CN103138537A - Laminated bus bar used for rectifier module - Google Patents
Laminated bus bar used for rectifier module Download PDFInfo
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- CN103138537A CN103138537A CN2011103901472A CN201110390147A CN103138537A CN 103138537 A CN103138537 A CN 103138537A CN 2011103901472 A CN2011103901472 A CN 2011103901472A CN 201110390147 A CN201110390147 A CN 201110390147A CN 103138537 A CN103138537 A CN 103138537A
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- bus bar
- busbar
- composite bus
- terminals
- rectification module
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Abstract
The invention provides a laminated bus bar used for a rectifier module, wherein the laminated bus bar is composed of stacking of three flat bus bars. Two terminals are led out on the first layer of bus bar and used for inputting alternative voltages, two terminals are led out on the second layer of bus bar and used for outputting forward direction direct voltages, and two terminals are led out on the third layer of bus bar and used for outputting negative direct voltages. A direct current bus bar in the prior art is replaced with the laminated bus bar used for the rectifier module, the laminated bus bar used for the rectifier module is arranged to be flat, and parasitic inductance in circuits is reduced, so that reliability of the circuits is improved.
Description
Technical field
The present invention relates to electronic technology, relate in particular to a kind of composite bus bar for rectification module.
Background technology
In power electronic technology and application apparatus today to the high frequency development, in system particularly the parasitic parameter of connecting line produce huge electric stress, become the key factor that threatens the power electronic equipment reliability.
The power device of high power frequency conversion power supply is in switching process, impact due to the stray inductance on circuit connection and IGBT module self inductance, can produce very high peak voltage, this peak voltage, can make device overheated, even sometimes make IGBT out of control and surpass the load rated safety service area of device and damage.Use simultaneously a large amount of cable to connect, make that whole main circuit cost is high, structure is too fat to move, take larger space, product quality descends.
Summary of the invention
The invention provides a kind of composite bus bar for rectification module, to solve in prior art because the circuit connection stray inductance causes greatly the impaired defective of power device, improve circuit reliability, extend power device useful life, save simultaneously circuit space, reduce costs, improve the quality of products.The invention provides a kind of composite bus bar for rectification module, wherein, the busbar that comprises three flat, described busbar stacks and forms described composite bus bar, draw two terminals for input ac voltage on the ground floor busbar, draw two terminals for output forward dc voltage on second layer busbar, draw for two terminals exporting negative DC voltage on the 3rd layer of busbar.
Composite bus bar for rectification module as above wherein, preferably, also is provided with capacitive interface and resistance interface on described composite bus bar.
Composite bus bar for rectification module provided by the invention has replaced dc bus of the prior art and has been set to flat, has reduced the stray inductance in the circuit, thereby has improved the reliability of circuit.Reduce simultaneously the circuit volume, reduced cost.
Description of drawings
The composite bus bar structural representation that is used for rectification module that Fig. 1 provides for the embodiment of the present invention.
The rectification module construction profile figure of the composite bus bar using the embodiment of the present invention and provide is provided Fig. 2.
The rectification module circuit theory diagrams of the composite bus bar using the embodiment of the present invention and provide are provided Fig. 3.
Reference numeral:
The 1-composite bus bar; The 11-terminal; The 12-capacitive interface;
The 13-resistance interface.
Embodiment
the composite bus bar structural representation that is used for rectification module that Fig. 1 provides for the embodiment of the present invention, the rectification module construction profile figure of the composite bus bar using the embodiment of the present invention and provide is provided Fig. 2, the rectification module circuit theory diagrams of the composite bus bar using the embodiment of the present invention and provide are provided Fig. 3, the embodiment of the present invention provides a kind of composite bus bar for rectification module, its applicable rectification module can form rectification circuit by insulated gate bipolar transistor, for example this composite bus bar can be applied in as shown in Figure 2 rectification module, this composite bus bar is stacked by the busbar of three flat and forms, draw two terminals 11 for input ac voltage on the ground floor busbar, S3 as shown in Figure 3 and S5, draw two terminals 11 for output forward dc voltage on second layer busbar, it is S1 and S7, draw for two terminals 11 exporting negative DC voltage on the 3rd layer of busbar, it is S2 and S6, and by after S3 and S5 introducing alternating voltage, the direct current that needing to obtain through rectification circuit flows voltage, and direct voltage is exported through S1, S2, S6 and S7.In said structure, by busbar is stacked together, can make the electric current that flows through opposite direction in adjacent wires, cancel out each other in its magnetic field, thereby further reduce the stray inductance in circuit.
Usually can use main circuit overvoltage Absorption Capacitance and discharge resistance in the power model of application composite bus bar 1, accordingly capacitive interface 12 and resistance interface 13 can be set on composite bus bar 1, as shown in Figure 1, make circuit integration, reduce the volume of whole circuit.
Further, be filled with insulating laminated sheet in the gap between three layers of busbar, and every layer of busbar covering be equipped with polyester film, above-mentioned insulating laminated sheet has high insulation resistance, and electric property is good under high humidity environment, and anti-flammability and arc resistance better.
In actual applications, each busbar can be comprised of the copper bar that monolithic or multi-disc thickness are 3-4mm, be used for drawing above-mentioned a plurality of terminals 11, design by said structure, the stray inductance of this composite bus bar 1 can be less than 50nH, compared with prior art, reduce the stray inductance of circuit, improved the reliability of circuit.Solved cable connection structure too fat to move, the defective that reliability is low has reduced system bulk simultaneously, has facilitated maintenance and the maintenance of main circuit.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. composite bus bar that is used for rectification module, it is characterized in that, described composite bus bar is stacked by the busbar of three flat and forms, draw two terminals for input ac voltage on the ground floor busbar, draw two terminals for output forward dc voltage on second layer busbar, draw for two terminals exporting negative DC voltage on the 3rd layer of busbar.
2. the composite bus bar for rectification module according to claim 1, is characterized in that, also is provided with capacitive interface and resistance interface on described composite bus bar.
3. the composite bus bar for rectification module according to claim 1, is characterized in that, the gap-fill between described three layers of busbar has insulating laminated sheet, and every layer of busbar covering is equipped with polyester film.
4. according to claim 1-3 arbitrary described composite bus bars for rectification module, is characterized in that, the copper bar that each busbar is 3-4mm by monolithic or multi-disc thickness forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103901472A CN103138537A (en) | 2011-11-30 | 2011-11-30 | Laminated bus bar used for rectifier module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103901472A CN103138537A (en) | 2011-11-30 | 2011-11-30 | Laminated bus bar used for rectifier module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103138537A true CN103138537A (en) | 2013-06-05 |
Family
ID=48497965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103901472A Pending CN103138537A (en) | 2011-11-30 | 2011-11-30 | Laminated bus bar used for rectifier module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103138537A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505876A (en) * | 2016-12-21 | 2017-03-15 | 武汉东城新能源有限公司 | A kind of power cell of H-bridge inverter circuit |
| CN107466162A (en) * | 2017-07-19 | 2017-12-12 | 胜宏科技（惠州）股份有限公司 | A kind of efficient stack bus bar board manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345503Y (en) * | 2009-02-04 | 2009-11-11 | 永济新时速电机电器有限责任公司 | Composite bus bar |
| US20110044010A1 (en) * | 2009-06-30 | 2011-02-24 | Enrique Ledezma | Pluggable power cell for an inverter |
| CN201877144U (en) * | 2010-10-25 | 2011-06-22 | 上海鹰峰电子科技有限公司 | Insulating wrapped laminated bus structure |
| CN201893688U (en) * | 2010-12-14 | 2011-07-06 | 湘潭电机股份有限公司 | Megawatt power conversion component |
-
2011
- 2011-11-30 CN CN2011103901472A patent/CN103138537A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345503Y (en) * | 2009-02-04 | 2009-11-11 | 永济新时速电机电器有限责任公司 | Composite bus bar |
| US20110044010A1 (en) * | 2009-06-30 | 2011-02-24 | Enrique Ledezma | Pluggable power cell for an inverter |
| CN201877144U (en) * | 2010-10-25 | 2011-06-22 | 上海鹰峰电子科技有限公司 | Insulating wrapped laminated bus structure |
| CN201893688U (en) * | 2010-12-14 | 2011-07-06 | 湘潭电机股份有限公司 | Megawatt power conversion component |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505876A (en) * | 2016-12-21 | 2017-03-15 | 武汉东城新能源有限公司 | A kind of power cell of H-bridge inverter circuit |
| CN107466162A (en) * | 2017-07-19 | 2017-12-12 | 胜宏科技（惠州）股份有限公司 | A kind of efficient stack bus bar board manufacturing method |
| CN107466162B (en) * | 2017-07-19 | 2019-05-14 | 胜宏科技（惠州）股份有限公司 | A kind of stack bus bar board manufacturing method |
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| PB01 | Publication | ||
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Application publication date: 20130605 |