CN214480673U - Wiring circuit of communication bus - Google Patents
Wiring circuit of communication bus Download PDFInfo
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- CN214480673U CN214480673U CN202121137470.4U CN202121137470U CN214480673U CN 214480673 U CN214480673 U CN 214480673U CN 202121137470 U CN202121137470 U CN 202121137470U CN 214480673 U CN214480673 U CN 214480673U
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Abstract
The application provides a wiring circuit of communication bus includes: the first end of the main control unit is connected with the first end of the first component through a first communication bus, the second end of the first component is connected with the first end of the second component through a second communication bus, the second end of the second component is connected with the first end of the third component through a third communication bus, the second end of the main control unit is connected with the second end of the third component through a fourth communication bus, and when the communication bus is disconnected or a terminal is poor, standby communication is provided for each component. This application is through increasing communication circuit between main control unit and third part, when having communication bus to take place the disconnection or have a terminal bad, can guarantee that entire system's communication is effective communication, still can guarantee all parts normal use of robot, realizes the purpose of guaranteeing system reliability.
Description
Technical Field
The present application relates to the field of service robot control technologies, and in particular, to a connection circuit for a communication bus.
Background
The present service robot generally uses CAN or RS485 as a plurality of modules in a communication bus series, and communication lines of the modules belong to a single-wire series, however, when the communication lines are connected in series in a single wire, if a point is broken or a terminal is bad (as shown in fig. 1), some parts of the robot cannot work normally, for example, when a break occurs between the first component 20 and the second component 30 in fig. 1, the second component 30 and the third component 40 cannot work normally, and the reliability of the system cannot be ensured.
Therefore, if one point is disconnected or one terminal is defective, all parts of the robot can still be ensured to be normally used, so as to ensure the reliability of the system, which becomes a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The application provides a wiring circuit of communication bus, solves when a point breaks off or has a terminal bad, still can guarantee all parts normal use of robot to guarantee the reliability of system.
In order to achieve the above object, the present application provides the following technical solutions:
a wiring circuit for a communication bus, comprising: the first end of the main control unit is connected with the first end of the first component through a first communication bus, the second end of the first component is connected with the first end of the second component through a second communication bus, the second end of the second component is connected with the first end of the third component through a third communication bus, the second end of the main control unit is connected with the second end of the third component through a fourth communication bus, and when the communication bus is disconnected or a terminal is poor, standby communication is provided for each component.
Preferably, when the first communication bus between the first end of the main control unit and the first end of the first component is disconnected or one terminal is poor, the main control unit provides communication for the third component, the second component and the first component through the fourth communication bus.
Preferably, when the second communication bus between the second end of the first component and the first end of the second component is disconnected or one terminal is poor, the main control unit provides communication for the first component through the first communication bus, and the main control unit provides communication for the third component and the second component through the fourth communication bus and the third communication bus.
Preferably, when the third communication bus between the second end of the second unit and the first end of the third unit is disconnected or one terminal is bad, the main control unit provides communication for the first unit and the second unit through the first communication bus and the second communication bus, and the main control unit provides communication for the third unit through the fourth communication bus.
Preferably, the first communication bus, the second communication bus, the third communication bus and the fourth communication bus are CAN buses or RS485 buses.
Preferably, the first communication bus, the second communication bus, the third communication bus and the fourth communication bus are a CAN bus and an RS485 bus.
The application provides a wiring circuit of communication bus includes: the first end of the main control unit is connected with the first end of the first component through a first communication bus, the second end of the first component is connected with the first end of the second component through a second communication bus, the second end of the second component is connected with the first end of the third component through a third communication bus, the second end of the main control unit is connected with the second end of the third component through a fourth communication bus, and when the communication bus is disconnected or a terminal is poor, standby communication is provided for each component. This application is through increasing communication circuit between main control unit and third part, when having communication bus to take place the disconnection or have a terminal bad, can guarantee that entire system's communication is effective communication, still can guarantee all parts normal use of robot, realizes the purpose of guaranteeing system reliability.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a connection circuit structure of a communication bus provided in the prior art;
fig. 2 is a schematic diagram of a connection circuit structure of a communication bus according to an embodiment of the present disclosure.
Detailed Description
The application provides a wiring circuit of communication bus, through increasing a communication circuit, can realize when a point disconnection or there is a terminal bad, still can guarantee all parts normal use of robot to guarantee the reliability of system.
Therefore, the utility model of this application aim at: how to ensure that all parts of the robot can be normally used when one terminal is disconnected or is poor at one point so as to ensure the reliability of the system.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Fig. 2 is a schematic diagram of a connection circuit structure of a communication bus according to an embodiment of the present disclosure. As shown in fig. 2, an embodiment of the present application provides a wiring circuit of a communication bus, including: the main control unit 10, the first part 20, the second part 30 and the third part 40, the first end of the main control unit 10 with the first end of the first part 20 links to each other through first communication bus, the second end of the first part 20 with the first end of the second part 30 links to each other through second communication bus, and the second end of the second part 30 with the first end of the third part 40 links to each other through third communication bus, the second end of the main control unit 10 with the second end of the third part 40 links to each other through fourth communication bus, when communication bus takes place to break or there is a terminal bad, provides standby communication for each part.
In this application embodiment, when the first communication bus between the first end of the main control unit and the first end of the first component is disconnected or there is a terminal failure, the main control unit is through the fourth communication bus for the third component, the second component with the first component provides communication.
In this application embodiment, when the second communication bus between the second end of first part with the first end of second part takes place to break off or there is a terminal bad, the main control unit passes through first communication bus does first part provides the communication, the main control unit passes through fourth communication bus with third communication bus does the third part with the second part provides the communication.
In this application embodiment, when the second end of second part with between the first end of third part the third communication bus takes place to break or there is a terminal bad, the main control unit passes through first communication bus with the second communication bus does first part with the second part provides the communication, the main control unit passes through fourth communication bus does the third part provides the communication.
It should be noted that, in this embodiment of the application, the first communication bus, the second communication bus, the third communication bus, and the fourth communication bus are CAN buses or RS485 buses.
It should be noted that, in this embodiment of the application, the first communication bus, the second communication bus, the third communication bus, and the fourth communication bus are a CAN bus and an RS485 bus. That is, in the specific embodiment, the RS485 loop and the CAN loop may be used simultaneously, and one of the links is used as a backup, which may further improve the stability of the system.
The embodiment of the application provides a wiring circuit of communication bus, includes: the first end of the main control unit is connected with the first end of the first component through a first communication bus, the second end of the first component is connected with the first end of the second component through a second communication bus, the second end of the second component is connected with the first end of the third component through a third communication bus, the second end of the main control unit is connected with the second end of the third component through a fourth communication bus, and when the communication bus is disconnected or a terminal is poor, standby communication is provided for each component. According to the embodiment of the application, the communication loop is additionally arranged between the main control unit and the third component, when a communication bus is disconnected or a terminal is poor, the communication of the whole system can be guaranteed to be effective communication, the normal use of all components of the robot can be guaranteed, and the purpose of guaranteeing the reliability of the system is achieved.
In the communication link of the service robot, the probability of the single wire disconnection failure or the failure of one terminal is low, and therefore, the present embodiment is described by taking as an example the case where the single wire disconnection failure or the failure of one terminal occurs in the communication link.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (6)
1. A wiring circuit for a communication bus, comprising: the first end of the main control unit is connected with the first end of the first component through a first communication bus, the second end of the first component is connected with the first end of the second component through a second communication bus, and the second end of the second component is connected with the first end of the third component through a third communication bus, and the main control unit is characterized in that:
and the second end of the main control unit is connected with the second end of the third component through a fourth communication bus, and when the communication bus is disconnected or one terminal is poor, standby communication is provided for each component.
2. The wiring circuit of claim 1, wherein when the first communication bus between the first end of the master control unit and the first end of the first component is disconnected or one of the terminals is defective, the master control unit provides communication to the third component, the second component, and the first component through the fourth communication bus.
3. The wiring circuit of claim 1, wherein when the second communication bus between the second end of the first unit and the first end of the second unit is disconnected or one of the terminals is defective, the master unit provides communication to the first unit through the first communication bus, and the master unit provides communication to the third unit and the second unit through the fourth communication bus and the third communication bus.
4. The wiring circuit according to claim 1, wherein when the third communication bus between the second end of the second unit and the first end of the third unit is disconnected or one of the terminals is defective, the main control unit provides communication for the first unit and the second unit through the first communication bus and the second communication bus, and the main control unit provides communication for the third unit through the fourth communication bus.
5. The wiring circuit of any of claims 1-4, wherein the first, second, third, and fourth communication buses are CAN buses or RS485 buses.
6. The wiring circuit of claim 5, wherein the first, second, third, and fourth communication buses are CAN buses and RS485 buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137470.4U CN214480673U (en) | 2021-05-25 | 2021-05-25 | Wiring circuit of communication bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137470.4U CN214480673U (en) | 2021-05-25 | 2021-05-25 | Wiring circuit of communication bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214480673U true CN214480673U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121137470.4U Active CN214480673U (en) | 2021-05-25 | 2021-05-25 | Wiring circuit of communication bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214480673U (en) |
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2021
- 2021-05-25 CN CN202121137470.4U patent/CN214480673U/en active Active
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Address after: Room 702, 7th floor, NO.67, Beisihuan West Road, Haidian District, Beijing 100080 Patentee after: Beijing Yunji Technology Co.,Ltd. Address before: Room 702, 7th floor, NO.67, Beisihuan West Road, Haidian District, Beijing 100080 Patentee before: BEIJING YUNJI TECHNOLOGY Co.,Ltd. |
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