CN218332354U - Novel network remote control circuit - Google Patents

Abstract

The utility model relates to a relay control technical field specifically discloses a novel network remote control circuit, including network interface circuit, power supply circuit, MCU circuit, 485 circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit, network interface circuit, power supply circuit, 485 circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit all with MCU circuit electric connection, power supply circuit respectively with network interface circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit electric connection. The utility model discloses an increase and set up network interface circuit and come into wired network, realize ethernet communication function, can receive the switching command who comes from the network, realize the remote intelligent control to the relay, the function is diversified.

Description

Novel network remote control circuit

Technical Field

The utility model relates to a relay control technical field, in particular to novel network remote control circuit.

Background

A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is generally applied to an automatic control circuit, and is actually an "automatic switch" that uses a small current to control a large current; therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. The innovation direction of the existing relay is continued on overvoltage, overcurrent and low-voltage protection all the time, and the defects that the intelligent control direction is not stopped, the network function is not provided, the remote intelligent control cannot be realized and the like exist.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a neotype network remote control circuit, set up network interface circuit through the increase and come into wired network, realize ethernet communication function, can receive the switch command who comes from the network, realize the remote intelligent control to the relay, the function is diversified.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a novel network remote control circuit, includes network interface circuit, power supply circuit, MCU circuit, 485 circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit, network interface circuit, power supply circuit, 485 circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit all with MCU circuit electric connection, power supply circuit respectively with network interface circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit electric connection.

Preferably, the MCU circuit includes an MCU chip U15, a memory U16, a programming interface P5, a battery BT1, a key SW, and a chip peripheral circuit, and the memory U16, the programming interface P5, the battery BT1, the key SW, and the chip peripheral circuit are all connected to the MCU chip U15.

Preferably, the network interface circuit includes an ethernet chip U10, a network interface J7 and an ethernet chip peripheral circuit, the network interface J7 and the ethernet chip peripheral circuit are both connected to the ethernet chip U10, and the ethernet chip U10 is connected to the MCU chip U15.

Preferably, the power circuit comprises a power management module U1, a power management chip U2, a power management chip U3, a power terminal J2, a voltage stabilizing circuit and a filter circuit, the power terminal J2 is connected with the voltage stabilizing circuit, the power management module U1, the power management chip U2, the voltage stabilizing circuit and the filter circuit are all connected with the power management chip U3, and the power management chip U3 is connected with the MCU chip U15.

Preferably, the 485 circuit includes 485 transceiver U17, communication interface J12, resistance R68, resistance R77, TVS pipe V1, TVS pipe V2, self-resuming fuse RT1 and self-resuming fuse RT2 all with 485 transceiver U17 connects, 485 transceiver U17 with MCU chip U15 connects, communication interface J2 respectively with self-resuming fuse RT1 and self-resuming fuse RT2 connect.

Preferably, the relay output control circuit comprises a plurality of relay output interfaces, a plurality of relays, a plurality of triodes and a plurality of diodes, the relays are respectively connected with the relay output interfaces, the triodes and the diodes, and the triodes are connected with the MCU chip U15.

Preferably, the switching value input detection circuit comprises a plurality of photoelectric couplers, a switching value input peripheral circuit and a switching value input interface P2, the switching value input peripheral circuit and the switching value input interface P2 are connected with the photoelectric couplers, and the photoelectric couplers are connected with the MCU chip U15.

Preferably, the indicator light interface circuit comprises an indicator light interface P1, an indicator light interface P2 and a plurality of light emitting diodes, the light emitting diodes are connected with the indicator light interface P1 and the indicator light interface P2, and the indicator light interface P1 and the indicator light interface P2 are connected with the MCU chip U15.

Adopt above-mentioned technical scheme, the utility model provides a pair of novel network remote control circuit has following beneficial effect: the network interface circuit, the power supply circuit, the 485 circuit, the relay output control circuit, the switching value input detection circuit and the indicator lamp interface circuit in the novel network remote control circuit are electrically connected with the MCU circuit, the power supply circuit is respectively electrically connected with the network interface circuit, the relay output control circuit, the switching value input detection circuit and the indicator lamp interface circuit, the power supply circuit is used for providing a working power supply for each circuit, 9-36V wide voltage power supply is supported, the switching value input detection circuit is used for detecting the on-off of a signal, the 485 circuit is used for accessing a sensing signal, a network interface circuit is additionally arranged to access a wired network, the Ethernet communication function is realized, a switching instruction from the network can be received, the remote intelligent control of the relay is realized, and the functions are diversified; the MCU circuit is used for controlling the working state of each circuit in a centralized manner, has the characteristics of high speed, strong computing capability, high stability, strong anti-interference capability and the like, and meets the use requirement of industrial environment.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic circuit diagram of the MCU circuit of the present invention;

fig. 3 is a schematic circuit diagram of a network interface circuit according to the present invention;

fig. 4 is a schematic circuit diagram of the power supply circuit and the 485 circuit of the present invention;

FIG. 5 is a schematic circuit diagram of the relay output control circuit of the present invention;

fig. 6 is a schematic circuit diagram of the switching value input detection circuit of the present invention;

fig. 7 is a schematic circuit diagram of the interface circuit of the indicating lamp of the present invention;

in the figure, 1 is a network interface circuit, 2 is a power supply circuit, 3 is an MCU circuit, 4 is a 485 circuit, 5 is a relay output control circuit, 6 is a switching value input detection circuit, and 7 is an indicator light interface circuit.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1, the utility model discloses an among the structure block diagram, this novel network remote control circuit includes network interface circuit 1, power supply circuit 2, MCU circuit 3, 485 circuit 4, relay output control circuit 5, switching value input detection circuit 6 and pilot lamp interface circuit 7, this network interface circuit 1, power supply circuit 2, 485 circuit 4, 5 switching value input detection circuit 6 of relay output control circuit and pilot lamp interface circuit 7 all with this MCU circuit 3 electric connection, this power supply circuit 2 respectively with this network interface circuit 1, relay output control circuit 5, switching value input detection circuit 6 and pilot lamp interface circuit 7 electric connection. It can be understood that the MCU circuit 3 is used as the control core of the whole network remote control circuit for centralized controlling the working states of the network interface circuit 1, the power circuit 2, the 485 circuit 4, the relay output control circuit 5, the switching value input detection circuit 6 and the indicator light interface circuit 7, and the whole network remote control circuit can be integrated on one PCB circuit board and installed in the network relay during use.

Specifically, fig. 2 is the utility model discloses well circuit schematic of MCU circuit, this MCU circuit include MCU chip U15, memory U16, burn interface P5, battery BT1, button SW and chip peripheral circuit, this memory U16, burn interface P5, battery BT1, button SW and chip peripheral circuit and all be connected with this MCU chip U15. It can be understood that the MCU main control chip U15 adopts GD32F103CBT6 as a GD32 series 32-bit general MCU product, provides 64 control pins, and receives and processes signals transmitted from the previous circuits in a centralized manner; the memory U16 adopts a 25Q32FVS memory and is used for storing data and the like; this chip peripheral circuit includes crystal oscillator X2, button KEY1, electric capacity C41-C43, resistance R79 and resistance R82 etc. lists circuit main components and parts and relation of connection more than, and all the other components and parts and concrete relation of connection are shown as the attached drawing, the utility model discloses no longer describe repeatedly, following the same reason.

Specifically, fig. 3 is the utility model discloses well network interface circuit's circuit schematic diagram, this network interface circuit include ethernet chip U10, network interface J7 and ethernet chip peripheral circuit, and this network interface J7 and ethernet chip peripheral circuit all are connected with this ethernet chip U10, and this ethernet chip U10 is connected with this MCU chip U15. It can be understood that the ethernet chip U10 adopts a W5500 chip, the network interface J7 adopts an HR911105A interface, and the peripheral circuits of the ethernet chip include a crystal oscillator X1, a resistor R12, a resistor R15, a resistor R26, a resistor R31, a resistor R36, a resistor R39, a resistor R40, a resistor R41, resistors R46 to R49, a capacitor C23, a capacitor C24, capacitors C27 to C34, and an inductor L3; the thirty-second to thirty-fifth pins of the ethernet chip U10 are respectively connected to the fourteenth to seventeenth pins of the MCU chip U15 for implementing SPI signal transceiving, and the ethernet chip U10 supports AES encryption, so that network communication is safer, network registration packets and network heartbeat packets are supported, AT commands and Modbus protocols are supported, and device parameters can be configured.

Specifically, fig. 4 is a schematic circuit diagram of a power supply circuit and a 485 circuit of the present invention, the power supply circuit includes a power management module U1, a power management chip U2, a power management chip U3, a power terminal J2, a voltage stabilizing circuit and a filter circuit, the power terminal J2 is connected to the voltage stabilizing circuit, the power management module U1, the power management chip U2, the voltage stabilizing circuit and the filter circuit are all connected to the power management chip U3, and the power management chip U3 is connected to the MCU chip U15; the diode D3, the diode D6 and the diode D8 of the voltage stabilizing circuit are used for circuit voltage stabilization; the filter circuit comprises a capacitor C14-a capacitor C18 and is used for power supply filtering; this 485 circuit includes 485 transceivers U17, communication interface J12, resistance R68, resistance R77, TVS pipe V1, TVS pipe V2, self-resuming fuse RT1 and self-resuming fuse RT2, this resistance R68, resistance R77, TVS pipe V1, TVS pipe V2, self-resuming fuse RT1 and self-resuming fuse RT2 all are connected with this 485 transceivers U17, this 485 transceivers U17 is connected with this MCU chip U15, this communication interface J2 is connected with this self-resuming fuse RT1 and self-resuming fuse RT2 respectively. As can be understood, the power supply terminal J2 is connected to an external power supply, the power management module U1 employs an RPD10W12E102SR module for converting 220V ac power into 12V ac power, the power management chip U2 employs an L1117T — 3.3V chip for converting 5V power into 3.3V power, and the power management chip U3 employs an XL2596S-5.0E1 chip for converting the connected 12V power into 5V power, thereby providing different operating power for the above circuits; description of the ports: A. 485 positive pole, B, 485 negative pole, G, 485 bus are earthed together.

Specifically, fig. 5 is the utility model discloses relay output control circuit's circuit schematic diagram, this relay output control circuit include a plurality of relay output interface, a plurality of relay, a plurality of triode, a plurality of diode, resistance R16-R38, electric capacity CX1-CX8 etc. and this relay is connected with this relay output interface, triode and diode respectively, and this triode is connected with this MCU chip U15. As can be appreciated, the relay output interface includes interfaces J3-J11, the relay includes relays K1-K8, the transistors include transistors N1-N8, the diodes include diodes D11-D14, diodes D20-D22; the relay output control circuit is used for real-time control, timing control, input linkage, mobile phone control (cloud version), power failure storage and the like, and a dry node is free of voltage output; description of the ports: OUT1-8, the common terminal of the relay output, COM, the normally open end of the relay output, NO.

Specifically, fig. 6 is the utility model discloses well switching value input detection circuitry's circuit schematic diagram, this switching value input detection circuitry includes a plurality of optoelectronic coupler, switching value input peripheral circuit and switching value input interface P2, this switching value input peripheral circuit and switching value input interface P2 all are connected with this optoelectronic coupler, this optoelectronic coupler is connected with this MCU chip U15, this optoelectronic coupler includes optoelectronic coupler U4-U14, its type is EL817. As can be understood, the photoelectric coupler is used for optical coupling isolation, the low level is lower than 0.8V, the high level is higher than 3V, and the switching value of the input range of 0-36V is supported. The switching value input detection circuit has the functions of: real-time acquisition, timed uploading, triggering uploading and linkage output; port description: IN1-8, digital signal input terminal, VCC, positive pole of power output terminal, voltage is equal to power voltage approximately, and GND, negative pole of power output terminal.

Specifically, fig. 7 is the utility model discloses well pilot lamp interface circuit's circuit schematic diagram, this pilot lamp interface circuit include pilot lamp interface P1, pilot lamp interface P2 and a plurality of emitting diode, and this emitting diode connects and is connected with this pilot lamp interface P1 and pilot lamp interface P2, and this pilot lamp interface P1 and pilot lamp interface P2 are connected and all are connected with this MCU chip U15. As can be appreciated, the light emitting diodes include light emitting diodes D1-D17. Description of the ports: RUN, red, flash at 1 second frequency for normal operation; LAN network, green light, green, network physical connection are normal, and the net twine contacts well often brightens; the yellow light and the yellow light are lighted when the equipment receives and transmits network data, and comprise broadcast packets; DI input, IN1-8, red, bright when there is a signal, and off when there is no signal; DO output, OUT1-8, red, normally open contact is on when being attracted, and off when being disconnected; RS485: RXD, red, receive data bright, no data go; TXD, red, send data on, no data off.

It can be understood, the utility model relates to a rationally, the structure is unique, sets up network interface circuit through the increase and inserts the wired network, realizes ethernet communication function, can receive the switching command who comes from the network, has realized ethernet remote control and collection function, can use the management software of former factory standard and join in marriage to manage, also can insert self management software or cloud service system through the secondary development. The system supports AT instructions, modbus TCP/RTU and MQTT protocols, is convenient to access management systems with different protocol standards, and simultaneously supports docking of an Ali cloud IOT platform; the remote intelligent control of the relay is realized, and the functions are diversified; the MCU circuit is used for controlling the working state of each circuit in a centralized manner, has the characteristics of high speed, strong computing capability, high stability, strong anti-interference capability and the like, and meets the use requirement of industrial environment.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (8)

1. A novel network remote control circuit is characterized in that: including network interface circuit, power supply circuit, MCU circuit, 485 circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit, network interface circuit, power supply circuit, 485 circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit all with MCU circuit electric connection, power supply circuit respectively with network interface circuit, relay output control circuit, switching value input detection circuitry and pilot lamp interface circuit electric connection.

2. The novel network remote control circuit of claim 1, wherein: the MCU circuit comprises an MCU chip U15, a memory U16, a burning interface P5, a battery BT1, a key SW and a chip peripheral circuit, wherein the memory U16, the burning interface P5, the battery BT1, the key SW and the chip peripheral circuit are all connected with the MCU chip U15.

3. The novel network remote control circuit of claim 2, wherein: the network interface circuit comprises an Ethernet chip U10, a network interface J7 and an Ethernet chip peripheral circuit, wherein the network interface J7 and the Ethernet chip peripheral circuit are both connected with the Ethernet chip U10, and the Ethernet chip U10 is connected with the MCU chip U15.

4. The novel network remote control circuit of claim 2, wherein: the power supply circuit comprises a power supply management module U1, a power supply management chip U2, a power supply management chip U3, a power supply terminal J2, a voltage stabilizing circuit and a filter circuit, wherein the power supply terminal J2 is connected with the voltage stabilizing circuit, the power supply management module U1, the power supply management chip U2, the voltage stabilizing circuit and the filter circuit are all connected with the power supply management chip U3, and the power supply management chip U3 is connected with the MCU chip U15.

5. The novel network remote control circuit of claim 2, wherein: the 485 circuit includes 485 transceiver U17, communication interface J12, resistance R68, resistance R77, TVS pipe V1, TVS pipe V2, self-resuming fuse RT1 and self-resuming fuse RT2 all with 485 transceiver U17 connects, 485 transceiver U17 with MCU chip U15 connects, communication interface J2 respectively with self-resuming fuse RT1 and self-resuming fuse RT2 connect.

6. The novel network remote control circuit of claim 2, wherein: the relay output control circuit comprises a plurality of relay output interfaces, a plurality of relays, a plurality of triodes and a plurality of diodes, the relays are respectively connected with the relay output interfaces, the triodes and the diodes, and the triodes are connected with the MCU chip U15.

7. The novel network remote control circuit of claim 2, wherein: the switching value input detection circuit comprises a plurality of photoelectric couplers, a switching value input peripheral circuit and a switching value input interface P2, wherein the switching value input peripheral circuit and the switching value input interface P2 are connected with the photoelectric couplers, and the photoelectric couplers are connected with the MCU chip U15.

8. The novel network remote control circuit of claim 2, wherein: the indicating lamp interface circuit comprises an indicating lamp interface P1, an indicating lamp interface P2 and a plurality of light-emitting diodes, the light-emitting diodes are connected with the indicating lamp interface P1 and the indicating lamp interface P2, and the indicating lamp interface P1 and the indicating lamp interface P2 are connected with the MCU chip U15.

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