Intelligent direct current welding machine system based on photovoltaic power generation and single-chip microcomputer development application

Abstract

The application provides an intelligent direct current welding machine system based on photovoltaic power generation and single-chip microcomputer development and application, which comprises an AT89C51 data collection processing control, a keyboard, an ADC0832 analog-digital conversion, an L298 direct current motor drive, a MAX487 data communication, an LM016L display, a 74LS165 parallel port expansion, an IR2101 high-power IGBT drive control component and a related circuit; the AT89C51 data collection processing control component and the related circuit develop and design the single-chip microcomputer AT89C51 through KEIL C language according to the information, digital signals and analog signals received by the keyboard and the ADC0832 analog-digital conversion component and the related circuit, so as to realize the control of the direct current motor and the welding current, display the control information and realize remote communication. The application changes the utilization mode of direct current emitted by solar energy through inversion, power transformation, power transmission, power transformation and rectification, adopts the mode of directly utilizing the direct current for production equipment, reduces the power transmission cost, improves the real-time performance and accuracy of data processing, and reduces the production cost.

Description

TECHNICAL FIELD

[0001] The present application relates to production manufacturing control system, especially to the intelligent DC welding machine system based on photovoltaic power generation and AT89C51 single-chip microcomputer development application. BACKGROUND

[0002] With the development of new energy and intelligentization, the development and utilization of new energy in actual production process and the collection, analysis and precise control of welding machine data are increasingly required. The current power supply mode is to reduce the voltage to 400V through the transformer of the alternating current network, and then realize the output of direct current and voltage through the electrical control of the rectification and inversion of the electric welding machine. The reactance of the electric reactor is adjusted to realize the control of the voltage through the change of the resistance to control the speed of the wire feeding motor, and the speed and current are matched by manual operation.

[0003] With the rapid development of photovoltaic power generation, intelligentization, digitalization, electronics and electrical appliances, the market demand for direct current power supply, dynamic data sampling, intelligent analysis and precise control is broad, so some equipment manufacturing enterprises are involved in the design and development of products in this field in various ways. Through the data collection of speed, temperature, current and voltage sensors and the transmission of the data to the manufacturer's management platform through the Internet for data analysis, remote control is achieved.

[0004] The current situation is that the direct current generated by solar energy is supplied through the power supply mode of inversion, power transformation, power transmission, power transformation and rectification. Not only can it not guarantee the full utilization of new energy, but also the traditional control method cannot guarantee the product quality, cannot collect data, and has low control precision, poor real-time performance and accuracy, so it is urgent to improve. SUMMARY

[0005] In view of the problems in the prior art, the present application proposes an intelligent DC welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application, which can dynamically collect data in the equipment production process and analyze and process the data by computer, improve the real-time performance and accuracy of data processing, and improve the product quality.

[0006] According to the first aspect of the present application, the intelligent DC welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application is provided, which comprises AT89C51 data collection processing control center electronic components and related circuits thereof, keyboard and corresponding electronic components and circuits thereof, ADC0832 analog-digital conversion components and circuits thereof, L298 DC motor driving components and circuits thereof, MAX487 data communication components and circuits thereof, LM016L display components and related circuits thereof, 74LS165 parallel port expansion components and related circuits thereof, IR2101 high-power IGBT module driving control components and related circuits thereof, and IGBT module and related circuits thereof.

[0007] The AT89C51 data collection processing control center electronic components and related circuits thereof are connected with corresponding circuits and external components, sample external signals and data, and are analyzed and processed by software to realize display of related information and control of external devices.

[0008] The keyboard and corresponding electronic components and circuits thereof are connected with the AT89C51 data collection processing control center through corresponding circuits to receive external input information and transmit the information to the AT89C51 data collection processing control center.

[0009] The ADC0832 analog-digital conversion components and circuits thereof are connected with external components and the AT89C51 data collection processing control center through corresponding circuits to receive external analog signals, convert the analog signals into digital signals, and transmit the digital signals to the AT89C51 data collection processing control center.

[0010] The L298 DC motor driving components and circuits thereof are connected with DC motors and the AT89C51 data collection processing control center through corresponding circuits to receive information and instructions from the AT89C51 data collection processing control center, and control the rotating speed and operation mode of the DC motors.

[0011] The MAX487 data communication components and circuits thereof are connected with the AT89C51 data collection processing control center and remote operation and maintenance platform through corresponding circuits to realize mutual communication between the AT89C51 data collection processing control center and the remote operation and maintenance platform.

[0012] The 74LS165 parallel port expansion components and related circuits thereof are connected with the AT89C51 data collection processing control center, LM016L display screen, and IGBT driving circuit and components through corresponding circuits to expand the parallel interface of the AT89C51 data collection processing control center, realize information display of the control process, and transmit IGBT driving signals.

[0013] The IR2101 high-power IGBT module drive control component and its related circuit are connected with the 74LS165 parallel port expansion component and the IGBT module through corresponding circuit, to realize the control of welding current.

[0014] The LM016L display component and its related circuit are connected with the 74LS165 parallel port expansion component through corresponding circuit, to realize the information display of control process.

[0015] The IGBT module and its related circuit are connected with the IR2101 high-power IGBT module drive control component through corresponding circuit, to realize the control of welding current.

[0016] In one aspect, the AT89C51 data collection processing control center electronic component and its related circuit, the keyboard and its corresponding electronic component and circuit, and the ADC0832 analog-digital conversion component and its circuit receive the key information, digital signal and analog signal, and develop and design the single-chip microcomputer AT89C51 through KEIL C language, to realize the control of direct-current motor and welding current, and display and remote communication of control information.

[0017] In one aspect, the keyboard and its corresponding electronic component and circuit receive the key switch signal and transmit it to AT89C51 for analysis and processing.

[0018] In one aspect, the ADC0832 analog-digital conversion component and its circuit receive external analog quantity for analog-digital conversion, and transmit the digital signal to AT89C51 single-chip microcomputer for data analysis and processing.

[0019] In one aspect, the L298 direct-current motor drive component and its circuit receive the data and instructions from AT89C51 single-chip microcomputer, to realize accurate control of the operation mode and rotating speed of direct-current motor.

[0020] In one aspect, the MAX487 data communication component and its circuit receive the data and information from AT89C51 single-chip microcomputer and transmit them to remote intelligent control platform for analysis and processing, and receive the control instructions and data from the platform.

[0021] In one aspect, the 74LS165 parallel port expansion component and its related circuit expand the parallel interface of AT89C51 single-chip microcomputer, receive the information and data from AT89C51 single-chip microcomputer and transmit them to LM016L display screen for output display, receive the instructions and pulses from AT89C51 single-chip microcomputer and realize the drive of IGBT module and the control of welding current through IR2101 chip.

[0022] In one aspect, the IR2101 high-power IGBT module drive control component and related circuit receives the instructions and pulses of the AT89C51 single-chip microcomputer through the 74LS165 chip, realizes the control of the IGBT module, and further controls the welding current.

[0023] In one aspect, the LM016L display component and related circuit receives the data and information of the AT89C51 single-chip microcomputer through the corresponding circuit through the 74LS165 chip, and displays the data and information on the LM016L display screen.

[0024] In one aspect, the IGBT module and related circuit receives the instructions and pulses of the 89C51 single-chip microcomputer through the IR2101 chip and the 74LS165 chip, and realizes the control of the welding current.

[0025] The intelligent DC welding machine based on photovoltaic power generation and the AT89C51 single-chip microcomputer is constructed, the welding processing function of the direct current generated by the solar cell is realized, the remote communication, the sampling data analysis and the intelligent control function of the welding machine are realized, the intelligent control function of the DC motor is realized, the dynamic data analysis and processing platform function of the equipment production process is realized, the dynamic data display function is realized, the intelligent control of the welding current is realized, the dynamic data analysis and processing platform function of the equipment performance index is realized, the dynamic data can be collected in the equipment production process and analyzed and processed by using the KEIL C language, the real-time and accuracy of the data processing are improved, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the present application and the prior art, the following will briefly introduce the drawings needed to be used, wherein the drawings in the description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1 The system principle diagram for the application of the present application is configured.

[0028] Figure 2 The electrical design system principle diagram of the present application is configured. DETAILED DESCRIPTION

[0029] The exemplary embodiments will be described in detail herein with reference to the attached drawings. In the following description, like reference numerals refer to like elements throughout the description. The following exemplary embodiments are described in terms of mechanisms described with reference to illustrations. After reading this description, it will become apparent to one of ordinary skill in the art how to implement the application in alternative embodiments and modifications. Although examples using specific terminology are described herein, work most specific terminology is used in a generic sense, and it may be employed in connection with similar arrangements or modifications.

[0030] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0031] It is to be understood that the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0032] In one embodiment of the present application, as shown in FIG. 1, an intelligent DC welding machine system based on photovoltaic power generation and AT89C51 single-chip microcomputer development application is provided, which comprises a solar cell power generation and DC power supply network, a DC welding machine, a VC++ working service platform and a database. Figure 1 The DC welding machine is connected with the DC power network to obtain stable capacity, voltage and current and control the power network according to the data of the welding machine. The DC welding machine is also connected with the VC++ working service platform to send the working data to the VC++ working service platform and receive the control data from the VC++ working service platform. The database is connected with the VC++ working service platform to store, analyze, process and back up the working data.

[0033] In one embodiment of the present application, as shown in FIG. 1, an intelligent DC welding machine system based on photovoltaic power generation and AT89C51 single-chip microcomputer development application is provided, which comprises a solar cell power generation and DC power supply network, a DC welding machine, a VC++ working service platform and a database. Figure 2As shown, the intelligent DC welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application is provided, the intelligent DC welding machine comprises AT89C51 data collection processing control center electronic components and related circuits, keyboard and corresponding electronic components and circuits, ADC0832 analog-digital conversion components and circuits, L298 DC motor driving components and circuits, MAX487 data communication components and circuits, LM016L display components and related circuits, 74LS165 parallel port expansion components and related circuits, IR2101 high-power IGBT module driving control components and related circuits, IGBT module and related circuits. The keyboard and corresponding electronic components and circuits and ADC0832 analog-digital conversion components and circuits are connected with the AT89C51 single-chip microcomputer to obtain keyboard information and digital signals converted from analog signals, and the KEIL C language and the AT89C51 single-chip microcomputer are developed and designed to realize information display communication and device control; the L298 DC motor driving components and circuits are connected with the AT89C51 single-chip microcomputer to receive instructions and information of the AT89C51 single-chip microcomputer and realize control of the DC motor operation mode and rotating speed; the LM016L display components and related circuits and the 74LS165 parallel port expansion components and related circuits are connected with the AAT89C51 single-chip microcomputer to receive data and information of the AT89C51 single-chip microcomputer and display output; the 74LS165 parallel port expansion components and related circuits and the IR2101 high-power IGBT module driving control components and related circuits are connected with the AT89C51 single-chip microcomputer to control the IGBT module and related circuits, the MAX487 data communication components and circuits are connected with the AT89C51 single-chip microcomputer to receive and output single-chip microcomputer control information to the VC++ work service platform and receive and output control data of the VC++ work service platform to the AT89C51 single-chip microcomputer.

[0034] The ADC0832 analog-digital conversion component and its circuit convert the sampled analog signal into digital data and transmit to the AT89C51 data collection processing control center electronic component, the AT89C51 single-chip microcomputer calls the MAX487 data communication component and its circuit to call VC++ platform data and instructions through the development and design of KEIL C language, controls the direct current motor through the L298 direct current motor driving component and its circuit, controls the IGBT module through the 74LS165 parallel port expansion component and its related circuit and the IR2101 high-power IGBT module driving control component and its related circuit, and then obtains the stable welding current from the power grid, and realizes the display of dynamic data through the LM016L display component and its related circuit and the 74LS165 parallel port expansion component and its related circuit.

[0035] A complete intelligent direct current welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application is developed through KIEL C language and MCS-51 single-chip microcomputer, the application of solar energy in the welding process is realized, real-time intelligent control of the equipment can be realized, the real-time performance and accuracy of data processing are improved, and the product quality is improved and the welding cost is greatly reduced.

[0036] In one embodiment of the present application, the database includes a SQL database, an ERP database and / or an external database. The SQL database is developed and designed by using SQL SERVER, has good data processing capability, the ERP database can realize the business processing in the enterprise, and the external database can realize linkage with the external control system, for example, remote control can be realized.

[0037] In one embodiment of the present application, the working data includes analog quantity and key information, the AT89C51 data collection processing control center electronic component and its related circuit store and analyze and process, and output analog quantity and switching quantity to the equipment to control the equipment. And send data for dynamic display and remote communication. Figure 2 As shown in the accompanying drawings, the LM016L electronic screen and the MAX487 communication chip are exemplified.

[0038] In one of the embodiments of the present application, the 74LS165 parallel port expansion component and its related circuit and the IR2101 high-power IGBT module drive control component and its related circuit and the L298 DC motor drive component and its circuit for controlling the IGBT module and the DC motor, through manual or automatic database for data calling, analysis, processing and updating. That is, the AT89C51 data collection processing control center electronic component and its related circuit can realize manual data processing and automatic data processing. In actual work, sometimes technical personnel need to manually input data to control the equipment. The VC++ work service platform can realize flexible control of the equipment through manual and automatic data processing functions, which is conducive to processing some sudden conditions of the equipment, such as faults, enhances the flexibility and accuracy of control, and improves the quality of products.

[0039] In one of the embodiments of the present application, the sampling control terminal and the data receiving and sending device are developed and designed by using KEIL C language and MCS-51 series single-chip microcomputer, and the VC++ work service platform is developed and designed by using VC++ language. The single-chip microcomputer is developed by using KEIL C language, and the VC++ work service platform is developed by using VC++ language, which is convenient and practical, can save resources and realize good control function.

[0040] In one of the embodiments of the present application, SCL bus data transmission is adopted between the MAX487 data communication component and its circuit and the VC++ work service platform. The working environment of the equipment may be extremely complex. The SCL bus communication mode can reduce wiring, avoid spending a lot of effort on wiring, and improve the anti-interference ability of the electronic circuit due to the bus wiring mode, thereby ensuring the stable operation of the welding equipment.

[0041] In one of the embodiments of the present application, the 74LS165 parallel port expansion component and its related circuit and the IR2101 high-power IGBT module drive control component and its related circuit are connected by using optical coupling. In actual work, the equipment will generate a lot of interference signals, which is not conducive to the sampling control terminal and may affect the data acquisition effect of the sampling control terminal, such as interference signal stringing into the IR2101 high-power IGBT module drive control component to affect the accuracy of data acquisition and processing, and further affect the whole system. Therefore, the optical coupling with isolation function is used to connect the equipment and the sampling control terminal, which can exclude interference signals, improve the accuracy of data acquisition, and improve the safety and reliability of the system, which is conducive to improving the product quality.

[0042] The above is a detailed description of the technical solutions of the present application. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above examples only express several embodiments of the present application, the principles and embodiments of the present application are described herein, and the above description is only used to help understand the method of the present application and its core idea; at the same time, for those skilled in the art, according to the idea of the present application, the specific embodiments and application scope will be changed. In view of the above, the content of the present application should not be understood as a limitation of the present application.

Claims

1. The intelligent DC welding machine system based on photovoltaic power generation and AT89C51 single-chip microcomputer development application, characterized in that, The system comprises a solar cell power generation and direct current power supply network, an intelligent direct current welding machine, a VC++ work service platform and a database; wherein the intelligent direct current welding machine is connected with the direct current power supply network to obtain stable capacity, voltage and current and control the power network according to the data of the welding machine; the intelligent direct current welding machine is also connected with the VC++ work service platform to send work data to the VC++ work service platform and receive control data from the VC++ work service platform; the database is connected with the VC++ work service platform to store, analyze, process and back up the work data; The intelligent direct current welding machine comprises AT89C51 data collection processing control center electronic components and circuits, a keyboard and corresponding electronic components and circuits, an ADC0832 analog-digital conversion component and circuit, an L298 direct current motor driving component and circuit, a MAX487 data communication component and circuit, an LM016L display component and circuit, a 74LS165 parallel port expansion component and circuit, an IR2101 high-power IGBT module driving control component and circuit and an IGBT module and circuit. The AT89C51 data collection processing control center electronic components and circuits are connected with external components through circuits to sample external signals and data, analyze and process the data through software and realize display of relevant information and control of external devices. The keyboard and corresponding electronic components and circuits are connected with the AT89C51 data collection processing control center through circuits to receive external input information and transmit the information to the AT89C51 data collection processing control center. The ADC0832 analog-digital conversion component and circuit is connected with external components and the AT89C51 data collection processing control center through circuits to receive external analog signals, convert the analog signals into digital signals and transmit the digital signals to the AT89C51 data collection processing control center. The L298 direct current motor driving component and circuit is connected with a direct current motor and the AT89C51 data collection processing control center through circuits to receive information and instructions sent by the AT89C51 data collection processing control center and control the rotating speed and operation mode of the direct current motor. The MAX487 data communication component and circuit is connected with the AT89C51 data collection processing control center and a remote operation and maintenance platform through circuits to realize mutual communication between the AT89C51 data collection processing control center and the remote operation and maintenance platform. The 74LS165 parallel port expansion component and circuit is connected with the AT89C51 data collection processing control center, an LM016L display screen and an IGBT driving circuit and component through circuits to expand the parallel interface of the AT89C51 data collection processing control center, realize information display of the control process and transmission of IGBT driving signals. ​ ​ ​ ​ The IR2101 high-power IGBT module drive control component and its circuit are connected with the 74LS165 parallel port expansion component and the IGBT module through the circuit, so as to realize the control of the welding current. The LM016L display component and its circuit are connected with the 74LS165 parallel port expansion component through the circuit, so as to realize the information display of the control process. The IGBT module and its trigger circuit are connected with the IR2101 high-power IGBT module drive control component through the circuit, so as to realize the control of the welding current.

2. The intelligent DC electric welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application according to claim 1, wherein the working data comprises analog quantity and switching quantity, the analog signal and the digital signal are stored and analyzed by KEIL C language and MCS-51 single-chip microcomputer development design, and analog quantity and switching quantity are output to the intelligent DC electric welding machine to control the intelligent DC electric welding machine.

3. The intelligent DC electric welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application according to claim 1, wherein the data receiving and sending device analyzes and processes the working data obtained from the sampling control terminal.

4. The intelligent DC electric welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application according to claim 1, wherein the system comprises an AT89C51 data collection processing control center electronic component and its circuit, which analyzes and manages the working data and control data, and calls, analyzes, processes and updates data through manual or automatic database. A direct current welding machine system characterized by 5. The intelligent DC electric welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application according to claim 1, wherein the timing signal controls the IGBT module drive through KEIL C language and MCS-51 single-chip microcomputer development design.

6. The intelligent DC electric welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application according to claim 1, wherein the MAX487 data communication component and its circuit realize data transmission with the VC++ development application platform through the SCL bus.

7. The intelligent DC electric welding machine based on photovoltaic power generation and AT89C51 single-chip microcomputer development application according to claim 1, comprising: external transmission signal and intelligent DC electric welding machine are connected by using optical coupling. ​ A direct current welding machine system characterized by ​ ​ ​ A direct current welding machine system characterized by ​ ​ ​ ​ A direct current welding machine system characterized by ​ ​ ​ A direct current welding machine system characterized by ​ ​ ​ A direct current welding machine system characterized by ​ ​ ​

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