CN212258990U - Intelligent gateway circuit for intelligent terminal power distribution system - Google Patents

Intelligent gateway circuit for intelligent terminal power distribution system Download PDF

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Publication number
CN212258990U
CN212258990U CN202021123985.4U CN202021123985U CN212258990U CN 212258990 U CN212258990 U CN 212258990U CN 202021123985 U CN202021123985 U CN 202021123985U CN 212258990 U CN212258990 U CN 212258990U
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China
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circuit
module circuit
radio frequency
power distribution
frequency control
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CN202021123985.4U
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Chinese (zh)
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罗双
陈连帅
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Shenzhen Taiyong Electric Co ltd
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Shenzhen Taiyong Electric Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The utility model provides an intelligent gateway circuit for an intelligent terminal power distribution system, which comprises a switch power circuit, a radio frequency control circuit, an Ethernet module circuit, a 485 module circuit and a WIFI module circuit; the switching power supply circuit is provided with two paths of power distribution outputs, one path of power distribution outputs is electrically connected with the 485 module circuit after being subjected to linear voltage reduction, and the other path of power distribution outputs is electrically connected with the radio frequency control circuit, the Ethernet module circuit and the WIFI module circuit after being subjected to secondary switching voltage reduction through the linear voltage reduction IC; the communication end of the Ethernet module circuit is connected with the communication end of the radio frequency control circuit; the communication end of the 485 module circuit is connected with the communication end of the radio frequency control circuit; the communication end of the WIFI module circuit is connected with the communication end of the radio frequency control circuit; the utility model discloses reduce intelligent terminal distribution system intelligent gateway's volume, simplified the complexity of circuit, reduced hardware cost and system power consumption, also improved intelligent gateway's reliability and application scope simultaneously.

Description

Intelligent gateway circuit for intelligent terminal power distribution system
Technical Field
The utility model relates to an intelligent terminal distribution system field, more specifically say, relate to an intelligent gateway for intelligent terminal distribution system.
Background
Along with the construction of domestic smart cities and the promotion of smart communities in recent years, the demand of society and families on electric power energy is increasing day by day, so that the contradiction between supply and demand is more and more prominent, meanwhile, advanced communication, information and control technologies penetrate into various neighborhoods of people' lives, and the intelligent gateway circuit of the existing intelligent terminal power distribution system is complex, the hardware cost is high, and the system power consumption is high.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims to reduce intelligent terminal distribution system intelligent gateway's volume, simplified the complexity of circuit, reduced hardware cost and system power consumption, also improved an intelligent gateway's reliability and application scope simultaneously and an intelligent gateway circuit for intelligent terminal distribution system.
The technical scheme of the utility model as follows:
an intelligent gateway circuit for an intelligent terminal power distribution system comprises a switching power supply circuit, a radio frequency control IC, an Ethernet module circuit, a 485 module circuit and a WIFI module circuit; the switching power supply circuit is provided with two paths of power distribution outputs, one path of power distribution outputs is electrically connected with the 485 module circuit after being subjected to linear voltage reduction, and the other path of power distribution outputs is electrically connected with the radio frequency control IC, the Ethernet module circuit and the WIFI module circuit after being subjected to secondary switching voltage reduction through the linear voltage reduction IC; the Ethernet module circuit is connected with the radio frequency control IC; the 485 module circuit is connected with a radio frequency control IC; and the communication end of the WIFI module circuit is connected with the communication end of the radio frequency control IC.
Further, in order to realize data interaction between the intelligent gateway and the terminal device and the server, the radio frequency control is used for processing zigbee data information and data information of each module electrically connected with the zigbee data information, and the EFR32MG21 chip is used by the circuit.
Further, the switching power supply circuit uses an LNK364 chip and MB 10F.
Furthermore, the Ethernet module circuit uses a W5500 Ethernet transceiver chip and completes communication conversion with a serial port of the radio frequency control IC.
Further, in order to realize electrostatic protection of the intelligent gateway network communication port, the Ethernet chip of the Ethernet module circuit is connected with the Ethernet communication port FC-256YNL through an ESD diode USBLC6-4SC 6.
Further, in order to achieve relatively low cost and relatively few devices, the 485 module circuit uses a MAX13487 chip and is electrically connected with the radio frequency control IC through optical coupling isolation.
Further, the WIFI module circuit uses an ESP8266 chip.
The utility model has the advantages that:
the utility model provides an intelligent gateway circuit and method based on intelligent terminal distribution system has reduced intelligent terminal distribution system intelligent gateway's volume, has simplified the complexity of circuit, has reduced hardware cost and system's consumption, has also improved intelligent gateway's reliability and application scope simultaneously.
Drawings
Fig. 1 is the utility model relates to a circuit structure schematic diagram of an intelligent gateway circuit for intelligent terminal power distribution system.
Fig. 2 is the utility model relates to a switching power supply circuit diagram of intelligent gateway circuit for intelligent terminal power distribution system.
Fig. 3 is a circuit diagram of a radio frequency control IC of an intelligent gateway circuit for an intelligent terminal power distribution system.
Fig. 4 is the utility model relates to an ethernet module circuit diagram of intelligent gateway circuit for intelligent terminal power distribution system.
Fig. 5 is the utility model relates to a 485 module circuit diagrams of intelligent gateway circuit for intelligent terminal distribution system.
Fig. 6 is the utility model relates to a WIFI module circuit diagram of intelligent gateway circuit for intelligent terminal distribution system.
Detailed Description
The principles and features of the present invention are described below in conjunction with the embodiments, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, an intelligent gateway circuit for an intelligent terminal power distribution system includes a switching power supply circuit 100, a radio frequency control IC200, an ethernet module circuit 300, a 485 module circuit 400, and a WIFI module circuit 500; the switching power supply circuit 100 has two paths of power distribution outputs, one path is electrically connected with the 485 module circuit 400 after being subjected to linear voltage reduction, and the other path is electrically connected with the radio frequency control IC200, the Ethernet module circuit 300 and the WIFI module circuit 500 after being subjected to secondary switching voltage reduction through the linear voltage reduction IC; the Ethernet module circuit 300 is connected with the radio frequency control IC 200; the 485 module circuit 400 is connected with the radio frequency control IC 200; and the communication end of the WIFI module circuit 500 is connected with the communication end of the radio frequency control IC 200.
Further, the rf control IC200 uses an EFR32MG21 chip.
Further, the switching power supply circuit 100 uses an LNK364 chip and MB 10F.
Further, the ethernet module circuit 300 uses a W5500 ethernet transceiver chip, and completes communication conversion with the serial port of the rf control IC 200.
Further, the 485 module circuit 400 uses a MAX13487 chip and is electrically connected to the rf control IC200 through optical coupling isolation.
Further, the WIFI module circuit 500 uses an ESP8266 chip.
The utility model discloses a theory of operation:
as shown in fig. 2 to 6, the switching power supply circuit 100 of the present invention includes: the switching power supply circuit 100 further comprises an input filter, an absorption circuit, a transformer, a buffer circuit, a power management IC, a feedback circuit and a post-stage filter circuit, wherein the input filter, the absorption circuit, the transformer, the buffer circuit, the power management IC, the feedback circuit and the post-stage filter circuit are included in the switching power supply circuit 100.
Further, the negative output end of the rectifier bridge is defined as a primary ground, the input filter comprises a capacitor C7, a capacitor C8 and an inductor L1, wherein the positive output end of the rectifier bridge is connected to the positive end of the capacitor C7, the negative end of the capacitor C7 is connected to the primary ground, the positive output end is connected to one end of an inductor L1 after passing through the capacitor C7, the other end of the inductor L1 is connected to the positive end of the capacitor C8, the negative end of the capacitor C8 is connected to the primary ground, and the types of the capacitor C7 and the capacitor C8 are determined according to the output power (3-4 uF/W). The absorption circuit comprises a diode D3 and a voltage regulator tube D7, the positive end of the diode is connected to the positive end of the capacitor C8, the negative end of the diode is connected to the negative end of the voltage regulator tube D7, and the positive end of the voltage regulator tube is connected to the pin 4 of the power management IC.
Further, the transformer is designed for 3 windings (secondary double winding output), the magnetic core framework is EPC-13, the primary inductance is 2mH, the number of primary winding turns is 126, the number of secondary main winding turns is 6, the number of secondary winding turns is 16, pins 4 and 5 of the transformer are primary, pins 6 and 7 are secondary main winding output, and pins 9 and 10 are secondary auxiliary winding output.
Further, the transformer pin 6 output is defined as the secondary ground, the transformer pin 7 is connected to the positive terminal of the capacitor C10 after being connected in series with the diode D5, and the negative terminal of the capacitor C10 is connected to the secondary ground. The buffer circuit comprises a resistor R3 and a capacitor C9, a transformer pin 7 is connected with the resistor R3 and the capacitor C9 in series and is connected to the negative end of a diode D3, and the secondary output of the transformer is connected to the input end of the feedback circuit after being filtered. The feedback circuit comprises a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C11, an optocoupler J1 and a triode U3. Specifically, the positive terminal of capacitor C10 is connected to triode pin R through resistance R6, resistance R7 partial pressure, triode U3's pin a is connected to ground, simultaneously, diode D5 negative terminal is connected to triode U3's pin K through electric group R4, resistance R5, optocoupler J1 primary positive terminal and resistance R4, R5 tie point are connected, optocoupler J1 primary negative terminal and triode U3's pin K are connected, optocoupler J1 secondary collector is connected with power management IC U2 pin 1, optocoupler J1 secondary emitter is connected with power management IC U2 pin 2.
Further, the output of the transformer pin 10 is defined as 485 ground, the transformer pin 9 is connected in series with the diode D1 and then connected to the input terminal of the linear power chip U1 through the filter capacitor C3 and the filter capacitor C4, and the output terminal of the linear power chip U1 is electrically connected to the 485 module circuit after being filtered through the capacitor C5 and the capacitor C6.
Furthermore, the radio frequency control IC integrates a zigbee function and an MCU, and is a microprocessor with a zigbee data transceiving function and signal control.
Further, pins 1, 2, 3, and 4 of the rf control IC are connected to SPI communication pins 32, 33, 34, and 45 of the ethernet module W5500, and pin 6 of the rf control IC is connected to a reset pin 37 of the ethernet module W5500.
Furthermore, a signal transceiving pin 1 of the W5500 chip U4A of the ethernet module circuit is connected to a pin 1 of the ethernet communication port RJ45 through a pin 6 of the ESD diode D7, a pin 2 of the W5500 chip U4A is connected to a pin 2 of the ethernet communication port RJ45 through a pin 1 of the ESD diode D7, a pin 5 of the W5500 chip U4A is connected to a pin 7 of the ethernet communication port RJ45 after being connected to a pin 4 of the ESD diode D7 through a series capacitor C27, and a pin 6 of the W5500 chip U4A is connected to a pin 6 of the ethernet communication port RJ45 after being connected to a pin 3 of the ESD diode D7 through a series capacitor C30.
Further, pins 22 and 23 of the rf control IC are connected to UART communication pins of the 485 module circuit.
Further, a pin 21 of the radio frequency control IC is connected with a reset pin of the WIFI module, and pins 28 and 29 of the radio frequency control IC are respectively connected with a UART communication pin of the WIFI module circuit through a series buffer resistor R4 after being filtered by a capacitor C2 and a series buffer resistor R1 after being filtered by a capacitor C1.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and not to limit the protection scope of the present invention.

Claims (6)

1. The utility model provides an intelligent gateway circuit for intelligent terminal power distribution system which characterized in that: the wireless sensor network controller comprises a switching power supply circuit (100), a radio frequency control IC (200), an Ethernet module circuit (300), a 485 module circuit (400) and a WIFI module circuit (500); the switching power supply circuit (100) is provided with two paths of power distribution outputs, one path of power distribution outputs is electrically connected with the 485 module circuit (400) after being subjected to linear voltage reduction, and the other path of power distribution outputs is electrically connected with the radio frequency control IC (200), the Ethernet module circuit (300) and the WIFI module circuit (500) after being subjected to secondary switching voltage reduction through the linear voltage reduction IC; the Ethernet module circuit (300) is connected with a radio frequency control IC (200); the 485 module circuit (400) is connected with a radio frequency control IC (200); and the communication end of the WIFI module circuit (500) is connected with the communication end of the radio frequency control IC (200).
2. The intelligent gateway circuit for an intelligent terminal power distribution system of claim 1, wherein: the radio frequency control IC (200) uses an EFR32MG21 chip.
3. The intelligent gateway circuit for an intelligent terminal power distribution system of claim 1, wherein: the switching power supply circuit (100) uses an LNK364 chip and MB 10F.
4. The intelligent gateway circuit for an intelligent terminal power distribution system of claim 1, wherein: the Ethernet module circuit (300) uses a W5500 Ethernet transceiver chip and completes communication conversion with a serial port of the radio frequency control IC (200); the Ethernet chip of the Ethernet module circuit (300) is connected with the Ethernet communication port FC-256YNL through an ESD diode USBLC6-4SC 6.
5. The intelligent gateway circuit for an intelligent terminal power distribution system of claim 1, wherein: the 485 module circuit (400) uses a MAX13487 chip and is electrically connected with the radio frequency control IC (200) through optical coupling isolation.
6. The intelligent gateway circuit for an intelligent terminal power distribution system of claim 1, wherein: the WIFI module circuit (500) uses an ESP8266 chip.
CN202021123985.4U 2020-06-17 2020-06-17 Intelligent gateway circuit for intelligent terminal power distribution system Active CN212258990U (en)

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CN202021123985.4U CN212258990U (en) 2020-06-17 2020-06-17 Intelligent gateway circuit for intelligent terminal power distribution system

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Application Number Priority Date Filing Date Title
CN202021123985.4U CN212258990U (en) 2020-06-17 2020-06-17 Intelligent gateway circuit for intelligent terminal power distribution system

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CN212258990U true CN212258990U (en) 2020-12-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113759796A (en) * 2021-09-22 2021-12-07 上海灏领科技集团有限公司 Intelligent gateway for collecting and controlling industrial MCU

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113759796A (en) * 2021-09-22 2021-12-07 上海灏领科技集团有限公司 Intelligent gateway for collecting and controlling industrial MCU
CN113759796B (en) * 2021-09-22 2024-04-09 上海灏领科技集团有限公司 Intelligent gateway for collecting and controlling industrial MCU

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