CN209055832U - A kind of Internet of things system based on Ethernet - Google Patents
A kind of Internet of things system based on Ethernet Download PDFInfo
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- CN209055832U CN209055832U CN201822223577.5U CN201822223577U CN209055832U CN 209055832 U CN209055832 U CN 209055832U CN 201822223577 U CN201822223577 U CN 201822223577U CN 209055832 U CN209055832 U CN 209055832U
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Abstract
The utility model discloses a kind of Internet of things system based on Ethernet, including gateway, server and internet-of-things terminal；The gateway is the Lora gateway with Lora wireless communication module, and the gateway passes through Lora wireless communication module and internet-of-things terminal communication connection；The gateway includes equipment body and control circuit；The control circuit includes Linux kernel core, ethernet nic module, Lora wireless communication module, power management module, and the Linux kernel core is electrically connected with interface module, Lora wireless communication module, power management module respectively；The gateway establishes communication connection by ethernet nic module and server.This system is very suitable to dispose on the spot.And nodal information is transferred to platform by network insertion big data platform by the gateway in this system, provides the effect of agreement exchange.The perfect in shape and function of Internet of things system can be reached the requirement for meeting user, promote usage experience.
Description
Technical field
The utility model relates to internet of things field, in particular to a kind of Internet of things system based on Ethernet.
Background technique
With the development of science and technology, Internet of Things is just stepping into the production and living of people.In the art, object
Networked devices network access mode is there are some problems and perplexs all big enterprises for it.Prior art NB-IOT can be directly accessed
Still hardware cost is high for wide area network, and running cost is also high, is limited by whether operator arranges net.In addition, then being existed using Wifi logical
Interrogate the problem high apart from short, power consumption.More be afraid of that loiter network causes other baneful influences.
To solve the above-mentioned problems, it the utility model proposes a kind of Internet of things system based on Ethernet, can effectively solve
Above-mentioned problem, and promote the convenience of internet of things equipment networking.
Utility model content
In order to meet above-mentioned requirements, the purpose of this utility model is to provide a kind of Internet of things system based on Ethernet.
To achieve the goals above, the utility model uses following technical scheme:
A kind of Internet of things system based on Ethernet, including gateway, server and internet-of-things terminal；
The gateway is the Lora gateway with Lora wireless communication module, and the gateway is wireless by Lora
Communication module and internet-of-things terminal communication connection；
The gateway includes equipment body and Linux kernel core, and the Linux kernel core is equipped with control circuit；
The control circuit includes Linux kernel core, ethernet nic module, Lora wireless communication module, power management
Module, the Linux kernel core are electrically connected with interface module, Lora wireless communication module, power management module respectively；
The gateway establishes communication connection by ethernet nic module and server.
Further technical solution is that the core board includes USB interface, and the USB interface is connect with Linux kernel core,
The ethernet nic module is electrically connected by USB port and Linux kernel core；
The Linux kernel core uses NanopiNeoCore2.
Further technical solution is that the Ethernet card module includes Ethernet card control circuit；
Ethernet card control circuit includes Ethernet card controller, and wherein Ethernet card controller is RTL8152B-VB type
Chip.
Further technical solution is that MDIPO, MDINO, MDIP1, MDIN1 pin of the Ethernet card controller are used for
Connect Ethernet differential signal；
The Ethernet differential signal connects network transformer, the network transformer connected with network cable.
Further technical solution is that the Ethernet card control circuit further includes hardware security protection circuit, the hardware
The input terminal of safety protective circuit is connect with Ethernet card control circuit output end.
Further technical solution is that the Ethernet card control circuit further includes status display circuit, the status display
Circuit includes indicator light.
Further technical solution is that the Lora wireless communication module includes Lora control circuit；
The Lora control circuit includes Lora wireless communication module, wherein the Lora radio communication mold block controller
Using SX1301 cake core.
Further technical solution is that the Lora control circuit further includes filter circuit, the input terminal of the filter circuit
Connect the output end of the Lora control circuit.
Further technical solution is that the Lora wireless communication module is connect by SPI with Linux kernel core.
Further technical solution is that the power management module includes power voltage step down circuit；
The power voltage step down circuit uses MP2303 cake core.
Compared with the prior art, the utility model has the beneficial effects that: Internet of Things of the utility model based on Ethernet
It is communicated between Internet of things node and gateway using Lora wireless communication module in system, forms a set of private LAN, no
With other civilian installations offer reliable communicating mixed in together.There is at low cost, low-power consumption using Lora technology in the present system,
At a distance, the advantage of strong antijamming capability.Therefore this system is very suitable to dispose on the spot.And the gateway in this system passes through network
Big data platform is accessed, nodal information is transferred to platform, the effect of agreement exchange is provided.It can be by the function of Internet of things system
It is perfect, reach the requirement for meeting user, promotes usage experience.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is that a kind of system of Internet of things system based on Ethernet of the utility model constitutes block diagram；
Fig. 2 is the gateway control circuit block diagram of Fig. 1 embodiment；
Fig. 3 is the gateway Linux kernel core chip circuit figure in Fig. 2 embodiment；
Fig. 4 is the Ethernet card module controller chip circuit figure in Fig. 2 embodiment；
Fig. 5 is the circuit diagram of the hardware protection circuit of the Ethernet card module controller connection in Fig. 4 embodiment；
Fig. 6 is the circuit diagram of the status display circuit of the Ethernet card module controller connection in Fig. 4 embodiment；
Fig. 7 is the Lora wireless communication module circuit diagram in Fig. 2 embodiment；
Fig. 8 is the circuit diagram for the filter circuit that the Lora wireless communication module in Fig. 7 embodiment is connected；
Fig. 9 is the reduction voltage circuit circuit diagram of the power management module in Fig. 2 embodiment.
Appended drawing reference
100 internet-of-things terminal, 200 gateway
300 server, 7 Linux kernel core
8 Ethernet card module, 9 power management module
10 Lora wireless communication modules
Specific embodiment
The utility model provides a kind of Internet of things system based on Ethernet, for the function of Internet of things system is complete
It is kind, reach the requirement for meeting user.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
A kind of Internet of things system based on Ethernet as shown in Figure 1, including gateway 200, server 300 and Internet of Things
Network termination 100；
The gateway 200 is the Lora gateway with Lora wireless communication module, and the gateway 200 passes through
Lora wireless communication module and 100 communication connection of internet-of-things terminal；
Specifically, the internet-of-things terminal 100, which sends the data of required transmission, is sent to service by gateway 200
Device 300, server 300 by after data processing it is corresponding to internet-of-things terminal 100 send execute relevant action order.
Wherein, the gateway 200 accesses WAN equipment connection by network interface card, is able to be counted with server 300
According to exchange.
Specifically, gateway (Gateway) is also known as gateway, protocol converter.Gateway is in network layer implementation above net
Network interconnection, is most complicated network interconnection apparatus, network interconnection, is only used for two different network interconnections of upper-layer protocol.Gateway both can be used for
Wide area network interconnection, can be used for local area network interconnection.Gateway is a kind of computer system or equipment for serving as conversion important task.It uses
Between two kinds of entirely different systems of different communication protocol, data format or language or even architecture, gateway is one
Translater.Only simply convey information different from bridge, gateway will repack the information received, with adaptation to end system
Demand.
In embodiment as shown in Figure 1, the gateway 200 includes equipment body and control circuit.
As shown in Fig. 2, the control circuit includes Linux kernel core 7, ethernet nic module 8, Lora radio communication mold
Block 10, power management module 9；The Linux kernel core 7 respectively with too net interface module 8, Lora wireless communication module 10, electricity
Source control module 9 is electrically connected.
The power management module 9 is Linux kernel core, too net interface module 8, the supply work of Lora wireless communication module 10
Make power supply.
In conjunction with Fig. 1 to Fig. 2, the gateway 200 is established communication by ethernet nic module 8 and server 300 and is connected
It connects.
In other embodiments, the core board includes USB interface, and the USB interface is connect with Linux kernel core 7, institute
Ethernet nic module is stated to be electrically connected by USB port and Linux kernel core.
Specifically, the Linux kernel core 7 uses NanopiNeoCore2 type core in embodiment as shown in Figure 2 and Figure 3
Piece.Three parts are set on core board in figure, the chip that three parts composition is completed.I.e. described 7 processing unit of Linux kernel core is adopted
With friendly arm NanopiNeoCore2 (the Linux kernel core information is full will H5+512M memory+4G Emmc Flash).
In embodiment as shown in Figure 4, the Ethernet card module includes Ethernet card control circuit.
Ethernet card control circuit includes Ethernet card controller, wherein in the present embodiment, Ethernet card IC is
RTL8152B-VB cake core.
In embodiment as shown in Figure 4, MDIPO, MDINO, MDIP1, MDIN1 pin of the Ethernet card controller are used
In connection Ethernet differential signal.
Wherein, the Ethernet differential signal is divided into four parts, the connection relationship of this four parts and Ethernet card controller
For the MDIPO pin of Ethernet card MCU connects Eth2_TDIP, and MDINO pin connects Eth2_TDIN, the connection of MDIP1 pin
Eth2_TDIN, MDIN1 pin connect Eth2_RD2N.
In embodiment as shown in Figure 5, the Ethernet differential signal connects network transformer U3, the network transformer
Four cables of U3 connection, four cables are started respectively with NET2_, and with F1, F2, F3, F4 flag sequence.In the ether
Four parts of net differential signal are connected with Chip-R 51R respectively, and the precision of four Chip-R 51R is 1%.Its
In, Ethernet differential signal Eth2_TDIP, Eth2_TDINEth2_TDIP, Eth2_TDIN are connected on by resistance R17, R18
Together, the node between resistance R17, R18Z is grounded by capacitor C34, and the capacitance of the capacitor is 100NF, for protecting circuit
Hardware.
Likewise, Ethernet differential signal Eth2_TDIN, Eth2_TDIN is cascaded by resistance R19, R20, electric
Node between resistance R19, R20 is grounded by capacitor C35, and for protecting circuit hardware, the capacitance of the capacitor is 100NF.
In embodiment as shown in Figure 5, the Ethernet card control circuit further includes hardware security protection circuit, described hard
The input terminal of part safety protective circuit is connect with Ethernet card control circuit output end.
Specifically, Ethernet differential signal one end is connected with ESD electrostatic protection diode array SRV05-4, the other end connects
Meet network transformer U3, model H1102.The other end and self-recovery fuse JK250-120 of the network transformer U3 connects
It connects, ensures the safety of circuit.It is corresponding, since Ethernet differential signal has there are four part, the quantity of fuse is also
4.It is connect in addition, self-recovery fuse also passes through three pole patch gas-discharge tubes with network interface card controller.
In the present embodiment, the three pole patch gas-discharge tube model B3D090L, and quantity is 2.One of them with
Too net differential signal Eth2_TDIN, Eth2_TDIN two parts and the connection of network interface card part.Another and Ethernet differential signal
Eth2_TDIN, Eth2_TDIN two parts and the connection of network interface card another part.
In embodiment as shown in FIG. 6, the Ethernet card control circuit further includes status display circuit, and the state is aobvious
Show that circuit includes indicator light.Specific connection relationship is that status display circuit is connect with AVDD module, AVDD module and Ethernet card
ETH2DATA, ETH2LINK wiring of module are connected, and concatenated two lines road is also in series with indicator light respectively, for detecting
Whether whether the data of Ethernet card module are transmitted and are connected, and are prompted with the color of indicator light.Above-mentioned two series connection
It is parallel relationship between circuit, both ends are separately connected AVDD module.It further include having Chip-R between two series circuits,
For protecting electric elements.Wherein, the LED1/SPISCK pin of wiring ETH2DATA connection Ethernet card controller, wiring
The LED0/SPICSB pin of ETH2LINK connection Ethernet card controller.
In embodiment as shown in Figure 7, the Lora wireless communication module includes Lora control circuit；
The Lora control circuit includes Lora wireless communication module, wherein the Lora radio communication mold block controller
Using SX1301 cake core.
In embodiment as shown in Figure 7 and Figure 8, the Lora control circuit further includes filter circuit, the filtered electrical
The input terminal on road connects the output end of the Lora control circuit.Specific connection relationship is, Lora wireless communication module first,
Second pin (i.e. two+5V pins in figure) is connected with network module SX_VCC5V, and the network module SX_VCC5V passes through this
Embodiment diagram is connected with several resistance.For filtering specific band frequency signal.
In other embodiments, the Lora wireless communication module is connect by SPI with Linux kernel core.
In embodiment as shown in Figure 9, the power management module includes power voltage step down circuit；
The power voltage step down circuit uses MP2303 cake core.It is power management module one in circuit diagram as shown in Figure 9
Grade reduction voltage circuit, specific component connection relationship are as shown in the figure.
In conclusion the utility model in the Internet of things system of Ethernet between Internet of things node and gateway based on using
Lora wireless communication module is communicated, and a set of private LAN is formed, can not with the offer mixed in together of other civilian installations
By communication.There is at low cost, low-power consumption, at a distance, the advantage of strong antijamming capability using Lora technology in the present system.Therefore
This system is very suitable to dispose on the spot.And the gateway in this system is transmitted nodal information by network insertion big data platform
To platform, the effect of agreement exchange is provided.Can the perfect in shape and function of Internet of things system be reached the requirement for meeting user, be mentioned
Rise usage experience.
It will be apparent to those skilled in the art that it is various that other can be made according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation should belong to the protection model of the utility model claims
Within enclosing.
Claims (10)
1. a kind of Internet of things system based on Ethernet, which is characterized in that including gateway, server and internet-of-things terminal；
The gateway is the Lora gateway with Lora wireless communication module, and the gateway is wirelessly communicated by Lora
Module and internet-of-things terminal communication connection；
The gateway includes equipment body and control circuit；
The control circuit includes Linux kernel core, ethernet nic module, Lora wireless communication module, power management module,
The Linux kernel core is electrically connected with interface module, Lora wireless communication module, power management module respectively；
The gateway establishes communication connection by ethernet nic module and server.
2. a kind of Internet of things system based on Ethernet according to claim 1, which is characterized in that the core board includes
USB interface, the USB interface are connect with Linux kernel core, and the ethernet nic module passes through USB port and the Linux kernel heart
Plate is electrically connected；
The Linux kernel core uses NanopiNeoCore2.
3. a kind of Internet of things system based on Ethernet according to claim 1, which is characterized in that the Ethernet card mold
Block includes Ethernet card control circuit；
Ethernet card control circuit includes Ethernet card controller, and wherein Ethernet card controller is RTL8152B-VB cake core.
4. a kind of Internet of things system based on Ethernet according to claim 3, which is characterized in that the Ethernet control
MDIPO, MDINO, MDIP1, MDIN1 pin of device processed are for connecting Ethernet differential signal；
The Ethernet differential signal connects network transformer, the network transformer connected with network cable.
5. a kind of Internet of things system based on Ethernet according to claim 3, which is characterized in that the Ethernet control
Circuit processed further includes hardware security protection circuit, and the input terminal and Ethernet card control circuit of the hardware security protection circuit are defeated
Outlet connection.
6. a kind of Internet of things system based on Ethernet according to claim 3, which is characterized in that the Ethernet control
Circuit processed further includes status display circuit, and the status display circuit includes indicator light.
7. a kind of Internet of things system based on Ethernet according to claim 1, which is characterized in that the Lora channel radio
Believe that module includes Lora control circuit；
The Lora control circuit includes Lora module, wherein the Lora module controller uses SX1301 cake core.
8. a kind of Internet of things system based on Ethernet according to claim 7, which is characterized in that the Lora control electricity
Road further includes filter circuit, and the input terminal of the filter circuit connects the output end of the Lora control circuit.
9. a kind of Internet of things system based on Ethernet according to claim 1, which is characterized in that the Lora channel radio
Letter module is connect by SPI with Linux kernel core.
10. a kind of Internet of things system based on Ethernet according to claim 1, which is characterized in that the power management
Module includes power voltage step down circuit；
The power voltage step down circuit uses MP2303 cake core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223577.5U CN209055832U (en) | 2018-12-27 | 2018-12-27 | A kind of Internet of things system based on Ethernet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223577.5U CN209055832U (en) | 2018-12-27 | 2018-12-27 | A kind of Internet of things system based on Ethernet |
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| CN209055832U true CN209055832U (en) | 2019-07-02 |
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| CN201822223577.5U Active CN209055832U (en) | 2018-12-27 | 2018-12-27 | A kind of Internet of things system based on Ethernet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111552215A (en) * | 2020-05-22 | 2020-08-18 | 中国联合网络通信集团有限公司 | Internet of things equipment safety protection method and system |
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2018
- 2018-12-27 CN CN201822223577.5U patent/CN209055832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111552215A (en) * | 2020-05-22 | 2020-08-18 | 中国联合网络通信集团有限公司 | Internet of things equipment safety protection method and system |
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