CN210626957U - Intelligent gateway based on ubiquitous power Internet of things - Google Patents
Intelligent gateway based on ubiquitous power Internet of things Download PDFInfo
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- CN210626957U CN210626957U CN201922231592.9U CN201922231592U CN210626957U CN 210626957 U CN210626957 U CN 210626957U CN 201922231592 U CN201922231592 U CN 201922231592U CN 210626957 U CN210626957 U CN 210626957U
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Abstract
The utility model provides an intelligent gateway based on ubiquitous electric power thing networking, it has solved the single and relatively poor technical problem of reliability of current intelligent gateway communication, and it includes processor unit, remote signaling input unit, remote signaling output unit, serial ports communication unit, network communication unit, CAN communication unit, power module, and the processor unit is connected with remote signaling input unit, remote signaling output unit, serial ports communication module, network communication module, CAN communication module, power module electricity respectively, the utility model discloses CAN extensively be used for intelligent gateway field.
Description
Technical Field
The utility model belongs to the technical field of intelligent gateway and specifically relates to an intelligent gateway based on ubiquitous electric power thing networking is related to.
Background
With the continuous progress of computer technology and information communication technology, people-to-people communication is developed to people-to-object and object-to-object communication, and the transition from local object-to-object connection to transverse cross-application and cross-regional internet of things is tended; at present, more and more power equipment has a data transmission function, and the requirements of users can be gradually changed into safe power utilization and green power utilization from power utilization.
The intelligent communication gateway connects equipment or sensors in a small range to the Internet through nodes to realize protocol conversion among different types of network equipment, thereby not only realizing wide area network interconnection, but also having the function of equipment management, managing relevant information of each node through the network and realizing remote control; in an intelligent gateway in an existing power system, protocol communication and a communication interface are single, communication requirements of multi-protocol equipment cannot be met, and users cannot generally receive equipment information in time in the using process, so that the reliability of the intelligent gateway is poor.
Disclosure of Invention
The utility model is to the single and relatively poor technical problem of reliability of current intelligent gateway communication, a communication protocol and communication interface are comparatively comprehensive, the higher intelligent gateway based on ubiquitous electric power thing networking of reliability is provided.
Therefore, the utility model discloses a processor unit, remote signalling input unit, remote signalling output unit, serial communication unit, network communication unit, CAN communication unit, power module, processor unit is connected with remote signalling input unit, remote signalling output unit, serial communication module, network communication module, CAN communication module, power module electricity respectively.
Preferably, the remote signaling input unit adopts a high-voltage-resistance isolation photocoupler, and is connected with a piezoresistor in series.
Preferably, the remote signaling output unit adopts a relay module, and outputs to perform switching control; and the on-off control of the relay coil is realized through the triode.
Preferably, the power module adopts a voltage boosting module to realize voltage conversion and supplies power to the remote signaling input unit and the remote signaling output unit.
Preferably, the processor unit adopts an ARM core processor as a main control chip.
Preferably, the serial communication unit comprises RS485 serial communication and RS232 serial communication.
Preferably, the serial communication unit adopts a capacitance isolation chip to realize the receiving and transmitting isolation.
Preferably, the network communication unit adopts a double-network-port design and comprises a network port control chip and a network port transformer.
Preferably, the CAN communication unit adopts NXP series transceiving control chips to realize transceiving control of the CAN bus.
Preferably, the CAN communication unit adopts a capacitance isolation chip to realize the isolation of signal receiving and transmitting.
The utility model discloses an organic combination of each unit module, possess communication interfaces such as multiple serial ports, two net gapes, CAN mouth, CAN gather on-the-spot multiple electric power parameter and environmental parameter, upload to electric power main website backstage through the net gape, realize the configuration combination of multiple interface, multiprotocol; the communication requirements of field multi-center equipment are met through simple setting of maintenance software, data are uploaded to a main station background through the intelligent gateway, remote monitoring is achieved, a user can achieve interconnection and intercommunication with various communication equipment through parameters of simple configuration protocols, the user can also look over operation data at any time through a terminal, equipment faults are sensed in advance, and the intelligent monitoring system is practical and convenient to maintain and repair in time.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a circuit diagram of a power module;
FIG. 3 is a circuit diagram of a remote signaling input unit;
fig. 4 is a circuit connection diagram of the remote signaling output unit;
FIG. 5 is a circuit diagram of a serial communication unit;
FIG. 6 is a circuit diagram of a network communication unit;
fig. 7 is a circuit connection diagram of the CAN communication unit.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the utility model discloses a processor unit, remote signaling input unit, remote signaling output unit, serial communication unit, network communication unit, CAN communication unit, power module, processor unit are connected with remote signaling input unit, remote signaling output unit, serial communication module, network communication module, CAN communication module, power module electricity respectively.
The processor unit is used as a control unit of the intelligent gateway, adopts a high-performance ARM core processor as a main control chip, has a main frequency as high as 120M, performs network and serial port communication in real time, and simultaneously acquires a remote signaling input unit signal and controls a remote control output unit; the device is communicated with a clock chip through I2C to obtain accurate clock information, an external hardware watchdog chip is used for realizing the stable operation of the device, and an external storage chip is used for storing short message data and numbers.
As shown in fig. 2, the power module rectifies and converts 220V ac voltage into 5V dc voltage to supply power to the whole system, converts 5V voltage into 3.3V voltage to supply power to the processor unit through the voltage reduction chip, and implements voltage conversion by using the voltage boost module to supply power to the remote signaling input unit and the remote signaling output unit.
As shown in fig. 3, the remote signaling input unit adopts a high voltage-resistant isolation photocoupler P127 to realize the acquisition of external switching value signals, and transmits the acquired signals to the processor unit, which is connected in series with a voltage dependent resistor to prevent the device from being burnt out due to overhigh voltage; a boosting module is adopted in the power supply module to boost the voltage of 5V to the voltage of 24V so as to supply power to the remote signaling input unit, realize power supply isolation and simultaneously supply power to the outside.
As shown in fig. 4, the remote signaling output unit adopts a 24V relay module to output a control signal for switching control, and the relay module relays a control signal of a contact external device of an electrical appliance to control the operation state of the device; the signal from the processor unit controls the triode to realize the control of the on-off of the relay coil, thereby controlling the on-off of the relay and further controlling the operation of the equipment; and a boosting module is adopted in the power supply module to boost the voltage of 5V to the voltage of 24V so as to supply power for the remote signaling output unit.
As shown in fig. 5, the serial communication unit includes RS485 serial communication and RS232 serial communication, and multiple wechat MAX13487 communication chips are used to implement RS485 serial communication, and data interaction is implemented through autonomous transceiving control; converting TTL level signals of the processor unit into 232 level signals by adopting an MAX232 chip to realize RS485 serial port communication; adopt electric capacity to keep apart the chip, realize the receiving and dispatching of signal and keep apart, guarantee the safe and reliable of system, adopt self-recovery insurance to prevent that communication line short circuit from leading to equipment to burn out, adopt 6.8V transient state absorption diode and common mode inductor to realize EMC's absorption.
As shown in fig. 6, the network communication unit adopts a dual-network-port design, realizes communication between the intelligent gateway and the outside, and has two network segment data transmission functions, the network port control chip adopts a DM9000A control chip, the network speed is 10/100M adaptive, the network port transformer adopts an H1102 series transformer, and the network port isolation and level signal compatibility are realized.
As shown in fig. 7, the CAN communication unit implements communication between the intelligent gateway and the outside, and implements transceiving control of the CAN bus by using an NXP series transceiving control chip TJA 1050; the capacitor isolation chip is adopted to realize the receiving and transmitting isolation of signals and ensure the safety and reliability of the system, and the special protection chip TCAN for the CAN bus is adopted to realize the EMC protection.
The utility model discloses set up 9 RS485 serial ports, 2 RS232 serial ports, 2 net gapes, 1 CAN communication interface has 3 way remote control outputs and 3 way remote signalling inputs simultaneously, maintains through the company that configuration software CAN conveniently set up various protocol parameters, with the various collection terminal device communications in scene, acquires various electric power parameter and environmental parameter, and the backstage of main website is uploaded to this intelligent gateway of data accessible, realizes remote monitoring.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The intelligent gateway based on the ubiquitous power Internet of things is characterized by comprising a processor unit, a remote signaling input unit, a remote signaling output unit, a serial port communication unit, a network communication unit, a CAN communication unit and a power module, wherein the processor unit is electrically connected with the remote signaling input unit, the remote signaling output unit, the serial port communication module, the network communication module, the CAN communication module and the power module respectively.
2. The intelligent gateway based on the ubiquitous power internet of things according to claim 1, wherein the remote signaling input unit adopts a high-voltage-resistant isolation photocoupler, and is connected in series with a varistor.
3. The ubiquitous power internet of things-based intelligent gateway according to claim 1, wherein the remote signaling output unit adopts a relay module, and outputs to perform switching control; and the on-off control of the relay coil is realized through the triode.
4. The ubiquitous power internet of things-based intelligent gateway of claim 1, wherein the power module adopts the boost module to realize voltage conversion and supply power to the remote signaling input unit and the remote signaling output unit.
5. The ubiquitous power internet of things-based intelligent gateway of claim 1, wherein the processor unit adopts an ARM core processor as a main control chip.
6. The ubiquitous power internet of things-based intelligent gateway of claim 1, wherein the serial port communication unit comprises RS485 serial port communication and RS232 serial port communication.
7. The ubiquitous power internet of things-based intelligent gateway of claim 1, wherein the serial communication unit is isolated by a capacitive isolation chip to achieve transceiving isolation.
8. The ubiquitous power internet of things-based intelligent gateway according to claim 1, wherein the network communication unit is of a dual-network-port design and comprises a network port control chip and a network port transformer.
9. The intelligent gateway based on the ubiquitous power internet of things of claim 1, wherein the CAN communication unit adopts an NXP series transceiving control chip to realize transceiving control of a CAN bus.
10. The ubiquitous power internet of things-based intelligent gateway of claim 1, wherein the CAN communication unit is isolated by a capacitive isolation chip to achieve signal transceiving.
Priority Applications (1)
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CN201922231592.9U CN210626957U (en) | 2019-12-13 | 2019-12-13 | Intelligent gateway based on ubiquitous power Internet of things |
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CN201922231592.9U CN210626957U (en) | 2019-12-13 | 2019-12-13 | Intelligent gateway based on ubiquitous power Internet of things |
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Denomination of utility model: An intelligent gateway based on ubiquitous power Internet of things Effective date of registration: 20210521 Granted publication date: 20200526 Pledgee: Shandong Weihai Rural Commercial Bank Co.,Ltd. Changfeng sub branch Pledgor: Weihai Ruien Electronic Co.,Ltd. Registration number: Y2021990000455 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |