CN204316311U - A kind of power system structure - Google Patents
A kind of power system structure Download PDFInfo
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- CN204316311U CN204316311U CN201520030099.XU CN201520030099U CN204316311U CN 204316311 U CN204316311 U CN 204316311U CN 201520030099 U CN201520030099 U CN 201520030099U CN 204316311 U CN204316311 U CN 204316311U
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- direct current
- copper bar
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Abstract
A kind of power system structure, the structure comprising power modules and be connected with system, 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; 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.It is large that system configuration described in the utility model 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.
Description
Technical field
The utility model relates to a kind of power system structure being applied to high-power converter, comprises the structure that power modules is connected with system, belongs to mechanical field.
Background technology
The utility model relates to a kind of organization plan of power system, and 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.
Utility model content
The utility model 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.
The technical solution of the utility model: 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 utility model advantage is: it is large that system configuration described in the utility model 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 utility model;
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 embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model 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 utility model advantage is: it is large that system configuration described in the utility model 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 |
|---|---|---|---|
| CN201520030099.XU CN204316311U (en) | 2015-01-16 | 2015-01-16 | A kind of power system structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520030099.XU CN204316311U (en) | 2015-01-16 | 2015-01-16 | A kind of power system structure |
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| CN204316311U true CN204316311U (en) | 2015-05-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660016A (en) * | 2015-01-16 | 2015-05-27 | 浙江海得新能源有限公司 | Power system structure |
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2015
- 2015-01-16 CN CN201520030099.XU patent/CN204316311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660016A (en) * | 2015-01-16 | 2015-05-27 | 浙江海得新能源有限公司 | Power system structure |
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