CN214474497U

CN214474497U - Multi-channel control equipment supporting multiple communications

Info

Publication number: CN214474497U
Application number: CN202022472197.2U
Authority: CN
Inventors: 袁德颖; 宋宏利; 张俊生
Original assignee: Shanghai Feilong New Energy Auto Parts Co ltd
Current assignee: Shanghai Feilong New Energy Auto Parts Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-10-22
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a support multichannel controlgear of multiple communication relates to multichannel controlgear, including singlechip minimum system, communication interface module circuit, motor drive circuit, RS232 interface circuit, USB interface circuit and power and reversal protection circuit, RS232 interface circuit USB interface circuit with power and reversal protection circuit respectively with singlechip minimum system electric connection, singlechip minimum system respectively with a plurality of motor drive circuit and a plurality of communication interface module circuit electric connection, motor drive circuit with communication interface module circuit respectively with electronic actuator electric connection. The utility model is used for gather electronic actuator's angle information and control electronic actuator work, mainly used electronic actuator is endurance test, and can support multiple communication, makes the controller can conveniently use in the application scenario that has different control channel quantity.

Description

Multi-channel control equipment supporting multiple communications

Technical Field

The utility model relates to a multichannel controlgear, concretely relates to support multichannel controlgear of multiple communication.

Background

The electronic actuator is used for carrying out the endurance test, the test period is long, and the consumed time is long. When the endurance test is carried out, the electronic actuator has different communication interfaces and needs different control equipment. And the single communication equipment is difficult to help experimenters improve the working efficiency. Currently, the demand for multi-channel controllers supporting multiple communications is increasing, requiring the controllers to be easily applied to applications having different numbers of control channels.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above drawbacks, an object of the present invention is to provide a multi-channel control system supporting multiple communications, which is mainly used for an electronic actuator to perform a durability test, and can support multiple communications, and has a good versatility.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-channel control device supporting multiple communications comprises a single-chip microcomputer minimum system, a communication interface module circuit used for detecting angle information of an electronic actuator, a motor driving circuit used for controlling the electronic actuator to work, an RS232 interface circuit, a USB interface circuit, a power supply and a reverse connection protection circuit, wherein the RS232 interface circuit, the USB interface circuit and the power supply and reverse connection protection circuit are electrically connected with the single-chip microcomputer minimum system respectively, the single-chip microcomputer minimum system is electrically connected with the motor driving circuits and the communication interface module circuits respectively, the motor driving circuit and the communication interface module circuit are electrically connected with the electronic actuator respectively, and the communication interface module circuit comprises a plurality of communication interface circuits including SENT, Analog, PWM interface circuit, CAN interface circuit and LIN interface circuit.

Further, the SENT, the Analog, the PWM interface circuit and the PWM interface circuit are respectively connected with the single chip microcomputer minimum system through an IO interface.

Further, the CAN interface circuit comprises a CAN transceiver, the CAN transceiver is connected to corresponding pins of the singlechip minimum system through RXD and TXD, and the CAN interface circuit is connected with an external CAN bus for communication.

Further, the LIN interface circuit comprises an LIN transceiver, the LIN transceiver is connected to corresponding pins of the minimum system of the single chip microcomputer through RXD and TXD, and the LIN interface circuit is connected with an external LIN bus for communication.

Further, the motor driving circuit is an H-bridge direct current motor driver, and the motor driving circuit includes an input end and an output end, wherein the input end is electrically connected to the PWM port, and the output end is electrically connected to the electronic actuator.

Furthermore, the number of the motor driving circuits is consistent with that of the communication interface module circuits, and the motor driving circuits correspond to the communication interface module circuits one to one.

Further, the minimum system of the single chip microcomputer is an STM32 minimum system of the single chip microcomputer.

The utility model discloses an actively beneficial effect:

1. the utility model discloses make the minimum system of singlechip respectively with a plurality of motor drive circuit and a plurality of communication interface module circuit electric connection, can support multiple communication for gather electronic actuator's angle information and control electronic actuator work, make the controller can conveniently use in the application scenario that has different control channel quantity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a CAN interface circuit in a communication interface module circuit;

fig. 3 is a LIN interface circuit in a communication interface module circuit;

in the figure: 1-singlechip minimum system, 2-communication interface module circuit, 3-motor drive circuit, 4-RS 232 interface circuit, 5-USB interface circuit, 6-LIN transceiver, 7-power supply and reverse connection protection circuit, 8-CAN transceiver.

Detailed Description

The invention will be further described with reference to some specific embodiments.

It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.

Referring to fig. 1, 2 and 3, the present embodiment provides a multi-channel control system supporting multiple communications, which includes a minimum system 1 of a single chip, a communication interface module circuit 2 for detecting angle information of an electronic actuator, a motor driving circuit 3 for controlling the electronic actuator to operate, an RS232 interface circuit 4, a USB interface circuit 5, and a power supply and reverse connection protection circuit 7, the RS232 interface circuit 4, the USB interface circuit 5 and the power supply and reverse connection protection circuit 7 are respectively electrically connected with the singlechip minimum system 1, the single chip microcomputer minimum system 1 is respectively and electrically connected with the plurality of motor driving circuits 3 and the plurality of communication interface module circuits 2, the motor driving circuit 3 and the communication interface module circuit 2 are respectively electrically connected with an electronic actuator, and the single chip microcomputer minimum system 1 is an STM32 single chip microcomputer minimum system;

the motor driving circuit 3 is an H-bridge direct current motor driver, the motor driving circuit 3 includes an input end and an output end, the input end is electrically connected with the PWM port, and the output end is electrically connected with the electronic actuator;

the number of the motor driving circuits 3 is consistent with that of the communication interface module circuits 2, and the motor driving circuits 3 correspond to the communication interface module circuits 2 one to one.

Specifically, the communication interface module circuit 2 includes various communication interface circuits such as a SENT, an Analog, a PWM interface circuit, a CAN interface circuit, and a LIN interface circuit;

the SENT, the Analog, the PWM interface circuit and the PWM interface circuit are respectively connected with the single chip microcomputer minimum system 1 through IO interfaces, the SENT, the Analog and the PWM comprise SENT, Analog and a triode which is fixedly arranged on the PWM interface circuit and is a switch, and the switching function is realized;

the CAN interface circuit comprises a CAN transceiver 8, the CAN transceiver 8 is a TJA1050 chip, the CAN transceiver 8 is connected to corresponding pins of the singlechip minimum system 1 through RXD and TXD, and the CAN interface circuit is connected with an external CAN bus for communication;

the LIN interface circuit comprises an LIN transceiver 6, the LIN transceiver 6 is a TJA1020 chip, the LIN transceiver 6 is connected to corresponding pins of the singlechip minimum system 1 through RXD and TXD, and the LIN interface circuit is connected with an external LIN bus for communication.

In this embodiment, 3 electronic actuators are controlled, and the number of channels can be adjusted according to actual application.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A multi-channel control device supporting multiple communications is characterized by comprising a single-chip microcomputer minimum system (1), a communication interface module circuit (2) for detecting angle information of an electronic actuator, a motor driving circuit (3) for controlling the electronic actuator to work, an RS232 interface circuit (4), a USB interface circuit (5) and a power supply and reverse connection protection circuit (7), wherein the RS232 interface circuit (4), the USB interface circuit (5) and the power supply and reverse connection protection circuit (7) are respectively and electrically connected with the single-chip microcomputer minimum system (1), the single-chip microcomputer minimum system (1) is respectively and electrically connected with a plurality of motor driving circuits (3) and a plurality of communication interface module circuits (2), the motor driving circuits (3) and the communication interface module circuits (2) are respectively and electrically connected with the electronic actuator, the communication interface module circuit (2) comprises a plurality of communication interface circuits including SENT, Analog, PWM interface circuit, CAN interface circuit and LIN interface circuit.

2. The multi-channel control device supporting multiple communications according to claim 1, wherein the SENT, the Analog, the PWM interface circuit and the PWM interface circuit are respectively connected with the single-chip microcomputer minimal system (1) through an IO interface.

3. A multi-channel control device supporting multiple communications according to claim 1, characterized in that the CAN interface circuit comprises a CAN transceiver (8), the CAN transceiver (8) is connected to corresponding pins of the minimal system of single chip (1) through RXD and TXD, and the CAN interface circuit is connected to an external CAN bus for communication.

4. A multi-channel control device supporting multiple communications according to claim 1, characterized in that the LIN interface circuit comprises a LIN transceiver (6), the LIN transceiver (6) being connected to corresponding pins of the one-chip minimum system (1) through RXD, TXD, the LIN interface circuit being in communication with an external LIN bus.

5. A multi-channel control device supporting multiple communications according to claim 1, wherein the motor driving circuit (3) is an H-bridge dc motor driver, and the motor driving circuit (3) includes an input terminal and an output terminal, the input terminal is electrically connected to the PWM port, and the output terminal is electrically connected to the electronic actuator.

6. A multi-channel control device supporting multiple communications according to claim 1, wherein the number of the motor driving circuits (3) and the number of the communication interface module circuits (2) are the same, and the motor driving circuits (3) and the communication interface module circuits (2) are in one-to-one correspondence.

7. A multi-channel control device supporting multiple communications according to claim 1, characterized in that the minimal system of single chip microcomputer (1) is an STM32 minimal system of single chip microcomputer.