CN218601701U

CN218601701U - Industrial IO communication module

Info

Publication number: CN218601701U
Application number: CN202222340164.1U
Authority: CN
Inventors: 吴超; 陈涛; 刘景瑞; 丁子祥
Original assignee: Soft Control Shenzhen Automation Technology Co ltd
Current assignee: Soft Control Shenzhen Automation Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-10
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to an industry IO communication module, including digital input module, digital input module includes input protection circuit, first isolating circuit and signal acquisition circuit, input protection circuit with first isolating circuit electric connection, signal acquisition circuit with first isolating circuit electric connection; the data processing module comprises an MCU, an IO control interface and an EtherCAT interface, and the signal acquisition circuit, the IO control interface and the EtherCAT interface are electrically connected with the MCU; and a digital quantity output module. The IO communication module can reduce the connection mode among all the parts, so that the field environment is clean, tidy and not messy; not only saved the cost of cable material resources, still reduced the trouble that phenomena such as short circuit, excessive pressure and overcurrent caused simultaneously, and then can effectual promotion production's operating efficiency.

Description

Industrial IO communication module

Technical Field

The utility model relates to an industrial control equipment technical field especially relates to an industry IO communication module.

Background

With the progress of science and technology, more and more factories and production lines realize automatic control, and the automation integration level is increased from the previous unit level to the production line level, the workshop level and even the factory level. In the practical implementation process, a central controller is mostly used for controlling devices and equipment on the whole production line, so that the whole production line can conveniently carry out unified operation. In this case, the number of lines on the production operation environment site is large, and people must connect one line when laying the lines between the existing production operation environment and the disk cabinets, and have the problem of voltage attenuation when the distances are all long. And the problems of too high production cost, too large interference and the like caused by the wiring problem even influence the normal transmission of the control signal in serious cases.

SUMMERY OF THE UTILITY MODEL

The utility model provides an industry IO communication module for solve and be connected complicated problem between controlgear and the executive equipment among the prior art.

In order to solve the above problem, the utility model provides an industry IO communication module, include:

the digital quantity input module comprises an input protection circuit, a first isolation circuit and a signal acquisition circuit, wherein the input protection circuit is electrically connected with the first isolation circuit, and the signal acquisition circuit is electrically connected with the first isolation circuit;

the data processing module comprises an MCU, an IO control interface and an EtherCAT interface, and the signal acquisition circuit, the IO control interface and the EtherCAT interface are electrically connected with the MCU;

the digital quantity output module comprises a signal conversion circuit, a second isolation circuit, a driving circuit and an output protection circuit, wherein the signal conversion circuit is electrically connected with the MCU, the second isolation circuit is electrically connected with the signal conversion circuit, the driving circuit is electrically connected with the second isolation circuit, and the output protection circuit is electrically connected with the second isolation circuit.

In a preferred embodiment, the industrial IO communication module further includes an analog module, and the analog module includes an analog circuit, and the analog circuit is electrically connected to the MCU.

In a preferred embodiment, the analog circuit includes a head chip and a plurality of analog branches, and each of the plurality of analog branches is electrically connected to the head chip.

In a preferred embodiment, the data processing module further includes an RJ45 input interface and an RJ45 output interface, and both the RJ45 input interface and the RJ45 output interface are electrically connected to the EtherCAT interface.

The beneficial effects of the utility model are that: the utility model provides an industry IO communication module, including digital input module, data processing module and digital output module, wherein digital input module includes input protection circuit, first isolation circuit and signal acquisition circuit, data processing module includes MCU, IO control interface and etherCAT interface, digital output module includes signal conversion circuit, second isolation circuit, drive circuit and output protection circuit, be connected through the etherCAT interface and the data interface of control device and executive device during the connection, be connected IO control interface and the control interface of control device and executive device simultaneously, make the site environment clean, clean and tidy, not in disorder; not only save the cost of cable material resources, still reduced the trouble that phenomena such as short circuit, excessive pressure and overcurrent caused simultaneously, and then the effectual operating efficiency who promotes production.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 shows a schematic diagram of a framework structure of an industrial IO communication module;

FIG. 2 is a schematic diagram showing a circuit connection structure of an input protection circuit;

FIG. 3 is a schematic diagram showing a circuit connection structure of the first isolation circuit and the signal acquisition circuit;

FIG. 4 is a schematic diagram showing a circuit connection structure of the analog quantity circuit;

FIG. 5 shows a schematic diagram of a circuit connection structure of the MCU;

FIG. 6 is a schematic diagram showing a circuit connection structure of the driving circuit;

FIG. 7 is a schematic diagram showing a circuit connection structure of the second isolation circuit;

fig. 8 shows a schematic diagram of a circuit connection structure of the output protection circuit.

Description of the main element symbols:

10-a digital quantity input module; 11-input protection circuit; 12-a first isolation circuit; 13-a signal acquisition circuit; 20-a data processing module; 21-MCU;22-IO control interface; 23-EtherCAT interface; 30-a digital quantity output module; 31-a signal conversion circuit; 32-a second isolation circuit; 33-a drive circuit; 34-an output protection circuit; 40-analog quantity module; 41-analog quantity circuit; 410-analog shunting.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for 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 thus, 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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Please refer to fig. 1-8, the utility model provides an IO communication module (hereinafter referred to as communication module for short), this communication module includes digital input module 10, data processing module 20 and digital output module 30, wherein digital input module 10 includes input protection circuit 11, first isolation circuit 12 and signal acquisition circuit 13, data processing module 20 includes MCU21, IO control interface 22 and EtherCAT interface 23, digital output module 30 includes signal conversion circuit 31, second isolation circuit 32, drive circuit 33 and output protection circuit 34.

In the above scheme, the digital input module 10 is configured to receive a digital command, and includes a protection circuit to perform overvoltage control on an input voltage; the data processing module 20 is mainly used for inputting and outputting a practical 0-10V analog voltage of a standard industrial control interface, and is used for receiving an analog quantity control instruction and controlling execution equipment; the digital output module 30 is used for controlling the execution device, and includes a protection circuit therein for performing over-voltage control on the output voltage.

Specifically, the input protection circuit 11 is electrically connected to the first isolation circuit 12, the first isolation circuit 12 is electrically connected to the signal acquisition circuit 13, the signal acquisition circuit 13 is electrically connected to the MCU21, and the IO control interface 22 and the EtherCAT interface 23 are both electrically connected to the MCU 21.

Specifically, the output protection circuit 34 is electrically connected to the driving circuit 33, the driving circuit 33 is electrically connected to the second isolation circuit 32, the second isolation circuit 32 is electrically connected to the signal conversion circuit 31, and the signal conversion circuit 31 is electrically connected to the MCU 21.

Wherein, input protection circuit 11 and first buffer circuit 12 are used for managing and controlling the voltage data of input, handle the back at MCU21 to voltage data and export, and when exporting, second buffer circuit 32, drive circuit 33 and output protection circuit 34 manage and control the voltage data of output, and then can avoid communication module because the problem of phenomenon such as excessive pressure, overcurrent causes the trouble, very big improvement communication module's stability.

In the above scheme, the signal acquisition circuit 13 and the signal conversion circuit 31 are used for converting voltage data of the control device and the execution device, and certainly, the data conversion process is completed by a chip, which belongs to the prior art and is not described in detail.

When the communication module is used, the communication module is simultaneously connected with the control interfaces of the control equipment and the execution equipment through the IO control interface 22, and is simultaneously connected with the communication interfaces of the control equipment and the execution equipment through the EtherCAT interface, so that the circuit connection between the control equipment and the execution equipment is completed, and the field environment is clean, tidy and not messy; not only saved the cost of cable material resources, still reduced the trouble that phenomena such as short circuit, excessive pressure and overflowing caused simultaneously, and then the effectual operating efficiency who promotes production.

Referring to fig. 1 and 4, based on the above scheme, the communication module further includes an analog module 40, the analog module 40 includes an analog circuit 41, the analog circuit 41 includes a plurality of analog branches 410 and a header chip, the analog branches 410 are electrically connected to the header chip, and the analog circuit 41 is electrically connected to the MCU 21.

Preferably, the analog quantity circuit 41 is provided with 4 analog quantity inputs and 4 analog quantity outputs, the analog quantity circuit 41 is used for connecting devices such as a frequency converter, of course, the inputs and outputs in the analog quantity circuit 41 are used for connecting different devices, and meanwhile, the analog quantity circuit 41 also has a filtering function and an overvoltage protection current for managing and controlling input and output noise waves and protecting the input and output circuits.

It can be understood that the analog circuit 41 can further separate useful signals by utilizing the characteristic of high frequency and low frequency of the capacitor, and can effectively improve the communication stability of the communication module, which is certainly a mature prior art and therefore not described in detail.

In the above scheme, preferably, the data processing module 20 further includes an RJ45 input interface and an RJ45 output interface, where the RJ45 input interface and the RJ45 output interface are both electrically connected to the EtherCAT interface, the RJ45 input interface is used to connect a communication interface of the control device, and the RJ45 output interface is used to electrically connect a communication interface of the execution device.

It should be noted that the first isolation circuit 12 and the second isolation circuit 32 have the same circuit connection structure, and the input protection circuit 11 and the output protection circuit 34 have the same circuit connection structure, although the specific connection relationship refers to the drawings.

The first isolation circuit 12 and the second isolation circuit 32 both adopt an optical coupler isolation mode, and since the optical coupler has the characteristic of unidirectional transmission, unidirectional transmission of signals can be realized, so that signals between an input end and an output end have no influence on each other, and the anti-interference performance of the communication module can be improved.

In the above solution, it is preferable that the MCU21 employs a processing chip with a model RX72M-LQFP100, and both the signal acquisition circuit 13 and the signal conversion circuit 31 employ chips with a model 74HC595 PW.

It should be noted that, referring to the drawings, the connection relationship of the above-mentioned circuits of each part is described, and the technologies not described in this embodiment are all mature prior arts.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An industrial IO communication module, comprising:

the digital quantity output module comprises a signal conversion circuit, a second isolation circuit, a driving circuit and an output protection circuit, the signal conversion circuit is electrically connected with the MCU, the second isolation circuit is electrically connected with the signal conversion circuit, the driving circuit is electrically connected with the second isolation circuit, and the output protection circuit is electrically connected with the second isolation circuit.

2. The industrial IO communication module of claim 1, further comprising an analog module, wherein the analog module comprises an analog circuit, and the analog circuit is electrically connected to the MCU.

3. The industrial IO communication module of claim 2, wherein the analog circuit includes a header chip and a plurality of analog branches, each of the plurality of analog branches electrically connected to the header chip.

4. The industrial IO communication module of claim 1, wherein the data processing module further comprises an RJ45 input interface and an RJ45 output interface, and the RJ45 input interface and the RJ45 output interface are electrically connected to the EtherCAT interface.