Intelligent equipment based on wired communication and signal acquisition

Abstract

The invention relates to the technical field of logistics automation equipment control, and discloses intelligent equipment based on wired communication and signal acquisition, which comprises a controller and an industrial personal computer, the controller performs real-time communication in a wired communication mode, and the industrial personal computer is provided with an equipment interface module. One side of the equipment interface module is provided with an RS232 interface, a key input interface, a DL interrupt interface, an RS485 interface, a CAN interface and a power supply interface; the other side of the equipment interface module is provided with a double-color LED indicating lamp control interface, a signal input interface used for being connected with a sensor and a signal output interface used for controlling a switching device. Intelligent control is performed according to equipment tasks and actual operation conditions of operators, so that efficient cooperation of the equipment and the operators is realized, inaccurate data and other phenomena are avoided, equipment adjustment is performed according to background data and the actual conditions of the operators, and real-time matching of the operation efficiency of the equipment and the working efficiency of the operators is ensured. The manpower is not wasted, and the efficiency is maximized.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics automation equipment control, and in particular to an intelligent device based on wired communication and signal acquisition. Background Art

[0002] Logistics automation equipment control is a key link in the field of modern logistics. It relies on advanced computer technology, sensor technology, automatic control technology and other technical means to realize the automation, intelligence and efficiency of logistics operations. Automatic control technology realizes accurate control of each link on the production line through the coordinated work of PLC (programmable logic controller), sensors, actuators and other equipment; intelligent identification and sorting technology (such as RFID, barcode scanning, image recognition): in the sorting link, it can quickly and accurately identify the information of goods, cooperate with high-speed sorting robots or automated conveyor lines, and realize the rapid classification and transportation of goods; through the Internet of Things platform, enterprises can remotely monitor the operating status of equipment and promptly discover and solve potential problems.

[0003] After searching, the patent with application number CN202111564777.7 discloses a cloud-edge collaborative logistics equipment control method and system, which belongs to the field of logistics control. In response to the existing problems of high control cost and low automation of logistics equipment, the invention provides a cloud-edge collaborative logistics equipment control method, including logistics terminal equipment in two modes: online or offline; when the logistics terminal equipment is in online mode: the cloud platform analyzes the received data and the operation status of the logistics terminal equipment, and the cloud platform schedules the logistics terminal equipment through the edge gateway; when the logistics terminal equipment is in offline mode: data is collected and processed for several logistics terminal devices, and several terminal logistics equipment are self-operated and self-scheduled. The invention enriches the use scenarios of the equipment by performing different controls when the logistics terminal equipment is in two states: online or offline; and effectively avoids the complexity of previous PLC centralized control equipment and the high cost of change, and has high automation efficiency.

[0004] The related technology known in the prior art is to realize the control of logistics automation equipment through single-chip microcomputer technology. This technology mainly uses weak current control of embedded hardware and does not have the unique identity labeling of equipment, remote intelligent control, fault self-detection, simultaneous processing of multiple signal inputs and multiple signal outputs, etc.; In addition, the existing control mode is that the equipment is working and the background does not enter data for delivery. During the operation of the equipment, problems such as waste of manpower, low efficiency, low accuracy, and inaccurate data will occur. If the personnel are too busy and the equipment is out of control, not only will there be a backlog of goods, resulting in the goods being placed randomly, but the goods will also need to be reorganized, affecting work efficiency, and even worse, the goods will be damaged.

[0005] Therefore, we need to propose an intelligent device based on wired communication and signal acquisition to realize data collection and precise control of logistics automation equipment, thereby improving the work efficiency and accuracy of personnel. Summary of the invention

[0006] The purpose of the present invention is to provide an intelligent device based on wired communication and signal acquisition, which performs intelligent control according to the equipment tasks and the actual operation conditions of the operators, so as to achieve efficient coordination between the equipment and the personnel without the occurrence of inaccurate data and the like. The equipment is adjusted through the background data and the actual conditions of the operators to ensure that the operating efficiency of the equipment and the work efficiency of the personnel are matched in real time, so as to avoid wasting manpower and maximize efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions: an intelligent device based on wired communication and signal acquisition, comprising a controller and an industrial computer that use wired communication to perform real-time communication, the industrial computer is provided with a device interface module, and one side of the device interface module is provided with an RS232 interface, a key input interface, a DL interrupt interface, an RS485 interface, a CAN interface, and a power supply interface; The other side of the device interface module is provided with a dual-color LED indicator light control interface, a signal input interface for connecting a sensor, and a signal output interface for controlling a switch device; The power interface is set as a DC 12V power interface, a synchronous buck regulator is connected to the power interface, and a main control circuit connected to the device interface module is provided on the controller.

[0008] Preferably, the main control circuit includes a processor chip U3, a terminal block J2, a MOS tube Q1, and a MOS tube Q2. Pin 1 of the terminal block J2 is connected to resistors R16, R17, and R18 arranged in parallel. A resistor R14 is connected between pin 2 of the terminal block J2 and the D pole of the MOS tube Q1. A resistor R15 is connected between pin 3 of the terminal block J2 and the D pole of the MOS tube Q2.

[0009] Preferably, the signal input interface includes a multi-channel signal input circuit, the signal input circuit includes a MOS tube Q60, the G pole of the MOS tube Q60 is respectively connected to a resistor R85 and a resistor R76, the D pole of the MOS tube Q60 is connected to a resistor R71 connected to a working voltage, and the D pole of the MOS tube Q60 is connected to pin 20 of the processor chip U3.

[0010] Preferably, the signal output interface includes a multi-channel signal output circuit, the signal output circuit includes a MOS tube Q86 and a MOS tube Q90, a resistor R125 is connected to the connection terminal of the G pole of the MOS tube Q86 and the D pole of the MOS tube Q90, a resistor R121 is connected to the D pole of the MOS tube Q86, one end of the resistor R121 is connected to the input end of the power supply, a resistor R132 is connected to the G pole of the MOS tube Q90, and the G pole of the MOS tube Q90 is connected to pin 36 of the processor chip U3.

[0011] Preferably, the RS232 interface includes an RS232 communication interface circuit, and the RS232 communication interface circuit includes a communication chip U21 and a terminal block J21. A capacitor C21 is connected between pins 1 and 3 of the communication chip U21, a capacitor C25 is connected between pins 4 and 5 of the communication chip U21, a capacitor C24 is connected to pin 2 of the communication chip U21, a capacitor C26 is connected to pin 6 of the communication chip U21, a resistor R22 and an inductor B22 are connected in series to pin 7 of the communication chip U21, and a resistor R23 and an inductor B23 are connected in series to pin 8 of the communication chip U21; Pin 9 of the communication chip U21 is connected to pin 43 of the processor chip U3, pin 10 of the communication chip U21 is connected to pin 42 of the processor chip U3, one end of the inductor B23 is connected to pin 2 of the terminal block J21, and one end of the inductor B22 is connected to pin 3 of the terminal block J21.

[0012] Preferably, the CAN interface includes a CAN bus circuit, which includes a chip U20 and a transformer B3, wherein pin 1 of the chip U20 is connected to pin 62 of the processor chip U3, pin 4 of the chip U20 is connected to pin 61 of the processor chip U3, pin 7 of the chip U20 is connected to pin 1 of the transformer B3, and pin 6 of the chip U20 is connected to pin 3 of the transformer B3; capacitors C27 and C28, and an electrostatic diode D20 are connected in series between pins 2 and 4 of the transformer B3.

[0013] Preferably, the RS485 interface includes an RS485 communication interface circuit, and the RS485 communication interface circuit includes a chip U23 and a transformer B1, wherein pin 1 of the chip U23 is connected to pin 52 of the processor chip U3, pins 2 and 3 of the chip U23 are connected to pin 50 of the processor chip U3, and pin 1 of the chip U23 is connected to pin 51 of the processor chip U3; A resistor R29 is connected between the connection terminal between pin 7 of the chip U23 and pin 1 of the transformer B1 and between pin 6 of the chip U23 and pin 3 of the transformer B1, and a suppression diode D24 is connected between pins 2 and 3 of the transformer B1.

[0014] Preferably, the synchronous buck regulator includes a voltage stabilizing circuit, which includes a voltage stabilizing chip U1, a capacitor C1 is connected between pin 1 and pin 6 of the voltage stabilizing chip U1, a resistor R4 is connected between pin 4 and pin 5 of the voltage stabilizing chip U1, and a capacitor C3 and a capacitor C7 arranged in parallel are also connected to pin 5 of the voltage stabilizing chip U1, an inductor L1 and a resistor R3 are connected between pin 3 and pin 6 of the voltage stabilizing chip U1, and the connection terminals of the inductor L1 and the resistor R3 are connected to capacitors C4 and C5 arranged in parallel, and a diode D1 that outputs a 5V voltage.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention performs intelligent control according to the equipment tasks and the actual operation conditions of the operators, thereby achieving efficient coordination between the equipment and the personnel without any phenomenon such as inaccurate data; 2. The present invention adjusts the equipment through background data and the actual situation of the operators, ensuring that the operating efficiency of the equipment and the work efficiency of the operators are matched in real time, thereby avoiding wasting manpower and maximizing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of a device interface module of the present invention; Figure 2 A circuit diagram of a signal input circuit of the present invention; Figure 3 A circuit diagram for signal output of the present invention; Figure 4 A circuit diagram of the RS232 communication interface circuit of the present invention; Figure 5 A circuit diagram of a CAN bus circuit of the present invention; Figure 6 A circuit diagram of the RS485 communication interface circuit of the present invention; Figure 7 is a circuit diagram of a voltage stabilizing circuit of the present invention; Figure 8 1 is a circuit diagram of the main control circuit of the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-8 The invention provides a technical solution: an intelligent device based on wired communication and signal acquisition, which can realize localized management or remote management, and accurately control the operation status of the flow unloading platform, including the operation, stop, light prompt and automatic fault alarm of the equipment; including: A controller and an industrial computer that use wired communication to communicate in real time, wherein the industrial computer is provided with a device interface module, and one side of the device interface module is provided with an RS232 interface, a key input interface, a DL interrupt interface, an RS485 interface, a CAN interface, and a power supply interface; Data sets are interacted through wired communication interfaces (RS485 interface, RS232 interface), industrial computers, and controllers to achieve data collection and precise equipment control, thereby improving personnel's work efficiency and accuracy.

[0019] This equipment is mainly used for cargo sorting in industrial automation communications and express logistics, warehouse cargo loading and unloading, and the startup, operation and alarm prompts of automation equipment.

[0020] The other side of the device interface module is provided with a dual-color LED indicator light control interface, a signal input interface for connecting a sensor, and a signal output interface for controlling a switch device; There is one dual-color LED indicator light control interface, 7 signal input interfaces, and 7 signal output interfaces.

[0021] Sensor types include but are not limited to photoelectric sensors, proximity sensors, infrared sensors, acceleration sensors, optocouplers, magnetic sensors, etc. External devices controlled by switch devices include but are not limited to buttons, alarm lights, relays and other functional devices to control and prompt the equipment.

[0022] The power interface is set as a DC 12V power interface, a synchronous buck regulator is connected to the power interface, and a main control circuit connected to the device interface module is provided on the controller.

[0023] The device has an operating power of 20W and requires a 12V 2A switching power supply.

[0024] The original mode is that the equipment works and the background does not enter the data for delivery, which will lead to problems such as waste of manpower, low efficiency, low accuracy, and inaccurate data during the equipment operation process. The current mode will perform intelligent control based on the equipment tasks and the actual operation of the operators, so as to achieve efficient cooperation between equipment and personnel without inaccurate data.

[0025] In the original model, if the staff is too busy and the equipment is out of control, not only will there be a backlog of goods, resulting in the goods being placed randomly, but also the need to reorganize the goods, which will affect the efficiency of marketing work, and even worse, the goods will be damaged. The current model adjusts the equipment based on the background data and the actual situation of the operators to ensure that the operating efficiency of the equipment and the work efficiency of the personnel are matched in real time, so as to avoid wasting manpower and maximize efficiency.

[0026] This device can realize intelligent data communication with PC, industrial computer, tablet (Android or WINDOWS) or PLC through wired communication technology (RS232, RS485 communication, Internet), realize precise control and data collection interaction, and control the start and stop of motor, calculate and count the number of goods, manage the entry and exit of goods, and detect equipment faults through commands.

[0027] Multiple sensors and multiple control IOs are managed uniformly and controlled separately. Information is input through interaction between a computer and background data. The equipment is powered by a DC12V power supply. The equipment detects goods through photoelectric sensors and transmits the information about the goods to a computer or tablet. The equipment collects barcode or label information according to the situation of the goods and sends it to the background database. The background database matches the goods address information according to the barcode information and issues corresponding commands. The command information is transmitted to the equipment through wired communication, and the working status of the current equipment is controlled according to the received information. The equipment will also enforce the working status of the equipment according to the key or fault code information.

[0028] The main control circuit includes a processor chip U3, a terminal block J2, a MOS tube Q1, and a MOS tube Q2. Pin 1 of the terminal block J2 is connected to resistors R16, R17, and R18 arranged in parallel. A resistor R14 is connected between pin 2 of the terminal block J2 and the D pole of the MOS tube Q1. A resistor R15 is connected between pin 3 of the terminal block J2 and the D pole of the MOS tube Q2.

[0029] Specifically, one end of the resistor R16 is connected to the 48th pin of the processor chip U3 (connected to the 3.3V working voltage), the resistor R17 is connected to the 5V voltage, and the resistor R18 is connected to the power input terminal; The G pole of the MOS tube Q1 is connected to the 58th pin of the processor chip U3, and the G pole of the MOS tube Q2 is connected to the 57th pin of the processor chip U3.

[0030] The main control circuit also includes a terminal block J4 and a terminal block J5. Pin 1 of the terminal block J4 is connected to pin 1 of the terminal block J5, pin 2 of the terminal block J4 is connected to pin 2 of the terminal block J5, pin 3 of the terminal block J4 is connected to pin 3 of the terminal block J5, and pin 5 of the terminal block J4 is connected to pin 4 of the terminal block J5.

[0031] The signal input interface includes a multi-channel signal input circuit, which includes a MOS tube Q60. The G pole of the MOS tube Q60 is respectively connected to resistors R85 and R76, the D pole of the MOS tube Q60 is connected to a resistor R71 connected to a working voltage, and the D pole of the MOS tube Q60 is connected to pin 20 of the processor chip U3.

[0032] The signal output interface includes a multi-channel signal output circuit, which includes a MOS tube Q86 and a MOS tube Q90. A resistor R125 is connected to the connection terminal of the G pole of the MOS tube Q86 and the D pole of the MOS tube Q90. A resistor R121 is connected to the D pole of the MOS tube Q86. One end of the resistor R121 is connected to the input end of the power supply. A resistor R132 is connected to the G pole of the MOS tube Q90. The G pole of the MOS tube Q90 is connected to the 36th pin of the processor chip U3.

[0033] The RS232 interface includes an RS232 communication interface circuit, which includes a communication chip U21 and a terminal block J21. A capacitor C21 is connected between pins 1 and 3 of the communication chip U21, a capacitor C25 is connected between pins 4 and 5 of the communication chip U21, a capacitor C24 is connected to pin 2 of the communication chip U21, a capacitor C26 is connected to pin 6 of the communication chip U21, a resistor R22 and an inductor B22 are connected in series to pin 7 of the communication chip U21, and a resistor R23 and an inductor B23 are connected in series to pin 8 of the communication chip U21; Pin 9 of the communication chip U21 is connected to pin 43 of the processor chip U3, pin 10 of the communication chip U21 is connected to pin 42 of the processor chip U3, one end of the inductor B23 is connected to pin 2 of the terminal block J21, and one end of the inductor B22 is connected to pin 3 of the terminal block J21.

[0034] Pin 2 of the terminal block J21 is connected to a diode D21 and a capacitor C30, respectively; pin 3 of the terminal block J21 is connected to a diode D22 and a capacitor C31, respectively; pin 5 of the terminal block J21 is connected to a capacitor C32, and one end of the capacitor C30, capacitor C31, capacitor C32, diode D21, and diode D22 are all grounded.

[0035] The CAN interface includes a CAN bus circuit, which includes a chip U20 and a transformer B3. Pin 1 of the chip U20 is connected to pin 62 of the processor chip U3, pin 4 of the chip U20 is connected to pin 61 of the processor chip U3, pin 7 of the chip U20 is connected to pin 1 of the transformer B3, and pin 6 of the chip U20 is connected to pin 3 of the transformer B3; capacitors C27 and C28, and an electrostatic diode D20 are connected in parallel between pins 2 and 4 of the transformer B3.

[0036] A resistor R20 and a resistor R21 are connected between pins 6 and 7 of the chip U20 , and one end of the resistor R21 is connected to a capacitor C29 .

[0037] The RS485 interface includes an RS485 communication interface circuit, which includes a chip U23 and a transformer B1. Pin 1 of the chip U23 is connected to pin 52 of the processor chip U3, pins 2 and 3 of the chip U23 are connected to pin 50 of the processor chip U3, and pin 1 of the chip U23 is connected to pin 51 of the processor chip U3. A resistor R29 is connected between the connection terminal between pin 7 of the chip U23 and pin 1 of the transformer B1, and between the connection terminal between pin 6 of the chip U23 and pin 3 of the transformer B1. One end of the resistor R29 is connected to a grounded resistor R26, and the other end of the resistor R29 is connected to a resistor R30 connected to 5V. A suppression diode D24 is connected between pins 2 and 3 of the transformer B1.

[0038] A capacitor C36 is connected between pin 1 and pin 3 of the suppression diode D24, and a capacitor C40 is connected between pin 2 and pin 3 of the suppression diode D24.

[0039] The synchronous buck regulator includes a voltage stabilizing circuit, which includes a voltage stabilizing chip U1. A capacitor C1 is connected between pin 1 and pin 6 of the voltage stabilizing chip U1, a resistor R4 is connected between pin 4 and pin 5 of the voltage stabilizing chip U1, and a capacitor C3 and a capacitor C7 arranged in parallel are also connected to pin 5 of the voltage stabilizing chip U1. An inductor L1 and a resistor R3 are connected between pin 3 and pin 6 of the voltage stabilizing chip U1, and the connection terminals of the inductor L1 and the resistor R3 are connected to capacitors C4 and C5 arranged in parallel, and a diode D1 that outputs a 5V voltage.

[0040] The voltage stabilizing circuit further includes a terminal block J1, and a capacitor C2 and a diode D2 arranged in parallel are connected between pins 1 and 2 of the terminal block J1.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent device based on wired communication and signal acquisition, characterized in that: It includes a controller and an industrial computer that use wired communication to communicate in real time. The industrial computer is provided with a device interface module, and one side of the device interface module is provided with an RS232 interface, a key input interface, a DL interrupt interface, an RS485 interface, a CAN interface, and a power supply interface; The other side of the device interface module is provided with a dual-color LED indicator light control interface, a signal input interface for connecting a sensor, and a signal output interface for controlling a switch device; The power interface is set as a DC 12V power interface, a synchronous buck regulator is connected to the power interface, and a main control circuit connected to the device interface module is provided on the controller.

2. According to claim 1, the intelligent device based on wired communication and signal acquisition is characterized in that: The main control circuit includes a processor chip U3, a terminal block J2, a MOS tube Q1, and a MOS tube Q2. Pin 1 of the terminal block J2 is connected to resistors R16, R17, and R18 arranged in parallel. A resistor R14 is connected between pin 2 of the terminal block J2 and the D pole of the MOS tube Q1. A resistor R15 is connected between pin 3 of the terminal block J2 and the D pole of the MOS tube Q2.

3. The intelligent device based on wired communication and signal acquisition according to claim 2, characterized in that: The signal input interface includes a multi-channel signal input circuit, which includes a MOS tube Q60. The G pole of the MOS tube Q60 is respectively connected to resistors R85 and R76, the D pole of the MOS tube Q60 is connected to a resistor R71 connected to a working voltage, and the D pole of the MOS tube Q60 is connected to pin 20 of the processor chip U3.

4. The intelligent device based on wired communication and signal acquisition according to claim 2, characterized in that: The signal output interface includes a multi-channel signal output circuit, which includes a MOS tube Q86 and a MOS tube Q90. A resistor R125 is connected to the connection terminal of the G pole of the MOS tube Q86 and the D pole of the MOS tube Q90. A resistor R121 is connected to the D pole of the MOS tube Q86. One end of the resistor R121 is connected to the input end of the power supply. A resistor R132 is connected to the G pole of the MOS tube Q90. The G pole of the MOS tube Q90 is connected to the 36th pin of the processor chip U3.

5. The intelligent device based on wired communication and signal acquisition according to claim 2, characterized in that: The RS232 interface includes an RS232 communication interface circuit, which includes a communication chip U21 and a terminal block J21. A capacitor C21 is connected between pins 1 and 3 of the communication chip U21, a capacitor C25 is connected between pins 4 and 5 of the communication chip U21, a capacitor C24 is connected to pin 2 of the communication chip U21, a capacitor C26 is connected to pin 6 of the communication chip U21, a resistor R22 and an inductor B22 are connected in series to pin 7 of the communication chip U21, and a resistor R23 and an inductor B23 are connected in series to pin 8 of the communication chip U21; Pin 9 of the communication chip U21 is connected to pin 43 of the processor chip U3, pin 10 of the communication chip U21 is connected to pin 42 of the processor chip U3, one end of the inductor B23 is connected to pin 2 of the terminal block J21, and one end of the inductor B22 is connected to pin 3 of the terminal block J21.

6. The intelligent device based on wired communication and signal acquisition according to claim 2, characterized in that: The CAN interface includes a CAN bus circuit, which includes a chip U20 and a transformer B3. Pin 1 of the chip U20 is connected to pin 62 of the processor chip U3, pin 4 of the chip U20 is connected to pin 61 of the processor chip U3, pin 7 of the chip U20 is connected to pin 1 of the transformer B3, and pin 6 of the chip U20 is connected to pin 3 of the transformer B3; capacitors C27 and C28, and an electrostatic diode D20 are connected in parallel between pins 2 and 4 of the transformer B3.

7. The intelligent device based on wired communication and signal acquisition according to claim 2, characterized in that: The RS485 interface includes an RS485 communication interface circuit, which includes a chip U23 and a transformer B1. Pin 1 of the chip U23 is connected to pin 52 of the processor chip U3, pins 2 and 3 of the chip U23 are connected to pin 50 of the processor chip U3, and pin 1 of the chip U23 is connected to pin 51 of the processor chip U3. A resistor R29 is connected between the connection terminal between pin 7 of the chip U23 and pin 1 of the transformer B1 and between pin 6 of the chip U23 and pin 3 of the transformer B1, and a suppression diode D24 is connected between pins 2 and 3 of the transformer B1.

8. The intelligent device based on wired communication and signal acquisition according to claim 2, characterized in that: The synchronous buck regulator includes a voltage stabilizing circuit, which includes a voltage stabilizing chip U1. A capacitor C1 is connected between pin 1 and pin 6 of the voltage stabilizing chip U1, a resistor R4 is connected between pin 4 and pin 5 of the voltage stabilizing chip U1, and a capacitor C3 and a capacitor C7 arranged in parallel are also connected to pin 5 of the voltage stabilizing chip U1. An inductor L1 and a resistor R3 are connected between pin 3 and pin 6 of the voltage stabilizing chip U1, and the connection terminals of the inductor L1 and the resistor R3 are connected to capacitors C4 and C5 arranged in parallel, and a diode D1 that outputs a 5V voltage.

Images