CN203278619U - Single-plate type inversion welding/cutting machine device - Google Patents
Single-plate type inversion welding/cutting machine device Download PDFInfo
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- CN203278619U CN203278619U CN 201320336996 CN201320336996U CN203278619U CN 203278619 U CN203278619 U CN 203278619U CN 201320336996 CN201320336996 CN 201320336996 CN 201320336996 U CN201320336996 U CN 201320336996U CN 203278619 U CN203278619 U CN 203278619U
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Abstract
The utility model relates to the field of welding/cutting equipment, in particular to a single-plate type inversion welding/cutting machine device. The single-plate type inversion welding/cutting machine device mainly comprises a main power supply board as well as a main control circuit board and an auxiliary power supply circuit board which are inserted on the main power supply board; the main power supply board includes a power frequency rectification circuit, a soft start circuit, a filtering circuit, a half-bridge inversion circuit, an intermediate-frequency voltage-decreasing circuit and an intermediate-frequency rectification circuit which are arranged on a circuit board of the main power supply board; the main control circuit board is connected with the half-bridge inversion circuit and the intermediate frequency rectification circuit; and the auxiliary power supply circuit board is connected with the filtering circuit and the main control circuit board. The inversion welding/cutting machine device of the utility model is advantageous in simple and concise overall structure, convenience in production and installation, aid in automated production, reduction of crosstalk between components and greatly improved safety.
Description
Technical field
The utility model relates to the welding and cutting device field, is specifically related to a kind of only board-like Contravariant welding-cutting machine device
Background technology
In the power supply of present inversion weldering cutting machine, it is all that each power section of inverter is installed respectively, its flow direction according to electric flux is passed through successively: industrial frequency rectifying, power frequency filtering, medium frequency inverter, intermediate frequency step-down, intermediate frequency rectification constant power module, and each power section consists of by the wire cascade, therefore, it causes complete machine power model quantity more, and structure is in disorder, and installation, debugging and after-sales service, maintenance are all very inconvenient.And when carrying out the assembling of complete machine, it is high to matching requirements, and personnel amount and operative skill are all had higher requirements, and is unfavorable for the control of business manpower cost.Moreover, all use in a large number unsettled wire in power switching device, ferromagnetic element, strong power part, weak current part, control signal circuit and power inverter circuit in complete machine, intersection mixes, very easily make the electromagnetic disturbance signal industrial frequency rectifying, power frequency filtering, medium frequency inverter, intermediate frequency step-down, intermediate frequency rectification, etc. crosstalk between each parts, other electric equipments on the control circuit of severe jamming the machine and same electrical network.And high pressure strong power part and low pressure light current control section be easy to intertwine, and has very large personal safety hidden danger
Summary of the invention
For overcoming defects, the purpose of this utility model namely is to provide a kind of only board-like Contravariant welding-cutting machine device.
The purpose of this utility model is achieved through the following technical solutions:
The utility model is a kind of only board-like Contravariant welding-cutting machine device, comprising: main power board, master control circuit board, auxiliary power circuit plate,
Described main power board comprises: be arranged on industrial frequency rectifying circuit, soft starting circuit, filter circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit and intermediate frequency rectification circuit on the circuit board of main power board, in described main power board, electric current is after the input process industrial frequency rectifying circuit and soft starting circuit of main power board, successively after filtration after wave circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit, intermediate frequency rectification circuit, enter the output of main power board, described main power board is provided with main control circuit plate interface and auxiliary power circuit plate interface;
Described master control circuit board is plugged on described main power board by the main control circuit plate interface, and its with described half-bridge inversion circuit be connected the intermediate frequency rectification circuit and be connected, be used for transmitting control signal and receiving the current/voltage feedback signal that described intermediate frequency rectification circuit sends to described half-bridge inversion circuit;
Described auxiliary power circuit plate is plugged on described main power board by the auxiliary power circuit plate interface, and its with described filter circuit be connected master control circuit board and be connected, be used for obtaining direct voltage from filter circuit, and provide direct current energy for described master control circuit board.
Further, be provided with in described half-bridge inversion circuit: insulated gate bipolar transistor, also be provided with driving pulse shaping circuit plate interface on described main power board, described half-bridge inversion circuit is connected with driving pulse shaping circuit plate by described driving pulse shaping circuit plate interface, and described driving pulse shaping circuit plate is used for current pulse signal with half-bridge inversion circuit and carries out shaping, removes to drive the insulated gate bipolar transistor in half-bridge inversion circuit after distributing.
Further, also comprise: frame, the front panel of described frame is provided with panel circuit, and described panel circuit is connected with master control circuit board by wire, be used for to master control circuit board input operation parameter signal, and the display that master control circuit board sends is shown.
Further, the rear board of described frame is provided with cooling blower, and described cooling blower obtains operating voltage by described auxiliary power circuit plate.
Further, the outside of described insulated gate bipolar transistor is provided with radiator.
Further, described main power board also is provided with temperature relay and refutes combination hub, described temperature relay is refuted and is plugged with temperature relay on combination hub, and described temperature relay is connected with half-bridge inversion circuit, for the temperature of the radiator outside the Real-Time Monitoring insulated gate bipolar transistor.
Further, described auxiliary power circuit plate comprises: switch voltage-stabilizing device, flyback transformer, linear optical coupling, voltage-stabiliser tube and three end line pressurizers.
Further, described master board module board comprises: pulse width modulation integrated circuit, operational amplifier, triode.
Further, be provided with display device and entering apparatus in described panel circuit, described display device is indicator light and/or display screen, and entering apparatus is button and/or knob.
Further, the output of described main power board be connected to output just with the negative snap joint of output, described output just all is arranged on the outer surface of front panel of frame with the negative snap joint of output.
At the utility model, industrial frequency rectifying circuit, filter circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit, intermediate frequency rectification circuit are integrated and are arranged on main power board, and by the interface on main power board, main control module circuit and auxiliary power circuit be plugged on main power board; It has reduced the wire use, makes the terminal with compact integral structure of Contravariant welding-cutting machine device of the present utility model clear, is convenient to produce and installs, and is conducive to automated production; Also reduced between each parts and crosstalked, improved greatly the fail safe of welding device.
Description of drawings
In order to be easy to explanation, the utility model is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the logical construction schematic diagram of a kind of only board-like Contravariant welding-cutting machine device of the utility model;
Fig. 2 is the circuit structure diagram of the main power board in the utility model;
Fig. 3 is the circuit structure diagram of the master control circuit board in the utility model;
Fig. 4 is the circuit structure diagram of the auxiliary power circuit plate in the utility model;
Fig. 5 is the circuit structure diagram of the driving pulse shaping circuit plate in the utility model;
Fig. 6 is the circuit structure diagram of the panel circuit in the utility model;
Fig. 7 is the whole hardware structure diagram of a kind of only board-like Contravariant welding-cutting machine device in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1 to Fig. 7, the utility model is a kind of only board-like Contravariant welding-cutting machine device, comprising: main power board 9, master control circuit board 10, auxiliary power circuit plate 11,
﹠lt, b TranNum="122" ﹠gt, described main power board 9 comprises: by surface installation technique (SMT, Surface Mounted Technology) automation welding and assembling technics is integrated the industrial frequency rectifying circuit on an only plate PCB circuit board that is arranged on main power board 9, soft starting circuit, filter circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit and intermediate frequency rectification circuit, in described main power board 9, electric current is after the input process industrial frequency rectifying circuit and soft starting circuit of main power board 9, wave circuit after filtration successively, half-bridge inversion circuit, the intermediate frequency reduction voltage circuit, after the intermediate frequency rectification circuit, enter the output of main power board 9, described main power board 9 is provided with main control circuit plate interface and auxiliary power circuit plate interface, power grid energy is delivered to single-phase rectification bridge B1 by mains switch S1 and is carried out full-wave rectification in main power board 9, through after time-delay soft start relay K 1A, K1B and K2A, K2B and soft start resistance R T1 by electrochemical capacitor C35, C36, the C37 filtering direct voltage into about 300V.Form half-bridge inversion circuit by IGBT Q5, Q6, Q7, Q8 and capacitor C 40, C41, C42, C43 etc., direct voltage is reverse into the ac square wave voltage of intermediate frequency that peak value is about 300V, through the full-wave rectifying circuit of composition such as main transformer T3 step-down, secondary fast recovery diode D16, D17, D18, D19 be rectified into low-voltage, high-current welding voltage export from output snap joint " output just " and " output is born " after electric current.</b>
Wherein: resistance R 47 capacitor C 38 and resistance R 48 capacitor C 39 form the IGBT resistance capaciting absorpting circuit of an inversion; Resistance R 51 capacitor C 44 and resistance R 50 capacitor C 45 form the fast recovery diode resistance capaciting absorpting circuit of secondary rectification; T2 is that the primary side AC square wave current detects instrument transformer, is responsible for primary side current monitoring and primary side current overcurrent protection and detects; RW1 is welding current feedback shunt, delivers to feedback circuit and carries out current feedback and regulate to detect the welding electric current and to be converted into voltage signal; Metal-oxide-semiconductor Q9 and pulse transformer T1, metal-oxide-semiconductor Q10 and pulse transformer T4 are IGBT driving pulse power amplifier, buffer circuit; VT5 is that maximum welding electric current is adjusted potentiometer, and P1 is that driving pulse shaping circuit module, CNP1 are that master board module, CNP2 are the accessory power supply module, and these three modules are arranged on main power board 9 by socket as three parts;
Described master control circuit board 10 is plugged on described main power board 9 by the main control circuit plate interface, and its with described half-bridge inversion circuit be connected the intermediate frequency rectification circuit and be connected, be used for transmitting control signal and receiving the current/voltage feedback signal that described intermediate frequency rectification circuit sends to described half-bridge inversion circuit;
Described auxiliary power circuit plate 11 is plugged on described main power board 9 by the auxiliary power circuit plate interface, and its with described filter circuit be connected master control circuit board 10 and be connected, be used for obtaining direct voltage from filter circuit, and provide direct current energy for described master control circuit board 10.
Electrical network input electric energy enters the input of main power board 9 in the utility model, through being integrated into each Power Processing circuit on an only plate PCB: after the conversion process such as industrial frequency rectifying circuit/soft starting circuit, filter circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit, intermediate frequency rectification circuit, output welding required voltage electric current.
Master control circuit board 10, auxiliary power circuit plate 11 also are plugged on this mainboard in addition, the accessory power supply module partly obtains direct voltage from the upper filter circuit of only plate PCB, deliver to the single-ended flyback stabilized voltage power supply and then export the low-voltage direct electric energy, one the tunnel for cooling blower provides electric energy, and one the tunnel provides the low-voltage direct electric energy for the main control module circuit.
Master control circuit board 10 output control signals are removed the half-bridge inversion circuit on only plate PCB, receive the current/voltage that partly transmits from only plate PCB intermediate frequency rectification circuit to send out feedback signal.
Further, be provided with in described half-bridge inversion circuit: insulated gate bipolar transistor (IGBT, Insulated Gate Bipolar Transistor), also be provided with driving pulse shaping circuit plate interface on described main power board 9, described half-bridge inversion circuit is connected with driving pulse shaping circuit plate 8 by described driving pulse shaping circuit plate interface, and described driving pulse shaping circuit plate is used for current pulse signal with half-bridge inversion circuit and carries out shaping, removes to drive the insulated gate bipolar transistor in half-bridge inversion circuit after distributing.The effect of driving pulse shaping circuit plate is to remove to drive IGBT after the driving pulse shaping of pulse transformer output, distribution.The driving pulse of a brachium pontis is from 7, the 8 pin inputs of socket P2, through distributed to two IGBT gate poles of this brachium pontis after triode Q11, diode D21, D22, D26, D27 resistance R 59, R61, R62 shaping by resistance R 54, R56, in circuit, voltage stabilizing didoe D24 is IGBT gate pole clamping protection diode, and capacitor C 47 is IGBT gate pole disturbing pulse Absorption Capacitance; The driving pulse of another brachium pontis is from 11, the 12 pin inputs of socket P2; through distributed to two IGBT gate poles of this brachium pontis after triode Q12, diode D20, D23, D28, D29 resistance R 58, R60, R63 shaping by resistance R 55, R57; in circuit, voltage stabilizing didoe D25 is IGBT gate pole clamping protection diode, and capacitor C 46 is IGBT gate pole disturbing pulse Absorption Capacitance.
Further, also comprise: frame 1, the front panel of described frame 1 is provided with panel circuit 5, described panel circuit 5 is connected with master control circuit board 10 by wire, be used for to master control circuit board 10 input operation parameter signals, described operational parameter signals comprises: given value of current signal and push current signal, and the display that master control circuit board 10 is sent shows, it is used for showing the size of welding current value and shows the welding-cutting machine failure condition; Master control circuit board 10 output display signals remove panel circuit 5, the operational parameter signals of receiving panel circuit 5 to transmit, and transmit control signal to half-bridge inversion circuit according to this operational parameter signals.Winding displacement is connected with master control circuit board socket JOP4 this panel circuit 5 by connecting by he self socket CT2.Wherein: VT1 is that push current regulator potentiometer, VT2 are welding electric current regulator potentiometer, VT3 electric current vision-control potentiometer, and LED1 is the IGBT overheating indicator lamp.
Further, the rear board of described frame 1 is provided with cooling blower 7, and described cooling blower 7 obtains operating voltage by described auxiliary power circuit plate 11, also is provided with mains switch 13 on the rear board of described frame 1.
Further, the outside of described insulated gate bipolar transistor is provided with radiator 6, and described radiator 6 is arranged on frame 1 inboard by insulation support plate 12.
Further, described main power board 9 also is provided with temperature relay and refutes combination hub, described temperature relay is refuted and is plugged with temperature relay on combination hub, and described temperature relay is connected with half-bridge inversion circuit, for the temperature of the radiator outside the Real-Time Monitoring insulated gate bipolar transistor.Wherein, JDP1 is that temperature relay is refuted combination hub, external operating temperature be 75 ℃ often drive temperature relay, in order to Real-Time Monitoring IGBT place spreader surface temperature, prevent that IGBT from crossing cause thermal damage.
Further, described auxiliary power circuit plate 11 comprises: switch voltage-stabilizing device, flyback transformer, linear optical coupling, voltage-stabiliser tube and three end line pressurizers.This auxiliary power circuit plate 11 is comprised of switch voltage-stabilizing device U7, flyback transformer T5, linear optical coupling U8, voltage-stabiliser tube D33, three end line pressurizer U2 etc.The 300VDC direct voltage positive and negative end of main power board 9 is introduced by 1,2 and 4,5 pin of socket JOP2, positive 24V voltage, positive 15V voltage and the negative 1V voltage that obtains after this accessory power supply of process module outputs to main power board 9 by 10,11 and 13,14 and 15,16 pin of socket JOP2, and socket JOP3 provides positive 24V power supply for cooling blower.
Further, in described master board module board, by pulse width modulation (PWM, Pulse Width Modulation) integrated circuit U3, operational amplifier U4, triode Q1 and peripheral devices thereof form given value of current, current feedback and current error amplification, pi regulator and PWM generator; Triode Q2, Q4 and controllable silicon U6 and diode D2, D3, D4, D5, D1, D13 resistance R 20, R21, R22, R23, R11, R12, R33, R34, R13, R15, R37, R8 capacitor C 17, C9, C10, C12, C26, C29 etc. form the soft starting circuit after start soft starting circuit and overheated, overcurrent protection and protection are removed.
Operational amplifier U5A and resistance R 27, R28, capacitor C 23 form pedestal generator, and for the electric current regulator potentiometer provides stable reference voltage, the adjusting of welding size of current is served as by the VT2 on panel; Operational amplifier U5B and resistance R 26, R29, R30, capacitor C 24, C25, diode D9, D10 form the push current generator, and the adjusting of push current size is served as by the VT1 on panel; Operational amplifier U5C, U5D and resistance R 31, R32, R35, R36, R38, R39, R40, R42 capacitor C 27, C28, C31, C32, C34 diode D12, D14, D15 form LIFT TIG circuit and anti-welding resistance circuit.
This module is provided with two sockets: one is JOP4, and it is to refute for the socket CT2 with panel the 10 core sockets that connect, and the power supply of the electric current display of panel and fault (IGBT is overheated) signal and digital voltmeter is by output here; Welding given value of current and push current are given by input here.Another is JOP1, and it is that the master control borad module is connected the reverse interface that connects with main power board.
Further, be provided with display device 3 and entering apparatus 4 in described panel circuit 5, described display device 3 is indicator light and/or display screen, and entering apparatus 4 is button and/or knob.This entering apparatus 4 is specially welding current adjusting knob and push current adjusting knob in the present embodiment, can also comprise other function knobs or button, does not do concrete restriction herein.
Further, the output of described main power board 9 be connected to output just with the negative snap joint 2 of output, described output just is arranged on the outer surface of front panel of frame 1 with the negative snap joint 2 of output.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. an only board-like Contravariant welding-cutting machine device, is characterized in that, comprising: main power board, master control circuit board, auxiliary power circuit plate,
Described main power board comprises: be arranged on industrial frequency rectifying circuit, soft starting circuit, filter circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit and intermediate frequency rectification circuit on the circuit board of main power board, in described main power board, electric current is after the input process industrial frequency rectifying circuit and soft starting circuit of main power board, successively after filtration after wave circuit, half-bridge inversion circuit, intermediate frequency reduction voltage circuit, intermediate frequency rectification circuit, enter the output of main power board, described main power board is provided with main control circuit plate interface and auxiliary power circuit plate interface;
Described master control circuit board is plugged on described main power board by the main control circuit plate interface, and its with described half-bridge inversion circuit be connected the intermediate frequency rectification circuit and be connected, be used for transmitting control signal and receiving the current/voltage feedback signal that described intermediate frequency rectification circuit sends to described half-bridge inversion circuit;
Described auxiliary power circuit plate is plugged on described main power board by the auxiliary power circuit plate interface, and its with described filter circuit be connected master control circuit board and be connected, be used for obtaining direct voltage from filter circuit, and provide direct current energy for described master control circuit board.
2. a kind of only board-like Contravariant welding-cutting machine device according to claim 1, it is characterized in that, be provided with in described half-bridge inversion circuit: insulated gate bipolar transistor, also be provided with driving pulse shaping circuit plate interface on described main power board, described half-bridge inversion circuit is connected with driving pulse shaping circuit plate by described driving pulse shaping circuit plate interface, and described driving pulse shaping circuit plate is used for current pulse signal with half-bridge inversion circuit and carries out shaping, removes to drive the insulated gate bipolar transistor in half-bridge inversion circuit after distributing.
3. a kind of only board-like Contravariant welding-cutting machine device according to claim 2, it is characterized in that, also comprise: frame, the front panel of described frame is provided with panel circuit, described panel circuit is connected with master control circuit board by wire, be used for to master control circuit board input operation parameter signal, and the display that master control circuit board sends is shown.
4. a kind of only board-like Contravariant welding-cutting machine device according to claim 3, is characterized in that, the rear board of described frame is provided with cooling blower, and described cooling blower obtains operating voltage by described auxiliary power circuit plate.
5. a kind of only board-like Contravariant welding-cutting machine device according to claim 4, is characterized in that, the outside of described insulated gate bipolar transistor is provided with radiator.
6. a kind of only board-like Contravariant welding-cutting machine device according to claim 5, it is characterized in that, described main power board also is provided with temperature relay and refutes combination hub, described temperature relay is refuted and is plugged with temperature relay on combination hub, described temperature relay is connected with half-bridge inversion circuit, for the temperature of the radiator outside the Real-Time Monitoring insulated gate bipolar transistor.
7. a kind of only board-like Contravariant welding-cutting machine device according to claim 6, is characterized in that, described auxiliary power circuit plate comprises: switch voltage-stabilizing device, flyback transformer, linear optical coupling, voltage-stabiliser tube and three end line pressurizers.
8. a kind of only board-like Contravariant welding-cutting machine device according to claim 7, is characterized in that, described master board module board comprises: pulse width modulation integrated circuit, operational amplifier, triode.
9. a kind of only board-like Contravariant welding-cutting machine device according to claim 8, is characterized in that, be provided with display device and entering apparatus in described panel circuit, described display device is indicator light and/or display screen, and entering apparatus is button and/or knob.
10. a kind of only board-like Contravariant welding-cutting machine device according to claim 9, it is characterized in that, the output of described main power board is connected to the positive and negative snap joint of output and the negative snap joint of output, and described output just all is arranged on the outer surface of front panel of frame with the negative snap joint of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320336996 CN203278619U (en) | 2013-06-13 | 2013-06-13 | Single-plate type inversion welding/cutting machine device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320336996 CN203278619U (en) | 2013-06-13 | 2013-06-13 | Single-plate type inversion welding/cutting machine device |
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| CN203278619U true CN203278619U (en) | 2013-11-06 |
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| CN 201320336996 Expired - Fee Related CN203278619U (en) | 2013-06-13 | 2013-06-13 | Single-plate type inversion welding/cutting machine device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796014A (en) * | 2015-05-08 | 2015-07-22 | 上海工程技术大学 | Power supply for micro-displacement testing system |
| CN105186853A (en) * | 2015-08-17 | 2015-12-23 | 深圳华意隆电气股份有限公司 | Three-phase staggered active PFC welding and cutting machine power supply |
| CN105186878A (en) * | 2015-08-17 | 2015-12-23 | 深圳华意隆电气股份有限公司 | Single-phase CD type passive PFC inversion type welding power supply |
| CN107112917A (en) * | 2014-11-10 | 2017-08-29 | 依赛彼公司 | Multivoltage welder |
| CN112422000A (en) * | 2020-09-24 | 2021-02-26 | 智新控制系统有限公司 | Auxiliary motor controller |
| CN114724897A (en) * | 2022-04-20 | 2022-07-08 | 福建鑫博亿电力科技有限公司 | Secondary power supply independent method of low-voltage circuit breaker |
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2013
- 2013-06-13 CN CN 201320336996 patent/CN203278619U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107112917A (en) * | 2014-11-10 | 2017-08-29 | 依赛彼公司 | Multivoltage welder |
| CN112958878A (en) * | 2014-11-10 | 2021-06-15 | 依赛彼公司 | Multi-voltage welding device |
| CN104796014A (en) * | 2015-05-08 | 2015-07-22 | 上海工程技术大学 | Power supply for micro-displacement testing system |
| CN105186853A (en) * | 2015-08-17 | 2015-12-23 | 深圳华意隆电气股份有限公司 | Three-phase staggered active PFC welding and cutting machine power supply |
| CN105186878A (en) * | 2015-08-17 | 2015-12-23 | 深圳华意隆电气股份有限公司 | Single-phase CD type passive PFC inversion type welding power supply |
| CN105186853B (en) * | 2015-08-17 | 2018-01-26 | 深圳华意隆电气股份有限公司 | A kind of active PFC weldings electromechanical source of three phase cross-over formulas |
| CN112422000A (en) * | 2020-09-24 | 2021-02-26 | 智新控制系统有限公司 | Auxiliary motor controller |
| CN114724897A (en) * | 2022-04-20 | 2022-07-08 | 福建鑫博亿电力科技有限公司 | Secondary power supply independent method of low-voltage circuit breaker |
| CN114724897B (en) * | 2022-04-20 | 2023-12-22 | 福建鑫博亿电力科技有限公司 | Secondary power supply independent method of low-voltage circuit breaker |
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| CF01 | Termination of patent right due to non-payment of annual fee |