CN220603888U - Digital quantity signal remote control circuit and card type bus IO module - Google Patents
Digital quantity signal remote control circuit and card type bus IO module Download PDFInfo
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- CN220603888U CN220603888U CN202322391064.6U CN202322391064U CN220603888U CN 220603888 U CN220603888 U CN 220603888U CN 202322391064 U CN202322391064 U CN 202322391064U CN 220603888 U CN220603888 U CN 220603888U
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- 238000010586 diagram Methods 0.000 description 14
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- 230000003287 optical effect Effects 0.000 description 6
- 230000005693 optoelectronics Effects 0.000 description 4
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a digital quantity signal remote control circuit and a card type bus I O module, which comprise an adapter control sub-circuit and a first digital signal transmission sub-circuit; the first digital signal transmission sub-circuit comprises a first power supply module, a first control module, a first data transmission module, a photoelectric isolation output module and a digital signal output module; the adapter control sub-circuit is electrically connected with the upper computer, the first data transmission module is electrically connected with the adapter control sub-circuit, the first control module is electrically connected with the first data transmission module, the photoelectric isolation output module is electrically connected with the first control module, the digital signal output module is electrically connected with the photoelectric isolation output module, and the industrial equipment is electrically connected with the digital signal output module. The utility model can realize the output control of digital quantity signals and ensure the reliability of signal transmission; in addition, the utility model can realize the expansion of a plurality of digital quantity output boards and meet the use requirement of remote control of large-scale industrial equipment.
Description
Technical Field
The utility model relates to the technical field of industrial equipment control, in particular to a digital quantity signal remote control circuit and a card type bus IO module.
Background
The bus IO module is a digital operation electronic system which is specially designed and manufactured for application in an industrial environment. The industrial control device uses microprocessor as core and has instruction memory and input/output interface, and integrates automation technology, computer technology and communication technology into one body.
In practical application, the digital quantity output board card can provide rich output interfaces, and a communication network port of the digital quantity output board card is connected to an upper computer system in a use state, and the output interfaces are connected to industrial equipment such as a reed relay, an operation switch, a measurer and the like; the upper computer system sends a control instruction to the digital quantity output board card, so that remote control of related workers on the industrial production site on industrial equipment is realized, and the operation efficiency of the industrial production system is improved.
However, the prior art digital quantity output board card has the following drawbacks: 1) Because the transmission distance is too long, the transmission of the digital quantity output signal is unstable, and the digital quantity output signal is easy to be damaged and interfered in the transmission process; 2) The interface quantity of the digital quantity output signals is fixed, the field Jing Shouxian is used, if the interface quantity is required to be increased, an adapter and the digital quantity output board card are required to be increased at the same time, wherein the adapter is used for providing a connection network port for communication with an upper computer, the occupied space is large, and the user experience is reduced. Therefore, the utility model provides a circuit board capable of realizing stable signal transmission and expanding a plurality of digital quantity output boards to reduce arrangement space, which is a problem to be solved by those skilled in the art.
Disclosure of Invention
The purpose of the application is to provide a digital quantity signal remote control circuit and a card type bus IO module, in the scheme, the output control of the digital quantity signal can be realized, and the reliability of signal transmission is ensured; in addition, the utility model can realize the expansion of a plurality of digital quantity output boards and meet the use requirement of remote control of large-scale industrial equipment.
In order to solve the technical problems, the application provides a digital quantity signal remote control circuit, which comprises an adapter control sub-circuit and a first digital signal transmission sub-circuit;
the first digital signal transmission sub-circuit comprises a first power supply module, a first control module, a first data transmission module, a photoelectric isolation output module and a digital signal output module;
the first power module is electrically connected with the first control module, the first data transmission module, the photoelectric isolation output module and the digital signal output module respectively;
the adapter control sub-circuit is electrically connected with the upper computer, the first data transmission module is electrically connected with the adapter control sub-circuit, the first control module is electrically connected with the first data transmission module, the photoelectric isolation output module is electrically connected with the first control module, the digital signal output module is electrically connected with the photoelectric isolation output module, and the industrial equipment is electrically connected with the digital signal output module.
Preferably, the one digital quantity signal remote control circuit further comprises a second digital signal transmission sub-circuit;
the second digital signal transmission sub-circuit is electrically connected with the first digital signal transmission sub-circuit and the adapter control sub-circuit respectively.
Preferably, the one digital quantity signal remote control circuit further comprises a third digital signal transmission sub-circuit;
the third digital signal transmission sub-circuit is electrically connected with the first digital signal transmission sub-circuit, the second digital signal transmission sub-circuit and the adapter control sub-circuit respectively.
Preferably, the adapter control sub-circuit comprises a second power supply module, a second control module, a slave station control module, an output network port communication module and a second data transmission module;
the second power module is respectively and electrically connected with the second control module, the secondary station control module and the output network port communication module;
the second control module is electrically connected with the secondary station control module, the secondary station control module is electrically connected with the output network port communication module, and the output network port communication module is electrically connected with the upper computer;
the second data transmission module is electrically connected with the first data transmission module.
Preferably, the optoelectronic isolation output module comprises a first optoelectronic isolation output unit;
the first photoelectric isolation output unit is electrically connected with the first power supply module, the first control module and the digital signal output module respectively.
Preferably, the optoelectronic isolation output module further comprises a second optoelectronic isolation output unit;
the second photoelectric isolation output unit is electrically connected with the first power supply module, the first control module and the digital signal output module respectively.
Preferably, the first photoelectric isolation output unit comprises a first photoelectric isolator, a first input signal processing subunit and a first output signal processing subunit;
the first photoelectric isolator is electrically connected with the first input signal processing subunit and the first output signal processing subunit respectively, the first input signal processing subunit is electrically connected with the first control module, and the first output signal processing subunit is electrically connected with the digital signal output module.
Preferably, the second photoelectric isolation output unit comprises a second photoelectric isolator, a second input signal processing subunit and a second output signal processing subunit;
the second photoelectric isolator is electrically connected with the second input signal processing subunit and the second output signal processing subunit respectively, the second input signal processing subunit is electrically connected with the second control module, and the second output signal processing subunit is electrically connected with the digital signal output module.
Preferably, the first data transmission module comprises an RS485 transceiver;
the RS485 transceiver is electrically connected with the first power supply module, the first control module and the adapter control sub-circuit respectively.
In order to solve the technical problems, the application provides a card type bus IO module which comprises the digital quantity signal remote control circuit.
The digital quantity signal remote control circuit and the card type bus IO module have the following beneficial effects that the digital quantity signal remote control circuit disclosed by the utility model comprises: an adapter control sub-circuit and a first digital signal transmission sub-circuit; the first digital signal transmission sub-circuit comprises a first power supply module, a first control module, a first data transmission module, a photoelectric isolation output module and a digital signal output module. The adapter control sub-circuit is connected with the upper computer and is used for receiving a remote control instruction sent by the upper computer; the first data transmission module is connected with the adapter control sub-circuit and is used for transmitting the remote control instruction to the first control module, and the first control module is used for analyzing the remote control instruction into a plurality of paths of digital output signals and then transmitting the signals to the photoelectric isolation output module; the photoelectric isolation output module is used for converting the digital output signal into an optical or magnetic signal and processing the optical or magnetic signal in the isolation layer; the digital signal output module is used for providing a connection interface with industrial equipment and outputting digital signals to realize remote control of the industrial equipment. Therefore, the utility model can realize the output control of the digital quantity signal and ensure the reliability and stability of signal transmission.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a schematic block diagram of a remote control circuit for digital quantity signals according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic block diagram of another digital quantity signal remote control circuit according to the preferred embodiment of the present utility model;
FIG. 3 is a schematic block diagram of another digital quantity signal remote control circuit according to the preferred embodiment of the present utility model;
FIG. 4 is a schematic circuit diagram of a control module of a digital quantity signal remote control circuit according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic circuit diagram of a first photo-isolated output unit of a remote control circuit for digital signals according to a preferred embodiment of the present utility model;
FIG. 6 is a schematic circuit diagram of a second photo-isolated output unit of a digital quantity signal remote control circuit according to a preferred embodiment of the present utility model;
fig. 7 is a schematic circuit diagram of a first data transmission module of a remote control circuit for digital quantity signals according to a preferred embodiment of the present utility model.
Detailed Description
The core of the application is to provide a digital quantity signal remote control circuit and a card type bus IO module, in the scheme, the output control of the digital quantity signal can be realized, and the reliability of signal transmission is ensured; in addition, the utility model can realize the expansion of a plurality of digital quantity output boards and meet the use requirement of remote control of large-scale industrial equipment.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, fig. 1 is a schematic block diagram of a digital signal remote control circuit provided in the present application, which includes an adapter control sub-circuit 1 and a first digital signal transmission sub-circuit 2;
the first digital signal transmission sub-circuit 2 comprises a first power module 21, a first control module 22, a first data transmission module 23, a photoelectric isolation output module 24 and a digital signal output module 25;
the first power module 21 is electrically connected with the first control module 22, the first data transmission module 23, the photoelectric isolation output module 24 and the digital signal output module 25 respectively;
the adapter control sub-circuit 1 is electrically connected with the upper computer 3, the first data transmission module 23 is electrically connected with the adapter control sub-circuit 1, the first control module 22 is electrically connected with the first data transmission module 23, the photoelectric isolation output module 24 is electrically connected with the first control module 22, the digital signal output module 25 is electrically connected with the photoelectric isolation output module 24, and the industrial equipment is electrically connected with the digital signal output module 25.
In the prior art, the transmission distance is too far, so that the digital quantity output signal is unstable in transmission, and is easy to damage and interfere in the transmission process.
Aiming at the defects, the output control of the digital quantity signal is realized through the matching of the adapter control sub-circuit 1 and the first digital signal transmission sub-circuit 2, and the reliability and the stability of signal transmission are ensured.
Specifically, the adapter control sub-circuit 1 is connected with the upper computer 3 and is used for receiving a remote control instruction sent by the upper computer 3; the first data transmission module 23 is connected with the adapter control sub-circuit 1, and is used for transmitting a remote control instruction to the first control module 22, and the first control module 22 is used for analyzing the remote control instruction into a plurality of paths of digital output signals and then transmitting the signals to the photoelectric isolation output module 24; the photoelectric isolation output module 24 is used for converting the digital output signal into an optical or magnetic signal and processing the optical or magnetic signal in the isolation layer; the digital signal output module 25 is used for providing a connection interface with industrial equipment and outputting digital signals to realize remote control of the industrial equipment.
Specifically, the first control module 22 is set as MCU (Microcontroller Unit), also called a single-chip microcomputer (Single Chip Microcomputer) or a single-chip microcomputer, and is configured to appropriately reduce the frequency and specification of a central processing unit (Central Process Unit; CPU), integrate peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D conversion, UART, PLC, DMA, etc., and even integrate an LCD driving circuit on a single chip to form a chip-level computer, and perform different combination control for different application occasions. In the present embodiment, the model of the first control module 22 is not particularly limited.
In summary, the present application provides a digital quantity signal remote control circuit, which includes an adapter control sub-circuit 1 and a first digital signal transmission sub-circuit 2; the first digital signal transmission sub-circuit 2 includes a first power module 21, a first control module 22, a first data transmission module 23, a photoelectric isolation output module 24, and a digital signal output module 25. In this scheme, the adapter control sub-circuit 1 is used for communicating with an upper computer to realize the transmission of a remote control instruction, and the first digital signal transmission sub-circuit 2 is used for realizing the analysis, photoelectric isolation processing and output of the remote control instruction. Therefore, the utility model can realize the output control of the digital quantity signal and ensure the reliability and stability of signal transmission.
Based on the above embodiments:
referring to fig. 2, fig. 2 is a schematic block diagram of another digital signal remote control circuit provided in the present application.
As a preferred embodiment, a digital quantity signal remote control circuit further comprises a second digital signal transmission sub-circuit 4;
the second digital signal transmission sub-circuit 4 is electrically connected to the first digital signal transmission sub-circuit 2 and the adapter control sub-circuit, respectively.
As a preferred embodiment, a digital quantity signal remote control circuit further comprises a third digital signal transmission sub-circuit 5;
the third digital signal transmission sub-circuit 5 is electrically connected to the first digital signal transmission sub-circuit 2, the second digital signal transmission sub-circuit 4 and the adapter control sub-circuit, respectively.
In the prior art, the number of interfaces of the digital quantity output signals is fixed, and if the number of interfaces is required to be increased, an adapter and a digital quantity output board card are required to be increased at the same time, so that the occupied space is large, and the user experience is reduced.
Specifically, in the present embodiment, the circuit principles of the second digital signal transmission sub-circuit 4 and the third digital signal transmission sub-circuit 5 are the same as those of the first digital signal transmission sub-circuit 2, and will not be described herein.
As a preferred embodiment, the adapter control sub-circuit 1 comprises a second power module 11, a second control module 12, a slave station control module 13, an output port communication module 14 and a second data transmission module 15;
the second power module 11 is electrically connected with the second control module 12, the slave station control module 13 and the output network port communication module 14 respectively;
the second control module 12 is electrically connected with the secondary station control module 13, the secondary station control module 13 is electrically connected with the output network port communication module 14, and the output network port communication module 14 is electrically connected with the upper computer 3;
the second data transmission module 15 is electrically connected to the first data transmission module 23.
Specifically, in this embodiment, the adapter and the upper computer perform communication data transmission through the industrial ethernet protocol EtherCAT, where the EtherCAT has the characteristics of high speed and high data efficiency, and supports multiple device connection topologies. The slave node of EtherCAT is controlled by the slave control module 13, and the master station uses a standard ethernet controller. It is understood that the adapter and the upper computer may also communicate via Profinet protocol, ethernet/IP protocol, CC-Link IE protocol, and the type of communication protocol is not limited herein.
In practical use, one adapter can be used with multiple digital output boards at the same time. The adapter is connected with the plurality of digital quantity output boards in a fitting way through a connecting structure, so that the arrangement space is saved; meanwhile, the adapter communicates with the communication modules arranged in the plurality of digital quantity output boards respectively through the second data transmission module 15, remote control instructions sent by the upper computer are sequentially sent to the corresponding boards, and the corresponding boards respectively analyze, photoelectrically isolate and output the remote control instructions. Therefore, the expansion of a plurality of digital quantity output boards can be realized, one adapter can be matched with a plurality of digital quantity output boards simultaneously for use, the arrangement space is saved, and the use requirement of remote control of large-scale industrial equipment is met.
Referring to fig. 3, fig. 3 is a schematic block diagram of another digital signal remote control circuit provided in the present application.
Referring to fig. 4, fig. 4 is a schematic circuit diagram of a first control module provided in the present application.
Referring to fig. 5, fig. 5 is a schematic circuit diagram of a first photoelectric isolation output unit provided in the present application.
As a preferred embodiment, the opto-isolated output module 24 comprises a first opto-isolated output unit 241;
the first photoelectric isolation output unit 241 is electrically connected to the first power module 21, the first control module 22, and the digital signal output module 25, respectively.
As a preferred embodiment, the first photo-isolated output unit 241 includes a first photo-isolator U5, a first input signal processing subunit 411, and a first output signal processing subunit 412;
the first photo-isolator U5 is electrically connected to the first input signal processing subunit 411 and the first output signal processing subunit 412, respectively, the first input signal processing subunit 411 is electrically connected to the first control module 22, and the first output signal processing subunit 412 is electrically connected to the digital signal output module 25.
Specifically, in the present embodiment, the first input signal processing subunit 411 is configured to receive multiple digital output signals, and limit the current of the power signal of the first photo-isolator U5, so that the resistor in the first input signal processing subunit 411 together with the diode inside the first photo-isolator U5 experiences a voltage drop, and limits the actual current to be within the rated current of the diode inside the first photo-isolator U5; the first photoelectric isolator U5 is configured to convert a digital signal into an optical or magnetic signal, process the optical or magnetic signal in the isolation layer, and finally output a new signal through the first output signal processing subunit 412, so as to implement photoelectric isolation protection; the first output signal processing subunit 412 is configured to divide the voltage of the output pin of the first photoelectric isolation output unit 241, so as to ensure reliable transmission of signals.
It should be noted that, in the present embodiment, the model of the first photoelectric isolation output unit 241 is not specifically limited.
Referring to fig. 6, fig. 6 is a schematic circuit diagram of a second photoelectric isolation output unit provided in the present application.
As a preferred embodiment, the opto-isolated output module 24 further comprises a second opto-isolated output unit 242;
the second photoelectric isolation output unit 242 is electrically connected to the first power module 21, the first control module 22, and the digital signal output module 25, respectively.
As a preferred embodiment, the second photo-isolated output unit 242 includes a second photo-isolator U6, a second input signal processing subunit 421 and a second output signal processing subunit 422;
the second photo-isolator U6 is electrically connected to the second input signal processing subunit 421 and the second output signal processing subunit 422, respectively, the second input signal processing subunit 421 is electrically connected to the second control module 12, and the second output signal processing subunit 422 is electrically connected to the digital signal output module 25.
Specifically, the principle of the second photoelectric isolation output unit 242 is the same as that of the first photoelectric isolation output unit 241, and will not be described herein.
It should be noted that, the model of the second electrically isolated output unit 242 in the present embodiment is not particularly limited.
Referring to fig. 7, fig. 7 is a schematic circuit diagram of a first data transmission module provided in the present application.
As a preferred embodiment, the first data transmission module 23 comprises an RS485 transceiver;
the RS485 transceiver is electrically connected to the first power module 21, the first control module 22 and the adapter control sub-circuit 1, respectively. It will be appreciated that the RS485 transceiver is used to implement the first digital signal transmission sub-circuit 2 for communication data transmission of the adapter and other digital signal boards.
As a preferred embodiment, the output port communication module 14 is provided as an ethernet connector in the present application, controlled by the slave station control module 13. In another preferred embodiment, the output portal communication module 14 is configured as a corresponding portal connector when the adapter communicates with the host computer via other communication protocols, which is not specifically limited herein.
The application also provides a card type bus IO module, which comprises a digital quantity signal remote control circuit.
For an introduction of a remote control circuit for digital signals provided in the present application, please refer to the above embodiment, and the description is omitted herein.
It should be noted that in this specification 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. 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 application. Thus, the present application 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.
Claims (10)
1. The digital quantity signal remote control circuit is characterized by comprising an adapter control sub-circuit and a first digital signal transmission sub-circuit;
the first digital signal transmission sub-circuit comprises a first power supply module, a first control module, a first data transmission module, a photoelectric isolation output module and a digital signal output module;
the first power module is electrically connected with the first control module, the first data transmission module, the photoelectric isolation output module and the digital signal output module respectively;
the adapter control sub-circuit is electrically connected with the upper computer, the first data transmission module is electrically connected with the adapter control sub-circuit, the first control module is electrically connected with the first data transmission module, the photoelectric isolation output module is electrically connected with the first control module, the digital signal output module is electrically connected with the photoelectric isolation output module, and the industrial equipment is electrically connected with the digital signal output module.
2. The digital quantity signal remote control circuit of claim 1, further comprising a second digital signal transmission sub-circuit;
the second digital signal transmission sub-circuit is electrically connected with the first digital signal transmission sub-circuit and the adapter control sub-circuit respectively.
3. The digital quantity signal remote control circuit of claim 2, further comprising a third digital signal transmission sub-circuit;
the third digital signal transmission sub-circuit is electrically connected with the first digital signal transmission sub-circuit, the second digital signal transmission sub-circuit and the adapter control sub-circuit respectively.
4. The remote control circuit of claim 1, wherein the adapter control sub-circuit comprises a second power module, a second control module, a slave control module, an output port communication module, and a second data transmission module;
the second power module is respectively and electrically connected with the second control module, the secondary station control module and the output network port communication module;
the second control module is electrically connected with the secondary station control module, the secondary station control module is electrically connected with the output network port communication module, and the output network port communication module is electrically connected with the upper computer;
the second data transmission module is electrically connected with the first data transmission module.
5. The remote control circuit of claim 4, wherein the optoelectronically isolated output module comprises a first optoelectronically isolated output unit;
the first photoelectric isolation output unit is electrically connected with the first power supply module, the first control module and the digital signal output module respectively.
6. The remote control circuit of claim 5, wherein the optoelectronically isolated output module further comprises a second optoelectronically isolated output unit;
the second photoelectric isolation output unit is electrically connected with the first power supply module, the first control module and the digital signal output module respectively.
7. The remote control circuit of claim 5, wherein the first opto-isolator output unit comprises a first opto-isolator, a first input signal processing subunit and a first output signal processing subunit;
the first photoelectric isolator is electrically connected with the first input signal processing subunit and the first output signal processing subunit respectively, the first input signal processing subunit is electrically connected with the first control module, and the first output signal processing subunit is electrically connected with the digital signal output module.
8. The remote control circuit of claim 6, wherein the second opto-isolated output unit comprises a second opto-isolator, a second input signal processing subunit and a second output signal processing subunit;
the second photoelectric isolator is electrically connected with the second input signal processing subunit and the second output signal processing subunit respectively, the second input signal processing subunit is electrically connected with the second control module, and the second output signal processing subunit is electrically connected with the digital signal output module.
9. The digital quantity signal remote control circuit of claim 1, wherein the first data transmission module comprises an RS485 transceiver;
the RS485 transceiver is electrically connected with the first power supply module, the first control module and the adapter control sub-circuit respectively.
10. A card type bus IO module comprising a digital quantity signal remote control circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322391064.6U CN220603888U (en) | 2023-09-01 | 2023-09-01 | Digital quantity signal remote control circuit and card type bus IO module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322391064.6U CN220603888U (en) | 2023-09-01 | 2023-09-01 | Digital quantity signal remote control circuit and card type bus IO module |
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| CN220603888U true CN220603888U (en) | 2024-03-15 |
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| CN202322391064.6U Active CN220603888U (en) | 2023-09-01 | 2023-09-01 | Digital quantity signal remote control circuit and card type bus IO module |
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| CN (1) | CN220603888U (en) |
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