CN109743718A - Wireless ad hoc network system based on LoRa - Google Patents
Wireless ad hoc network system based on LoRa Download PDFInfo
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- CN109743718A CN109743718A CN201910183722.8A CN201910183722A CN109743718A CN 109743718 A CN109743718 A CN 109743718A CN 201910183722 A CN201910183722 A CN 201910183722A CN 109743718 A CN109743718 A CN 109743718A
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Abstract
The invention discloses a wireless ad hoc network system based on LoRa, which comprises: the wireless data acquisition terminal is wirelessly connected with the wireless concentrator; the wireless concentrator is connected with the cloud server through a network; the remote data transmission device solves the problems that the traditional community intelligent meter reading adopts a remote data transmission mode, and the remote data transmission device is high in cost and low in universality; the old electric meter still used in remote areas cannot use the traditional intelligent meter reading method and other technical problems because the electric meter data of the old electric meter is mechanically displayed.
Description
Technical Field
The invention belongs to the technical field of wireless ad hoc network systems, and particularly relates to a wireless ad hoc network system based on LoRa.
Background
The LORa is a typical low-power-consumption wide area Internet of things technology, the low-power-consumption wide area Internet of things (LPWAN) is optimized for an M2M communication scene in the application of the Internet of things, is powered by a battery, has low speed, ultra-low power consumption and low duty ratio, is covered by a star network, and supports a remote wireless network communication technology of a cellular convergence gateway with the maximum coverage of a single node of 100 kilometers.
The wireless ad hoc network system is a remote data transmission capability which is possessed by the equipment, so that the related equipment can carry out data transmission mutually, and as long as the equipment is in any data transmission range, the data sharing can be realized, so that the transmission distance of the equipment can be extended in an actual distance, and a system model is similar to a block chain.
However, the traditional intelligent meter reading method has some disadvantages in the use process, such as:
1. the traditional intelligent community meter reading method mainly adopts a remote data transmission mode, and a remote data sending device is installed on each electric meter, so that the background can receive the electricity utilization condition of each electric meter, but only an operator can build a base station and a management network due to the fact that the network frequency band used by the remote data sending device needs authorization, and therefore the remote data sending device is high in cost and low in universality.
2. The traditional community intelligent meter reading method is only suitable for intelligent electric meters, and for old electric meters still used in some remote areas, the traditional intelligent meter reading method cannot be used because the electric meter data is mechanically displayed.
The invention content is as follows:
the technical problems to be solved by the invention are as follows: the wireless ad hoc network system based on the LoRa is provided, so that the problem that the traditional community intelligent meter reading adopts a remote data transmission mode is solved, and the remote data sending device is high in cost and low in universality; the technical problems that the traditional intelligent meter reading method cannot be used and the like are solved because the meter data of the old-fashioned electric meter still used in a remote area is mechanically displayed.
The technical scheme of the invention is as follows:
a wireless ad hoc network system based on LoRa, comprising: the wireless data acquisition terminal is wirelessly connected with the wireless concentrator; the wireless concentrator is connected with the cloud server through a network.
The wireless data acquisition terminal comprises a terminal processor, and a terminal LoRa module, an intelligent electric meter, a terminal memory module and an illumination unit are respectively connected with the terminal processor.
The terminal power supply unit is connected with the terminal processor through a step-down transformer; the standby battery is connected with the terminal processor through a wire.
The terminal processor is connected with the image processing module; the image processing module is connected with the image acquisition module.
And the wireless data acquisition terminals are wirelessly connected through a terminal LoRa module.
The wireless concentrator comprises a base station processor, and a base station power supply unit, a base station LoRa module, a remote communication module and a base station memory unit are respectively connected with the base station processor.
The wireless data acquisition terminal is installed inside the ammeter case.
The invention has the beneficial effects that:
1. according to the community intelligent meter reading system, the LoRa modules are adopted for data transmission, the limitation that the LoRa modules can adopt independent frequency bands, independently build base stations and the like is wide is utilized, a large amount of capital investment can be saved for the community intelligent meter reading system within a certain range, meanwhile, the self-organized network can be built among the LoRa modules, the community meter reading is managed in a block mode, and the safety of data transmission is improved.
2. Through at inside built-in image acquisition module and the image processing module of wireless data acquisition terminal, conveniently utilize the reading of image acquisition module collection mechanical type ammeter to through the intelligent ammeter reading of drawing in the image processing module follow the image of gathering, realize checking meter to the long-range intelligence of mechanical type ammeter.
The remote data transmission device solves the problems that the traditional community intelligent meter reading adopts a remote data transmission mode, and the remote data transmission device is high in cost and low in universality; the old electric meter still used in remote areas cannot use the traditional intelligent meter reading method and other technical problems because the electric meter data of the old electric meter is mechanically displayed.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall hardware connection structure of the present invention;
FIG. 2 is a schematic diagram of the internal hardware connection structure of the wireless data acquisition terminal according to the present invention;
FIG. 3 is a schematic diagram of the internal hardware connection structure of the wireless concentrator in accordance with the present invention;
FIG. 4 is a schematic diagram of a wireless data acquisition end and wireless concentrator data transmission system according to the present invention;
fig. 5 is a schematic diagram of a data transmission system between wireless data acquisition terminals according to the present invention.
The specific implementation mode is as follows:
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.
Referring to fig. 1-5, fig. 1 is a schematic diagram of an overall hardware connection structure according to the present invention; FIG. 2 is a schematic diagram of the connection structure of the internal hardware of the wireless data acquisition terminal according to the present invention; fig. 3 is a schematic diagram of the internal hardware connection structure of the wireless concentrator of the present invention; FIG. 4 is a schematic diagram of a wireless data acquisition end and wireless concentrator data transmission system according to the present invention; fig. 5 is a schematic diagram of a data transmission system between wireless data acquisition terminals according to the present invention.
Example 1
The invention provides a technical scheme that: the wireless ad hoc network system based on LoRa includes: a wireless data acquisition terminal 100; and a wireless concentrator 200;
the wireless data acquisition terminal 100 is provided with a terminal LoRa module 101, a terminal processor 103, a terminal power supply unit 105, a terminal memory module 109 and an intelligent ammeter;
the wireless concentrator 200 comprises a base station power supply unit 201, a base station processor 202, a base station LoRa module 203, a remote communication module 204 and a base station memory module 205;
the terminal LoRa module 101 is electrically coupled to a signal terminal of the terminal processor 103, the terminal LoRa module 101 is used for short-distance remote wireless data transmission, and can conveniently receive or send data through the terminal LoRa module 101, so that the wireless data acquisition terminals 100 can receive and send meter reading data, the terminal power supply unit 105 is electrically connected to an electric energy input end of the terminal processor 103, the terminal power supply unit 105 is used for providing electric energy for the wireless data acquisition terminals 100, the terminal power supply unit 105 directly adopts a household circuit connected to an electric meter, so that the terminal power supply unit 105 can continuously provide electric energy for the wireless data acquisition terminals 100 without periodically replacing the power supply unit, the terminal memory module 109 is electrically coupled to the signal terminal of the terminal processor 103, the terminal memory module 109 is used for storing data received by the terminal processor 103, when the terminal LoRa module 101 of one wireless data acquisition terminal 100 receives data sent by other terminals, the data can be stored in the terminal memory module 109 within a certain time, so that a worker can obtain data of the intelligent terminal 110 in the whole community data acquisition terminal 100 from any wireless data acquisition terminal 100, and the intelligent terminal processor 110 can directly read the electric meter reading by the intelligent terminal processor 103, and the electric meter reading data of the intelligent terminal processor 103;
the backup battery 102 may be any one of a lead storage battery, a lithium battery, and a zinc-manganese battery;
the base station power supply unit 201 is electrically coupled to an electric energy input end of the base station processor 202, the base station power supply unit 201 is used for providing electric energy for the wireless concentrator 200, the base station LoRa module 203 is electrically coupled to a signal input end of the base station processor 202, the base station LoRa module 203 is used for short-distance remote wireless transmission of data, so that the wireless concentrator 200 can utilize the base station LoRa module 203 to receive electric meter reading data uploaded by any one wireless data acquisition terminal 100, centralized collection of the electric meter reading is facilitated, the remote communication module 204 is electrically coupled to a signal output end of the base station processor 202, the remote communication module 204 is used for long-distance remote wireless transmission of the data, the remote communication module 204 is conveniently utilized to remotely transmit the electric meter reading data received by the wireless concentrator 200 to a cloud server, the cloud server is utilized to perform collection analysis processing on the data, the base station memory module 205 is electrically coupled to the signal output end of the base station processor 202, the base station memory module 205 is used for storing the data received by the base station processor 202, and the base station memory module 205 can store the electric meter reading data received by the wireless concentrator 200 in a certain time after the base station LoRa module receives the wireless data transmitted by the wireless data acquisition terminal 100.
The base station power supply unit 201 can be any one of a 220V household power supply and a storage battery;
the remote communication module 204 may be any one of a GSM module and a GPRS module;
further, the method also comprises the following steps: wireless data acquisition terminal 100 installs inside the ammeter case of community, terminal power supply unit 105 is for the 220V domestic power source who inserts the ammeter for terminal power supply unit 105 can continuously provide the electric energy supply for wireless data acquisition terminal 100, and does not need the periodic replacement power supply unit.
Further, the method also comprises the following steps: the terminal processor 103 and the base station processor 202 both have data output interfaces, where the data output interfaces are used to derive data inside the terminal memory module 109 and the base station memory module 205, so that a user can conveniently derive all the electricity meter reading data stored in the terminal memory module 109 and the base station memory module 205 from the data output interfaces.
Further, the method also comprises the following steps: the standby battery 102 is electrically connected with the electric energy input end of the terminal processor 103, the standby battery 102 is used for providing electric energy for the wireless data acquisition terminal 100 when the terminal power supply unit 105 loses the power supply function, and the wireless data acquisition terminal 100 can also continue to work by providing electric energy through the standby battery 102 in the power failure state of the community.
Further, the method also comprises the following steps: a step-down transformer 104, where the step-down transformer 104 is electrically connected between the terminal processor 103 and the terminal power supply unit 105, and the step-down transformer 104 is configured to change a voltage of the terminal power supply unit 105, so that the electric energy provided by the terminal power supply unit 105 can be used by the terminal processor 103.
Further, the method also comprises the following steps: wireless concentrator 200 is through remote communication module 204 and the remote wireless connection of the high in the clouds server of predetermineeing, and wherein, the high in the clouds server is used for right the analysis of gathering is carried out to the data that wireless concentrator 200 sent, conveniently utilizes wireless concentrator 200 to gather the ammeter reading of gathering from wireless data acquisition terminal 100 and send the high in the clouds server, makes things convenient for power supply company can long-rangely obtain ammeter reading data at the high in the clouds server, fully saves the time of checking meter.
Further, the method also comprises the following steps: the wireless data acquisition terminals 100 perform short-distance remote wireless data transmission through a terminal LoRa module 101; the wireless data acquisition terminal 100 and the wireless concentrator 200 perform short-distance remote wireless data transmission through the terminal LoRa module 101 and the base station LoRa module 203, so that all ammeter readings in a community can be shared in each wireless data acquisition terminal 100 and the wireless concentrator 200, and therefore, even if one wireless data acquisition terminal 100 is damaged, the readings of all ammeters can be known from any other wireless data acquisition terminal 100, meanwhile, the data can be prevented from being considered to be modified maliciously, when people change the ammeter data of one wireless data acquisition terminal 100, because the ammeter data recorded inside all other wireless data acquisition terminals 100 are different from the data recorded by the wireless data acquisition terminal 100, the system can modify the wrong data recorded by the wireless data acquisition terminal 100.
Example 2
The invention provides another technical scheme: wireless ad hoc network system based on loRa includes: image acquisition module 106, image acquisition module 106 with terminal processor 103 electric coupling, image acquisition module 106 is used for gathering non-smart electric meter's ammeter reading, image acquisition module 106 can with the ammeter reading picture data transmission of the non-smart electric meter who gathers to terminal processor 103 conveniently utilizes image acquisition module 106 to carry out image acquisition to non-smart electric meter's mechanical reading to through this image of analytic processing, can realize carrying out long-range meter reading to mechanical type ammeter.
Further, the method also comprises the following steps: image processing module 107, image processing module 107 electrical coupling be in terminal processor 103 with between the image acquisition module 106, image processing module 107 is used for the analysis and processing the image data that image acquisition module 106 gathered, image acquisition module 107 can follow the ammeter reading picture data of non-smart electric meter and analyze and extract the reading data of non-smart electric meter, conveniently utilize image processor module 107 to analyze the image that image acquisition module 106 gathered to the inside reading of ammeter of extracting from the image that image acquisition module 106 gathered realizes carrying out remote meter reading to mechanical ammeter.
Further, the method also comprises the following steps: lighting unit 108, lighting unit 108 with terminal processor 103 electrical coupling, lighting unit 108 is used for providing the illumination for non-smart electric meter, conveniently utilizes lighting unit 108 to throw light on the ammeter when mechanical ammeter is in the dark state, is favorable to image acquisition module 106 still can gather accurate ammeter reading image.
Claims (7)
1. A wireless ad hoc network system based on LoRa, comprising: wireless data acquisition terminal and high in the clouds server, its characterized in that: the wireless data acquisition terminal is wirelessly connected with the wireless concentrator; the wireless concentrator is connected with the cloud server through a network.
2. The wireless ad hoc network system according to claim 1, wherein: the wireless data acquisition terminal comprises a terminal processor, and a terminal LoRa module, an intelligent electric meter, a terminal memory module and an illumination unit are respectively connected with the terminal processor.
3. The wireless ad hoc network system according to claim 2, wherein: the terminal power supply unit is connected with the terminal processor through a step-down transformer; the standby battery is connected with the terminal processor through a wire.
4. The wireless ad hoc network system according to claim 2, wherein: the terminal processor is connected with the image processing module; the image processing module is connected with the image acquisition module.
5. The wireless ad hoc network system according to claim 2, wherein: and the wireless data acquisition terminals are wirelessly connected through a terminal LoRa module.
6. The wireless ad hoc network system according to claim 1, wherein: the wireless concentrator comprises a base station processor, and a base station power supply unit, a base station LoRa module, a remote communication module and a base station memory unit are respectively connected with the base station processor.
7. The wireless ad hoc network system according to claim 1, wherein: the wireless data acquisition terminal is installed inside the ammeter box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183722.8A CN109743718A (en) | 2019-03-12 | 2019-03-12 | Wireless ad hoc network system based on LoRa |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910183722.8A CN109743718A (en) | 2019-03-12 | 2019-03-12 | Wireless ad hoc network system based on LoRa |
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| CN109743718A true CN109743718A (en) | 2019-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080995A (en) * | 2019-11-12 | 2020-04-28 | 杭州恩赫自动化工程有限公司 | Meter reading system based on remote data acquisition |
| CN112309100A (en) * | 2020-10-28 | 2021-02-02 | 广东电网有限责任公司 | Data acquisition method and device, computer equipment and storage medium |
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Application publication date: 20190510 |