CN202435246U

CN202435246U - Main body device of power module

Info

Publication number: CN202435246U
Application number: CN2012200192934U
Authority: CN
Inventors: 陶高周; 李国宏; 黄彭发; 张磊
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2012-01-17
Filing date: 2012-01-17
Publication date: 2012-09-12
Anticipated expiration: 2022-01-17

Abstract

The utility model specifically relates to a high-power module main body device applied to wind energy converters and photovoltaic inverters. The device includes a plurality of capacitor modules and a plurality of power modules, the capacitor modules are connected to capacitor busbars, the power modules are connected to power busbars, the capacitor busbars and power busbars are vertically connected to each other, and the capacitor modules The power module is located on the upper part of the capacitor busbar, and the power module is located on the lower part of the capacitor busbar. It is divided into multiple capacitor modules and multiple power modules, so that each module is very small, and one person can complete the disassembly and installation of each module, which effectively reduces maintenance costs and difficulty; and the capacitor module is on the , The structure of the power module at the bottom also effectively saves space and occupies a small volume.

Description

The agent set of power model

Technical field

The utility model relates to the new forms of energy industry, especially is applied to the powerful module bodies device of wind energy converter, photovoltaic DC-to-AC converter.

Background technology

In existing current transformer, inverter system, IGBT module, capacitance module and fan component are integrated into a power model, and whole module volume is bigger, safeguard relatively difficulty.Because of the rear side of capacitance module parallel connected end at rack, in case capacitance module is damaged, all will remove to dismantle the direct current copper bar of connection to the rear end again, maintenance cost is very high like this.

The utility model content

The agent set of the power model that the purpose of the utility model provides and a kind ofly is easy to safeguard, volume is little.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: this device comprises a plurality of capacitance modules and a plurality of power model; Said capacitance module links to each other with the electric capacity busbar, and said power model links to each other with the power busbar, and said electric capacity busbar vertically is connected with the power busbar each other; Said capacitance module is positioned at the top of electric capacity busbar, and said power model is positioned at the bottom of electric capacity busbar.

Be divided into a plurality of capacitance modules and a plurality of power model, the volume of each module is all very little like this, and a people can accomplish the dismounting and the installation of each module, effectively reduces maintenance cost and maintenance difficulties; And capacitance module last, power model under structure also effectively saved the space, it is little to take volume.

Further, the junction of described electric capacity busbar and power busbar is provided with boss.

Further, the output stage of described electric capacity busbar is arranged on front end.The output stage of electric capacity busbar can be positioned at the cabinet front portion like this, opens the cabinet door when safeguarding and just can realize front maintenance, has further saved maintenance cost.

Further, said a plurality of power models are vertically placed, and are parallel, and said power model comprises radiator, radiator fixed head and switching tube module, and said switching tube module is fixed on the radiator, and said radiator is fixed on the radiator fixed head.

Further, the junction of described electric capacity busbar and power busbar is provided with riveting nut.

Further, described power busbar and electric capacity busbar are stack bus bar.

Further, the positive pole of said a plurality of capacitance modules connects through just connecting soft busbar side by side, and the negative pole of said a plurality of capacitance modules connects through the soft busbar of negative connection side by side.

Further, this device also comprises wind-collecting cover and connecting plate, and one side of said connecting plate is fixed with wind-collecting cover, and another side and radiator are fixed.

Further, the lower surface of said electric capacity busbar is set with some guide rails, and the radiator lower end is provided with bracing frame, and the radiator fixed head is nested in the guide rail and can slides along guide rail and bracing frame.

Further, also be provided with some insulators and L type fixed head on the lower surface of said electric capacity busbar, one side of said L type fixed head is fixedly connected with insulator, and another side is fixed on the wind-collecting cover.

Description of drawings

Fig. 1 is the stereogram of an embodiment of the utility model;

Fig. 2 is the front view of an embodiment of the utility model.

Embodiment

Like Fig. 1, shown in Figure 2; The utility model one embodiment comprises a plurality of capacitance modules 10 and a plurality of power models 20; Said capacitance module 10 links to each other with electric capacity busbar 11, and said power model 20 links to each other with power busbar 21, and said electric capacity busbar 11 vertically is connected with power busbar 21 each other; Said capacitance module 10 is positioned at the top of electric capacity busbar 11, and said power model 20 is positioned at the bottom of electric capacity busbar 11.

Further, the junction of described electric capacity busbar 11 and power busbar 21 is provided with boss.Can reduce bolted area like this, cause connection unstable thereby avoid leaving joint gap because of contact-making surface is excessive.

Further, the output stage of described electric capacity busbar 11 is arranged on front end.The output stage of electric capacity busbar can be positioned at the cabinet front portion like this, opens the cabinet door when safeguarding and just can realize front maintenance, greatly reduces the difficulty of maintenance.

Further; Said a plurality of power model 20 is vertically placed, and is parallel, and said power model 20 comprises radiator 24, radiator fixed head 22 and switching tube module 27; Said switching tube module 27 is fixed on the radiator 24, and said radiator 24 is fixed on the radiator fixed head 22.The lower surface of said electric capacity busbar is set with some guide rails 23, and radiator 24 lower ends are provided with bracing frame 26, and radiator fixed head 22 is nested in the guide rail 23 and can slides along guide rail 23 and bracing frame 26.When safeguarding like this, can module be pulled out along guide rail 23 and bracing frame 26 and safeguard, very convenient.

Further, the junction of described electric capacity busbar 11 and power busbar 21 is provided with riveting nut.What can make things convenient for electric capacity busbar 11 and power busbar 21 like this is connected convenient disassembly.

Further, described power busbar 21 is stack bus bar with electric capacity busbar 11.

Further, the positive pole of said a plurality of capacitance modules 10 connects through just connecting soft busbar 12 side by side, and the negative pole of said a plurality of capacitance modules 10 connects through the soft busbar 13 of negative connection side by side.For more effective realization energy storage, filter action, often need make a complete capacitance pool.Along with the continuous increase of developed horse power, the quantity of electric capacity also can constantly increase, if make a big capacitance pool, and the busbar easy deformation, and requirement on machining accuracy is high, cost of manufacture is high, installs, safeguards also all very inconvenient.Be divided into a plurality of capacitance modules to capacitance pool, be together in parallel the positive and negative electrode of a plurality of capacitance modules through the soft busbar of positive and negative connection then, the requirement that can satisfy energy storage, filtering is convenient to again install, safeguard, and processing cost is low, and busbar is not yielding.

Further, this device also comprises wind-collecting cover 30 and connecting plate 25, and one side of said connecting plate 25 is fixing with wind-collecting cover 30, and another side and radiator 24 are fixing.Said wind-collecting cover 30 generally is fixed on the rack, can guarantee between each power model 20 and the wind-collecting cover 30 effectively fixingly like this, reduces the stress that is connected of electric capacity busbar 11 and power busbar 21, has reduced windage, is beneficial to the heat radiation of module;

Further, also be provided with some insulators 28 and L type fixed head 29 on the lower surface of said electric capacity busbar 11, one side of said L type fixed head 29 is fixedly connected with insulator 28, and another side is fixed on the wind-collecting cover 30.The whole weight of capacitance module 10 is delivered to above the wind-collecting cover 30 through insulator 28 and L type fixed head 29 like this, avoids the weight of electric capacity busbar 11 to be pressed in above the power busbar 21, makes power model 20 bear too much pressure.

Claims

1. A main body device of a power module, characterized in that: comprising a plurality of capacitor modules (10) and a plurality of power modules (20), the capacitor modules (10) are connected to capacitor busbars (11), and the power The module (20) is connected to the power busbar (21), the capacitor busbar (11) and the power busbar (21) are vertically connected to each other, and the capacitor module (10) is located on the upper part of the capacitor busbar (11), so The power module (20) is located at the lower part of the capacitor busbar (11).

2. The main device of the power module according to claim 1, characterized in that: a boss is provided at the junction of the capacitor busbar (11) and the power busbar (21).

3. The main device of the power module according to claim 1, characterized in that: the output stage of the capacitor busbar (11) is arranged at the front end.

4. The main device of the power module according to claim 1, characterized in that: the plurality of power modules (20) are placed vertically and parallel to each other, and the power modules (20) include a radiator (24), a radiator A radiator fixing plate (22) and a switch tube module (27), the switch tube module (27) is fixed on the radiator (24), and the radiator (24) is fixed on the radiator fixing plate (22).

5. The main body device of the power module according to claim 1, characterized in that: a rivet nut is provided at the junction of the capacitor busbar (11) and the power busbar (21).

6. The main device of the power module according to claim 1, characterized in that: the power busbar (21) and the capacitor busbar (11) are laminated busbars.

7. The main device of the power module according to claim 1, characterized in that: the anodes of the plurality of capacitor modules (10) are connected in parallel through a positive connection soft busbar (12), and the plurality of capacitor modules (10) )’s negative poles are connected in parallel through a negative connection soft busbar (13).

8. The main body device of the power module according to claim 4, characterized in that the device further comprises an air collecting hood (30) and a connecting plate (25), one side of the connecting plate (25) is connected to the air collecting hood ( 30) fixed, and the other side is fixed with radiator (24).

9. The main device of the power module according to claim 4, characterized in that: the lower surface of the capacitor busbar is fixedly provided with several guide rails (23), and the lower end of the radiator (24) is provided with a support frame (26), The radiator fixing plate (22) is nested in the guide rail (23) and can slide along the guide rail (23) and the support frame (26).

10. The main body device of the capacitor module according to claim 8, characterized in that: several insulators (28) and L-shaped fixing plates (29) are also arranged on the lower surface of the capacitor busbar (11), the One side of the L-shaped fixed plate (29) is fixedly connected with the insulator (28), and the other side is fixed on the wind collecting hood (30).