CN1374164A - Energy-storing multifunctional welding machine - Google Patents
Energy-storing multifunctional welding machine Download PDFInfo
- Publication number
- CN1374164A CN1374164A CN 02111459 CN02111459A CN1374164A CN 1374164 A CN1374164 A CN 1374164A CN 02111459 CN02111459 CN 02111459 CN 02111459 A CN02111459 A CN 02111459A CN 1374164 A CN1374164 A CN 1374164A
- Authority
- CN
- China
- Prior art keywords
- circuit
- energy
- welding
- welding machine
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
In the energy-storing multifunctional welding machine, the charge voltage of the energy-storing capacitors is selected via controlling the on-off of the AC zero-crossing solid relay, instead of voltage regulation of main transformer. At the same time, one sensitive and reliable voltage monitoring negative feedback system is designed to ensure the DC voltage fluctuation of energy-storing capacitors less than 0.2 %. The energy-storing multifunctional welding machine includes energy-storing capacitors, proportional voltage regulating system, welding output loop with thyristor switching assembly, voltage monitoring negative feedback system, thyristor triggering control system and power supply system. it may be used with various kind of welding guns.
Description
Technical field
The present invention relates to a kind of energy storage type welding machine, a kind of transless energy-storing multifunctional welding machine of more specifically saying so.
Background technology
The energy storage type welding machine is a kind of new method of welding efficiently.Its basic principle is: in the contact position of two metal objects instantaneous discharge, rapidly the contact position is heated to molten state by one group of charging capacitor, under certain pressure effect, two metal objects is welded together then.
Energy storage type stud welding machine and energy storage type bar for line welding machine etc. are arranged at present, and the former is with the electrical arc discharge, and the latter discharges with the resistance form.Welding machine is made up of power supply, control system and welding gun three parts.The power work principle of pre-contact and preset clearance formula capacitor discharge stud welding machine is identical, welding machine is made up of the discharge circuit of the charging circuit of capacitor, charging voltage regulating circuit, capacitor and reset circuit and control system, and its main power source is to change by the charging voltage that the angle of flow of control system control main power transformer is controlled storage capacitor to work.
Because energy storage type welding machine instantaneous discharge, the heat affected area is little, mother metal does not have remaining vestiges such as distortion, variable color, adds energy-conservation, nuisanceless, the simple and easy efficient height of operation, thereby is widely used in industries such as household electrical appliance, electronics, machinery, automobile, shipbuilding, aviation, five metals.Yet existing energy storage type welding machine is because of wherein including heavy main power transformer, big, the Heavy Weight of volume not only, and idle power consumption is big, and function singleness, thereby influences its result of use and economic benefit.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of function is many, volume is little, no pressure regulation main power transformer, weight are relatively light, output voltage stabilization, welding quality height, safe and reliable novel energy-storing formula welding machine.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: select required voltage to replace main circuit transformer pressure regulation in the existing energy storage type welding machine by the break-make that adopts control alternating current zero crossing type solid-state relay, the weight of this transformer generally will account for the over half of energy storage type welding machine weight, and alternating current zero crossing type solid-state relay is not only to the interference noise of external power little (place of the every 220V of having mains lighting supply all can be used), life-span is long, and volume is little, (only tens grams) in light weight, can save many spaces, and the space that these are vacateed just can be used to lay more capacitor, this capacity that has just enlarged welding machine promptly increases welding power, improve welding quality, and then enlarged the scope of application of welding machine.The design of the present invention simultaneously has a reliable voltage monitoring degeneration factor of sensitivity, when the voltage on the energy-storage capacitor group reaches setting value, can cut off electric power system automatically, guarantees that the fluctuation of VD is not more than 0.2%.
The present invention includes housing, energy-storage capacitor group, switch, indicator lamp, air cooling equipment, welding gun, voltage display and electronic circuit; its circuit includes charging circuit, welding on-off circuit, control circuit, discharge circuit, holding circuit and DC-stabilized circuit; it is characterized in that adopting transformerless mode that the required different voltages of welding job are regulated, its operating circuit connects work by the following method:
The present invention includes low-voltage, big capacity energy-storage capacitor group, be connected with the welding switch loop of a polyphone of forming by switch module, workpiece and welding gun between described capacitor group positive and negative polarities, when the voltage at capacitor group two ends reaches the magnitude of voltage of setting, press the welding switch, just make this loop conducting, finish welding job; Also be connected with an overvoltage crowbar that includes pressure cell and relay composition between its energy-storage capacitor group positive and negative polarities; when in case capacitor group two ends allow operating voltage owing to circuit abnormality causes voltage to surpass maximum; this relay power then; its normally closed interlock is disconnected, cut off charge circuit.
The present invention includes the rectifier bridge charging circuit, and being connected in series between rectifier bridge and electric main plug is provided with charge and discharge switch in the loop, and it has two pairs of contacts, corresponding respectively two duties of charging and discharging; Being connected with one on the rectifier bridge one input includes by the current limliting transient resistance, first pair of series circuit that normally-closed contact forms in proper order of charge relay (alternating current zero crossing type solid-state relay) and over voltage relay, be connected with ratio pressure regulation alternating current zero crossing type solid-state relay on another input, the series circuit that the second pair of normally-closed contact of over voltage relay and the contact of charge and discharge switch form in proper order, its output one tunnel links to each other with the positive pole of energy-storage capacitor, also link to each other simultaneously with another contact of charge and discharge switch, another road of its output links to each other with the negative pole of energy-storage capacitor, and they constitute charge circuit by above-mentioned connected mode.
The present invention includes control circuit, it is welded the voltage negative reponse system of the circuits for triggering system of on-off circuit break-make, the ratio voltage-regulating system of controlling charging rate, setting welding machine bonding power and is provided the circuit of D.C. regulated power supply to constitute by control, and they are controlling the duty and the process of whole welding machine.
Described energy-storing multifunctional welding machine welding on-off circuit specifically is constructed as follows: two IGCTs are connected with workpiece with welding gun respectively during welding, connect with energy-storage capacitor then and constitute a welding circuit by two groups of normally opened contact control of welding relay break-make, when the charging voltage of storage capacitor reaches setting value, press the welding switch, just can finish welding job.
The triggering control system of described energy-storing multifunctional welding machine includes by the welding switch, integrated circuit, triode, the circuit that relay and light emitting diode are formed, welding switch one tunnel is connected with the output of D.C. regulated power supply, another road can be switched between the power input that welds the control integrated circuit or ratio voltage regulating line and voltage negative feedback circuit power input, during welding, it switches in the power input that welds the control integrated circuit and communicates, the charge circuit outage, isolate extraneous high pressure, the personal safety guarantee is provided, the energising of welding integrated circuit, trigger output high-potential voltage, and then make the triode conducting, the relay coil energising, light emitting diode is bright, the normally open contact closure of expression welding relay, circuits for triggering send signal, make the welding circuit conducting; Described welding switch has auto-lock function, have only again by once, it just disconnects with welding control circuit power input, connection ratio voltage regulating line and pressure sensitive voltage negative-feedback circuit power input, charge circuit begins conducting, so just can guarantee that electric energy in the energy-storage capacitor group all is released into keeps below the electric current, guarantees security, the reliability of welding job.
The circuit of the control charging rate of described energy-storing multifunctional welding machine constitutes by including the pulse signal generator that potentiometer, integrated circuit and alternating current zero crossing type solid-state relay form; Adjusting bulk potential device can be controlled AC power and by selected dutycycle electric current be delivered to rectifier bridge, and dutycycle is higher, and charging rate is faster, and operating efficiency is high more, if but the power supply capacity of use occasion is less, and then have to the dutycycle selection is low.
The voltage negative feedback circuit of described setting bonding power includes alternating current zero crossing type solid-state relay, transistor, light emitting diode, pressure cell group (as piezo-resistance) and power selector switch, the base stage of transistor links to each other with the positive pole of pressure cell group with the energy-storage capacitor group by resistance, the conducting voltage of pressure cell can according to working condition (such as weldering double-screw bolt diameter) select, here be divided into five grades, and be connected with change-over switch, can choose by the knob on the control panel.
Described energy-storing multifunctional welding machine, it is in series with a homemade current limliting transient resistance that certain inductance is arranged in charge circuit, and it not only can limit normal charging current, the moment surge current in the time of also can suppressing to charge beginning.
Described its structure of self-control current limliting transient resistance is for to nail on the magnetic tube that is with an insulation at an oval gong, be wound with the multi-turn resistance wire in described magnetic tube outside, the magnetic tube two ends are isolated with resistance wire and mounting bracket with insulation board, the resistance of making so not only has certain resistance, also has certain inductance value.
Described energy-storing multifunctional welding machine is connected to earth leakage protective device on the alternating current inlet wire, in case the 220V alternating current just can be cut off the electricity supply when human body or Leaked Current of Line to Ground are surpassed 30mA immediately.
Described energy-storing multifunctional welding machine is serially connected with temperature-sensitive element between welding switch and the power input that exchanges ratio voltage regulating line and voltage negative feedback circuit, this temperature-sensitive element is installed on the current limliting transient resistance, when the temperature of this resistance surpasses the value of setting, this element momentary interruption, cut off the charge control system power supply, thereby cut off charge circuit, and set value when following when temperature drops to, it is conducting automatically again, and welding machine can begin to carry out charging work again.
Enough cavity volume spaces are arranged in its housing of described energy-storing multifunctional welding machine, on the front end face of mainframe box, control panel is arranged, the snap joint that below control panel, has welding gun to be connected with main frame; Negative pole busbar and anode conducting row, control system power transformer, control system module and the main line module of plate big current thyristor assembly, energy-storage capacitor group, described energy-storage capacitor group are arranged in the cavity volume of mainframe box, and these two modules are installed on the capacitor anode busbar with discharge resistance; The supply socket of on the rear end face of mainframe box, laying cooling fan, laying earth leakage protective device with the band fuse of current limliting transient resistance, power supply in air inlet one side of fan; Above the housing of mainframe box handle is installed, owing to adopt modular epoxy sealing circuit, it is very compact to make the interior whole space of welding machine cabinet arrange, and is convenient to install and repair.
Described energy-storing multifunctional welding machine, its course of work is as follows: at first, the welding switch is in and the welding circuit off-state, press charge and discharge switch, to the charging of energy-storage capacitor group, all can choose in advance by the speed of charging and the height of voltage by charge circuit for extraneous power supply, when voltage is charged to setting value, the charge circuit automatic disconnection, isolate with extraneous high voltage source, light emitting diode is bright, and expression can begin welding job, press the welding switch this moment, just can finish welding job.In the whole process of charging, if the temperature on energy-storage capacitor two ends operating voltage unusual (greater than the maximum operating voltage of setting) or the current limliting transient resistance is too high, then charge circuit will quit work until recovering normal, and charge circuit can be resumed work again automatically.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention;
Fig. 2 is a control system circuit diagram of the present invention;
Fig. 3 is a workflow diagram of the present invention;
Fig. 4 is a kind of main frame layout of the present invention;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is a current limliting transient resistance structure chart of the present invention.
The specific embodiment
1～7 embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Basic principle of the present invention as shown in Figure 1.It includes fuse 1; earth leakage protective device 2; cooling fan 3; charge and discharge switch 4; temperature-sensitive element 5 (in the control system of Fig. 2); proportion expression pressure regulation alternating current zero crossing type solid-state relay 6; charge relay (also being alternating current zero crossing type solid-state relay) 7; current limliting transient resistance 8; rectifier bridge 9; discharge resistance 10; pressure cell 11; overvoltage protection relay 12; energy-storage capacitor group 13; trigger electrode biasing resistor 14; 19; IGCT 15; 20; trigger relay contact 16; 18; control system 23; voltage display 17 and welding gun 21; workpiece 22.
The main frame of energy-storing multifunctional welding machine of the present invention (referring to Fig. 2) comprises that energy-storage capacitor group 13, welding output loop thyristor switch assembly 31, voltage monitoring degeneration factor 32, alternating current zero crossing type solid-state relay ratio voltage-regulating system 33, welding output loop IGCT trigger control system 34 and power-supply system 35.When the output direct current signal from energy-storage capacitor group 13 reached certain setting value, voltage sensor element (as the piezo-resistance) conducting in the voltage monitoring degeneration factor 32 made triode VT
2Base stage uprise current potential, triode VT
2Conducting, solid-state relay SSR
2Because of its input pin 3. the step-down current potential end (being conducting state during charging), charge circuit disconnects, simultaneously luminescent diode LED
1Shinny, show that the magnitude of voltage on the energy-storage capacitor group 13 has reached the setting value target.The conducting voltage of piezo-resistance can be selected according to weldering double-screw bolt diameter, is divided into five grades of R here
1～R
5, and with change-over switch K
2Connect, can choose by the knob on the control panel.In ratio voltage-regulating system 33, there is one by alternating current zero crossing type solid-state relay SSR
1, ic chip
4And the impulse generator of potentiometer RP formation, just can control AC power by adjusting bulk potential device RP and by selected dutycycle electric current be delivered to rectifier bridge 9, dutycycle is higher, and charging rate is faster, as the power supply capacity of use occasion hour, dutycycle should be selected low.Trigger in the control system 34 K switch on welding gun at welding output loop IGCT
1When pressing, ic chip
3Energising, trigger output high potential, triode VT
1Conducting, relay J
2Contact J
2-1, J
2-2Closure is as welding the IGCT SCR that switch is used
1, SCR
2Become conducting state by cut-off state, the electric current in the energy-storage capacitor group 13 discharges rapidly at this moment, produces instantaneous welding heat source.Because the power supply of connection ratio voltage control system 33 and voltage monitoring degeneration factor 32 is disconnected, make solid-state relay SSR simultaneously
1, SSR
2Power supply input signal is zero, and the contact disconnects, and cuts off charge circuit, and therefore outside High Level AC Voltage can not enter welding circuit, thereby has guaranteed the reliability and the security of whole system.K switch
1The band auto-lock function must repeat by the K switch on welding gun
1, could recover to 13 chargings of energy-storage capacitor group.This control form has two big benefits: one, can guarantee security, its two, can guarantee that electric energy in the energy-storage capacitor group 13 all is released into to keep below the electric current, guarantee IGCT SCR
1, SCR
2Reliably end.Power-supply system 35 provides stable 12V dc source and 5V digital display power supply for The whole control system.
Its workflow of described energy-storing multifunctional welding machine as shown in Figure 3, at first, the welding switch switches in the state with ratio voltage regulating line and the energising of voltage negative feedback circuit power input, press charge and discharge switch 4, when making it be in charge position 4-1, extraneous electric energy is by over voltage relay contact 12-1,12-2, proportion expression Voltage regulating relay 6, charge relay 7, current limliting transient resistance 8, rectifier bridge heap 9, to 13 chargings of energy-storage capacitor group, when the voltage of energy-storage capacitor group 13 reaches setting value, charge relay 7 can be automatically with dump, light emitting diode is bright, and the expression electricity is sufficient, presses welding K switch 1 this moment, the contact 16 of welding relay, 18 are switched on, two IGCTs 15,20 become conducting state by cut-off state, form a discharge welding circuit, finish welding job.Corresponding being cut off of power supply of proportion expression Voltage regulating relay 6 and charge relay 7 during welding, charge circuit turn-offs, and makes AC power can not enter welding circuit, being perfectly safe when guaranteeing work.Overvoltage protection relay contact 12-1,12-2 are normally closed type, in charging process, when making 13 overvoltages of energy-storage capacitor group unusually as if operating voltage; pressure cell 11 conductings; make relay contact 12-1,12-2 become open circuit, thereby cut off charge circuit, energy-storage capacitor group 13 stops charging.Temperature-sensitive element 5 is used for when the temperature of current limliting transient resistance surpasses setting value, and this element momentary interruption is cut off the charge control system power supply, thereby cut-out charge circuit, and drop to setting value when following when temperature, and its conducting automatically again, welding machine can begin to carry out charging work again.Discharge resistance 10 is to be used for reset circuit, and when charge and discharge switch 4 was in discharge position 4-2, energy-storage capacitor group 13 formed a series loop with it, and electric current is drained.
Enough cavity volume spaces (referring to Fig. 4,5,6) are arranged in its housing of described energy-storing multifunctional welding machine, control panel 42 is arranged on the front end face of mainframe box 43, the snap joint 41 that below control panel, has welding gun to be connected with main frame; Negative pole busbar 413 and anode conducting row 414, control system power transformer 410, control system module 46 and the main line module 47 (it is encapsulated in the rectifier bridge in the circuit, proportion expression pressure regulation zero-cross ssr, charge relay and over voltage relay in the plastic casing) of plate big current thyristor assembly 45, energy-storage capacitor group 43, described energy-storage capacitor group are arranged in the cavity volume of mainframe box, and these two modules are installed on the capacitor anode busbar 413 with discharge resistance 10; The supply socket 412 of on the rear end face of mainframe box, laying cooling fan 48, laying earth leakage protective device 411 with the band fuse 1 of current limliting transient resistance 8, power supply in air inlet one side of fan; Handle 44 is installed above the housing of mainframe box, owing to adopt modular epoxy sealing circuit, it is very compact to make the interior whole space of welding machine cabinet arrange, and is convenient to install and repair.
Described its structure of self-control current limliting transient resistance (referring to Fig. 7) is for being with the magnetic tube 52 of an insulation on an oval gong nail 51, be wound with multi-turn resistance wire 53 in described magnetic tube outside, the magnetic tube two ends are isolated with resistance wire and mounting bracket 55 with insulation board 54, the resistance of making so not only has certain resistance, also has certain inductance value, when charging beginning in a flash, it can not only limit normal charging current like this, the moment surge current in the time of also can suppressing to charge beginning.
One of function of main frame of the present invention: be applied to stud welding gun;
Two of the function of main frame of the present invention: be applied to the bar for line welding gun;
Three of the function of main frame of the present invention: be applied to meson butt-joint rifle;
Four of the function of main frame of the present invention: be applied to the stainless steel spot welding pincers.
Protection scope of the present invention is not limited to the restriction of embodiment, such as substituting controllable silicon with relay or substitute piezo-resistance or still belong to protection scope of the present invention with the alternative integrated circuit impulse generator of impulse generator that discrete component constitutes with the transient state diode in holding circuit in welding circuit.
Claims (10)
1. energy-storing multifunctional welding machine; it includes housing, is included in energy-storage capacitor group, switch, indicator lamp, cooling device, welding rifle, voltage display in the housing; its circuit includes charging circuit, welding on-off circuit, control circuit, discharge circuit, holding circuit and DC power supply circuit, it is characterized in that its operating circuit connects layout: a, storage capacitor (13) by the following method
1) two interpolars are connected with and include switch module (15), the welding switch loop of the polyphone that workpiece (22) and welding gun (21), switch module (20) order are formed,
2) connect a series circuit that includes pressure cell (11) and relay (12) composition, relay (12) control normally-closed contact (12-1) and break-make (12-2), b, charging rectifier bridge (9) between positive and negative polarities
1) being connected in series between rectifier bridge and electric main plug is provided with charge and discharge switch (4) in the loop, and it has two pairs of contacts (4-1), (4-2),
2) be connected with a series circuit that includes by normally-closed contact (12-2) the order formation of current limliting transient resistance (8), charge relay (7) and over voltage relay (12) on the one input,
3) be connected with the series circuit that contact (4-1) order of the normally-closed contact (12-1) of AC voltage adjusting zero-cross ssr (6), over voltage relay (12) and charge and discharge switch (4) forms on another input,
4) its output one tunnel links to each other with the positive pole of energy-storage capacitor (13), also link to each other simultaneously with the contact (4-2) of charge and discharge switch (4),
5) another road of its output links to each other with the negative pole of energy-storage capacitor (13), and c, described control circuit (23) further include
1) circuits for triggering (34) of control welding on-off circuit break-make,
2) the ratio regulating circuit (33) of control charging rate,
3) voltage negative feedback circuit (32) of setting bonding power,
4) provide the direct current regulation circuit (35) of control system power supply.
2. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: described welding on-off circuit (31) specifically is constructed as follows: IGCT SCR
1(20) and IGCT SCR
2Be connected with workpiece (22) with welding gun (21) respectively when (15) welding, connecting with storage capacitor (13) then constitutes one by relay J
2Contact J
2-2(16), J
2-1(18) welding circuit of control break-make.
3. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: one of described welding on-off circuit (31) needs trigger control system (34) and come its triggering is controlled, and described triggering control system includes the welding K switch
1, IC
3, triode VT
1, relay J
2And LED
2
4. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: the circuit of described control charging rate (33) includes potentiometer (RP), IC
4With solid-state relay SSR
1
5. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: the voltage negative feedback circuit of described setting bonding power (32) includes solid-state relay SSR
2, triode VT
2, LED
1, pressure cell group (R
1～R
5) and power selector switch K
2, VT
2Base stage by resistance and pressure cell group (R
1～R
5) link to each other with the positive pole of energy-storage capacitor group (13).
6. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: connecting one between solid-state relay (7) and rectifier bridge (9) input in charge circuit has the current limliting transient resistance of certain inductance (8).
7. energy-storing multifunctional welding machine as claimed in claim 1, it is characterized in that: described current limliting transient resistance structure is: the magnetic tube (52) that is with an insulation on an oval gong nail (51), be wound with multi-turn resistance wire (53) in described magnetic tube outside, the magnetic tube two ends are isolated with resistance wire (53) and mounting bracket (55) with insulation board (54).
8. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: be connected to earth leakage protective device (2) on the alternating current inlet wire.
9. energy-storing multifunctional welding machine as claimed in claim 1 is characterized in that: going here and there between welding K switch 1 and the power input that exchanges ratio Regulation Control circuit (33) and voltage negative feedback circuit (32) has temperature-sensitive element (5).
10. energy-storing multifunctional welding machine as claimed in claim 1, it is characterized in that: enough cavity volume spaces are arranged, the snap joint (41) that control panel (42) is arranged, below control panel, have welding gun to be connected in its housing on the front end face of mainframe box (43) with main frame; Negative pole busbar (413) and anode conducting row (414), control system power transformer (410), control system circuit module (46) and the main line module (47) of plate big current thyristor assembly (45), energy-storage capacitor group (13), described capacitor group are arranged in the cavity volume of mainframe box, and these two modules are installed on the negative pole busbar (413) of capacitor group (13) with discharge resistance (10); The supply socket (412) of on the rear end face of mainframe box, laying cooling fan (48), laying earth leakage protective device (411) with the band fuse (1) of current limliting transient resistance (8), power supply in air inlet one side of fan; Handle (44) is installed above the housing of mainframe box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021114595A CN1172766C (en) | 2002-04-22 | 2002-04-22 | Energy-storing multifunctional welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021114595A CN1172766C (en) | 2002-04-22 | 2002-04-22 | Energy-storing multifunctional welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1374164A true CN1374164A (en) | 2002-10-16 |
| CN1172766C CN1172766C (en) | 2004-10-27 |
Family
ID=4741577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021114595A Expired - Fee Related CN1172766C (en) | 2002-04-22 | 2002-04-22 | Energy-storing multifunctional welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1172766C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111744A (en) * | 2013-01-15 | 2013-05-22 | 苏州华亚电讯设备有限公司 | Capacitor energy storage transformer-free multifunctional electric welding machine |
| CN103357997A (en) * | 2013-06-27 | 2013-10-23 | 深圳市鸿栢科技实业有限公司 | Multifunctional stored energy stud welding device |
| CN104907672A (en) * | 2015-05-26 | 2015-09-16 | 湖州炎弘电子有限公司 | Novel automatic electric welding machine with auxiliary discharging mechanism |
| CN105618921A (en) * | 2016-01-21 | 2016-06-01 | 陕西理工学院 | Miniature capacitive energy storage welding circuit |
| CN107470746A (en) * | 2017-09-25 | 2017-12-15 | 陈炳周 | Low current input, the energy storage of High-current output release condenser discharge welder |
| CN108907427A (en) * | 2018-09-18 | 2018-11-30 | 优尼恩电机（大连）有限公司 | Multiple layer metal welder and its welding method |
| CN109079286A (en) * | 2018-08-27 | 2018-12-25 | 上海锅炉厂有限公司 | TIG weld isolated from power interface circuit |
| 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 |
| CN114178654A (en) * | 2021-12-23 | 2022-03-15 | 中国核动力研究设计院 | Welding circuit and portable adjustable impulse welding machine |
| CN115066308A (en) * | 2020-02-06 | 2022-09-16 | 株式会社欧利生 | Bonding apparatus and method for manufacturing bonded member |
| CN115156670A (en) * | 2022-07-01 | 2022-10-11 | 浙江上势自动焊接科技有限公司 | Wireless control method of stud welding equipment |
| CN117359072A (en) * | 2023-12-05 | 2024-01-09 | 深圳比斯特自动化设备有限公司 | Power supply safety protection circuit of spot welder |
-
2002
- 2002-04-22 CN CNB021114595A patent/CN1172766C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111744A (en) * | 2013-01-15 | 2013-05-22 | 苏州华亚电讯设备有限公司 | Capacitor energy storage transformer-free multifunctional electric welding machine |
| CN103111744B (en) * | 2013-01-15 | 2015-05-13 | 苏州华亚电讯设备有限公司 | Capacitor energy storage transformer-free multifunctional electric welding machine |
| CN103357997A (en) * | 2013-06-27 | 2013-10-23 | 深圳市鸿栢科技实业有限公司 | Multifunctional stored energy stud welding device |
| CN104907672A (en) * | 2015-05-26 | 2015-09-16 | 湖州炎弘电子有限公司 | Novel automatic electric welding machine with auxiliary discharging mechanism |
| CN104907672B (en) * | 2015-05-26 | 2016-08-24 | 湖州炎弘电子有限公司 | Automatization's electric welding machine with auxiliary discharge mechanism |
| CN105618921A (en) * | 2016-01-21 | 2016-06-01 | 陕西理工学院 | Miniature capacitive energy storage welding circuit |
| CN107470746A (en) * | 2017-09-25 | 2017-12-15 | 陈炳周 | Low current input, the energy storage of High-current output release condenser discharge welder |
| CN109079286A (en) * | 2018-08-27 | 2018-12-25 | 上海锅炉厂有限公司 | TIG weld isolated from power interface circuit |
| CN109079286B (en) * | 2018-08-27 | 2024-02-02 | 上海锅炉厂有限公司 | TIG welding power isolation interface circuit |
| CN108907427A (en) * | 2018-09-18 | 2018-11-30 | 优尼恩电机（大连）有限公司 | Multiple layer metal welder and its welding method |
| 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 |
| CN115066308A (en) * | 2020-02-06 | 2022-09-16 | 株式会社欧利生 | Bonding apparatus and method for manufacturing bonded member |
| CN115066308B (en) * | 2020-02-06 | 2023-10-24 | 株式会社欧利生 | Bonding device and method for manufacturing bonded component |
| CN114178654A (en) * | 2021-12-23 | 2022-03-15 | 中国核动力研究设计院 | Welding circuit and portable adjustable impulse welding machine |
| CN115156670A (en) * | 2022-07-01 | 2022-10-11 | 浙江上势自动焊接科技有限公司 | Wireless control method of stud welding equipment |
| CN115156670B (en) * | 2022-07-01 | 2023-08-04 | 浙江上势自动焊接科技有限公司 | Wireless control method of stud welding equipment |
| CN117359072A (en) * | 2023-12-05 | 2024-01-09 | 深圳比斯特自动化设备有限公司 | Power supply safety protection circuit of spot welder |
| CN117359072B (en) * | 2023-12-05 | 2024-02-02 | 深圳比斯特自动化设备有限公司 | Power supply safety protection circuit of spot welder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1172766C (en) | 2004-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1172766C (en) | Energy-storing multifunctional welding machine | |
| CN101932170B (en) | Circuit and method for driving a load, electric system and controller | |
| CN101400472B (en) | High current AC welder | |
| CN103069928B (en) | Direct current power supply device | |
| KR20090096322A (en) | Bipolar (dis)charging led drive method and circuit thereof | |
| CN100405729C (en) | Power supply with surge voltage control functions | |
| CN1065561A (en) | Automatic charge cut-off circuit and application thereof | |
| CN103260303A (en) | Portable lighting device, and method and controller for controlling power supply to load | |
| CN1057938A (en) | Power supply | |
| CN103582248A (en) | Power supply device, lighting device, lighting fixture using the same, and vehicle | |
| CN201076966Y (en) | Multifunctional welding machine | |
| CN201499093U (en) | High-frequency switch power supply | |
| CN108879591A (en) | High current power supply protection circuit | |
| EP0948241A2 (en) | Method and apparatus for supplying power to light emitting diodes | |
| JP4761209B2 (en) | Power converter using electric double layer capacitor and electric double layer capacitor charging method | |
| KR100358764B1 (en) | inverter air conditioner control Method and apparatus | |
| CN201950342U (en) | Control circuit of IGBT inversion type arc-welding machine and circuit board structure thereof | |
| CN202963742U (en) | Inversion arc welding machine adopting single-tube insulated gate bipolar transistor (IGBT) single board | |
| CN1664965A (en) | Electromagnet system control device | |
| CN210731323U (en) | Energy storage stud welding machine adopting two groups of capacitors to alternately charge and discharge | |
| CN2234839Y (en) | Electricity-saving controller for electric welding machine | |
| CN101998743A (en) | Topological T-type network driver principle and control method | |
| CN201109140Y (en) | Capacitor energy-accumulation nailing machine | |
| CN2222374Y (en) | DC power source for electric station (factory) | |
| CN200981020Y (en) | Energy-saving type electric dust-cleaning apparatus high-frequency pulse power controlling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |