CN213690278U - Circuit convenient for replacing different communication modules - Google Patents
Circuit convenient for replacing different communication modules Download PDFInfo
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- CN213690278U CN213690278U CN202022846527.XU CN202022846527U CN213690278U CN 213690278 U CN213690278 U CN 213690278U CN 202022846527 U CN202022846527 U CN 202022846527U CN 213690278 U CN213690278 U CN 213690278U
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Abstract
The utility model provides a conveniently change circuit of different communication modules, for solving only one kind communication protocol, this requires the same communication protocol of one or more terminals of its network deployment correspondingly, in the technical problem who is restricted in application, adopt conveniently change circuit of different communication modules include the communication mode identification unit who is connected with the terminal, the multiple switch unit who is connected with communication mode identification unit, wired communication module and the wireless communication module who is connected with the multiple switch unit; the technical scheme that the number of output branches of the multi-way switch unit is the same as the total number of the wired communication modules and the wireless communication modules, and the communication control unit is connected between the multi-way switch unit and the wired communication modules and between the multi-way switch unit and the wireless communication modules, well solves the problem, and can be used for switching different communication modules.
Description
Technical Field
The utility model relates to a communication protocol conversion field especially relates to a conveniently change different communication module's circuit.
Background
Currently, an industrial gateway is an industrial network device widely applied to industrial communication protocol conversion and data forwarding. The industrial gateway can conveniently and flexibly acquire data in various production devices to the information management system through the industrial internet. The industrial gateway and various terminals realize communication through the same communication protocol,
however, in the existing industrial gateway, the communication protocols are integrated and solidified on the PCB before leaving the factory, so there is often only one communication protocol, which requires configuring the same communication protocol for one or more terminals networked therewith, and is limited in application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conveniently change circuit of different communication module's circuit, aim at solving the current industrial gateway among the prior art, only a communication protocol, this requires also correspondingly will dispose the same communication protocol with one or more terminals of its network deployment, receives the technical problem of limitation in using.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a conveniently change different communication module's circuit, the circuit connection who conveniently changes different communication module has the terminal, conveniently change different communication module's circuit includes:
the system comprises a communication mode identification unit connected with a terminal, a multi-way switch unit connected with the communication mode identification unit, a wired communication module and a wireless communication module connected with the multi-way switch unit; the number of output branches of the multi-way switch unit is the same as the total number of the wired communication module and the wireless communication module, and a communication control unit is connected between the multi-way switch unit and the wired communication module as well as between the multi-way switch unit and the wireless communication module;
the communication control unit includes:
the PWM unit is connected with integrated circuits LM393 and AD 8601; the AD8601 is connected with the S pole of the switching tube Q3 and is connected to GND through a resistor R1; the G pole of the switching tube Q3 is the output end of the communication control unit, and the D pole is connected to the S pole of the switching tube Q1 through the battery valve L1; the S pole of the switching tube Q1 is also connected with the anode of a diode D1 and the anode of a diode D3, the G pole of the switching tube Q1 is connected with a high-voltage high-side control signal VHC of the PWM unit, and the D pole is connected with a high-voltage power supply VH; the cathode of the diode D1 is connected with GND, and the cathode of the diode D3 is connected with the S pole of the switching tube Q2; the G pole of the switching tube Q2 is connected with the low-voltage high-side control signal VLC of the PWM unit, and the D pole is connected with the low-voltage power supply VL.
In the foregoing solution, for optimization, the wired communication module further includes an RS232 wired protocol storage unit.
Further, the wired communication module comprises an RS485 wired protocol storage unit.
Further, the wired communication module comprises an RS422 wired protocol storage unit.
Further, the wireless communication module includes an ethernet protocol storage unit.
Further, the wireless communication module comprises a WIFI protocol storage unit.
Further, the wireless communication module comprises a GPRS protocol storage unit.
Further, the wireless communication module comprises a bluetooth protocol storage unit.
Further, the wireless communication module comprises an LoRa protocol storage unit.
The principle of the utility model lies in that, different storage has the agreement the same with terminal communication mode according to the communication mode difference at terminal.
The communication identifying unit can adopt the existing communication mode detecting device. And if the WIFI communication is carried out, a WIFI signal detection module can be adopted, and the GPRS communication is carried out by a GPSR signal detection module. Because the communication model detection module that the communication discernment courtyard adopted all is prior art, the utility model discloses and follow-up embodiment is no longer repeated. Besides hardware identification, the identification code can be used for identification. The communication identification unit adopts a single chip microcomputer, the terminal outputs different signals, and the single chip microcomputer can analyze different communication modes. What this kind of mode adopted is current sign identification procedure, and ordinary skilled person in the art can realize according to current simple identification procedure, the utility model discloses and follow-up embodiment no longer give unnecessary details.
The multi-way switch unit in the application is used for opening the corresponding branch according to the result of the communication identification unit. Many branch switch adopt current multi-way switch, the utility model discloses and follow-up embodiment no longer give unnecessary details.
The utility model discloses how well control the storage to open the back to the switch and carry out work with the module that corresponds communication protocol, adopt the communication control unit to realize. The communication control unit of the present embodiment can stably control the wired communication module and the wireless communication module.
The utility model discloses an effect: the utility model discloses a terminal need not self loading multiple communication protocol, and each terminal has realized the seamless adaptation that communication mode switched when adopting different communication mode. The method comprises the steps that a plurality of wired communication protocols and wireless communication protocols are integrated and solidified on a PCB of the gateway, and the communication mode recognition unit can control the wired communication module or the wireless communication module to configure the same communication protocol as one or more terminals, so that the effect that the gateway has a more flexible communication mode, can configure the same communication protocol as one or more terminals and is less limited in application is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description 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 diagram of a circuit for conveniently replacing circuits of different communication modules according to the present invention.
Fig. 2 is a schematic diagram of a circuit for conveniently replacing circuits of different communication modules according to the present invention.
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 and intended to be used for 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 "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a circuit for conveniently replacing different communication modules, the circuit for conveniently replacing different communication modules is connected with a terminal, the circuit for conveniently replacing different communication modules comprises:
the system comprises a communication mode identification unit connected with a terminal, a multi-way switch unit connected with the communication mode identification unit, a wired communication module and a wireless communication module connected with the multi-way switch unit; the number of output branches of the multi-way switch unit is the same as the total number of the wired communication module and the wireless communication module, and a communication control unit is connected between the multi-way switch unit and the wired communication module as well as between the multi-way switch unit and the wireless communication module;
as shown in fig. 2, the communication control unit includes: the PWM unit is connected with integrated circuits LM393 and AD 8601; the AD8601 is connected with the S pole of the switching tube Q3 and is connected to GND through a resistor R1; the G pole of the switching tube Q3 is the output end of the communication control unit, and the D pole is connected to the S pole of the switching tube Q1 through the battery valve L1; the S pole of the switching tube Q1 is also connected with the anode of a diode D1 and the anode of a diode D3, the G pole of the switching tube Q1 is connected with a high-voltage high-side control signal VHC of the PWM unit, and the D pole is connected with a high-voltage power supply VH; the cathode of the diode D1 is connected with GND, and the cathode of the diode D3 is connected with the S pole of the switching tube Q2; the G pole of the switching tube Q2 is connected with the low-voltage high-side control signal VLC of the PWM unit, and the D pole is connected with the low-voltage power supply VL.
In this embodiment, a dual power supply mode is adopted, and the switching tubes Q1 and Q2 jointly control the high voltage power supply VH to be 5V and the low voltage power supply VL to be 2.4V for controlling the time and current of the wired communication module and the wireless communication module. The switching tube Q3 control the break-make of drive signal, and schottky diode D2 is used for preventing the reverse impact to the low voltage power when high pressure 5V opens, and diode D1 is responsible for retrieving the control energy to the high-voltage end after the control process. The AD8601 chip amplifies a sampling current signal of the R1 sampling resistor, supplies the signal to the PWM unit for current feedback control, inputs the amplified current signal to the LM393 voltage comparator for comparison, and outputs a signal to the PWM unit to prevent the current from exceeding the peak value.
The control process can be divided into 4 stages: a current rise phase (T1), a current feedback phase (T2), a control full on phase (T3), and a control voltage maintenance phase (T4). The controller is powered by using 5V high voltage at the stage T1, so that the controller is quickly started; when the current of the controller rises to a point B, current feedback control is adopted to maintain the current to be near 1.2A; when the controller is operated to point C, the controller is fully open and the reluctance of the magnetic circuit is reduced. The controller should be powered by switching to a low-voltage power supply; at the point D, the current is maintained at about 0.6A; and when the control system runs to the point E, the whole control process is ended.
Specifically, the wired communication module comprises an RS232 wired protocol storage unit, and wired networking is performed with an RS232 serial port in the terminal to form data interconnection.
Specifically, the wired communication module comprises an RS485 wired protocol storage unit, and wired networking is performed with an RS485 serial port in the terminal to form data interconnection.
Specifically, the wired communication module comprises an RS422 wired protocol storage unit, and wired networking is performed with an RS422 serial port in the terminal to form data interconnection.
Specifically, the wireless communication module includes an ethernet protocol storage unit.
Specifically, the wireless communication module includes a WIFI protocol storage unit.
Specifically, the wireless communication module comprises a GPRS protocol storage unit.
Specifically, the wireless communication module comprises a bluetooth protocol storage unit.
Specifically, the wireless communication module includes an LoRa protocol storage unit.
The power supply module comprises a direct current voltage conversion circuit, a first rectification circuit, a direct current output circuit and a power supply circuit, the direct current voltage conversion circuit is connected with the power supply circuit through the first rectification circuit and the direct current output circuit, the power supply circuit is electrically connected with the communication mode identification unit, 220V alternating current is input into the input end of the direct current voltage conversion circuit through a filter circuit, a second rectification circuit and an EMC circuit, and the output end of the direct current voltage conversion circuit is transmitted to the power supply circuit through the first rectification circuit and the direct current output circuit and the power supply circuit is used for providing electric energy for modules and circuits which need electricity in the gateway.
The wireless communication module is a communication system that exchanges information by using a characteristic that an electromagnetic wave signal can propagate in a free space. The wired communication module is a communication mode for transmitting information by using tangible media such as metal wires, optical fibers and the like.
When a communication protocol of a gateway and a communication protocol of a terminal are configured, the communication mode identification unit can judge whether the communication protocol of the terminal is wired communication or wireless communication according to the communication protocol inside the terminal, and if the communication protocol is wired communication, the communication mode identification unit controls the communication protocol of the wired communication module and the communication protocol of one or more terminals to be configured in the same way to perform wired networking so as to form data interconnection due to the fact that the wired communication has multiple communication protocols.
If the wireless communication is adopted, the wired communication has a plurality of communication protocols, and the communication mode identification unit controls the communication protocol of the wireless communication module and the communication protocols of one or more terminals to be configured, so that wireless networking is performed, and data interconnection is formed. Therefore, a more flexible communication mode is provided between the gateway and the terminal, the same communication protocol with one or more terminals can be configured, and the application limitation is smaller.
In this embodiment, the RS232 protocol storage unit is electrically connected to the communication pattern recognition unit through a data bus, and when configuring the communication protocol of the gateway and the communication protocol of the terminal, if one or more of the terminals has an RS232 serial port, the communication pattern recognition unit selects the RS232 protocol storage unit having the same protocol as the RS232 serial port to configure with the RS232 serial port, thereby implementing wired networking and forming data interconnection. Therefore, a more flexible communication mode is provided between the gateway and the terminal, the same communication protocol with one or more terminals can be configured, and the application limitation is smaller.
The working processes of other communication modes are similar, and the description is omitted in this embodiment.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a conveniently change different communication module's circuit, the circuit connection who conveniently changes different communication module has terminal, its characterized in that: conveniently change different communication module's circuit includes:
the system comprises a communication mode identification unit connected with a terminal, a multi-way switch unit connected with the communication mode identification unit, a wired communication module and a wireless communication module connected with the multi-way switch unit; the number of output branches of the multi-way switch unit is the same as the total number of the wired communication module and the wireless communication module, and a communication control unit is connected between the multi-way switch unit and the wired communication module as well as between the multi-way switch unit and the wireless communication module;
the communication control unit includes:
the PWM unit is connected with integrated circuits LM393 and AD 8601; the AD8601 is connected with the S pole of the switching tube Q3 and is connected to GND through a resistor R1; the G pole of the switching tube Q3 is the output end of the communication control unit, and the D pole is connected to the S pole of the switching tube Q1 through the battery valve L1; the S pole of the switching tube Q1 is also connected with the anode of a diode D1 and the anode of a diode D3, the G pole of the switching tube Q1 is connected with a high-voltage high-side control signal VHC of the PWM unit, and the D pole is connected with a high-voltage power supply VH; the cathode of the diode D1 is connected with GND, and the cathode of the diode D3 is connected with the S pole of the switching tube Q2; the G pole of the switching tube Q2 is connected with the low-voltage high-side control signal VLC of the PWM unit, and the D pole is connected with the low-voltage power supply VL.
2. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wired communication module comprises an RS232 wired protocol storage unit.
3. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wired communication module comprises an RS485 wired protocol storage unit.
4. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wired communication module comprises an RS422 wired protocol storage unit.
5. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wireless communication module includes an ethernet protocol storage unit.
6. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wireless communication module comprises a WIFI protocol storage unit.
7. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wireless communication module comprises a GPRS protocol storage unit.
8. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wireless communication module comprises a Bluetooth protocol storage unit.
9. The circuit of claim 1, wherein the circuit is adapted to facilitate replacement of different communication modules: the wireless communication module comprises an LoRa protocol storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022846527.XU CN213690278U (en) | 2020-12-01 | 2020-12-01 | Circuit convenient for replacing different communication modules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022846527.XU CN213690278U (en) | 2020-12-01 | 2020-12-01 | Circuit convenient for replacing different communication modules |
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| CN213690278U true CN213690278U (en) | 2021-07-13 |
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| CN202022846527.XU Active CN213690278U (en) | 2020-12-01 | 2020-12-01 | Circuit convenient for replacing different communication modules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115484293A (en) * | 2022-10-25 | 2022-12-16 | 中国地震局地球物理研究所 | Data acquisition control circuit and equipment supporting multiple communication ports |
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2020
- 2020-12-01 CN CN202022846527.XU patent/CN213690278U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115484293A (en) * | 2022-10-25 | 2022-12-16 | 中国地震局地球物理研究所 | Data acquisition control circuit and equipment supporting multiple communication ports |
| CN115484293B (en) * | 2022-10-25 | 2023-04-04 | 中国地震局地球物理研究所 | Data acquisition control circuit and equipment supporting multiple communication ports |
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