CN100478112C - Controller of capacitor energy storing apparatus and its control - Google Patents
Controller of capacitor energy storing apparatus and its control Download PDFInfo
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- CN100478112C CN100478112C CNB2006100655916A CN200610065591A CN100478112C CN 100478112 C CN100478112 C CN 100478112C CN B2006100655916 A CNB2006100655916 A CN B2006100655916A CN 200610065591 A CN200610065591 A CN 200610065591A CN 100478112 C CN100478112 C CN 100478112C
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- 239000003990 capacitor Substances 0.000 title claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 11
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 5
- 101150105073 SCR1 gene Proteins 0.000 claims description 5
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 description 1
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- 102100039690 RNA-binding motif, single-stranded-interacting protein 2 Human genes 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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Images
Abstract
A controller of capacitor-type energy accumulating machine for welding is composed of panel consisting of surface film, iron and frame, motherboard containing CPU trigger circuit board, and master controller consisting of step-up transformer, bridge rectifier, charging and discharging SCRs, energy accumulating capacitor, and discharging transformer. Its control method features the program control of charging and discharging.
Description
Technical field
The present invention relates to a kind of control device and control method thereof of welding machine, particularly a kind of control device of capacitance energy storage type percussion welder and control method thereof.
Background technology
The analog charging of the most employings of existing energy storage machine welding control method is directly controlled discharge with floor push.Exist in the charging process to overcharge and the situation of undercharge,,, particularly when accurate spot welding, can't satisfy welding requirements in order to avoid cause welding effect inconsistent so can not under same energy, discharge during discharge.
Secondly, there is not to adopt the working method of " connecting point ", so that production efficiency is low.As mentioned above, discharge is to be controlled by floor push, when floor push is stepped on, no matter whether electric capacity is full of all and discharges, so just can step on floor push after must being full of electricity by the time, otherwise energy shortage is to form solder joint, therefore, be difficult in and be full of electricity back and carry out welding operation with the shortest time, its complicated operation, efficient are low.
Summary of the invention
At above-mentioned defective, the object of the present invention is to provide a kind of welding precision height, speed of welding control device and control method thereof fast and simple to operate.For this reason, the control device of percussion welder of the present invention and control method thereof have the function of Synchronization Control, the welding of every bit are all carried out, its welding precision height under same voltage; Have the even function of means of spot welds, by the discharge of internal processes control discharge silicon, assurance is welded after being full of electricity at every turn again; Have function easy and simple to handle, at any time step on floor push and can weld; The major control circuit is in order to control the discharging time of main circuit discharge silicon.
The technical solution used in the present invention is for providing a kind of controller of capacitor energy storing apparatus, comprise panel, cpu motherboard circuit, trigger board circuit and governor circuit, described panel is connected with described cpu motherboard circuit, connect by data wire between described trigger board circuit and the described cpu motherboard circuit, described trigger board circuit, described cpu motherboard circuit are connected with described governor circuit.
Described governor circuit comprises step-up transformer, rectifier bridge, charging controllable silicon, storage capacitor, discharging thyristor, discharge transformer, described step-up transformer connects the input of described rectifier bridge, output series connection charging controllable silicon (SCR0) back of described rectifier bridge is in parallel with described storage capacitor (C1, Cn), the two ends of described storage capacitor are connected to by discharging thyristor (two inputs of SCR1～SCR4) form, the output of this discharging thyristor connects described discharge transformer, and provides operating voltage by the work for bonding machine behind this discharge transformer.
Described panel comprises panel pad pasting, iron plate and sheet frame, and described iron plate is arranged in the described sheet frame, and its periphery is connected with described sheet frame, and in the same side of described iron plate and described sheet frame described panel pad pasting is set.Described panel pad pasting is provided with button operation position and digital display area, contacts with components and parts in the described cpu motherboard circuit arrangement, and it shows time parameter, voltage parameter and count value respectively, can make variation according to the needs of described panel are corresponding.Hole and square window can be set on the described iron plate, be used for placing the components and parts of described cpu motherboard circuit arrangement.
Described cpu motherboard circuit arrangement is provided with charactron and button, comes video data by charactron, operates with button, and location of element and described panel and described iron plate cooperatively interact on it.Press the described button that it connects down by described panel pad pasting, to realize the input of instruction.
Described trigger board circuit comprises power circuit, air valve drive circuit, charging circuit, fine setting discharge circuit, discharge trigger circuit and treatment circuit.Described power circuit is used to circuit board that power supply is provided, and described air valve drive circuit and described discharge trigger circuit are connected on the same interface simultaneously, and described treatment circuit then is connected respectively to described charging circuit and described fine setting discharge circuit.
Cpu motherboard circuit in the cpu motherboard circuit arrangement is the core circuit of control, is made up of CPU and peripheral circuit.
Between described trigger board circuit and the described governor circuit, also can be respectively arranged with transformer between described cpu motherboard circuit and the described governor circuit.
Described controller of capacitor energy storing apparatus adopts when welding and connects the some working method, the described some working method that connects just ought slam floor push (can be the starting switch of welding machine) when not unclamping, before can having welded, welds down a bit more automatically after any by welding machine, and constantly repeat spot welding, till floor push unclamps.
The control method of capacitance energy storage machine has adopted a kind of two-part discharge to control, and this control method is to be realized by programme-control, and its control method is divided following two parts, wherein:
(1) live part: after the control signal from described trigger board circuit enters into described governor circuit, allow charging through charging controllable silicon (SCR0), voltage and voltage setting value compare, and when greater than voltage setting value, finely tune discharge; Charge again during less than voltage setting value, be a kind of dynamic balance state.
(2) discharge portion: CPU receives from (realizing by the button that is provided with on the panel) behind the outside weldings discharge signal on the described panel, carries out two sections discharges, and first section is fine setting discharge, and voltage carries out second section welding discharge during to setting voltage value.
Carry out two sections discharges at every turn, discharge at same magnitude of voltage when reaching the welding discharge.
The invention has the beneficial effects as follows owing to adopted two sections discharge modes, after being charged to more than the setting value, carry out one section earlier and finely tune, welding discharge, can make the source of welding current stable to the setting voltage point, and the precision height; Secondly, the company's of providing some working method makes the work that bonding machine can be continuous, can weld after voltage all to be charged at every turn is charged to set point, has so just guaranteed can both weld at every turn, thereby can boost productivity; Also have, what be exactly that control device adopts is single chip computer control system, and Operation and Maintenance is simple, the control standard accurately, stable.Adopt soft, combination of hardware, Synchronization Control guarantees welding quality and precision height.Capacitance voltage can be that the 1V precision is adjustable arbitrarily from 35～400V, and circuit discharges and recharges rapidly, and welding current is stable, discharges and recharges the frequency height.Use digital display floater, made visual in image, simple to operate, the easy to use and exquisite appearance of operation interface, also be provided with keypad sounds, reminded the operator to operate success, prevented faulty operation.
Description of drawings
Fig. 1 is the block diagram of integrated circuit.
Fig. 2 is the main circuit theory diagram.
Fig. 3 is the main circuit schematic diagram.
Fig. 4 is an energy storage machine work wave characteristic schematic diagram.
Fig. 5 is charging flow figure.
Fig. 6 is discharge flow path figure.
Fig. 7 is the outside drawing of panel pad pasting.
Fig. 8 is the front schematic view that inside is provided with apparatus of the present invention bonding machine.
Fig. 9 is the side view that inside is provided with apparatus of the present invention bonding machine.
Symbol description
1: power switch; 2: reset key;
3: the welding button; 4: adjust button;
5: connect the some button; 6: charging press-key;
7: the voltage key; 8: voltage/counting key;
9: add, subtract, determine key; 10: time key;
11: options button; 12: power supply indicator;
13: charging indicator light; 14: step-up transformer;
15: rectifier bridge; 16: the charging controllable silicon;
17: electric capacity; 18: discharging thyristor;
19: the discharge transformer; 20: panel;
The 21:CPU motherboard circuit; 22: the trigger board circuit;
23: governor circuit; 24: the panel pad pasting;
R: resistance; S2: floor push
The specific embodiment
Condenser discharge spot welding is to utilize the electric capacity storage power, when energy can make the fusing of small size solder joint, and the electric capacity instantaneous discharge.Compare with other welding manner, AC machine for example, it is low to take instantaneous power from electrical network, each phase load equilibrium, power factor (PF) height, and can provide concentrated energy to the weld zone, can obtain the weldment that surface quality is good, distortion is little, can weld the non-ferrous metal that some heat-conductivity conductings are good, be difficult to weld, be suitable for welding the welding of aluminium, copper silver, nickel metal and alloy material.This welding method is used for industrial production in a large number, as five metals, household electrical appliances, electronics, industries such as metalware.And welding machine is made up of mechanical part and electric part, and circuit control is the core of resistance welded technology.The one-chip computer control technology is very extensive in the application of welding field, has become the main flow of welding resistance machine control system development.This machine serves as the control core with professional industry control single chip microcomputer, takes the condenser discharge welder control system of multiple software and hardware interference protection measure.
Embodiments of the invention provide a kind of controller of capacitor energy storing apparatus and control method thereof, this control device comprises panel 20, cpu motherboard circuit 21, trigger board circuit 22 and governor circuit 23, as shown in Figure 1, panel 20 is connected (not shown) with cpu motherboard circuit 21 by the button S1～S12 that is installed in the cpu motherboard circuit 21, connect by data wire between trigger board circuit 22 and the cpu motherboard circuit 21, trigger board circuit 22, be separately installed with transformer T3 between cpu motherboard circuit 21 and the governor circuit 23, transformer T4, wherein, governor circuit 23 comprises step-up transformer 14, rectifier bridge 15, charging controllable silicon 16, storage capacitor 17, discharging thyristor 18, discharge transformer 19, this discharge transformer 19 is used to welding work pieces that operating voltage is provided, as shown in Figures 2 and 3.Step-up transformer 14 (T1) is delivered to rectifier bridge 15 (D1) to the voltage from external power source through boosting, after rectification, in the control signal of charging controllable silicon 16 (SCR0) reception, make 16 conductings of charging controllable silicon, subsequently storage capacitor 17 (C1 and C from trigger board circuit 22
n) begin to charge, (SCR1～SCR4) receives from the trigger board circuit 22 outputs (control signal of G1～G4) at discharging thyristor 18 then, make it begin discharge, and passing to discharge transformer 19 (T2), the discharge by discharge transformer 19 (T2) at last is sent to operating voltage on the work package.
Trigger board circuit 22 is made up of printed circuit board (PCB) and the components and parts that are provided with above, on port G1, the port G2 of trigger board circuit 22 trigger board, port G3, port G4, respectively control signal is outputed to the K1 end of discharging thyristor SCR1, K 2 ends of discharging thyristor SCR2, the K3 end of discharging thyristor SCR3, the K4 end of discharging thyristor SCR4, the U port of trigger board and V port are connected to the two ends of floor push S2, are used to control the work of bonding machine.Cpu motherboard circuit in the cpu motherboard circuit 21 is the core circuit of control, is made up of CPU and peripheral circuit (not shown).
According to the characteristic of percussion welder work wave, as shown in Figure 4, the control method of capacitance energy storage machine is as follows:
This control device adopts the high-performance computer controller for the control core, programs to finish the control to complete machine.The key of control is how accurately to control charging voltage.Therefore the present invention has adopted a kind of two-part discharge to control, and realizes that welding current is stable.This control method is to realize that by programme-control its control method is divided two steps.
(1) is live part: after the control signal from the trigger board circuit enters into governor circuit, allow just storage capacitor to be charged after the charging through charging controllable silicon SCR 0, voltage and threshold voltage setting value compare, and when setting value greater than threshold voltage, finely tune discharge; Charge again when setting value, be a kind of dynamic balance state, as shown in Figure 5 less than threshold voltage.
(2) for discharge portion: CPU receives from carrying out two sections discharges behind the outside weldings discharge signal on the panel, first section is the fine setting discharge, and voltage carries out second section welding discharge during to setting voltage value.Carry out two sections discharges at every turn, discharge at same magnitude of voltage when reaching the welding discharge.Concrete control flow is Fig. 6 charging flow, discharge flow path.
When operating, as Fig. 8 and shown in Figure 9 in conjunction with bonding machine.At first plug in, power switch on the panel that closes, control panel gets electric, and power supply indicator is bright, enters duty; Adjust by " adjustment " key then, it is bright to adjust indicator lamp, and electrode presses down; By " adjustment " key, adjust indicator lamp and go out again, electrode rises.Set welding parameter again, welding process time and weldingvoltage, concrete operations realize by panel.And show the numeral of voltage/countings by three charactron viewing areas on the panel, start is defaulted as voltage and shows, switch to count status by " voltage/counting " key, show count value, workpiece of every weldering, numeral adds a numerical value, the highest counting is 99999, under count status (the counting indicator lamp is bright), by " voltage/counting " long key (about two seconds), the counting zero clearing is counted from the beginning again.Get back to the voltage show state by " voltage/counting " again.Adjusting such as air pressure, process time, voltage or configure after, by " welding " key, welding permission indicator lamp is bright, shows and can weld.Put into workpiece on the anchor clamps this moment again, or manual having good positioning, and steps on floor push, welds.Check that whether the weldment joint quality meets the requirements, and when below standard, resets and transfer big voltage parameter to adjust air pressure simultaneously, up to meeting the requirements.Turn off charge switch at last, step on floor push, powered-down switch then, the outside general supply of closing device is closed gas source switch.
Though with specific embodiment the present invention is described, have the knack of this skill person will know clearly can claims define below not breaking away from spirit of the present invention and scope in implement variations and modifications.No matter but it does any variation on shape or structure, the modification that every employing present technique is made all drops within protection scope of the present invention.
Claims (6)
1, a kind of controller of capacitor energy storing apparatus is characterized in that, comprises panel, cpu motherboard circuit, trigger board circuit and governor circuit,
Described panel is connected with described cpu motherboard circuit, connects by data wire between described trigger board circuit and the described cpu motherboard circuit, and described trigger board circuit, described cpu motherboard circuit are connected with described governor circuit;
Described governor circuit comprises step-up transformer, rectifier bridge, the charging controllable silicon, storage capacitor, discharging thyristor, the discharge transformer, described step-up transformer connects the input of described rectifier bridge, output series connection charging controllable silicon (SCR0) back of described rectifier bridge is in parallel with described storage capacitor, the two ends of described storage capacitor are connected to by discharging thyristor (two inputs of SCR1～SCR4) form, the output of this discharging thyristor connects described discharge transformer, step-up transformer (T1) is delivered to rectifier bridge (D1) to the voltage from external power source through boosting, after rectification, in the control signal of charging controllable silicon (SCR0) reception from the trigger board circuit, make the conducting of charging controllable silicon, (C1～Cn) begins charging to storage capacitor subsequently, (SCR1～SCR4) receives from the trigger board circuit output end (control signal of G1～G4) at discharging thyristor then, make it begin discharge, and pass to discharge transformer (T2), and provide operating voltage by the work for bonding machine behind this discharge transformer;
Described trigger board circuit comprises power circuit, air valve drive circuit, charging circuit, fine setting discharge circuit, discharge trigger circuit and the treatment circuit that is connected, described power circuit is used to circuit board that power supply is provided, described air valve drive circuit and described discharge trigger circuit are connected on the same interface simultaneously, and described treatment circuit then is connected respectively to described charging circuit and described fine setting discharge circuit.
2, controller of capacitor energy storing apparatus as claimed in claim 1, it is characterized in that, described panel comprises panel pad pasting, iron plate and sheet frame, described iron plate is arranged in the described sheet frame, its periphery is connected with described sheet frame, and in the same side of described iron plate and described sheet frame described panel pad pasting is set.
3, controller of capacitor energy storing apparatus as claimed in claim 2 is characterized in that, described cpu motherboard circuit is provided with charactron and button, presses the described button that it connects down by described panel pad pasting.
4, controller of capacitor energy storing apparatus as claimed in claim 1 is characterized in that, between described trigger board circuit and the described governor circuit, be respectively arranged with transformer between described cpu motherboard circuit and the described governor circuit.
5, controller of capacitor energy storing apparatus as claimed in claim 1 is characterized in that, described trigger board circuit is provided with floor push.
Based on the control method of a kind of controller of capacitor energy storing apparatus of claim 1, it is characterized in that 6, adopted a kind of two-part discharge to control, its control method is divided following two steps, wherein:
(1) live part: after the control signal from described trigger board circuit enters into described governor circuit, allow charging through charging controllable silicon (SCR0), voltage and voltage setting value compare, and when greater than voltage setting value, finely tune discharge; Charge again during less than voltage setting value;
(2) discharge portion: CPU receives from behind the outside weldings discharge signal on the described panel, carries out two sections discharges, and first section is fine setting discharge, and voltage carries out second section welding discharge during to setting voltage value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100655916A CN100478112C (en) | 2006-03-22 | 2006-03-22 | Controller of capacitor energy storing apparatus and its control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100655916A CN100478112C (en) | 2006-03-22 | 2006-03-22 | Controller of capacitor energy storing apparatus and its control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1817545A CN1817545A (en) | 2006-08-16 |
| CN100478112C true CN100478112C (en) | 2009-04-15 |
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| CNB2006100655916A Expired - Fee Related CN100478112C (en) | 2006-03-22 | 2006-03-22 | Controller of capacitor energy storing apparatus and its control |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386107B (en) * | 2008-06-17 | 2011-04-06 | 广州（从化）亨龙机电制造实业有限公司 | Capacitor storage welder and use method thereof |
| CN108746971B (en) * | 2018-07-23 | 2023-10-27 | 无锡市海鹰工程装备有限公司 | Capacitor energy storage spot welder |
| CN110773855A (en) * | 2019-09-20 | 2020-02-11 | 东莞市台七机械设备科技有限公司 | Energy storage spot welder device |
| CN111001915A (en) * | 2019-11-11 | 2020-04-14 | 东莞市台七机械设备科技有限公司 | Energy storage spot welder device |
-
2006
- 2006-03-22 CN CNB2006100655916A patent/CN100478112C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 电容储能式点焊机控制器. 李伟，王任政，刘燕鸣.沈阳建筑工程学院学报，第13卷第1期. 1997 |
| 电容储能式点焊机控制器. 李伟，王任政，刘燕鸣.沈阳建筑工程学院学报，第13卷第1期. 1997 * |
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