CN207746524U - Percussion welder control system - Google Patents
Percussion welder control system Download PDFInfo
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- CN207746524U CN207746524U CN201721928035.7U CN201721928035U CN207746524U CN 207746524 U CN207746524 U CN 207746524U CN 201721928035 U CN201721928035 U CN 201721928035U CN 207746524 U CN207746524 U CN 207746524U
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Abstract
Percussion welder control system provided by the utility model, is related to welding machine technical field.The percussion welder control system includes DSP master control borads, three-phase controllable silicon trigger board, three phase full bridge rectification module, step-up transformer, energy capacitance set, voltage detection module and welding transformer.Step-up transformer is by the three-phase alternating current electric boost of input, three-phase controllable silicon trigger board triggers three phase full bridge rectification module under the control instruction of DSP master control borads, AC rectification after boosting is direct current by three phase full bridge rectification module, direct current is used to charge for energy capacitance set, voltage detection module detects the voltage of energy capacitance set in real time, when voltage reaches predeterminated voltage, three phase full bridge rectification module is switched to single-phase rectifier operating mode, reduces the charging current of energy capacitance set.The percussion welder control system module number is few, and charging voltage is more accurate, and system stability is good.
Description
Technical field
The utility model is related to welding machine technical fields, in particular to a kind of percussion welder control system.
Background technology
In the prior art, using PLC, three-phase intelligent charging module, voltage detecting plate, current detecting board group at by touching
Screen setting welding voltage value is touched, what then PLC was calculated goes out the required analog voltage value of three-phase intelligent module, by voltage output
Silicon-controlled shutdown of opening is controlled to three-phase intelligent charging module to realize to capacitor charging.PLC provides charging signals to three-phase mould
The real-time voltage on capacitance is constantly detected while block, 10ms feeds back primary voltage as a result, controlling mould according to feedback voltage level
Analog quantity voltage value is to adjust charging current and speed.
For this mode using PLC as master controller, the scan period is long, and it is whole can not to accomplish that each half-wave accurately controls three-phase
The silicon-controlled angle of flow is flowed, control accuracy is not high, and this mode is very big to the net capacity requirement of power grid, and the charging time also can
It is very long.
Utility model content
The purpose of this utility model is to provide a kind of percussion welder control system, integrates and improve original three-phase intelligent charging
The control section of module, three-phase alternating current synchronizing signal are directly inputted to DSP master control borads, then defeated after algorithm by DSP master control borads
Go out accurate thyristor trigger angle, three phase full bridge rectification module is triggered by three-phase controllable silicon trigger board, to make energy storage
The charging current of capacitance group is more steady, shortens the charging time, charging voltage is more accurate, and system stability is more preferable.
The utility model improves its technical problem using technical solution below to realize.
A kind of percussion welder control system provided by the utility model, the percussion welder control system include DSP master controls
Plate, three-phase controllable silicon trigger board, three phase full bridge rectification module, step-up transformer, energy capacitance set, voltage detection module and welding
Transformer.
The DSP master control borads become with the three-phase controllable silicon trigger board, the voltage detection module and the welding respectively
Depressor connects, and the three phase full bridge rectification module is connect with the step-up transformer, the three-phase controllable silicon trigger board respectively, institute
Energy capacitance set is stated to connect with the welding transformer, the voltage detection module respectively.
Step-up transformer is by the three-phase alternating current electric boost of input, and the three-phase controllable silicon trigger board is in the DSP master control borads
Control instruction under trigger the three phase full bridge rectification module, the three phase full bridge rectification module is by the AC rectification after boosting
For direct current, the direct current is used to charge for the energy capacitance set, and the voltage detection module detects the energy storage in real time
The voltage of capacitance group, when the voltage reaches predeterminated voltage, the three phase full bridge rectification module is switched to single-phase rectifier Working mould
Formula reduces the charging current of the energy capacitance set.
Further, the percussion welder control system further includes display screen, the display screen and DSP master control borads electricity
Connection.
Further, the display screen uses liquid crystal display.
Further, the DSP master control borads include dsp chip, power module, secondary current detection circuit, capacitance voltage
Voltage-frequency conversion circuit and Proportion valve controlling circuit module.The dsp chip is examined with the power module, the secondary current respectively
Slowdown monitoring circuit, the capacitance voltage voltage-frequency conversion circuit are connected with the Proportion valve controlling circuit module, and the dsp chip is according to connecing
The acquisition signal of receipts sends out control instruction, and the power module is powered for the dsp chip, and the secondary current detection circuit is used
In detection electric current in real time, the capacitance voltage voltage-frequency conversion circuit is used to capacitance voltage signal being converted into the corresponding frequency of voltage
Signal, the Proportion valve controlling circuit module are used to control the static pressure pressure of the welding machine.
Further, the DSP master control borads further include communication module, and the communication module is connect with the dsp chip, are used
In signal transmission.
Further, the DSP master control borads further include three-phase zero cross detection circuit and exterior I O circuit, the three-phase zero passage
Detection circuit is connect with the dsp chip, the no-voltage for detecting the dsp chip；The exterior I O circuit and the DSP
Chip connects.
Further, the energy capacitance set includes multiple capacitances and multiple fuses, and each capacitance is connected in series with
One fuse.
Further, the step-up transformer uses 800V step-up transformers.
Further, the scan mode of the DSP master control borads is every 1ms run-downs.
Further, the three phase full bridge rectification module uses three-phase full-wave triggering technique.
Percussion welder control system provided by the utility model has the advantageous effect of the following aspects：
Percussion welder control system provided by the utility model, including DSP master control borads, three-phase controllable silicon trigger board, three-phase
Full-bridge rectification module, step-up transformer, energy capacitance set, voltage detection module and welding transformer.It integrates and improves original three-phase
The control section of intelligent charging module, three-phase alternating current synchronizing signal is directly inputted to DSP master control borads, then is passed through by DSP master control borads
Accurate thyristor trigger angle is exported after algorithm, and three phase full bridge rectification module is triggered by three-phase controllable silicon trigger board, from
And keep the charging current of energy capacitance set more steady, shorten the charging time.Step-up transformer is by the three-phase alternating current liter of input
Pressure, three-phase controllable silicon trigger board trigger three phase full bridge rectification module, three phase full bridge rectification mould under the control instruction of DSP master control borads
AC rectification after boosting is direct current by block, and direct current is used to charge for energy capacitance set, and voltage detection module is examined in real time
The voltage of energy capacitance set is surveyed, when voltage reaches predeterminated voltage, three phase full bridge rectification module is switched to single-phase rectifier operating mode,
Reduce the charging current of energy capacitance set.The percussion welder control system module number is few, and charging voltage is more accurate, and system is stablized
Property is good.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the composition frame chart for the percussion welder control system that the utility model specific embodiment provides；
Fig. 2 is the composition frame chart of the DSP master control borads for the percussion welder control system that the utility model specific embodiment provides；
Fig. 3 is the control principle of the DSP master control borads for the percussion welder control system that the utility model specific embodiment provides
Figure；
Fig. 4 is the live part schematic diagram for the percussion welder control system that the utility model specific embodiment provides.
Icon：100- percussion welder control systems；110-DSP master control borads；111-DSP chips；112- secondary currents detect
Circuit；113- capacitance voltage voltage-frequency conversion circuits；114- Proportion valve controlling circuit modules；115- three-phase zero cross detection circuits；
116- communication modules；117- exterior I O circuits；118- power modules；120- human-computer interaction interfaces；130- three-phase controllable silicons trigger
Plate；140- three phase full bridge rectification modules；150- step-up transformers；160- energy capacitance sets；170- voltage detection modules；180- is welded
Connect transformer.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term "upper", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
The orientation or positional relationship that relationship or those skilled in the art usually understand is merely for convenience of description the utility model
It is described with simplifying, does not indicate or imply the indicated equipment or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
" first " of the utility model, " second " etc., are only used to distinguish between description, and contain not special
Justice.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is the composition frame chart for the percussion welder control system 100 that the utility model specific embodiment provides, and please refers to figure
1。
A kind of percussion welder control system 100 provided in this embodiment, percussion welder control system 100 include DSP master controls
Plate 110, three-phase controllable silicon trigger board 130, three phase full bridge rectification module 140, step-up transformer 150, energy capacitance set 160, electricity
Press detection module 170, welding transformer 180 and human-computer interaction interface 120.
DSP master control borads 110 respectively with human-computer interaction interface 120, three-phase controllable silicon trigger board 130, voltage detection module 170
With welding transformer 180 connect, three phase full bridge rectification module 140 respectively with step-up transformer 150, three-phase controllable silicon trigger board
130 connections, energy capacitance set 160 are connect with welding transformer 180, voltage detection module 170 respectively.
Step-up transformer 150 is by the three-phase alternating current electric boost of input, and three-phase controllable silicon trigger board 130 is in DSP master control borads 110
Control instruction under triggering three phase full bridge rectification module 140, the AC rectification after boosting is by three phase full bridge rectification module 140
Direct current, direct current are used to charge for energy capacitance set 160, and voltage detection module 170 detects the electricity of energy capacitance set 160 in real time
Pressure, when voltage reaches predeterminated voltage, three phase full bridge rectification module 140 is switched to single-phase rectifier operating mode, reduces storage capacitor
The charging current of group 160.The percussion welder control system 100 integrates the control unit for improving original three-phase intelligent charging module
Point, three-phase alternating current synchronizing signal is directly inputted to DSP master control borads 110, then is exported accurately after algorithm by DSP master control borads 110
Thyristor trigger angle, three phase full bridge rectification module 140 is triggered by three-phase controllable silicon trigger board 130, to make energy storage
The charging current of capacitance group 160 is more steady, shortens the charging time, charging voltage is more accurate, and system stability is more preferable.
Preferably, in the present embodiment, human-computer interaction interface 120 includes display screen, and display screen uses liquid crystal display.When
So, it is not limited to that, can also be using the other kinds of display screen such as touch screen.Step-up transformer 150 uses 800V liters
Pressure transformer.
Fig. 2 is the group of the DSP master control borads 110 for the percussion welder control system 100 that the utility model specific embodiment provides
At block diagram, Fig. 3 is the control of the DSP master control borads 110 for the percussion welder control system 100 that the utility model specific embodiment provides
Schematic diagram please refers to Fig. 2 and Fig. 3.
Specifically, DSP master control borads 110 include dsp chip 111, power module 118, secondary current detection circuit 112, electricity
Hold voltage voltage-frequency conversion circuit 113, Proportion valve controlling circuit module 114, communication module 116,115 and of three-phase zero cross detection circuit
Exterior I O circuit 117.
Dsp chip 111 respectively with power module 118, secondary current detection circuit 112, capacitance voltage voltage-frequency conversion circuit
113, Proportion valve controlling circuit module 114, communication module 116, three-phase zero cross detection circuit 115 and exterior I O circuit 117 connect.
In the welding machine course of work, dsp chip 111 sends out control instruction according to the acquisition signal of reception.Wherein, acquisition signal includes real
When detect voltage signal, secondary current detection circuit 112 detection signal, three-phase zero cross detection circuit 115 detection signal,
The signal of exterior I O circuit 117, human-computer interaction interface 120 transmit the signal etc. come, according to one in these above-mentioned signals or
Comprehensive multiple signals send out control instruction, go to capacitance voltage voltage-frequency conversion circuit 113, Proportion valve controlling circuit module 114,
Communication module 116 etc., to control the welding frequency of welding machine, the display parameters etc. of static pressure pressure, display screen.
Power module 118 is powered for dsp chip 111, and secondary current detection circuit 112 for detecting electric current, capacitance in real time
Voltage voltage-frequency conversion circuit 113 is used to capacitance voltage signal being converted into the corresponding frequency signal of voltage, Proportion valve controlling circuit
Module 114 is used to control the static pressure pressure of welding machine, and communication module 116 is connect with human-computer interaction interface 120, is used for signal transmission,
Three-phase zero cross detection circuit 115 is used to detect the no-voltage of dsp chip 111.
Specifically, in the DSP master control borads 110 in the present embodiment, port x 1 connects power module 118, port x 2 and port x 5
Exterior I O circuit 117 is connect, port x 6 connects voltage-regulating circuit, and port x 7 connects voltage detecting circuit, and port x 8 connects the inspection of three-phase zero passage
Slowdown monitoring circuit 115, port x 10 connect secondary current detection circuit 112, and port x 12 connects Proportion valve controlling circuit module 114, port x 13
Communication module 116 is connect, communication module 116 is connect by communication cable with human-computer interaction interface 120, and port x 14 connects welding transformation
Device 180.
Fig. 4 is the live part schematic diagram for the percussion welder control system 100 that the utility model specific embodiment provides, and is asked
With reference to Fig. 4.
Three phase full bridge rectification module 140 is connect with welding transformer 180, and welding transformer 180 connects with energy capacitance set 160
It connects, it is direct current, step-up transformer that three-phase controllable silicon trigger board 130, which controls three phase full bridge rectification module 140 by AC rectification,
The 150 three-phase alternating current supercharging for that will input boosts and is that energy capacitance set 160 charges again after rectification.Energy capacitance set 160
Output end connect with welding transformer 180.Specifically, energy capacitance set 160 includes multiple capacitances and multiple fuses, each
Capacitance is connected in series with a fuse, and multiple capacitances are connected using parallel way.Energy capacitance set 160 further includes resistance R3 and electricity
R4 is hindered, one end of resistance R3 is connected to the cathode of energy capacitance set 160, and the other end is connect with one end of diode D3, diode
The other end of D3 is connect with the anode of energy capacitance set 160.One end of resistance R4 is connected to the anode of energy capacitance set 160, separately
One end is connect with one end of switch KM3, and the other end of switch KM3 is connect with the cathode of energy capacitance set 160.Three phase full bridge rectification
Current-limiting resistance R2 is also associated between module 140 and the cathode of energy capacitance set 160.
Preferably, metallic film polarity free capacitor of the storage capacitor using pressure voltage more than 1000V is as storage capacitor, storage
Can the charge and discharge of capacitance be pressed in 600V between 900V, safe operation.The percussion welder is suitable for height electricity when high current is welded
The electric discharge welding procedure of pressure.When welding, energy capacitance set 160 goes out electric current in abrupt release, and wink is carried out to welding transformer 180
Between discharge, so that the pad instantaneous high-temperature of workpiece is melted, to realize welding.
The scan mode of DSP master control borads 110 is every 1ms run-downs.Compared to the controllers 10ms run-downs such as PLC,
Scan period shortens, and can accurately control the angle of flow of three-phase controllable silicon trigger board 130, and charging current is more steady, shortens
Charging time.It is very big to avoid initiation of charge electric current, at the end of charging current very little the problem of.Three phase full bridge rectification module 140
Using three-phase full-wave triggering technique, the density of charging current is improved, shortens the charging time, improves efficiency.
Percussion welder control system 100 provided by the utility model, operation principle is as follows：
The control section of original three-phase intelligent charging module is improved by integrating, three-phase alternating current synchronizing signal is directly inputted to
DSP master control borads 110, then accurate thyristor trigger angle is exported after algorithm by DSP master control borads 110, it can by three-phase
It controls silicon trigger board 130 and triggers three phase full bridge rectification module 140.Step-up transformer 150 is by the three-phase alternating current electric boost of input, three-phase
AC rectification after boosting is direct current by full-bridge rectification module 140, and direct current is used to charge for energy capacitance set 160, electricity
Detection module 170 is pressed to detect the voltage of energy capacitance set 160 in real time, when voltage reaches predeterminated voltage, DSP master control borads 110 control
Three phase full bridge rectification module 140 is switched to single-phase rectifier operating mode, reduces the charging current of energy capacitance set 160.Three-phase is complete
Bridge rectification module 140 uses three-phase full-wave triggering technique, improves the density of charging current, shortens the charging time, improves effect
Rate.
Secondary current detection circuit 112, Proportion valve controlling circuit module 114, is led to capacitance voltage voltage-frequency conversion circuit 113
The multiple functions modules such as news module 116 and three-phase zero cross detection circuit 115 are integrated on DSP master control borads 110, and module number subtracts
Few, system stability higher, failure rate is low, and cost is relatively low.
In conclusion percussion welder control system 100 provided by the utility model has the beneficial effect of the following aspects
Fruit：
Percussion welder control system 100 provided by the utility model integrates the control for improving original three-phase intelligent charging module
Part processed, three-phase alternating current synchronizing signal is directly inputted to DSP master control borads 110, then is exported after algorithm by DSP master control borads 110
Three phase full bridge rectification module 140 is triggered, to make in accurate thyristor trigger angle by three-phase controllable silicon trigger board 130
The charging current of energy capacitance set 160 is more steady, shortens the charging time, and charging voltage is more accurate, and system stability is more preferable, therefore
Barrier rate is low, and cost is relatively low.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model can have various changes, combination and variation.It is all the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of percussion welder control system, which is characterized in that the percussion welder control system includes DSP master control borads, three-phase
Control machines plate, three phase full bridge rectification module, step-up transformer, energy capacitance set, voltage detection module and welding transformer；
The DSP master control borads respectively with the three-phase controllable silicon trigger board, the voltage detection module and the welding transformer
Connection, the three phase full bridge rectification module are connect with the step-up transformer, the three-phase controllable silicon trigger board respectively, the storage
Energy capacitance group is connect with the welding transformer, the voltage detection module respectively；
The step-up transformer is by the three-phase alternating current electric boost of input, and the three-phase controllable silicon trigger board is in the DSP master control borads
Control instruction under trigger the three phase full bridge rectification module, the three phase full bridge rectification module is by the AC rectification after boosting
For direct current, the direct current is used to charge for the energy capacitance set, and the voltage detection module detects the energy storage in real time
The voltage of capacitance group, when the voltage reaches predeterminated voltage, the three phase full bridge rectification module is switched to single-phase rectifier Working mould
Formula reduces the charging current of the energy capacitance set.
2. percussion welder control system according to claim 1, which is characterized in that the percussion welder control system is also wrapped
Display screen is included, the display screen is electrically connected with the DSP master control borads.
3. percussion welder control system according to claim 2, which is characterized in that the display screen uses liquid crystal display
Screen.
4. percussion welder control system according to claim 1, which is characterized in that the DSP master control borads include DSP cores
Piece, power module, secondary current detection circuit, capacitance voltage voltage-frequency conversion circuit and Proportion valve controlling circuit module；The DSP
Chip respectively with the power module, the secondary current detection circuit, the capacitance voltage voltage-frequency conversion circuit and the ratio
Example valve controling circuit module connection, the dsp chip send out control instruction according to the acquisition signal of reception, and the power module is
The dsp chip power supply, the secondary current detection circuit for detecting electric current, the capacitance voltage voltage-frequency conversion circuit in real time
For capacitance voltage signal to be converted into the corresponding frequency signal of voltage, the Proportion valve controlling circuit module is described for controlling
The static pressure pressure of welding machine.
5. percussion welder control system according to claim 4, which is characterized in that the DSP master control borads further include communication
Module, the communication module are connect with the dsp chip, are used for signal transmission.
6. percussion welder control system according to claim 5, which is characterized in that the DSP master control borads further include three-phase
Zero cross detection circuit and exterior I O circuit, the three-phase zero cross detection circuit are connect with the dsp chip, described for detecting
The no-voltage of dsp chip；The exterior I O circuit is connect with the dsp chip.
7. percussion welder control system according to claim 1, which is characterized in that the energy capacitance set includes multiple electricity
Hold and multiple fuses, each capacitance are connected in series with a fuse.
8. percussion welder control system according to claim 1, which is characterized in that the step-up transformer uses 800V liters
Pressure transformer.
9. percussion welder control system according to claim 1, which is characterized in that the scan mode of the DSP master control borads
For every 1ms run-downs.
10. percussion welder control system according to claim 1, which is characterized in that the three phase full bridge rectification module is adopted
With three-phase full-wave triggering technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928035.7U CN207746524U (en) | 2017-12-29 | 2017-12-29 | Percussion welder control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928035.7U CN207746524U (en) | 2017-12-29 | 2017-12-29 | Percussion welder control system |
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| Publication Number | Publication Date |
|---|---|
| CN207746524U true CN207746524U (en) | 2018-08-21 |
Family
ID=63152296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721928035.7U Active CN207746524U (en) | 2017-12-29 | 2017-12-29 | Percussion welder control system |
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| Country | Link |
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| CN (1) | CN207746524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127222A (en) * | 2017-12-29 | 2018-06-08 | 广州亨龙智能装备股份有限公司 | Percussion welder control system |
| CN109048138A (en) * | 2018-09-29 | 2018-12-21 | 中正智控（江苏）智能科技有限公司 | Industrial frequency AC mash welder intelligent controller and control method |
-
2017
- 2017-12-29 CN CN201721928035.7U patent/CN207746524U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127222A (en) * | 2017-12-29 | 2018-06-08 | 广州亨龙智能装备股份有限公司 | Percussion welder control system |
| CN108127222B (en) * | 2017-12-29 | 2024-05-24 | 广州亨龙智能装备股份有限公司 | Control system of energy storage welding machine |
| CN109048138A (en) * | 2018-09-29 | 2018-12-21 | 中正智控（江苏）智能科技有限公司 | Industrial frequency AC mash welder intelligent controller and control method |
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Address after: 510000 No. 63, New Road, Taiping Town, Conghua District, Guangzhou City, Guangdong Province Patentee after: HERON INTELLIGENT EQUIPMENT CO., LTD. Address before: 510000 Fengying Road, Conghua Economic Development Zone, Guangzhou, Guangdong Province Patentee before: HERON INTELLIGENT EQUIPMENT CO., LTD. |
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