CN215186528U - Stepping drive serial port interconnection system - Google Patents
Stepping drive serial port interconnection system Download PDFInfo
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- CN215186528U CN215186528U CN202121475483.2U CN202121475483U CN215186528U CN 215186528 U CN215186528 U CN 215186528U CN 202121475483 U CN202121475483 U CN 202121475483U CN 215186528 U CN215186528 U CN 215186528U
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Abstract
The utility model relates to a step motor drives technical field, especially relates to a step drive serial ports interconnected system. The step-by-step driving serial port interconnection system comprises: the control module comprises a main controller and N node controllers connected with the main controller in parallel, and is used for sending parameter adjusting signals to the N node controllers and sending first control signals to a connected target driver; and the N node controllers are used for sending a second control signal to the connected drivers when receiving the parameter adjusting signals so as to realize synchronous parameter adjustment on the N +1 drivers. The serial port communication is added between the controller and the driver, so that information interaction is completed, and batch parameter adjustment of a plurality of stepping motors is realized.
Description
Technical Field
The utility model relates to a step motor drives technical field, especially relates to a step drive serial ports interconnected system.
Background
In a traditional stepping motor driving system, a control chip outputs a pulse signal, the pulse signal is amplified by a driver to generate a driving signal, and the stepping motor is driven to work by the driving signal; when a plurality of stepping motors work simultaneously, if the working mode of the stepping motors needs to be changed, parameter adjustment is often required to be carried out on the control chips corresponding to the stepping motors one by one, a lot of time can be spent in the process, so that the parameter adjustment cannot be carried out quickly, and the use experience of a user is damaged.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a step-by-step drive serial ports interconnected system aims at avoiding a plurality of step motor simultaneous workings need carry out parameter adjustment's problem one by one.
In order to achieve the above object, the utility model provides a step-by-step drive serial ports interconnected system, step-by-step drive serial ports interconnected system includes: the control module comprises a main controller and N node controllers connected with the main controller in parallel, the driving module comprises N +1 drivers, and the N +1 drivers are respectively connected with the main controller and the N node controllers, wherein N is more than or equal to 1;
the main controller is used for sending a parameter adjusting signal to the N node controllers and sending a first control signal to a connected target driver;
and the N node controllers are used for sending a second control signal to the connected drivers when receiving the parameter adjusting signal so as to realize synchronous parameter adjustment of the N +1 drivers.
Optionally, the N +1 drivers are connected in series.
Optionally, the N +1 drivers are connected to the stepping motors in a one-to-one correspondence.
Optionally, the driving module comprises a first driver and a second driver connected to each other;
the first driver is used for sending a first synchronization signal to the second driver when receiving a control signal and a power-on signal corresponding to the first driver;
and the second driver is used for driving the stepping motor corresponding to the second driver according to the first synchronous signal.
Optionally, the second driver is configured to generate a driving signal according to a control signal corresponding to the second driver when receiving the first synchronization signal, and send the driving signal to the stepping motor corresponding to the second driver, so as to drive the stepping motor corresponding to the second driver to operate.
Optionally, the second driver includes a driving receiver and a driving transmitter, and the driving module further includes a third driver connected to the driving transmitter of the second driver;
the driving receiver is used for receiving a first synchronization signal sent by the first driver;
the driving transmitter is used for transmitting a second synchronous signal to the third driver when receiving the control signal corresponding to the second driver;
and the third driver is used for driving the stepping motor corresponding to the third driver when the second synchronous signal and the control signal corresponding to the third driver are received.
Optionally, the master controller includes a master transmitter and N master receivers, the node controller includes a node transmitter and a node receiver, the master transmitter is connected with the node receiver, and the node transmitter is connected with the master receiver;
the master transmitter is used for transmitting the parameter adjusting signal generated by the master controller to the node receiver;
and the main receiver is used for receiving the feedback signal returned by the node transmitter.
Optionally, the master controller and the N node controllers are connected to form a star topology.
Optionally, the N +1 drivers form a daisy-chain topology.
Optionally, the N is equal to 2.
The utility model provides a step-by-step drive serial ports interconnected system, step-by-step drive serial ports interconnected system includes: the control module comprises a main controller and N node controllers connected with the main controller in parallel, the driving module comprises N +1 drivers, and the N +1 drivers are respectively connected with the main controller and the N node controllers, wherein N is more than or equal to 1; the main controller is used for sending a parameter adjusting signal to the N node controllers and sending a first control signal to a connected target driver; n node controllers for when receiving transfer the parameter signal, send the second control signal to the driver of connection, the system is through increasing serial connections between a plurality of step motor's controller, make a plurality of step motor's controller can carry out the information interaction, appoint a main control unit simultaneously and unified send transfer the parameter information, realized the centralized control to a plurality of step motor, it is simple to connect, the system response speed is fast, be favorable to avoiding a plurality of step motor simultaneous workings to need the problem of carrying out parameter adjustment one by one, the simplified operation, the manpower is saved, effectively improve user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of functional modules of an embodiment of the step-by-step driving serial port interconnection system of the present invention;
fig. 2 is a schematic diagram of a system structure according to an embodiment of the step-by-step driving serial port interconnection system of the present invention;
fig. 3 is a schematic view of a driver topology according to an embodiment of the step-by-step driving serial port interconnection system of the present invention;
fig. 4 is a schematic diagram of a controller topology according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Control module | B1～B3 | First to |
| 200 | Drive module | D1～D3 | Drive receiver |
| A0 | Main controller | E1～E3 | Drive transmitter |
| A | Node controller | F0 | Master transmitter |
| B | Driver | G0 | Master receiver |
| C | Stepping motor | G | Node receiver |
| F | Node sender |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic diagram of functional modules of an embodiment of a step-by-step driving serial port interconnection system according to the present invention; fig. 2 is a schematic diagram of a system structure according to an embodiment of the step-by-step driving serial port interconnection system of the present invention; fig. 3 is a schematic view of a driver topology according to an embodiment of the step-by-step driving serial port interconnection system of the present invention; fig. 4 is a schematic diagram of a controller topology according to an embodiment of the step-by-step driving serial port interconnection system of the present invention;
the utility model relates to a step-by-step drive serial ports interconnected system, step-by-step drive serial ports interconnected system includes: control module 100 and drive module 200, control module 100 include main controller A0 and with N node controller A of main controller A0 parallel connection, the drive module includes N +1 driver B, N +1 driver B respectively with main controller A0 and N node controller A connects, wherein, N more than or equal to 1.
The master controller a0 is configured to send a tuning parameter signal to the N node controllers a, and send a first control signal to a connected target driver B.
In this embodiment, the main controller a0 is a product capable of sending high-speed pulse signals and having a programming function, for example: a single chip microcomputer; when the work of the stepping motor needs to be adjusted, a technician changes the program code of the main controller A0, the main controller A0 generates parameter adjusting signals carrying parameter information according to the program code, sends the parameter adjusting signals to all the connected node controllers A, and generates first control signals according to the parameter adjusting signals. In specific implementation, the type can be selected according to actual requirements, and the embodiment does not limit this.
It is understood that the parameter adjusting signal is a signal transmitted during communication between the main controller a0 and the node controller a, and the signal contains setting information of the technician for the operation of each stepping motor, such as: the voltage and the electrifying sequence of each coil of the stepping motor.
It should be understood that the first control signal is a high-speed pulse signal, which is a signal interpreted by the main controller a0 according to the parameter adjustment signal to control the operation of the corresponding stepper motor, and the signal cannot be directly applied to the stepper motor.
And the N node controllers A are used for sending a second control signal to the connected drivers B when receiving the parameter adjusting signal so as to realize synchronous parameter adjustment on the N +1 drivers B. In this embodiment, the types and models of the N node controllers a are the same as those of the main controller a0, and are distinguished only by functional differences in specific implementations.
It can be understood that the second control signal is a high-speed pulse signal generated by the N node controllers a analyzing and decomposing the tuning reference signal to select useful information, and the second control signal is a generic term of a plurality of signals, which do not necessarily contain the same information.
This embodiment provides a step drive serial port interconnect system, step drive serial port interconnect system includes: the control module 100 comprises a main controller A0 and N node controllers A connected in parallel with the main controller A0, and the driving module comprises N +1 drivers B, wherein the N +1 drivers B are respectively connected with the main controller A0 and the N node controllers A, and N is greater than or equal to 1; the master controller a0 is configured to send a tuning parameter signal to the N node controllers a, and send a first control signal to a connected target driver B. And the N node controllers A are used for sending a second control signal to the connected drivers B when receiving the parameter adjusting signal so as to realize synchronous parameter adjustment on the N +1 drivers B. In this embodiment, the system makes a plurality of step motor's controller can carry out the information interaction through increasing serial connections between a plurality of step motor's controller, appoints a main control unit simultaneously and sends in unison and transfer the parameter information, has realized the centralized control to a plurality of step motor, connects simply, and system response speed is fast, is favorable to avoiding a plurality of step motor simultaneous workings to need to carry out the problem of parameter adjustment one by one, and the simplified operation is used manpower sparingly, effectively improves user experience.
Further, referring to fig. 2, the N +1 drivers B are connected in series. In this embodiment, each driver B is connected to an adjacent driver B via a serial port.
Further, with continued reference to fig. 2, the N +1 drivers B are connected to the stepping motors C in a one-to-one correspondence. In this embodiment, the number of the stepping motors C and the number of the drivers B are the same, that is, each driver B has only one stepping motor C connected thereto.
Further, referring to fig. 3, the driving module 200 includes a first driver B1 and a second driver B2 connected to each other.
The first driver B1 is configured to send a first synchronization signal to the second driver B2 when receiving the control signal and the power-on signal corresponding to the first driver B1. In this embodiment, the power-up signal refers to a power supply signal, the first driver B1 is the first driver B that receives the power-up signal, and this selection process is random. In particular implementations, the choice of the first driver B1 is many possible depending on the actual situation.
And the second driver B2 is used for driving the stepping motor corresponding to the second driver B2 according to the first synchronization signal. In the present embodiment, the first synchronization signal is a signal generated by the first driver B1.
Further, with reference to fig. 3, the second driver B2 is configured to generate a driving signal according to the control signal corresponding to the second driver B2 when receiving the first synchronization signal, and send the driving signal to the stepping motor corresponding to the second driver B2 to drive the stepping motor corresponding to the second driver B2 to operate. In this embodiment, only when the second driver B2 receives the first synchronization signal and the corresponding control signal, the corresponding control signal is amplified and subdivided, and then sent to the corresponding stepping motor, so as to drive the stepping motor to operate.
Further, with continued reference to fig. 3, the second driver B2 includes a driving receiver D2 and a driving transmitter E2, and the driving module 200 further includes a third driver B3, the third driver B3 being connected with the driving transmitter of the second driver B2;
the driving receiver D2 is configured to receive the first synchronization signal sent by the first driver B1. It should be noted that the second driver may analyze and process the first synchronization signal.
The driving transmitter E2 is configured to transmit a second synchronization signal to the third driver B3 when receiving a control signal corresponding to the second driver B2. It should be noted that the second synchronization signal is a signal processed and forwarded by the second driver B2. In this embodiment, the second driver B2 may only forward the first synchronization signal, i.e., the second synchronization signal may be identical in content to the first synchronization signal.
And the third driver B3 is configured to drive the stepping motor C corresponding to the third driver B3 when receiving the second synchronization signal and the control signal corresponding to the third driver B3. It is understood that the third driver B3 also has the function of information interaction with the driver B connected to the other end.
It will be appreciated that the N +1 drivers B are identical in structure, i.e. all N +1 drivers have corresponding receivers and transmitters, for example: the first driver B1 includes a drive receiver D1 and a drive transmitter E1, the second driver B2 includes a drive receiver D2 and a drive transmitter E2, and the third driver B3 includes a drive receiver D3 and a drive transmitter E3. In the present embodiment, only the second driver a2 is explained in detail for convenience of description.
It should be noted that, the specific manner of the information interaction is as follows: the first powered driver B generates a first synchronous signal, the first synchronous signal is sent to the driver B connected with one end of the first powered driver B while the corresponding control signal is amplified and subdivided to drive the corresponding stepping motor to work, the driver B receiving the first synchronous signal drives the corresponding stepping motor to work when receiving the powered signal, the first synchronous signal is processed, a second synchronous signal is sent to the other connected driver B, and the process is circulated until the first powered driver B receives the (N + 1) th synchronous signal sent by the driver B connected with the other end of the first powered driver B, and the information interaction is confirmed to be completed.
Further, with continued reference to fig. 3, the N +1 drivers B form a daisy-chained topology. It is understood that the daisy chain topology is a ring structure of devices, and the number of transmitters and receivers can be reduced by half. When a node sends a message, which is processed by each device within the ring, if the ring is broken, the transmission can continue through the reverse path, thereby ensuring that all nodes are always connected and that packets can be sent in the event of a single failure, normally packets will circulate around the ring, eventually being returned to the first device by the last device connected.
Further, referring to fig. 4, further, referring to fig. 3, the master controller a0 includes a master transmitter F0 and N master receivers G0, the node controller a includes a node controller F and a node receiver G, the master transmitter F0 is connected with the node receiver G, and the node controller F is connected with the master receiver G0;
the master transmitter F0, configured to transmit the parameter adjusting signal generated by the master controller A0 to the node receiver G.
The master receiver G0 is configured to receive a feedback signal returned by the node controller F.
It should be noted that the master transmitter F0, the master receiver G0, the node receivers G and the node transmitters F are used for implementing information interaction between the master controller a0 and the N +1 node controllers F. The specific information interaction mode is as follows: the master controller A0 generates a parameter adjusting signal, and sends the parameter adjusting signal to the node receiver G of each node controller A through the master transmitter F0, after the node controller A receives the parameter adjusting signal, the node controller A processes the parameter adjusting signal, and sends a feedback signal to the master receiver G0 of the master controller A0 through the respective node transmitter F; when the master controller a0 receives all the feedback signals from the node controller a, the master controller a0 confirms that the transmission of the parameter adjustment information is successful, and the next interactive preparation can be performed.
Further, with continued reference to fig. 4, the master controller a0 and the N node controllers a are connected to form a star topology. It should be noted that the star topology is a radial interconnection structure that connects a plurality of peripheral nodes with a central node as a center, each node is connected with the central node in a point-to-point manner, and the central node executes a centralized communication control strategy.
In this embodiment, the master controller a0 is connected to the node controller a as an intermediate node, and can perform information interaction with multiple node controllers a.
Optionally, the N is equal to 2. It will be appreciated that when N equals 2, the system includes a master controller a0, two node controllers a, three drives B.
It should be noted that, when N is equal to 2, the interaction process between the master controller a0 and the two node controllers a is as follows: the master controller A0 generates and sends the parameter adjusting signal in a broadcast mode, the two node controllers A send feedback signals to the master controller A0 after receiving the parameter adjusting signal, and when the master controller A0 receives the two feedback signals, the interaction is confirmed to be completed.
It is easy to understand that when N is equal to 2, the interaction process of the first to third drivers is: the first driver B1 generates and sends a first synchronization signal to the second driver B2 after receiving the power-on signal, the second driver B2 processes the first synchronization signal and sends a second synchronization signal to the third driver B3, the third driver B3 sends a third synchronization signal to the first driver after receiving the second synchronization signal, and when the first driver receives the third synchronization signal sent by the third synchronization signal, the interaction is confirmed to be completed.
This embodiment provides a step drive serial port interconnect system, step drive serial port interconnect system includes: the control module 100 comprises a main controller A0 and N node controllers A connected in parallel with the main controller A0, and the driving module comprises N +1 drivers B, wherein the N +1 drivers B are respectively connected with the main controller A0 and the N node controllers A, and N is greater than or equal to 1; the master controller a0 is configured to send a tuning parameter signal to the N node controllers a, and send a first control signal to a connected target driver B. And the N node controllers A are used for sending a second control signal to the connected drivers B when receiving the parameter adjusting signal so as to realize synchronous parameter adjustment on the N +1 drivers B. In this embodiment, the system makes the drivers of the plurality of stepping motors capable of information interaction by adding serial connections between the drivers of the plurality of stepping motors, and all the drivers B are connected in series to form a daisy chain topology structure, so that the missing transmission and the mistransmission of control signals can be avoided, the time delay between driving signals can be reduced, and the user experience can be effectively improved.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in the specific application, those skilled in the art can set the solution as required, and the present invention is not limited thereto.
It should be noted that the above-described work flow is only illustrative, and does not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to practical needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment can be referred to the step-by-step driving serial port interconnection system provided by any embodiment of the present invention, and are not described herein again.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A step-drive serial port interconnection system, comprising: the control module comprises a main controller and N node controllers connected with the main controller in parallel, the driving module comprises N +1 drivers, and the N +1 drivers are respectively connected with the main controller and the N node controllers, wherein N is more than or equal to 1;
the main controller is used for sending a parameter adjusting signal to the N node controllers and sending a first control signal to a connected target driver;
and the N node controllers are used for sending a second control signal to the connected drivers when receiving the parameter adjusting signal so as to realize synchronous parameter adjustment of the N +1 drivers.
2. The step-drive serial port interconnect system of claim 1, in which said N +1 drivers are connected in series.
3. The step-drive serial port interconnection system according to claim 2, wherein the N +1 drivers are connected to the step motors in a one-to-one correspondence.
4. The step-drive serial port interconnect system of claim 3, wherein the drive module comprises a first driver and a second driver interconnected;
the first driver is used for sending a first synchronization signal to the second driver when receiving a control signal and a power-on signal corresponding to the first driver;
and the second driver is used for driving the stepping motor corresponding to the second driver according to the first synchronous signal.
5. The step-drive serial port interconnection system according to claim 4, wherein the second driver is configured to generate a drive signal according to a control signal corresponding to the second driver when receiving the first synchronization signal, and send the drive signal to the step motor corresponding to the second driver, so as to drive the step motor corresponding to the second driver to operate.
6. The step-drive serial port interconnect system of claim 5, wherein the second driver comprises a drive receiver and a drive transmitter, the drive module further comprising a third driver, the third driver being connected to the drive transmitter of the second driver;
the driving receiver is used for receiving a first synchronization signal sent by the first driver;
the driving transmitter is used for transmitting a second synchronous signal to the third driver when receiving the control signal corresponding to the second driver;
and the third driver is used for driving the stepping motor corresponding to the third driver when the second synchronous signal and the control signal corresponding to the third driver are received.
7. The step-drive serial port interconnection system according to any one of claims 1 to 6, wherein the master controller comprises a master transmitter and N master receivers, the node controller comprises a node transmitter and a node receiver, the master transmitter is connected with the node receiver, and the node transmitter is connected with the master receiver;
the master transmitter is used for transmitting the parameter adjusting signal generated by the master controller to the node receiver;
and the main receiver is used for receiving the feedback signal returned by the node transmitter.
8. The step-driven serial port interconnect system of any of claims 1 to 6, wherein the master controller and the N node controllers form a star topology.
9. The step-drive serial port interconnect system of any of claims 1 to 6, wherein said N +1 drivers form a daisy chain topology.
10. The step-drive serial port interconnect system of any of claims 1 to 6, wherein N equals 2.
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| CN202121475483.2U CN215186528U (en) | 2021-06-30 | 2021-06-30 | Stepping drive serial port interconnection system |
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