CN218772125U

CN218772125U - EdgeHub edge gateway

Info

Publication number: CN218772125U
Application number: CN202223489842.7U
Authority: CN
Inventors: 陈考敏; 叶锋; 陈成
Original assignee: Guangzhou Yangxin Technology Research Co ltd
Current assignee: Guangzhou Yangxin Technology Research Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-03-28
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the technical field of the thing networking and specifically relates to an EdgeHub edge gateway, including the host computer shell, there is the host computer apron host computer shell upper end through the mounting screw, install the cassette apron on the host computer apron, the guide rail buckle is installed to one side of host computer shell, the host computer shell embeds there is: the EC20 module is connected with an RS485 interface, a USB interface, an Ethernet interface and a Powerbus interface through an interface conversion unit so as to expand the interface, the power supply unit supplies power for the edge gateway, the communication unit is connected with the EC20 module so as to facilitate the communication between the edge gateway and an upper computer, the protocol conversion unit is connected with the EC20 module so as to facilitate protocol conversion, and the EC20 module is used for processing signals and data. The utility model can supply power to the bus, and the communication and the power supply do not need to be electrically isolated; the bus has strong anti-interference capability and can be connected with the mains supply in parallel.

Description

EdgeHub edge gateway

Technical Field

The utility model relates to a technical field of the thing networking specifically is an EdgeHub edge gateway.

Background

The gateway of the internet of things is a gateway product capable of performing protocol conversion and data acquisition, and is also called a network connector and a protocol converter. Industrial internet of things gateways and routers are very similar and serve as bridges between connecting different types of devices and network layers. The existing gateway of the Internet of things adopts a serial connection mode, cannot be used for topological wiring in other connection modes, and has certain limitation; and the communication and power supply need to adopt an electric isolation mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an EdgeHub edge gateway to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an EdgeHub edge gateway, includes the host computer shell, there is the host computer apron host computer shell upper end through the mounting screw, the guide rail buckle is installed to one side of host computer shell, the host computer shell embeds there is: the EC20 module is connected with an RS485 interface, a USB interface, an Ethernet interface and a Powerbus interface through the interface conversion unit so as to expand the interface, the power supply unit supplies power for the edge gateway, the communication unit is connected with the EC20 module so as to facilitate the communication between the edge gateway and an upper computer, the protocol conversion unit is connected with the EC20 module so as to facilitate protocol conversion, and the EC20 module is used for signal and data processing.

Furthermore, the communication unit adopts a 3G/4G module.

Further, the EC20 module is connected to a data forwarding unit.

Further, the EC20 module is connected to a data storage unit.

Further, the EC20 module is connected to a remote upgrade service unit.

Further, the remote upgrade service unit is based on a SIM card interface.

Further, the EC20 module is connected to an edge calculation control unit.

Further, a safety protection unit is connected to the EC20 module.

Further, the EC20 module is connected with a status indicator lamp and a reset circuit, and the status indicator lamp and the reset circuit are connected with a power supply unit.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, the gateway has added the power bus interface, possesses following function: the bus can supply power, and the communication and the power supply do not need electrical isolation; the bus has strong anti-interference capability and can be connected with the mains supply in parallel; 256 devices can be connected at the same time, and the communication distance can reach 3000m; non-polar wiring is supported, and the positive and negative are not divided; any topology wiring is supported: the tree type, the star type and the bus type break the limitation of the traditional serial connection mode; the full-amplitude voltage sending and current signal returning mode is adopted, and high communication interference capacity is provided; the control signal is modulated on the power supply cable, so that the traditional separated control cable and power supply cable are replaced, and the communication stability is greatly improved.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is a diagram of the utility model.

Fig. 3 is a schematic circuit diagram of the EC 20R 2.1 module of the present invention.

Fig. 4 is a schematic diagram of the 24V to 5V power supply of the present invention.

Fig. 5 is a schematic diagram of the power supply for converting 5V to 3.8V according to the present invention.

Fig. 6 is a schematic diagram of the power supply for converting 5V to 3.3V according to the present invention.

Fig. 7 is a schematic diagram of the power supply of the utility model converting from 24V to 12V.

Fig. 8 is a schematic diagram of an ethernet interface circuit according to the present invention.

Fig. 9 is the schematic diagram of the RS485 interface circuit of the present invention.

Figure 10 is the Powerbus interface circuit schematic of the present invention.

Fig. 11 is a schematic diagram of the SIM card interface circuit of the present invention.

Fig. 12 is a schematic diagram of the USB interface circuit of the present invention.

Fig. 13 is a schematic diagram of the status indicator lamp circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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 protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper end", "lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "nested", "sleeved", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-13, the present invention provides a technical solution:

the utility model provides an EdgeHub edge gateway, includes host computer shell 1, host computer apron 2 is installed through screw 3 to 1 upper end of host computer shell, guide rail buckle 4 is installed to one side of host computer shell 1, host computer shell 1 embeds there is: the EC20 module is connected with an RS485 interface, a USB interface, an Ethernet interface and a Powerbus interface through the interface conversion unit so as to expand the interface, the power supply unit supplies power for the edge gateway, the communication unit is connected with the EC20 module so as to facilitate the communication between the edge gateway and an upper computer, the protocol conversion unit is connected with the EC20 module so as to facilitate protocol conversion, and the EC20 module is used for signal and data processing.

The EdgeHub edge gateway adds a Powerbus bus interface on the basis of the original gateway function of the internet of things, and has the following functions: the bus can supply power, and the communication and the power supply do not need electrical isolation; the bus has strong anti-interference capability and can be connected with the mains supply in parallel; 256 pieces of equipment can be simultaneously connected, and the communication distance can reach 3000m; non-polar wiring is supported, and the positive and negative are not divided; any topology wiring is supported: the tree type, the star type and the bus type break the limitation of the traditional serial connection mode; the full-amplitude voltage sending and current signal returning mode is adopted, so that high communication interference capacity is provided; the control signal is modulated on the power supply cable, so that the traditional separated control cable and power supply cable are replaced, and the communication stability is greatly improved.

The EdgeHub edge gateway is embedded with a secondary development platform, so that personalized functions or services can be realized. The built-in communication protocols are rich, such as IEC101, IEC104, modbusRTU, modbusTCP, modbusUDP, MQTT, and the like. The embedded protocol conversion module supports forwarding according to system, area, function block and data priority, and supports rotation training and timely pushing of data change, thereby avoiding the problem of poor data transmission timeliness among multiple system multiple contacts.

The utility model discloses thing networking gateway with Powerbus bus has following advantage for traditional thing networking gateway: the bus can supply power, and the communication and the power supply do not need electrical isolation; the bus has strong anti-interference capability and can be connected with the mains supply in parallel; can support bus current 20A; the bus short circuit protection is provided, and the short circuit is removed to automatically recover the bus; a fault signal reporting function; 256 devices can be hooked at the same time; the communication distance can reach 3000m; supporting non-polar wiring; any topology wiring is supported: tree, star, bus; no special cable requirement exists; the maximum bus voltage can reach 48V; the transparent serial port protocol is compatible with the original RS485 system; the design can be isolated or not isolated, and the electromagnetic compatibility characteristic is ensured.

The Edgehub edge gateway adopts an EC 20R 2.1 module of remote communication, and performs a secondary software development function on the EC 20R 2.1 module, so that an additional main controller is not needed, the system development and debugging cost is reduced, and the system reliability is provided. And the functions of the external RS485 interface, the Powerbus interface and the Ethernet interface are expanded, so that the data acquisition and the data forwarding of the gateway of the Internet of things are completed.

The EC 20R 2.1 module is an LTE Cat 4 wireless communication module proposed by remote communication, adopts an LTE 3GPP Rel 11 technology, and supports the maximum downlink rate of 150Mbps and the maximum uplink rate of 50Mbps; seamless switching between the 3G network and the 4G network is realized; a multi-constellation high-precision positioning GNSS receiver is arranged in the mobile terminal; the product design is simplified, and meanwhile, the positioning speed and the positioning precision are greatly improved. The EC 20R 2.1 module is internally provided with rich network protocols, integrates a plurality of industry standard interfaces and supports a plurality of drivers and software functions.

Powerbus bus interface description:

powerbus bus function adopts main website chip PB620, and main website chip PB620 can adapt to the various wire rods of field usage and realize remote communication's function. The cable can be laid in any mode such as bus type, tree type or star type, and the wiring of greatly making things convenient for the construction to can prevent that the misconnection from taking place, simplify the construction and maintain.

The master chip PB620 is provided with a complete bus fault detection mechanism. When the bus is in a near-end short circuit, the PB620 can immediately turn off the bus, prevent the line accident and protect the main station power device from being damaged.

The BRK (Pin 10) Pin of master chip PB620 is used to indicate whether the bus enters a short-circuit protection state. The bus normally outputs a high level, and the pin signal can be used for reporting signals for processing. When the bus short circuit occurs, the BRK pin outputs low level. When the short circuit is removed, the Powerbus bus can be automatically opened, and the high level of the BRK pin is recovered.

Other technical contents not described in detail in the present invention are known technologies.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an Edgehub edge gateway, includes power supply unit, EC20 module, and communication unit and protocol conversion unit, its characterized in that, the EC20 module is connected with RS485 interface, USB interface, ethernet interface, powerbus interface through interface conversion unit to the expansion interface, power supply unit is the power supply of this edge gateway, communication unit and EC20 module are connected, so that this edge gateway and host computer communication, protocol conversion unit and EC20 module are connected, so that protocol conversion, the EC20 module is used for signal and data processing.

2. The EdgeHub edge gateway of claim 1, wherein the communication unit employs a 3G/4G module.

3. The EdgeHub edge gateway of claim 1, wherein the EC20 module is connected to a data forwarding unit.

4. The EdgeHub edge gateway of claim 1, wherein the EC20 module is coupled with a data storage unit.

5. The EdgeHub edge gateway of claim 1, wherein the EC20 module is coupled with a remote upgrade service unit.

6. The EdgeHub edge gateway of claim 5, wherein the remote upgrade service unit is based on a SIM card interface.

7. The EdgeHub edge gateway of claim 1, wherein the EC20 module is connected to an edge calculation control unit.

8. The EdgeHub edge gateway of claim 1, wherein the EC20 module is connected to a security protection unit.

9. The EdgeHub edge gateway of claim 1, wherein the EC20 module is connected to a status indicator lamp and a reset circuit, and the status indicator lamp and the reset circuit are connected to a power supply unit.