CN217428144U - Wisdom pump house edge gateway - Google Patents

Abstract

The utility model provides an intelligent pump room edge gateway, which comprises a communication processor, a Wi F i module, a data acquisition module and a communication interface, wherein the data acquisition module and the communication interface are both connected with the communication processor which is connected with the Wi Fi module; the data acquisition module receives pump room data acquired by the sensor at least based on a Modbus RTU protocol, a ModbsTCP protocol, an analog quantity interface and a digital quantity interface; the communication interface at least comprises an SPF optical port, a WAN interface, a LAN interface and an SIM card port; and the communication processor is used for calculating and processing the acquired pump room data, editing and generating an address table, and uploading the address table to the server and the terminal management platform through the MQTT. Through the scheme, the pump house data of different types can be processed in a centralized manner, the requirements of users on shared access, monitoring, setting and the like are met, the convenience of operation and maintenance can be improved, and the operation and maintenance cost is reduced.

Description

Wisdom pump house edge gateway

Technical Field

The utility model relates to a gateway field especially relates to a wisdom pump house edge gateway.

Background

With the proposal of intelligent water affair and intelligent control concepts, the control data acquisition of the secondary water supply platform has higher requirements. At present, for data acquisition and transmission of various devices and various interfaces, data is difficult to integrate and process due to non-uniform acquisition and communication standards and non-uniform interface types of various manufacturers, and corresponding uploading, sharing and accessing requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a wisdom pump house edge gateway to solve the problem that multiple pump house data is difficult to integrated processing.

In a first aspect of the embodiments of the present invention, a smart pump room edge gateway is provided, which at least includes a communication processor, a WiFi module, a data acquisition module and a communication interface, wherein the data acquisition module and the communication interface are both connected to the communication processor, and the communication processor is connected to the WiFi module;

the data acquisition module receives pump room data acquired by the sensor at least based on a Modbus RTU protocol, a ModbsTCP protocol, an analog quantity interface and a digital quantity interface;

the communication interface at least comprises an SPF optical port, a WAN interface, an LAN interface and an SIM card port;

and the communication processor is used for calculating and processing the acquired pump room data, editing and generating an address table, and uploading the address table to the server and the terminal management platform through the MQTT.

In one embodiment, the data acquisition module further comprises a direct current power supply, and the direct current power supply is used for supplying power to the external pump room data acquisition equipment, so that the equipment can work normally.

In one embodiment, the digital quantity input interface is connected with a sensor device for switching quantity signals to form a signal loop.

In one embodiment, the analog input interface is connected with the water level sensor, the water tank liquid level device and the electric contact pressure gauge and used for acquiring and converting 4-20mA analog signals, checking a current value through the gateway data monitoring platform and displaying the corresponding analog signals to external detection equipment.

In one embodiment, the WAN interface and the LAN interface are connected with the terminal equipment to realize network connection and protocol conversion.

In one embodiment, the data acquisition module comprises 4 paths of RS485/RS232 serial ports, 2 paths of analog quantity input interfaces and 4 paths of digital quantity input interfaces.

In one embodiment, the communication interfaces include 3 SPF optical ports, 1 WAN interface, and 7 LAN interfaces.

In one embodiment, the input end of a power module of the intelligent pump room edge gateway is connected with an LC low-pass filter circuit, and the output end of the power module is connected with an electrolytic capacitor and a chip resistor.

In one embodiment, the analog quantity signal sampling circuit adopts an analog quantity input mode with selectable voltage and current, and the dial switch determines voltage mode or current mode sampling.

The embodiment of the utility model provides an in, through the serial ports, the pump house data of different formats are gathered such as modulus interface, based on communication processor data processing and conversion, carry out data upload based on MQTT, and carry out the communication protocol conversion based on Mod bus, with the external equipment communication, thereby can realize the centralized processing to the pump house data through the gateway, satisfy data sharing access, upload, demand such as setting, can the customer end carry out the real time monitoring of data and set up the modification, very big improvement operation maintenance's convenience and the cost that reduces fortune dimension.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an intelligent pump room edge gateway according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a gateway system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an external USB signal conversion circuit according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a Wifi module power supply circuit according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a digital-analog signal acquisition circuit according to an embodiment of the present invention.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described in the embodiments of the present invention with reference to the drawings, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the following principles and features of the present invention described below with reference to the accompanying drawings, and the examples mentioned only explain the present invention, but are not used to limit the scope of the present invention.

The terms "comprises" and "comprising," when used in this specification and claims, and in the accompanying drawings and figures, are intended to cover non-exclusive inclusions, such that a process, method or system, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements. In addition, "first" and "second" are used to distinguish different objects, and are not used to describe a specific order.

Referring to fig. 1, an intelligent pump room edge gateway provided in an embodiment of the present invention at least includes a communication processor 110, a WiFi module 120, a data acquisition module 130, and a communication interface 140, where the data acquisition module 130 and the communication interface 140 are both connected to the communication processor 110, and the communication processor 110 is connected to the WiFi module 120;

the communication processor 110 is configured to perform calculation processing on the acquired pump room data, edit and generate an address table, upload the address table to a server and a terminal management platform through MQTT, and communicate with an external display screen management platform and an APP through MODBUS;

specifically, the communication processor calculates and processes the acquired data, uploads the acquired data to a server and a terminal management platform through MQTT (Message Queuing Telemetry Transport), the PC client can acquire data information from the server, and the processor can edit and generate an address bit table, realize communication with an external display screen management platform and APP through MODBUS (Modbus communication protocol), and perform real-time detection and setting of data. As shown in FIG. 2, after different interfaces of wisdom pump house edge gateway acquire pump house data, upload to server, terminal management platform based on MQTT respectively, transmit to display screen management platform, user APP based on MODBUS.

The WiFi module 120 is configured to perform wireless transmission of data;

the data acquisition module 130 receives pump room data acquired by the sensor at least based on a Modbus RTU protocol, a ModbsTCP protocol, an analog quantity interface and a digital quantity interface, and comprises an RS485/RS232 serial port, an analog quantity input interface and a digital quantity input interface;

specifically, the device comprises 4 paths of RS485/RS232 serial ports, 2 paths of analog quantity input interfaces and 4 paths of digital quantity input interfaces.

The data acquisition module further comprises a direct-current power supply, and the direct-current power supply is used for supplying power to the external pump room data acquisition equipment, so that the equipment can work normally. The direct current power supply comprises a 12V/3A DC output and a 24V/2A DC output, provides power for a remote switch, a current detection device and the like, supplies power for external signal acquisition devices such as an external water sensor, a temperature controller, a water tank liquid level device and the like, provides a power supply loop, and enables the devices to work normally.

Digital quantity input interface inserts the sensor equipment of switching value signals such as water logging sensor, is supplied power by gateway 24V power supply mouth, forms signal loop, after the signal of equipment is gathered to the interface, upload the server cloud with the signal through the MQTT agreement by the gateway is inside, the information of equipment just can be gathered to wisdom water affair platform, signal information also can be at the inside address information that forms of gateway simultaneously, with external touch-sensitive screen, cell-phone APP communication, the pump house information of gathering the sensor is obtained through protocol conversion. Furthermore, an operator can access the PLC through an MQTT protocol according to the acquired pump room information, and control the PLC to set and manage corresponding equipment.

The analog input interface is connected with analog signal devices such as a low water level sensor, a water tank liquid level device and an electric contact pressure gauge, the interface acquires 4-20mA analog signal conversion, a gateway data monitoring platform checks a current value, data are converted into corresponding analog signals, and the analog signals are displayed on external detection equipment. Meanwhile, address information can be formed in the gateway through signal information, and the external touch screen and the mobile phone APP can acquire data collected by the sensor based on communication protocol conversion. Further, an operator can access the PLC through an MQTT protocol according to the acquired pump room information, and control the PLC to set and manage corresponding equipment.

The serial port input end can access external equipment such as a temperature controller and an electric energy meter, the equipment can be powered by an external power supply, a DC output port of a gateway can be selected for supplying power, an AB signal of the equipment is accessed into an AB serial port of the gateway, communication between the equipment and the gateway is realized, real-time data of the equipment is transmitted to a PC display page of the gateway, and real-time monitoring and setting can be carried out through configuration of an electric meter of the gateway, so that the equipment can normally run.

The communication interface 140 at least comprises an SPF optical port, a WAN interface, a LAN interface and a SIM card port;

specifically, the system comprises 3 SPF optical ports, 1 WAN interface and 7 LAN interfaces. The SPF optical port supports a single-mode multimode optical fiber, ring network management and ring link network topology; the WAN interface is adaptive to MDI and MDIX, electromagnetic isolation protection is built in the WAN interface, and the LAN interface supports data interaction sharing in a local area network.

The WAN and LAN interfaces can be connected with a plurality of terminal devices simultaneously, have the function of network communication, and enable the gateway to be converted and communicated with an external PC end protocol through an MQTT protocol.

The intelligent pump room edge gateway collects sensor equipment information through an analog input interface, a digital input interface and an RS485 serial port, then realizes network connection through WAN and LAN, provides lightweight equipment management, and simultaneously performs PLC logical programming calculation, and performs real-time data setting and analysis management to realize intelligent collection and management of remote equipment.

In one embodiment, as shown in fig. 3, a DM DP signal externally connected to the USB passes through two 22 Ω resistors and passes through the TPD2E001 dual-path transient suppression voltage suppressor, so as to protect the signal input of the USB and avoid signal crosstalk and chip damage.

In one embodiment, as shown in fig. 4, the gateway supports multiple WIFI connectors, and in order to ensure stable operation of the circuit, the internal power supply selects a high-power supply module, and the external 24V is converted into the internal 5V. The input end is connected with an LC low-pass filter circuit to avoid the damage of voltage fluctuation to the module circuit, the output end is connected with the load of a C93100 uf/50V electrolytic capacitor and a 120 omega patch resistor, the module can be matched with the parameters for use, and the power output efficiency is increased.

In an embodiment, as shown in fig. 5, an AI analog signal sampling circuit of a gateway adopts an analog input mode with selectable voltage and current, a dial switch J12J 13 determines voltage type or current type sampling, the voltage type input range is 0-10V, the reference of the current type is 4-20ma, after analog sampling, the analog is connected to a TL084CDT analog amplifier circuit and powered by dual power sources, after a signal output R3 load is connected to an RC filter circuit, the output of the follower circuit is connected to an R4 load, the R2 is connected to a reference 3V pull-up and then connected to a processor, and D2 is used as a clamp diode to clamp the circuit voltage at 3.3V and protect the input signal of the processor. The analog quantity circuit has the advantages of reliable design, strong stability, wide circuit sampling range and selectable voltage and current types.

In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. An intelligent pump room edge gateway is characterized by at least comprising a communication processor, a WiFi module, a data acquisition module and a communication interface, wherein the data acquisition module and the communication interface are connected with the communication processor, and the communication processor is connected with the WiFi module;

the data acquisition module receives pump room data acquired by the sensor at least based on a Modbus RTU protocol, a ModbsTCP protocol, an analog quantity interface and a digital quantity interface;

the communication interface at least comprises an SPF optical port, a WAN interface, a LAN interface and an SIM card port;

and the communication processor is used for calculating and processing the acquired pump room data, editing and generating an address table, and uploading the address table to the server and the terminal management platform through the MQTT.

2. The gateway of claim 1, wherein the data acquisition module further comprises a dc power supply, and the dc power supply is used for supplying power to the external pump room data acquisition device, so that the device can work normally.

3. The gateway of claim 1, wherein the digital input interface is connected to a sensor device for switching signals to form a signal loop.

4. The gateway of claim 1, wherein the analog input interface is connected with the water level sensor, the water tank level gauge and the electro-contact pressure gauge, and is used for acquiring and converting a 4-20mA analog signal, checking a current value through the gateway data monitoring platform, and displaying a corresponding analog signal on an external detection device.

5. The gateway of claim 1, wherein the WAN interface and the LAN interface are connected to the terminal device to implement network connection and protocol conversion.

6. The gateway of claim 1, wherein the data acquisition module comprises 4 RS485/RS232 serial ports, 2 analog input interfaces, and 4 digital input interfaces.

7. The gateway of claim 1, wherein the communication interfaces comprise 3 SPF optical ports, 1 WAN interface, and 7 LAN interfaces.

8. The gateway according to claim 1, wherein an input end of a power module of the gateway is connected to the LC low-pass filter circuit, and an output end of the power module of the gateway is connected to the electrolytic capacitor and the chip resistor.

9. The gateway of claim 1, wherein the analog signal sampling circuit determines the voltage-mode or current-mode sampling by the dial switch in a voltage-current selectable analog input mode.

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