CN204639395U - Based on the submerged-arc welding system that power line carrier controls - Google Patents
Based on the submerged-arc welding system that power line carrier controls Download PDFInfo
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- CN204639395U CN204639395U CN201520334927.9U CN201520334927U CN204639395U CN 204639395 U CN204639395 U CN 204639395U CN 201520334927 U CN201520334927 U CN 201520334927U CN 204639395 U CN204639395 U CN 204639395U
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Abstract
Based on the submerged-arc welding system that power line carrier controls, belong to welding control technology field.Comprise the source of welding current (2) and wire-feed motor (5), it is characterized in that: be respectively arranged with near-end communication device (1) and remote communication device (4) in the source of welding current (2) one end and wire-feed motor (5) one end, the control circuit of near-end communication device (1) and the control circuit of remote communication device (4) are connected with the power cable between the source of welding current (2) and wire-feed motor (5) simultaneously, realize the carrier communication of control signal.In the submerged-arc welding system that this controls based on power line carrier, the original power line of welding system is utilized to replace controlling the carrier-wave transmission that cable realizes control signal and feedback signal, avoid various inconvenience welding process brought because control cable breaks down, save production cost simultaneously.
Description
Technical field
Based on the submerged-arc welding system that power line carrier controls, belong to welding control technology field.
Background technology
One of wider welding manner is applied in submerged arc welding, in existing submerged-arc welding system, a control cable for transfer control signal and feedback signal is provided with between the source of welding current and wire-feed motor, for at present comparatively famous Lincoln DC-600 series, this system needs the control cables of extra 9 cores to realize the transmission of control signal and feedback signal between the source of welding current and wire-feed motor.In existing submerged-arc welding system, the length controlling cable is relevant with welding region, is generally 80-120m.Owing to being provided with control cable in welding system, have following inconvenience in actual use: (1) is in welding process, control cable frequently to pull on ground due to the change along with welding position, easily breakage occurs, thus there will be the problem such as short circuit, signal attenuation; (2) owing to controlling the complexity of the extremely long and building-site situation of cable, once control cable occur to connect fault extremely difficulty investigate, cost of labor consumes high, directly affects welding quality and efficiency; (3) longer owing to controlling cable, therefore greatly can increase production cost.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of original power line of welding system that utilizes is provided to replace controlling the carrier-wave transmission that cable realizes control signal and feedback signal, avoid various inconvenience welding process brought because control cable breaks down, save the submerged-arc welding system controlled based on power line carrier of production cost simultaneously.
The utility model solves the technical scheme that its technical problem adopts: the submerged-arc welding system that should control based on power line carrier, comprise the source of welding current and wire-feed motor, it is characterized in that: be respectively arranged with near-end communication device and remote communication device in source of welding current one end and wire-feed motor one end, the control circuit of near-end communication device and the control circuit of remote communication device are connected with the power cable between the source of welding current and wire-feed motor simultaneously, realize the carrier communication of control signal.
Preferably, the control circuit of described remote communication device at least comprises far controls side controller, control data input module, control end carrier communication module far away, control data input module with far control side controller and is connected, control side controller far away is by holding the two-way data be connected between realization and described near-end communication device of carrier communication module to transmit with far away control.
Preferably, in described remote communication device, be also provided with memory module and display module, memory module is connected with described control side controller two-phase far away, and control side controller far away is connected with display module.
Preferably, the control circuit of described near-end communication device comprises closely controls side controller, nearly control end carrier communication module and control data output module, nearly control side controller hold that carrier communication module is two-way to be connected with closely control, closely controls side controller and passes through control data output module and be connected with the source of welding current.
Preferably, described control data input module at least comprises four road IO Isolation input lines, four road AD Isolation input lines and a road AD non-isolated input line, connects the external fork shift knob in wire-feed motor, welding parameter control handle and the starting the arc respectively and controls the connection of fork shift switch.
Preferably, described control data output module at least comprises two-way IO Isolation input line, two-way IO isolation and amplifier line, two-way AD Isolation input line and two-way AD isolation and amplifier line.
Compared with prior art, the beneficial effect that the utility model has is:
1, in this submerged-arc welding system controlled based on power line carrier, the original power line of welding system is utilized to replace controlling the carrier-wave transmission that cable realizes control signal and feedback signal, avoid former control cable and to pull because of long-term damaged the and problem such as short circuit, signal attenuation that is that may occur of occurring on ground, improve welding efficiency, greatly reduce artificial and material cost.
2, in the remote communication device of this submerged-arc welding system controlled based on power line carrier, be provided with the memory module stored welding data, user by copying and reading welding data, for analyzing welding quality, can carry out welding quality control.
3, by arranging display module, can show the voltage parameter in welding process, current parameters and speed of welding parameter.
4, in this submerged-arc welding system controlled based on power line carrier, control side controller far away and nearly control side controller all adopt ARM platform to realize, and are easy to expansion and upgrading.
5, by arranging control end signal transmission line far away and nearly control end signal transmission line, go for all welding systems, versatility is better.
Accompanying drawing explanation
Fig. 1 is the submerged-arc welding system architecture schematic diagram controlled based on power line carrier.
Fig. 2 is the submerged-arc welding system signal transmission schematic diagram controlled based on power line carrier.
Fig. 3 is the submerged-arc welding system remote communication device control circuit functional-block diagram controlled based on power line carrier.
Fig. 4 is the submerged-arc welding system near-end communication device control circuit functional-block diagram controlled based on power line carrier.
Fig. 5 ~ 6 are the submerged-arc welding system carrier transport module circuit theory diagrams controlled based on power line carrier.
Wherein: 1, near-end communication device 2, the source of welding current 3, nearly control end signal transmission line 4, remote communication device 5, wire-feed motor 6, control end signal transmission line 7 far away, control end carrier-wave transmission line 8 far away, welding work pieces 9, nearly control end carrier-wave transmission line.
Detailed description of the invention
Fig. 1 ~ 6 are most preferred embodiments of the present utility model, are described further below in conjunction with accompanying drawing 1 ~ 6 pair of the utility model.
As shown in Figure 1, based on the submerged-arc welding system that power line carrier controls, comprise the source of welding current 2 and wire-feed motor 5, the power cable of the source of welding current 2 connects wire-feed motor 5 and welding work pieces 8 respectively, and the output of wire-feed motor 5 completes welding by connecting welding workpiece 8 while of welding gun.The source of welding current 2 one end in the submerged-arc welding system that this controls based on power line carrier and wire-feed motor 5 one end are respectively arranged with near-end communication device 1 and remote communication device 4.Near-end communication device 1 is provided with the nearly control end signal transmission line 3 that two closely control end carrier-wave transmission line 9 and a multiply, article two, control circuit, control panel nearly control end signal transmission line 3 connecting welding power supply 2 in and control circuit near-end communication device 1 in of nearly control end carrier-wave transmission line 9 respectively in two power cables of connecting welding power supply 2 output and near-end communication device 1.Remote communication device 4 is provided with the control end signal transmission line 6 far away that two far control end carrier-wave transmission line 7 and a multiply simultaneously, article two, control end carrier-wave transmission line 7 far away connects the control circuit in two power cables of wire-feed motor 5 side and remote communication device 4 respectively, and control end signal transmission line 6 far away connects the control inputs port in wire-feed motor 5 and the control circuit in remote communication device 4.
As shown in Figure 2, control end signal transmission line 6 far away in remote communication device 4 comprises four road IO Isolation input lines, four road AD Isolation input lines and a road AD non-isolated input line, be respectively used to connect wire-feed motor 5 end original external fork shift knob, welding parameter control handle and the starting the arc and control fork shift switch, be respectively used to receive that corresponding knob or switch export: bond pattern signal, welding parameter signal and welding machine export control signal.Also comprise a supply lines in control end signal transmission line 6 far away, realize power supply by the power supply of the source of welding current 2 self.The control signal received far is controlled end carrier-wave transmission line 7 by two to remote communication device 4 and power cable transmits with the form of carrier signal, is sent in near-end communication device 1.Control circuit in remote communication device 4 receives voltage parameter real-time in welding process, current parameters and speed of welding parameter simultaneously and shows.
The nearly control end signal transmission line 3 of near-end communication device 1 comprises two-way IO Isolation input line, two-way IO isolation and amplifier line, two-way AD Isolation input line and two-way AD isolation and amplifier line.Near-end communication device 1 is closely controlled end carrier-wave transmission line 9 by two and the control signal that remote communication device 4 sends is gathered, and by two-way IO isolation and amplifier line and two-way AD isolation and amplifier line, control signal is delivered in the source of welding current 2, realize the control to the source of welding current 2.By arranging remote communication device 4 and near-end communication device 1, the carrier-wave transmission of control signal between wire-feed motor 5 and the source of welding current 2 is achieved by the power cable between wire-feed motor 5 and the source of welding current 2, eliminating in prior art the control cable needing to arrange separately, avoiding the various drawbacks occurred because arranging control circuit simultaneously.
As shown in Figure 3, the control circuit of remote communication device 4 comprises: far control side controller, control data input module far control end carrier communication module, memory module and display module.Control data input module with far control side controller and be connected, control side controller far away is connected with display module, control side controller far away holds with memory module and far controlling that carrier communication module is two-way to be connected simultaneously, transmitted by the data far controlled between end carrier communication module realization control far away side controller and near-end communication device 1, control far away is held carrier communication module by the form of asynchronous serial port communication and is far controlled the transmission realizing data between side controller.
Control data input module and above-mentioned control end signal transmission line 6 Nei tetra-road far away IO Isolation input line, four road AD Isolation input lines and a road AD non-isolated input line.In the submerged-arc welding system that this controls based on power line carrier, memory module adopts SD card to store, and user can be copied by USB flash disk and read welding data, for analyzing welding quality, carries out welding quality control.Can store welding data in real time, be easy to the expansion of memory capacity.Display module adopts LCD display, shows the voltage parameter in welding process, current parameters and speed of welding parameter.In the submerged-arc welding system that this controls based on power line carrier, control side controller far away adopts ARM platform to realize, and is easy to expansion and upgrading, also can adopts the chip microcontroller of commercially available common model.
As shown in Figure 4, near-end communication device 1 comprises closely controls side controller, nearly control end carrier communication module and control data output module, nearly control side controller holds that carrier communication module is two-way to be connected with closely controlling, the data realized between nearly control side controller and remote communication device 4 by closely controlling end carrier communication module are transmitted, nearly control side controller is connected with the control signal input port of the source of welding current by control data output module, realizes the control to the source of welding current 2.Nearly control end carrier communication module, equally by the form of asynchronous serial port communication and closely control the transmission realizing data between side controller, is closely controlled side controller and is adopted ARM platform to realize equally.Two-way IO Isolation input line, two-way IO isolation and amplifier line, two-way AD Isolation input line and two-way AD isolation and amplifier line in control data output module and above-mentioned nearly control end signal transmission line 3.
Near-end communication device 1 and remote communication device 4 be not active participate control operationally, welding control signal is passed to near-end communication device 1 by carrier communication mode by remote communication device 4, near-end communication device 1 responds communication instruction, and exports control signal to welding machine.
In the submerged-arc welding system that this controls based on power line carrier, above-mentioned control end carrier communication module far away and nearly control end carrier communication module are referred to as carrier transmission module, model as shown in Figure 5 is all adopted to be the carrier communication that the integrated chip U1 of ST7540 realizes data, as shown in Figure 6, after the 1 pin series capacitance C4 of binding post J1 simultaneously and connect one end of diode D1 and inductance L 1, the first siding ring of connection transformer T1 while of between the other end of inductance L 1 and the other end of diode D1, the other end of diode D1 connects 2 pin of binding post J1 simultaneously, 1 of binding post J1, 2 pin are above-mentioned control end carrier-wave transmission line 7 far away and the two ends of nearly control end carrier-wave transmission line 9.
Second siding ring one end ground connection of transformer T1, the other end simultaneously and connect one end of resistance R5 and electric capacity C5, the other end of resistance R5 connects one end of inductance L 2, electric capacity C6 ~ C7 simultaneously, the other end ground connection of inductance L 2 and electric capacity C7, the other end of electric capacity C6 connects 25 pin of integrated chip U1 and 3 pin of double diode U3, the 1 pin ground connection of double diode U3,2 pin connect power Vcc.The other end of electric capacity C5 connects one end of the 3 pin resistance R6 ~ R7 of double diode U2, one end of electric capacity C9 ~ C10 and 15 pin of integrated chip U1 simultaneously.The 2 pin ground connection of double diode U2, the other end of 1 pin and resistance R6 connects power Vcc, one end of the other end of resistance R7 and electric capacity C9 parallel resistance R8, electric capacity C8 simultaneously, and 14 pin of integrated chip U1, the other end ground connection simultaneously of resistance R8 and electric capacity C8.The other end of electric capacity C10 simultaneously and connect one end of resistance R9 ~ R10, other end one end of shunt capacitance C11 and 18 pin of integrated chip U1 simultaneously of resistance R9, the other end ground connection of electric capacity C11.The other end of resistance R10 simultaneously and connect one end of resistance R11 and electric capacity C12, the other end ground connection of electric capacity C12, simultaneously and connect the other end of resistance R12 and 19 pin of integrated chip U1, the other end of resistance R12 connects 26 pin of integrated chip U1 for the other end of resistance R11.
As shown in Figure 5, the 2 pin series resistance R1 of integrated chip U1 connect power Vcc, 16 pin, 20 pin, 27 ~ 28 pin ground connection.21 pin of integrated chip U1,22 pin one end of shunt capacitance C2 ~ C3 and the two ends of crystal oscillator Y1 respectively, the other end ground connection of electric capacity C2 ~ C3.After the 23 pin series capacitance C1 of integrated chip U1 simultaneously and connect one end of resistance R3 ~ R4, the other end of resistance R3 connects 19 pin of integrated chip U1, the other end ground connection of resistance R4.Ground connection after the 24 pin series resistance R2 of integrated chip U1.
Specific works process and operation principle as follows: before welding, two nearly on end communication device 1 two of closely controlling on end carrier-wave transmission line 9 and remote communication device 4 are far controlled end carrier-wave transmission lines 7 and are connected with the power cable of respective end respectively, then the nearly control end signal transmission line 3 nearly on end communication device 1 is connected with the control inputs port in the source of welding current 2, is connected by the corresponding interface in the control end signal transmission line 6 far away in remote communication device 4 with original gauge tap in wire-feed motor 5 or knob simultaneously.For Lincoln's welding system: in remote communication device 4, only need to connect the two-way IO Isolation input line in control end signal transmission line 6 far away, a road AD non-isolated input line and three road AD Isolation input lines; In near-end communication device 1, only need to use the two-way IO isolation and amplifier line in nearly control end signal transmission line 3 and a road AD isolation and amplifier line, the welding system of other brands connects according to the signal setting situation of the line of actual control.
In welding process, operating personnel are by after the original control handle of wire-feed motor 5 end or switch input control signal, control signal is delivered in remote communication device 4, control signal is sent in near-end communication device 1 through power cable and nearly control end carrier-wave transmission line 9 by control end carrier-wave transmission line 7 far away by remote communication device 4, by near-end communication device 1, control signal is delivered to the control signal port of the source of welding current 2, realize the control to the source of welding current 2.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. based on the submerged-arc welding system that power line carrier controls, comprise the source of welding current (2) and wire-feed motor (5), it is characterized in that: be respectively arranged with near-end communication device (1) and remote communication device (4) in the source of welding current (2) one end and wire-feed motor (5) one end, the control circuit of near-end communication device (1) and the control circuit of remote communication device (4) are connected with the power cable between the source of welding current (2) and wire-feed motor (5) simultaneously, realize the carrier communication of control signal.
2. the submerged-arc welding system controlled based on power line carrier according to claim 1, it is characterized in that: the control circuit of described remote communication device (4) at least comprises far controls side controller, control data input module, control end carrier communication module far away, control data input module with far control side controller and is connected, control side controller far away is by holding the two-way data be connected between realization and described near-end communication device (1) of carrier communication module to transmit with far away control.
3. the submerged-arc welding system controlled based on power line carrier according to claim 2, it is characterized in that: in described remote communication device (4), be also provided with memory module and display module, memory module is connected with described control side controller two-phase far away, and control side controller far away is connected with display module.
4. the submerged-arc welding system controlled based on power line carrier according to claim 1, it is characterized in that: the control circuit of described near-end communication device (1) comprises closely controls side controller, nearly control end carrier communication module and control data output module, nearly control side controller hold that carrier communication module is two-way to be connected with closely control, closely controls side controller and passes through control data output module and be connected with the source of welding current (2).
5. the submerged-arc welding system controlled based on power line carrier according to claim 2, is characterized in that: described control data input module at least comprises four road IO Isolation input lines, four road AD Isolation input lines and a road AD non-isolated input line.
6. the submerged-arc welding system controlled based on power line carrier according to claim 4, is characterized in that: described control data output module at least comprises two-way IO Isolation input line, two-way IO isolation and amplifier line, two-way AD Isolation input line and two-way AD isolation and amplifier line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334927.9U CN204639395U (en) | 2015-05-22 | 2015-05-22 | Based on the submerged-arc welding system that power line carrier controls |
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| CN201520334927.9U CN204639395U (en) | 2015-05-22 | 2015-05-22 | Based on the submerged-arc welding system that power line carrier controls |
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| CN204639395U true CN204639395U (en) | 2015-09-16 |
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