CN111026061A - Driving end control system and method based on LoRa wireless technology - Google Patents
Driving end control system and method based on LoRa wireless technology Download PDFInfo
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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
- 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
- G05B2219/33—Director till display
- G05B2219/33139—Design of industrial communication system with expert system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention provides a traveling crane end control system and a method thereof based on a LoRa wireless technology, wherein the system comprises the following steps: a driving end control substation; the LoRa main station is connected with the driving end control substation; and the upper computer is connected with the LoRa main station, and the upper computer obtains a control signal sent by the driving end control substation through the LoRa main station. The technical problems that control signals are not transmitted timely, interference is large, and operation of a production management system is greatly affected in the prior art are solved. The technical effects that the interior special operating environment of a workshop driving cab is fully considered during design, the convenience and the high efficiency of the terminal user intervention and operation production management system under the special working environment of the driving driver are improved, the system operation is simple and convenient, all the components run stably and reliably, and wireless control signals of the driving end are not interfered by the field environment are achieved.
Description
Technical Field
The invention relates to the technical field of signal transmission of a driving end controller, in particular to a driving end control system and a driving end control method based on a LoRa wireless technology.
Background
Traveling cranes (crown blocks) are used in modern factory workshops to transport materials, with the arrival of the industrial 4.0 era, the functions of industrial production systems are increasingly improved, equipment in areas communicate with other equipment and interact with a more centralized controller according to needs, most of traveling crane drivers communicate with workshop dispatching managers at present in an interphone mode to conduct, response delay, wrong response and the like occur, and therefore the situation that production software system data are inconsistent with field actual performance is caused. At present, the control signal of the vehicle end is mainly transmitted through wired signals such as RS-485 serial, a wired local area network and the like, and although the wired transmission mode is high in efficiency, the defects that the line of the vehicle end is difficult to modify, the vehicle moves day by day and month, the cable is abraded and the like exist. Although the traditional wireless WIFI network can be deployed on a traveling crane, the effective transmission distance is short, the interference caused by the environment is serious, and most of electrical appliances and wireless devices in the production area environment use 2.4G frequency bands, so that the wireless environment is crowded, the mutual interference is large, and the experience is poor.
However, the applicant of the present invention finds that the prior art has at least the following technical problems:
the technical problems of untimely control signal transmission, large interference and great influence on the operation of a production management system exist in the prior art.
Disclosure of Invention
The embodiment of the invention provides a traveling crane end control system based on an LoRa wireless technology and a method thereof, which solve the technical problems of untimely control signal transmission, large interference and great influence on the operation of a production management system in the prior art.
In view of the foregoing problems, embodiments of the present application are provided to provide a system and a method for controlling a vehicle end based on an LoRa wireless technology.
In a first aspect, the present invention provides a traveling crane end control system based on an LoRa wireless technology, where the system includes: a driving end control substation; the LoRa main station is connected with the driving end control substation; the upper computer, the upper computer with the loRa main website is connected, wherein, the upper computer passes through the loRa main website obtains the control signal that driving end control sub-station sent.
Preferably, the vehicle end control substation includes: a control member; the LoRa submachine module is connected with the control piece; the substation antenna is connected with the LoRa submachine module; and the substation power supply module is connected with the control piece and the LoRa submachine module.
Preferably, the LoRa master station includes: a LoRa host module; the master station antenna is connected with the LoRa host module; the network switch is connected with the master station antenna; and the master station power supply module is connected with the LoRa host module.
Preferably, the upper computer includes: an industrial personal computer; the switch, the switch with the industrial computer is connected.
Preferably, the system further comprises: and the production management system is connected with the upper computer.
Preferably, the production management system includes: an application client; a management switch connected with the application client; a server connected with the management switch.
Preferably, the production management system further includes: a display unit connected with the management switch.
Preferably, the display unit is a large-screen billboard.
Preferably, the number of the application clients is multiple.
Preferably, the plurality of application clients are connected in parallel.
Preferably, the control member is a control knob box.
Preferably, the vehicle end control substation further includes: and the traveling crane power supply is connected with the substation power supply module.
Preferably, the output voltage of the driving power supply is 220V.
Preferably, the output voltage of the power supply module is 12V.
Preferably, the traveling terminal control substations are plural and are respectively connected to the LoRa master station.
Preferably, the traveling terminal control substation is connected with the LoRa master station in a wireless manner through the substation antenna and the master station antenna.
Preferably, the LoRa master station further includes: and the master station power supply is connected with the master station power supply module and the network switch.
Preferably, the output voltage of the main station power supply is 220V.
Preferably, the production management system is connected with the upper computer through a network cable.
Preferably, the upper computer is connected with the LoRa master station through a network cable.
In a second aspect, the present invention provides a method for controlling a driving end based on an LoRa wireless technology, where the method is applied to the system, and the method includes: obtaining a control signal of the driving end control substation; the control signal is wirelessly transmitted through the substation antenna and is sent to the LoRa host module; the LoRa host module transmits the received control signal to the upper computer through a wired network; the upper computer monitors the control signal through a wired network, converts the control signal into software readable data according to a communication protocol and outputs the software readable data; and performing corresponding operation according to the software readable data, and feeding back a result value to the production management system.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. the embodiment of the invention provides a traveling crane end control system based on a LoRa wireless technology, which comprises: a driving end control substation; the LoRa main station is connected with the driving end control substation; the upper computer, the upper computer with the loRa main website is connected, wherein, the upper computer passes through the loRa main website obtains the control signal that driving end control sub-station sent. Based on present ripe internet of things LoRa wireless communication technology, the special operating environment in workshop driving cab has fully been considered during the design, improve the terminal user under this kind of special operational environment of driving driver and intervene and operate production management system's convenience, high efficiency, system operation is simple and convenient, each part operation is reliable and stable, the wireless control signal of driving end is not disturbed by site environment, and utilize customization button part among the implementation process, the degree of difficulty that carries out driving transformation for realizing data transmission between driving end control and the server side has significantly reduced, driving end transformation engineering volume and cost have been reduced. Therefore, the technical problems that control signals are not transmitted timely, interference is large, and operation of a production management system is greatly influenced in the prior art are solved.
2. The embodiment of the invention provides a driving end control method based on an LoRa wireless technology, which is applied to the system, and comprises the following steps: obtaining a control signal of the driving end control substation; the control signal is wirelessly transmitted through the substation antenna and is sent to the LoRa host module; the LoRa host module transmits the received control signal to the upper computer through a wired network; the upper computer monitors the control signal through a wired network, converts the control signal into software readable data according to a communication protocol and outputs the software readable data; and performing corresponding operation according to the software readable data, and feeding back a result value to the production management system. The wireless control system is simple to operate, all the components run stably and reliably, wireless control signals are not interfered by the field environment, and the customized button components are combined in the implementation process, so that the engineering quantity and the difficulty of transformation for realizing data transmission between the control of the driving end and the service end are reduced. Therefore, the technical problems that control signals are not transmitted timely, interference is large, and operation of a production management system is greatly influenced in the prior art are effectively solved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a schematic structural diagram of a driving end control system based on an LoRa wireless technology according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a driving end control method based on the LoRa wireless technology in an embodiment of the present invention.
Description of reference numerals: the system comprises a driving end control substation 1, a LoRa main station 2, an upper computer 3 and a production management system 4.
Detailed Description
The embodiment of the invention provides a traveling crane end control system based on an LoRa wireless technology and a method thereof, which are used for solving the technical problems that control signals are not transmitted timely, interference is large, and great influence is caused on the operation of a production management system in the prior art.
The technical scheme provided by the invention has the following general idea:
a driving end control substation; the LoRa main station is connected with the driving end control substation; the upper computer, the upper computer with the loRa main website is connected, wherein, the upper computer passes through the loRa main website obtains the control signal that driving end control sub-station sent. The technical effects of the technical scheme are that the IOT (Internet of things) LoRa wireless communication technology based on current maturity is achieved, the special operating environment in the workshop driving cab is fully considered during design, the convenience for the terminal user under the special working environment of the driving driver to intervene and operate the production management system is improved, the efficiency is high, the system is simple and convenient to operate, all the parts are stable and reliable in operation, a wireless control signal of a driving end is not interfered by the field environment basically, customized button parts are utilized in the implementation process, the difficulty of driving transformation for realizing data transmission between the driving end control and a service end is greatly reduced, and the technical effects of the engineering quantity and the cost of driving end transformation are reduced.
It should be understood that, in the embodiment of the present invention, the LoRa wireless technology refers to an internet of things wireless technology, LoRa is a low-power wide area communication technology which has the greatest development prospect and has been applied to various industries, and LoRa uses a chirp spread spectrum modulation technology, so that while maintaining low power consumption, the communication distance and the network efficiency are significantly increased, interference is eliminated, and even if the same frequency is used for simultaneous transmission, no mutual interference is generated. The gateway developed on the basis of LoRa can receive and process data of a plurality of nodes in parallel, and system capacity is expanded. LoRa is a wireless technology, and is easier to communicate at a low power consumption long distance based on a Sub-GHz frequency band, and can be powered by a battery or other energy collection modes. Lower data rates also extend battery life and increase the capacity of the network. The LoRa signal also penetrates the building very strongly. The technical characteristics of LoRa are more suitable for low-cost large-scale deployment of the Internet of things.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Example one
Fig. 1 is a schematic structural diagram of a driving end control system based on an LoRa wireless technology in an embodiment of the present invention. As shown in fig. 1, an embodiment of the present invention provides a system for controlling a driving end based on an LoRa wireless technology, where the system includes: the traveling terminal control substation 1, the LoRa main station 2 and the upper computer 3.
The LoRa main station 2 is connected with the driving end control substation 1; the upper computer 3 is connected with the LoRa main station 2, wherein the upper computer 3 obtains the control signal sent by the traveling terminal control substation 1 through the LoRa main station 2.
Specifically, the driving end control substation 1 is connected with the upper computer 3 through the loRa main station 2, and control signals are effectively transmitted, the embodiment of the invention is based on the current mature IOT technology loRa wireless communication technology, the special operating environment inside a driving cab of a workshop is fully considered during design, and the system comprises the following three parts: the traveling terminal control substation 1, the LoRa main station 2 and the upper computer 3 system. In order to improve the convenience and the high efficiency of the terminal user intervention and operation of the production management system 4 under the special working environment such as a driving driver, and overcome the defects of a wired transmission mode, a wireless WIFI transmission mode and other transmission modes of system signals of a driving end and an upper computer 3. The system is simple and convenient to operate, all parts run stably and reliably, and wireless control signals at the driving end are basically not interfered by the field environment. In the implementation process, the customized button component is utilized, the difficulty of vehicle driving transformation for realizing data transmission between the vehicle driving end control and the service end is greatly reduced, and the engineering quantity and cost of vehicle driving end transformation are reduced. Therefore, the technical problems that control signals are not transmitted timely and interference is large and great influence is caused on operation of the production management system 4 in the prior art are solved.
Further, the traveling terminal control sub-station 1 includes: a control member; the LoRa submachine module is connected with the control piece; the substation antenna is connected with the LoRa submachine module; and the substation power supply module is connected with the control piece and the LoRa submachine module.
Further, the control member is a control knob box.
Further, the driving end control substation 1 further includes: and the traveling crane power supply is connected with the substation power supply module.
Further, the output voltage of the driving power supply is 220V.
Further, the output voltage of the power supply module is 12V.
Furthermore, the traveling terminal control substations 1 are multiple and are respectively connected with the LoRa master station 2.
Specifically, the driving end control substation 1 is composed of a control end knob box, a LoRa submachine module, a substation antenna and a power supply module, wherein the control end knob box on the driving is connected with the LoRa submachine module through a control signal line, and a switching value signal or an analog signal is sent out through the LoRa submachine module antenna. The control signal is generated through the operation of the control end knob box, the signal is sent to the LoRa sub-machine module through a control signal line, and the received control signal is wirelessly transmitted by the LoRa sub-machine module through the sub-station antenna.
Further, the LoRa master station 2 includes: a LoRa host module; the master station antenna is connected with the LoRa host module; the network switch is connected with the master station antenna; and the master station power supply module is connected with the LoRa host module.
Further, the LoRa master station 2 further includes: and the master station power supply is connected with the master station power supply module and the network switch.
Further, the output voltage of the main station power supply is 220V.
Furthermore, the traveling terminal control substation 1 is connected with the LoRa main station 2, and is wirelessly connected with the main station antenna through the substation antenna.
Specifically, the LoRa master station 2 is composed of an LoRa host module, a master station antenna, a network switch and a power supply module. The loRa sub-machine module is connected with the loRa main machine module through an antenna in a self-networking mode (433MHz frequency band), receives a control signal transmitted by the sub-station antenna to the LoRa sub-machine module, and is used for transmitting a driving end control signal and a feedback signal of the upper computer 3. The LoRa host module is connected with the upper computer 3 system through a wired network and sends the received driving end control signal to the upper computer 3 system.
Further, the upper computer 3 includes: an industrial personal computer; the switch, the switch with the industrial computer is connected.
Further, the upper computer 3 is connected with the LoRa master station 2 through a network cable.
Specifically, the upper computer 3 system is composed of an industrial personal computer and a switch. The upper computer 3 system monitors the driving end control signal acquired by the LoRa host computer module through a wired network, converts the driving end control signal into software readable data according to a communication protocol, and triggers corresponding operations predefined by a software layer, such as reading the weight of the current instrument, ending the current production plan and the like.
Further, the system further comprises: and the production management system 4 is connected with the upper computer 3.
Further, the production management system 4 includes: an application client; a management switch connected with the application client; a server connected with the management switch.
Further, the production management system 4 further includes: a display unit connected with the management switch.
Further, the display unit is a large screen billboard.
Further, the number of the application clients is multiple.
Further, the plurality of application clients are connected in parallel.
Further, the production management system 4 is connected with the upper computer 3 through a network cable.
Specifically, the production management system 4 is composed of a production system application server, a network switch, and each application client, and the data processed by the upper computer 3 is finally accessed to the production management system 4 through a wired network. The production management system 4 stores and executes the received feedback result, the production management system 4 is connected with a plurality of application clients through a management switch to realize unified management, and visual management operation is carried out through a large-screen billboard. Through present ripe internet of things LoRa wireless communication technology, the special operational environment in workshop driving cab has fully been considered during the design, and the wireless control signal of driving end does not receive site environment to disturb, improves convenience, the high efficiency that terminal user under this kind of special operational environment of driving driver intervenes and operates production management system 4, and system operation is simple and convenient, and each part moves reliable and stable.
Example two
Fig. 2 is a schematic flow chart of a driving end control method based on the LoRa wireless technology in an embodiment of the present invention. As shown in fig. 2, an embodiment of the present invention provides a method for controlling a driving end based on an LoRa wireless technology, where the method is applied to a system according to the first embodiment, and the method includes:
step 10: and obtaining a control signal of the driving end control substation 1.
Step 20: and the control signal is wirelessly transmitted through the substation antenna and is sent to the LoRa host module.
Step 30: the LoRa host module transmits the received control signal to the upper computer 3 through a wired network.
Step 40: the upper computer 3 monitors the control signal through a wired network, and converts the control signal into software readable data according to a communication protocol to output the software readable data.
Step 50: and performing corresponding operation according to the software readable data, and feeding back a result value to the production management system 4.
Specifically, a control end knob box on the traveling crane is connected with a LoRa submachine module through a control signal line, a switching value signal or an analog signal is sent out through an antenna of the LoRa submachine module, and the LoRa submachine module is connected with a LoRa host computer module through an antenna in an ad hoc network (433MHz frequency band) and used for transmitting a traveling crane end control signal and a feedback signal of an upper computer 3; the LoRa host module is connected with the upper computer 3 system through a wired network and sends the received driving end control signal to the upper computer 3 system; the upper computer 3 system monitors the driving end control signal acquired by the LoRa host computer module through a wired network, converts the driving end control signal into software readable data according to a communication protocol, triggers corresponding operations predefined by a software layer, such as reading the weight of a current instrument, finishing a current production plan and the like, and feeds a result value back to the production management system 4. The technical problems that control signals are not transmitted timely and interference is large and great influence is caused on operation of the production management system 4 in the prior art are solved.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. the embodiment of the invention provides a traveling crane end control system based on a LoRa wireless technology, which comprises: a driving end control substation; the LoRa main station is connected with the driving end control substation; the upper computer, the upper computer with the loRa main website is connected, wherein, the upper computer passes through the loRa main website obtains the control signal that driving end control sub-station sent. Based on present ripe internet of things LoRa wireless communication technology, the special operating environment in workshop driving cab has fully been considered during the design, improve the terminal user under this kind of special operational environment of driving driver and intervene and operate production management system's convenience, high efficiency, system operation is simple and convenient, each part operation is reliable and stable, the wireless control signal of driving end is not disturbed by site environment, and utilize customization button part among the implementation process, the degree of difficulty that carries out driving transformation for realizing data transmission between driving end control and the server side has significantly reduced, driving end transformation engineering volume and cost have been reduced. Therefore, the technical problems that control signals are not transmitted timely, interference is large, and operation of a production management system is greatly influenced in the prior art are solved.
2. The embodiment of the invention provides a driving end control method based on an LoRa wireless technology, which is applied to the system, and comprises the following steps: obtaining a control signal of the driving end control substation; the control signal is wirelessly transmitted through the substation antenna and is sent to the LoRa host module; the LoRa host module transmits the received control signal to the upper computer through a wired network; the upper computer monitors the control signal through a wired network, converts the control signal into software readable data according to a communication protocol and outputs the software readable data; and performing corresponding operation according to the software readable data, and feeding back a result value to the production management system. The wireless control system is simple to operate, all the components run stably and reliably, wireless control signals are not interfered by the field environment, and the customized button components are combined in the implementation process, so that the engineering quantity and the difficulty of transformation for realizing data transmission between the control of the driving end and the service end are reduced. Therefore, the technical problems that control signals are not transmitted timely, interference is large, and operation of a production management system is greatly influenced in the prior art are effectively solved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (21)
1. The utility model provides a driving end control system based on loRa wireless technology which characterized in that, the system includes:
a driving end control substation;
the LoRa main station is connected with the driving end control substation;
the upper computer is connected with the LoRa master station,
and the upper computer obtains a control signal sent by the traveling terminal control substation through the LoRa main station.
2. The system of claim 1, wherein the train-end control substation comprises:
a control member;
the LoRa submachine module is connected with the control piece;
the substation antenna is connected with the LoRa submachine module;
and the substation power supply module is connected with the control piece and the LoRa submachine module.
3. The system of claim 2, wherein the LoRa master station comprises:
a LoRa host module;
the master station antenna is connected with the LoRa host module;
the network switch is connected with the master station antenna;
and the master station power supply module is connected with the LoRa host module.
4. The system of claim 1, wherein the upper computer comprises:
an industrial personal computer;
the switch, the switch with the industrial computer is connected.
5. The system of claim 1, wherein the system further comprises:
and the production management system is connected with the upper computer.
6. The system of claim 5, wherein the production management system comprises:
an application client;
a management switch connected with the application client;
a server connected with the management switch.
7. The system of claim 6, wherein the production management system further comprises:
a display unit connected with the management switch.
8. The system of claim 7, wherein the display unit is a large-screen billboard.
9. The system of claim 6, wherein the application client is plural.
10. The system of claim 9, wherein the plurality of application clients are in parallel.
11. The system of claim 2, wherein the control is a control knob magazine.
12. The system of claim 2, wherein the train-end control substation further comprises:
and the traveling crane power supply is connected with the substation power supply module.
13. The system of claim 12, wherein the vehicle power supply output voltage is 220V.
14. The system of claim 12, wherein the output voltage of the power supply module is 12V.
15. The system of claim 1, wherein the plurality of terminal control substations are respectively connected to the LoRa master station.
16. The system of claim 3, wherein the drive-side control substation is connected to the LoRa Master station by a wireless connection to the Master station antenna through the substation antenna.
17. The system of claim 3, wherein the LoRa Master station further comprises:
and the master station power supply is connected with the master station power supply module and the network switch.
18. The system of claim 17, wherein the output voltage of the master station power supply is 220V.
19. The system of claim 5, wherein the production management system is connected to the host computer via a network cable.
20. The system of claim 1, wherein the host computer is connected to the LoRa master station via a network cable.
21. A method for controlling a driving end based on a LoRa wireless technology, applied to the system of any one of claims 1 to 20, the method comprising:
obtaining a control signal of the driving end control substation;
the control signal is wirelessly transmitted through the substation antenna and is sent to the LoRa host module;
the LoRa host module transmits the received control signal to the upper computer through a wired network;
the upper computer monitors the control signal through a wired network, converts the control signal into software readable data according to a communication protocol and outputs the software readable data;
and performing corresponding operation according to the software readable data, and feeding back a result value to the production management system.
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Application publication date: 20200417 |