CN203788165U - Bus capacitor inversion module structure in inversion power source - Google Patents
Bus capacitor inversion module structure in inversion power source Download PDFInfo
- Publication number
- CN203788165U CN203788165U CN201420157117.6U CN201420157117U CN203788165U CN 203788165 U CN203788165 U CN 203788165U CN 201420157117 U CN201420157117 U CN 201420157117U CN 203788165 U CN203788165 U CN 203788165U
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- Prior art keywords
- bus
- copper bar
- negative pole
- anodal
- module structure
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Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052802 copper Inorganic materials 0.000 claims description 68
- 239000010949 copper Substances 0.000 claims description 68
- 238000005452 bending Methods 0.000 claims description 4
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The utility model discloses a bus capacitor inversion module structure in an inversion power source. The bus capacitor inversion module structure mainly comprises a heat radiator, a bus capacitor set, a fixing frame having an opening at one side, a bus anode copper bar, a bus cathode copper bar, an insulation film and an IGBT module, wherein the fixing frame and the IGBT module are fixed at a surface of the heat radiator, the bus capacitor set is arranged in the fixing frame, the bus anode copper bar and the bus cathode copper bar are laminated together and are arranged at the one side having the opening of the fixing frame, the insulation film is arranged between the bus anode copper bar and the bus cathode copper bar, an anode and a cathode of the bus capacitor set are respectively connected with the bus anode copper bar and the bus cathode copper bar through screws, output ends of the bus anode copper bar and the bus cathode copper bar are electrically connected with the IGBT module, the surface of the heat radiator is further provided with an insulation column, and the output ends of the bus anode copper bar and the bus cathode copper bar are fixed on the insulation column through screws. The bus capacitor inversion module structure has advantages of compact structure, low cost and long service life.
Description
Technical field
The utility model relates to a kind of bus capacitor inversion module, especially a kind of inverter median generatrix electric capacity inversion module structure.
Background technology
It is CN102195558A that State Intellectual Property Office discloses publication number on September 21st, 2011, the application for a patent for invention document of many level variable speed drivers that patent name is smaller capacitive and control method thereof.Target of the present invention is to adopt by " striding capacitance " the many level variable speed drivers topology for C-less driver applications.Utilize specific control, in the time stopping driver, guarantee the striding capacitance device decoupling zero of direct current C-less capacitor and inverter.In this way, reduce the Harmonics of Input of many level variable speed drivers, the size of the many level variable speed drivers of optimum C-less, and then optimum product cost.A kind of many level variable speed drivers with smaller capacitive are provided, comprise: diode rectifier; There is the striding capacitance inverter of the first capacitor (Cb1), the second capacitor (Cb2) and the 3rd capacitor (Cb3); There is the DC link of the 4th capacitor (Ca); And modulator, for outputting a control signal to multiple power cells of striding capacitance inverter, to control conducting and the cut-off of multiple power cells, wherein, in the time that described driver stops, modulator is exported the first control signal with by the first to the 3rd capacitor (Cb1, Cb2, Cb3) and the 4th capacitor (Ca) decoupling zero.
Above-mentioned patent is completely different from the technical scheme of this patent, and the technical problem solving is also different.
In existing Photovoltaic Inverter, bus capacitor group is fixing complicated, and when capacitance group, the positive and negative copper bar of laminated bus are connected with IGBT module, due to the stressed IGBT of damage module, the bus capacitor inversion module life-span is short, maintenance is inconvenient, cost is high.
Summary of the invention
The purpose of this utility model is to provide that a kind of cost is low, the inverter median generatrix electric capacity inversion module structure of long service life.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of inverter median generatrix electric capacity inversion module structure, it is mainly by radiator, bus capacitor group, the fixed frame of one side opening, the anodal copper bar of bus and bus negative pole copper bar, dielectric film and IGBT module composition, described fixed frame and IGBT module are fixed on the surface of radiator, bus capacitor group is located in fixed frame, the anodal copper bar of bus and bus negative pole copper bar are stacked together and are located at opening one side of fixed frame, dielectric film is located between the anodal copper bar of bus and bus negative pole copper bar, the positive and negative electrode of the each bus capacitor in bus capacitor group is connected by the anodal copper bar of screw and bus and bus negative pole copper bar respectively, the output of the anodal copper bar of bus and bus negative pole copper bar is electrically connected with IGBT module.
The surface of described radiator is also provided with insulated column, described insulated column is provided with anodal switching copper bar and negative pole switching copper bar, the output of the anodal copper bar of bus and bus negative pole copper bar is screwed on insulated column, and is electrically connected with IGBT module by positive pole copper bar and the negative pole copper bar of transferring of transferring respectively.
In described fixed frame, the lower limb of biside plate is provided with ectotropic right angle flanging, and the surface of described right angle flanging is provided with microscler installing hole, and screw is fixed on fixed frame on radiator through microscler installing hole.
The length of described dielectric film and width are greater than length and the width of the anodal copper bar of described bus and bus negative pole copper bar.
In described fixed frame, the top edge of biside plate is provided with bending flanging, increases it and is subject to force intensity.
The anodal copper bar of described bus or bus negative pole copper bar are provided with corresponding with the positive electrode of the each bus capacitor in bus capacitor group or the negative electrode circle of position hole of keeping away.
Described IGBT module is provided with three, and on the anodal copper bar of described bus and bus negative pole copper bar, correspondence is provided with three outputs.
In described bus capacitor group, be provided with 5 bus capacitors.
The beneficial effects of the utility model: owing to adopting above-mentioned version, multiple bus capacitors stand upside down to be installed in parallel and not only saved space, and make structure compacter, greatly reduce the raw inductance that continues in loop; Increasing insulated column can eliminate, the stress of generation while causing copper bar to be connected with IGBT module due to mismachining tolerance, rigging error, machine transport; IGBT module, insulated column, fixed frame and radiator integral design, not only reduced the cost of product, and improve greatly filtering, commutating character in useful life and the oscillating circuit of product.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is blast structural representation of the present utility model;
Fig. 2 is the structural representation after assembling shown in Fig. 1.
In figure: 1, radiator; 2, fixed frame; 3, bus capacitor group; 4, the anodal copper bar of bus; 5, dielectric film; 6, insulated column; 7, switching copper bar; 8, switching copper bar; 9, IGBT module; 10, bending flanging; 11, right angle flanging; 12, keep away circle of position hole; 13, output; 14, output; 15, screw; 16, bus negative pole copper bar; 17, screw.
Embodiment
As shown in Figure 1, 2, a kind of inverter median generatrix electric capacity inversion module structure, it is mainly made up of the anodal copper bar 4 of fixed frame 2, bus and bus negative pole copper bar 16, dielectric film 5, insulated column 6 and the IGBT module 9 of radiator 1, bus capacitor group 3, a side opening, described IGBT module 9 is provided with three, on the anodal copper bar 4 of described bus and bus negative pole copper bar 16, correspondence is provided with three outputs 13 and three outputs 14 respectively, is provided with 5 bus capacitors in described bus capacitor group 3.Described fixed frame 2, insulated column 6 and IGBT module 9 are fixed on the surface of radiator 1, bus capacitor group 3 is located in fixed frame 2, the anodal copper bar 4 of bus and bus negative pole copper bar 16 are stacked together and are located at opening one side of fixed frame 2, dielectric film 5 is located between the anodal copper bar 4 of bus and bus negative pole copper bar 16, and the length of described dielectric film 5 and width are greater than length and the width of the anodal copper bar 4 of described bus and bus negative pole copper bar 16; The positive and negative electrode of the each bus capacitor in bus capacitor group 3 is connected by the anodal copper bar 4 of screw 17 and bus and bus negative pole copper bar 16 respectively, the output of the anodal copper bar 4 of bus and bus negative pole copper bar 16 is fixed on insulated column 6 by screw 15, and is electrically connected with IGBT module 9 by positive pole copper bar 7 and the negative pole copper bar 8 of transferring of transfer respectively.Said structure has ensured to make above-mentioned each device and radiator can form integraty.In addition, increase insulated column and can eliminate the stress producing while causing copper bar to be connected with IGBT module due to mismachining tolerance, rigging error, machine transport.
Further, in described fixed frame 2, the lower limb of biside plate is provided with ectotropic right angle flanging 11, and the surface of described right angle flanging 11 is provided with microscler installing hole, and screw is fixed on fixed frame on radiator through microscler installing hole.In described fixed frame, the top edge of biside plate is provided with bending flanging 10, increases it and is subject to force intensity.
Further, described bus negative pole copper bar 16 is provided with corresponding with the positive electrode of the each bus capacitor in the bus capacitor group circle of position hole 12 of keeping away, to ensure to meet the installation provision of both positive and negative polarity.
The above is preferred implementation of the present utility model; certainly can not limit with this interest field of the utility model; should be understood that; for those skilled in the art; the technical solution of the utility model is modified or is equal to replacement, do not depart from the protection range of technical solutions of the utility model.
Claims (8)
1. an inverter median generatrix electric capacity inversion module structure, it is characterized in that: it is mainly by radiator, bus capacitor group, the fixed frame of one side opening, the anodal copper bar of bus and bus negative pole copper bar, dielectric film and IGBT module composition, described fixed frame and IGBT module are fixed on the surface of radiator, bus capacitor group is located in fixed frame, the anodal copper bar of bus and bus negative pole copper bar are stacked together and are located at opening one side of fixed frame, dielectric film is located between the anodal copper bar of bus and bus negative pole copper bar, the positive and negative electrode of the each bus capacitor in bus capacitor group is connected by the anodal copper bar of screw and bus and bus negative pole copper bar respectively, the output of the anodal copper bar of bus and bus negative pole copper bar is electrically connected with IGBT module.
2. inverter median generatrix electric capacity inversion module structure according to claim 1, it is characterized in that: the surface of described radiator is also provided with insulated column, described insulated column is provided with anodal switching copper bar and negative pole switching copper bar, the output of the anodal copper bar of bus and bus negative pole copper bar is screwed on insulated column, and is electrically connected with IGBT module by positive pole copper bar and the negative pole copper bar of transferring of transferring respectively.
3. inverter median generatrix electric capacity inversion module structure according to claim 1 and 2, it is characterized in that: in described fixed frame, the lower limb of biside plate is provided with ectotropic right angle flanging, the surface of described right angle flanging is provided with microscler installing hole, and screw is fixed on fixed frame on radiator through microscler installing hole.
4. inverter median generatrix electric capacity inversion module structure according to claim 2, is characterized in that: the length of described dielectric film and width are greater than length and the width of the anodal copper bar of described bus and bus negative pole copper bar.
5. inverter median generatrix electric capacity inversion module structure according to claim 3, is characterized in that: in described fixed frame, the top edge of biside plate is provided with bending flanging.
6. inverter median generatrix electric capacity inversion module structure according to claim 2, is characterized in that: the anodal copper bar of described bus or bus negative pole copper bar are provided with corresponding with the positive electrode of the each bus capacitor in bus capacitor group or the negative electrode circle of position hole of keeping away.
7. inverter median generatrix electric capacity inversion module structure according to claim 2, is characterized in that: described IGBT module is provided with three, and on the anodal copper bar of described bus and bus negative pole copper bar, correspondence is provided with three outputs.
8. inverter median generatrix electric capacity inversion module structure according to claim 2, is characterized in that: in described bus capacitor group, be provided with 5 bus capacitors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157117.6U CN203788165U (en) | 2014-04-02 | 2014-04-02 | Bus capacitor inversion module structure in inversion power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157117.6U CN203788165U (en) | 2014-04-02 | 2014-04-02 | Bus capacitor inversion module structure in inversion power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788165U true CN203788165U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420157117.6U Expired - Lifetime CN203788165U (en) | 2014-04-02 | 2014-04-02 | Bus capacitor inversion module structure in inversion power source |
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| CN (1) | CN203788165U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111995A (en) * | 2019-05-29 | 2019-08-09 | 深圳市麦格米特驱动技术有限公司 | A kind of capacitor assembling structure |
| CN110932567A (en) * | 2019-10-29 | 2020-03-27 | 珠海格力电器股份有限公司 | Main motor driver and new energy vehicle |
| CN111566927A (en) * | 2018-03-08 | 2020-08-21 | 重庆金康新能源汽车有限公司 | Power converter for electric vehicle drive system |
| CN112017861A (en) * | 2020-07-29 | 2020-12-01 | 南京华士电子科技有限公司 | Device and method capable of assembling and disassembling capacitor from front side |
-
2014
- 2014-04-02 CN CN201420157117.6U patent/CN203788165U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111566927A (en) * | 2018-03-08 | 2020-08-21 | 重庆金康新能源汽车有限公司 | Power converter for electric vehicle drive system |
| CN111566927B (en) * | 2018-03-08 | 2023-06-23 | 重庆金康新能源汽车有限公司 | Power converter for electric vehicle drive system |
| CN110111995A (en) * | 2019-05-29 | 2019-08-09 | 深圳市麦格米特驱动技术有限公司 | A kind of capacitor assembling structure |
| CN110111995B (en) * | 2019-05-29 | 2024-02-09 | 深圳市麦格米特驱动技术有限公司 | Capacitor assembly structure |
| CN110932567A (en) * | 2019-10-29 | 2020-03-27 | 珠海格力电器股份有限公司 | Main motor driver and new energy vehicle |
| CN112017861A (en) * | 2020-07-29 | 2020-12-01 | 南京华士电子科技有限公司 | Device and method capable of assembling and disassembling capacitor from front side |
| CN112017861B (en) * | 2020-07-29 | 2021-10-22 | 南京华士电子科技有限公司 | Device and method capable of assembling and disassembling capacitor from front side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: TIANBAO ELECTRONIC (HUIZHOU) CO., LTD. Effective date: 20150519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150519 Address after: 516005 Dongjiang Industrial Zone, Shuikou subdistrict, Huicheng District, Guangdong, Huizhou Patentee after: HUIZHOU TEN SOURCES SOLAR ELECTRICITY Ltd. Address before: 516005 Dongjiang Industrial Zone, Shuikou subdistrict, Huicheng District, Guangdong, Huizhou Patentee before: HUIZHOU TEN SOURCES SOLAR ELECTRICITY Ltd. Patentee before: TEN PAO ELECTRONICS (HUIZHOU) Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |