CN111953586B - One drags eight thing networking gateway - Google Patents
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- CN111953586B CN111953586B CN202010651820.2A CN202010651820A CN111953586B CN 111953586 B CN111953586 B CN 111953586B CN 202010651820 A CN202010651820 A CN 202010651820A CN 111953586 B CN111953586 B CN 111953586B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
The invention discloses an eight-in-one Internet of things gateway which comprises a central gateway (1) and node gateways (2) connected with the central gateway, wherein one central gateway (1) is connected with a plurality of node gateways (2), the node gateways (2) are powered by the central gateway (1), and after data of all the node gateways (2) are sent to the central gateway (1), the data are packaged and uploaded to a network in a concentrated mode by the central gateway (1). On the premise of reducing the wiring cost, the invention further reduces the implementation cost and improves the flexibility of wiring; under the condition that the central gateway uses a low-cost singlechip scheme, 8 node gateways can be accessed; the node gateway does not need to consider the network problem, the equipment cost is lower, and the IP resource occupancy rate can be reduced by 89%; the central gateway adopts the embedded web page to realize integrated operation, manages and configures the one-to-eight Internet of things gateway, optimizes connection and operation flow, accesses the central gateway through a wired mode, provides power by the central gateway, and does not need to independently supply power.
Description
Technical Field
The invention relates to a one-to-eight Internet of things gateway, and belongs to the technical field of information communication.
Background
With the high-speed development of the internet of things technology, the use scene of the internet of things equipment is more and more abundant. A series of concepts such as smart home, unmanned supermarket, indoor navigation, asset positioning, smart attendance, smart medical treatment, etc. have been developed, and a large number of smart devices and wireless tags are connected to the network to realize the object connection.
In the application system of the internet of things, the gateway (or the base station) has a core position, is not only a unique channel for the data interaction between the internet of things equipment and the cloud platform, but also is a creator and a maintenance center of the wireless ad hoc network, so that the gateway has a significant effect.
The existing gateways are all independently operated single hardware devices, one or more wireless technologies are integrated inside, wi-Fi or a wired mode is adopted to access the Ethernet, if the network data size of the Internet of things is small, the real-time requirement is not high, the gateways can be cascaded in a bus mode, or multipath antennas can be directly separated from each room through feeder lines.
The prior art has the following disadvantages: firstly, in the prior art, each device must have network access capability, so that the overall cost of each gateway is higher, the volume is larger, the gateways need to be configured one by one during final installation, the workload is huge, errors are very easy to occur, and the implementation cost is higher; secondly, the prior art needs to consider the allocable number of the IP addresses of the same network segment, and thus the management cost, such as cross-segment communication, and also consider the capacity of the wireless network in the case of Wi-Fi connection. In addition, the network cables of the equipment are led out from weak current under the normal condition, and are independently routed, so that the wiring cost is high, the flexibility is low, the remote wiring can also have a great influence on the signal quality, the improvement can be only carried out through the relay equipment, and more IP resources are needed; thirdly, when the application range of the prior art is enlarged, the gateway equipment has to be distributed in a multi-point way because the application range is limited by the wireless communication range, so that the installation quantity can reach hundreds to thousands, the real-time data of the Internet of things can reach a huge quantity, and the arrangement mode of the gateway is not applicable any more at the moment, and the connection and operation flow are complex.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the one-to-eight Internet of things gateway which reduces the implementation cost, saves IP resources and optimizes the connection and operation flow.
The technical scheme adopted for solving the technical problems is as follows:
a one-to-eight internet of things gateway comprises a central gateway and node gateways connected with the central gateway, wherein one central gateway is connected with a plurality of node gateways, the node gateways are powered by the central gateway, and after data of all the node gateways are sent to the central gateway, the data are packaged and uploaded to a network in a centralized way by the central gateway. In the technical scheme, one central gateway is connected with a plurality of node gateways, the node gateways provide power by the central gateway, and after data of all the node gateways are sent to the central gateway, the central gateway centrally packages and uploads the data to a network, so that the implementation cost is greatly reduced, IP resources are saved, and the connection and operation flow are optimized.
As the preference, the central gateway comprises a first single chip microcomputer, an Ethernet module connected with the first single chip microcomputer, a Wi-Fi module connected with the first single chip microcomputer, a first radio frequency module connected with the first single chip microcomputer, a first key switch connected with the first single chip microcomputer, a first indicator lamp connected with the first single chip microcomputer, a first power supply module connected with the first indicator lamp, a gating switch connected with the first single chip microcomputer, and a first interface circuit connected with the first power supply module, wherein the first interface circuit is connected with the gating switch, the first power supply module is connected with the gating switch, and the first power supply module is connected with the first single chip microcomputer through a serial port. In the technical scheme, the central gateway comprises a first single chip microcomputer, an Ethernet module connected with the first single chip microcomputer, a Wi-Fi module connected with the first single chip microcomputer, a first radio frequency module connected with the first single chip microcomputer, a first key switch connected with the first single chip microcomputer, a first indicator lamp connected with the first single chip microcomputer, a first power supply module connected with the first indicator lamp, a gating switch connected with the first single chip microcomputer, and a first interface circuit connected with the first power supply module, wherein the first interface circuit is connected with the gating switch, the first power supply module is connected with the gating switch, and the first power supply module is connected with the first single chip microcomputer through a serial port, so that implementation cost is further reduced, IP resources are saved, and connection and operation flow are optimized.
Preferably, the first radio frequency module comprises a Bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module and antennas corresponding to the modules. In the above technical scheme, the first radio frequency module comprises a Bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module and antennas corresponding to the modules, thereby further reducing implementation cost, saving IP resources and optimizing connection and operation flow.
Preferably, the first power module supports POE power supply and dc power supply. In the above technical scheme, the first power module supports POE power supply and DC source power supply, further reduces implementation cost, saves IP resources and optimizes connection and operation flow.
Preferably, the node gateway comprises a second single chip microcomputer, a second radio frequency module connected with the second single chip microcomputer, a second interface circuit connected with the second single chip microcomputer, a second key switch connected with the second single chip microcomputer, a second indicator lamp connected with the second single chip microcomputer, and a second power module connected with the second single chip microcomputer, wherein the second radio frequency module is connected with the second power module, and the second interface circuit is connected with the second power module. In the above technical solution, implementation cost is further reduced, IP resources are saved, and connection and operation flow are optimized.
Preferably, the second radio frequency module comprises a Bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module and antennas corresponding to the modules. In the technical scheme, the second radio frequency module comprises a Bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module and antennas corresponding to the modules, so that implementation cost is further reduced, IP resources are saved, and connection and operation flows are optimized.
Preferably, the central gateway is internally provided with an embedded web page, so that parameter configuration, firmware upgrading and real-time data monitoring can be carried out on the central gateway and the node gateway; the central gateway communicates with a plurality of node gateways through a plurality of serial ports of the first singlechip, and the serial ports are connected with 2 node gateways through a gating switch; the central gateway performs active polling on the node gateway, and the node gateway uploads the cache data once after receiving a polling instruction. In the technical scheme, the embedded web page is built in the central gateway, so that parameter configuration, firmware upgrading and real-time data monitoring can be performed on the central gateway and the node gateway; the central gateway communicates with a plurality of node gateways through a plurality of serial ports of the first singlechip, and the serial ports are connected with 2 node gateways through a gating switch; the central gateway performs active polling on the node gateway, and the node gateway uploads the cache data once after receiving the polling instruction, so that the implementation cost is further reduced, IP resources are saved, and the connection and operation flow are optimized.
Preferably, the first interface circuit and the second interface circuit adopt an RS-422 electrical standard. In the technical scheme, the first interface circuit and the second interface circuit adopt the RS-422 electrical appliance standard, so that the implementation cost is further reduced, IP resources are saved, and the connection and operation flow are optimized.
Preferably, the POE switch is connected to the center gateway. In the technical scheme, the POE switch is connected with the central gateway and is used for supplying power to the central gateway, so that the implementation cost is further reduced, IP resources are saved, and the connection and operation flow are optimized.
Preferably, when the POE switch is absent, the power adapter supplies power to the central gateway, the central gateway is in a wired connection mode by default, the Wi-Fi function is turned on by pressing the first key switch for three times to enter an AP mode, the first indicator light changes correspondingly, the Wi-Fi network established by the central gateway is found by searching Wi-Fi through the computer, and after the connection is entered, the browser is turned on to input the IP address of the gateway to enter the equipment page. According to the technical scheme, when the POE switch is absent, the power adapter supplies power to the central gateway, the central gateway is in a wired connection mode by default, the Wi-Fi function is turned on by pressing the first key switch for three times to enter the AP mode, the first indicator lamp changes correspondingly, the Wi-Fi network established by the central gateway is found by searching Wi-Fi through the computer, after the connection is entered, the browser is turned on to input the gateway IP address, the equipment page is entered, the implementation cost is further reduced, IP resources are saved, and the connection and operation flow are optimized.
Compared with the prior art, the invention has the following beneficial effects: firstly, on the premise of reducing the wiring cost, the implementation cost is further reduced, and the flexibility of wiring is improved; secondly, under the condition that the central gateway uses a low-cost singlechip scheme, 8 node gateways can be accessed; the node gateway does not need to consider the network problem, the equipment cost is lower, and the IP resource occupancy rate can be reduced by 89%; and thirdly, the central gateway adopts an embedded web page to realize integrated operation, and manages and configures the one-to-eight Internet of things gateway, so that the connection and the operation flow are optimized. The node gateway is connected to the central gateway in a wired mode, and the central gateway provides power supply without independent power supply.
Drawings
Fig. 1 is a schematic diagram of a wired network access mode according to the present invention.
Fig. 2 is a schematic diagram of a wireless network access method according to the present invention.
Fig. 3 is a schematic diagram of a central gateway of the present invention.
Fig. 4 is a schematic diagram of a node gateway according to the present invention.
In the figure, 1, a central gateway, 101, a first singlechip, 102, an Ethernet module, 103, a Wi-Fi module, 104, a first radio frequency module, 105, a first interface circuit, 106, a first key switch, 107, a first indicator lamp, 108, a first power module, 109, a gating switch, 2, a node gateway, 201, a second singlechip, 202, a second radio frequency module, 203, a second interface circuit, 204, a second key switch, 205, a second indicator lamp, 206, a second power module, 3, a POE switch, 4, a Wi-Fi router, 5, a power adapter, 6 and a computer.
Detailed Description
The invention is further described below with reference to the drawings and embodiments.
The one-to-eight Internet of things gateway comprises the following two embodiments:
in the first embodiment, as shown in fig. 1, 3 and 4.
In fig. 1, one-to-eight internet of things gateway is installed indoors, one central gateway 1 is placed in the center of an aisle by adopting a ceiling installation mode, and eight node gateways 2 are distributed in eight different rooms. The central gateway 1 is connected with the POE switch 3 between remote weak current through a network cable, the node gateway 2 is connected with the central gateway 1 through the network cable, and the POE switch 3 provides an eight-split Internet of things gateway power supply and Ethernet module 102 access. POE switch 3 supplies power to central gateway 1 by connecting to first power module 108.
When the central gateway 1 is powered on for the first time, the central gateway is in a wired connection mode by default, the power-on and network access conditions of the equipment can be judged by observing the first indicator lamp 107, and at the moment, the IP address of the computer 6 under the same local area network can be obtained by using a network searching tool. After the browser is opened and the IP address is input, the device homepage is entered, and menu options such as device information, network configuration, node state, parameter configuration, firmware upgrade and the like are displayed on the main page.
Entering the device information page may view device product information.
After confirming the equipment state of the one-to-eight Internet of things gateway, entering a network configuration page, selecting a target address, a target port, a local port and a TCP/UDP mode to be connected, sending the Internet of things data to a designated target after configuration is completed, and viewing the network connection condition on the page after refreshing.
The entering node state page can monitor the data flow, the equipment state, the connection condition and the parameter information of each node gateway 2 in real time, and can also disable the node gateway 2 manually.
The entry parameter configuration page may modify the configurable parameters of the central gateway 1 and the node gateway 2.
The firmware upgrading page is entered to carry out upgrading operation, the upgrading firmware is loaded and the user clicks to start upgrading, one eight gateway can automatically complete firmware upgrading and restart, original configuration information can be reserved, and reconfiguration is not needed.
Fig. 3 is a schematic diagram of the central gateway 1 of the present invention. The first singlechip 101 needs to support embedded web, the number of serial ports is greater than 4, and TX and RX pins of the 4-path serial ports are respectively expanded into 8 paths through the first gating switch 109 and then connected to the first interface circuit 105.
When the central gateway 1 and the node gateway 2 communicate, each path of data is periodically acquired by adopting a polling mode, the second radio frequency module 202 transmits the detected radio frequency signal data to the second single chip microcomputer 201 through an I/O port, the node gateway 2 caches the radio frequency signal data, the first radio frequency module 104 transmits the detected radio frequency signal data to the first single chip microcomputer 101 through the I/O port, when the host polls, the first single chip microcomputer 101 transmits a polling signal to the second single chip microcomputer 201, the second single chip microcomputer 201 transmits the cached radio frequency signal data to the first single chip microcomputer 101 through the second interface circuit 203, the first interface circuit 105 and the gating switch 109 after receiving the polling signal, and the first single chip microcomputer 101 uploads the radio frequency signal data to the server through the Ethernet module 102 or the Wi-Fi module 103.
The central gateway 1 can access to the network through the ethernet module 102 and the Wi-Fi module 103, i.e. through both wired and wireless modes respectively, by default adopting a wired mode. The first key switch 106 can trigger to enter the AP mode, and the first indicator lamp 107 will prompt at this time, and then the mobile device can enter the central gateway 1 through the wireless connection to perform Wi-Fi configuration, so that the device is connected to the target network.
The first interface circuit 105 adopts an RJ45 interface, the appearance of which is consistent with that of a common network port, but the electrical characteristics of the first interface circuit adopt an RS-422 standard, and can also be replaced by two paths of RS-485, and the connection mode adopts a common 8-wire network cable, wherein 2 paths of the first interface circuit serve as differential lines of TX, 2 paths of the first interface circuit serve as differential lines of RX, 2 paths of the first interface circuit serve as power supply anodes, and 2 paths of the first interface circuit serve as power supply grounds.
The power supply can adopt a direct-current voltage source or a POE mode, the first power module 108 supports two power supply modes, and when the two modes exist simultaneously, one mode is automatically selected as a power supply, and the first power module 108 supplies power for the central gateway 1.
The first rf module 104 includes a bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module, and antennas corresponding to the modules.
The first indicator lamp 107 may be used to determine the power-on and network-access conditions of the device, and also to indicate the connection condition of the node gateway 2, the communication status of the device and the target port, and the working status of the radio frequency module.
The first key switch 106 may be used for device restart and reset in addition to turning on the AP mode.
Fig. 4 is a schematic diagram of the node gateway 2 of the present invention. The second singlechip 201 is connected with the central gateway 1 through a second interface circuit 203, the interface standard is RJ45, the electrical characteristics conform to RS-422, and meanwhile, the interface is also used as a power supply input port to supply direct-current voltage to the second power supply module 206. The second power module 206 supplies power to the node gateway 2.
The second radio frequency module 202 includes a bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module, and antennas corresponding to the modules.
The second indicator lamp 205 is used for judging the power-on state, the connection condition, the communication state and the working state of the radio frequency module of the equipment.
The second key switch 204 is used for restarting and resetting the device, and may also be used to turn on the broadcast function of some radio modules.
In the second embodiment, as shown in fig. 2, fig. 3 and fig. 4, the installation mode of the second embodiment is the same as that of the first embodiment, but the POE switch 3 is absent, the central gateway 1 uses the power adapter 5 to supply power, the power adapter 5 supplies power to the central gateway 1 by connecting with the first power module 108, since the central gateway 1 is in the wired connection mode by default, the Wi-Fi function needs to be opened by connecting with the first key switch 106 for three times to enter the AP mode, the first indicator 107 changes correspondingly, the Wi-Fi router 4 converts the wired network signal into the wireless signal, at this time, the Wi-Fi network established by the central gateway 1 can be found by searching Wi-Fi through the computer 6, after the connection is entered, the browser is opened to input the gateway IP address, so that the device homepage is entered, and the main page is displayed with menu options such as device information, network configuration, node status, parameter configuration, firmware upgrade, etc. After confirming the equipment state of the gateway of the internet of things with one server, entering a network configuration page, selecting Wi-Fi connection to enter the network, inputting a wireless network SSID and a secret key to be connected, a target address to be connected, a target port, a local port and a TCP/UDP mode, automatically connecting the central gateway 1 to the network after configuration is completed, sending the data of the internet of things to a designated target, and viewing the network connection condition on the page after refreshing.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. One drags eight thing networking gateway, its characterized in that: the system comprises a central gateway (1) and node gateways (2) connected with the central gateway, wherein one central gateway (1) is connected with a plurality of node gateways (2), the node gateways (2) are powered by the central gateway (1), and after data of all the node gateways (2) are sent to the central gateway (1), the data are packed and uploaded to a network in a centralized way by the central gateway (1);
the central gateway (1) comprises a first single chip microcomputer (101), an Ethernet module (102) connected with the first single chip microcomputer (101), a Wi-Fi module (103) connected with the first single chip microcomputer (101), a first radio frequency module (104) connected with the first single chip microcomputer (101), a first key switch (106) connected with the first single chip microcomputer (101), a first indicator lamp (107) connected with the first single chip microcomputer (101), a first power supply module (108) connected with the first indicator lamp (107), a gating switch (109) connected with the first single chip microcomputer (101) and a first interface circuit (105) connected with the first power supply module (108), wherein the first interface circuit (105) is connected with the gating switch (109), the first power supply module (108) is connected with the gating switch (109), and the first power supply module (108) is connected with the first single chip microcomputer (101) through a serial port;
the central gateway (1) is internally provided with an embedded web page, and can carry out parameter configuration, firmware upgrading and real-time data monitoring on the central gateway (1) and the node gateway (2); the central gateway (1) communicates with a plurality of node gateways (2) through a serial port of the first singlechip (101), and the serial port is connected with the 2 node gateways (2) through a gating switch (109); the central gateway (1) performs active polling on the node gateway (2), and the node gateway (2) uploads the cache data once after receiving a polling instruction.
2. The one-to-eight internet of things gateway of claim 1, wherein: the first radio frequency module (104) comprises a Bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module and antennas corresponding to the modules.
3. The one-to-eight internet of things gateway according to claim 1 or 2, wherein: the first power module (108) supports POE power and dc power.
4. A one-to-eight internet of things gateway according to claim 3, wherein: the node gateway (2) comprises a second single chip microcomputer (201), a second radio frequency module (202) connected with the second single chip microcomputer (201), a second interface circuit (203) connected with the second single chip microcomputer (201), a second key switch (204) connected with the second single chip microcomputer (201), a second indicator lamp (205) connected with the second single chip microcomputer (201), and a second power supply module (206) connected with the second single chip microcomputer (201), wherein the second radio frequency module (202) is connected with the second power supply module (206), and the second interface circuit (203) is connected with the second power supply module (206).
5. A one-to-eight internet of things gateway according to claim 1 or 2 or 4, wherein: the second radio frequency module (202) comprises a Bluetooth module, a ZigBee module, a LoRa module, a UWB module, a Sub-1G module, a low frequency positioning module and antennas corresponding to the modules.
6. The one-to-eight internet of things gateway of claim 1 or 2 or 4 or 5, wherein: the first interface circuit (105) and the second interface circuit (203) adopt an RS-422 electrical standard.
7. The one-to-eight internet of things gateway of claim 6, wherein: the central gateway (1) is connected with a POE switch (3).
8. The one-to-eight internet of things gateway of claim 1 or 2 or 4 or 5 or 7, wherein: when the POE switch (3) is absent, the power adapter (5) supplies power to the central gateway (1), the central gateway (1) is in a wired connection mode by default, a Wi-Fi function is turned on to enter an AP mode by pressing the first key switch (106) for three times, the first indicator lamp (107) changes correspondingly, a Wi-Fi network established by the central gateway (1) is found by searching Wi-Fi through the computer (6), and after connection enters, a browser is turned on to input a gateway IP address so as to enter a device page.
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