Multi-protocol integrated conversion control circuit and bus module
By integrating control circuits of multiple bus protocols on the bus module, the problem of each device in the prior art supporting only one protocol is solved, and multi-protocol support is realized, reducing costs and improving selection portability.
Patent Information
- Application Number
- CN202420951847.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Existing bus modules only support one bus protocol per device, which leads to users who need to purchase multiple devices to adapt to multiple protocols, which increases costs, and the large number of models lead to difficulty in selecting.
A multi-protocol integrated conversion control circuit is designed to integrate various bus protocols such as EtherCAT, CC-LINK, Profinet, ModbusTCP, CANopen and DeviceNet into one module, and receive the user's protocol type selection signal through the protocol conversion sub-circuit to start the corresponding bus protocol.
It realizes that a module supports multiple bus protocols, reduces user selection costs, reduces production costs, and improves selection portability, avoiding the difficulty of user selection.
Smart Images
Figure CN222802894U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bus control, in particular to a multi-protocol integrated conversion control circuit and a bus module. Background Art
[0002] The bus module, also known as the bus device, can control the bus and is the bottom-level data communication network in the field of automation. The bus module is used in the production site to connect the two-way transmission and branch structure communication network of the intelligent field equipment and the automation control system, and can exchange data with other communicative devices.
[0003] The bus module is provided with at least one communication network port, which is connected to the host control system for data transmission. In the prior art, the network protocols covered by the bus module generally include EtherCAT bus protocol, CC-LINK bus protocol, Profinet bus protocol, ModbusTCP bus protocol, CANopen bus protocol, DeviceNet bus protocol, etc. In the existing bus module, each device is only provided with one bus protocol, so when users purchase bus module devices, they need to purchase multiple bus devices to meet the use requirements of adapting to multiple bus protocols, which increases costs.
[0004] In addition, since the bus modules of each bus protocol are often named according to the bus protocol category, the number of input terminals and output terminals, the named models are too many, which makes it difficult for users to select models. Therefore, it is an urgent problem for technicians in this field to invent a multi-protocol integrated conversion control circuit that can integrate multiple bus protocols on a bus module. Summary of the invention
[0005] The purpose of the present application is to provide a multi-protocol integrated conversion control circuit and bus module. In this solution, bus protocols such as EtherCAT bus protocol, CC-LINK bus protocol, Profinet bus protocol, ModbusTCP bus protocol, CANopen bus protocol, DeviceNet bus protocol, etc. are integrated on one module. The control subcircuit receives the user's protocol type selection signal through the protocol conversion subcircuit, and starts the corresponding bus protocol according to the protocol type selection signal, so that the present application can match a variety of communication networks to avoid user selection confusion; in addition, since a variety of bus protocols are integrated on one module, users no longer need to purchase multiple bus devices, reducing production costs.
[0006] In order to solve the above technical problems, the present application provides a multi-protocol integrated conversion control circuit, including a control subcircuit, a power subcircuit, a network transceiver subcircuit, a protocol conversion subcircuit, an input signal processing subcircuit and an output signal processing subcircuit;
[0007] The power supply subcircuit is electrically connected to the control subcircuit, the network transceiver subcircuit, the input signal processing subcircuit and the output signal processing subcircuit respectively;
[0008] The protocol conversion subcircuit is electrically connected to the control subcircuit, the network transceiver subcircuit is electrically connected to the control subcircuit, the input signal processing subcircuit is electrically connected to the control subcircuit, and the output signal processing subcircuit is electrically connected to the control subcircuit.
[0009] Preferably, the multi-protocol integrated conversion control circuit further includes a display subcircuit;
[0010] The display subcircuit is electrically connected to the power subcircuit, the control subcircuit, the input signal processing subcircuit and the output signal processing subcircuit respectively.
[0011] Preferably, the protocol conversion subcircuit includes a coding switch;
[0012] The coding switch is electrically connected to the control subcircuit.
[0013] Preferably, the network transceiver subcircuit includes a network port connection unit, a network port pulse transformer unit and a network transceiver control unit;
[0014] The network port connection unit is electrically connected to the network port pulse transformer unit, the network port pulse transformer unit is electrically connected to the network transceiver control unit, and the network transceiver control unit is electrically connected to the control subcircuit.
[0015] Preferably, the network transceiver subcircuit further comprises a crimp connector unit;
[0016] The compression connector unit is electrically connected to the power subcircuit and the control subcircuit respectively.
[0017] Preferably, the network transceiver subcircuit further includes a switching power supply unit and a buck conversion unit;
[0018] The switching power supply unit is electrically connected to the power supply sub-circuit, the buck conversion unit is electrically connected to the switching power supply unit, and the crimping connector unit is electrically connected to the buck conversion unit.
[0019] Preferably, the output signal processing subcircuit comprises an output signal isolation unit and an amplification driving unit;
[0020] The output signal isolation unit is electrically connected to the control subcircuit, the amplification driving unit is electrically connected to the output signal isolation unit, and the output signal wiring terminal group is electrically connected to the amplification driving unit.
[0021] Preferably, the power subcircuit includes an anti-reverse connection unit;
[0022] The reverse connection prevention unit is electrically connected to the positive pole of the output power terminal in the power subcircuit and the negative pole of the output power terminal in the power subcircuit respectively.
[0023] Preferably, the input signal processing subcircuit comprises an input signal isolation unit;
[0024] The input signal isolation unit is electrically connected to the control subcircuit and the input signal terminal group respectively.
[0025] In order to solve the above technical problems, the present application provides a bus module, including the above multi-protocol integrated conversion control circuit.
[0026] A multi-protocol integrated conversion control circuit and a bus module of the utility model have the following beneficial effects. The multi-protocol integrated conversion control circuit disclosed in the utility model comprises a control subcircuit, a power subcircuit, a network transceiver subcircuit, a protocol conversion subcircuit, an input signal processing subcircuit and an output signal processing subcircuit; the power subcircuit is electrically connected to the control subcircuit, the network transceiver subcircuit, the protocol conversion subcircuit, the input signal processing subcircuit and the output signal processing subcircuit respectively; the protocol conversion subcircuit is electrically connected to the control subcircuit, the network transceiver subcircuit is electrically connected to the control subcircuit, the input signal processing subcircuit is electrically connected to the control subcircuit, and the output signal processing subcircuit is electrically connected to the control subcircuit.
[0027] In this application, the user first connects the network connection line to the network port of the host control system and the bus module according to the network type of the communication site. The protocol conversion subcircuit is used to receive the user's protocol type selection signal, the control subcircuit is used to receive the protocol type selection signal and match the corresponding bus network according to the protocol type selection signal, and the network transceiver subcircuit is used to realize the network data transmission between the bus module and the host control system according to the network startup instruction output by the control subcircuit. Therefore, this application can integrate multiple bus protocols on a bus module, realize multi-protocol conversion, reduce the user's selection cost, and improve the selection portability. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0029] Figure 1 The utility model is a schematic diagram of a multi-protocol integrated conversion control circuit according to a preferred embodiment of the utility model.
[0030] Figure 2 It is a principle block diagram of another multi-protocol integrated conversion control circuit of a preferred embodiment of the utility model.
[0031] Figure 3 It is a principle block diagram of another multi-protocol integrated conversion control circuit of a preferred embodiment of the utility model.
[0032] Figure 4 The utility model is a circuit schematic diagram of a network port connection unit in a preferred embodiment.
[0033] Figure 5 The utility model is a circuit diagram of a network port pulse transformer unit in a preferred embodiment.
[0034] Figure 6 The utility model is a circuit schematic diagram of a protocol conversion subcircuit of a preferred embodiment.
[0035] Figure 7 The utility model is a circuit diagram of an output signal isolation unit in a preferred embodiment.
[0036] Figure 8 This is a circuit schematic diagram of an amplifying driving unit of a preferred embodiment of the utility model.
[0037] Fig. 9 The utility model is a circuit diagram of an input signal isolation unit in a preferred embodiment. DETAILED DESCRIPTION
[0038] Specific implementation method The core of this application is to provide a multi-protocol integrated conversion control circuit and bus module. In this solution, bus protocols such as EtherCAT bus protocol, CC-LINK bus protocol, Profinet bus protocol, ModbusTCP bus protocol, CANopen bus protocol, DeviceNet bus protocol, etc. are integrated into one module. The control subcircuit receives the user's protocol type selection signal through the protocol conversion subcircuit, and starts the corresponding bus protocol according to the protocol type selection signal, so that this application can match a variety of communication networks to avoid user selection confusion; in addition, since multiple bus protocols are integrated on one module, users no longer need to purchase multiple bus devices, reducing production costs.
[0039] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0040] See also Figure 1 , Figure 1 A schematic block diagram of a multi-protocol integrated conversion control circuit provided in the present application, comprising a control subcircuit 1, a power subcircuit 2, a network transceiver subcircuit 3, a protocol conversion subcircuit 4, an input signal processing subcircuit 5 and an output signal processing subcircuit 6;
[0041] The power subcircuit 2 is electrically connected to the control subcircuit 1, the network transceiver subcircuit 3, the input signal processing subcircuit 5 and the output signal processing subcircuit 6 respectively;
[0042] The protocol conversion subcircuit 4 is electrically connected to the control subcircuit 1 , the network transceiver subcircuit 3 is electrically connected to the control subcircuit 1 , the input signal processing subcircuit 5 is electrically connected to the control subcircuit 1 , and the output signal processing subcircuit 6 is electrically connected to the control subcircuit 1 .
[0043] In the prior art, each device in the bus module is only provided with one bus protocol, so when users purchase bus module devices, they need to purchase multiple bus devices to meet the use requirements of adapting to multiple bus protocols, which increases costs. In addition, since the bus modules of each bus protocol are often named according to the bus protocol type, the number of input terminals, and the number of output terminals, there are too many named models, which can easily cause difficulties for users to select models. There are too many models, and the selection is also easy to be confused.
[0044] In response to the above shortcomings, in this application, multi-protocol integration and conversion on a bus module are realized through the cooperation of the control subcircuit 1, the power subcircuit 2, the network transceiver subcircuit 3, the protocol conversion subcircuit 4, the input signal processing subcircuit 5 and the output signal processing subcircuit 6.
[0045] Specifically, in this embodiment, the user first connects the network connection line to the network port of the host control system and the bus module according to the network type of the communication site; the protocol conversion subcircuit is used to receive the user's protocol type selection signal; the control subcircuit is used to receive the protocol type selection signal and match the corresponding bus network according to the protocol type selection signal; the network transceiver subcircuit is used to realize the network data transmission between the bus module and the host control system according to the network startup instruction output by the control subcircuit.
[0046] Specifically, in this embodiment, the power supply subcircuit 2 is used to provide an adaptive working voltage to each functional module; the input signal processing subcircuit 5 is used to connect to a signal acquisition device and perform signal processing on the input signal of the signal acquisition device; the output signal processing subcircuit 6 is used to connect to an output load and perform signal processing on a remote control signal received by the control subcircuit 6 from a host control system.
[0047] Specifically, the control sub-circuit 1 can be implemented by a main controller, such as MCU (Microcontroller Unit), DSP (Digital Signal Process), FPGA (Field Programmable Gate Array), SOC (System On Chip), ARM (Acorn RISC Machine), etc., preferably MCU (Microcontroller Unit). The model of the single-chip microcomputer used in the control sub-circuit 1 is not specifically limited here.
[0048] Specifically, in this embodiment, the bus protocol includes at least two of the EtherCAT bus protocol, CC-LINK bus protocol, Profinet bus protocol, ModbusTCP bus protocol, CANopen bus protocol, and DeviceNet bus protocol. The bus protocol can also be set to any bus protocol in the prior art. The type and number of bus protocols can be set as needed and are not specifically limited here.
[0049] In summary, the present application provides a multi-protocol integrated conversion control circuit, which includes a control subcircuit 1, a power subcircuit 2, a network transceiver subcircuit 3, a protocol conversion subcircuit 4, an input signal processing subcircuit 5 and an output signal processing subcircuit 6 in this solution; the power subcircuit 2 is electrically connected to the control subcircuit 1, the network transceiver subcircuit 3, the protocol conversion subcircuit 4, the input signal processing subcircuit 5 and the output signal processing subcircuit 6 respectively; the protocol conversion subcircuit 4 is electrically connected to the control subcircuit 1, the network transceiver subcircuit 3 is electrically connected to the control subcircuit 1, the input signal processing subcircuit 5 is electrically connected to the control subcircuit 1, and the output signal processing subcircuit 6 is electrically connected to the control subcircuit 1. The present application integrates multiple bus protocols into one module, and the control subcircuit receives the user's protocol type selection signal through the protocol conversion subcircuit, and starts the corresponding bus protocol according to the protocol type selection signal, so that the present application can match multiple communication networks to avoid user selection confusion; in addition, since multiple bus protocols are integrated into one module, users no longer need to purchase multiple bus devices, reducing production costs.
[0050] Based on the above embodiments:
[0051] Please refer to Figure 2 , Figure 2 A schematic block diagram of another multi-protocol integrated conversion control circuit provided in this application.
[0052] As a preferred embodiment, a multi-protocol integrated conversion control circuit further includes a display subcircuit 7;
[0053] The display sub-circuit 7 is electrically connected to the power sub-circuit 2 , the control sub-circuit 1 , the input signal processing sub-circuit 5 and the output signal processing sub-circuit 6 respectively.
[0054] Specifically, the display subcircuit 7 is used to indicate the power supply status, the communication status of the signal input channel, the communication status of the signal output channel, and the like.
[0055] Specifically, in this embodiment, the display subcircuit 7 is implemented by an indicator light, such as a green indicator light when the bus module is turned on, a red indicator light when the bus module power supply fails, a green indicator light when the communication status of the signal input channel is normal, and a corresponding indicator light turns red when a certain input signal of the signal input channel is abnormal, which will not be described in detail here. In addition, the display subcircuit 7 in the present application can also be implemented by existing display technologies such as digital tubes, LED display screens, LCD display screens, etc., which are not specifically limited here.
[0056] Please refer to Figure 3 , Figure 3 A schematic block diagram of another multi-protocol integrated conversion control circuit provided in this application.
[0057] Please refer to Figure 4 , Figure 4 A circuit schematic diagram of a network port connection unit provided in this application.
[0058] Please refer to Figure 5 , Figure 5 A circuit schematic diagram of a network port pulse transformer unit provided in this application.
[0059] As a preferred embodiment, the network transceiver subcircuit 3 includes a network port connection unit 31, a network port pulse transformer unit 32 and a network transceiver control unit 33;
[0060] The network port connection unit 31 is electrically connected to the network port pulse transformer unit 32 , the network port pulse transformer unit 32 is electrically connected to the network transceiver control unit 33 , and the network transceiver control unit 33 is electrically connected to the control subcircuit 1 .
[0061] Specifically, the network port connection unit 31 is used to connect to the plug interface of the network connection line; the network port pulse transformer unit 32 is used to realize the isolation of the input and output signals of the network transceiver control unit 33, and perform signal coupling, high-voltage isolation, impedance matching, electromagnetic interference suppression, etc.; the network transceiver control unit 33 is used to realize network data transmission between the control subcircuit 1 and the host control system.
[0062] As a preferred embodiment, the network transceiver subcircuit 3 further includes a crimp connector unit 34;
[0063] The compression connector unit 34 is electrically connected to the power sub-circuit 2 and the control sub-circuit 1 respectively.
[0064] Specifically, in the present embodiment, the crimp connector unit 34 is used for a press-type connection when the plug interface of the network connection line is plugged into the network port of the bus module. It is not easy to fall off and is convenient to use.
[0065] As a preferred embodiment, the network transceiver sub-circuit 3 further includes a switching power supply unit 31 and a buck conversion unit 32;
[0066] The switching power supply unit 31 is electrically connected to the power supply sub-circuit 2 , the step-down conversion unit 32 is electrically connected to the switching power supply unit 31 , and the compression connector unit 34 is electrically connected to the step-down conversion unit 32 .
[0067] Specifically, in this embodiment, the switching power supply unit 31 is used to convert the 24V wide voltage input in the power subcircuit 2 into a 5V voltage output, and the buck conversion unit 32 is used to convert the 5V voltage into a 3.3V voltage and then supply it to the network transceiver control unit 33.
[0068] Please refer to Figure 6 , Figure 6 A circuit schematic diagram of a protocol conversion subcircuit provided in this application.
[0069] As a preferred embodiment, the protocol conversion subcircuit 4 includes a coding switch;
[0070] The coding switch is electrically connected to the control subcircuit 1 .
[0071] Specifically, in this embodiment, a knob is provided on the bus module, and the user selects the appropriate bus protocol by twisting the knob. The knob is connected to the coding switch, and the coding switch generates a corresponding binary code and transmits it to the control subcircuit 1. The control subcircuit 1 recognizes the binary code and triggers the corresponding bus protocol.
[0072] It is worth noting that the protocol conversion subcircuit 4 can also be implemented by traditional buttons, touch screen buttons, wireless signal control, etc. This embodiment only lists one of the implementation methods, and the implementation method of the protocol conversion subcircuit 4 is not specifically limited here.
[0073] Please refer to Figure 7 , Figure 7 A circuit schematic diagram of an output signal isolation unit provided in this application.
[0074] Please refer to Figure 8 , Figure 8 A circuit schematic diagram of an amplifying driving unit provided in this application.
[0075] As a preferred embodiment, the output signal processing subcircuit 6 includes an output signal isolation unit 61 and an amplification driving unit 62;
[0076] The output signal isolation unit 61 is electrically connected to the control sub-circuit 1 , the amplification driving unit 62 is electrically connected to the output signal isolation unit 61 , and the output signal wiring terminal group is electrically connected to the amplification driving unit 62 .
[0077] Specifically, in this embodiment, the output signal isolation unit 61 is used to achieve photoelectric isolation between the control subcircuit and the output signal terminal group, and the amplification drive unit 62 is used to achieve inductive load driving to ensure reliable control of the output load connected to the output signal terminal group.
[0078] As a preferred embodiment, the power subcircuit 2 includes an anti-reverse connection unit;
[0079] The reverse connection prevention unit is electrically connected to the positive pole of the output power terminal in the power sub-circuit 2 and the negative pole of the output power terminal in the power sub-circuit 2 respectively.
[0080] Specifically, in this embodiment, the anti-reverse connection unit is used to prevent the reverse connection phenomenon of the power line when it is connected, so as to ensure the safe operation of the bus module.
[0081] Please refer to Fig. 9 , Fig. 9 A circuit schematic diagram of an input signal isolation unit provided in the present application.
[0082] As a preferred embodiment, the input signal processing subcircuit 5 includes an input signal isolation unit 51;
[0083] The input signal isolation unit is electrically connected to the control subcircuit 1 and the input signal wiring terminal group respectively.
[0084] Specifically, in this embodiment, the input signal isolation unit 51 is used to achieve photoelectric isolation between the control sub-circuit 1 and the output signal wiring terminal group.
[0085] The present application also provides a bus module, comprising a multi-protocol integrated conversion control circuit.
[0086] For an introduction to a multi-protocol integrated conversion control circuit provided in the present application, please refer to the above-mentioned embodiment, and the present application will not go into details here.
[0087] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.
[0088] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A multi-protocol integrated conversion control circuit, characterized in that: It includes a control subcircuit, a power subcircuit, a network transceiver subcircuit, a protocol conversion subcircuit, an input signal processing subcircuit and an output signal processing subcircuit; The power supply subcircuit is electrically connected to the control subcircuit, the network transceiver subcircuit, the input signal processing subcircuit and the output signal processing subcircuit respectively; The protocol conversion subcircuit is electrically connected to the control subcircuit, the network transceiver subcircuit is electrically connected to the control subcircuit, the input signal processing subcircuit is electrically connected to the control subcircuit, and the output signal processing subcircuit is electrically connected to the control subcircuit.
2. A multi-protocol integrated conversion control circuit according to claim 1, characterized in that: The multi-protocol integrated conversion control circuit also includes a display subcircuit; The display subcircuit is electrically connected to the power subcircuit, the control subcircuit, the input signal processing subcircuit and the output signal processing subcircuit respectively.
3. The multi-protocol integrated conversion control circuit according to claim 1, characterized in that: The protocol conversion subcircuit includes a coding switch; The coding switch is electrically connected to the control subcircuit.
4. The multi-protocol integrated conversion control circuit according to claim 1, characterized in that: The network transceiver subcircuit includes a network port connection unit, a network port pulse transformer unit and a network transceiver control unit; The network port connection unit is electrically connected to the network port pulse transformer unit, the network port pulse transformer unit is electrically connected to the network transceiver control unit, and the network transceiver control unit is electrically connected to the control subcircuit.
5. The multi-protocol integrated conversion control circuit according to claim 4, characterized in that: The network transceiver subcircuit also includes a crimp connector unit; The compression connector unit is electrically connected to the power subcircuit and the control subcircuit respectively.
6. The multi-protocol integrated conversion control circuit according to claim 5, characterized in that: The network transceiver subcircuit also includes a switching power supply unit and a buck conversion unit; The switching power supply unit is electrically connected to the power supply sub-circuit, the buck conversion unit is electrically connected to the switching power supply unit, and the crimping connector unit is electrically connected to the buck conversion unit.
7. The multi-protocol integrated conversion control circuit according to claim 1, characterized in that: The output signal processing subcircuit includes an output signal isolation unit and an amplification driving unit; The output signal isolation unit is electrically connected to the control subcircuit, the amplification driving unit is electrically connected to the output signal isolation unit, and the output signal wiring terminal group is electrically connected to the amplification driving unit.
8. The multi-protocol integrated conversion control circuit according to claim 1, characterized in that: The power subcircuit includes an anti-reverse connection unit; The reverse connection prevention unit is electrically connected to the positive pole of the output power terminal in the power subcircuit and the negative pole of the output power terminal in the power subcircuit respectively.
9. The multi-protocol integrated conversion control circuit according to claim 1, characterized in that: The input signal processing subcircuit comprises an input signal isolation unit; The input signal isolation unit is electrically connected to the control subcircuit and the input signal terminal group respectively.
10. A bus module, characterized in that: A multi-protocol integrated conversion control circuit comprising any one of claims 1 to 9.