CN203243232U - Inverter and power module main circuit structure thereof - Google Patents
Inverter and power module main circuit structure thereof Download PDFInfo
- Publication number
- CN203243232U CN203243232U CN 201320042851 CN201320042851U CN203243232U CN 203243232 U CN203243232 U CN 203243232U CN 201320042851 CN201320042851 CN 201320042851 CN 201320042851 U CN201320042851 U CN 201320042851U CN 203243232 U CN203243232 U CN 203243232U
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- cabinet
- power model
- main circuit
- circuit structure
- inverter
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Abstract
The utility model discloses a power module main circuit structure, which comprises a pressing bus, a direct current capacitor array and an IGBT power module. The power module main circuit structure further comprises a radiator fixedly connected with the IGBT power module and arranged below the IGBT power module. The power module main circuit structure also comprises a casing having a capacitor tray, a sheet metal frame, a cover plate and a sealing plate. The capacitor tray is fixedly connected with the sheet metal frame and the cover plate and further fixedly connected with the sealing plate. The sealing plate is also fixedly connected with the cover plate. The direct current capacitor array is arranged below the capacitor tray and located above the pressing bus and further electrically connected with the pressing bus. The IGBT power module electrically connected with the pressing bus is arranged on the right side of the direct current capacitor array. The radiator is located inside the sheet metal frame. The utility model further discloses an inverter, which comprises an inverter cabinet connected with a direct current cabinet and an alternating current cabinet at the same time. A first installation chamber of the inverter cabinet is provided with the above-mentioned power module main circuit structure. The top of the first installation chamber is provided with a second air inlet. A first blower fan is arranged on the top of the first installation chamber and communicated with a first air inlet.
Description
Technical field
The utility model relates to, and particularly relates to a kind of inverter and power model main circuit structure thereof.
Background technology
Along with the day by day scarcity of ore fuel, solar energy and wind power generation etc. is the important component part of renewable energy power generation technology.
Inverter is a kind of transducer that direct voltage is transformed into the High AC voltage of high frequency.But in high-power application of generating electricity by way of merging two or more grid systems, in the main circuit structure of inverter, power model is contained on the radiator, needs to be equipped with fan radiating below the radiator, blower fan is relative with the fin of radiator, so need to set up the air channel separately so that blower fan dispels the heat.But because the inside that blower fan is arranged at main circuit structure has taken certain volume, cause that the main circuit structure layout is not compact, the loading and unloading trouble.
Therefore, for addressing the above problem, a kind of inverter and power model main circuit structure thereof need to be set, make main circuit structure realize modular assembly, be convenient to installation and removal.
The utility model content
The purpose of this utility model provides a kind of inverter and power model main circuit structure thereof, makes the main circuit structure compact in design, is convenient to installation and removal.
A kind of power model main circuit structure provided by the utility model, comprise pressing bus, dc capacitor array and IGBT power model, also comprise: radiator, described radiator are fixedly connected with described IGBT power model and described radiator is arranged at the below of described IGBT power model; Casing, described casing is provided with electric capacity pallet, metal plate frame, shrouding and cover plate, and described electric capacity pallet is fixedly connected with described cover plate with described metal plate frame and is fixedly connected with described shrouding, and described shrouding is fixedly connected with described cover plate; Described dc capacitor array is arranged at the below of described electric capacity pallet and is arranged at the top of described pressing bus and is electrically connected with described pressing bus, described IGBT power model is arranged at the right side of described dc capacitor array, and described radiator is positioned at the inside of described metal plate frame; Described pressing bus is electrically connected with described IGBT power model.
Preferably, described radiator is connected with described casing, and the described radiator position of described casing place is provided with the first air inlet, and the first air inlet fan is arranged at the outside of described casing and is connected with described radiator by described the first air inlet.
Preferably, described metal plate frame is the integral type structure.
Preferably, comprise also and the AC copper-line that output pin is connected that exchanges of described IGBT power model that described cover plate comprises front shroud and the upper cover plate that is fixedly connected with described front shroud; Described upper cover plate is fixedly connected with described electric capacity pallet; Described upper cover plate is fixedly connected with described shrouding with described front shroud; Described front shroud is fixedly connected with described AC copper-line.
Preferably, also comprise sieve tray, described AC copper-line is provided with insulation system, and described sieve tray is placed in the draw-in groove of described insulation system.
Preferably, described front shroud is fixedly installed handle.
Preferably, also comprise the correcting latch, described correcting latch is fixedly installed on described metal plate frame.
Simultaneously, the utility model also provides a kind of inverter, comprising: comprise the stack of cabinets that is provided with DC cabinet, inverter cabinet and exchanges cabinet, described inverter cabinet is connected with the described cabinet that exchanges with described DC cabinet simultaneously; Described inverter cabinet is provided with the first installation cavity and the second installation cavity, described the first installation cavity is provided with power model main circuit structure as indicated above, the top of described the first installation cavity is provided with the second air inlet, and described the first blower fan is arranged at the top of described the first installation cavity and is connected with described the first air inlet by described the second air inlet.
Preferably, the inside of described DC cabinet is provided with dividing plate, the surface that described dividing plate is relative with the access door of described DC cabinet is provided with electric device, the bottom of described DC cabinet is respectively arranged with and the first air outlet and the cooling blower that is connected with described the first air outlet, and the top is provided with the 3rd air inlet.
Preferably, the inside of described interchange cabinet is provided with two dividing plates, two described dividing plate surfaces relative with the access door of described interchange cabinet are provided with electric device, the bottom of described interchange cabinet is respectively arranged with and the second air outlet and the cooling blower that is connected with described the second air outlet, and the top is provided with the 4th air inlet.
A kind of power model main circuit structure provided by the utility model, comprise: be fixedly connected with the casing that surrounds by electric capacity pallet, framework, shrouding and cover plate, box house is provided with pressing bus, dc capacitor array, IGBT power model, and radiator is fixedly connected with the IGBT power model and radiator is arranged at the below of IGBT power model; The dc capacitor array is arranged at the below of electric capacity pallet and is arranged at the top of pressing bus and is electrically connected with the pressing bus, and the IGBT power model is arranged at the right side of dc capacitor array, and radiator is positioned at the inside of metal plate frame (4).So arrange, the elements such as pressing bus, dc capacitor array and IGBT power model are arranged at the inside of casing, the first blower fan then is arranged at the outside of casing and is connected with radiator.Compared with prior art, do not need the first blower fan is arranged at the inside of main circuit structure, but the outside that directly is arranged at main circuit structure is connected with radiator, radiator is dispelled the heat, therefore, with the outside of the first blower fan setting and casing, can reduce the volume of casing, can guarantee the main circuit structure compact in design, easy for removal and installation.
Simultaneously, the utility model also provides a kind of inverter, comprises the stack of cabinets that is provided with DC cabinet, inverter cabinet and exchanges cabinet, inverter cabinet simultaneously with DC cabinet with exchange cabinet and can communicate to connect.Wherein, inverter cabinet is provided with the first installation cavity and the second installation cavity, the first installation cavity is provided with power model main circuit structure as indicated above, the top of the first installation cavity is provided with the second air inlet, and the first blower fan is arranged at the top of the first installation cavity and is connected with described the first air inlet by the second air inlet.So arrange, the derivation of its beneficial effect the and above derivation of the beneficial effect of power model main circuit structure is similar is so repeat no more in this article.
Description of drawings
Fig. 1 is the structural representation of power model main circuit structure in a kind of embodiment provided by the utility model;
Fig. 2 is the structural representation of the internal structure of power model main circuit structure shown in Figure 1;
Fig. 3 is the structural representation of the metal plate frame of power model main circuit structure shown in Figure 1;
Fig. 4 is the structural representation of the front shroud of power model main circuit structure shown in Figure 1;
Fig. 5 is the structural representation of inverter in a kind of embodiment provided by the utility model.
Embodiment
Core of the present utility model provides a kind of inverter and power model main circuit structure thereof, makes the main circuit structure compact in design, is convenient to installation and removal.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 4, Fig. 1 is the structural representation of power model main circuit structure in a kind of embodiment provided by the utility model, Fig. 2 is the structural representation of the internal structure of power model main circuit structure shown in Figure 1, Fig. 3 is the structural representation of the metal plate frame of power model main circuit structure shown in Figure 1, and Fig. 4 is the structural representation of the front shroud of power model main circuit structure shown in Figure 1.
A kind of power model main circuit structure provided in the present embodiment, comprise: be fixedly connected with the casing that surrounds with cover plate by electric capacity pallet 5, metal plate frame 4, shrouding 14, box house is provided with pressing bus 1, dc capacitor array 3, IGBT power model (insulated gate bipolar transistor power model), and dc capacitor array 3 is arranged at the below of electric capacity pallet 5 and is arranged at the top of pressing bus 1; IGBT power model 2 is arranged at the right side of dc capacitor array 3.Metal plate frame 4 is provided with the first air inlet, and the first blower fan is arranged at the outside of casing, and is connected with radiator by the first air inlet.So arrange, the elements such as pressing bus 1, dc capacitor array 3 and IGBT power model are arranged at the inside of casing, the first blower fan then is arranged at the outside of casing and is connected with radiator by the first air inlet.
When mounted, at first radiator is arranged at IGBT power model below, formation carries the IGBT power model 2 of radiator, and the IGBT power model 2 that the support 8 by box house will carry radiator is fixedly installed on metal plate frame 4 inside, guarantee that the top surface of radiator and the inner surface of metal plate frame 4 fit, metal plate frame 4 is provided with the first ventilating opening in that the corresponding position of radiator is set; Dc capacitor array 3 is fixedly installed on electric capacity pallet 5, below dc capacitor array 3, be provided with the surface and be the pressing bus 1 of flat surface, pressing bus 1 is electrically connected with dc capacitor array 3, and wherein the both positive and negative polarity pin of pressing bus 1 is fixedly connected with the corresponding pin of the IGBT power model 2 that carries radiator.Then electric capacity pallet 5 and metal plate frame 4 and cover plate are bolted to connection.At last, the first blower fan is arranged at the outside of casing and be connected with radiator by the first air inlet.
So arrange, compared with prior art, do not need the first blower fan is arranged at the inside of main circuit structure, but the outside that directly is arranged at the power model main circuit structure is connected with radiator by the first air inlet, radiator dispelled the heat, therefore, the outside with the first blower fan setting and casing, the volume of casing can be reduced, the main circuit structure compact in design can be guaranteed, easy for removal and installation.
Moreover, in the prior art, metal plate frame is formed by a plurality of sheet metal component overlap joints, therefore, for the ease of installing, metal plate frame 4 adopts integral structure in this embodiment, make by bending with a sheet metal thin plates, manufacturing process is simple, intensity is reliable, can avoid eddy current that large electric current produces, avoid sheet metal component heating, the useful life of improving the power model main circuit structure.
In addition, in this embodiment, also be provided with the AC copper-line 11 and the sieve tray 10 that comprise insulation system 12, insulation system 12 be arranged at AC copper-line 11 around; Cover plate comprises front shroud 6 and the upper cover plate 9 that is fixedly connected with front shroud 6, and upper cover plate 9 is fixedly connected with electric capacity pallet 5; Upper cover plate 9 is fixedly connected with shrouding 14 with front shroud 6; Front shroud 6 is fixedly connected with AC copper-line 11; AC copper-line 11 is connected to the interchange output pin place of the IGBT power model 2 that carries radiator; The edge of insulation system 12 is provided with draw-in groove, and sieve tray 10 is placed in the draw-in groove of insulation system 12, and shrouding 14 is arranged at the left side of metal plate frame 4, makes the IGBT power model 2 that carries radiator form independently air channel.
Meanwhile, for the ease of transportation and installation power module main circuit structure, front shroud 6 also is fixedly installed two handles 13.Handle 13 forms the space that pulls with the surface of front shroud 6, can mention or puts down casing by handle, is convenient to install.
Certainly, for the normal operation of guaranteed output module main circuit structure, also be provided with correcting latch 7, correcting latch 7 is arranged at metal plate frame 4 and is connected with relevant element in placing casing.
Simultaneously, also provide a kind of inverter in this embodiment, as shown in Figure 5, Fig. 5 is the structural representation of inverter in a kind of embodiment provided by the utility model.
In this embodiment, inverter comprises and is provided with DC cabinet 15, inverter cabinet 16 and the stack of cabinets that exchanges cabinet 17, and inverter cabinet 16 is simultaneously with DC cabinet 15 with exchange cabinet 17 electrical connections.Wherein, inverter cabinet 16 comprises the first installation cavity and the second installation cavity, the second installation cavity is arranged at the place ahead of the first installation cavity, two installation cavitys separate by dividing plate, the middle part of the first installation cavity is provided with a plurality of power model main circuit structures as indicated above, the top of the first installation cavity is provided with the second air inlet, and the first blower fan places the top of the first installation cavity and is connected with the first air inlet by the second air inlet.The first blower fan is arranged on the crossbeam relative with top cover.Radiator is dispelled the heat with the form of blowing by the first blower fan, the bottom is provided with air outlet and reactor.
Need to prove in addition, the part that AC copper-line protrudes front shroud 6 surfaces is exposed to the second installation cavity, and in the second installation cavity, be provided with pcb board (printed circuit board (PCB)), and by the relatively poor corrosion resistant plate of magnetic conductivity and insulating properties preferably glass mat pcb board and other electricity component are separated, to reduce eddy current, to satisfy the installation requirements such as heat radiation.
Need to prove that also in this embodiment, the first installation cavity is provided with 3 power model main circuit structures, the common Fans that uses of these three power model main circuit structures dispels the heat.Certainly, do not get rid of other set-up mode yet, as be provided with a plurality of power model main circuit structures, adopt many Fans and the one by one corresponding setting of many power model main circuit structures.
So arrange, the beneficial effect that inverter can reach identical with beneficial effect power model main circuit structure above, so repeat no more in this article.In addition, be a seal cavity by inverter cabinet being divided into two installation cavitys, can satisfying the second installation cavity, do not carry out the gas exchange with the external world, and the first installation cavity dispels the heat to the power model main circuit structure by the first blower fan, has guaranteed the fail safe of using.
Certainly, in order to guarantee the radiating effect of inverter, DC cabinet 15 bottoms are respectively arranged with and the first air outlet and the cooling blower that is connected with the first air outlet, and the top is provided with the 3rd air inlet; Exchanging cabinet 17 bottoms is respectively arranged with and the second air outlet and the cooling blower that is connected with the second air outlet, the top is provided with the 4th air inlet, so arrange, exchange cabinet 17 and DC cabinet 15 and be respectively arranged with the air channel, by two cooling blowers respectively to DC cabinet 15 with exchange cabinet 17 and dispel the heat with the form of exhausting, guarantee the radiating effect of two cabinets.
Also need to prove, be provided with dividing plate in DC cabinet 15, the surface that dividing plate is relative with the access door of DC cabinet 15 is provided with electric device, and another side is provided with the connection copper bar, by dividing plate with electric device be connected copper bar and separate; In exchanging cabinet 17, be provided with two-layer dividing plate, the surface that this two-layer dividing plate is relative with the access door that exchanges cabinet 17 is respectively arranged with electric device, forms the passage that ventilates between two dividing plates.So arrange, by electronic component being arranged at the front of dividing plate, can directly overhaul electric device by opening access door, be convenient to the maintenance to electric device, can reduce or avoid the dismounting to the rear flank door-plate of cabinet, thereby reduce the destruction to the cabinet sealing.
More than a kind of inverter provided by the utility model and power model main circuit structure thereof are described in detail.Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (10)
1. a power model main circuit structure comprises pressing bus (1), dc capacitor array (3) and IGBT power model (2), it is characterized in that, also comprises:
Radiator, described radiator are fixedly connected with described IGBT power model (2) and described radiator is arranged at the below of described IGBT power model;
Casing, described casing is provided with electric capacity pallet (5), metal plate frame (4), shrouding (14) and cover plate, described electric capacity pallet (5) is fixedly connected with described cover plate with described metal plate frame (4) and is fixedly connected with described shrouding (14), and described shrouding (14) is fixedly connected with described cover plate;
Described dc capacitor array (3) is arranged at the below of described electric capacity pallet (5) and is arranged at the top of described pressing bus (1) and is electrically connected with described pressing bus (1), described IGBT power model (2) is arranged at the right side of described dc capacitor array (3), and described radiator is positioned at the inside of described metal plate frame (4);
Described pressing bus (1) is electrically connected with described IGBT power model (2).
2. power model main circuit structure according to claim 1, it is characterized in that, described radiator is connected with described metal plate frame (4), and the position that described metal plate frame (4) arranges described radiator is provided with the first air inlet, and the first air inlet fan is arranged at the outside of described casing and is connected with described radiator by described the first air inlet.
3. power model main circuit structure according to claim 2 is characterized in that, described metal plate frame (4) is the integral type structure.
4. power model main circuit structure according to claim 3, it is characterized in that, comprise also and the AC copper-line (11) that output pin is connected that exchanges of described IGBT power model (2) that described cover plate comprises front shroud (6) and the upper cover plate (9) that is fixedly connected with described front shroud (6); Described upper cover plate (9) is fixedly connected with described electric capacity pallet (5); Described upper cover plate (9) is fixedly connected with described shrouding (14) with described front shroud (6); Described front shroud (6) is fixedly connected with described AC copper-line (11).
5. power model main circuit structure according to claim 4 is characterized in that, also comprises sieve tray (10), and described AC copper-line (11) is provided with insulation system (12), and described sieve tray (10) is placed in the draw-in groove of described insulation system (12).
6. power model main circuit structure according to claim 5 is characterized in that, described front shroud (6) is fixedly installed handle (13).
7. power model main circuit structure according to claim 2 is characterized in that, also comprises correcting latch (7), and described correcting latch (7) is fixedly installed on described metal plate frame (4).
8. an inverter is characterized in that, comprises being provided with DC cabinet (15), inverter cabinet (16) and the stack of cabinets that exchanges cabinet (17), and described inverter cabinet (16) is connected with the described cabinet (17) that exchanges with described DC cabinet (15) simultaneously; Described inverter cabinet (16) is provided with the first installation cavity and the second installation cavity, described the first installation cavity is provided with arbitrary described power model main circuit structure such as claim 2-7, the top of described the first installation cavity is provided with the second air inlet, and described the first blower fan is arranged at the top of described the first installation cavity and is connected with described the first air inlet by described the second air inlet.
9. inverter according to claim 8, it is characterized in that, the inside of described DC cabinet (15) is provided with dividing plate, the surface that described dividing plate is relative with the access door of described DC cabinet (15) is provided with electric device, the bottom of described DC cabinet (15) is respectively arranged with and the first air outlet and the cooling blower that is connected with described the first air outlet, and the top is provided with the 3rd air inlet.
10. inverter according to claim 8, it is characterized in that, the inside of described interchange cabinet (17) is provided with two dividing plates, two described dividing plate surfaces relative with the access door of described interchange cabinet (17) are provided with electric device, the bottom of described interchange cabinet (17) is respectively arranged with and the second air outlet and the cooling blower that is connected with described the second air outlet, and the top is provided with the 4th air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042851 CN203243232U (en) | 2013-01-25 | 2013-01-25 | Inverter and power module main circuit structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042851 CN203243232U (en) | 2013-01-25 | 2013-01-25 | Inverter and power module main circuit structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203243232U true CN203243232U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320042851 Expired - Lifetime CN203243232U (en) | 2013-01-25 | 2013-01-25 | Inverter and power module main circuit structure thereof |
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| Country | Link |
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| CN (1) | CN203243232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI551014B (en) * | 2014-05-23 | 2016-09-21 | 台達電子企業管理（上海）有限公司 | Power converter |
| CN106911247A (en) * | 2015-12-17 | 2017-06-30 | 株式会社日立制作所 | Electric power converter framework and electric power converter |
| WO2023208100A1 (en) * | 2022-04-28 | 2023-11-02 | 苏州宝时得电动工具有限公司 | Charging cabinet, energy storage power supply, and matched charging product |
-
2013
- 2013-01-25 CN CN 201320042851 patent/CN203243232U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI551014B (en) * | 2014-05-23 | 2016-09-21 | 台達電子企業管理（上海）有限公司 | Power converter |
| US9634573B2 (en) | 2014-05-23 | 2017-04-25 | Delta Electronics (Shanghai) Co., Ltd. | Power converter including two converter circuit modules sharing one DC capacitor module |
| CN106911247A (en) * | 2015-12-17 | 2017-06-30 | 株式会社日立制作所 | Electric power converter framework and electric power converter |
| CN106911247B (en) * | 2015-12-17 | 2019-01-04 | 株式会社日立制作所 | Electric power converter framework and electric power converter |
| WO2023208100A1 (en) * | 2022-04-28 | 2023-11-02 | 苏州宝时得电动工具有限公司 | Charging cabinet, energy storage power supply, and matched charging product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
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| CX01 | Expiry of patent term |