Repeater for execution terminal and transmission line control system

Abstract

The utility model belongs to the field of repeaters, and provides a repeater and a transmission line control system. The repeater comprises a housing and a circuit unit. The circuit unit comprises a control chip, a power supply module, a communication module and a terminal interface; the control chip is respectively connected with the power supply module, the communication module and the debugging module; the power supply module is used for being connected with a power bus and supplying power to the control chip and the communication module; the communication module comprises a communication input module and a communication output module, and the communication input module is used for being connected with a communication bus; the terminal interface is used for being connected with an execution terminal, and the power supply module and the communication output module are both connected with the terminal interface. The output interface of the repeater for the execution terminal can be directly connected with a driving mechanism for power supply and communication, and a power bus and a communication bus can be directly arranged in a cable bridge without reciprocating wiring.

Description

Technical Field

[0001] The utility model belongs to the field of repeaters, and particularly relates to a repeater for an execution terminal and a conveyor line control system. Background Technique

[0002] The statements in this part only provide background technical information related to the utility model, and do not necessarily constitute prior art.

[0003] The prior art discloses a driving control system for a conveying mechanism. Although it adopts a daisy-chain connection method, in the actual wiring process, the communication bus needs to be connected from the wiring bridge to the servo motor, and then led out from the servo motor and connected back to the cable bridge for wiring, and then connected to the next servo motor, repeating the above process. During the installation process, the wiring is rather troublesome, time-consuming and laborious. Summary of the Utility Model

[0004] In order to solve the technical problems existing in the above background technique, the utility model provides a repeater for an execution terminal and a conveyor line control system. The repeater for the execution terminal is used to connect the power bus and the communication bus. The output interface of the repeater for the execution terminal can be directly connected to the driving mechanism for power supply and communication, and the power bus and the communication bus can be directly arranged in the cable bridge without reciprocating wiring.

[0005] In order to achieve the above object, the utility model adopts the following technical solutions:

[0006] The first aspect of the utility model provides a repeater for an execution terminal.

[0007] A repeater for an execution terminal includes a housing and a circuit unit;

[0008] The circuit unit includes a control chip, a power supply module, a communication module and a terminal interface;

[0009] The control chip is respectively connected to the power supply module, the communication module and the debugging module;

[0010] The power supply module is used to be connected to the power bus to supply power to the control chip and the communication module;

[0011] The communication module includes a communication input module and a communication output module. The communication input module is used to be connected to the communication bus;

[0012] The terminal interface is used to connect to the execution terminal, and both the power supply module and the communication output module are connected to the terminal interface.

[0013] As an implementation manner, the power supply module includes a first step-down module and a second step-down module connected in series, and at least one light-emitting diode is arranged on the power supply module to indicate the power-on and power-off states.

[0014] As an implementation manner, the communication input module includes a first communication chip, and / or the communication output module includes a second communication chip;

[0015] The first communication chip is connected to the communication main line through a first input circuit, and the first communication chip is connected to the control chip through a first output circuit; the communication output module includes a second communication chip, the second communication chip is connected to the control chip through a second input circuit, and the second communication chip is connected to the communication branch line through a second output circuit.

[0016] As an implementation manner, the repeater for the execution terminal further includes a communication status indication module, and the communication status indication module includes a communication input status indication module and a communication output status indication module.

[0017] As an implementation manner, the communication input status indication module includes a first multi-color indicator light and a corresponding resistor connected in series therewith, and the communication input status indication module indicates the on-off of the communication input module through the color change of the first multi-color indicator light;

[0018] The communication output status indication module includes a second multi-color indicator light and a corresponding resistor connected in series therewith, and the communication output status indication module indicates the on-off of the communication output module through the color change of the second multi-color indicator light.

[0019] As an implementation manner, the housing includes a first sub-housing and a second sub-housing, the first sub-housing and the second sub-housing form an opening and closing structure, a first wire hole and a second wire hole are arranged between the first sub-housing and the second sub-housing, the first wire hole is used for connecting the power bus, and the second wire hole is used for connecting the communication bus.

[0020] As an implementation manner, the circuit unit is respectively connected to the power bus and the communication bus through a puncture structure.

[0021] As an implementation manner, the control chip is further connected to a crystal oscillator circuit, a reset circuit and a debugging circuit;

[0022] The crystal oscillator circuit is used for connecting the clock interface of the control chip;

[0023] The reset circuit is used for connecting the reset interface of the control chip;

[0024] The debugging circuit is used for externally connecting the debugging interface of the control chip.

[0025] The second aspect of the present utility model provides a conveyor line control system.

[0026] A conveyor line control system includes: a plurality of repeater for execution terminals connected in series as described above; the terminal interface is connected to a driving mechanism; the power bus is connected to a DC power supply; the communication bus is connected to a switch through a gateway.

[0027] As an implementation, both the power bus and the communication bus are arranged on a cable tray; the repeater for execution terminals is fixedly installed on the cable tray, and the driving mechanism is connected to the terminal interface of the repeater for execution terminals through a wiring terminal passing through the cable tray.

[0028] The beneficial effects of the present utility model are as follows:

[0029] (1) The present utility model uses the first wire hole and the second wire hole of the repeater for execution terminals to connect the power bus and the communication bus respectively. After connecting the communication output module and the debugging module to the output cable, the driving mechanism can be directly connected through the output cable for power supply and communication. Moreover, multiple repeaters share the power bus and the communication bus, eliminating the need for repeated wiring, facilitating the installation of the repeaters, and enabling convenient wiring.

[0030] The conveyor line control system provided by the present utility model uses the series-connected repeaters for execution terminals to share the power bus and the communication bus, and arranges both the power bus and the communication bus on the cable tray, eliminating the need for repeated wiring and improving the installation efficiency of the repeaters for execution terminals.

[0031] (2) The advantages of the additional aspects of the present utility model will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The specification drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0033] Figure 1 is an external view of the repeater for execution terminals in an embodiment of the present utility model;

[0034] Figure 2 is a schematic diagram of the circuit unit of the repeater for execution terminals in an embodiment of the present utility model;

[0035] Figure 3 is a schematic diagram of the control chip of the repeater for execution terminals in an embodiment of the present utility model;

[0036] Figure 4It is the schematic diagram of the first step-down module in the embodiment of the present utility model;

[0037] Figure 5 It is the schematic diagram of the second step-down module in the embodiment of the present utility model;

[0038] Figure 6 It is the schematic diagram of the CAN communication input module in the embodiment of the present utility model;

[0039] Figure 7 It is the schematic diagram of the CAN communication output module in the embodiment of the present utility model;

[0040] Figure 8 It is the schematic diagram of the communication input status indication module in the embodiment of the present utility model;

[0041] Figure 9 It is the schematic diagram of the communication output status indication module in the embodiment of the present utility model;

[0042] Figure 10 It is the schematic diagram of the external driving mechanism of the repeater for the execution terminal in the embodiment of the present utility model;

[0043] Figure 11 It is the schematic diagram of the structure of the conveyor line control system in the embodiment of the present utility model;

[0044] Figure 12 It is the schematic diagram of the cable tray structure in the conveyor line control system in the embodiment of the present utility model.

[0045] Wherein:

[0046] 1. First sub-shell; 2. Second sub-shell; 3. First wire hole; 4. Second wire hole; 5. Repeater for execution terminal; 6. Cable tray. Specific implementation manners

[0047] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0048] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further descriptions of the present utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs.

[0049] It should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary embodiments according to the present utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0050] In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only relational terms determined for the convenience of describing the structural relationship of each component or element of the present utility model, and do not specifically refer to any component or element in the present utility model, and should not be construed as a limitation to the present utility model.

[0051] In the present utility model, terms such as "fixed connection", "connected", "connected to" should be understood in a broad sense, which may mean a fixed connection, an integral connection or a detachable connection; it may be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meaning of the above terms in the present utility model can be determined according to specific circumstances, and should not be construed as a limitation to the present utility model.

[0052] An embodiment of the present utility model provides a repeater for an execution terminal, which includes a housing and a circuit unit; according to Figure 1 , the housing includes a first sub-housing 1 and a second sub-housing 2. The first sub-housing 1 and the second sub-housing 2 form an opening and closing structure. A first wire hole 3 and a second wire hole 4 are provided between the first sub-housing 1 and the second sub-housing 2. The first wire hole 3 is used to connect the power bus, and the second wire hole 4 is used to connect the communication bus.

[0053] According to Figure 2 , the circuit unit includes a control chip, a power supply module, a communication module and a terminal interface; the control chip is respectively connected to the power supply module, the communication module and the debugging module; the power supply module is used to be connected to the power bus to supply power to the control chip and the communication module; the communication module includes a communication input module and a communication output module, and the communication input module is used to be connected to the communication bus; the terminal interface is used to connect the execution terminal, and both the power supply module and the communication output module are connected to the terminal interface.

[0054] Among them, the debugging module is the corresponding output interface circuit of the control chip.

[0055] As Figure 3 shown, the control chip MCU of the embodiment of the present utility model adopts an AT32F413BU7 chip.

[0056] Figure 3 The other circuits in are all peripheral circuits of the control chip MCU. According to the chip manual, those skilled in the art can design their corresponding peripheral circuits.

[0057] It can be understood that in other embodiments, the control chip MCU can also be a chip of other models, which will not be elaborated here.

[0058] Among them, the control chip is also connected to a crystal oscillator circuit, a reset circuit, and a debugging circuit;

[0059] The crystal oscillator circuit is used to connect to the clock interface of the control chip;

[0060] The reset circuit is used to connect to the reset interface of the control chip;

[0061] The debugging circuit is used to externally connect to the debugging interface of the control chip.

[0062] It should be noted here that the circuit structures of the crystal oscillator circuit, the reset circuit, and the debugging circuit are all existing structures, which can be designed according to the control chip and will not be elaborated here.

[0063] In this embodiment, the power supply module includes a first step-down module and a second step-down module connected in series. At least one light-emitting diode is provided on the power supply module to indicate the power-on and power-off states.

[0064] As Figure 4 shown, the first step-down module includes a first voltage drop chip. The input end of the first voltage drop chip can be connected to a high-voltage DC power supply, such as a +48V DC power supply, and the output end passes through a filter circuit to obtain a stepped-down voltage signal, such as +5V.

[0065] As Figure 5 shown, the second step-down module includes a second voltage drop chip. The input end of the second voltage drop chip can be connected to a +5V DC power supply, and a +3.3V voltage signal is output.

[0066] In this embodiment, the communication input module includes a first communication chip, and the first communication chip is respectively connected to a first input circuit and a first output circuit. As Figure 6 shown, the communication input module adopts a CAN communication input circuit structure, which specifically includes: a communication chip U4 and its peripheral circuits. Among them, the model of the communication chip U4 is: CA-IS3062W. Those skilled in the art can also use other model chips, which will not be elaborated here.

[0067] In this embodiment, the communication output module includes a second communication chip, and the second communication chip is respectively connected to a second input circuit and a second output circuit. As Figure 7 shown, the communication output module adopts a CAN communication input circuit structure, which specifically includes: a communication chip U5 and its peripheral circuits. Among them, the model of the communication chip U5 is: CA-IS3062W. Those skilled in the art can also use other model chips, which will not be elaborated here.

[0068] In one or more embodiments, the repeater for the execution terminal further includes a communication status indication module, and the communication status indication module includes a communication input status indication module and a communication output status indication module.

[0069] As Figure 8 shown, the communication input status indication module includes a first two-color indicator lamp D3 and resistors (including resistor R9 and resistor R16) connected in series therewith. The communication input status indication module indicates the on / off of the communication input module through the color change of the first multi-color indicator lamp;

[0070] As Figure 9 shown, the communication output status indication module includes a second two-color indicator lamp D4 and resistors (including resistor R5 and resistor R19) connected in series therewith. The communication output status indication module indicates the on / off of the communication output module through the color change of the second multi-color indicator lamp.

[0071] In one or more embodiments, the circuit unit is respectively connected to the power bus and the communication bus through a piercing structure.

[0072] It should be noted here that the piercing structure can be implemented by an existing structure, and details are not described herein.

[0073] In one or more embodiments, as Figure 10 and Figure 11 shown, a conveyor line control system is provided, including: a plurality of repeaters for the execution terminal connected in series as described above; the output cable is connected to a driving mechanism (such as a servo motor, a hydraulic cylinder, etc.); the power bus is connected to a DC power supply; the communication bus is connected to a switch through a gateway.

[0074] Among them, the DC power supply can be connected to the on-site control cabinet, and the switch can be connected to the on-site PLC.

[0075] As Figure 12 shown, both the power bus and the communication bus are arranged on the cable tray 6; the repeater for the execution terminal 5 is fixedly installed on the cable tray 6, and the driving mechanism is connected to the terminal interface of the repeater for the execution terminal through a wiring terminal passing through the cable tray.

[0076] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A repeater for an execution terminal, characterized in that: It includes a housing and a circuit unit; The circuit unit includes a control chip, a power supply module, a communication module and a terminal interface; The control chip is connected to the power supply module, the communication module and the debugging module respectively; The power supply module is used to connect to the power bus to supply power to the control chip and the communication module; The communication module includes a communication input module and a communication output module, and the communication input module is used to connect to the communication bus; The terminal interface is used to connect to the execution terminal, and the power supply module and the communication output module are both connected to the terminal interface.

2. The execution terminal repeater according to claim 1, characterized in that: The power supply module comprises a first step-down module and a second step-down module connected in series. The power supply module is provided with at least one light emitting diode for indicating the on / off state of the power supply.

3. The execution terminal repeater according to claim 1, characterized in that: The communication module is a CAN communication module, the communication input module includes a first communication chip, or / and the communication output module includes a second communication chip; The first communication chip is connected to the communication main line through the first input circuit, and the first communication chip is connected to the control chip through the first output circuit; the communication output module includes a second communication chip, the second communication chip is connected to the control chip through the second input circuit, and the second communication chip is connected to the communication branch line through the second output circuit.

4. The execution terminal repeater according to claim 1, characterized in that: The execution terminal repeater further comprises a communication status indication module, and the communication status indication module comprises a communication input status indication module and a communication output status indication module.

5. The execution terminal repeater according to claim 4, characterized in that: The communication input status indication module comprises a first multi-color indicator light and a corresponding resistor connected in series therewith, and the communication input status indication module indicates the on and off of the communication input module through the color change of the first multi-color indicator light; The communication output status indication module includes a second multi-color indicator light and a corresponding resistor connected in series therewith. The communication output status indication module indicates the on and off of the communication output module through the color change of the second multi-color indicator light.

6. The execution terminal repeater according to claim 1, wherein: The shell includes a first sub-shell and a second sub-shell, the first sub-shell and the second sub-shell form an open-close structure, a first wire hole and a second wire hole are provided between the first sub-shell and the second sub-shell, the first wire hole is used to connect the power bus, and the second wire hole is used to connect the communication bus.

7. The execution terminal repeater according to claim 6, characterized in that: The circuit unit is connected to the power bus and the communication bus respectively through the puncture structure.

8. The execution terminal repeater according to claim 1, characterized in that: The control chip is also connected to a crystal oscillator circuit, a reset circuit and a debugging circuit; The crystal oscillator circuit is used to connect to the clock interface of the control chip; The reset circuit is used to connect to the reset interface of the control chip; The debugging circuit is used for the debugging interface of the external control chip.

9. A conveyor line control system, characterized in that: include: A plurality of execution terminal repeaters as described in any one of claims 1-8 connected in series; the terminal interface is connected to a drive mechanism; the power bus is connected to a DC power supply; the communication bus is connected to a switch via a gateway.

10. The conveyor line control system according to claim 9, characterized in that: The power bus and the communication bus are both arranged on the cable tray; the execution terminal repeater is fixedly installed on the cable tray, and the driving mechanism is connected to the terminal interface of the execution terminal repeater through the cable tray via the wiring terminal.

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