CN114157729A - Multi-functional pluggable thing networking module based on LoRaWAN communication - Google Patents
Multi-functional pluggable thing networking module based on LoRaWAN communication Download PDFInfo
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- CN114157729A CN114157729A CN202111481588.3A CN202111481588A CN114157729A CN 114157729 A CN114157729 A CN 114157729A CN 202111481588 A CN202111481588 A CN 202111481588A CN 114157729 A CN114157729 A CN 114157729A
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- 238000004891 communication Methods 0.000 title claims abstract description 173
- 230000006855 networking Effects 0.000 title claims description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- 239000003990 capacitor Substances 0.000 claims description 53
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 6
- 101100494773 Caenorhabditis elegans ctl-2 gene Proteins 0.000 claims description 4
- 101100112369 Fasciola hepatica Cat-1 gene Proteins 0.000 claims description 4
- 101100005271 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cat-1 gene Proteins 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y10/00—Economic sectors
- G16Y10/75—Information technology; Communication
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
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Abstract
The invention discloses a multifunctional pluggable internet of things module based on LoRaWAN communication, which comprises a pluggable pin circuit, a communication node device and a communication module, wherein the pluggable pin circuit is used for connecting a mainboard of the communication node device; the conversion circuit is electrically connected with the pluggable stitch circuit and adopts RS485 communication with the pluggable stitch circuit, and the conversion circuit converts the received RS485 communication into USART communication; the main control circuit is electrically connected with the conversion circuit, receives the USART communication sent by the conversion circuit, judges the specific communication protocol of the USART communication, and matches the corresponding communication module protocol; the communication module circuit is electrically connected with the main control circuit and receives the information matched with the specific communication protocol through the main control circuit so as to send the information to the outside; the invention has the advantages of strong flexibility, low cost, stability and reliability.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a multifunctional pluggable internet of things module based on LoRaWAN communication.
Background
With the continuous development and progress of the internet of things technology, various communication modes come into existence, such as the common communication modes of LoRa, Wifi, BlueTooth, 4G, 5G, NB, CAT1, etc., but the existing communication node communication mode is generally single. When different network communication modes exist in the same scene, the communication modes of the nodes are not matched, so that the communication nodes cannot be used, the nodes and other equipment need to be replaced, or various types of nodes are arranged, so that the cost is greatly increased, the management is troublesome, and the unified management is inconvenient. Moreover, the existing communication module scheme on the market is still focused on a communication mode, and free switching cannot be realized; therefore, in order to be compatible with the deployment of the internet of things in various scenes, multiple sets of gateways (an industrial router, a wifi gateway, a zigbee gateway, a bluetooth gateway, a lora gateway and the like) of the internet of things are generally deployed to realize compatible communication; however, the method is too high in cost, the gateway is generally large in size, an additional power supply is needed for supplying power, and the use is very inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multifunctional pluggable internet of things module based on LoRaWAN communication, and solves the problems in the background technology.
The technical scheme of the invention is as follows:
a multifunctional pluggable Internet of things module based on LoRaWAN communication comprises,
the pluggable pin circuit is used for connecting a mainboard of the communication node equipment;
the conversion circuit is electrically connected with the pluggable pin circuit, the conversion circuit and the pluggable pin circuit adopt RS485 communication, and the conversion circuit converts the received RS485 communication into USART communication;
the main control circuit is electrically connected with the conversion circuit, receives the USART communication sent by the conversion circuit, judges the specific communication protocol of the USART communication, and matches the corresponding communication module protocol;
and the communication module circuit is electrically connected with the main control circuit and receives the information matched with the specific communication protocol through the main control circuit so as to send the information to the outside.
Further, the main control circuit comprises an MCU chip, a 4 th pin and an 8 th pin of the MCU chip are respectively connected with a ninth capacitor and a tenth capacitor, the ninth capacitor and the tenth capacitor are grounded together, and the ninth capacitor and a line grounded by the tenth capacitor are simultaneously connected with a 7 th pin of the MCU chip.
Further, a plurality of communication protocols are stored in the MCU chip and serve as standard communication protocols, after the MCU chip receives USART communication sent by the conversion circuit, the USART communication serves as a communication protocol to be confirmed and is compared with the plurality of standard communication protocols stored in the MCU chip one by one, when the communication protocol to be confirmed and one standard communication protocol stored in the MCU chip are compared and are consistent, the communication protocol to be confirmed is confirmed to be a target communication protocol, and then the MCU chip sends the target communication protocol to the communication module circuit.
Further, the communication module circuit comprises a communication chip, a 6 th pin and a 7 th pin of the communication chip are respectively connected with a 12 th pin and a 13 th pin of the MCU chip, a 15 th pin of the communication chip is connected with a declination radio frequency module, a 13 th pin of the communication chip is connected with a sixth capacitor and a thirteenth capacitor which are connected in parallel, a 14 th pin of the communication chip is connected with a 13 th pin through a line, and a 11 th pin and a 12 th pin of the communication chip are grounded together.
Further, the conversion circuit comprises a conversion chip, a 12 th pin and a 11 th pin of the conversion chip are connected with a 1 st pin and a 2 nd pin of the MCU chip, the 1 st pin of the conversion chip is connected with a second capacitor, the other end of the second capacitor is connected with a 3 rd pin of the conversion chip, a 4 th pin of the conversion chip is connected with a third capacitor, the other end of the third capacitor is connected with a 5 th pin of the conversion chip, a 6 th pin of the conversion chip is connected with a fourth capacitor, the other end of the fourth capacitor is grounded, and the 2 nd pin of the conversion chip is connected with the first capacitor.
Further, the pluggable stitch circuit comprises a pluggable stitch, and the 14 th pin and the 13 th pin of the conversion chip are respectively connected to the 2 nd pin and the 3 rd pin of the pluggable stitch.
Furthermore, the main control circuit is connected with a plurality of expansion conversion interface circuits so as to be connected with a plurality of communication modules.
Further, the communication chip in the communication module circuit is one or more of LoRa, Wifi, Bluetooth, 4G, 5G, NB, CAT 1.
Advantageous effects
Compared with the prior art, the multifunctional pluggable internet of things module based on LoRaWAN communication provided by the invention has the following beneficial effects:
the multifunctional pluggable internet of things module based on LoRaWAN communication is used for connecting a mainboard of hardware node equipment through a pluggable pin circuit so as to replace a corresponding module; FS485 communication of the power-saving equipment is converted into USART communication through the conversion circuit, the USART communication is sent to the main control circuit to be analyzed and matched, the USART communication received from the conversion circuit is compared in protocol through the main control circuit, a corresponding communication protocol is matched, and then communication data of the corresponding protocol are sent through the communication module circuit; the communication module circuit can be selectively replaced as a whole, and different communication module circuits can be replaced according to different communication signal requirement scenes without replacing the whole hardware power-saving equipment; after any kind of communication protocol's signal transmission is for the converting circuit, send to master control circuit after the converting circuit conversion, master control circuit can all match into corresponding communication protocol through the analysis, sends away via communication module circuit again, has effectively improved the communication flexibility of this thing networking module.
According to the invention, various communication protocols are integrated into the main control circuit, and the butt joint of secondary development protocols is not needed, so that the development cost is effectively reduced; the purpose of realizing communication with various communication devices can be achieved through the Internet of things module, cost and fault points are reduced, and the communication function of the device is more stable and reliable.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a circuit schematic of the master control circuit of the present invention;
FIG. 3 is a schematic circuit diagram of a communication module circuit according to the present invention;
FIG. 4 is a circuit schematic of the conversion circuit of the present invention;
FIG. 5 is a schematic diagram of the pluggable pin circuit of the present invention.
In the figure: c1, a first capacitor, C2, a second capacitor, C3, a third capacitor, C4, a fourth capacitor, C6, a sixth capacitor, C9, a ninth capacitor, C10, a tenth capacitor, C13 and a thirteenth capacitor.
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.
As shown in fig. 1, a multifunctional pluggable internet of things module based on LoRaWAN communication includes,
the pluggable pin circuit is used for connecting a mainboard of the communication node equipment;
the conversion circuit is electrically connected with the pluggable pin circuit, the conversion circuit and the pluggable pin circuit adopt RS485 communication, and the conversion circuit converts the received RS485 communication into USART communication; since most of the power saving devices support RS485 communication, the RS485 communication is converted into USART communication through the conversion circuit, and of course, if the power saving devices support RS232 communication, the RS232 communication can also be converted into USART communication.
The main control circuit is electrically connected with the conversion circuit, receives the USART communication sent by the conversion circuit, judges the specific communication protocol of the USART communication, and matches the corresponding communication module protocol; the main control circuit is the core of the internet of things module, multiple standard communication protocols are integrated in the main control circuit, and the received data communication protocol of USART communication of the conversion circuit can be matched with the label communication protocol by the main control circuit so as to match out the corresponding communication protocol.
And the communication module circuit is electrically connected with the main control circuit and receives the information matched with the specific communication protocol through the main control circuit so as to send the information to the outside.
As shown in fig. 2, the main control circuit includes an MCU chip, a ninth capacitor C9 and a tenth capacitor C10 are respectively connected to a 4 th pin and an 8 th pin of the MCU chip, the ninth capacitor C9 and the tenth capacitor C10 are commonly grounded, and a grounded line of the ninth capacitor C9 and a grounded line of the tenth capacitor C10 are simultaneously connected to a 7 th pin of the MCU chip; the MCU chip stores multiple communication protocols as standard communication protocols, after the MCU chip receives USART communication sent by the conversion circuit, the USART communication is used as multiple standard communication protocols stored in the communication protocols to be confirmed and the MCU chip to be compared one by one, when the communication protocols to be confirmed are compared with a certain standard communication protocol stored in the MCU chip to be consistent, the communication protocols to be confirmed are confirmed to be target communication protocols, and then the MCU chip sends the target communication protocols to the communication module circuit.
As shown in fig. 3, the communication module circuit includes a communication chip, a 6 th pin and a 7 th pin of the communication chip are respectively connected to a 12 th pin and a 13 th pin of the MCU chip, a 15 th pin of the communication chip is connected to a declination rf module, a 13 th pin of the communication chip is connected to a sixth capacitor C6 and a thirteenth capacitor C13 that are connected in parallel, a 14 th pin of the communication chip is connected to a 13 th pin through a line, and a 11 th pin and a 12 th pin of the communication chip are commonly grounded.
As shown in fig. 4, the conversion circuit includes a conversion chip, the 12 th pin and the 11 th pin of the conversion chip are connected to the 1 st pin and the 2 nd pin of the MCU chip, the 1 st pin of the conversion chip is connected to a second capacitor C2, the other end of the second capacitor C2 is connected to the 3 rd pin of the conversion chip, the 4 th pin of the conversion chip is connected to a third capacitor C3, the other end of the third capacitor C3 is connected to the 5 th pin of the conversion chip, the 6 th pin of the conversion chip is connected to a fourth capacitor C4, the other end of the fourth capacitor C4 is grounded, and the 2 nd pin of the conversion chip is connected to a first capacitor C1.
As shown in fig. 5, the pluggable pin circuit includes pluggable pins, and the 2 nd pin and the 3 rd pin of the pluggable pin are respectively connected to the 14 th pin and the 13 th pin of the conversion chip.
In the invention, the master control circuit is connected with a plurality of expansion conversion interface circuits to connect a plurality of communication modules, so that the modules can simultaneously receive and send signals of a plurality of communication protocols, for example, LoRa, Wifi and 4G signals can be simultaneously transmitted.
In the invention, the communication chip in the communication module circuit is one or more of LoRa, Wifi, Bluetooth, 4G, 5G, NB and CAT 1.
The multifunctional pluggable internet of things module based on LoRaWAN communication provided by the invention has strong practicability and can meet various mainstream communication protocols and use scenes; the communication module circuit can be selected and replaced according to different communication protocol requirements or use scenes, and communication modules of different communication protocols can be connected in the expansion conversion interface circuit. In addition, the internet of things module provided by the invention does not need an additional power supply, is inserted into a mainboard of the power saving equipment through the pluggable pin circuit, and is powered by the power saving equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a multi-functional pluggable formula thing networking module based on LoRaWAN communication which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the pluggable pin circuit is used for connecting a mainboard of the communication node equipment;
the conversion circuit is electrically connected with the pluggable pin circuit, the conversion circuit and the pluggable pin circuit adopt RS485 communication, and the conversion circuit converts the received RS485 communication into USART communication;
the main control circuit is electrically connected with the conversion circuit, receives the USART communication sent by the conversion circuit, judges the specific communication protocol of the USART communication, and matches the corresponding communication module protocol;
and the communication module circuit is electrically connected with the main control circuit and receives the information matched with the specific communication protocol through the main control circuit so as to send the information to the outside.
2. The LoRaWAN communication-based multifunctional pluggable Internet of things module of claim 1, wherein: the master control circuit comprises an MCU chip, wherein a 4 th pin and an 8 th pin of the MCU chip are respectively connected with a ninth capacitor and a tenth capacitor, the ninth capacitor and the tenth capacitor are grounded together, and the ninth capacitor and a tenth capacitor grounded circuit are simultaneously connected with a 7 th pin of the MCU chip.
3. The LoRaWAN communication-based multifunctional pluggable Internet of things module of claim 2, wherein: the MCU chip stores multiple communication protocols as standard communication protocols, after the MCU chip receives USART communication sent by the conversion circuit, the USART communication is used as multiple standard communication protocols stored in the communication protocols to be confirmed and the MCU chip to be compared one by one, when the communication protocols to be confirmed are compared with a certain standard communication protocol stored in the MCU chip to be consistent, the communication protocols to be confirmed are confirmed to be target communication protocols, and then the MCU chip sends the target communication protocols to the communication module circuit.
4. The LoRaWAN communication-based multifunctional pluggable Internet of things module of claim 2, wherein: the communication module circuit comprises a communication chip, a 6 th pin and a 7 th pin of the communication chip are respectively connected with a 12 th pin and a 13 th pin of the MCU chip, a 15 th pin of the communication chip is connected with a deflection angle radio frequency module, a 13 th pin of the communication chip is connected with a sixth capacitor and a thirteenth capacitor which are mutually connected in parallel, a 14 th pin of the communication chip is connected with a 13 th pin through a circuit, and an 11 th pin and the 12 th pin of the communication chip are commonly grounded.
5. The LoRaWAN communication-based multifunctional pluggable Internet of things module of claim 2, wherein: the conversion circuit comprises a conversion chip, wherein a 12 th pin and a 11 th pin of the conversion chip are connected with a 1 st pin and a 2 nd pin of the MCU chip, the 1 st pin of the conversion chip is connected with a second capacitor, the other end of the second capacitor is connected with a 3 rd pin of the conversion chip, a 4 th pin of the conversion chip is connected with a third capacitor, the other end of the third capacitor is connected with a 5 th pin of the conversion chip, a 6 th pin of the conversion chip is connected with a fourth capacitor, the other end of the fourth capacitor is grounded, and the 2 nd pin of the conversion chip is connected with the first capacitor.
6. The LoRaWAN communication-based multifunctional pluggable Internet of things module of claim 5, wherein: the pluggable stitch circuit comprises a pluggable stitch, and the No. 2 pin and the No. 3 pin of the pluggable stitch are respectively connected with the No. 14 pin and the No. 13 pin of the conversion chip.
7. The LoRaWAN communication-based multifunctional pluggable Internet of things module according to any one of claims 1-6, wherein: the main control circuit is connected with a plurality of expansion conversion interface circuits so as to be connected with a plurality of communication modules.
8. The LoRaWAN communication-based multifunctional pluggable Internet of things module of claim 7, wherein: the communication chip in the communication module circuit is one or more of LoRa, Wifi, Bluetooth, 4G, 5G, NB, CAT 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111481588.3A CN114157729A (en) | 2021-12-06 | 2021-12-06 | Multi-functional pluggable thing networking module based on LoRaWAN communication |
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| CN202111481588.3A CN114157729A (en) | 2021-12-06 | 2021-12-06 | Multi-functional pluggable thing networking module based on LoRaWAN communication |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465608A (en) * | 2017-08-17 | 2017-12-12 | 浙江比弦物联科技有限公司 | Internet of Things Multifunctional gateway based on NB IoT |
| CN109714334A (en) * | 2018-12-26 | 2019-05-03 | 珠海格力电器股份有限公司 | Transmit method, apparatus, processor, circuit and the storage medium of air-conditioning data |
| CN112039791A (en) * | 2020-08-28 | 2020-12-04 | 富源智慧后勤服务江苏有限公司 | Internet of things intelligent gateway routing method and system |
| CN113225329A (en) * | 2021-04-30 | 2021-08-06 | 上海日羲科技有限公司 | System for cross-protocol communication between IoT (Internet of things) devices |
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- 2021-12-06 CN CN202111481588.3A patent/CN114157729A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465608A (en) * | 2017-08-17 | 2017-12-12 | 浙江比弦物联科技有限公司 | Internet of Things Multifunctional gateway based on NB IoT |
| CN109714334A (en) * | 2018-12-26 | 2019-05-03 | 珠海格力电器股份有限公司 | Transmit method, apparatus, processor, circuit and the storage medium of air-conditioning data |
| CN112039791A (en) * | 2020-08-28 | 2020-12-04 | 富源智慧后勤服务江苏有限公司 | Internet of things intelligent gateway routing method and system |
| CN113225329A (en) * | 2021-04-30 | 2021-08-06 | 上海日羲科技有限公司 | System for cross-protocol communication between IoT (Internet of things) devices |
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