CN103737166A - Welding method for intermediate frequency inverted resistance welding machine - Google Patents
Welding method for intermediate frequency inverted resistance welding machine Download PDFInfo
- Publication number
- CN103737166A CN103737166A CN201310710574.3A CN201310710574A CN103737166A CN 103737166 A CN103737166 A CN 103737166A CN 201310710574 A CN201310710574 A CN 201310710574A CN 103737166 A CN103737166 A CN 103737166A
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- China
- Prior art keywords
- welding
- transformation
- welding machine
- voltage
- inverter module
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Classifications
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- 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
-
- 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
- B23K11/25—Monitoring devices
- B23K11/252—Monitoring devices using digital means
- B23K11/257—Monitoring devices using digital means the measured parameter being an electrical current
-
- 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
- B23K11/25—Monitoring devices
- B23K11/252—Monitoring devices using digital means
- B23K11/258—Monitoring devices using digital means the measured parameter being a voltage
Abstract
The invention discloses a welding method for an intermediate frequency inverted resistance welding machine. The intermediate frequency inverted resistance welding machine comprises a main controller, a human-computer interface, an inverter module, a voltage transforming and rectifying circuit, an electric current collecting device and a voltage sensor. According to the intermediate frequency inverted resistance welding machine, the working frequency of the system is 1800 HZ, the sampling frequency and the control accuracy are improved unprecedentedly, meanwhile the welding transformer size is reduced, welding parameters are adjusted according to actual conditions of contact resistors to be performed point welding, the electric current and the time are intelligently controlled, and cold joints and the like are effectively avoided.
Description
Technical field
The present invention relates to a kind of welding method of medium-frequency inverting resistance welding machine.
Background technology
At present, resistance welder major part on market is all to adopt the method for AC-DC-AC-DC converter to weld, main controller controls inverter module changes into direct current alternating current and is transferred to transformation and rectification circuit, the alternating current that transformation and rectification circuit transform inverter module carries out transformation, rectification is processed into direct current and supplies with welding machine welding use, most welding machine operating frequency is 1000HZ, the welding machine of this frequency causes the volume ratio of welding transformer larger, sample frequency and control accuracy are lower, and most of medium frequency inverter welding machine directly welds according to setup parameter, do not carry out actual tracking and cause solder joint rosin joint.
Summary of the invention
The technical problem that the present invention solves is that the defect existing for prior art provides a kind of welding method that can adjust according to the actual conditions for the treatment of solder joint the medium-frequency inverting resistance welding machine of welding parameter.
The present invention is for solving the problems of the technologies described above, by the following technical solutions:
A welding method for medium-frequency inverting resistance welding machine, described medium frequency inverter welding machine comprises master controller, inverter module, transformation and rectification circuit, current collecting device and voltage sensor; Described inverter module changes into direct current alternating current and is transferred to transformation and rectification circuit, the alternating current that described transformation and rectification circuit transform inverter module carries out transformation, rectification is processed into direct current and supplies with welding machine welding use, and described current collecting device and voltage induced device gather transformation and rectification circuit is exported galvanic electric current and voltage and passes to master controller; Described welding method comprises the steps:
Step 1, a test pulse of main controller controls inverter module output, simultaneously by voltage, the electric current of current collecting device and voltage induced device collection transformation and rectification circuit output;
Step 2, master controller calculate the contact resistance of point to be welded according to the voltage, the galvanometer that gather;
Step 3, master controller are adjusted welding parameter according to the contact resistance size for the treatment of solder joint;
Step 4, welding machine complete normal welding according to the welding parameter of adjusting.
Preferably, the operating frequency of described inverter module is 1800HZ.
Preferably, in step 3, described welding parameter is electric current and the time of welding.
Adopt after such scheme, the invention has the beneficial effects as follows:
The present invention can adjust welding parameter according to the actual conditions for the treatment of solder joint contact resistance, carried out the intellectuality control of electric current, voltage and time, secondly adopt 1800HZ operating frequency, sample frequency and control accuracy have all obtained unprecedented raising, welding transformer volume has also reduced simultaneously, has effectively avoided rosin joint phenomenon.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention;
The specific embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is elaborated.
As shown in Figure 1, described medium frequency inverter welding machine comprises man-machine interface, master controller, inverter module, transformation and rectification circuit, current collecting device and voltage sensor; Described current collecting device can be selected Luo-coil, transformer in described transformation and rectification circuit can be selected welding transformer, described man-machine interface can be passed to master controller by parameter preset, described inverter module changes into direct current alternating current and is transferred to transformation and rectification circuit, the alternating current that described transformation and rectification circuit transform inverter module carries out transformation, rectification is processed into direct current and supplies with welding machine welding use, and described current collecting device and voltage induced device gather transformation and rectification circuit is exported galvanic electric current and voltage and passes to master controller;
Its welding method: by man-machine interface, welding condition is set during beginning and welding condition is passed to master controller, master controller is being received after enabling signal, sends pwm signal and removes a test pulse of control inverter output; Current collecting device and voltage induced device gather transformation and rectification circuit is exported galvanic electric current and voltage and passes to master controller, and master controller calculates contact resistance size after voltage sample and current sample; According to contact resistance size, go to adjust electric current and the time of this welding job; Corresponding relation about welding parameters such as contact resistance and voltage, electric currents can draw by experiment in advance, can show by experiment that the welding parameters such as the corresponding great voltage and current of great resistance just can complete normal welding, after adjustment finishes, master controller starts to carry out welding job by the parameter after adjusting; Follow the tracks of actual value, PI adjusting deviation, reaches desired value, completes normal welding; The operating frequency of inverter module is 1800HZ.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection domain of the present invention.
Claims (3)
1. a welding method for medium-frequency inverting resistance welding machine, described medium frequency inverter welding machine comprises master controller, inverter module, transformation and rectification circuit, current collecting device and voltage sensor; Described inverter module changes into direct current alternating current and is transferred to transformation and rectification circuit, the alternating current that described transformation and rectification circuit transform inverter module carries out transformation, rectification is processed into direct current and supplies with welding machine welding use, and described current collecting device and voltage induced device gather transformation and rectification circuit is exported galvanic electric current and voltage and passes to master controller; It is characterized in that, described welding method comprises the steps:
Step 1, a test pulse of main controller controls inverter module output, simultaneously by voltage, the electric current of current collecting device and voltage induced device collection transformation and rectification circuit output;
Step 2, master controller calculate the contact resistance of point to be welded according to the voltage, the galvanometer that gather;
Step 3, master controller are adjusted welding parameter according to the contact resistance size for the treatment of solder joint;
Step 4, welding machine complete normal welding according to the welding parameter of adjusting.
2. the welding method of medium-frequency inverting resistance welding machine according to claim 1, is characterized in that: the operating frequency of described inverter module is 1800HZ.
3. the welding method of medium-frequency inverting resistance welding machine according to claim 1, is characterized in that: in step 3, described welding parameter is electric current and the time of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710574.3A CN103737166B (en) | 2013-12-20 | 2013-12-20 | A kind of welding method of medium-frequency inverting resistance welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710574.3A CN103737166B (en) | 2013-12-20 | 2013-12-20 | A kind of welding method of medium-frequency inverting resistance welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103737166A true CN103737166A (en) | 2014-04-23 |
| CN103737166B CN103737166B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310710574.3A Active CN103737166B (en) | 2013-12-20 | 2013-12-20 | A kind of welding method of medium-frequency inverting resistance welding machine |
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| Country | Link |
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| CN (1) | CN103737166B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096959A (en) * | 2014-08-04 | 2014-10-15 | 合肥国声电子通信有限责任公司 | Manual intermediate frequency welding control cabinet |
| CN109317799A (en) * | 2018-11-21 | 2019-02-12 | 广州市精源电子设备有限公司 | Spot welding power output adjusting method, device, system and storage medium |
| CN112276324A (en) * | 2020-12-30 | 2021-01-29 | 季华科技有限公司 | Be used for articulated resistance welding device of car wiring harness wire |
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| JP3320477B2 (en) * | 1993-02-05 | 2002-09-03 | 本田技研工業株式会社 | Method and apparatus for controlling welding current of inverter type DC resistance welding machine |
| CN101104219A (en) * | 2007-06-18 | 2008-01-16 | 华南理工大学 | High frequency contravariant direct-current spot-welding power supply device and its application |
| CN102000900A (en) * | 2010-10-21 | 2011-04-06 | 赵玉林 | Digital intelligent electric welder |
| CN103128432A (en) * | 2013-02-26 | 2013-06-05 | 苏州工业园区明益电器有限公司 | Energy-saving middle-frequency-inverting automatic gang bonder with multiple transformers |
| CN103394801A (en) * | 2013-08-16 | 2013-11-20 | 天津商科数控设备有限公司 | Non-splashing dynamically heating self-adaptive resistance welding method for automobile metal sheets |
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2013
- 2013-12-20 CN CN201310710574.3A patent/CN103737166B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3320477B2 (en) * | 1993-02-05 | 2002-09-03 | 本田技研工業株式会社 | Method and apparatus for controlling welding current of inverter type DC resistance welding machine |
| CN101104219A (en) * | 2007-06-18 | 2008-01-16 | 华南理工大学 | High frequency contravariant direct-current spot-welding power supply device and its application |
| CN102000900A (en) * | 2010-10-21 | 2011-04-06 | 赵玉林 | Digital intelligent electric welder |
| CN103128432A (en) * | 2013-02-26 | 2013-06-05 | 苏州工业园区明益电器有限公司 | Energy-saving middle-frequency-inverting automatic gang bonder with multiple transformers |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096959A (en) * | 2014-08-04 | 2014-10-15 | 合肥国声电子通信有限责任公司 | Manual intermediate frequency welding control cabinet |
| CN104096959B (en) * | 2014-08-04 | 2016-01-20 | 合肥国声电子通信有限责任公司 | A kind of manual intermediate frequency welding switch board |
| CN105345245A (en) * | 2014-08-04 | 2016-02-24 | 合肥国声电子通信有限责任公司 | Manual intermediate-frequency welding control cabinet |
| CN105397259A (en) * | 2014-08-04 | 2016-03-16 | 合肥国声电子通信有限责任公司 | Control method for welding controller of manual intermediate-frequency welding control cabinet |
| CN105397259B (en) * | 2014-08-04 | 2017-10-03 | 合肥国声电子通信有限责任公司 | Welding controller control method in a kind of manual intermediate frequency welding switch board |
| CN109317799A (en) * | 2018-11-21 | 2019-02-12 | 广州市精源电子设备有限公司 | Spot welding power output adjusting method, device, system and storage medium |
| CN112276324A (en) * | 2020-12-30 | 2021-01-29 | 季华科技有限公司 | Be used for articulated resistance welding device of car wiring harness wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103737166B (en) | 2016-06-15 |
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Address after: 211100 NO.115 Xingmin South Road, moling street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu xiante Intelligent Equipment Co.,Ltd. Address before: NO.115, Xingmin South Road, Science Park, Jiangning District, Nanjing City, Jiangsu Province, 211112 Patentee before: JIANGSU CEMT ENERGY EQUIPMENT Co.,Ltd. |
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