CN104660016A - Power system structure - Google Patents
Power system structure Download PDFInfo
- Publication number
- CN104660016A CN104660016A CN201510022129.7A CN201510022129A CN104660016A CN 104660016 A CN104660016 A CN 104660016A CN 201510022129 A CN201510022129 A CN 201510022129A CN 104660016 A CN104660016 A CN 104660016A
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- China
- Prior art keywords
- copper bar
- bus capacitor
- bar
- busbar
- direct current
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000003990 capacitor Substances 0.000 claims abstract description 64
- 239000010949 copper Substances 0.000 claims abstract description 64
- 229910052802 copper Inorganic materials 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The invention relates to a power system structure which comprises a power module and a structure connected with a system, wherein a direct-current positive busbar is arranged above the power module; a direct-current negative busbar and a main bus copper bar are connected through a transfer copper bar; the structure connected with the system comprises a transfer copper bar nut plate and a compression module direct-current busbar leading-out terminal of the transfer copper bar; an alternating-current copper bar on the rear lower side of the power module is directly connected with an alternating-current copper bar of the system; a bus capacitor passes through a bus capacitor fixing plate, and a bus capacitor clamping plate and a capacitor clamping pull rod are fixed on a module fixing bracket and a water cooling plate; two terminals of the direct-current positive busbar and two terminals of the direct-current negative busbar are upward, are led out and are respectively connected with the main bus copper bar. With the adoption of the system structure and the power module structure provided by the invention, high power density, compact structure and a good water cooling heat dissipation effect of the bus capacitor and an IGBT (Insulated Gate Bipolar Transistor) can be realized; a direct-current copper bar and the alternating-current copper bar of the power module are respectively led out up and down; through a transfer structure, mounting and connection are reliable and convenient, and the characteristics of high power and compact structure are realized.
Description
Technical field
The present invention relates to a kind of power system structure being applied to high-power converter, comprise the structure that power modules is connected with system, belong to mechanical field.
Background technology
The present invention relates to a kind of organization plan of power system, for present high-power converter, power density increases and causes volume to become large, and whole system space is less, causes system to connect difficulty and increases; System power is increasing, and requirement must have reliable system to connect.This just requires that power system structure is very compact, and does not affect installation and maintenance performance.
Summary of the invention
The invention provides a kind of power system structure, its object is to solve the technical barrier that existing high-power converter volume is excessive, space is less.
Technical scheme of the present invention: a kind of power system structure, the structure comprising power modules and be connected with system, wherein power modules comprises, the positive busbar of module fixed support, cooled plate, IGBT, bus capacitor, direct current, direct current are born busbar, AC copper-line, the fixed block of DC master row, bus capacitor fixed head, bus capacitor clamping plate and capacitor clamp and are strained at bar, carry out with power modules the structure that system is connected to comprise, main bus bar copper bar, switching copper bar, switching copper bar nutplate, system AC copper-line; The positive busbar of direct current above power modules, direct current is born busbar and is connected by switching copper bar with main bus bar copper bar, switching copper bar nutplate and switching copper bar compression module DC master row leading-out terminal; The AC copper-line of the power modules back lower place is directly connected with system AC copper-line; The structure of power modules is that IGBT and bus capacitor are close in cooled plate, and bus capacitor is by bus capacitor fixed head, and bus capacitor clamping plate and capacitor clamp strain at bar and be fixed in module fixed support and cooled plate; The positive busbar of direct current, direct current bear busbar respectively has two terminals extractions to be connected with main bus bar copper bar respectively, and leading-out terminal upward; The positive busbar of direct current, direct current are born leading-out terminal on busbar and are fixed on module fixed support by DC master row fixed block.
IGBT in described power modules, bus capacitor are close to cooled plate, bus capacitor (4) is by bus capacitor fixed head and bus capacitor clamping plate, the some capacitor clamps be fixed in cooled plate are coordinated to strain at bar again, bus capacitor is contacted fully, the cooling effect ensured with cooled plate.
Described bus capacitor fixed head and bus capacitor clamping plate material are aluminium alloy.
On described DC master row, leading-out terminal is fixed on DC master row fixed block, DC master row fixed block is a kind of insulation SMC material, be fixed on module fixed support assembly by bus capacitor clamping plate, to avoid DC master row to conduct on capacitor terminal and IGBT terminal with main bus bar copper bar stress when being connected, and ensure insulation.
Module AC copper-line position in described power modules is in position, the module back lower place; Directly be connected with system AC copper-line, simply easy to operate.
The positive and negative busbar of described direct current is connected by switching copper bar with main bus bar copper bar, ensures to connect reliably, without the stress that scale error causes.
The connecting hole of the upper leading-out terminal of described DC master row is upper and lower waist-shaped hole structure, and the connecting hole of switching copper bar is fore-and-aft direction waist-shaped hole, solves manufacturing and positioning errors problem.
The structure of described switching copper bar nutplate is one piece of metallic plate, metallic plate can be steel plate also can be aluminium alloy plate, self-clinching nut on metallic plate, need good intensity, by four Edge Bend proof strengths, size is identical with the leading-out terminal size of module DC master row, and the self-clinching nut in nutplate directly locked by trip bolt.When module DC master row leading-out terminal is connected with the switching copper bar on main bus bar copper bar, switching copper bar and switching copper bar nutplate step up module DC master row leading-out terminal on both sides, ensure that whole connecting end surface reliably connects, avoid contact badly to cause the problems such as heating; And solve the operating difficulties problem of the use screw bolt and nut caused due to spatial limitation.
The invention has the advantages that: it is large that system configuration of the present invention and power modules organization plan can realize power density, compact conformation, bus capacitor and IGBT good by water-cooling, direct current and the AC copper-line of power modules are drawn respectively up and down, by exchanging structure, installation is connected reliable, convenient, realize the high-power and feature of compact conformation.
Accompanying drawing explanation
Fig. 1 is power system schematic diagram of the present invention;
Fig. 2 is main bus bar copper bar, switching copper bar and module busbar copper bar connected mode schematic diagram;
Fig. 3 is power modules schematic diagram;
Fig. 4 is that switching copper bar and switching copper bar nutplate clamp module busbar leading-out terminal coordinate schematic diagram;
Fig. 5 is switching copper bar nutplate structural representation.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As Fig. 1 and Fig. 2, a kind of power system structure, the structure comprising power modules and be connected with system, wherein power modules 100 comprises, the positive busbar 5 of module fixed support 1, cooled plate 2, IGBT 3, bus capacitor 4, direct current, direct current are born busbar 6, AC copper-line 7, the fixed block 8 of DC master row, bus capacitor fixed head 9, bus capacitor clamping plate 10 and capacitor clamp and are strained at bar 16, carry out as Fig. 3 and power modules 100 structure that system is connected to comprise, main bus bar copper bar 11, switching copper bar 12, switching copper bar nutplate 13, system AC copper-line 14; The positive busbar 5 of direct current above power modules 100, direct current is born busbar 6 and is connected by switching copper bar 12 with main bus bar copper bar 11, switching copper bar nutplate 13 and switching copper bar 12 compression module DC master row leading-out terminal 5-1; The AC copper-line 7 of power modules 100 back lower place is directly connected with system AC copper-line 14; The structure of power modules 100 is that IGBT3 and bus capacitor 4 are close in cooled plate, and bus capacitor 4 is by bus capacitor fixed head 9, and bus capacitor clamping plate 10 and capacitor clamp strain at bar 16 and be fixed in module fixed support 1 and cooled plate 2; The positive busbar 5 of direct current, direct current bear busbar 6 respectively has two terminals extractions to be connected with main bus bar copper bar 11 respectively, and leading-out terminal upward; The positive busbar 5 of direct current, direct current are born the upper leading-out terminal of busbar (6) and are fixed on module fixed support 1 by DC master row fixed block 8.
IGBT3 in described power modules 100, bus capacitor 4 are close to cooled plate 2, bus capacitor 4 is by bus capacitor fixed head 9 and bus capacitor clamping plate 10, coordinating the some capacitor clamps be fixed in cooled plate 2 to strain at bar 16 again makes bus capacitor contact fully with cooled plate, the cooling effect ensured.
Described bus capacitor fixed head 9 and bus capacitor clamping plate 10 material are aluminium alloy.
The positive busbar 5 of direct current in described power modules 100 and direct current bear busbar 6 has two terminals to draw respectively, and leading-out terminal upward, is connected simple and convenient by switching copper bar 12 with main bus bar copper bar.
On described DC master row, leading-out terminal is fixed on DC master row fixed block 8, DC master row fixed block 8 is a kind of insulation SMC materials, be fixed on module fixed support assembly 1 by bus capacitor clamping plate 10, to avoid DC master row to conduct on capacitor terminal and IGBT terminal with main bus bar copper bar stress when being connected, and ensure insulation.
Module AC copper-line 7 position in described power modules 100 is in position, the module back lower place; Directly be connected with system AC copper-line 14, simply easy to operate.
Described DC master row 5,6 is connected by switching copper bar 12 with main bus bar copper bar 11, ensures to connect reliably, without the stress that scale error causes.
The connecting hole of the upper leading-out terminal 5-1 of described DC master row is upper and lower waist-shaped hole structure 5-2, and the connecting hole of switching copper bar 12 is fore-and-aft direction waist-shaped hole 12-2, solves manufacturing and positioning errors problem.
The structure of described switching copper bar nutplate 13 is one piece of metallic plate, metallic plate can be steel plate also can be aluminium alloy plate, self-clinching nut 13-1 on metallic plate, need good intensity, by four Edge Bend 13-2 proof strengths, size is identical with the leading-out terminal 5-1 size of module DC master row, and the self-clinching nut 13-1 in nutplate directly locked by trip bolt 15.When module DC master row leading-out terminal is connected with the switching copper bar on main bus bar copper bar, switching copper bar 12 and switching copper bar nutplate 13 step up module DC master row leading-out terminal 5-1 on both sides, ensure that whole connecting end surface reliably connects, avoid contact badly to cause the problems such as heating; And solve the operating difficulties problem of the use screw bolt and nut caused due to spatial limitation.
The invention has the advantages that: it is large that system configuration of the present invention and power modules organization plan can realize power density, compact conformation, bus capacitor and IGBT good by water-cooling, direct current and the AC copper-line of power modules are drawn respectively up and down, by exchanging structure, installation is connected reliable, convenient, realize the high-power and feature of compact conformation.
Claims (7)
1. a power system structure, it is characterized in that: the structure comprising power modules and be connected with system, wherein power modules (100) comprises, module fixed support (1), cooled plate (2), IGBT (3), bus capacitor (4), the positive busbar of direct current (5), direct current bears busbar (6), AC copper-line (7), the fixed block (8) of DC master row, bus capacitor fixed head (9), bus capacitor clamping plate (10) and capacitor clamp strain at bar (16), carry out with power modules (100) structure that system is connected to comprise, main bus bar copper bar (11), switching copper bar (12), switching copper bar nutplate (13), system AC copper-line (14), power modules (100) the top positive busbar of direct current (5), direct current is born busbar (6) and is connected by switching copper bar (12) with main bus bar copper bar (11), switching copper bar nutplate (13) and switching copper bar (12) compression module DC master row leading-out terminal (5-1), the AC copper-line (7) of power modules (100) back lower place is directly connected with system AC copper-line (14), the structure of power modules (100) is IGBT(3) and bus capacitor (4) be close in cooled plate, bus capacitor (4) is by bus capacitor fixed head (9), and bus capacitor clamping plate (10) and capacitor clamp strain at bar (16) and be fixed in module fixed support (1) and cooled plate (2), the positive busbar of direct current (5), direct current bear busbar (6) respectively has two terminals extractions to be connected with main bus bar copper bar (11) respectively, and leading-out terminal upward, the positive busbar of direct current (5), direct current are born the upper leading-out terminal of busbar (6) and are fixed on module fixed support (1) by DC master row fixed block (8).
2. a kind of power system structure according to claim 1, it is characterized in that: the IGBT(3 in described power modules (100)), bus capacitor (4) is close to cooled plate (2), bus capacitor (4) is by bus capacitor fixed head (9) and bus capacitor clamping plate (10), coordinating the some capacitor clamps be fixed in cooled plate (2) to strain at bar (16) again makes bus capacitor contact fully with cooled plate, the cooling effect ensured.
3. a kind of power system structure according to claim 2, is characterized in that: described bus capacitor fixed head (9) and bus capacitor clamping plate (10) material are aluminium alloy.
4. a kind of power system structure according to claim 1, it is characterized in that: the positive busbar of direct current (5) in described power modules (100) and direct current bear busbar (6) has two terminals to draw respectively, and leading-out terminal upward, be connected simple and convenient by switching copper bar (12) with main bus bar copper bar.
5. a kind of power system structure according to claim 1, it is characterized in that: on described DC master row, leading-out terminal is fixed on DC master row fixed block (8), DC master row fixed block (8) is a kind of insulation SMC material, be fixed on module fixed support assembly (1) by bus capacitor clamping plate (10), to avoid DC master row to conduct on capacitor terminal and IGBT terminal with main bus bar copper bar stress when being connected, and ensure insulation.
6. a kind of power system structure according to claim 1, it is characterized in that: the connecting hole of the upper leading-out terminal (5-1) of described DC master row is upper and lower waist-shaped hole structure (5-2), and the connecting hole of switching copper bar (12) is fore-and-aft direction waist-shaped hole (12-2).
7. a kind of power system structure according to claim 6, it is characterized in that: the structure of described switching copper bar nutplate (13) is one piece of metallic plate, metallic plate can be steel plate also can be aluminium alloy plate, self-clinching nut (13-1) on metallic plate, need good intensity, by four Edge Bend (13-2) proof strengths, size is identical with leading-out terminal (5-1) size of module DC master row, and the self-clinching nut (13-1) in nutplate directly locked by trip bolt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022129.7A CN104660016A (en) | 2015-01-16 | 2015-01-16 | Power system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022129.7A CN104660016A (en) | 2015-01-16 | 2015-01-16 | Power system structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104660016A true CN104660016A (en) | 2015-05-27 |
Family
ID=53250811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510022129.7A Pending CN104660016A (en) | 2015-01-16 | 2015-01-16 | Power system structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104660016A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958541A (en) * | 2016-06-13 | 2016-09-21 | 天津瑞能电气有限公司 | Fast installation and connection structure for wind power generation converter circuit breaker and rear end copper bars |
| WO2018036354A1 (en) * | 2016-08-24 | 2018-03-01 | 比亚迪股份有限公司 | Intelligent power module, motor controller, and vehicle |
| CN111030478A (en) * | 2019-12-26 | 2020-04-17 | 荣信汇科电气技术有限责任公司 | Flexible direct-current power module with multi-level explosion-proof and protection structure |
| CN118337082A (en) * | 2024-04-10 | 2024-07-12 | 西安交通大学 | Full-bridge power module and design method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1118429A (en) * | 1997-06-24 | 1999-01-22 | Hitachi Ltd | Control module |
| CN202034891U (en) * | 2011-05-05 | 2011-11-09 | 艾默生网络能源有限公司 | Full-water-cooling power module |
| CN202435250U (en) * | 2012-02-06 | 2012-09-12 | 国电南瑞科技股份有限公司 | Power unit module of frame-type water-cooling converter |
| CN203056828U (en) * | 2012-12-30 | 2013-07-10 | 北京科诺伟业科技有限公司 | IGBT parallel connection power-unit structure layout |
| CN203813676U (en) * | 2014-04-24 | 2014-09-03 | 深圳市英威腾交通技术有限公司 | IGBT power unit |
| CN204316311U (en) * | 2015-01-16 | 2015-05-06 | 浙江海得新能源有限公司 | A kind of power system structure |
-
2015
- 2015-01-16 CN CN201510022129.7A patent/CN104660016A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1118429A (en) * | 1997-06-24 | 1999-01-22 | Hitachi Ltd | Control module |
| CN202034891U (en) * | 2011-05-05 | 2011-11-09 | 艾默生网络能源有限公司 | Full-water-cooling power module |
| CN202435250U (en) * | 2012-02-06 | 2012-09-12 | 国电南瑞科技股份有限公司 | Power unit module of frame-type water-cooling converter |
| CN203056828U (en) * | 2012-12-30 | 2013-07-10 | 北京科诺伟业科技有限公司 | IGBT parallel connection power-unit structure layout |
| CN203813676U (en) * | 2014-04-24 | 2014-09-03 | 深圳市英威腾交通技术有限公司 | IGBT power unit |
| CN204316311U (en) * | 2015-01-16 | 2015-05-06 | 浙江海得新能源有限公司 | A kind of power system structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958541A (en) * | 2016-06-13 | 2016-09-21 | 天津瑞能电气有限公司 | Fast installation and connection structure for wind power generation converter circuit breaker and rear end copper bars |
| WO2018036354A1 (en) * | 2016-08-24 | 2018-03-01 | 比亚迪股份有限公司 | Intelligent power module, motor controller, and vehicle |
| CN111030478A (en) * | 2019-12-26 | 2020-04-17 | 荣信汇科电气技术有限责任公司 | Flexible direct-current power module with multi-level explosion-proof and protection structure |
| CN111030478B (en) * | 2019-12-26 | 2022-01-04 | 荣信汇科电气股份有限公司 | Flexible direct-current power module with multi-level explosion-proof and protection structure |
| CN118337082A (en) * | 2024-04-10 | 2024-07-12 | 西安交通大学 | Full-bridge power module and design method thereof |
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Application publication date: 20150527 |
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