CN202715936U - Inverter electric welding machine - Google Patents
Inverter electric welding machine Download PDFInfo
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- CN202715936U CN202715936U CN 201220436740 CN201220436740U CN202715936U CN 202715936 U CN202715936 U CN 202715936U CN 201220436740 CN201220436740 CN 201220436740 CN 201220436740 U CN201220436740 U CN 201220436740U CN 202715936 U CN202715936 U CN 202715936U
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Abstract
The utility model discloses an inverter electric welding machine comprising a rectangular shell body, four groups of inverter power supplies installed in the shell body, and a main control circuit board installed in the shell body and used for controlling the inverter power supplies. The shell body is formed by a cubic frame and side plates on outer sides of the frame, and the frame is formed by two horizontal frames and divided into an upper layer, a middle layer and a lower layer. The two horizontal frames and the bottom portion of the inner side of the cubic frame are respectively provided with an upper layer installation plate, a middle layer installation plate and a lower layer installation plate. Each inverter power supply is composed of an insulated gate bipolar transistor (IGBT) drive circuit board, an IGBT full-bridge inverter module, a secondary high-frequency rectification module, a high-frequency transformer, and an output electric reactor. The main control circuit board and the four IGBT drive circuit boards are arranged on the upper layer installation plate, and other parts of the four groups of the inverter power supplies are installed on corresponding positions on the middle layer installation plate and the lower layer installation plate. The inverter electric welding machine is small in size, light in weight, reasonable in structure, low in cost, and easy to install and overhaul.
Description
Technical field
The utility model relates to the electric welding machine technical field, relates in particular to a kind of inversion welding machine rational in infrastructure.
Background technology
Along with the development of electric welding machine, various electric welding machines have appearred on the market, and inversion welding machine is high because of its frequency, power is large, and is easy to use, and is used by people widely.Inversion welding machine mainly contains the array inverter and consists of, control inverter by main control board and carry out work, but because existing inversion welding machine internal structure is unreasonable, normally all be horizontally placed on master board, each circuit board that forms inverter, transformer etc. in the electric welding machine housing, thereby so that whole inversion welding machine volume is very large, weight is also very large; In order to make the inversion welding machine volume less, although there is the people part of module to be installed on the sidewall of housing, so that whole welding machine internal structure is chaotic, line, heat radiation etc. are very unreasonable so again, and are not easy to maintenance; In addition, because existing inversion module all is by import usually, its price is comparatively expensive, thereby so that the cost of whole inversion welding machine is very high, is unfavorable for promoting.
The utility model content
For the prior art above shortcomings, the purpose of this utility model just is to provide a kind of volume little, lightweight, rational in infrastructure, with low cost, and is easy to the inversion welding machine that assembles and overhaul.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of inversion welding machine, comprise cuboid shell body, be installed in four groups of inverters in the housing and be installed in the main control board that is used for the control inverter in the housing, it is characterized in that: described housing is comprised of the framework of rectangular build and the side plate in the framework outside, described framework is divided into upper, middle and lower-ranking by two horizontal pane, is respectively arranged with upper strata installing plate, middle level installing plate and lower floor's installing plate in two horizontal pane and framework inside bottom; Described inverter mainly is comprised of IGBT drive circuit board, IGBT full-bridge inverting module, secondary high-frequency rectification module, high frequency transformer, out put reactor;
Described main control board and four IGBT drive circuit boards are installed on the installing plate of upper strata, wherein, one end of the close upper strata of main control board installing plate, the other end of four close these installing plates of IGBT drive circuit board, and four IGBT drive circuit boards are the distribution of sphere of movements for the elephants shape;
The IGBT full-bridge inverting module of four groups of inverters, secondary high-frequency rectification module, high frequency transformer and out put reactor are installed in middle level installing plate and the lower floor corresponding position of installing plate, wherein, be separately installed with the IGBT full-bridge inverting module of two groups of inverters on every layer of installing plate, secondary high-frequency rectification module, high frequency transformer and out put reactor, and the IGBT full-bridge inverting module of two groups of inverters on the same layer installing plate, secondary high-frequency rectification module, high frequency transformer and out put reactor are symmetricly set on the both sides, axis of horizontal pane width;
IGBT full-bridge inverting module on middle level installing plate and the lower floor's installing plate and secondary high-frequency rectification module be positioned near the IGBT drive circuit board an end, and along the width setting of horizontal pane; The integral body that IGBT full-bridge inverting module and secondary high-frequency rectification module form and high frequency transformer and out put reactor are all along the length direction setting of horizontal pane, and out put reactor is positioned at an end of close main control board.
By electric welding machine housing being divided into three layers, thereby inverter is carried out the layering setting, not only can reduce like this volume of whole electric welding machine, and can make the layout in the housing more clear, make the structure in the housing more reasonable, both be convenient to the line between the various piece, be convenient to again maintenance, simultaneously, because volume reduces, thereby reduce so that overall weight also can access, be more convenient for mobile and carrying.
Further, described IGBT full-bridge inverting module comprises rectangle IGBT inverter circuit plate and four groups of IGBT pipe groups, is integrated with the IGBT full bridge inverter at IGBT inverter circuit plate, and described four groups of IGBT pipe groups are symmetricly set in IGBT inverter circuit plate both sides; Wherein, two groups of IGBT pipe group power supply polarity that are positioned at IGBT inverter circuit plate one side are identical, and two groups of IGBT pipe group power supply polarity that are positioned at IGBT inverter circuit plate opposite side are opposite; Described IGBT pipe group comprises at least one IGBT pipe.Because the IGBT full bridge inverter has been a kind of prior art of maturation, like this, by a circuit board whole IGBT full-bridge inverting module making is become an integral body, not only install more convenient, and because IGBT full-bridge inverting module mainly adopts the IGBT pipe, and IGBT manages low price (well below the price of import inversion module), thereby can effectively reduce the production cost of whole electric welding machine.
Further, described IGBT full-bridge inverting module and secondary high-frequency rectification module vertically are fixed on middle level installing plate and the lower floor's installing plate by heat abstractor respectively, and secondary high-frequency rectification module is positioned at IGBT inversion module inboard; Between IGBT full-bridge inverting module and secondary high-frequency rectification module, vertically be provided with IGBT full-bridge inverting module and the separated insulation board of secondary high-frequency rectification module.By IGBT full-bridge inverting module and secondary high-frequency rectification module are vertically arranged, can reduce further the area that IGBT full-bridge inverting module and secondary high-frequency rectification module take up room in the horizontal direction, thereby further reduce the volume of whole electric welding machine, and arrange like this, can dispel the heat better.
Further, described heat abstractor comprises the rectangle frame that is surrounded by insulation board and the heat sink that is installed in this rectangle frame; Described heat sink is divided into mutually disjunct three parts by a T shape passage; Two groups of IGBT pipe groups that the power supply polarity of IGBT inverter circuit plate one side is identical are installed on the part of heat sink, and the opposite polarity two groups of IGBT pipe groups of the power supply of IGBT inverter circuit plate opposite side are installed in respectively on other two parts of heat sink.Easy for installation, radiating effect is better.
Further, near on the side plate of IGBT full-bridge inverting module one end, middle level and the lower floor of associated frame members are equipped with cooling fan at housing.Because whole electric welding machine caloric value the best part is IGBT full-bridge inverting module and secondary high-frequency rectification module, like this, after cooling fan is set, the heat that can be further produces during with IGBT full-bridge inverting module and the work of secondary high-frequency rectification module is taken away, thereby reduces the frequency that electric welding machine breaks down.
Compared with prior art, the utility model has the advantage of: simple in structure, the inverter layering is arranged, make the structure of electric welding machine inside more reasonable, and after arranging like this, line is more clear, be convenient to assembling and maintenance; Simultaneously, after arranging like this, can effectively reduce the volume and weight of electric welding machine, greatly reduce the cost of electric welding machine simultaneously.
Description of drawings
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the mounting structure schematic diagram of upper strata installing plate;
Fig. 3 is the mounting structure schematic diagram of middle level installing plate and lower floor's installing plate;
Fig. 4 is the structural representation of IGBT full-bridge inverting module;
Fig. 5 is the structural representation of heat abstractor.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment: referring to Fig. 1 to Fig. 5, a kind of inversion welding machine, comprise cuboid shell body 1, be installed in four groups of inverters in the housing 1 and be installed in the main control board 2 that is used for the control inverter in the housing 1, described housing 1 is comprised of the framework of rectangular build and the side plate in the framework outside, described framework is divided into upper, middle and lower-ranking by two horizontal pane, is respectively arranged with upper strata installing plate, middle level installing plate and lower floor's installing plate in two horizontal pane and framework inside bottom; When making, described framework is welded by angle steel, more convenient like this making and follow-up installment work.Described inverter mainly is comprised of IGBT drive circuit board 3, IGBT full-bridge inverting module, secondary high-frequency rectification module 4, high frequency transformer 5, out put reactor 6.
Described main control board 2 and four IGBT drive circuit boards 3 are installed on the installing plate of upper strata, wherein, one end of main control board 2 close upper strata installing plates, the other end of four IGBT drive circuit board 3 close these installing plates, and four IGBT drive circuit boards 3 are the distribution of sphere of movements for the elephants shape.The IGBT full-bridge inverting module of four groups of inverters, secondary high-frequency rectification module 4, high frequency transformer 5 and out put reactor 6 are installed in middle level installing plate and the lower floor corresponding position of installing plate, and namely the middle level installing plate is consistent with IGBT full-bridge inverting module, secondary high-frequency rectification module 4, high frequency transformer 5 and out put reactor 6 installation sites on the lower floor installing plate.Wherein, be separately installed with IGBT full-bridge inverting module, secondary high-frequency rectification module 4, high frequency transformer 5 and the out put reactor 6 of two groups of inverters on every layer of installing plate, and the IGBT full-bridge inverting module of two groups of inverters on the same layer installing plate, secondary high-frequency rectification module 4, high frequency transformer 5 and out put reactor 6 are symmetricly set on the both sides, axis of horizontal pane width.IGBT full-bridge inverting module on middle level installing plate and the lower floor's installing plate and secondary high-frequency rectification module 4 be positioned near IGBT drive circuit board 3 an end, and along the width setting of horizontal pane; The integral body that IGBT full-bridge inverting module and secondary high-frequency rectification module 4 forms and high frequency transformer 5 and out put reactor 6 are all along the length direction setting of horizontal pane, and out put reactor 6 is positioned at an end of close main control board 2.
Described IGBT full-bridge inverting module comprises that rectangle IGBT inverter circuit plate 41 and four groups of IGBT manage 42 groups, be integrated with the IGBT full bridge inverter at IGBT inverter circuit plate 41, and be welded with the electronic component that inverter circuit needs, comprise that inversion drives resistance etc. with electric capacity, piezo-resistance and IGBT, end at IGBT inverter circuit plate 41 is attached with two direct current input wires copper posts 43, one is used for connecing the DC input voitage positive pole, and another is used for connecing the DC input voitage negative pole; Two high-frequency alternating current output connection copper posts 44 also are installed at the middle part of IGBT inverter circuit plate 41; IGBT full-bridge inverting module by this technical scheme making, have the advantages such as cost is low, easy for installation, external cabling is few, as long as galvanic positive and negative electrode is received respectively on two direct current input wires copper posts on the IGBT inverter circuit plate 41, will be exported high-frequency alternating current at two high-frequency alternating current output connection copper posts at IGBT inverter circuit plate 41 middle parts.Described four groups of IGBT manage 42 groups and are symmetricly set in IGBT inverter circuit plate 41 both sides; Wherein, it is identical that two groups of IGBT that are positioned at IGBT inverter circuit plate 41 1 sides manage 42 groups of power supply polarity, and it is opposite that two groups of IGBT that are positioned at IGBT inverter circuit plate 41 opposite sides manage 42 groups of power supply polarity; Described IGBT manages 42 groups and comprises at least one IGBT pipe 42, and as a kind of mode, every group of IGBT manages 42 groups and comprise three IGBT pipes 42.Be processed to form IGBT full-bridge inverting module by buying IGBT pipe 42, can effectively reduce production costs.During concrete the making, the surface of IGBT inverter circuit plate 41 also is coated with insulating barrier, because IGBT pipe 42 is high photosensitive elements, by insulating barrier is set, can guarantee better that IGBT pipe 42 is not subjected to external interference, and this insulating barrier can be the silicone grease layer.
Described IGBT full-bridge inverting module and secondary high-frequency rectification module 4 vertically are fixed on middle level installing plate and the lower floor's installing plate by heat abstractor respectively, and during making, it is inboard that secondary high-frequency rectification module 4 is positioned at the IGBT inversion module; Between IGBT full-bridge inverting module and secondary high-frequency rectification module 4, vertically be provided with IGBT full-bridge inverting module and secondary high-frequency rectification module 4 separated insulation boards 8; Because IGBT pipe 42 is high photosensitive elements, by insulation board 8 is set, can guarantee better that IGBT pipe 42 is not subjected to external interference.Described heat abstractor comprises the rectangle frame 91 that is surrounded by insulation board 8 and the heat sink 92 that is installed in this rectangle frame 91; The heat sink 92 of described heat abstractor is used for installing IGBT full-bridge inverting module, and this heat sink 92 is divided into mutually disjunct three parts by a T shape 93 passages; Two groups of IGBT that the power supply polarity of IGBT inverter circuit plate 41 1 sides is identical manage on 42 groups of parts that are installed in heat sink 92, and the opposite polarity two groups of IGBT of the power supply of IGBT inverter circuit plate 41 opposite sides manage on 42 groups of other two parts that are installed in respectively heat sink 92; Thereby avoid IGBT pipe 42 to form short circuit, and cause electric welding machine to damage.Near on the side plate of IGBT full-bridge inverting module one end, the middle level of associated frame members and lower floor are equipped with cooling fan 10 at housing 1.
Need to prove at last, above embodiment is only in order to the technical solution of the utility model to be described but not the restriction technologies scheme, although the applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are made amendment to the technical solution of the utility model or are equal to replacement, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. inversion welding machine, comprise cuboid shell body, be installed in four groups of inverters in the housing and be installed in the main control board that is used for the control inverter in the housing, it is characterized in that: described housing is comprised of the framework of rectangular build and the side plate in the framework outside, described framework is divided into upper, middle and lower-ranking by two horizontal pane, is respectively arranged with upper strata installing plate, middle level installing plate and lower floor's installing plate in two horizontal pane and framework inside bottom; Described inverter mainly is comprised of IGBT drive circuit board, IGBT full-bridge inverting module, secondary high-frequency rectification module, high frequency transformer, out put reactor;
Described main control board and four IGBT drive circuit boards are installed on the installing plate of upper strata, wherein, one end of the close upper strata of main control board installing plate, the other end of four close these installing plates of IGBT drive circuit board, and four IGBT drive circuit boards are the distribution of sphere of movements for the elephants shape;
The IGBT full-bridge inverting module of four groups of inverters, secondary high-frequency rectification module, high frequency transformer and out put reactor are installed in middle level installing plate and the lower floor corresponding position of installing plate, wherein, be separately installed with the IGBT full-bridge inverting module of two groups of inverters on every layer of installing plate, secondary high-frequency rectification module, high frequency transformer and out put reactor, and the IGBT full-bridge inverting module of two groups of inverters on the same layer installing plate, secondary high-frequency rectification module, high frequency transformer and out put reactor are symmetricly set on the both sides, axis of horizontal pane width;
IGBT full-bridge inverting module on middle level installing plate and the lower floor's installing plate and secondary high-frequency rectification module be positioned near the IGBT drive circuit board an end, and along the width setting of horizontal pane; The integral body that IGBT full-bridge inverting module and secondary high-frequency rectification module form and high frequency transformer and out put reactor are all along the length direction setting of horizontal pane, and out put reactor is positioned at an end of close main control board.
2. a kind of inversion welding machine according to claim 1, it is characterized in that: described IGBT full-bridge inverting module comprises rectangle IGBT inverter circuit plate and four groups of IGBT pipe groups, be integrated with the IGBT full bridge inverter at IGBT inverter circuit plate, described four groups of IGBT pipe groups are symmetricly set in IGBT inverter circuit plate both sides; Wherein, two groups of IGBT pipe group power supply polarity that are positioned at IGBT inverter circuit plate one side are identical, and two groups of IGBT pipe group power supply polarity that are positioned at IGBT inverter circuit plate opposite side are opposite; Described IGBT pipe group comprises at least one IGBT pipe.
3. a kind of inversion welding machine according to claim 2, it is characterized in that: described IGBT full-bridge inverting module and secondary high-frequency rectification module vertically are fixed on middle level installing plate and the lower floor's installing plate by heat abstractor respectively, vertically are provided with between IGBT full-bridge inverting module and secondary high-frequency rectification module IGBT full-bridge inverting module and the separated insulation board of secondary high-frequency rectification module.
4. a kind of inversion welding machine according to claim 3 is characterized in that: described heat abstractor comprises the rectangle frame that is surrounded by insulation board and is installed in heat sink in this rectangle frame; Described heat sink is divided into mutually disjunct three parts by a T shape passage; Two groups of IGBT pipe groups that the power supply polarity of IGBT inverter circuit plate one side is identical are installed on the part of heat sink, and the opposite polarity two groups of IGBT pipe groups of the power supply of IGBT inverter circuit plate opposite side are installed in respectively on other two parts of heat sink.
5. a kind of inversion welding machine according to claim 4 is characterized in that: near on the side plate of IGBT full-bridge inverting module one end, middle level and the lower floor of associated frame members are equipped with cooling fan at housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436740 CN202715936U (en) | 2012-08-30 | 2012-08-30 | Inverter electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436740 CN202715936U (en) | 2012-08-30 | 2012-08-30 | Inverter electric welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN202715936U true CN202715936U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220436740 Expired - Fee Related CN202715936U (en) | 2012-08-30 | 2012-08-30 | Inverter electric welding machine |
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| Country | Link |
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| CN (1) | CN202715936U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113220A (en) * | 2013-04-22 | 2014-10-22 | 余名俊 | MOSFET multi-transistor-parallel full-bridge inverting circuit and installation method thereof |
| CN107160004A (en) * | 2017-06-26 | 2017-09-15 | 深圳力科电气有限公司 | A kind of cooling system and inverter type welder |
| CN110212783A (en) * | 2019-05-28 | 2019-09-06 | 深圳市麦格米特驱动技术有限公司 | A kind of inverter assembly and railway air conditioner |
| CN110328441A (en) * | 2019-08-06 | 2019-10-15 | 河北瓦尔丁科技有限公司 | Two supports, six numerical control plasma cutting machine |
-
2012
- 2012-08-30 CN CN 201220436740 patent/CN202715936U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113220A (en) * | 2013-04-22 | 2014-10-22 | 余名俊 | MOSFET multi-transistor-parallel full-bridge inverting circuit and installation method thereof |
| CN107160004A (en) * | 2017-06-26 | 2017-09-15 | 深圳力科电气有限公司 | A kind of cooling system and inverter type welder |
| CN110212783A (en) * | 2019-05-28 | 2019-09-06 | 深圳市麦格米特驱动技术有限公司 | A kind of inverter assembly and railway air conditioner |
| CN110328441A (en) * | 2019-08-06 | 2019-10-15 | 河北瓦尔丁科技有限公司 | Two supports, six numerical control plasma cutting machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20130830 |