Conveyor line double-motor driving device

Abstract

The utility model belongs to the field of motor driving, and provides a conveyor line dual-motor driving device, which comprises a main controller, a power supply circuit, a communication circuit, a first motor driving circuit and a second motor driving circuit, the power supply circuit is used for being connected with a power supply bus and supplying power to other circuits. The communication circuit is used for connecting a communication bus and providing communication connection; the main controller is respectively connected with the first motor driving circuit, the second motor driving circuit and the communication circuit; and the first motor driving circuit and the second motor driving circuit are correspondingly connected with the first motor and the second motor respectively.

Description

Technical Field

[0001] The utility model belongs to the field of motor driving, and in particular relates to a dual-motor driving device for a conveyor line. Background Art

[0002] The statements in this section merely provide background technical information related to the present invention and do not necessarily constitute prior art.

[0003] The lightweight material box conveying application solutions currently used in the logistics industry all use a single roller drive card as the drive to realize the conveyance of material box goods. A centralized I / O control solution is adopted, and the control points are integrated in the PLC control cabinet. Each roller control card needs to be individually connected to the PLC control cabinet, and all control points on the conveyor line are introduced to the control cabinet through control cables; and each roller control card also needs to be powered separately. The power supply of each roller control card also needs to be individually connected to the control cabinet, resulting in a large number of cables to be laid, complex on-site construction, and increased maintenance labor costs for the control cabinet.

[0004] There are now control cards that communicate and power supply through the bus, which facilitates on-site construction wiring. Multiple control cards are connected hand in hand through the bus. However, due to the large number of conveying sections of the conveyor line, the number of control cards that need to be arranged is also relatively large, which increases the difficulty of on-site construction. Utility Model Content

[0005] In order to solve the technical problems existing in the above-mentioned background technology, the utility model provides a dual-motor drive device for a conveyor line, which can reduce the number of control cards to be arranged and further reduce the difficulty of on-site construction.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] In one or more embodiments, a dual-motor drive device for a conveyor line is provided, comprising: a main controller, a power supply circuit, a communication circuit, a first motor drive circuit, and a second motor drive circuit;

[0008] The power supply circuit is used to connect to the power supply bus and provide power to other circuits;

[0009] The communication circuit is used to connect to the communication bus and provide a communication connection;

[0010] The main controller is connected to the first motor drive circuit, the second motor drive circuit and the communication circuit respectively; the first motor drive circuit and the second motor drive circuit are connected to the first motor and the second motor respectively.

[0011] As an embodiment, the main controller includes a first controller, and the communication circuit, the first motor drive circuit and the second motor drive circuit are all electrically connected to the first controller.

[0012] As an embodiment, the main controller includes a first controller and a second controller, the first controller is electrically connected to the second controller, the first motor drive circuit is electrically connected to the first controller, and the second motor drive circuit is electrically connected to the second controller.

[0013] As an embodiment, the conveyor line dual-motor drive device also includes at least two groups of photoelectric input circuits, each group of photoelectric input circuits is connected to a corresponding motor, all photoelectric input circuits are connected to the main controller, and the photoelectric input circuits are used to connect to the photoelectric detection unit.

[0014] As an embodiment, the power supply circuit includes a multi-stage step-down circuit, which provides corresponding voltages for different circuits, and the multi-stage step-down circuit is provided with a voltage status indicator light, which is used to respectively indicate the on and off status of the corresponding step-down circuit.

[0015] As an embodiment, the conveyor line dual-motor drive device also includes a communication status indication circuit, which is connected to the main controller. The communication status indication circuit includes a first communication status indicator light, a second communication status indicator light and several resistors. The first communication status indicator light and the second communication status indicator light are respectively used to indicate the on and off status.

[0016] As an embodiment, the conveyor line dual-motor drive device also includes a first motor status indication circuit and a second motor status indication circuit, the first motor status indication circuit and the second motor status indication circuit are both connected to the main controller, the first motor status indication circuit and the second motor status indication circuit both include a first motor status indicator light, a second motor status indicator light and a number of resistors, the first motor status indicator light and the second motor status indicator light are respectively used to indicate the clockwise and counterclockwise rotation of the motor.

[0017] As an embodiment, the first motor drive circuit and the second motor drive circuit both include a gate drive circuit, an inverter circuit and a Hall sampling current protection circuit; the gate drive circuit and the inverter circuit are connected in series, and the gate drive circuit is connected to the main controller; one end of the Hall sampling overcurrent protection circuit is connected to the total current sampling end on the inverter circuit, and the other end is connected to the main controller for collecting the total output current of the inverter circuit.

[0018] As an embodiment, the dual-motor drive device for the conveyor line further includes a dial module, which is connected to the main controller; the dial module is used to set the communication address, and the dial module includes at least one set of dial switches.

[0019] As an embodiment, the conveyor line dual-motor drive device further includes a peripheral circuit, which is connected to the main controller and includes a reset circuit and a crystal oscillator circuit.

[0020] As an embodiment, the dual-motor drive device for the conveyor line further includes a shell, and the shell includes a first shell and a second shell, and the first shell and the second shell are connected in an open-close structure.

[0021] As an embodiment, the conveyor line dual-motor drive device further includes a shell, the shell includes an outer cover and a heat dissipation base, and the heat dissipation base includes a plurality of heat dissipation fins.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] (1) The utility model sets two motor drive circuits connected to the main controller, each motor drive circuit is connected to one motor, so that the main controller can simultaneously control the drive and communication of the two motors, reducing the number of control cards arranged, the difficulty of on-site arrangement and the production cost.

[0024] (2) The utility model also uses a bus wiring structure to perform communication connections and power supply connections, which facilitates the laying of wiring at the project site.

[0025] (3) The utility model also provides a voltage status indicator light, a communication status indication circuit and a motor status indication circuit for indicating power supply, communication and motor steering status. On-site maintenance personnel can view its operating status more intuitively, which is convenient for problem detection and maintenance.

[0026] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0028] Figure 1 This is a structural diagram of a dual-motor drive device for a conveyor line according to a first embodiment of the present invention;

[0029] Figure 2 This is the 48V to 24V circuit of the first embodiment of the present utility model;

[0030] Figure 3 This is the 48V to 10V circuit of Example 1 of the present utility model;

[0031] Figure 4 This is the 10V-5V-3.3V circuit of the first embodiment of the present utility model;

[0032] Figure 5 This is the 10V power supply status indication circuit of the first embodiment of the present utility model;

[0033] Figure 6 This is the 24V and 3.3V power supply status indication circuit of the first embodiment of the present utility model;

[0034] Figure 7 This is the main controller circuit of the first embodiment of the present utility model;

[0035] Figure 8 This is the photoelectric input circuit of embodiment 1 of the present utility model;

[0036] Figure 9 This is the gate drive circuit of the first embodiment of the present utility model;

[0037] Figure 10 This is the inverter circuit of the first embodiment of the present utility model;

[0038] Figure 11 This is the Hall sampling overcurrent protection circuit of the first embodiment of the present utility model;

[0039] Figure 12 This is the CAN communication circuit of the first embodiment of the present utility model;

[0040] Figure 13 This is the dial module of the first embodiment of the present utility model;

[0041] Figure 14 This is the communication status indication circuit of the first embodiment of the present utility model;

[0042] Figure 15 This is the motor state indicating circuit of the first embodiment of the present utility model;

[0043] Figure 16 This is a schematic structural diagram of a dual-motor drive device for a conveyor line according to a second embodiment of the present invention;

[0044] Figure 17 This is the first main controller circuit of the second embodiment of the present utility model;

[0045] Figure 18 This is the second main controller circuit of the second embodiment of the present utility model. DETAILED DESCRIPTION

[0046] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0047] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. 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 "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Example 1

[0050] In this embodiment, the specific structure of the conveyor line dual-motor drive device of this embodiment is described in detail by taking the motor being a three-phase asynchronous motor as an example.

[0051] In one or more embodiments, Figure 1 As shown, a dual-motor drive device for a conveyor line is provided, comprising: a main controller, a power supply circuit, a communication circuit, a first motor drive circuit and a second motor drive circuit;

[0052] The power supply circuit is used to connect to the power supply bus and provide power to other circuits;

[0053] The communication circuit is used to connect to the communication bus and provide a communication connection;

[0054] The main controller is connected to the first motor drive circuit, the second motor drive circuit and the communication circuit respectively; the first motor drive circuit and the second motor drive circuit are connected to the first motor and the second motor respectively.

[0055] In this embodiment, the main controller includes a first controller, and the communication circuit, the first motor driving circuit and the second motor driving circuit are all electrically connected to the first controller.

[0056] In this embodiment, the power supply circuit includes a multi-stage step-down circuit, which provides corresponding voltages for different circuits, and the multi-stage step-down circuit is provided with a voltage status indicator light, which is used to respectively indicate the on and off status of the corresponding step-down circuit.

[0057] Specifically, the power supply circuit includes a 48V to 24V circuit, a 24V to 10V circuit and a 10V-5V-3.3V circuit, respectively. Figure 2 、 Figure 3 and Figure 4 shown.

[0058] exist Figure 2 and Figure 3 The voltage dropper chips used in this example are SCT2A10 and LM5164. Those skilled in the art may choose other voltage dropper chips based on actual conditions. The peripheral circuits for the SCT2A10 and LM5164 can be designed according to the chip manuals.

[0059] exist Figure 4 The 10V-5V-3.3V circuit contains two-stage voltage drop circuits. The chip of the first-stage voltage drop circuit adopts the RY8401 model, and the chip of the second-stage voltage drop circuit adopts the NCP117-3.3_SOT223 model.

[0060] The voltage status indicator light forms a voltage status indication circuit on the corresponding power supply branch, which includes a 10V status indication circuit, a 24V and a 3.3V status indication circuit, respectively. Figure 5 and Figure 6 As shown. Figure 5 In the 10V status indication circuit, a resistor and a light-emitting diode are connected in series. Figure 6 In the embodiment, the 24V and 3.3V status indication circuits are also composed of resistors and light-emitting diodes connected in series.

[0061] Figure 7 The main controller circuit of the first embodiment is provided, wherein the chip used by the first controller is AT32F413RCT6.

[0062] The dual-motor drive device for the conveyor line further includes at least two groups of photoelectric input circuits, each group of photoelectric input circuits corresponding to one motor, and all photoelectric input circuits are connected to the main controller, and the photoelectric input circuits are used to connect to the photoelectric detection unit. In this embodiment, Figure 8 As shown, the optocoupler chip in the photoelectric input circuit is implemented using a chip model TLP185.

[0063] In this embodiment, the first motor drive circuit and the second motor drive circuit each include a gate drive circuit, an inverter circuit, and a Hall sampling current protection circuit; the gate drive circuit and the inverter circuit are connected in series, and the gate drive circuit is connected to the main controller; one end of the Hall sampling overcurrent protection circuit is connected to the total current sampling terminal on the inverter circuit, and the other end is connected to the main controller for collecting the total output current of the inverter circuit. Figure 9 The gate drive circuit of this embodiment is provided. The gate drive circuit of this embodiment is implemented using a chip of model FD6288T. Figure 10The inverter circuit and the Hall sampling overcurrent protection circuit of this embodiment are given as follows: Figure 11 shown.

[0064] The communication circuit of this embodiment can be implemented using a CAN communication circuit, such as Figure 12 As shown, the CAN communication circuit is implemented using a chip CA-IS3062W and its peripheral circuits.

[0065] In this embodiment, the dual-motor drive device for the conveyor line further includes: Figure 13 The dial module shown is connected to the main controller; the dial module is used to set the communication address, and the dial module includes at least one set of dial switches.

[0066] The dual-motor drive device for the conveyor line also includes: Figure 14 The communication status indication circuit shown is connected to the main controller. The communication status indication circuit includes a first communication status indicator light, a second communication status indicator light and several resistors. The first communication status indicator light and the second communication status indicator light are used to indicate the on and off status respectively.

[0067] The conveyor line dual-motor drive device also includes a first motor state indication circuit and a second motor state indication circuit, the first motor state indication circuit and the second motor state indication circuit are both connected to the main controller, the first motor state indication circuit and the second motor state indication circuit each include a first motor state indicator light, a second motor state indicator light and a plurality of resistors, the first motor state indicator light and the second motor state indicator light are respectively used to indicate the clockwise and counterclockwise rotation of the motor, such as Figure 15 shown.

[0068] In this embodiment, the conveyor line dual-motor drive device further includes a peripheral circuit, which is connected to the main controller and includes a reset circuit and a crystal oscillator circuit.

[0069] In one or more embodiments, the conveyor line dual-motor drive device also includes a shell, which includes a first shell and a second shell. The first shell and the second shell are connected by an open-close structure, which is suitable for the working conditions of material box-level logistics transportation.

[0070] In one or more embodiments, the dual-motor drive device for the conveyor line further comprises a housing, the housing comprising an outer cover and a heat dissipation base, the heat dissipation base comprising a plurality of heat dissipation fins, and is suitable for working conditions of pallet-level logistics conveyance where the motor power is relatively large.

[0071] Example 2

[0072] like Figure 16As shown, this embodiment is different from the first embodiment in that the main controller includes a first controller and a second controller, the first controller and the second controller are electrically connected, the first motor drive circuit is electrically connected to the first controller, and the second motor drive circuit is electrically connected to the second controller.

[0073] The circuit diagrams of the first main controller and the second main controller are as follows: Figure 17 and Figure 18 The first main controller and the second main controller are both implemented using a chip of model AT32F413CCT7, and their peripheral circuits can be specifically designed according to the chip manual and will not be described in detail here.

[0074] In this embodiment, the first main controller is also connected to the first status indication circuit, and the second main controller is also connected to the second status indication circuit; the first status indication circuit and the second status indication circuit are used for corresponding motor steering indication, corresponding communication status indication and corresponding power supply voltage status indication.

[0075] In this embodiment, the first main controller and the second main controller are further connected to the first communication circuit and the second communication circuit respectively; the first communication circuit and the second communication circuit can both be implemented using CAN communication circuits.

[0076] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A dual-motor drive device for a conveyor line, characterized in that: include: A main controller, a power supply circuit, a communication circuit, a first motor drive circuit and a second motor drive circuit; The power supply circuit is used to connect to the power supply bus and provide power to other circuits; The communication circuit is used to connect to the communication bus and provide a communication connection; The main controller is connected to the first motor drive circuit, the second motor drive circuit and the communication circuit respectively; the first motor drive circuit and the second motor drive circuit are connected to the first motor and the second motor respectively.

2. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The main controller includes a first controller, and the communication circuit, the first motor driving circuit and the second motor driving circuit are all electrically connected to the first controller.

3. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The main controller includes a first controller and a second controller, the first controller is electrically connected to the second controller, the first motor drive circuit is electrically connected to the first controller, and the second motor drive circuit is electrically connected to the second controller.

4. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The dual-motor drive device for the conveyor line also includes at least two groups of photoelectric input circuits, each group of photoelectric input circuits is connected to a corresponding motor, all photoelectric input circuits are connected to the main controller, and the photoelectric input circuits are used to connect to the photoelectric detection unit.

5. The dual-motor drive device for a conveyor line according to claim 1, 2 or 3, characterized in that: The power supply circuit includes a multi-stage step-down circuit, which provides corresponding voltages for different circuits. The multi-stage step-down circuit is provided with a voltage status indicator light, which is used to indicate the on and off status of the corresponding step-down circuits respectively.

6. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The conveyor line dual-motor drive device also includes a communication status indication circuit, which is connected to the main controller. The communication status indication circuit includes a first communication status indicator light, a second communication status indicator light and several resistors. The first communication status indicator light and the second communication status indicator light are respectively used to indicate the on and off status.

7. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The conveyor line dual-motor drive device also includes a first motor status indication circuit and a second motor status indication circuit. The first motor status indication circuit and the second motor status indication circuit are both connected to the main controller. The first motor status indication circuit and the second motor status indication circuit both include a first motor status indicator light, a second motor status indicator light and several resistors. The first motor status indicator light and the second motor status indicator light are respectively used to indicate the clockwise and counterclockwise rotation of the motor.

8. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The first motor drive circuit and the second motor drive circuit both include a gate drive circuit, an inverter circuit and a Hall sampling overcurrent protection circuit; the gate drive circuit and the inverter circuit are connected in series, and the gate drive circuit is connected to the main controller; one end of the Hall sampling overcurrent protection circuit is connected to the total current sampling end on the inverter circuit, and the other end is connected to the main controller for collecting the total output current of the inverter circuit.

9. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The dual-motor drive device for the conveyor line further includes a dial module, which is connected to the main controller; the dial module is used to set the communication address, and the dial module includes at least one set of dial switches.

10. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The conveyor line dual-motor drive device also includes a peripheral circuit, which is connected to the main controller and includes a reset circuit and a crystal oscillator circuit.

11. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The dual-motor drive device for the conveyor line further includes a shell, which includes a first shell and a second shell, and the first shell and the second shell are connected in an open-close structure.

12. The dual-motor drive device for a conveyor line according to claim 1, characterized in that: The conveyor line dual-motor drive device also includes a shell, the shell includes an outer cover and a heat dissipation base, and the heat dissipation base includes a plurality of heat dissipation fins.

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