CN203896511U - Millimeter wave wireless communication industrial ethernet gateway - Google Patents

Abstract

The utility model relates to a millimeter-wave wireless communication industrial Ethernet gateway, which includes a microcontroller, a millimeter-wave radio frequency front-end module, an intermediate frequency processing module and an Ethernet interface; the millimeter-wave radio frequency front-end module includes a wireless transceiver chip; the intermediate frequency The processing module includes a mixed-signal front-end chip, an up-conversion chip and a down-conversion chip; the mixed-signal front-end chip is connected to a wireless transceiver chip; the mixed-signal front-end chip is connected to a microcontroller through an up-conversion chip and a down-conversion chip; The Ethernet interface is connected with the Ethernet input and output pins of the micro-controller; the millimeter wave wireless communication industrial Ethernet gateway of the utility model utilizes the mode of wireless sending and receiving information to solve the cross-connection of industrial Ethernet in industrial applications. The problem of inconvenient line; and through the use of 60GHZ millimeter wave communication technology, the bandwidth and security of wireless information transmission are guaranteed.

Description

A millimeter wave wireless communication industrial Ethernet gateway

technical field

The utility model relates to an industrial Ethernet gateway, in particular to a millimeter wave wireless communication industrial Ethernet gateway.

Background technique

Industrial Ethernet has been applied on a large scale in modern production. For example, Siemens’ Profinet, B&R’s Powerlink and other industrial products have a large number of successful cases; For example, in the transformation and upgrading of a large number of original product systems, it is difficult to meet the pipeline spanning between process equipment. Therefore, the application of industrial Ethernet still faces some obstacles.

Existing civil and commercial wireless technologies such as WiFi face reliability and security issues in industrial data communication. With the expansion of industrial production scale and the improvement of informatization level, the demand for bandwidth is gradually increasing; and 60GHZ millimeter wave communication It has the advantages of high bandwidth and good communication confidentiality. With the rapid development of millimeter integrated circuits, the cost performance of this type of communication technology continues to increase; if a 60GHZ millimeter wave industrial Ethernet gateway is designed, it can serve as an industrial gateway in the case of inconvenient wiring. Ethernet provides a connection method with high bandwidth and high security, thus expanding the space for further application of industrial Ethernet.

Utility model content

The purpose of the utility model is to provide a millimeter wave wireless communication industrial Ethernet gateway in order to overcome the deficiencies of the prior art. the

In order to achieve the above object, the technical solution adopted by the utility model is: a millimeter wave wireless communication industrial Ethernet gateway, including a microcontroller, a millimeter wave radio frequency front-end module, an intermediate frequency processing module and an Ethernet interface; the millimeter wave radio frequency front end The module includes a wireless transceiver chip; the intermediate frequency processing module includes a mixed signal front-end chip, an up-conversion chip and a down-conversion chip; the mixed signal front-end chip is connected to the intermediate frequency signal input and output interface of the wireless transceiver chip; the mixed signal The front-end chip is connected to the microcontroller through the up-conversion chip and the down-conversion chip. The mixed-signal front-end chip converts the intermediate frequency signal into a baseband signal and sends it to the microcontroller through the down-conversion chip. The microcontroller converts the baseband signal into The intermediate frequency signal is sent to the mixed signal front-end chip; the Ethernet interface is connected with the Ethernet input and output pins of the microcontroller.

Preferably, the millimeter-wave radio frequency front-end module further includes a clock circuit; the clock circuit provides clock pulses for the wireless transceiver chip.

Preferably, the millimeter wave frequency band of the wireless transceiver chip is 60GHZ, and the coverage range is 57 to 66GHz.

Preferably, the Ethernet interface is an RJ45 interface with a built-in Ethernet isolation transformer. the

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:

The millimeter-wave wireless communication industrial Ethernet gateway of the utility model solves the problem of inconvenient crossing of industrial Ethernet in industrial applications by using the way of wireless transmission and reception of information; and by using 60GHZ millimeter-wave communication technology, it ensures wireless Information transmission bandwidth and security issues.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the utility model is further described:

Accompanying drawing 1 is the block diagram of millimeter-wave wireless communication industrial Ethernet gateway described in the utility model;

Accompanying drawing 2 is the schematic diagram of each chip connection relationship of the millimeter wave wireless communication industrial Ethernet gateway described in the utility model;

Accompanying drawing 3 is the circuit diagram of the Ethernet interface of the millimeter-wave wireless communication industrial Ethernet gateway described in the utility model.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

As shown in Figures 1-3, a millimeter-wave wireless communication industrial Ethernet gateway described in the present invention includes a microcontroller, a millimeter-wave radio frequency front-end module, an intermediate frequency processing module, an Ethernet interface, and corresponding peripheral basic circuits; The millimeter-wave radio frequency front-end module includes a wireless transceiver chip of the model MKR-V-TXRX and its clock circuit; the millimeter-wave frequency band of the wireless transceiver chip works at 60GHZ, and the coverage is 57 to 66GHz; the clock circuit Clock pulses are provided for the wireless transceiver chip; the intermediate frequency processing module includes a mixed-signal front-end chip with a model AD9862 and an up-conversion chip with a model AD6622 and a down-converter chip with a model AD6620; the mixed-signal front-end chip and the wireless transceiver The IF signal input and output interfaces of the chip are connected, the TxI+, TxI- and TxQ+, TxQ- pins of the wireless transceiver chip are the IF signal input channels, and the Iout+A, Iout-A and Iout+B, Iout-B pin input; RxI+, RxI- and RxQ+, RxQ- of the wireless transceiver chip are I/Q output channels, which output the millimeter wave intermediate frequency signal to VIN+A, VIN-A and VIN+ of the mixed-signal front-end chip B, VIN-B pin; the mixed-signal front-end chip is connected with the microcontroller through the up-conversion chip and the down-conversion chip, and the mixed-signal front-end chip converts the intermediate frequency signal into a baseband signal and transmits it to the microcontroller through the down-conversion chip, The microcontroller converts the baseband signal into an intermediate frequency signal through an up-conversion chip and transmits it to the mixed signal front-end chip; the microcontroller is a single-chip 32-bit controller chip with a model of MCF52233; the Ethernet interface is a model of PRJ-005A The RJ45 interface of the built-in Ethernet isolation transformer; the PHY_RXN/PHY_RXP receiving interface and the PHY_TXN/PHY_TXP transmitting interface of the microcontroller are respectively connected to the R-/R+ and T-/T+ pins of the Ethernet interface, thereby forming a 10M /100M Fast Ethernet interface.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:

The millimeter-wave wireless communication industrial Ethernet gateway of the utility model solves the problem of inconvenient crossing of industrial Ethernet in industrial applications by using the way of wireless transmission and reception of information; and by using 60GHZ millimeter-wave communication technology, it ensures wireless Information transmission bandwidth and security issues.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the utility model.

Claims (4)

1. a millimeter wave wireless communication industry ethernet gateway, is characterized in that: comprise microcontroller, mm wave RF front-end module, intermediate frequency process module and Ethernet interface; Described mm wave RF front-end module comprises wireless transceiver chip; Described intermediate frequency process module comprises mixed signal front-end chip, up-conversion chip and down-conversion chip; Described mixed signal front-end chip is connected with the intermediate-freuqncy signal input and output interface of wireless transceiver chip; Described mixed signal front-end chip is connected with microcontroller with down-conversion chip by up-conversion chip, mixed signal front-end chip is converted to baseband signal by down-conversion chip by intermediate-freuqncy signal and is sent to microcontroller, and microcontroller is converted to intermediate-freuqncy signal by up-conversion chip by baseband signal and is sent to mixed signal front-end chip; Described Ethernet interface is connected with the Ethernet input and output pin of microcontroller.

2. millimeter wave wireless communication industry ethernet gateway according to claim 1, is characterized in that: described mm wave RF front-end module also comprises clock circuit; Described clock circuit provides clock pulse for wireless transceiver chip.

3. millimeter wave wireless communication industry ethernet gateway according to claim 1, is characterized in that: the millimeter wave frequency band of described wireless transceiver chip work is at 60GHZ, and coverage is 57 to 66GHz.

4. millimeter wave wireless communication industry ethernet gateway according to claim 1, is characterized in that: described Ethernet interface is the RJ45 interface of built-in ethernet isolating transformer.