CN107738022A - A kind of lithium battery inverter welder circuit - Google Patents
A kind of lithium battery inverter welder circuit Download PDFInfo
- Publication number
- CN107738022A CN107738022A CN201711182143.9A CN201711182143A CN107738022A CN 107738022 A CN107738022 A CN 107738022A CN 201711182143 A CN201711182143 A CN 201711182143A CN 107738022 A CN107738022 A CN 107738022A
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- CN
- China
- Prior art keywords
- circuit
- lithium battery
- battery group
- voltage
- output
- 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.)
- Withdrawn
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 46
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 6
- 150000002641 lithium Chemical class 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
- B23K9/1043—Power supply characterised by the electric circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Arc Welding Control (AREA)
Abstract
The invention provides a kind of lithium battery inverter welder circuit, belong to electric welding machine circuit technical field.It solve the problems, such as existing welding machine carry, carry it is inconvenient.This lithium battery inverter welder circuit,Including lithium battery group B1,Voltage filtering circuit,Chopper circuit,Current filtering circuit,Control circuit,Selecting switch S1 and output end,Lithium battery group B1 is connected with voltage filtering circuit,For lithium battery group B1 output voltage to be adjusted to the weldingvoltage needed for electric welding machine welding,Inductance L1 one end is connected with lithium battery group B1 positive pole in chopper circuit,The other end is divided into two-way output,Output is connected with fast recovery diode D1 anode all the way,Another way output is connected with IGBT pipe Q1 colelctor electrode C poles,IGBT pipes Q1 emitter Es pole is connected with lithium battery group B1 negative pole,Base stage B poles are connected by drive circuit with Voltage Feedback and control circuit,Control circuit is connected to control the charging of electric welding machine and welded condition by selecting switch S1 with lithium battery group B1.The present invention has the advantages of without external AC power supply good portability.
Description
Technical field
The invention belongs to electric welding machine circuit technical field, is related to a kind of inverter type welder, more particularly to a kind of lithium battery inversion
Welder circuit.
Background technology
Inverter type welder is to export positive and negative polarities in high-temperature electric arc caused by instantaneous short circuit using welding machine come consumable electrode
On solder and materials to be welded, reach make they combine equipment.Two kinds can be divided into by out-put supply species electric welding machine, Yi Zhongshi
A.C. welder；One kind is dc welding machine.Whether A.C. welder or dc welding machine, when in use, it is required for leading to
Mains-supplied is crossed, therefore the use environment of electric welding machine must provide the AC power of certain capacity.And it can not be accessed for some
Civil power or city's capacitance are smaller, the less welding scene of welding capacity, such as field emergency maintenance, when power failure, then can not
Weld job is completed, now just needs a kind of portable electric welding machine being battery powered.It is usual for this welding situation
Way have two kinds：First, using generator and electric welding machine cooperating, powered, reached for electric welding machine by electrical power generators
Into the purpose of weld job.But this mode needs to use generator, it is complicated, it is necessary to often safeguard, generating equipment to be present in it
Machine starts the problems such as trouble, noise are big, it is necessary to using bavin Water Oil Or Gas, and use cost is high, and power generation process can produce pollution.
2nd, electrical storage device is installed additional on welding machine, although this mode can solve the above problems, its circuitry is complicated, cost
It is higher, waste serious, and equipment heaviness is not readily portable.Common two kinds of ways above, not only expend a large amount of manpower and materials,
And carry, carry it is extremely inconvenient, the disaster relief, rush to repair, speedily carry out rescue work, the emergent place such as first aid will the delay time at stop, cause life wealth
Production loss.
The content of the invention
The purpose of the present invention is to be directed to the above-mentioned problems in the prior art, there is provided one kind is without external AC
Source, the lithium battery inverter welder circuit of portability requirements is reached.
The purpose of the present invention can be realized by following technical proposal：A kind of lithium battery inverter welder circuit, including lithium electricity
Pond group B1, voltage filtering circuit, chopper circuit, current filtering circuit, control circuit, selecting switch S1 and output end, its feature
It is, described lithium battery group B1 is connected with voltage filtering circuit, for lithium battery group B1 output voltage to be adjusted into electric welding
Machine welds required weldingvoltage, and inductance L1 one end is connected with lithium battery group B1 positive pole in described chopper circuit, the other end
It is divided into two-way output, output all the way is connected with fast recovery diode D1 anode, another way output and IGBT pipe Q1 colelctor electrodes C
Pole is connected, and IGBT pipes Q1 emitter Es pole is connected with lithium battery group B1 negative pole, and base stage B poles pass through drive circuit and Voltage Feedback
And control circuit connection, described control circuit are connected to control the charging of electric welding machine by selecting switch S1 with lithium battery group B1
And welded condition.
In a kind of above-mentioned lithium battery inverter welder circuit, be connected in described control circuit PWM control and
Feedback circuit, described feedback circuit include Voltage Feedback and current feedback.
Voltage Feedback, current feedback and control circuit carry out voltage sample by the output to voltage filtering circuit, obtain
Sampled voltage, and a pwm signal is exported according to the sampled voltage, pwm signal is after IGBT pipe Q1 drive circuits, IGBT
Pipe Q1 performs conducting and blocking action by PWM frequency and pulsewidth, and when IGBT pipes Q1 is turned on, energy storage is in inductance；
When IGBT pipes Q1 ends, the energy release output in inductance.
In a kind of above-mentioned lithium battery inverter welder circuit, given circuit is connected with described control circuit.
In a kind of above-mentioned lithium battery inverter welder circuit, protection circuit is connected with described control circuit.
In a kind of above-mentioned lithium battery inverter welder circuit, it is provided between the negative pole and current feedback of the output end
Current divider, the specification of the current divider is 180A/75MV.
Compared with prior art, this lithium battery inverter welder circuit has the lithium electricity that weld job is carried out in the case of without electricity
Pond energy storage chopped-mode welding power supply, by carrying out voltage filter to lithium battery group, then by the copped wave electricity by electronic circuit control
Road, the output of the electric current, voltage needed for welding is realized, to solve the circuit complexity present in current electric welding machine installation battery,
Cost is higher, waste is serious and it is not readily portable the problem of.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of this lithium battery inverter welder circuit.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, this lithium battery inverter welder circuit, including lithium battery group B1, voltage filtering circuit, chopper circuit,
Current filtering circuit, control circuit, selecting switch S1 and output end, lithium battery group B1 are connected with voltage filtering circuit, for inciting somebody to action
Lithium battery group B1 output voltage adjusts the weldingvoltage needed for electric welding machine welding, inductance L1 one end and lithium electricity in chopper circuit
Pond group B1 positive pole connection, the other end are divided into two-way output, and output all the way is connected with fast recovery diode D1 anode, another
Road output is connected with IGBT pipe Q1 colelctor electrode C poles, and IGBT pipes Q1 emitter Es pole is connected with lithium battery group B1 negative pole, base stage B poles
Be connected by drive circuit with Voltage Feedback and control circuit, control circuit be connected by selecting switch S1 with lithium battery group B1 with
Control charging and the welded condition of electric welding machine.
PWM controls and feedback circuit are wherein connected in control circuit, described feedback circuit includes Voltage Feedback
And current feedback, given circuit and protection circuit are connected with control circuit.
Current divider is provided between the negative pole and current feedback of output end, the specification of the current divider is 180A/75MV.
During weld job, selecting switch S1 is thrown in welding position, and now given circuit has Setting signal voltage so that by mistake
Poor comparison point has negative signal voltage, and the voltage is amplified by the error of amplifier, integrated circuit control terminal is changed into high voltage,
PWM Breadth Maximums are exported, and welding current is set up rapidly, and also collection is sent to current feedback signal voltage immediately, when welding is given
Determine signal voltage and weld the welding electric current output that welding-cutting machine when feedback signal voltage reaches dynamic balancing remains stable.
When being charged for lithium battery group, selecting switch S1 is thrown in charge position, and socket is accessed into power network, and line voltage is just
Master control circuit board charging circuit input is sent to, this Current Voltage passes through commutation diode industrial frequency rectifying, capacitor filtering
Turn into more stable DC voltage afterwards.Managed by integrated circuit and MOSFET, isolated buck transformer, optocoupler integrated package, it is accurate
The current mode single-ended reverse exciting voltage-stabilized power supply of the compositions such as integrated package of pressure-stabilizing, fast-recovery commutation diode is whole by inversion, isolated buck
Stream, socket is output to after voltage stabilizing, and lithium battery group is charged.
Charging circuit prevents that battery pack from overshooting or overdischarge damages using intelligentized control method.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (4)
1. a kind of lithium battery inverter welder circuit, including lithium battery group B1, voltage filtering circuit, chopper circuit, current filtering electricity
Road, control circuit, selecting switch S1 and output end, it is characterised in that described lithium battery group B1 is connected with voltage filtering circuit,
For lithium battery group B1 output voltage to be adjusted to the weldingvoltage needed for electric welding machine welding, inductance in described chopper circuit
L1 one end is connected with lithium battery group B1 positive pole, and the other end is divided into two-way output, and output is with fast recovery diode D1's all the way
Anode is connected, and another way output is connected with IGBT pipe Q1 colelctor electrode C poles, and IGBT pipes Q1 emitter Es pole is negative with lithium battery group B1's
Pole is connected, and base stage B poles are connected by drive circuit with Voltage Feedback and control circuit, and described control circuit passes through selecting switch
S1 is connected with lithium battery group B1 to control the charging of electric welding machine and welded condition.
2. a kind of lithium battery inverter welder circuit according to claim 1, it is characterised in that divide in described control circuit
PWM controls and feedback circuit are not connected with, and described feedback circuit includes Voltage Feedback and current feedback.
A kind of 3. lithium battery inverter welder circuit according to claim 1 or 2, it is characterised in that described control circuit
On be connected with given circuit and protection circuit.
A kind of 4. lithium battery inverter welder circuit according to claim 1, it is characterised in that the negative pole of described output end
Current divider is provided between current feedback, the specification of the current divider is 180A/75MV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182143.9A CN107738022A (en) | 2017-11-23 | 2017-11-23 | A kind of lithium battery inverter welder circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182143.9A CN107738022A (en) | 2017-11-23 | 2017-11-23 | A kind of lithium battery inverter welder circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107738022A true CN107738022A (en) | 2018-02-27 |
Family
ID=61239214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711182143.9A Withdrawn CN107738022A (en) | 2017-11-23 | 2017-11-23 | A kind of lithium battery inverter welder circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107738022A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659979A (en) * | 2020-06-28 | 2020-09-15 | 萍乡市四通环保科技有限公司 | Power supply system of argon arc welding machine |
| WO2021179604A1 (en) * | 2020-03-11 | 2021-09-16 | 南京力骏新能源储能研究院有限公司 | Method for adjusting working current of lithium electric welding machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202062148U (en) * | 2011-05-20 | 2011-12-07 | 太原市星云焊接设备有限公司 | Inverter welding machine powered by solar energy |
| CN202474986U (en) * | 2012-02-28 | 2012-10-03 | 深圳麦格米特电气股份有限公司 | Charge circuit for lithium-ion battery pack |
| CN202565163U (en) * | 2012-05-28 | 2012-11-28 | 深圳华意隆电气股份有限公司 | Storage battery energy-storing and wave-chopping type welding-cutting power supply |
| CN203649616U (en) * | 2014-01-03 | 2014-06-18 | 国家电网公司 | DC electric arc welder |
| CN103862139A (en) * | 2014-03-24 | 2014-06-18 | 深圳市佳士科技股份有限公司 | Output control circuit with storage battery for electric welding machine |
| CN106712520A (en) * | 2016-07-25 | 2017-05-24 | 苏州绿恺动力电子科技有限公司 | Portable lithium battery pack-based inverter arc welding system of electric welding machine |
| CN207447573U (en) * | 2017-11-23 | 2018-06-05 | 浙江颐顿机电有限公司 | A kind of lithium battery inverter welder circuit |
-
2017
- 2017-11-23 CN CN201711182143.9A patent/CN107738022A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202062148U (en) * | 2011-05-20 | 2011-12-07 | 太原市星云焊接设备有限公司 | Inverter welding machine powered by solar energy |
| CN202474986U (en) * | 2012-02-28 | 2012-10-03 | 深圳麦格米特电气股份有限公司 | Charge circuit for lithium-ion battery pack |
| CN202565163U (en) * | 2012-05-28 | 2012-11-28 | 深圳华意隆电气股份有限公司 | Storage battery energy-storing and wave-chopping type welding-cutting power supply |
| CN203649616U (en) * | 2014-01-03 | 2014-06-18 | 国家电网公司 | DC electric arc welder |
| CN103862139A (en) * | 2014-03-24 | 2014-06-18 | 深圳市佳士科技股份有限公司 | Output control circuit with storage battery for electric welding machine |
| CN106712520A (en) * | 2016-07-25 | 2017-05-24 | 苏州绿恺动力电子科技有限公司 | Portable lithium battery pack-based inverter arc welding system of electric welding machine |
| CN207447573U (en) * | 2017-11-23 | 2018-06-05 | 浙江颐顿机电有限公司 | A kind of lithium battery inverter welder circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179604A1 (en) * | 2020-03-11 | 2021-09-16 | 南京力骏新能源储能研究院有限公司 | Method for adjusting working current of lithium electric welding machine |
| CN111659979A (en) * | 2020-06-28 | 2020-09-15 | 萍乡市四通环保科技有限公司 | Power supply system of argon arc welding machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180227 |