Multifunctional information acquisition and control circuit board
By integrating high-speed optocouplers, power relays, and multiple communication modules, the multifunctional information acquisition and control circuit board solves the problems of complex wiring and single communication methods of traditional circuit boards, achieving high stability and fast response.
Patent Information
- Application Number
- CN202520194052.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Traditional industrial information acquisition and control circuit boards use a separate design, which leads to complex wiring procedures and a single communication method, making it difficult to meet the requirements of high stability and fast response.
Design a multifunctional information acquisition and control circuit board that integrates a high-speed optocoupler, a power relay, a network communication module, a 485 communication module, and a debugging module. It supports TCP and UDP protocols, uses a high-speed optocoupler for signal isolation, a power relay for control, and 485 signal isolation for transmission, and adds a Type-C interface to improve stability and response speed.
It achieves faster signal transmission, improved control stability and response speed, adapts to information transmission requirements in different environments, simplifies the wiring process and supports multiple communication methods.
Smart Images
Figure CN223679548U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of circuit board, concretely relates to multifunctional information acquisition and control circuit board. BACKGROUND
[0002] In industrial automation and control, NPN switch signal acquisition is often used, and in practical application, the switch signal is analyzed according to the acquisition, the load is controlled according to different requirements, the information acquisition board becomes an indispensable part of industrial automation and control, and the control board is also an important part.
[0003] Traditional industrial information acquisition board and control board adopt separate design and are connected through a wire, which leads to an increase in the wiring process, and the communication port with the outside world is often one kind, such as 485 communication, if other interface communication modes are needed, it needs to be connected again, and the operation process is inconvenient. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem to provide a kind of multifunctional information acquisition and control circuit board satisfying higher stability and reaction speed.
[0005] The utility model solves the technical problem and adopts the technical scheme that multifunctional information acquisition and control circuit board include PCB mainboard, install on the main control chip of PCB mainboard, signal acquisition module, debugging module, network communication module, 485 communication module, output control module, still include the power supply interface of power supply for the whole system connection power supply;Signal acquisition module includes the high-speed photoelectric coupler of main control chip input pin electrical connection, signal acquisition terminal with high-speed photoelectric coupler input pin electrical connection;Output control module includes the relay interface of installing in the edge of PCB mainboard, power relay with relay interface electrical connection, power relay output pin and main control chip input pin electrical connection;Network communication module includes the network interface of installing in the edge of PCB mainboard, network chip with network interface electrical connection, network chip and main control chip electrical connection;Debugging module, 485 module are electrically connected with main control chip.
[0006] Further, the debugging module includes a type-c interface installed on the edge of the PCB mainboard, and a serial port conversion chip electrically connected with the type-c interface;The serial port conversion chip is electrically connected with the main control chip.
[0007] Further, the 485 module includes a 485 signal interface installed on the edge of the PCB mainboard, a 485 chip electrically connected with the 485 signal interface, and a signal isolation module electrically connected with the 485 chip, and the signal isolation module is electrically connected with the main control chip.
[0008] Further, the isolated power module is further included, and the isolated power module separately supplies power for the 485 chip.
[0009] Further, the output control module further includes a Darlington chip, an input pin of the Darlington chip is electrically connected with an output pin of the power relay, and an output pin of the Darlington chip is electrically connected with an input pin of the master control chip.
[0010] Further, the network communication module supports the TCP protocol and also supports the UDP protocol.
[0011] The multifunctional information acquisition and control circuit board has the advantages that: the signal acquisition circuit is independently designed, the high-speed optocoupler insulates the collected signals, and the signals can be quickly transmitted to the master control chip for processing; the power relay is controlled through the Darlington chip, thereby meeting higher stability and reaction speed; the isolated 485 communication signal transmission and the network communication transmission meet the requirements of information transmission in different environments and realize the multifunctional requirements; the type-c interface is added, and debugging is facilitated in actual application. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 The utility model discloses a structure schematic drawing;
[0013] Marked in the drawing as: 1, PCB mainboard;2, master control chip;3, network interface;4, network chip;5, type-c interface;6, serial port conversion chip;7, 485 signal interface;8, 485 chip;9, signal isolation module;10, high-speed optocoupler;11, signal acquisition terminal;12, relay interface;13, power relay;14, Darlington chip;15, isolated power module;16, power supply interface;17, DC-DC power supply chip. DETAILED DESCRIPTION
[0014] The utility model is further explained in connection with the drawings and specific embodiments.
[0015] For example Figure 1The multifunctional information acquisition and control circuit board shown comprises a PCB mainboard 1, a main control chip 2 installed on the PCB mainboard 1, a signal acquisition module, a debugging module, a network communication module, a 485 communication module, an output control module, and a power supply interface 16 for connecting a power supply for the entire system. The signal acquisition module comprises a high-speed optocoupler 10 electrically connected to the input pin of the main control chip 2 and a signal acquisition terminal 11 electrically connected to the input pin of the high-speed optocoupler 10. In an industrial environment, different voltages such as 5V, 12V, and 24V are usually used. The main control chip 2 in this embodiment cannot directly withstand some higher voltages. Therefore, the high-speed optocoupler 10 is used for acquisition, which can avoid damage to the main control chip 2 caused by excessively high voltage and can also avoid signal delay. The high-speed optocoupler 10 can ensure that the signal changes are basically synchronous. In this embodiment, the high-speed optocoupler 10 is 8-way, which can realize multi-way synchronous signal acquisition. The output control module comprises a relay interface 12 installed on the edge of the PCB mainboard 1 and a power relay 13 electrically connected to the relay interface 12. The output pin of the power relay 13 is electrically connected to the input pin of the main control chip 2. The power relay 13 meets the requirements of most voltages and currents in industrial control. The relay interface 12 collects the outputs of all the power relays 13, which is convenient for users to connect and test. In addition, the output control module further comprises a Darlington chip 14. The input pin of the Darlington chip 14 is electrically connected to the output pin of the power relay 13, and the output pin of the Darlington chip 14 is electrically connected to the input pin of the main control chip 2. The Darlington chip 14 is used for driving because it can avoid damage to the pins of the main control chip 2 caused by the electric spark generated when the power relay 13 is closed. At the same time, the Darlington chip 14 can also increase the driving capacity. The network communication module comprises a network interface 3 installed on the edge of the PCB mainboard 1 and a network chip 4 electrically connected to the network interface 3. The network chip 4 is electrically connected to the main control chip 2. This embodiment sets the function of network communication, supports TCP protocol and UDP protocol, and greatly facilitates data information processing in a network environment. The network chip 4 is connected to the 14-17 pins of the main control chip 2 through an SPI interface. The debugging module and the 485 module are both electrically connected to the main control chip 2. The power supply interface 16 can input a wide voltage of 4.5V-40V. After the input voltage passes through a DC-DC power chip 17, the required 5V power supply is provided for the system.
[0016] On the basis, the debugging module includes a type-c interface 5 installed on the edge of the PCB mainboard 1, a serial port conversion chip 6 electrically connected with the type-c interface 5; the serial port conversion chip 6 is electrically connected with the main control chip 2. The debugging module is an interface independently developed and debugged in actual application, which can be connected to the independently designed software for debugging, and the flexibility of the product is increased. In the design, the No. 6 and No. 7 pins of the serial port conversion chip 6 are connected with the No. 30 and No. 31 pins of the main control chip, and the No. 1 and No. 2 pins of the serial port conversion chip 6 are connected to the type-c interface 5.
[0017] On the basis, the 485 module includes a 485 signal interface 7 installed on the edge of the PCB mainboard 1, a 485 chip 8 electrically connected with the 485 signal interface 7, a signal isolation module 9 electrically connected with the 485 chip 8, and the signal isolation module 9 is electrically connected with the main control chip 2. The signal isolation module 9 can reduce the noise interference in the industrial environment when the 485 signal is transmitted, can ensure the integrity and accuracy of the information in the communication process, and the 485 signal can also be connected to the matching software for real-time display test, and the user can adjust according to the actual requirement. Further comprising an isolation power module 15, the isolation power module 15 separately supplies power for the 485 chip 8, and ensures the stability of the system operation.
[0018] The above specific embodiments further illustrate the purpose, technical scheme and advantages of the utility model, and it should be understood that the above is only a specific embodiment of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A multi-functional information acquisition and control circuit board, characterized by: The system comprises a PCB mainboard, a main control chip installed on the PCB mainboard, a signal acquisition module, a debugging module, a network communication module, a 485 communication module, an output control module, and a power supply interface for connecting a power supply for the whole system; the signal acquisition module comprises a high-speed optocoupler electrically connected to an input pin of the main control chip and a signal acquisition terminal electrically connected to an input pin of the high-speed optocoupler; the output control module comprises a relay interface installed on the edge of the PCB mainboard and a power relay electrically connected to the relay interface, wherein an output pin of the power relay is electrically connected to an input pin of the main control chip; the network communication module comprises a network interface installed on the edge of the PCB mainboard and a network chip electrically connected to the network interface, wherein the network chip is electrically connected to the main control chip; the debugging module and the 485 module are electrically connected to the main control chip.
2. The multi-functional information acquisition and control circuit board of claim 1, wherein: The debugging module comprises a type-c interface installed on the edge of the PCB mainboard and a serial port conversion chip electrically connected to the type-c interface; the serial port conversion chip is electrically connected to the main control chip.
3. The multi-functional information acquisition and control circuit board of claim 1, wherein: The 485 module comprises a 485 signal interface installed on the edge of the PCB mainboard, a 485 chip electrically connected to the 485 signal interface, and a signal isolation module electrically connected to the 485 chip, wherein the signal isolation module is electrically connected to the main control chip.
4. The multi-functional information acquisition and control circuit board of claim 3, wherein: The system further comprises an isolation power supply module, which separately supplies power for the 485 chip.
5. The multi-functional information acquisition and control circuit board of claim 1, wherein: The output control module further comprises a Darlington chip, wherein an input pin of the Darlington chip is electrically connected to an output pin of the power relay, and an output pin of the Darlington chip is electrically connected to an input pin of the main control chip.
6. The multi-functional information acquisition and control circuit board of claim 1, wherein: The network communication module supports TCP protocol and also supports UDP protocol.