CN219919184U - SDN gateway of Internet of things - Google Patents
SDN gateway of Internet of things Download PDFInfo
- Publication number
- CN219919184U CN219919184U CN202320767298.3U CN202320767298U CN219919184U CN 219919184 U CN219919184 U CN 219919184U CN 202320767298 U CN202320767298 U CN 202320767298U CN 219919184 U CN219919184 U CN 219919184U
- Authority
- CN
- China
- Prior art keywords
- interface
- things
- internet
- microprocessor
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 34
- 230000003993 interaction Effects 0.000 claims abstract description 12
- 230000002159 abnormal effect Effects 0.000 claims description 7
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 3
- 230000006870 function Effects 0.000 description 9
- 230000008447 perception Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model relates to the technical field of gateway equipment, and discloses an SDN gateway of the Internet of things, which comprises the following components: the system comprises a microprocessor, an expansion module, a wireless communication control module and an interaction module, wherein the expansion module is connected with the microprocessor and comprises a general input/output interface and an SPI interface; the wireless communication control module comprises wireless communication interfaces with various frequency bands and is connected with the microprocessor through a general input/output interface or an SPI interface; the interaction module comprises an HDMI interface which is connected with the microprocessor through a general input/output interface and is connected with the display device. The utility model can realize the management of each sensing node in the sensing layer, has friendly man-machine interface and convenient management and control.
Description
Technical Field
The utility model relates to the technical field of gateway equipment, in particular to an SDN gateway of the Internet of things.
Background
The system architecture of the Internet of things comprises a perception layer, a network layer and an application layer, wherein the perception layer is used for perceiving objects and collecting information, the network layer is used for processing information and transmitting the information, and the application layer faces users and provides different application functions. The gateway of the Internet of things plays a role in connecting intermediate equipment in two different layers of a perception layer and a network layer, and can be used for interconnection of wide area networks and local area networks. On the basis of realizing the basic functions of the gateway, the SDN (software defined network) gateway can modify the network like upgrading and installing software, so that more application programs can be rapidly deployed on the network.
However, the existing SDN gateway does not have a device management function, that is, management of each sensing node in the sensing layer cannot be achieved in the internet of things, related information of each node cannot be known in real time, remote control is performed, and difficulty is brought to device management for users such as operators.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide the SDN gateway of the Internet of things, which can realize the management of each sensing node in the sensing layer, is friendly in human-computer interface and convenient to manage and control.
In order to solve the technical problems, the present utility model provides an SDN gateway of the internet of things, including:
the microprocessor is provided with a microprocessor which,
the expansion module is connected with the microprocessor and comprises a general input/output interface and an SPI interface;
the wireless communication control module comprises wireless communication interfaces with various frequency bands and is connected with the microprocessor through the universal input/output interface or the SPI interface;
the interaction module comprises an HDMI interface, the general input/output interface is connected with the microprocessor, and the HDMI interface is connected with the display device.
In one embodiment of the utility model, the power supply module further comprises a DCDC circuit and an LDO circuit, and the power supply module is connected with the microprocessor and converts input voltage into voltage required by each module in the SDN gateway of the Internet of things when the modules operate.
In an embodiment of the present utility model, the system further includes a reset module, where the reset module is connected to the microprocessor through the input/output interface, and is configured to reset and rerun the SDN gateway of the internet of things when the SDN gateway of the internet of things is abnormal.
In one embodiment of the utility model, the system further comprises a clock module, wherein the expansion module further comprises an I2C interface, and the clock module is connected with the microprocessor through the I2C interface and is used for calibrating the time of the SDN gateway of the Internet of things.
In one embodiment of the utility model, the intelligent control system further comprises a sensing module, wherein the sensing module comprises a data collector, a sensor and a CAN bus, the sensor is connected with the microprocessor through the data collector, and the CAN bus is connected with the microprocessor.
In one embodiment of the utility model, the system further comprises an alarm module, wherein the alarm module comprises an audio device, the expansion module further comprises an I2C interface, and the audio device is connected with the microprocessor through the I2C interface.
In one embodiment of the present utility model, the system further comprises a network interface module, wherein the network interface module comprises a switch interface and a network interface, and the switch interface and the network interface are connected with the microprocessor.
In one embodiment of the utility model, the system further comprises a storage module connected with the microprocessor.
In one embodiment of the present utility model, the wireless communication interfaces of the multiple frequency bands include a first communication interface and a second communication interface, where a core frequency band of the first communication interface is 2.4GHZ, and a core frequency band of the second communication interface is 2.4GHZ or 433MHz.
In one embodiment of the present utility model, the expansion module further includes a Type-C interface.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the expansion module has rich interfaces, and is cooperated with the wireless communication control module to realize the management of each sensing node in the sensing layer, and supports the wireless connection, data acquisition and calculation processing of downstream equipment; the data is visually displayed at the front end through the interaction module, so that man-machine interaction is realized, and real-time and remote management control of operators is facilitated.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which:
fig. 1 is a structural diagram of the present utility model.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1, the utility model discloses an internet of things SDN gateway, which comprises a microprocessor, an expansion module, a wireless communication control module and an interaction module.
The microprocessor is used as a control and processing unit of the SDN gateway of the Internet of things, the microprocessor core can be a core board such as i.MX8M PLUS, and the like, and an algorithm can be built in to realize the functions of each module. The processor is provided with four-core Cortex-A53 and single-core Cortex-M7, has a main frequency of 1.6GHz and a Nerve Processing Unit (NPU), and has a highest running speed of 2.3TOPS; the severe temperature rating test ensures that the core board operates stably in an environment of-40 ℃ to +85 ℃.
The expansion module is connected with the microprocessor and comprises a general purpose input/output interface (General Purpose Input Output, GPIO) and an SPI interface; the control can be performed by interface writing software, so that the problem of insufficient pins of the microprocessor is solved.
The wireless communication control module comprises wireless communication interfaces with various frequency bands and is connected with the microprocessor through the universal input/output interface or the SPI interface; the system is used for carrying out wireless data interaction with downstream equipment, the data acquired by the downstream equipment can be transmitted to the SDN gateway of the Internet of things in a wireless mode, and then the SDN gateway of the Internet of things is transmitted to the server through the Ethernet.
The interaction module comprises an HDMI interface, the general input/output interface is connected with the microprocessor, and the HDMI interface is connected with the display device. The SDN gateway of the Internet of things can be connected with external display equipment such as an HDMI display screen through an HDMI interface, and the running states of all sensing equipment in the SDN gateway or the sensing layer of the Internet of things are displayed in real time, so that man-machine interaction is realized.
The internet of things SDN gateway in the embodiment further comprises a wireless communication module, wherein the wireless communication module comprises a cellular data interface, a WIFI interface and a Bluetooth interface, so that the internet of things SDN gateway can perform wireless communication through 4G/5G, WIFI or Bluetooth.
The internet of things SDN gateway in this embodiment further includes a power module, where the power module includes a DCDC (direct current to direct current, conversion of different direct current power supply values) circuit and an LDO (low dropout linear regulator) circuit, and is connected with the microprocessor and converts an input voltage into a voltage required by each module in the internet of things SDN gateway when running.
The internet of things SDN gateway in this embodiment further includes a reset module, where the reset module is connected to the microprocessor through the input/output interface, and is configured to reset and rerun the internet of things SDN gateway when the operation of the internet of things SDN gateway is abnormal. In this embodiment, the reset module is a watchdog reset circuit or a reset button. The microprocessor continuously sends an electric signal to the watchdog reset circuit, and if the watchdog reset circuit cannot receive the electric signal within a preset long time, the SDN gateway of the Internet of things is reset until restarting. The reset key is manually operated, when the user configures the SDN gateway of the Internet of things to lose the power, the SDN gateway of the Internet of things restores factory setting after the reset key is pressed, and the user can conveniently operate.
The internet of things SDN gateway in this embodiment further includes a clock module, the expansion module further includes an I2C interface, and the clock module is connected with the microprocessor through the I2C interface, and is used for calibrating time of the internet of things SDN gateway. In this embodiment, the Clock module is a Real-Time Clock (RTC) integrated circuit, and guarantees that the Time is not set to zero after the power-off restart of the SDN gateway of the internet of things, so that the SDN gateway of the internet of things is synchronized with the Time of each sensing device in the sensing layer.
The SDN gateway of the Internet of things in the embodiment further comprises a sensing module, wherein the sensing module comprises a data collector, a sensor and a CAN bus, the sensor is connected with the microprocessor through the data collector, the microprocessor collects data of the sensor through the data collector, and the CAN bus is connected with the microprocessor. In the embodiment, the data collector is an RS485 collector, and the RS485 collector supports all temperature and humidity sensors, oxygen sensors, liquid level detection sensors and other sensors, controllers, frequency converters and other devices supporting the RS485 protocol on the market. The CAN bus is used for accessing equipment supporting a CAN protocol, such as vehicle-mounted equipment including oil quantity, vehicle speed acquisition and the like, and connecting various sensors in the industrial Internet of things.
The internet of things SDN gateway in this embodiment further includes an alarm module, where the alarm module includes an audio device, where the audio device is connected to the microprocessor through the I2C interface, and is configured to send an alarm when each sensing device in the internet of things SDN gateway or the sensing layer is abnormal. The sensor in the data perception module comprises a temperature and humidity sensor, the temperature and humidity sensor monitors the temperature and humidity of the SDN gateway of the Internet of things, and when the numerical value is abnormal, namely the SDN gateway of the Internet of things is abnormal, the server or the platform is reported to be abnormal, and meanwhile, an alarm is sent out through the alarm module. The audio device in this embodiment may be an external device such as a sound.
The SDN gateway of the internet of things in this embodiment further includes a network interface module, where the network interface module includes a switch interface and a network interface, and both the switch interface and the network interface are connected with the microprocessor. In this embodiment, the switch interface is a four-way gigabit switch interface, and the network interface is a gigabit network interface with a Time-sensitive network (Time-Sensitive Network, TSN) function, so that mass data communication can be implemented. The time sensitive network is a generic term of a series of data link layer protocol specifications developed by the IEEE 802.1TSN working group, is used for guiding and developing an ethernet local area network with low delay, low jitter and transmission time certainty, and is an implementation of the enhanced function of the conventional ethernet under specific application environments such as automobiles.
The internet of things SDN gateway in this embodiment further includes a storage module, where the storage module is connected to the microprocessor. In this embodiment, the storage module is an external SD card, and may store information such as a data log.
In this embodiment, the wireless communication interfaces of the multiple frequency bands include a first communication interface and a second communication interface, where a core frequency band of the first communication interface is 2.4GHZ, and a core frequency band of the second communication interface is 2.4GHZ or 433MHz.
In this embodiment, the expansion module further includes a Type-C interface. The Type-C interface in the embodiment is connected with and debugges two CPU cores, so that the debugging function of the SDN gateway of the Internet of things is realized, the running state information of the SDN gateway of the Internet of things is checked, and the two CPU cores realize the dual-port Debug function. Meanwhile, the Type-C interface can be externally connected with a USB flash disk and an Over-the-Air Technology (OTA) interface, so that the storage space and the Over-the-Air Technology function are expanded.
Compared with the prior art, the utility model has the advantages that:
1. the expansion module has rich interfaces, and is cooperated with the wireless communication control module to realize the management of each sensing node in the sensing layer, and supports the wireless connection, data acquisition and calculation processing of downstream equipment; the data is visually displayed at the front end through the interaction module, so that man-machine interaction is realized, and real-time and remote management control of operators is facilitated.
2. The network interface supports gigabit, and can realize mass data acquisition and processing of downstream equipment.
3. The sensing module supports various industrial communication protocols such as RS485, CAN and the like, and CAN upload data to the server in a wireless communication mode and support cloud remote configuration. Protocol conversion of different perception networks accessing to the network, unified encapsulation of data in a lower standard format, and assurance of the protocol of different perception networks can be changed into unified data and signaling; and analyzing the data packet issued by the upper layer into a signaling and control instruction which can be identified by a sensing layer protocol, so as to realize effective management of sensing nodes under various communication protocols.
4. The control and processing unit of the SDN gateway of the Internet of things adopts an I.MX8M PLUS microprocessor, can be internally provided with an algorithm to provide additional security for the Internet of things network and data transmitted by the Internet of things network, can have the functions of tamper detection, encryption, a hardware random number generator, an encryption engine and the like, and helps to protect the Internet of things gateway and single equipment from attack.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. An SDN gateway for internet of things, comprising:
the microprocessor is provided with a microprocessor which,
the expansion module is connected with the microprocessor and comprises a general input/output interface and an SPI interface;
the wireless communication control module comprises wireless communication interfaces with various frequency bands and is connected with the microprocessor through the universal input/output interface or the SPI interface;
the interaction module comprises an HDMI interface, the general input/output interface is connected with the microprocessor, and the HDMI interface is connected with the display device.
2. The internet of things SDN gateway of claim 1, wherein: the power supply module comprises a DCDC circuit and an LDO circuit, is connected with the microprocessor and converts input voltage into voltage required by each module in the SDN gateway of the Internet of things during operation.
3. The internet of things SDN gateway of claim 1, wherein: the reset module is connected with the microprocessor through the input/output interface and is used for resetting and restarting the SDN gateway of the Internet of things when the operation of the SDN gateway of the Internet of things is abnormal.
4. The internet of things SDN gateway of claim 1, wherein: the system comprises a microprocessor, an Internet of things SDN gateway, an expansion module, a clock module and an I2C interface, wherein the clock module is connected with the microprocessor through the I2C interface and is used for calibrating the time of the Internet of things SDN gateway.
5. The internet of things SDN gateway of claim 1, wherein: the sensing module comprises a data acquisition unit, a sensor and a CAN bus, wherein the sensor is connected with the microprocessor through the data acquisition unit, and the CAN bus is connected with the microprocessor.
6. The internet of things SDN gateway of claim 1, wherein: the intelligent alarm system comprises a microprocessor, an alarm module, an expansion module and an I2C interface, wherein the alarm module comprises audio equipment, and the audio equipment is connected with the microprocessor through the I2C interface.
7. The internet of things SDN gateway of claim 1, wherein: the system also comprises a network interface module, wherein the network interface module comprises a switch interface and a network interface, and the switch interface and the network interface are both connected with the microprocessor.
8. The internet of things SDN gateway of claim 1, wherein: the system also comprises a storage module, wherein the storage module is connected with the microprocessor.
9. The internet of things SDN gateway of any one of claims 1-8, wherein: the wireless communication interfaces of the multiple frequency bands comprise a first communication interface and a second communication interface, the core frequency band of the first communication interface is 2.4GHZ, and the core frequency band of the second communication interface is 2.4GHZ or 433MHz.
10. The internet of things SDN gateway of any one of claims 1-8, wherein: the expansion module further comprises a Type-C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767298.3U CN219919184U (en) | 2023-04-10 | 2023-04-10 | SDN gateway of Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767298.3U CN219919184U (en) | 2023-04-10 | 2023-04-10 | SDN gateway of Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219919184U true CN219919184U (en) | 2023-10-27 |
Family
ID=88424361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320767298.3U Active CN219919184U (en) | 2023-04-10 | 2023-04-10 | SDN gateway of Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219919184U (en) |
-
2023
- 2023-04-10 CN CN202320767298.3U patent/CN219919184U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104734363B (en) | A kind of High-low voltage switch cabinet system based on Internet of Things | |
| CN101923344B (en) | Remote power-supply control system and control method thereof | |
| CN110320891B (en) | Railway vehicle braking system CAN bus message maintenance monitoring system and monitoring method | |
| CN106300670B (en) | A kind of integrated data inspection analysis system based on electric system | |
| CN113258546B (en) | Chip-level software and hardware cooperative relay protection device | |
| CN111031018B (en) | Transformer substation network security monitoring client system and implementation method thereof | |
| CN111088998B (en) | Coal mine central station monitoring system testing method and device and substation simulation system | |
| CN105137898A (en) | Unmanned substation monitoring host restart system and restart method | |
| CN219919184U (en) | SDN gateway of Internet of things | |
| CN102044914B (en) | Method and device capable of realizing simulation feeder terminal unit | |
| CN204465579U (en) | A kind of Intelligent wireless router | |
| CN115086387B (en) | Control method and device of domain controller, storage medium and electronic device | |
| CN211786734U (en) | PLC controller supporting deterministic data transmission | |
| CN204465598U (en) | A kind of multiprotocol conversion alert Information Remote Transmission System based on MODBUS | |
| CN104079616B (en) | Electrical equipment monitoring method and system | |
| CN208433807U (en) | A kind of distribution net equipment integrated management terminal | |
| CN208722049U (en) | A kind of electric car long-distance monitorng device | |
| CN220776088U (en) | Self-adaptive general sense calculation integrated intelligent acquisition terminal | |
| CN220208120U (en) | Thing networking micro data center | |
| CN213547562U (en) | Engineering safety comprehensive detection system based on multiple sampling units | |
| CN203387522U (en) | Wired transmission data service timing interface server | |
| CN111757091B (en) | Method and device for maintaining equipment through hardware interface | |
| CN204832900U (en) | Unattended substation monitoring host restarts system | |
| CN107888440A (en) | A kind of method for monitoring state, equipment and system | |
| CN212031948U (en) | Intelligent robot and intelligent home system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |