CN205324944U - Multi -functional digital contravariant electric welding control panel based on STM32F103 - Google Patents
Multi -functional digital contravariant electric welding control panel based on STM32F103 Download PDFInfo
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- CN205324944U CN205324944U CN201520852597.2U CN201520852597U CN205324944U CN 205324944 U CN205324944 U CN 205324944U CN 201520852597 U CN201520852597 U CN 201520852597U CN 205324944 U CN205324944 U CN 205324944U
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Abstract
The utility model provides a multi -functional digital contravariant electric welding control panel based on STM32F103, includes based on STM32F103's single chip microcomputer system and the power management circuit module who is connected with this single chip microcomputer system, excess temperature protection circuit module, analog quantity feedback circuit module, switching value feedback circuit module, electric current remote -control box circuit module, CAN bus drive circuit module, PWM output circuit module, AC current waveform output circuit module and single chip microcomputer system 1 circuit module. The utility model provides a contravariant electric welding control panel of full -digital control, this control panel is at the modular circuit based on having added multi -functional compatibility on STM32F103's the single chip microcomputer system, make the control panel behind cooperation corresponding embedded algorithm and peripheral device driver board, can be used for different kinds ofly and the contravariant electric welding performance, so as to reduces the type that needs the production and the contravariant electric welding control panel of maintenance by a wide margin, realize the highly uniform nature of product, effectively reduce manufacturing cost and maintenance cost.
Description
Technical field
This utility model relates to inversion welding machine technical field, is specifically related to a kind of multifunctional digital inversion welding machine panel based on STM32F103。
Background technology
The wide variety of inversion welding machine。But, traditional inversion welding machine relies primarily on analog circuit and realizes, in order to ensure the quality of inversion welding machine, typically require the high-precision components and parts of a large amount of use, thus bring the cost height of product and the inherent defect that consistency of performance is bad, there is also the problem that scheduling and planning workload is big simultaneously。Realize owing to fully relying on analog hardware, the type of the panel appropriate products of inversion welding machine is relatively single, namely it is that a circuit board of design is merely able to be suitable for the inversion welding machine of individual species or performance, inversion welding machine must carry out supporting targetedly or parameter adjustment to controlling hardware when realizing difference in functionality and different performance parameter, thus causing inversion welding machine producer must prepare the control circuit plate of various model when producing for coordinating the inversion welding machine of different model and performance requirement。So, production cost is not only increased so that the formulation of the production schedule faces very big challenge, and the necessary standing various types of panels of each maintenance point are standby, add the difficulty of product after-sales service。
Along with the development of Power Electronic Technique and Control Technique of Microcomputer, research and development and the manufacture level of inversion welding machine also constantly rise, and the control mode of inversion welding machine is also changed from simulation-to-digitalization step by step。But, the inversion welding machine of existing employing Semi-digital control mode still suffers from tradition shortcomings existing for inversion welding machine, it is impossible to meet instructions for use better。
Summary of the invention
The purpose of this utility model is in that for above-mentioned existing problems and deficiency, it is provided that a kind of multifunctional digital inversion welding machine panel based on STM32F103 that production cost is low, output characteristics is various, output controls accurately and concordance is good being capable of full-digital control。
The technical solution of the utility model is achieved in that
Multifunctional digital inversion welding machine panel based on STM32F103 described in the utility model, is characterized in: include the Single Chip Microcomputer (SCM) system based on STM32F103 and the electric power management circuit module being connected with this Single Chip Microcomputer (SCM) system, thermal-shutdown circuit module, analog quantity feedback circuit module, switching value feedback circuit module, remote control current box circuit module, CAN drive circuit module, PWM output circuit module, AC wave shape output circuit module and switching value output circuit module。
Wherein, described electric power management circuit module includes net pressure Acquisition Circuit and double; two electrical network decision circuitry, and wherein said net pressure Acquisition Circuit is connected to the 32nd foot of STM32F103, and described pair of electrical network decision circuitry is connected to the 66th foot of STM32F103。
Described thermal-shutdown circuit module includes three temperature acquisition passages; wherein first temperature acquisition passage is for being acquired the temperature of fast recovery diode and the signal collected is connected to the 36th foot of STM32F103; second temperature acquisition passage is for being acquired the temperature of main inverse switch pipe and the signal collected is connected to the 34th foot of STM32F103, and the 3rd temperature acquisition passage is for being acquired the temperature of inversion welding machine internal medium and the signal collected is connected to the 33rd foot of STM32F103。
Described analog quantity feedback circuit module includes output voltage Acquisition Circuit, output current collection circuit and a peak point current Acquisition Circuit, wherein said output voltage Acquisition Circuit is connected to the 25th foot of STM32F103, described output current collection circuit is connected to the 26th foot of STM32F103, and a described peak point current Acquisition Circuit is connected to the 29th foot of STM32F103。
Described switching value feedback circuit module includes arc welding gun switch circuit and hydraulic pressure switch circuit, and wherein said arc welding gun switch circuit is connected to the 79th foot of STM32F103, and described hydraulic pressure switch circuit is connected to the 62nd foot of STM32F103。
Described remote control current box circuit module includes foot switch input circuit, foot-operated electric current controls input circuit, automatic welding signal output apparatus, automatic welding handshake input circuit, 3.3V voltage follower circuit and 24V voltage follower circuit, wherein said foot switch input circuit is connected to the 78th foot of STM32F103, described foot-operated electric current controls input circuit and is connected to the 18th foot of STM32F103, described automatic welding signal output apparatus is connected to the 43rd foot of STM32F103, and described automatic welding handshake input circuit is connected to the 80th foot of STM32F103。
Described CAN drive circuit module is that the TXD pin of described CAN driving chip PCA82C251 is connected to the 82nd foot of STM32F103, and its RXD pin is connected to the 81st foot of STM32F103 with the CAN driving chip PCA82C251 drive circuit module formed for core。
Described PWM output circuit module is that the input of described ratio discharge circuit module is connected to the 23rd foot of STM32F103 with the integrated transporting discharging IC ratio discharge circuit module being core。
The positive phase output of described AC wave shape output circuit module is connected to the 40th foot of STM32F103, and the output of its minus phase is connected to the 42nd foot of STM32F103。
Described switching value output circuit module includes Air Valve Control output circuit, high-voltage arc strike controls output circuit and fan control output circuit, wherein said Air Valve Control output circuit is connected to the 87th foot of STM32F103, described high-voltage arc strike controls output circuit and is connected to the 86th foot of STM32F103, and described fan control output circuit is connected to the 88th foot of STM32F103。
This utility model compared with prior art, has the advantage that
This utility model is a multi-functional inversion welding machine panel based on full-digital control, this panel have employed the modularized circuit design of compatible several functions, output characteristics is various, make this panel can the functional requirement of compatible different inversion welding machines on hardware, so when producing inversion welding machine, adopt identical panel can produce the inversion welding machine of polytype and performance, decrease the panel type of the inversion welding machine needing production significantly, thus effectively reducing production and maintenance cost, simplify production debugging and production procedure, and improve stability and the concordance of product。This panel coordinate appropriate, based on the control algolithm of STM32F103 after be capable of the repertoire of the relevant inversion welding machines such as ac argon arc weld, DC argon arc welding, gas shielded arc welding, CUT, and export precise control。
Below in conjunction with accompanying drawing, this utility model is further described。
Accompanying drawing explanation
Fig. 1 is theory of constitution block diagram of the present utility model。
Fig. 2 is arc welding gun switch circuit diagram of the present utility model。
Fig. 3 is PWM output circuit figure of the present utility model。
Fig. 4 is AC wave shape output circuit figure of the present utility model。
Fig. 5 is Air Valve Control output circuit figure of the present utility model。
Fig. 6 is CAN drive circuit figure of the present utility model。
Fig. 7 is output current collection circuit figure of the present utility model。
Fig. 8 is a peak point current Acquisition Circuit figure of the present utility model。
Detailed description of the invention
As shown in Figure 1, multifunctional digital inversion welding machine panel based on STM32F103 described in the utility model, mainly include the Single Chip Microcomputer (SCM) system based on STM32F103 and the electric power management circuit module being connected with this Single Chip Microcomputer (SCM) system, thermal-shutdown circuit module, analog quantity feedback circuit module, switching value feedback circuit module, remote control current box circuit module, CAN drive circuit module, PWM output circuit module, AC wave shape output circuit module and switching value output circuit module, wherein the Single Chip Microcomputer (SCM) system based on STM32F103 is the control core circuit of multifunctional digital inversion welding machine panel, based on the Single Chip Microcomputer (SCM) system of STM32F103 by this can provide the real-time sampling of analog quantity and digital quantity for each circuit module of periphery and control output, and after coordinating the control algolithm being suitable for, just plate can be driven to carry out sampling and exporting control signal by the input interface plate of panel periphery and output, and then realize the function of multiple inversion welding machine。The storage chip ST24C02 with IIC interface should be configured based on the Single Chip Microcomputer (SCM) system of STM32F103。And, SWD DLL should be adopted based on the Single Chip Microcomputer (SCM) system of STM32F103, its SWD programs socket and adopts clubfoot socket。Further, should provide by the TL431 reference voltage source constituted in series with a resistor based on the analog digital conversion reference voltage of the Single Chip Microcomputer (SCM) system of STM32F103。
Described electric power management circuit module includes net pressure Acquisition Circuit and double; two electrical network decision circuitry。Wherein, net pressure Acquisition Circuit is obtained 24V DC voltage by after mains transformer blood pressure lowering through bridge type rectification; 24V DC voltage is after the dividing potential drop of series resistance, then connects a decoupling capacitor and two diodes carry out voltage clamp between 0～2.5V to protect STM32F103。24V DC voltage processes, through foregoing circuit, the 32nd foot (7 passages of ADC) that conversion is followed by STM32F103, carries out the analog digital conversion of voltage sample。And double; two electrical network decision circuitry is connected to the 66th foot of STM32F103。
Described thermal-shutdown circuit module includes three temperature acquisition passages; wherein first temperature acquisition passage is for being acquired the temperature of fast recovery diode; second temperature acquisition passage is for being acquired the temperature of main inverse switch pipe, and the 3rd temperature acquisition passage is for being acquired the temperature of inversion welding machine internal medium。The signal of three temperature acquisition passages both passes through respective capacitance-resistance low-pass filtering; after connecing the voltage clamp protection that two diodes carry out 0～2.5V again, wherein through first temperature acquisition channel acquisition to signal be connected to the 36th foot (9 passages of ADC) of STM32F103 and carry out analog digital conversion；Through second temperature acquisition channel acquisition to signal be connected to the 34th foot (15 passages of ADC) of STM32F103 and carry out analog digital conversion；Through the 3rd temperature acquisition channel acquisition to signal be connected to the 33rd foot (14 passages of ADC) of STM32F103 and carry out analog digital conversion。By the temperature voltage signal after described process, STM32F103 just can accurately monitor the temperature of the fast recovery diode being in operation, main inverse switch pipe and inversion welding machine internal medium in real time。The bleeder circuit being made up of paster critesistor one divider resistance of series connection of a 10K for the collection of ambient temperature carries out the temperature conversion to voltage, and the voltage-reference that its running voltage is formed a 2.5V by TL431 provides。
Described analog quantity feedback circuit module includes output voltage Acquisition Circuit, output current collection circuit and a peak point current Acquisition Circuit。Wherein, output voltage Acquisition Circuit is by output voltage after the sampling circuit samples that four resistant series form, and the 25th foot (2 passages of ADC) being followed by STM32F103 then through the voltage clamp circuit of low-pass filtering and 0～3.3V of two diodes composition carries out analog digital conversion。Meanwhile, the place being connected with output voltage in output voltage Acquisition Circuit have also been devised VRD circuit, it is possible to the 24V floating voltage that welding electrode output is controlled, its 98th foot (1 mouthful of E port) controlling to be connected to STM32F103。As shown in Figure 7, output current collection circuit accesses input socket CN8 carried out the conversion of current/voltage by panel external circuit after, and the 26th foot (3 passages of ADC) being followed by STM32F103 then through the bleeder circuit of two resistance compositions, the voltage clamp of 0～3.3V of two diode compositions and low-pass filter circuit carries out analog digital conversion。As shown in Figure 8, peak point current Acquisition Circuit is to be carried out current/voltage conversion by panel external circuit to be followed by input socket CN9, and the 29th foot (4 passages of ADC) that the voltage clamp circuit of the 0～3.3V formed then through two low-pass filtering being made up of resistance capacitance being sequentially connected in series and two diodes is followed by STM32F103 carries out analog digital conversion。
Described switching value feedback circuit module includes arc welding gun switch circuit and hydraulic pressure switch circuit。After two described on-off circuits have both passed through the isolation of photoelectric coupling of simple gate, it is pulled to 3.3V again with a resistance, then arc welding gun switch circuit is connected to the 79th foot (11 mouthfuls of C port) of STM32F103, and hydraulic pressure switch circuit is connected to the 62nd foot (15 mouthfuls of D port) of STM32F103。Wherein, owing to arc welding gun switch circuit is longer at the connecting line of machine exterior, together with described connecting line is wound around jointly with the electric wire of the big current work on welding gun simultaneously, the induced voltage of high frequency will necessarily have been sensed, the induced voltage of this high frequency is enough to the control device of the operating on low voltage to panel and threatens, for this as in figure 2 it is shown, be provided with, at the input of the photoelectric coupling of arc welding gun switch circuit, the circuit for resisting common mode disturbances being made up of three high-voltage capacitances and a conjugation inductance。The end of this circuit resisting common mode disturbances is connected to two output pin two ends that full-bridge rectification bridge is piled, and two input pins of full-bridge rectification bridge heap are connected be followed by between 24V and ground wire with input and a current-limiting resistance of photoelectric coupling。Described full-bridge rectification bridge heap and current-limiting resistance combined effect are to protect the input diode of photoelectric coupling to be burned out。
Described remote control current box circuit module includes the voltage follower circuit of foot switch input circuit, foot-operated electric current control input circuit, automatic welding signal output apparatus, automatic welding handshake input circuit, 3.3V voltage follower circuit and 24V。Wherein, foot switch input circuit is connected to the 78th foot (10 mouthfuls of C port) of STM32F103；Foot-operated electric current controls input circuit and is connected to the 18th foot (13 passages of ADC) of STM32F103；Automatic welding signal output apparatus is connected to the 43rd foot (12 mouthfuls of E port) of STM32F103；Automatic welding handshake input circuit is connected to the 80th foot (12 mouthfuls of C port) of STM32F103。
As shown in Figure 6, CAN drive circuit module is with the CAN driving chip PCA82C251 CAN drive circuit formed for core。The TXD pin of described CAN driving chip PCA82C251 is connected to the 82nd foot of STM32F103, and its RXD pin is connected to the 81st foot of STM32F103。Wherein, circuit and CAN be connected to two socket CN13 and CN14, be respectively used to the output of the CAN with display circuit board and be connected and other have equipment connection of CAN interface。
As it is shown on figure 3, PWM output circuit module is with the integrated transporting discharging IC ratio discharge circuit module being core。The output amplitude of the PWM waveform of STM32F103 is 3.3V, in order to drive plate supporting existing peripheral equipment, it is necessary to output it voltage and carry out being converted to the PWM waveform of 4.5V。The input of described ratio discharge circuit module is connected to the 23rd foot (the waveform delivery outlet of enumerator 2) of STM32F103, and centre has concatenated a RC low-pass filter circuit。The 1 foot output of integrated transporting discharging IC is connected to the 4th foot of accessory power outlet CN15。Wherein, 1 foot of accessory power outlet CN15 and 3 feet respectively peripheral equipment drive plate to provide the supply voltage of+15V and-15V。
As shown in Figure 4, AC wave shape output circuit module has been connected to accessory power outlet CN19。Wherein, 1 foot of accessory power outlet CN19 and 2 feet are exchange positive phase and minus phase output respectively。And, positive phase output is connected to the 40th foot (9 mouthfuls of E port) of STM32F103, and minus phase output is connected to the 42nd foot (11 mouthfuls of E port) of STM32F103。3 feet of accessory power outlet CN19 and 4 feet are the feed back inputs of exchange overvoltage signal, are respectively connected to the input pin of photoelectric coupling IC, and after isolation, signal is connected to the 60th foot (13 mouthfuls of D port) of STM32F103。
Described switching value output circuit module includes Air Valve Control output circuit, high-voltage arc strike controls output circuit and fan control output circuit totally three circuit box。As it is shown in figure 5, Air Valve Control output circuit is connected to the 87th foot (6 mouthfuls of D port) of STM32F103, then through Phototube Coupling IC, then it is connected to power field effect pipe and as current switch, air valve is controlled。And high-voltage arc strike controls output circuit and is connected to the 86th foot (5 mouthfuls of D port) of STM32F103, then through Phototube Coupling IC, then it is connected to relay and as current switch, striking equipment is controlled。Wherein, the high pressure absorbing circuit being made up of RC it is connected between the output pin of described relay。Meanwhile, fan control output circuit is connected to the 88th foot (7 mouthfuls of D port) of STM32F103, then through Phototube Coupling IC, is then connected to relay, as current switch, the fan within inversion welding machine is carried out break-make control。
Above-mentioned be core with the Single Chip Microcomputer (SCM) system of STM32F103 multifunctional digital inversion welding machine panel; modularized circuit owing to have employed multi-functional compatibility designs; make the described panel can after coordinating different Embedded algorithm; the core of the inversion welding machine realizing many moneys difference in functionality and performance controls function, for instance: the core of the relevant inversion welding machines such as ac argon arc weld, DC argon arc welding, gas shielded arc welding and CUT controls function。And, by this design, it is very easy to manufacturer to increase or delete peripheral equipment tablet according to the inversion welding machine of the dissimilar and performance to realize and drive plate to coordinate different Embedded algorithms to realize required function, without changing different types of panel, thus effectively reducing production and maintenance cost, simplify production debugging and production procedure, and improve stability and the concordance of product。
This utility model is described by embodiment, but this utility model is not construed as limiting, with reference to description of the present utility model, other changes of the disclosed embodiments, as the professional person for this area is readily apparent that, such change should belong within the scope that this utility model claim limits。
Claims (1)
1. the multifunctional digital inversion welding machine panel based on STM32F103, it is characterised in that: include the Single Chip Microcomputer (SCM) system based on STM32F103 and the electric power management circuit module being connected with this Single Chip Microcomputer (SCM) system, thermal-shutdown circuit module, analog quantity feedback circuit module, switching value feedback circuit module, remote control current box circuit module, CAN drive circuit module, PWM output circuit module, AC wave shape output circuit module and switching value output circuit module；
Described electric power management circuit module includes net pressure Acquisition Circuit and double; two electrical network decision circuitry, and wherein said net pressure Acquisition Circuit is connected to the 32nd foot of STM32F103, and described pair of electrical network decision circuitry is connected to the 66th foot of STM32F103；
Described thermal-shutdown circuit module includes three temperature acquisition passages; wherein first temperature acquisition passage is for being acquired the temperature of fast recovery diode and the signal collected is connected to the 36th foot of STM32F103; second temperature acquisition passage is for being acquired the temperature of main inverse switch pipe and the signal collected is connected to the 34th foot of STM32F103, and the 3rd temperature acquisition passage is for being acquired the temperature of inversion welding machine internal medium and the signal collected is connected to the 33rd foot of STM32F103；
Described analog quantity feedback circuit module includes output voltage Acquisition Circuit, output current collection circuit and a peak point current Acquisition Circuit, wherein said output voltage Acquisition Circuit is connected to the 25th foot of STM32F103, described output current collection circuit is connected to the 26th foot of STM32F103, and a described peak point current Acquisition Circuit is connected to the 29th foot of STM32F103；
Described switching value feedback circuit module includes arc welding gun switch circuit and hydraulic pressure switch circuit, and wherein said arc welding gun switch circuit is connected to the 79th foot of STM32F103, and described hydraulic pressure switch circuit is connected to the 62nd foot of STM32F103；
Described remote control current box circuit module includes foot switch input circuit, foot-operated electric current controls input circuit, automatic welding signal output apparatus, automatic welding handshake input circuit, 3.3V voltage follower circuit and 24V voltage follower circuit, wherein said foot switch input circuit is connected to the 78th foot of STM32F103, described foot-operated electric current controls input circuit and is connected to the 18th foot of STM32F103, described automatic welding signal output apparatus is connected to the 43rd foot of STM32F103, and described automatic welding handshake input circuit is connected to the 80th foot of STM32F103；
Described CAN drive circuit module is that the TXD pin of described CAN driving chip PCA82C251 is connected to the 82nd foot of STM32F103, and its RXD pin is connected to the 81st foot of STM32F103 with the CAN driving chip PCA82C251 drive circuit module formed for core；
Described PWM output circuit module is that the input of described ratio discharge circuit module is connected to the 23rd foot of STM32F103 with the integrated transporting discharging IC ratio discharge circuit module being core；
The positive phase output of described AC wave shape output circuit module is connected to the 40th foot of STM32F103, and the output of its minus phase is connected to the 42nd foot of STM32F103；
Described switching value output circuit module includes Air Valve Control output circuit, high-voltage arc strike controls output circuit and fan control output circuit, wherein said Air Valve Control output circuit is connected to the 87th foot of STM32F103, described high-voltage arc strike controls output circuit and is connected to the 86th foot of STM32F103, and described fan control output circuit is connected to the 88th foot of STM32F103。
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| CN201520852597.2U CN205324944U (en) | 2015-10-30 | 2015-10-30 | Multi -functional digital contravariant electric welding control panel based on STM32F103 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451609A (en) * | 2019-01-21 | 2020-07-28 | 马春辉 | Method and device for controlling welding and cutting equipment, electronic equipment and storage medium |
| CN113386132A (en) * | 2021-06-09 | 2021-09-14 | 宁波八益集团有限公司 | Intelligent gear-taking robot control module and control method thereof |
-
2015
- 2015-10-30 CN CN201520852597.2U patent/CN205324944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451609A (en) * | 2019-01-21 | 2020-07-28 | 马春辉 | Method and device for controlling welding and cutting equipment, electronic equipment and storage medium |
| CN113386132A (en) * | 2021-06-09 | 2021-09-14 | 宁波八益集团有限公司 | Intelligent gear-taking robot control module and control method thereof |
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