CN108746971A - Condenser type spot welder - Google Patents
Condenser type spot welder Download PDFInfo
- Publication number
- CN108746971A CN108746971A CN201810810287.2A CN201810810287A CN108746971A CN 108746971 A CN108746971 A CN 108746971A CN 201810810287 A CN201810810287 A CN 201810810287A CN 108746971 A CN108746971 A CN 108746971A
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- Prior art keywords
- silicon
- condenser type
- spot welder
- type spot
- controlled
- Prior art date
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 57
- 239000010703 silicon Substances 0.000 claims abstract description 57
- 238000003466 welding Methods 0.000 claims abstract description 49
- 230000005611 electricity Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005622 photoelectricity Effects 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 4
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 3
- 101000741885 Homo sapiens Protection of telomeres protein 1 Proteins 0.000 description 3
- 102100038745 Protection of telomeres protein 1 Human genes 0.000 description 3
- 101150105073 SCR1 gene Proteins 0.000 description 3
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/26—Storage discharge welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention discloses a kind of condenser type spot welders, belong to electronic circuit technology field.The condenser type spot welder includes isolating transformer, rectification circuit, first silicon-controlled, energy capacitance set, second silicon-controlled, the first welding electrode and the second welding electrode, wherein：The rectification circuit carries out rectification to the alternating current that the isolating transformer exports, and the voltage output end of the rectification circuit is electrically connected with the described first silicon-controlled input terminal；Described first silicon-controlled output end is electrically connected with one end of the energy capacitance set, and the described first silicon-controlled output end is also electrically connected with first welding electrode；The other end of the energy capacitance set is grounded；Second welding electrode is connected with the described second silicon-controlled input terminal, the described second silicon-controlled output end ground connection；Solve the problems, such as that solder joint melting rate is low in the related technology, not prison welding is solid.
Description
Technical field
The present invention relates to electronic circuit technology field, more particularly to a kind of condenser type spot welder.
Background technology
Condenser type spot welder is to store energy using capacitance, when capacitance is by welding electrode instantaneous discharge, welding electricity
Electric current between pole can make the fusing of small area solder joint to realize welding.
It is increasing to the demand of alkaline battery currently on the market.It, need to be by alkaline electro in the production process of alkaline battery
Cathode cap and the brass rod in pond weld together, and brass rod and the weldering of cathode cap must be mutually perpendicular to.In order to ensure to be born after welding
Trace is not burnt on polar cap surface, and the adding tool mold between cathode cap surface and welding electrode is needed to solve.However, at present
Capacitive energy storage electric welding machine in using welding resistance transformer to supply voltage carry out transformation, the secondary windings number of turns of welding resistance transformer is very
Cause output voltage low less；And welding battery cathode cap has the conductor resistance of moulds of industrial equipment contact resistance and connecting mold, with
And other resistance（Welding electrode and cathode cap contact resistance, brass rod resistance etc.）So that the electric current generated between welding electrode
Smaller, low so as to cause solder joint melting rate, not prison welding is solid problem.
Invention content
In order to solve the problems, such as that solder joint melting rate is low in the prior art, not prison welding is solid, an embodiment of the present invention provides one
Kind condenser type spot welder.The condenser type spot welder includes isolating transformer, rectification circuit, first silicon-controlled, energy storage is electric
Appearance group, second silicon-controlled, the first welding electrode and the second welding electrode, wherein：
The rectification circuit carries out rectification, the voltage output of the rectification circuit to the alternating current that the isolating transformer exports
End is electrically connected with the described first silicon-controlled input terminal；
Described first silicon-controlled output end is electrically connected with one end of the energy capacitance set, the described first silicon-controlled output end
Also it is electrically connected with first welding electrode；
The other end of the energy capacitance set is grounded；
Second welding electrode is connected with the described second silicon-controlled input terminal, the described second silicon-controlled output termination
Ground.
Optionally, the output voltage of the isolating transformer is 55V.
Optionally, the condenser type spot welder further includes first voltage comparator, second voltage comparator and RS triggerings
Device, wherein：
The negative input of the first voltage comparator, the electrode input end of second voltage comparator and described first are silicon-controlled
Output end electrical connection, the first voltage comparator is by the upper limit value of the voltage of the energy capacitance set and weldingvoltage range
Compare, the second voltage comparator is by the voltage of the energy capacitance set compared with the lower limiting value of weldingvoltage range；
The output end of the first voltage comparator is connected with the ends reset R of the rest-set flip-flop；
The output end of the second voltage comparator is connected with the ends set S of the rest-set flip-flop；
The end of the rest-set flip-flop is electrically connected with the described first silicon-controlled control terminal.
Optionally, the ends Q of the rest-set flip-flop are connected with two input terminals of predetermined NAND gate, the predetermined NAND gate
Output end be connected with the input terminal of light emitting diode, the output end of light emitting diode ground connection.
Optionally, the electrode input end of second voltage comparator is connected with one end of first resistor, the first resistor
The other end be connected with the described first silicon-controlled output end；The electrode input end of the first voltage comparator is also by extremely
A few resistance eutral grounding；
And/or
The negative input of the second voltage comparator is electrically connected with one end of second resistance, 3rd resistor respectively, and described
The other end of two resistance is connected with the described first silicon-controlled output end, the other end ground connection of the 3rd resistor.
Optionally, the negative input of the first voltage comparator, the electrode input end of second voltage comparator and
One end of four resistance is connected, and one end of the 4th resistance is also connected with one end of multiturn potentiometer, the multi-turn current potential
The other end of device is grounded, and the other end of the 4th resistance is electrically connected with the ungrounded end of the energy capacitance set.
Optionally, the rectification circuit is bridge rectifier.
Optionally, the condenser type spot welder further includes triode, floor push and relay, and the of the triode
One pole is electrically connected with one end of the energy capacitance set, and the second pole ground connection of the triode, one group of the relay is normally opened to be touched
One in point is electrically connected with one end of the condenser type spot welder, another in one group of normally opened contact is with described three
The control terminal of pole pipe is connected, and one end of the relay coil is electrically connected with one end of the energy capacitance set, the coil
The other end be connected with one end of the floor push, the other end of floor push ground connection.
Optionally, the condenser type spot welder further includes photoelectrical coupler, and the photoelectrical coupler is electric by the energy storage
Appearance group charge circuit is isolated with the discharge loop of the energy capacitance set.
Optionally, the ends Q of the rest-set flip-flop are connected with the input terminal of photoelectrical coupler, the photoelectrical coupler it is defeated
Outlet is connected with the described the one the silicon-controlled control terminals.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
By provide a kind of condenser type spot welder include isolating transformer, rectification circuit, first silicon-controlled, energy capacitance set,
Second silicon-controlled, the first welding electrode and the second welding electrode, wherein：The alternation electricity that rectification circuit exports isolating transformer
Stream carries out rectification, and the voltage output end of rectification circuit is electrically connected with the first silicon-controlled input terminal；First silicon-controlled output end
It is electrically connected with one end of energy capacitance set, the first silicon-controlled output end is also electrically connected with the first welding electrode；Energy capacitance set
The other end ground connection；Second welding electrode is connected with the second silicon-controlled input terminal, the second silicon-controlled output end ground connection；By
Welding resistance transformer is eliminated in condenser type spot welder, eliminates the copper loss and iron loss of transformer itself, the first welding electrode,
Second welding electrode can generate larger welding current, solve in the related technology that solder joint melting rate is low, not prison welding is solid asks
Topic；Achieve the effect that improve firm welding degree.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of electrical schematic diagram for condenser type spot welder that one embodiment of the invention provides；
Fig. 2 is the wiring diagram of control panel and other components in a kind of condenser type spot welder of one embodiment of the invention offer.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The present invention provides a kind of condenser type spot welder, Fig. 1 is a kind of electrical schematic diagram of condenser type spot welder.Such as
Shown in Fig. 1, which includes isolating transformer B1, rectification circuit, the first controllable silicon SCR 1, energy capacitance set
C1, the second controllable silicon SCR 2 and a group welding electrode, the group welding electrode include the first welding electrode T1, the second welding electrode
T2, wherein：
Rectification circuit carries out rectification to the alternating current that isolating transformer B1 is exported, and the voltage output end of rectification circuit and first can
Control the input terminal electrical connection of silicon SCR1；The output end of first controllable silicon SCR 1 is electrically connected with one end of energy capacitance set C1, and first
The output end of controllable silicon SCR 1 is also electrically connected with the first welding electrode T1；The other end of energy capacitance set C1 is grounded；Second welding
Electrode T2 is connected with the input terminal of the second controllable silicon SCR 2, the output end ground connection of the second controllable silicon SCR 2.
When the first controllable silicon SCR 1 is connected, energy capacitance set C1 charges；First after energy capacitance set C1 charging completes
Controllable silicon SCR 1 is ended, and energy capacitance set C1 passes through the first welding electrode T1, the second welding if the second controllable silicon SCR 2 is connected
Electrode T2 release currents so that solder joint fusing is to complete to weld between the first welding electrode T1, the second welding electrode T2.
Wherein, rectification circuit can be bridge rectifier, as shown in Figure 1, rectification circuit can be diode D1, D2,
The bridge rectifier of D3 and D4 compositions；Rectification circuit exports the input terminal of one end and the first controllable silicon SCR 1 of DC voltage
Electrical connection.
Optionally, the output voltage of isolating transformer B1 is 55V, input voltage 220V, transformation ratio 4.The present embodiment
Come for 55V with the output voltage of isolating transformer B1 for example, the output voltage of isolating transformer B1 in actual implementation
Can be other values, such as 50V.
In one example, condenser type spot welder further includes triode Q4, floor push K2 and relay JD, triode
The first pole of Q4 is electrically connected with one end of energy capacitance set C1, the second pole ground connection of triode Q4, and one group of relay JD is normally opened
One in the JD-1 of contact is electrically connected with one end of condenser type spot welder, another and triode Q4 in one group of normally opened contact
Control terminal be connected, one end of the coil JD-2 of relay JD is electrically connected with one end of energy capacitance set C1, coil it is another
End is connected with one end of floor push K2, the other end ground connection of floor push K2.
After energy capacitance set C1 charging completes, user can make relay JD energization conductings by stepping on floor push K2,
To the group welding electrode discharge for making the second controllable silicon SCR 2 that energy capacitance set C1 be caused to pass through condenser type spot welder
Complete welding.
In one example, condenser type spot welder further includes first voltage comparator U4A, second voltage comparator U4D
And rest-set flip-flop, wherein：
The negative input of first voltage comparator U4A, the electrode input end of second voltage comparator U4D and first are silicon-controlled
The output end of SCR1 is electrically connected（That is, being electrically connected with the ungrounded ends energy capacitance set C1）, first voltage comparator U4A will store up
The voltage of energy capacitance group C1 is compared with the upper limit value of weldingvoltage range, and second voltage comparator U4D is by energy capacitance set C1's
Voltage is compared with the lower limiting value of weldingvoltage range；The ends the reset R phase of the output end of first voltage comparator U4A and rest-set flip-flop
Connection；The output end of second voltage comparator U4D is connected with the ends set S of rest-set flip-flop；The end of rest-set flip-flop and first can
Control the control terminal electrical connection of silicon SCR1.
Wherein, defeated in the electrode input end of the negative input of first voltage comparator U4A, second voltage comparator U4D
The voltage entered is the voltage of energy capacitance set C1；When the voltage of energy capacitance set C1 is less than the lower limiting value of weldingvoltage range,
The output high level of rest-set flip-flop so that the conducting of the first controllable silicon SCR 1 carries out the charging of energy capacitance set C1；In storage capacitor
When the voltage of group C1 is higher than the upper limit value of weldingvoltage range, the output low level of rest-set flip-flop so that the first controllable silicon SCR 1
Cut-off is to stop the charging of energy capacitance set C1.
Wherein, weldingvoltage adjustable range is less than the voltage of isolating transformer B1 outputs, the lower limiting value of weldingvoltage range
On the basis of voltage, the summation of voltage and hysteresis voltage on the basis of the upper limit value of weldingvoltage range.For example, being in reference voltage
30V, when hysteresis voltage is 0.5V, weldingvoltage ranging from [30V, 30.5V].
Optionally, the electrode input end of second voltage comparator U4D is connected with one end of first resistor R7, first resistor
The other end of R7 is connected with the output end of the first controllable silicon SCR 1；The 5th electricity of electrode input end of first voltage comparator U4A
Hinder R8, the 6th resistance R14 ground connection, the 5th resistance R8, the 6th resistance R14 series connection；The negative input of second voltage comparator U4D
It is electrically connected respectively with one end of second resistance R5,3rd resistor R6, the other end of second resistance R5 and the first controllable silicon SCR 1
Output end is connected, the other end ground connection of 3rd resistor R6.
As shown in Figure 1, the 12nd foot of the 2nd foot of first voltage comparator U4A, second voltage comparator U4D are welding electricity
Given side is pressed, the 13rd foot of the upper limit control terminal of the 3 foot weldingvoltage ranges of first voltage comparator U4A, second pin is weldering
Connect the lower limit control terminal of voltage range；Resistance R5, R6 constitute the upper limit value control that a divider carries out weldingvoltage range, electricity
Resistance R7, R8, R14 constitute the lower limiting value control that another divider carries out weldingvoltage range.
Optionally, the negative input of first voltage comparator U4A, second voltage comparator U4D electrode input end with
One end of 4th resistance R4 is connected, and one end of the 4th resistance R4 is also connected with one end of multiturn potentiometer POT1, multi-turn electricity
The other end ground connection of position device POT1, the other end of the 4th resistance R4 are electrically connected with the ungrounded end of energy capacitance set C1.Multi-turn electricity
Position device POT1 can be used to continuously weld the reference voltage of voltage range, and returning for weldingvoltage range can be changed by changing the 6th R14 resistance values
Potential difference.
Optionally, the ends Q of rest-set flip-flop are connected with two input terminals of predetermined NAND gate U3C, predetermined NAND gate U3C's
Output end is connected with the input terminal of light emitting diode D17, the output end ground connection of light emitting diode D17.In energy capacitance set C1
Weldingvoltage（That is, the voltage at the both ends energy capacitance set C1）When higher than upper limit value, light emitting diode D17 is lit to prompt
The charging complete of energy capacitance set C1.
Optionally, first voltage comparator U4A and/or second voltage comparator U4D is with LM324 integrated chips.
Optionally, rest-set flip-flop is made of an integrated chip CD4011.In the application, CD4011 chips include 4 with
NOT gate, but only used wherein 3.
Optionally, the condenser type spot welder further includes photoelectrical coupler, and the photoelectrical coupler is electric by the energy storage
Appearance group C1 charge circuits are isolated with the discharge loop of the energy capacitance set C1.
In one example, the ends Q of rest-set flip-flop are connected with the input terminal of photoelectrical coupler 4N37, photoelectrical coupler
The output end of 4N37 is connected with the one the silicon-controlled control terminals.
In addition, condenser type spot welder partial circuit can be integrated to circuit board, such as rest-set flip-flop, first voltage compare
Device, second voltage comparator etc..For example, as shown in Figure 2 in condenser type spot welder control panel and other components wiring
Figure.
It should be noted that：The application does not illustrate the connection relation of all components of condenser type spot welder,
Connection relation between condenser type spot welder includes in the application all components and each component can be found in Fig. 1 institutes
Show, the application no longer repeats one by one.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of condenser type spot welder, which is characterized in that the condenser type spot welder includes isolating transformer, rectified current
Road, first silicon-controlled, energy capacitance set, second silicon-controlled, the first welding electrode and the second welding electrode, wherein：
The rectification circuit carries out rectification, the voltage output of the rectification circuit to the alternating current that the isolating transformer exports
End is electrically connected with the described first silicon-controlled input terminal；
Described first silicon-controlled output end is electrically connected with one end of the energy capacitance set, the described first silicon-controlled output end
Also it is electrically connected with first welding electrode；
The other end of the energy capacitance set is grounded；
Second welding electrode is connected with the described second silicon-controlled input terminal, the described second silicon-controlled output termination
Ground.
2. condenser type spot welder according to claim 1, which is characterized in that the output voltage of the isolating transformer is
55V。
3. condenser type spot welder according to claim 1, which is characterized in that the condenser type spot welder further includes
One voltage comparator, second voltage comparator and rest-set flip-flop, wherein：
The negative input of the first voltage comparator, the electrode input end of second voltage comparator and described first are silicon-controlled
Output end electrical connection, the first voltage comparator is by the upper limit value of the voltage of the energy capacitance set and weldingvoltage range
Compare, the second voltage comparator is by the voltage of the energy capacitance set compared with the lower limiting value of weldingvoltage range；
The output end of the first voltage comparator is connected with the ends reset R of the rest-set flip-flop；
The output end of the second voltage comparator is connected with the ends set S of the rest-set flip-flop；
The end of the rest-set flip-flop is electrically connected with the described first silicon-controlled control terminal.
4. condenser type spot welder according to claim 3, which is characterized in that the ends Q of the rest-set flip-flop with it is predetermined with
Two input terminals of NOT gate are connected, and the output end of the predetermined NAND gate is connected with the input terminal of light emitting diode, described
The output end of light emitting diode is grounded.
5. condenser type spot welder according to claim 3, which is characterized in that the electrode input end of second voltage comparator
It is connected with one end of first resistor, the other end of the first resistor is connected with the described first silicon-controlled output end；Institute
The electrode input end of first voltage comparator is stated also by least one resistance eutral grounding；
And/or
The negative input of the second voltage comparator is electrically connected with one end of second resistance, 3rd resistor respectively, and described
The other end of two resistance is connected with the described first silicon-controlled output end, the other end ground connection of the 3rd resistor.
6. condenser type spot welder according to claim 3, which is characterized in that the cathode of the first voltage comparator is defeated
Enter end, the electrode input end of second voltage comparator is connected with one end of the 4th resistance, one end of the 4th resistance also with
One end of multiturn potentiometer is connected, the other end of multiturn potentiometer ground connection, the other end of the 4th resistance with it is described
The ungrounded end of energy capacitance set is electrically connected.
7. condenser type spot welder according to claim 1, which is characterized in that the rectification circuit is bridge rectifier electricity
Road.
8. condenser type spot welder according to claim 1, which is characterized in that the condenser type spot welder further includes three
First pole of pole pipe, floor push and relay, the triode is electrically connected with one end of the energy capacitance set, three pole
Second pole of pipe is grounded, and one end of one in one group of normally opened contact of the relay and the condenser type spot welder is electrically connected
It connects, another in one group of normally opened contact is connected with the control terminal of the triode, one end of the relay coil
It is electrically connected with one end of the energy capacitance set, the other end of the coil is connected with one end of the floor push, described
The other end of floor push is grounded.
9. condenser type spot welder according to claim 3, which is characterized in that the condenser type spot welder further includes light
Electric coupler, the photoelectrical coupler by the discharge loop of the energy capacitance set charge circuit and the energy capacitance set every
From.
10. condenser type spot welder according to claim 9, which is characterized in that the ends Q of the rest-set flip-flop and photoelectricity coupling
The input terminal of clutch is connected, and the output end of the photoelectrical coupler is connected with the described the one the silicon-controlled control terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810287.2A CN108746971B (en) | 2018-07-23 | 2018-07-23 | Capacitor energy storage spot welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810287.2A CN108746971B (en) | 2018-07-23 | 2018-07-23 | Capacitor energy storage spot welder |
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| Publication Number | Publication Date |
|---|---|
| CN108746971A true CN108746971A (en) | 2018-11-06 |
| CN108746971B CN108746971B (en) | 2023-10-27 |
Family
ID=63971092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810287.2A Active CN108746971B (en) | 2018-07-23 | 2018-07-23 | Capacitor energy storage spot welder |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03230870A (en) * | 1989-10-23 | 1991-10-14 | Origin Electric Co Ltd | Condenser type spot welding machine |
| CN2614831Y (en) * | 2003-03-25 | 2004-05-12 | 杨民成 | Low-voltage capacity efficient energy-accumulating butt-joint welder |
| CN1817545A (en) * | 2006-03-22 | 2006-08-16 | 深圳市骏腾发焊接设备有限公司 | Controller of capacitor energy storing apparatus and its control |
| WO2007051422A1 (en) * | 2005-11-04 | 2007-05-10 | Zhang, Xiaobing | A rivet welding machine with low energy storing capacitor |
| 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 |
| CN204657725U (en) * | 2015-05-30 | 2015-09-23 | 林志明 | A kind of mash welder control circuit |
| CN206509631U (en) * | 2017-01-13 | 2017-09-22 | 天津赛阳机械有限公司 | A kind of zero point delayed trigger circuit |
| CN208600885U (en) * | 2018-07-23 | 2019-03-15 | 无锡市海鹰工程装备有限公司 | Condenser type spot welder |
-
2018
- 2018-07-23 CN CN201810810287.2A patent/CN108746971B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03230870A (en) * | 1989-10-23 | 1991-10-14 | Origin Electric Co Ltd | Condenser type spot welding machine |
| CN2614831Y (en) * | 2003-03-25 | 2004-05-12 | 杨民成 | Low-voltage capacity efficient energy-accumulating butt-joint welder |
| WO2007051422A1 (en) * | 2005-11-04 | 2007-05-10 | Zhang, Xiaobing | A rivet welding machine with low energy storing capacitor |
| CN1817545A (en) * | 2006-03-22 | 2006-08-16 | 深圳市骏腾发焊接设备有限公司 | Controller of capacitor energy storing apparatus and its control |
| 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 |
| CN204657725U (en) * | 2015-05-30 | 2015-09-23 | 林志明 | A kind of mash welder control circuit |
| CN206509631U (en) * | 2017-01-13 | 2017-09-22 | 天津赛阳机械有限公司 | A kind of zero point delayed trigger circuit |
| CN208600885U (en) * | 2018-07-23 | 2019-03-15 | 无锡市海鹰工程装备有限公司 | Condenser type spot welder |
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| Publication number | Publication date |
|---|---|
| CN108746971B (en) | 2023-10-27 |
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