CN207427195U - A kind of communication module circuit - Google Patents

Abstract

The utility model provides a kind of communication module circuit, including RS232 communicating circuits, RS485 communicating circuits, RJ45 network interface circuits, power-switching circuit and SD/TF card interface circuits, contain integrated chip U2 and display screen row's pin P3 in the RS232 communicating circuits, contain integrated chip tU1 and integrated chip tU2 in the RS485 communicating circuits, contain integrated chip U1 in the RJ45 network interface circuits, crystal resonator Y1 and network isolation transformer N1, contain electric current conversion chip U3 and isolated from power chip B1 in the power-switching circuit, contain main control chip U9 and card row's interface TF1 in the SD/TF card interface circuits.This communication module circuit, by SD/TF card interface circuits and various communication state indicating circuits, such as RS232 communicating circuits, RS485 communicating circuits, RJ45 network interface circuits and power-switching circuit so that module overall volume is small, rich interface.

Description

A kind of communication module circuit

Technical field

The utility model is related to communication technique fields, and in particular to a kind of communication module circuit.

Background technology

High vacuum Multicarity multichannel oven used needs tens up to a hundred hairs of control simultaneously in lithium battery production link Temperature data is also sent to LCD liquid crystal display screen and shown by hot plate, while is had the switch of each cavity door, vacuumized, fill Nitrogen etc. controls and the control instruction reception from host computer and data do not upload.Needed for thus control point is more, communication data Amount is big and there are many agreements.And traditional PLC realizes that these functions are quite cumbersome, it is necessary to which many I/O expansion modules, communication connect Mouth is general also not enough, causes wiring complexity, great difficulty, and production efficiency is low.

Utility model content

The purpose of this utility model is to provide a kind of communication module circuits, module overall volume is small, rich interface, realization Vacuum oven remotely-or locally automatic running, solves the problems of the prior art.

To achieve the above object, the utility model provides following technical solution：A kind of communication module circuit, including RS232 Communicating circuit, RS485 communicating circuits, RJ45 network interface circuits, power-switching circuit and SD/TF card interface circuits, it is described Pass through in RS232 communicating circuits containing the power input pin V+ on integrated chip U2 and display screen row pin P3, integrated chip U2 Circuit is electrically connected with power supply VCC, and display screen row pin P3 is connect respectively by circuit and the TXD2 interfaces on integrated chip U2 with RXD2 Mouthful electrical connection, containing integrated chip tU1 and integrated chip tU2 in the RS485 communicating circuits, the pin on integrated chip tU1 Six are electrically connected by circuit with power supply VCC, and the pin seven on integrated chip tU1 is electrically connected to form back by circuit and pin six Road, pin one, pin two and pin four on integrated chip tU1 are adopted respectively by circuit and temperature control chip MCU and pressure Collect RXD1 interfaces, DE interfaces and the electrical connection of TXD1 interfaces on chip MCU, the pin six on integrated chip tU2 by circuit with Power supply VCC is electrically connected, and the pin seven on integrated chip tU2 is electrically connected to form circuit by circuit and pin six, integrated chip tU2 On pin one, pin two and pin four respectively by RXD2 interfaces on circuit and action control chip MCU, DE2 interfaces and TXD2 interfaces are electrically connected, and integrated chip U1, crystal resonator Y1 and network isolation transformer are contained in the RJ45 network interface circuits Clock pins CLKIN on N1, integrated chip U1 is electrically connected by circuit with the output pin OUT of crystal resonator Y1, crystal resonator Y1 Power input pin VCC be electrically connected by circuit with DC power supply DC3.3V, network isolation transformer N1 passes through circuit respectively Be electrically connected with the wRXN interfaces on integrated chip U1 and wRXP interfaces, in the power-switching circuit containing electric current conversion chip U3 and Power supply VCC pin on isolated from power chip B1, electric current conversion chip U3 passes through circuit with the VIN+ on isolated from power chip B1 It is connected, the power input on main control chip U9 and card row interface TF1, main control chip U9 is contained in the SD/TF card interface circuits Interface VDD is electrically connected by circuit with operating voltage 3.3V, and card row interface TF1 is electrically connected by serial port circuit and main control chip U9 It connects.

Preferably, the model ST202BD of the integrated chip U2.

Preferably, the model of the integrated chip tU1 and integrated chip tU2 is SN65HVD3082.

Preferably, the model SG-310SCF of the model W5500 of the integrated chip U1, crystal resonator Y1, Network Isolation The model HR11105A of transformer N1.

Preferably, the model XL1509-5.0E1 of the stream conversion chip U3, the model of isolated from power chip B1 B2405LS-1W。

Preferably, the model STM32F072RBT6 of the main control chip U9.

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

This communication module circuit, by SD/TF card interface circuits and various communication state indicating circuits, as RS232 leads to Interrogate circuit, RS485 communicating circuits, RJ45 network interface circuits and power-switching circuit so that module overall volume is small, interface is rich It is rich；And all kinds of high speed MCUs convert each communications protocol, and by the control program set, it is remote to realize vacuum oven Journey or local automatic running.

Description of the drawings

Fig. 1 is the RS232 communicating circuit schematic diagrams of the utility model；

Fig. 2 is the RS485 communicating circuit schematic diagrams of the utility model；

Fig. 3 is the RJ45 network interface circuit schematic diagrams of the utility model；

Fig. 4 is the power-switching circuit schematic diagram of the utility model；

Fig. 5 is the SD/TF card interface circuit schematic diagrams of the utility model.

In figure：1 RS232 communicating circuits, 2 RS485 communicating circuits, 3 RJ45 network interface circuits, 4 power supplys conversion electricity Road, 5 SD/TF card interface circuits.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 5 are please referred to Fig.1, a kind of communication module circuit, including RS232 communicating circuits 1, RS485 communicating circuits 2, RJ45 nets Network interface circuit 3, power-switching circuit 4 and SD/TF card interface circuits 5, in RS232 communicating circuits 1 containing integrated chip U2 and Display screen arranges pin P3, and due to the model ST202BD of integrated chip U2, and the chip price of the model is cheap, practical, therefore To widely using, the power input pin V+ on integrated chip U2 is electrically connected by circuit with power supply VCC, P3 points of display screen row's pin It is not electrically connected by circuit with the TXD2 interfaces on integrated chip U2 with RXD2 interfaces, integrated core is contained in RS485 communicating circuits 2 Piece tU1 and integrated chip tU2, since the model of integrated chip tU1 and integrated chip tU2 are SN65HVD3082, and the model Chip there is low-power consumption, receive stable performance, the pin six on integrated chip tU1 is electrically connected by circuit with power supply VCC, Pin seven on integrated chip tU1 is electrically connected to form circuit by circuit and pin six, and pin one on integrated chip tU1 draws Foot two and pin four are connect respectively by circuit and RXD1 interfaces, the DE on temperature control chip MCU and pressure acquisition chip MCU Mouth and TXD1 interfaces are electrically connected, and the pin six on integrated chip tU2 is electrically connected by circuit with power supply VCC, on integrated chip tU2 Pin seven be electrically connected to form circuit by circuit and pin six, pin one, pin two and the pin four on integrated chip tU2 divide It is not electrically connected by circuit with RXD2 interfaces, DE2 interfaces and the TXD2 interface on action control chip MCU, RJ45 network interfaces Containing integrated chip U1, crystal resonator Y1 and network isolation transformer N1 in circuit 3, and the model W5500 of integrated chip U1, it is brilliant Shake model SG-310SCF, the model HR11105A of network isolation transformer N1 of device Y1, can by the chip of above-mentioned model Persistently good network connection state is provided for circuit, and the clock pins CLKIN on integrated chip U1 passes through circuit and crystal resonator The output pin OUT electrical connections of Y1, the power input pin VCC of crystal resonator Y1 are electrically connected by circuit and DC power supply DC3.3V It connects, network isolation transformer N1 is electrically connected respectively by circuit and the wRXN interfaces on integrated chip U1 and wRXP interfaces, and power supply turns It changes containing electric current conversion chip U3 and isolated from power chip B1 in circuit 4, and flows the model XL1509- of conversion chip U3 5.0E1, the model B2405LS-1W of isolated from power chip B1, the chip by above-mentioned model can be circuit with stable, peace Full Current Voltage, the power supply VCC pin on electric current conversion chip U3 pass through circuit phase with the VIN+ on isolated from power chip B1 Even, main control chip U9 and card row interface TF1, and the model of main control chip U9 are contained in SD/TF card interface circuits 5 STM32F072RBT6, by the data transmitted in the reading card of the chip energy fast and stable of the model, the electricity on main control chip U9 Source input interface VDD is electrically connected by circuit with operating voltage 3.3V, and card row interface TF1 passes through serial port circuit and main control chip U9 Electrical connection.

This communication module circuit is used for leading to temperature control modules and pressure acquisition module by integrated chip tU1 circuits It interrogates, most 256 control modules can be mounted in bus, using MODBUS agreements, according to the data of touch-screen or host computer to control Molding block sends operating instruction, the temperature data and working condition of each module of simultaneous wheels continuous query.

By integrated chip tU2 circuits be used for and action control module communicated, come realize the switch of cavity door control, Vacuumize, inflated with nitrogen, status signal output etc. controls the various actions on vacuum oven, cooperation host computer is realized and assembly line On manipulator linkage.To ensure real-time, the reliability of various actions, individually controlled using RS485 all the way.

It is used for by RS232 communicating circuits 1 and touch-screen is communicated, receives the operation control instruction from touch-screen, Various instructions by MCU internal processes are converted, then corresponding control module, realization pair are sent to by RS485 buses The control of vacuum oven.The circuit also need by the temperature data from each control module, working condition, cavity door switch shape The data sendings such as state, each chamber vacuum pressure value are shown to LCD display.

By the MCU IP address that can set of realization and MAC physical address realize multiple modules simultaneously and a host computer into Row communication.Receive the control instruction from assembly line host computer, and by the operating status of temperature data and vacuum oven, alarm feelings Condition etc. uploads to host computer, and the product that every vacuum oven of guarantee is produced has the initial data in production process so that every The condition of production of one piece of battery can all trace to the source.Defective products can be chosen in time, guarantee is provided for product quality.

By SD/TF card interface circuits 5, SD/TF cards can be inserted directly into, for store no less than 2 it is small when temperature and roasting The various operating state datas of case when network line breaks down, also can guarantee that creation data is not lost, has good grounds.

This communication module circuit, by SD/TF card interface circuits 5 and various communication state indicating circuits, as RS232 leads to Interrogate circuit 1, RS485 communicating circuits 2, RJ45 network interface circuits 3 and power-switching circuit 4 so that module overall volume is small, connects Mouth is abundant；And all kinds of high speed MCUs convert each communications protocol, by the control program set, realize vacuum and bake Case remotely-or locally automatic running.

In summary：This communication module circuit using double-deck model structural design, has that module overall volume is small, interface The advantages of abundant；And the control program that each communications protocol is converted and set by high speed MCU realizes true Empty oven remotely-or locally automatic running, in the presence of effectively solving the problems, such as traditional lithium battery production link.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of communication module circuit, including RS232 communicating circuits（1）, RS485 communicating circuits（2）, RJ45 network interface circuits （3）, power-switching circuit（4）With SD/TF card interface circuits（5）, it is characterised in that：The RS232 communicating circuits（1）Inside contain Power input pin V+ on integrated chip U2 and display screen row pin P3, integrated chip U2 is electrically connected by circuit with power supply VCC, Display screen row pin P3 is electrically connected respectively by circuit with the TXD2 interfaces on integrated chip U2 with RXD2 interfaces, and the RS485 leads to Interrogate circuit（2）It is interior containing integrated chip tU1 and integrated chip tU2, the pin six on integrated chip tU1 passes through circuit and power supply VCC is electrically connected, and the pin seven on integrated chip tU1 is electrically connected to form circuit by circuit and pin six, on integrated chip tU1 Pin one, pin two and pin four are connect respectively by circuit and the RXD1 on temperature control chip MCU and pressure acquisition chip MCU Mouth, DE interfaces and TXD1 interfaces are electrically connected, and the pin six on integrated chip tU2 is electrically connected by circuit with power supply VCC, integrate core Pin seven on piece tU2 is electrically connected to form circuit by circuit and pin six, pin one, two and of pin on integrated chip tU2 Pin four is electrically connected respectively by circuit with RXD2 interfaces, DE2 interfaces and the TXD2 interface on action control chip MCU, described RJ45 network interface circuits（3）It is interior containing integrated chip U1, crystal resonator Y1 and network isolation transformer N1, on integrated chip U1 Clock pins CLKIN is electrically connected by circuit with the output pin OUT of crystal resonator Y1, the power input pin VCC of crystal resonator Y1 It is electrically connected by circuit with DC power supply DC3.3V, network isolation transformer N1 is respectively by circuit and integrated chip U1 WRXN interfaces and wRXP interfaces are electrically connected, the power-switching circuit（4）It is interior to contain electric current conversion chip U3 and isolated from power chip Power supply VCC pin on B1, electric current conversion chip U3 is connected with the VIN+ on isolated from power chip B1 by circuit, the SD/ TF card interface circuit（5）The interior power input interface VDD containing on main control chip U9 and card row interface TF1, main control chip U9 leads to Oversampling circuit is electrically connected with operating voltage 3.3V, and card row interface TF1 is electrically connected by serial port circuit with main control chip U9.

2. a kind of communication module circuit according to claim 1, it is characterised in that：The model of the integrated chip U2 ST202BD。

3. a kind of communication module circuit according to claim 1, it is characterised in that：The integrated chip tU1 and integrated core The model of piece tU2 is SN65HVD3082.

4. a kind of communication module circuit according to claim 1, it is characterised in that：The model of the integrated chip U1 The model HR11105A of the model SG-310SCF of W5500, crystal resonator Y1, network isolation transformer N1.

5. a kind of communication module circuit according to claim 1, it is characterised in that：The model of the stream conversion chip U3 XL1509-5.0E1, the model B2405LS-1W of isolated from power chip B1.

6. a kind of communication module circuit according to claim 1, it is characterised in that：The model of the main control chip U9 STM32F072RBT6。