CN212115351U

CN212115351U - PLC cloud gateway device

Info

Publication number: CN212115351U
Application number: CN202020814947.7U
Authority: CN
Inventors: 张文臣
Original assignee: Guangzhou Zhijing Computer System Co ltd
Current assignee: Guangzhou Zhijing Computer System Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-12-08
Anticipated expiration: 2030-05-16

Abstract

The utility model provides a PLC cloud gateway device, include: the main control unit is respectively connected with the MINI PCI-E unit, the universal serial data bus unit, the DDR memory unit, the power supply unit and the SPI NAND FLASH unit; the main control unit is provided with an MT7688 integrated circuit chip; the MINI PCI-E unit is provided with a 4G Cat4 module and a LoraWan module; the universal serial data bus unit is provided with a plurality of RJ45 network ports, RS232 serial ports and RS485 serial ports; the DDR memory unit is provided with a PH/ORP electrode, a temperature sensor and a residual chlorine electrode. The PLC cloud gateway device is designed in an industrial level and is industrial Internet of things data acquisition equipment. Through PLC cloud gateway device can provide long-range download procedure and remote data acquisition function for the industrial automation control PLC equipment that possesses RJ45 net gape or RS232 RS485 serial communication etc..

Description

PLC cloud gateway device

Technical Field

The utility model relates to a technical field of the thing networking especially relates to a PLC cloud gateway device.

Background

With the development of the internet of things and cloud service technology, the cloud requirement on industrial field data is provided and needs to be met urgently. But PLCs already in service in the field typically do not have the capability to upload data to the cloud on their own. If hardware upgrading is carried out, the waste of the existing PLC can be caused, and the upgrading cost is greatly improved.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The utility model provides a butt joint industrial automation control PLC equipment carries out data acquisition, uploads the PLC gateway device in high in the clouds.

The utility model adopts the technical proposal that: a PLC cloud gateway device, comprising: the main control unit is respectively connected with the MINI PCI-E unit, the universal serial data bus unit, the DDR memory unit, the power supply unit and the SPI NAND FLASH unit; the main control unit is provided with an MT7688 integrated circuit chip; the MINI PCI-E unit is provided with a 4G Cat4 module and a LoraWan module; the universal serial data bus unit is provided with a plurality of RJ45 network ports, RS232 serial ports and RS485 serial ports; the DDR memory unit is provided with a PH/ORP electrode, a temperature sensor and a residual chlorine electrode.

Further, the power supply unit is provided with an LM2596-5 chip and is connected with a 5V power supply and/or a 24V power supply.

Further, the power supply unit is provided with an AMS1117 to reduce the voltage of a 5V power supply to 3.3V.

Further, the MT7688 ic chip has 63 ports, the UD _ P of the B24 port is connected to the USB P shunt resistor R19, and the UD _ N of the B25 port is connected to the USB N shunt resistor R15.

Furthermore, the RJ45 net port is provided with a plurality of HR911105A built-in isolation transformer net ports.

Furthermore, the RS232 serial port is provided with a MAX3232 driving module.

Further, the RS485 serial port is provided with a MAX13487 driving module.

Furthermore, the 4G Cat4 module is provided with an ADR720_ PCI connector and a JW5033H power driving module.

Compared with the prior art, the utility model discloses a PLC cloud gateway device adopts the industrial grade design, is an industry thing networking data acquisition equipment. Through PLC cloud gateway device can provide long-range download procedure and remote data acquisition function for the industrial automation control PLC equipment that possesses RJ45 net gape or RS232 RS485 serial communication etc..

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,

FIG. 1: the utility model discloses a structure schematic diagram of a PLC cloud gateway device;

FIG. 2: the utility model discloses a circuit schematic diagram of a master control unit of a PLC cloud gateway device;

FIG. 3: the utility model discloses one of the circuit schematic diagrams of the power supply unit of the PLC cloud gateway device;

FIG. 4: the utility model relates to a second circuit schematic diagram of a power supply unit of a PLC cloud gateway device;

FIG. 5: the utility model discloses a circuit schematic diagram of two RJ45 net mouths built-in isolation transformers of a PLC cloud gateway device;

FIG. 6: the utility model discloses a PLC cloud gateway device RS232 uses SP3232 driven circuit schematic diagram;

FIG. 7: the utility model discloses a RS485 of PLC cloud gateway device uses MAX13487EESA driven circuit schematic diagram;

FIG. 8: the utility model discloses one of the circuit schematic diagrams of the MINI PCI-E connector of a PLC cloud gateway device;

FIG. 9: the utility model discloses a two of PLC cloud gateway device's MINI PCI-E connector's circuit schematic.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Referring to fig. 1 to 9, the present invention provides a PLC cloud gateway device, including: and the main control unit is respectively connected with the MINI PCI-E unit, the universal serial data bus unit, the DDR memory unit, the power supply unit and the SPI NAND FLASH unit. The PLC cloud gateway device is designed in an industrial level and is industrial Internet of things data acquisition equipment. Through PLC cloud gateway device can provide long-range download procedure and remote data acquisition function for the industrial automation control PLC equipment that possesses RJ45 net gape or RS232 RS485 serial communication etc..

Referring to fig. 2, the main control unit has an MT7688 integrated circuit chip, which has A, B, C three parts, respectively, for a total of 63 ports. The main control unit adopts a modular design, is matched with an embedded system, and compatibly supports various PLC protocol inputs;

referring to fig. 2, the a portion has 13 ports, where 12S _ SDI/GPIO0 of the a1 port is connected to 12S SDI, 12S _ SDO/GPIO1 of the a2 port is connected to 12S SDO, 12S _ WS/GPIO2 of the A3 port is connected to 12S, 12S _ CLK/GPIO3 of the A4 port is connected to 12S CLK, 12C _ CLK/GPIO4 of the A5 port is connected to 12C SCLK, 12C _ SD/GPIO5 of the A6 port is connected to 12C SD, 12S _ FLASH of the a7 port is connected to VDD FLASH and inversely connected to diode D6 and then to 3.3V power, SPI _ CSI/6 of the A8 port is connected to CSI and R8 and then to 3V power, SPI _ CLK of the a9 port is connected to CLK, SPI _ o of the a10 port is connected to MISO, SPI _ moso of the a11 port is connected to SPI 3V power, SPI _ CSI/GPIO 8672 is connected to SPI 368672, SPI is connected to SPI 8672, SPI 3 si is connected to SPI 368672.

Referring to FIG. 2, the B portion has 25 ports, the UART _ TXD of the B port accesses UART _ TXD _232, the UART _ RXD of the B port accesses UART _ RXD _232, the RP _ P of the B port accesses RX _ P, the RN _ P of the B port accesses RX _ N, the TP _ P of the B port accesses TX _ P, the TN _ P of the B port accesses TX _ N, the GPIO/TP _ P of the B port accesses TX _ P, the GPIO/TN _ P of the B port accesses TX _ N, the GPIO/RP _ P of the B port accesses RX _ P, the PWM/GPO/RP _ P of the B port accesses PWM _ CH, the PWM/GPO/RN _ P of the B port accesses PWM _ CH, the TXD/PWM/GPIO/TP/PWM of the B port accesses TXD/PWM, the RXD/PWM/RXD/TN of the B port accesses TX _ P, SD _ WP/GPIO22/TP _ P3 of its B15 port accesses SD _ WP, SD _ CD/GPIO23/TN _ P3 of its B16 port accesses SD _ CD, SD _ D1/GPIO24/RP _ P3 of its B17 port accesses SD _ D1, SD _ D0/GPIO25/RN _ P3 of its B18 port accesses SD _ D0, SD _ CLK/GPIO26/RP _ P4 of its B19 port accesses SD _ CLK, SD _ CMD/GPIO27/RN _ P4 of its B20 port accesses SD _ CMD, SD _ D3/28/SD _ P4 of its B21 port accesses SD _ D4, SD _ D4/GPIO 72/TN _ P4 of its B4 port accesses USB _ D4, USB _ GND _ P4 of its B4 port accesses USB _ GND _ P4 and USB _ R4 connects GND _ P4.

Referring to fig. 2, the C portion has 25 ports, and GND of the C1 port, GND of the C3 port, and GND of the C4 port are grounded. RF null connection of C2 port, UART _ RXD1 of C5 port to UART _ RXD1_485, UART _ TXD1 of C6 port to UART _ TXD1_485, WLED _ N/GPIO 7 port to WLED _ N, P0LED/GPIO 7 of C7 port to LINK 7, P1LED/GPIO 7 of C7 port to GPIO _42, P2LED/GPIO 7 of C7 port to GPIO _41, PCIE _ CKP 7 of C7 port to PCIE _ CKP 7, PCIE _ CKP 7 of C7 port to GPIO _ CKN 7 to GPIO _ RXN 7, PCIE _ RXN 7 of C7 port to PCIE _ RXN 7, PCIE _ RXN 7 to pciec _ RXN 7, pciec _ RXN 7 to pciec _ RXN 3, pciec _ RXN _3, pciest _3 _ TXP 3, pciest _ RXN _3 _ pciest _3, pciest _3 _ N _3, pciest _3 _ ctpc 7, pciest _3 _ ctpc _ ctn 7, pciest _3 _ tpicn 7, pciest _3 _ ctn 7, pciest _3 _ ctn 7, pciest _3 _ ctpc, the REF _ CLK/GPIO37 of the C23 port accesses REF _ CLK and the PERST _ N of the C24 port accesses PERST _ N.

Referring to fig. 2, the PLC cloud gateway apparatus may be configured to interface PLC devices of different brands and models and analyze a plurality of PLC device communication protocols. The traditional PLC gateway device is generally only internally provided with a corresponding PLC equipment communication protocol, namely, only one PL equipment analysis protocol is arranged in one gateway, and the traditional PLC gateway device can provide general services for PLC equipment of different brands and different models on the market without using one gateway. The PLC cloud gateway device is characterized in that a main control circuit is in a modularized design, and meanwhile, PLC equipment communication protocols of different brands and different models on the market are built in an embedded system, so that PLC equipment of different brands and different models can be butted through one PLC cloud gateway device, and a user does not need to worry about selecting the PLC gateway device to adapt to the PLC of the user.

Referring to fig. 1 to 4, 8 and 9, a 4G Cat4 module and a LoraWan module are mounted on the MINI PCI-E unit; the 4G Cat4 module is provided with an ADR720_ PCI connector and a JW5033H power driving module. The 4G module circuit uses a standard MINI PCI-E connector, and the power supply circuit uses JW5033H to drive 4V power supply. The PLC cloud gateway device is electrified and automatically networked, and manual operations such as dialing and the like are not needed to participate. Through the design that a standard PCI-E carries a 4G Cat4 Module, the PLC cloud gateway device is automatically networked after being electrified, and does not need manual operations such as dialing and the like. The PLC cloud gateway device can be in butt joint with an Internet of things cloud platform through a communication function provided by an MINI PCI-E4G Cat4 Module and a LoraWan Module, sends acquired PLC device data to a cloud end, and provides data support services for front-end application display carriers such as mobile phone APP, small programs or data large screens through a cloud end API interface.

Referring to fig. 1, 5, 6 and 7, the universal serial data bus unit has a plurality of RJ45 ports, RS232 serial ports and RS485 serial ports; the RJ45 network port is provided with a plurality of HR911105A built-in isolation transformer network ports, and in this embodiment, the RJ45 network port is provided with two HR911105A built-in isolation transformer network ports. And the RS232 serial port is provided with a MAX3232 driving module. The RS485 serial port is provided with a MAX13487 driving module, and the MAX13487 driving module is a full-automatic flow direction control chip.

Referring to fig. 1, the DDR memory cell is provided with a PH/ORP electrode, a temperature sensor, and a residual chlorine electrode.

Referring to fig. 1 to 4, the power supply unit is provided with an LM2596-5 chip, and is connected to a 5V and/or 24V power supply. The power supply unit is provided with an AMS1117 to reduce the voltage of a power supply 5V to 3.3V.

Referring to fig. 1 to 9, after the PLC cloud gateway device is powered on, the PLC cloud gateway device automatically accesses the internet through an internet of things card, an ethernet or a Wi-Fi signal. The PLC cloud gateway device can be added through configuration software, and meanwhile, the brand and the type of PLC equipment needing to be docked are selected. Through PLC private protocol analysis built in the PLC cloud gateway device, different register data in the PLC equipment can be read out and displayed in front-end applications such as a cloud platform or a mobile phone APP, a small program or a data large screen.

As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.

Claims

1. A PLC cloud gateway device, comprising:

the main control unit is respectively connected with the MINI PCI-E unit, the universal serial data bus unit, the DDR memory unit, the power supply unit and the SPI NAND FLASH unit;

the main control unit is provided with an MT7688 integrated circuit chip;

the MINI PCI-E unit is provided with a 4G Cat4 module and a LoraWan module;

the universal serial data bus unit is provided with a plurality of RJ45 network ports, RS232 serial ports and RS485 serial ports;

the DDR memory unit is provided with a PH/ORP electrode, a temperature sensor and a residual chlorine electrode.

2. The PLC cloud gateway device of claim 1, wherein: the power supply unit is provided with an LM2596-5 chip and is connected with a 5V power supply and/or a 24V power supply.

3. The PLC cloud gateway device of claim 2, wherein: the power supply unit is provided with an AMS1117 to reduce the voltage of a power supply 5V to 3.3V.

4. The PLC cloud gateway device of claim 1, wherein: the MT7688 integrated circuit chip is provided with 63 ports, UD _ P of a B24 port of the MT7688 integrated circuit chip is connected with a USB P shunt resistor R19, and UD _ N of a B25 port of the MT7688 integrated circuit chip is connected with a USB N shunt resistor R15.

5. The PLC cloud gateway device of claim 1, wherein: and the RJ45 net port is provided with a plurality of HR911105A built-in isolation transformer net ports.

6. The PLC cloud gateway device of claim 1, wherein: and the RS232 serial port is provided with a MAX3232 driving module.

7. The PLC cloud gateway device of claim 1, wherein: and the RS485 serial port is provided with a MAX13487 driving module.

8. The PLC cloud gateway device of claim 1, wherein: the 4G Cat4 module is provided with an ADR720_ PCI connector and a JW5033H power driving module.