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- G05B2219/31088—Network communication between supervisor and cell, machine group
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Abstract
The invention provides an intelligent factory management system based on an LoRa wireless communication technology. The system mainly comprises two parts: the system comprises a data monitoring system of a lower computer of the Internet of things and management system client software. The lower computer data monitoring system adopts a mode of an external sensor and a controller, realizes the real-time acquisition and transmission of the working data of each machine in a factory and the safe operation condition of a workshop in the factory, and carries out primary judgment on faults to finish the early warning and emergency shutdown processing of the faults; the management system client software mainly realizes that the working state and the workshop condition of each machine are displayed to a user in a graphical mode through the management software at the PC end, and meanwhile, the user can carry out instruction control on a lower computer through the client software.
Description
Technical Field
The invention relates to an intelligent factory management system based on a LoRa wireless communication technology, and belongs to the technical field of Internet of things and industrial informatization.
Background
With the advent of the internet of things era, the construction of intelligent and informatization factories becomes a new mode of factory management in a new era. A large number of old machines in a traditional factory do not have the modern state monitoring and data transmission functions, and the replacement of the existing machines in the factory in large quantities not only brings about a large amount of financial consumption, but also seriously affects the productivity of the company in the machine upgrading process. So in order to realize the traditional factory intelligentized and informationized management. The traditional factory still repeats the operation of repeated field inspection on the quality and the running condition of the machine every day when managing the machine, and inspectors still have great errors on the inspection of the machine and the inspection result of a professional instrument through naked eyes, so that safety accidents are easily caused after the potential safety problems are accumulated day by day, and the loss of manpower and material resources is caused.
Disclosure of Invention
The invention aims to provide an intelligent factory management system based on an LoRa wireless communication technology, which realizes remote management and real-time monitoring of the working state and the safety state of a machine in a factory.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an intelligent factory management system based on an LoRa wireless communication technology comprises two parts: a data monitoring system of a lower computer of the Internet of things and a management system client,
the data monitoring system of the lower computer of the Internet of things adopts a mode of an external sensor and a controller to realize the real-time acquisition and transmission of the working data of each machine in a factory and the safe operation condition of a workshop in the factory, and preliminarily judges the fault to finish the early warning and the emergency shutdown processing of the fault;
the management system client and the PC terminal show the working state and the workshop condition of each machine to the user in a graphical mode through management software, and the user can perform instruction control on the lower computer through client software.
The lower computer data monitoring system of the Internet of things comprises: the system comprises a data acquisition platform and an LORA data wireless transmission platform, wherein the data acquisition platform realizes data monitoring on the working state of machines in a factory and the safety production condition in the factory in a multi-sensor fusion mode, and sends sensor data to an LORA terminal device through a 485 bus;
the LORA data wireless transmission platform realizes wireless transparent transmission of data in an LORA networking mode;
the management system client comprises: data transmission protocol analysis, a system login interface, visual management and data storage;
the data transmission protocol analysis is responsible for processing the terminal data, and the analyzed data is displayed in management software;
the visual management displays the internal state of the factory and the running state of the machine;
the data store is responsible for the saving of historical data and the generation of reports.
Preferably, the data acquisition platform consists of a factory machine acquisition terminal and a factory workshop monitoring terminal;
the factory machine data acquisition terminal comprises a vibration sensor, a displacement sensor, a counting sensor, a key structure stress strain sensor, a motor temperature sensor, a master control MCU, a power supply relay and a LoRA terminal;
the factory workshop monitoring terminal comprises a smoke sensor, a flame sensor, a video monitor, a general brake relay and a LoRA terminal to complete monitoring of safety production in a workshop.
Preferably, the data transmission is performed between the data acquisition terminal and the management system client through a data transmission protocol, where the data transmission protocol is as follows: the data transmission method comprises the steps that a data start frame FF, the number of sensors, a serial number, a data length, data and an end frame BB of one byte are sequentially arranged, the serial number, the data length and the data are added circularly according to the number of the sensors, CRC16 verification is carried out on all data frames, and a verification code is stored in the last two bytes of a transmission protocol.
The invention has the advantages that: this application is through various data transmission to the server host computer of loRa low-power consumption wide area network with the production field, by the data analysis, processing and the show of server host computer to the scene, realize the intelligent and information-based management to traditional industrial field, realize remote management and the real time monitoring of machine operating condition and safe state in the mill.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic diagram of the lower computer data acquisition system according to the present invention
Fig. 3 is a schematic diagram of a terminal architecture according to the present invention.
Fig. 4 is a schematic structural diagram of the data acquisition terminal of the present invention.
FIG. 5 is a schematic diagram of the general architecture of the client software 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.
4.1 lower computer data acquisition system overall architecture
As shown in fig. 4, the diagram is mainly composed of two parts, namely a data acquisition platform and a LORA data wireless transmission platform.
1) The data acquisition platform realizes the data monitoring of the working state of the machine in the factory and the safety production condition in the factory through a multi-sensor fusion mode. And sends the sensor data to the LORA terminal device through the 485 bus.
The 2 LORA data wireless transmission platform realizes wireless transparent transmission of data in a LORA networking mode, and overcomes the defect that long-distance wired transmission needs wiring.
4.2 data acquisition terminal architecture
The data acquisition platform consists of a factory machine acquisition terminal and a factory workshop monitoring terminal.
1) The plant machine data acquisition terminal is composed of a vibration sensor, a displacement sensor, a counting sensor, a key structure stress strain sensor, a motor temperature sensor, a main control MCU, a power relay and a LoRA terminal.
2) And the factory workshop monitoring terminal uses a smoke sensor, a flame sensor, video monitoring, a main brake relay and a LoRA terminal to complete the monitoring of safety production in the workshop.
In the data acquisition platform, after the data acquired by the sensor exceeds a safety threshold, the MCU of the lower computer triggers an active emergency processing mechanism, for example, a relay is controlled to realize the operations of machine halt, workshop power failure and the like, and safety alarm is carried out on client software. In the using process, each machine uses one data acquisition terminal.
As shown in fig. 3, the factory machine data acquisition terminal adopts an external sensor to acquire the machine working data.
4.3 management System client
4.3.1 management System client Overall architecture
FIG. 4 shows an overall architecture of client software of the intelligent plant management system. The analysis of a data transmission protocol, a system login interface and an intelligent factory visual management interface are completed in the design process of client software.
1) The data transmission protocol analysis solves the processing of a large amount of terminal data, and the analyzed data is displayed in management software. A system login interface is designed for ensuring the safety of the client.
2) The management of the intelligent factory adopts a visual mode to display the internal state of the factory and the running state of the machine, so that a manager can clearly see the data, and the time for daily safety inspection can be reduced.
3) In order to facilitate the enterprise to evaluate the production condition of the factory, historical data is stored in a database and is used for generating monthly or annual reports.
4.3.2 data transfer protocol
In order to realize the monitoring of the safe production condition of machines and workshops in a factory, each data terminal consists of a large number of sensors to form a sensing layer. In the whole factory management system, the sensing layer data needs to be combined according to a fixed transmission protocol. In the protocol design process, the sensors used by the sensing layer need to be numbered, so that data can be effectively managed and graphically displayed according to the sensor numbers when the client analyzes the protocol.
As shown in table 4.1, the number table of the sensors in the data acquisition terminal is shown.
TABLE 4.1 sensor numbering table
| Numbering | Sensor with a sensor element |
| 01 | Vibration sensor |
| 02 | Displacement sensor |
| 03 | Counting sensor |
| 04 | Stress strain sensor |
| 05 | Temperature sensor |
| 06 | Smoke sensor |
| 07 | Flame sensor |
| 08 | Relay with a movable contact |
The layer-aware data transfer protocol is shown in table 4.2:
TABLE 4.2 perception layer data transfer protocol
| FF | Sensor unitNumber of | Number 0 | Data length 0 | Data 0 | Number 1 | Data length 1 | Data 1 | … | BB | CRC16 |
And the data acquisition terminal and the factory management system client side perform data transmission according to the data transmission protocol, wherein the data transmission protocol comprises a data start frame and an end frame of one byte, CRC16 verification is performed on all data frames, and the check code is stored in the last two bytes of the transmission protocol.
4.3.3 factory management System Login interface
(1) Login interface
And (3) a client software login interface of the intelligent factory management system based on the Internet of things. The user needs to input the correct account number and password in the interface to log in the client software.
(2) Production management
And the factory management system production management interface can check the production data of all the machines in the workshop, the on-off time of each machine every day and the serial number of operators by selecting the workshop.
(3) Security monitoring
The safety state monitoring result of every workshop in the factory, the safety state in every workshop is represented to the status indicator lamp above every workshop, and green shows safety in the workshop, and red shows that this workshop has appeared the safety problem. The abnormal information in the abnormal workshop can be checked through the workshop selection.
(4) Device management
A plant management system software client. At this point, the user may choose to view the collected data uploaded by the data collection interrupt on each machine in each plant, including the collection status and exception information for each sensor. And the power-off operation of the corresponding machine can be completed through a machine forced power-off button of the relay.
(5) Energy consumption management
The energy consumption management interface can obtain the power consumption statistical histogram of the current month-passed of the workshop through workshop inquiry, the function can enable a user to visually observe the power consumption condition of each workshop, and the day, month and year power consumption of the workshop can be displayed in a table form.
(6) Video monitoring
And a workshop video monitoring interface. The video data of the monitor is directly displayed in the software client of the factory management system, so that the real-time monitoring of the working condition of any workshop can be realized.
(7) Anomaly alarm
And after the data acquisition terminal sends abnormal data, the intelligent factory management system displays detailed abnormal information in the alarm interface, and a user can send a machine power-off instruction to a relay in the data acquisition terminal through a machine forced power-off button in the equipment management interface according to the abnormal information. After exception handling is completed, the user may perform a clear operation on the handled exception information.
Claims (3)
1. The utility model provides an intelligent factory management system based on loRa wireless communication technique which characterized in that includes two parts: a data monitoring system of a lower computer of the Internet of things and a management system client,
the data monitoring system of the lower computer of the Internet of things adopts a mode of an external sensor and a controller to realize the real-time acquisition and transmission of the working data of each machine in a factory and the safe operation condition of a workshop in the factory, and preliminarily judges the fault to finish the early warning and the emergency shutdown processing of the fault;
the management system client, the PC end displays the working state and workshop condition of each machine to the user in a graphical mode through management software, and the user can perform instruction control on the lower computer through client software;
the lower computer data monitoring system of the Internet of things comprises: the system comprises a data acquisition platform and an LORA data wireless transmission platform, wherein the data acquisition platform realizes data monitoring on the working state of machines in a factory and the safety production condition in the factory in a multi-sensor fusion mode, and sends sensor data to an LORA terminal device through a 485 bus;
the LORA data wireless transmission platform realizes wireless transparent transmission of data in an LORA networking mode;
the management system client comprises: data transmission protocol analysis, a system login interface, visual management and data storage;
the data transmission protocol analysis is responsible for processing the terminal data, and the analyzed data is displayed in management software;
the visual management displays the internal state of the factory and the running state of the machine;
the data store is responsible for the saving of historical data and the generation of reports.
2. The intelligent factory management system based on the LoRa wireless communication technology is characterized in that the data acquisition platform consists of a factory machine acquisition terminal and a factory workshop monitoring terminal;
the factory machine data acquisition terminal comprises a vibration sensor, a displacement sensor, a counting sensor, a key structure stress strain sensor, a motor temperature sensor, a master control MCU, a power supply relay and a LoRA terminal;
the factory workshop monitoring terminal comprises a smoke sensor, a flame sensor, a video monitor, a general brake relay and a LoRA terminal to complete monitoring of safety production in a workshop.
3. The intelligent factory management system based on the LoRa wireless communication technology of claim 1, wherein data transmission is performed between the data acquisition terminal and the management system client through a data transmission protocol, and the data transmission protocol is as follows: the data transmission method comprises the steps that a data start frame FF, the number of sensors, a serial number, a data length, data and an end frame BB of one byte are sequentially arranged, the serial number, the data length and the data are added circularly according to the number of the sensors, CRC16 verification is carried out on all data frames, and a verification code is stored in the last two bytes of a transmission protocol.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748546A (en) * | 2017-10-10 | 2018-03-02 | 江苏省邮电规划设计院有限责任公司 | A kind of factory's intelligent inspection system based on LoRa technologies |
| CN210007722U (en) * | 2019-07-03 | 2020-01-31 | 皖西学院 | Chemical plant visual safety monitoring system based on Internet of things |
| KR20200074652A (en) * | 2018-12-17 | 2020-06-25 | 김홍규 | Apparatus for Managing Smart Factory Data and Providing Platform Services |
| CN111478448A (en) * | 2020-05-16 | 2020-07-31 | 广州凤凰仪表有限公司 | Power distribution monitoring operation and maintenance system |
| CN212181635U (en) * | 2020-06-24 | 2020-12-18 | 湖北中烟工业有限责任公司 | Cigar tobacco fermentation humiture monitoring system based on LORA communication technology |
| CN112437064A (en) * | 2020-11-12 | 2021-03-02 | 深圳市银星智能科技股份有限公司 | Data transmission method, data reading method, device, equipment and storage medium |
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- 2022-06-24 CN CN202210721477.3A patent/CN115079653A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748546A (en) * | 2017-10-10 | 2018-03-02 | 江苏省邮电规划设计院有限责任公司 | A kind of factory's intelligent inspection system based on LoRa technologies |
| KR20200074652A (en) * | 2018-12-17 | 2020-06-25 | 김홍규 | Apparatus for Managing Smart Factory Data and Providing Platform Services |
| CN210007722U (en) * | 2019-07-03 | 2020-01-31 | 皖西学院 | Chemical plant visual safety monitoring system based on Internet of things |
| CN111478448A (en) * | 2020-05-16 | 2020-07-31 | 广州凤凰仪表有限公司 | Power distribution monitoring operation and maintenance system |
| CN212181635U (en) * | 2020-06-24 | 2020-12-18 | 湖北中烟工业有限责任公司 | Cigar tobacco fermentation humiture monitoring system based on LORA communication technology |
| CN112437064A (en) * | 2020-11-12 | 2021-03-02 | 深圳市银星智能科技股份有限公司 | Data transmission method, data reading method, device, equipment and storage medium |
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