CN212627658U - Integrated precise inverter welding power supply - Google Patents
Integrated precise inverter welding power supply Download PDFInfo
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- CN212627658U CN212627658U CN202021757324.7U CN202021757324U CN212627658U CN 212627658 U CN212627658 U CN 212627658U CN 202021757324 U CN202021757324 U CN 202021757324U CN 212627658 U CN212627658 U CN 212627658U
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Abstract
The utility model relates to an accurate contravariant welding source of integration, include: a housing having an accommodating space formed therein; the IGBT module is arranged on the shell and positioned in the accommodating space; the main control board is arranged on the shell and positioned in the accommodating space; the driving module is arranged on the shell and positioned in the accommodating space, and is connected with the main control board and the IGBT module; the welding transformer is arranged on the shell and positioned in the accommodating space, and the welding transformer is connected with the IGBT module; and the positive electrode output pin and the negative electrode output pin are arranged at the rear part of the shell and are exposed, and the positive electrode output pin and the negative electrode output pin are both connected with the welding transformer. The utility model discloses an accurate contravariant welding source of integration has designed welding transformer in its inside integrated, with welding source and welding transformer integration together, small in size forms the integral structure, and the transport is convenient, and it is also convenient to place, improves the convenience that the user used.
Description
Technical Field
The utility model relates to a welding power supply's technical field refers in particular to a precision contravariant welding power supply of integration.
Background
The precise inverter welding power supply is an advanced welding power supply at present, and has the advantages of high control precision, good welding effect, energy conservation and environmental protection. The precise inversion welding power supply is of a split type design, namely the welding power supply and the welding transformer are separated, when the precise inversion welding power supply is used, the output end of the precise inversion welding power supply is required to be connected with the welding transformer, and the precise inversion welding power supply is connected with the welding electrode bar through the welding transformer, so that welding operation is realized. Due to the split design, it is not very convenient in terms of carrying and placing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an accurate contravariant welding power of integration, it is split type design that the solution has welding power and welding transformer leads to the transport and places the aspect inconvenient problem.
The technical scheme for realizing the purpose is as follows:
the utility model provides an accurate contravariant welding source of integration, include:
a housing having an accommodating space formed therein;
the IGBT module is arranged on the shell and positioned in the accommodating space;
the main control board is arranged on the shell and positioned in the accommodating space;
the driving module is arranged on the shell and positioned in the accommodating space, and the driving module is connected with the main control board and the IGBT module;
the welding transformer is arranged on the shell and positioned in the accommodating space, and the welding transformer is connected with the IGBT module; and
and the positive output pin and the negative output pin are arranged at the rear part of the shell and are exposed, and the positive output pin and the negative output pin are both connected with the welding transformer.
The utility model discloses an accurate contravariant welding source of integration has designed welding transformer in its inside integrated, with welding source and welding transformer integration together, small in size forms the integral structure, and the transport is convenient, and it is also convenient to place, improves the convenience that the user used.
The utility model discloses the accurate contravariant welding power supply's of integration further improves and lies in, the rear portion of casing is equipped with the output insulation board, through the output insulation board installation is fixed positive pole output pin with negative pole output pin.
The utility model discloses the accurate contravariant welding source's of integration further improves and lies in, the rear portion of casing still is equipped with the power input end that supplies to insert the 220V power, power input end and a power module are connected, power module with the main control board is connected.
The utility model discloses the accurate contravariant welding source's of integration further improves and lies in, still include with power input end with the reserve power module that the main control board is connected.
The utility model discloses the accurate contravariant welding power supply's of integration further improves and lies in, power input end with be connected with the wave filter between the power module.
The utility model discloses the accurate contravariant welding power supply's of integration further improves and lies in, the inside fixedly connected with of casing is vertical heating panel, through the heating panel installation is fixed the main control board the IGBT module and drive module.
The utility model discloses the accurate contravariant welding source's of integration further improves and lies in, still install rectifier bridge and ac contactor on the heating panel, the rectifier bridge with the IGBT module with ac contactor connects.
The utility model discloses the accurate contravariant welding source's of integration further improves and lies in, electric capacity has been installed to the bottom of casing, electric capacity with the IGBT module with ac contactor connects.
The utility model discloses the accurate contravariant welding power of integration further improves and lies in, the crash bar has been installed in the casing, the crash bar is the slope form setting, and is located the main control board the IGBT module drive module and welding transformer's relative both sides.
The utility model discloses the accurate contravariant welding power of integration further improves and lies in, welding transformer including install in the diode that the iron core of casing bottom, iron core winding and be connected with iron core winding, the diode with positive pole output pin connects, iron core winding with negative pole output pin connects.
Drawings
Fig. 1 is the utility model discloses the accurate contravariant welding source's of integration structural schematic diagram.
Fig. 2 is a schematic structural view of the integrated precision inverter welding power supply of the present invention at another viewing angle.
Fig. 3 is a schematic structural diagram of the integrated precise inverter welding power supply of the present invention without a side cover plate.
Fig. 4 is a schematic structural diagram of the integrated precise inverter welding power supply of the present invention on the side of the main board after the side cover plate is omitted.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides a precision contravariant welding power supply of integration for solve the transport that current welding power supply and welding transformer components of a whole that can function independently design brought and place inconvenient problem. The utility model discloses with welding transformer and welding source integration together, designed small-size integrated accurate contravariant welding source, have the transport and place all convenient advantage. And the power input end of the welding power supply is connected with 220V civil electricity, and the welding power supply has more universal applicability compared with 380V industrial electricity, so that the use occasion is not limited. The integrated precise inverter welding power supply of the present invention is described below with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of an integrated precise inverter welding power supply of the present invention is shown. Referring to fig. 3, the schematic structure diagram of the integrated precise inverter welding power supply of the present invention without the side cover plate is shown. Referring to fig. 4, a schematic structural diagram of the integrated precise inverter welding power supply of the present invention is shown, wherein the rear main board side of the side cover plate is omitted. The integrated precision inverter welding power supply of the present invention will be described with reference to fig. 1, 3 and 4.
As shown in fig. 1, fig. 3 and fig. 4, the utility model discloses a precise contravariant welding power supply 20 of integration includes casing 21, IGBT module 221, main control board 222, drive module 223, welding transformer 23 and anodal output pin 241 and negative pole output pin 242, the inside of casing 21 is formed with accommodation space 211, IGBT module 221 is installed on casing 21 and is located accommodation space 211, main control board 222 is installed on casing 21 and is located accommodation space 211, drive module 223 is installed on casing 21 and is located accommodation space 211, this drive module 223 is connected with main control board 222 and IGBT module 221. The welding transformer 23 is mounted on the housing 21 and located in the accommodating space 211, and the welding transformer 23 is connected to the IGBT module 221. The positive output pin 241 and the negative output pin 242 are mounted at the rear of the case 21 and exposed, and the positive output pin 241 and the negative output pin 242 are connected to the welding transformer 23
The utility model discloses an accurate contravariant welding power supply 20 can directly connect the welding electrode stick through positive output pin 241 and negative output pin 242, provides the electric current of welding usefulness for the welding electrode stick. The welding power supply has the advantages of small size, compact and reasonable structural layout, more miniaturization, and convenient carrying and maintenance.
In a specific embodiment of the present invention, as shown in fig. 2 and 4, an output insulating plate 243 is provided at the rear portion of the housing 21, and the positive output pin 241 and the negative output pin 242 are fixed by the output insulating plate 243. Specifically, a mounting opening is formed in the rear portion of the housing 21, the output insulating plate 243 is mounted and fixed at the mounting opening, through holes are formed in the output insulating plate 243 corresponding to the positive output pin 241 and the negative output pin 242, the positive output pin 241 and the negative output pin 242 are inserted into the corresponding through holes, one end of the positive output pin 241 and one end of the negative output pin 242 are exposed outside the housing 21, and the other end of the positive output pin 241 and the other end of the negative output pin 242 extend into the housing 21 and are connected with the welding transformer 23. Preferably, the positive output pin 241 and the negative output pin 242 are copper bars.
In a specific embodiment of the present invention, as shown in fig. 2 and fig. 4, a power input end 251 for accessing a 220V power supply is disposed at the rear portion of the casing 21, the power input end 251 is connected with a power supply module 224, and the power supply module 224 is connected with the main control board 222. The main control board 22 is powered by the power module 224. The power input end 251 is directly connected with single-phase 220V voltage, and has wider applicability compared with industrial electricity.
Further, the precision inverter welding power supply 20 further includes a standby power supply module 225 connected to the power input end 251 and the main control board 222. The standby power supply module 225 is arranged to supply power to the main board 222 when the power supply module 224 is damaged, so that the problem that the welding power supply cannot work due to the fact that the power supply module 225 goes wrong can be prevented, and reliability is improved.
Further, as shown in fig. 3, a filter 226 is connected between the power input 251 and the power supply module 224 and the standby power supply module 225. Specifically, the power supply provides a single-phase 220V power voltage, and the single-phase 220V power voltage is input to the filter 226 from the power input end 251, is filtered by the filter 226 and then is transmitted to the power supply module 224 and the standby power supply module 225, and supplies power to the main control board 222 through the power supply module 224, and when the power supply module 224 fails, can supply power to the main control board 222 through the standby power supply module 225.
In a specific embodiment of the present invention, as shown in fig. 3, the heat dissipation plate 26 is vertically fixedly connected to the inside of the housing 21, and the fixed main control board 222, the IGBT module 221 and the driving module 223 are installed through the heat dissipation plate 26. Preferably, the heat dissipation plate 26 is an aluminum plate, which has good heat conductivity and can dissipate heat for the main control board 222, the IGBT module 221, and the driving module 223.
Preferably, as shown in fig. 1 to 3, the housing 21 includes a bottom plate 212, a front plate 213, a rear plate 214, and a side cover plate 215, the front plate 213 and the rear plate 214 are oppositely disposed on two opposite sides of the bottom plate 212 and are fixedly connected to the bottom plate 212, the side cover plate 215 is U-shaped, and covers the bottom plate 212 and is fixedly connected to the front plate 213 and the rear plate 214, so as to form a closed housing 21, and the housing 21 is cube-shaped. Four support legs are arranged at the bottom of the bottom plate 21 to play a supporting role. The side cover plate 215 and the rear side plate 214 are provided with ventilation openings 216, and the accommodating space 211 of the housing 21 is communicated with the outside air through the ventilation openings 216, so that the ventilation and heat dissipation effects are achieved.
Further, as shown in fig. 2 and 3, a heat dissipation fan 28 is installed inside the rear side plate 214 corresponding to the ventilation opening 216, the heat dissipation fan 28 is disposed facing the IGBT module 221, and a heat dissipation airflow is formed by the heat dissipation fan 28 to dissipate heat of each component inside the housing 21.
In one embodiment of the present invention, as shown in fig. 3, a rectifier bridge 227 and an ac contactor 228 are further mounted on the heat dissipation plate 26, and the rectifier bridge 227 is connected to the power input end 251 and also connected to the IGBT module 221 and the ac contactor 228.
A capacitor 229 is provided at the bottom of the housing 21, and the capacitor 229 is connected to the IGBT module 221 and the ac contactor 228.
The single-phase 220V ac input at the power input end 251 is converted into dc by the rectifier bridge 227, the rectifier bridge 227 transmits the dc to the IGBT module 221 and the ac contactor 228, the ac contactor 228 is connected to the IGBT module 221 by the capacitor 229, the capacitor performs the functions of filtering and storing energy, and the IGBT module 221 converts the dc into high-frequency square wave and transmits the square wave to the welding transformer 23.
The heat dissipating plate 26 is erected on the bottom plate 212 and is fixedly connected to the bottom plate 212 and the rear side plate 214. The rectifier bridge 227, the ac contactor 228, the driver module 223, and the IGBT module 221 mounted on the heat dissipation plate 26 are disposed with a certain distance therebetween.
In a specific embodiment of the present invention, as shown in fig. 3 and 4, the crash bar 27 is installed in the housing 21, the crash bar 27 is disposed in an inclined shape and is located at two opposite sides of the main control board 222, the IGBT module 221, the driving module 223 and the welding transformer 23, and the crash bar 27 is used for protecting the internal components from being damaged by the impact during transportation. As shown in fig. 3, one end of the impact beam 27 is connected to the base plate 212, the other end is connected to the heat sink 27, and the impact beam 27 on the side is positioned outside the transformer 23 and the capacitor 229. As shown in fig. 4, one end of the bumper bar 27 on this side is connected to the base plate 212, and the other end is also connected to the heat sink plate 27 after being bent, and the bumper bar 27 is located outside the main control board 222 and the power supply module 224.
In one embodiment of the present invention, as shown in fig. 3, the welding transformer 23 includes an iron core 231, an iron core winding 232, and a diode 234 connected to the iron core winding 232, which are mounted at the bottom of the housing 21, wherein the diode 234 is connected to the positive output pin 241, and the iron core winding 232 is connected to the negative output pin 242.
Further, the fixing plate 233 is further included, the fixing plate 233 is used for fixing the core winding 232, the fixing plate 233 is fixedly connected with the core winding 233, and the fixing plate 233 is also fixedly connected with the base plate 212. A heat sink 235 is attached to the diode 234, and the heat of the diode 234 is dissipated by the heat sink 235. A current collector 236 is disposed beside the diode 234, and the current collector 236 is connected to the diode 234 and the positive output pin 241 for detecting the magnitude of the output current.
Preferably, the core winding 232 includes a primary winding and a secondary winding, the primary winding is connected to the IGBT module 221, and the IGBT module outputs a high frequency and high voltage to the primary winding. The secondary winding is connected to the diode and the negative output pin 242, and outputs a low-voltage high current to the welding electrode bar from the positive output pin 241 and the negative output pin 242.
In a specific embodiment of the present invention, as shown in fig. 1, the front side plate 213 is installed with a touch screen 252, the touch screen 252 is connected to the main control board 222, the touch screen 252 is used to input data and parameters to the main control board 222, and the main control board 222 drives and controls the IGBT module 221 through the driving module 223. The front side plate 213 is further provided with a communication interface 253, the communication interface 253 is connected with the main control panel 222, a controller can be externally connected through the communication interface 253, and the controller can be used for inputting data and parameters to the main control panel 222, so that the welding power supply 20 can be remotely controlled.
The driving module 223 is covered with a honeycomb electromagnetic radiation protection cover, and the electromagnetic radiation protection cover is fixedly connected with the housing 21. The electromagnetic radiation shield is preferably a metal shield for preventing the high frequency signals of the driving module from causing electromagnetic interference to other components and circuits.
As shown in fig. 2 and 4, the connection terminals of the main control board 222 extend from the rear side plate 214, and a terminal protection cover 254 covering the connection terminals is connected to the rear side plate 214. The main control board 222 is further provided with indicator lamps 2221, the indicator lamps 2221 are exposed from through holes formed in the rear side board 214, and the indicator lamps 2221 are used for displaying input and output signals, so that the working state can be determined, and the fault problem of the welding power supply can be determined.
As shown in fig. 2, two core connectors 244 are disposed at the back side plate 214, the ends of the two core connectors 244 in the housing 21 are connected to the main control board 222, the two core connectors 244 are used to connect two test wires, and then the two test wires are connected to the two ends of the electrode rod, so as to measure the voltage signals at the two ends of the electrode rod.
The precise inverter welding power supply 20 further comprises a wave absorbing module arranged on the IGBT module 221, and the wave absorbing module is used for preventing high-frequency spike pulses from damaging power devices. The wave absorbing module can be selected from an IGBT surge absorbing capacitor, such as an EACO power electronic film capacitor of STM1200V series/1700V series/1500V series produced by Huayuan co-generation electronic technology Limited of Shenzhen, a manufacturer. The utility model discloses an accurate contravariant welding source of integration when using, directly with the welding electrode stick connect at anodal output pin and negative pole output pin can, very convenient. This welding source has integrateed welding transformer and welding source formula structure as an organic whole, small in size, convenient transportation, and its power input end lug connection 220V civilian electricity consumption, compares in 380V industrial electricity, and its use occasion does not have the restriction, is suitable for extensively.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. The utility model provides a precision contravariant welding power of integration which characterized in that includes:
a housing having an accommodating space formed therein;
the IGBT module is arranged on the shell and positioned in the accommodating space;
the main control board is arranged on the shell and positioned in the accommodating space;
the driving module is arranged on the shell and positioned in the accommodating space, and the driving module is connected with the main control board and the IGBT module;
the welding transformer is arranged on the shell and positioned in the accommodating space, and the welding transformer is connected with the IGBT module; and
and the positive output pin and the negative output pin are arranged at the rear part of the shell and are exposed, and the positive output pin and the negative output pin are both connected with the welding transformer.
2. The precise inverter welding power supply of claim 1, wherein an output insulation plate is provided at a rear portion of the case, and the positive output pin and the negative output pin are fixedly mounted through the output insulation plate.
3. The precise inverter welding power supply of claim 1, wherein the rear part of the shell is further provided with a power input end for connecting a 220V power supply, the power input end is connected with a power supply module, and the power supply module is connected with the main control board.
4. The precision inverter welding power supply of claim 3, further comprising a backup power module connected to the power input and the main control board.
5. The precision inverter welding power supply of claim 3, wherein a filter is coupled between the power input and the power module.
6. The precise inverter welding power supply according to claim 1, wherein a vertical heat dissipation plate is fixedly connected to the inside of the housing, and the main control board, the IGBT module and the driving module are fixedly installed through the heat dissipation plate.
7. The precise inverter welding power supply of claim 6, wherein a rectifier bridge and an AC contactor are further mounted on the heat dissipation plate, and the rectifier bridge is connected with the IGBT module and the AC contactor.
8. The precision inverter welding power supply of claim 7, wherein the bottom of the housing houses a capacitor that is connected to the IGBT module and the AC contactor.
9. The precise inverter welding power supply of claim 1, wherein the housing houses crash bars that are disposed in an inclined configuration and on opposite sides of the main control board, the IGBT module, the driver module, and the welding transformer.
10. The precision inverter welding power supply of claim 1, wherein the welding transformer comprises a core mounted to the bottom of the housing, a core winding, and a diode coupled to the core winding, the diode coupled to the positive output pin, the core winding coupled to the negative output pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757324.7U CN212627658U (en) | 2020-08-21 | 2020-08-21 | Integrated precise inverter welding power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757324.7U CN212627658U (en) | 2020-08-21 | 2020-08-21 | Integrated precise inverter welding power supply |
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| Publication Number | Publication Date |
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| CN212627658U true CN212627658U (en) | 2021-02-26 |
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| CN202021757324.7U Active CN212627658U (en) | 2020-08-21 | 2020-08-21 | Integrated precise inverter welding power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369738A (en) * | 2021-07-02 | 2021-09-10 | 重庆大学 | Modularized high-power pulse discharge welding device |
-
2020
- 2020-08-21 CN CN202021757324.7U patent/CN212627658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369738A (en) * | 2021-07-02 | 2021-09-10 | 重庆大学 | Modularized high-power pulse discharge welding device |
| CN113369738B (en) * | 2021-07-02 | 2023-03-24 | 重庆大学 | Modularized high-power pulse discharge welding device |
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