CN110213733B - Internet of things system of electromagnetic hot melting welding machine - Google Patents
Internet of things system of electromagnetic hot melting welding machine Download PDFInfo
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- CN110213733B CN110213733B CN201910433713.XA CN201910433713A CN110213733B CN 110213733 B CN110213733 B CN 110213733B CN 201910433713 A CN201910433713 A CN 201910433713A CN 110213733 B CN110213733 B CN 110213733B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
Abstract
The invention relates to an Internet of things system of electromagnetic hot melting welding machines, which comprises one or more electromagnetic hot melting welding machines positioned in a basement and one or more LORA wireless gateways positioned on the ground, wherein each LORA wireless gateway establishes LORA wireless connection with the electromagnetic hot melting welding machines in the coverage range of the LORA wireless gateway, and each LORA wireless gateway also establishes wireless connection with a private server through a wireless network. The invention utilizes the characteristics of strong wireless signal penetration capability and long signal transmission distance of the LORA wireless technology, can be arranged in basements and underground garages, and solves the problem that the electromagnetic hot melting welding machine cannot be connected to the Internet in the basements.
Description
Technical Field
The invention belongs to the technical field of network systems, and particularly relates to an Internet of things system of an electromagnetic hot melting welding machine.
Background
Electromagnetic hot melt welders are often used in basements on construction sites, and the signals of mobile phones in the basements are poor, so that the welders cannot be connected to a private server. In order to enable the welder to be connected to a private server in a basement of a construction site, a novel electromagnetic hot melting welder internet of things network is developed.
Disclosure of Invention
The invention aims to provide an Internet of things system of an electromagnetic hot melting welder, which is used for solving the problem that the electromagnetic hot melting welder cannot be connected to the Internet in a basement.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electromagnetism hot melt welding machine thing allies oneself with network system which characterized in that: the system comprises one or more electromagnetic hot melting welding machines positioned in a basement and one or more LORA wireless gateways positioned on the ground, wherein each LORA wireless gateway is in wireless connection with the electromagnetic hot melting welding machines in the coverage range of the LORA wireless gateway, and each LORA wireless gateway is also in wireless connection with a private server through a wireless network.
Further, the electromagnetic hot melting welder, the LORA wireless gateway and the private server together form a wireless local area network, and the scheduling of the private server to the wireless local area network includes:
(1) each electromagnetic hot melting welding machine sends a wireless data packet to the outside;
(2) each LORA wireless gateway scans a wireless data packet to obtain a signal intensity value between each LORA wireless gateway and all electromagnetic hot melting welding machines, and arranges the signal intensity value into a signal intensity table between each LORA wireless gateway and all electromagnetic hot melting welding machines;
(3) establishing wireless connection according to a signal intensity table:
A. the electromagnetic hot melting welding machine which only has signals with one LORA wireless gateway in the signal intensity table is in wireless connection with the LORA wireless gateway, and the signal intensity table is refreshed once every time one wireless connection is established;
B. establishing wireless connection between the electromagnetic hot melting welding machines only having signals with the two LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; establishing wireless connection between the electromagnetic hot melting welding machine which only has signals with the three LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; establishing wireless connection between the electromagnetic hot melting welding machines which only have signals with the four LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; by analogy, the signal intensity table is refreshed once after the wireless connection is established until the electromagnetic hot melting welding machines with the largest number of LORA wireless gateways have signals and the LORA wireless gateways with the highest signal intensity establish wireless connection;
C. and returning to the step A to be executed circularly until each electromagnetic hot melting welder is connected with one LORA wireless gateway.
Further, when the signal strength is the same, the electromagnetic thermal fusion welding machine establishes wireless connection with any LORA wireless gateway.
Furthermore, be equipped with monitoring module, welding machine control module and LORA wireless communication module that are located on a bus on the main circuit board of electromagnetism hot melt welding machine, monitoring module is used for monitoring the running state of electromagnetism hot melt welding machine, welding machine control module is used for controlling the operation of electromagnetism hot melt welding machine, LORA wireless communication module is used for carrying out the data interaction with the LORA wireless gateway.
Further, the LORA wireless communication module operates in the 433MHZ frequency band.
Further, the LORA wireless gateway includes a 4G wireless network communication module, and the 4G wireless network communication module is configured to perform data interaction with a private server.
The beneficial effects of the invention are: the invention utilizes the characteristics of strong wireless signal penetration capability and long signal transmission distance of the LORA wireless technology, can be arranged in basements and underground garages, and solves the problem that the electromagnetic hot melting welding machine cannot be connected to the Internet in the basements. And the wireless gateways can coordinate to work through network scheduling, and network resources are reasonably distributed.
Drawings
Fig. 1 is a schematic diagram of an internet of things system of an electromagnetic hot-melting welder in an embodiment, in the diagram, a hollow far point in a ground LORA wireless gateway layer represents an LORA wireless gateway, and a solid far point in a basement electromagnetic hot-melting welder layer represents an electromagnetic hot-melting welder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings.
Take eight electromagnetic hot melting welding machines and four LORA wireless gateways as examples
The utility model provides an electromagnetism hot melting welding machine thing allies oneself with network system, includes eight electromagnetism hot melting welding machines that are located the basement and four LORA wireless gateways that are located ground, every LORA wireless gateway establishes LORA wireless connection with the electromagnetism hot melting welding machine in its coverage, and every LORA wireless gateway still establishes wireless connection through wireless network and private server, eight electromagnetism hot melting welding machines, four LORA wireless gateways and private server constitute a wireless local area network jointly. The distance between any two LORA wireless gateways is 50 meters to 100 meters, and eight electromagnetic thermal welding machines are placed within 300 meters of the LORA wireless gateways.
The electromagnetic hot-melting welding machine comprises a main circuit board, wherein a rectifying module, an inversion module, a monitoring module, a welding machine control module and an LORA wireless communication module are arranged on the main circuit board, the LORA wireless communication module works at a frequency band of 433MHZ, and the monitoring module, the welding machine control module and the LORA wireless communication module are positioned on a bus of the main circuit board; the monitoring module is used for monitoring the running state of the electromagnetic hot melting welding machine, the welding machine control module is used for controlling the running of the electromagnetic hot melting welding machine, and the LORA wireless communication module is used for carrying out data interaction with an LORA wireless gateway.
The LORA wireless gateway is provided with a 4G wireless network communication module, and the 4G wireless network communication module is used for data interaction with a private server.
The scheduling of the wireless local area network by the private server comprises:
(1) the eight electromagnetic hot-melting welding machines send advertisement wireless data packets to the outside through the LORA wireless communication modules (the advertisement wireless data packets can be scanned by all the LORA wireless communication modules);
(2) the four LORA wireless gateways scan the wireless data packets to obtain signal strength values between each LORA wireless gateway and all the electromagnetic hot melting welding machines, and the signal strength values are arranged into a signal strength table (shown in the table) between the four LORA wireless gateways and the eight electromagnetic hot melting welding machines;
the numbers in the table represent signal strength in DB, for example, the number 10 in the second row and column position in the table, the signal strength between the LORA wireless gateway No. 1 and the electromagnetic thermal welder No. 1 is 10DB, and so on. The NA in the table represents no signal, for example, the letter NA in the four columns of the second row in the table represents no wireless signal between the LORA wireless gateway No. 1 and the electromagnetic thermal fusion welding machine No. 3.
In the table, no wireless signal exists between the electromagnetic thermal welding machine No. 4 and the LORA wireless gateways No. 1, No. 2, No. 3, and No. 4, that is, it is stated that the electromagnetic thermal welding machine No. 4 is not in the wireless lan or is in a connected state. No wireless signal exists between No. 4 LORA wireless gateway and No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 7, No. 8 electromagnetic hot melting welding machines, namely, the No. 4 LORA wireless gateway is in a busy state.
(3) Establishing wireless connection according to a signal intensity table:
A. the electromagnetic hot melting welding machine which only has signals with one LORA wireless gateway in the signal intensity table is in wireless connection with the LORA wireless gateway, and the signal intensity table is refreshed once every time one wireless connection is established; after the electromagnetic hot-melting welding machine is connected with one LORA wireless gateway, the electromagnetic hot-melting welding machine only sends a point-to-point wireless data packet to the LORA wireless gateway, and the point-to-point wireless data packet cannot be scanned by other LORA wireless gateways; as shown in the table, the electromagnetic hot melting welder No. 5 establishes wireless connection with the LORA wireless gateway No. 3, or the electromagnetic hot melting welder No. 6 establishes wireless connection with the LORA wireless gateway No. 2;
B. establishing wireless connection between an electromagnetic hot melting welding machine which only has signals with two LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; as shown in the table, the electromagnetic hot melting welder No. 7 establishes wireless connection with the LORA wireless gateway No. 1;
C. establishing wireless connection between the electromagnetic hot melting welding machine which only has signals with the three LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; as shown in the table, the electromagnetic hot melting welder No. 1 establishes wireless connection with the LORA wireless gateway No. 1;
D. establishing wireless connection between the electromagnetic hot melting welding machine which only has signals with the four LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; as shown in the table, the electromagnetic hot melting welder No. 1 establishes wireless connection with the LORA wireless gateway No. 1;
E. and returning to the step A to be executed circularly until each electromagnetic hot melting welder is connected with one LORA wireless gateway.
When the signal intensity is the same, the electromagnetic hot melting welding machine establishes wireless connection with any LORA wireless gateway.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an electromagnetism hot melt welding machine thing allies oneself with network system which characterized in that: the system comprises one or more electromagnetic hot melting welding machines positioned in a basement and one or more LORA wireless gateways positioned on the ground, wherein each LORA wireless gateway is in wireless connection with the electromagnetic hot melting welding machines in the coverage range of the LORA wireless gateway, and each LORA wireless gateway is also in wireless connection with a private server through a wireless network;
the electromagnetic hot melting welding machine, the LORA wireless gateway and the private server jointly form a wireless local area network, and the scheduling of the private server to the wireless local area network comprises the following steps:
(1) each electromagnetic hot melting welding machine sends a wireless data packet to the outside;
(2) each LORA wireless gateway scans the wireless data packet to obtain a signal intensity value between each LORA wireless gateway and all electromagnetic hot melting welding machines, and the signal intensity value is arranged into a signal intensity table between each LORA wireless gateway and all electromagnetic hot melting welding machines;
(3) establishing wireless connection according to a signal intensity table:
A. the electromagnetic hot melting welding machine which only has signals with one LORA wireless gateway in the signal intensity table is in wireless connection with the LORA wireless gateway, and the signal intensity table is refreshed once every time one wireless connection is established;
B. establishing wireless connection between the electromagnetic hot melting welding machines only having signals with the two LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; establishing wireless connection between the electromagnetic hot melting welding machine which only has signals with the three LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; establishing wireless connection between the electromagnetic hot melting welding machine which only has signals with the four LORA wireless gateways in the signal intensity table and the LORA wireless gateway with the highest signal intensity, and refreshing the signal intensity table once after establishing the wireless connection; by analogy, the signal intensity table is refreshed once after the wireless connection is established until the electromagnetic hot melting welding machines with the largest number of LORA wireless gateways have signals and the LORA wireless gateways with the highest signal intensity establish wireless connection;
C. and returning to the step A to be executed circularly until each electromagnetic hot melting welder is connected with one LORA wireless gateway.
2. The system of claim 1, wherein the system comprises: when the signal intensity is the same, the electromagnetic hot melting welding machine establishes wireless connection with any LORA wireless gateway.
3. The system of claim 1, wherein the system comprises: the electromagnetic hot-melting welding machine is characterized in that a monitoring module, a welding machine control module and an LORA wireless communication module are arranged on a main circuit board of the electromagnetic hot-melting welding machine, the monitoring module is used for monitoring the running state of the electromagnetic hot-melting welding machine, the welding machine control module is used for controlling the running of the electromagnetic hot-melting welding machine, and the LORA wireless communication module is used for carrying out data interaction with an LORA wireless gateway.
4. The system of claim 3, wherein the system comprises: the LORA wireless communication module works in a 433MHZ frequency band.
5. The system of claim 1, wherein the system comprises: the LORA wireless gateway comprises a 4G wireless network communication module, and the 4G wireless network communication module is used for data interaction with a private server.
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