CN101847940B - Assembly structure of inverter power unit and modular power unit using same - Google Patents
Assembly structure of inverter power unit and modular power unit using same Download PDFInfo
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- CN101847940B CN101847940B CN2009101062216A CN200910106221A CN101847940B CN 101847940 B CN101847940 B CN 101847940B CN 2009101062216 A CN2009101062216 A CN 2009101062216A CN 200910106221 A CN200910106221 A CN 200910106221A CN 101847940 B CN101847940 B CN 101847940B
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- radiator
- power unit
- fan
- package assembly
- gear piece
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Abstract
The invention discloses an assembly structure of an inverter power unit, comprising a capacitor, a power module, a radiator and a fan, wherein the radiator comprises a base plate and a plurality of radiating tooth pieces connected with the lower surface of the base plate and used for heat radiation; the capacitor is arranged on the power module; the power module is installed on the upper surface of the base plate; the radiating tooth pieces of the radiator are in strip shape, the tooth pieces are tilting tooth pieces and uniformly arranged along the length direction of the radiator, and the fan is two fans of which one is bigger and the other is smaller, installed at the bottom of tooth pieces along the length direction of the radiator, and is parallel to the power module and blows right against the tooth pieces. In the invention, the three-dimensional structure design of sequentially placing the capacitor, the power module, the radiator and the fan is utilized to enable the structure to be more compact and the installation area to be small, meanwhile, due to using the mode that the fan vertically blows the tooth pieces, the invention has good heat radiation effect and improved use ratio and reliability of the power module. In addition, the invention also provides a modular power unit designed by using the assembly structure design.
Description
Technical field
The present invention relates to the electron electric power field, the modular power unit that relates in particular to a kind of package assembly of middle high power contravariant device power cell and use this package assembly to design.
Background technology
In field of power electronics; Particularly in high-power (more than the 100kW) variable-frequency governor, uninterrupted power supply (Uninterruptible Power Supply, UPS), (Emergency Power Supply EPS) waits in the product emergency power supply; During work; Often the consumption owing to power can produce a large amount of heat, and the savings of heat tends to cause the lost of life of these products, the instability of product performance.In order to solve heat dissipation problem; Usually can adopt fan to dispel the heat; Yet; More and more along with the quantity of Primary Components such as the electric capacity of these products master power section, power model, radiator, fan, volume is also increasing, has seriously hindered the development of these products to miniaturization, is unfavorable for the integrated of high power density system.And at present the package assembly of inverter power unit generally adopts on the market is the design of flattening.
Consult Fig. 1, be a kind of package assembly sketch map of conventional inverter power cell.The package assembly of this inverter power unit comprises electric capacity 11, power model 12, radiator 13 and fan 14.Wherein, electric capacity 11 is installed in a side on radiator 13 long limits.Fan 14 is installed in a non-adjacent side (opposite sides on radiator 13 long limits) of radiator 13 and electric capacity 11; Promptly; Fan 14, radiator 13 and electric capacity 11 are arranged side by side successively, and therefore, this structure is to adopt with radiator 13 parallel exhausting patterns to realize the purpose of dispelling the heat.Power model 12 then is installed on the radiator.Yet, the design of this flattening, its erection space is bigger, is unfavorable for the integrated of high power density system; Secondly, the horizontal area of the package assembly of this inverter power unit is too wide, and because electric capacity 11 and fan 14 are oppositely arranged on the both sides of radiator 13, electric capacity 11 can stop the air channel, increases the heat radiation windage, is unfavorable for heat radiation.
Shown in Figure 2 is the package assembly sketch map of another kind of conventional inverter power cell.The package assembly of the package assembly of this inverter power unit and inverter power unit shown in Figure 1 is basic identical, the difference only be that fan 24 shown in Figure 2 is installed in minor face one side of radiator 23, and with electric capacity 21 adjacent settings.In other words, electric capacity 21 is arranged at respectively on the adjacent two sides of radiator 23 with fan 24.Though the transverse width of this structure is more less than the transverse width of the package assembly of inverter power unit shown in Figure 1, yet, exist erection space bigger equally, be unfavorable for the integrated problem of high power density system; And,, need to use high blast fan because the air channel is longer; Its cost is increased, and simultaneously, there is the heat history effect in air channel in this structure; The power model 22 at air inlet place is owing to close on fan, and temperature is lower, and the power model 22 at air outlet place is because away from fan; Temperature is higher, and therefore, this package assembly can influence the utilization rate and the reliability of power model 22.
Summary of the invention
In view of this, the package assembly of a kind of compact conformation, good heat dissipation effect, erection space is little, reliability is high inverter power unit must be provided.
In addition, also need provide a kind of and use flexibly, the modular power unit of compact conformation, good heat dissipation effect.
A kind of package assembly of inverter power unit comprises electric capacity, power model, radiator and fan.Wherein, said radiator comprises substrate and many gear pieces that link to each other, are used to dispel the heat with the lower surface of substrate.Said electric capacity is arranged on the said power model.Said power model is installed in the upper surface of said substrate.Said radiator, gear piece are elongate in shape.Said gear piece is the inclination gear piece, and is evenly distributed along the length direction of radiator.Said fan is at least small one and large one two fans and arranges the bottom that is installed in gear piece along said radiator length direction, laterally arranges with said power model, and dries over against gear piece.
The package assembly of above-mentioned inverter power unit, wherein, said electric capacity and the vertical setting each other of said power model.
The package assembly of above-mentioned inverter power unit, wherein, said electric capacity and power model are arranged in parallel, and help reducing the thickness of the package assembly of inverter power unit.
The package assembly of above-mentioned inverter power unit, wherein, the air-out passage of said radiator is consistent with the direction of said gear piece; The air-out passage of said radiator is on the length direction of radiator.
The package assembly of above-mentioned inverter power unit, wherein, said fan is fixed on the bottom of said gear piece through screw.
The package assembly of above-mentioned inverter power unit, wherein, said number of fans is 2.
The package assembly of above-mentioned inverter power unit, wherein, the quantity of said power model is a plurality of, being parallel to each other is arranged in the upper surface of said substrate, helps Homogeneouslly-radiating.
A kind of modular power unit that uses above-mentioned package assembly design comprises housing, and said radiator is fixed on said enclosure interior, and said fan partly exposes outside housing, also is provided with the input, the lead-out terminal that are used to transmit the signal of telecommunication on the said housing.
The package assembly of inverter power unit of the present invention; Order successively through electric capacity, power model, radiator and fan is placed; This three-dimensional structure Design scheme makes the area of substrate of erection space and radiator of whole inverter power unit close; Structure is more compact, can satisfy the demand of miniaturization.And, in radiator, because heat radiation is to adopt the pattern of fan to the vertical blowing of gear piece, therefore; There is not the heat history effect in air channel in this radiating mode, makes that heat radiation is more even, has improved the utilization rate and the reliability of power model; In addition, its air channel is also shorter, only needs to adopt general fan; Can realize Homogeneouslly-radiating, practice thrift cost, and the maintenance of fan be also more convenient.And the modular power unit that uses this package assembly to design uses flexibly, and compact conformation, good heat dissipation effect.
Description of drawings
In order to be easy to explanation, the present invention is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is a kind of package assembly sketch map of conventional inverter power cell;
Fig. 2 is the package assembly sketch map of another kind of conventional inverter power cell;
Fig. 3 A is the schematic perspective view of the package assembly of inverter power unit of the present invention;
Fig. 3 B looks sketch map for the master of Fig. 3 A;
Fig. 3 C is the schematic side view of Fig. 3 A;
Fig. 4 is the sketch map of a kind of modular power unit of use Scheme design of the present invention;
Fig. 5 is for using the mounting structure sketch map of Fig. 4 in system configuration.
Embodiment
Fig. 3 A is depicted as the schematic perspective view of the package assembly of inverter power unit of the present invention, consults Fig. 3 B and Fig. 3 C simultaneously, and wherein, Fig. 3 B looks sketch map for the master of Fig. 3 A, and Fig. 3 C is the schematic side view of Fig. 3 A.The package assembly of this inverter power unit comprises electric capacity 31, power model 32, radiator 33 and fan 34.Wherein, radiator 33 comprises substrate 331 and a plurality of gear pieces 332 that link to each other, are used to dispel the heat with the lower surface of substrate 331.In the embodiment of the present invention, gear piece 332 is made up of aluminium matter or aluminium alloy or copper or Cu alloy material.
In other execution mode of the present invention, electric capacity 31 also can be arranged in parallel with power model 32, helps reducing the thickness of the package assembly of inverter power unit.
In the embodiment of the present invention, radiator 33 elongated shapes, gear piece 332 is an elongate in shape also, and the air-out passage of radiator 33 is consistent with the direction of gear piece 332.Consult Fig. 3 B, a plurality of gear pieces 332 are the lower surfaces that are evenly arranged in substrate 331 along the length direction of radiator 33, the air-out passage that makes radiator 33 on the length direction of radiator 33, i.e. the long side direction of radiator 33.In addition, a plurality of gear pieces 332 are the lower surfaces that are vertically mounted on substrate 331.
In other execution mode of the present invention, a plurality of gear pieces 332 also can be evenly arranged in the lower surface of substrate 331 along the Width of radiator 33, the air-out passage that makes radiator 33 on the Width of radiator 33, i.e. the short side direction of radiator 33.A plurality of gear pieces 332 also can tilt to be installed in the lower surface of substrate 331, form the inclination gear piece.
Fan 34 is installed in the bottom of gear piece 332, and laterally arranges with power model 32, takes to dispel the heat over against the pattern of gear piece 332 blowings.In the embodiment of the present invention, the quantity of fan 34 is 2, is fixed on the bottom of gear piece 332 through screw (among the figure indicate), helps dismounting and safeguards.Say that in detail fan 34 is arranged the bottom that is installed in gear piece 332 for small one and large one two fans along radiator 33 length directions, laterally arrange with power model 32, and over against gear piece 332 blowings.
In other execution mode of the present invention; The quantity of fan 34 can be confirmed according to the size of heat radiation requirement and radiator 33 gear pieces 332; Can be one, also can be for (that is, fan 34 is that small one and large one two fans are arranged the bottom that is installed in gear piece 332 along radiator 33 length directions at least more than 2; Laterally arrange with power model 32, and over against gear piece 332 blowings).
Consult Fig. 3 C; Electric capacity 31 in the package assembly of the inverter power unit in this execution mode, power model 32, radiator 33 and fan 34 are that order is placed successively; This three-dimensional structure Design scheme makes the area of substrate 331 of erection space and radiator 33 of whole inverter power unit close; Much smaller than traditional flattening design (like Fig. 1, Fig. 2), structure is more compact, can satisfy the demand of miniaturization.Again, in radiator 33, because heat radiation is the pattern that adopts the 332 vertical blowings of 34 pairs of gear pieces of fan, and the minor face two ends of radiator 33 all can become air outlet; Therefore, there is not the heat history effect in air channel in this radiating mode, makes that heat radiation is more even, has improved the utilization rate and the reliability of power model 32; In addition, its air channel is also shorter, only needs to adopt general fan 34; Can realize Homogeneouslly-radiating, practice thrift cost, and the maintenance of fan 34 be also more convenient.
Fig. 4 is the structural representation of a kind of modular power unit of use Scheme design of the present invention; This modular power unit comprises housing 35; Radiator is fixed on the inside of housing 35; Fan 34 then part exposes outside housing 35, also is provided with the input, the lead-out terminal (figure does not indicate) that are used for transmitting the signal of telecommunication on the housing 35.The use of this modular power unit is very flexible, consults Fig. 5, and for using the mounting structure sketch map of Fig. 4 in system configuration, this modular power unit is realized the transmission of the signal of telecommunication just through other components and parts in input, lead-out terminal and the system.In the embodiment of the present invention, the quantity of modular power unit is 2, parallel being arranged in the system configuration, and exposed fan 34 helps the convection current of air all towards the opening of system configuration, promotes the effect of heat radiation.
The embodiment of the above is a preferred embodiments of the present invention, is not to limit practical implementation scope of the present invention with this, and scope of the present invention comprises and is not limited to this embodiment.All shapes according to the present invention, the equivalence variation that structure is done all comprise in protection scope of the present invention.
Claims (8)
1. the package assembly of an inverter power unit comprises electric capacity, power model, radiator and fan, wherein; Said radiator comprises substrate and many gear pieces that link to each other, are used to dispel the heat with the lower surface of substrate, and said electric capacity is arranged on the said power model, and said power model is installed in the upper surface of said substrate; It is characterized in that said radiator, gear piece are elongate in shape, said gear piece is the inclination gear piece; Length direction along radiator is evenly distributed; Said fan is that small one and large one two fans are arranged the bottom that is installed in gear piece along said radiator length directions at least, laterally arranges with said power model, and dries over against gear piece.
2. the package assembly of inverter power unit according to claim 1 is characterized in that, said electric capacity and the vertical setting each other of said power model.
3. the package assembly of inverter power unit according to claim 1 is characterized in that, said electric capacity and power model are arranged in parallel.
4. the package assembly of inverter power unit according to claim 1 is characterized in that, the air-out passage of said radiator is consistent with the direction of said gear piece, and the air-out passage of said radiator is on the length direction of radiator.
5. the package assembly of inverter power unit according to claim 1 is characterized in that, said fan is fixed on the bottom of said gear piece through screw.
6. the package assembly of inverter power unit according to claim 1 is characterized in that, said number of fans is 2.
7. the package assembly of inverter power unit according to claim 1 is characterized in that, the quantity of said power model is a plurality of, and being parallel to each other is arranged in the upper surface of said substrate.
8. modular power unit that uses any package assembly design of claim 1 to 7; Comprise housing; Said radiator is fixed on said enclosure interior, and said fan partly exposes outside housing, also is provided with the input, the lead-out terminal that are used to transmit the signal of telecommunication on the said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101062216A CN101847940B (en) | 2009-03-24 | 2009-03-24 | Assembly structure of inverter power unit and modular power unit using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101062216A CN101847940B (en) | 2009-03-24 | 2009-03-24 | Assembly structure of inverter power unit and modular power unit using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101847940A CN101847940A (en) | 2010-09-29 |
| CN101847940B true CN101847940B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101062216A Expired - Fee Related CN101847940B (en) | 2009-03-24 | 2009-03-24 | Assembly structure of inverter power unit and modular power unit using same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014082229A1 (en) | 2012-11-28 | 2014-06-05 | Eaton Corporation | Equipment enclosure fan control systems and methods |
| JP6429720B2 (en) * | 2015-05-07 | 2018-11-28 | 株式会社日立製作所 | Power converter and railway vehicle |
| JP6429721B2 (en) * | 2015-05-07 | 2018-11-28 | 株式会社日立製作所 | Power converter and railway vehicle |
| CN107592018B (en) * | 2017-10-13 | 2023-08-29 | 杨帆 | Modularized frequency converter |
| CN113163662B (en) * | 2020-01-22 | 2023-03-28 | 华为技术有限公司 | Power input assembly and network equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424810A (en) * | 2002-12-28 | 2003-06-18 | 株洲电力机车研究所 | DC/DC converter |
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2009
- 2009-03-24 CN CN2009101062216A patent/CN101847940B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424810A (en) * | 2002-12-28 | 2003-06-18 | 株洲电力机车研究所 | DC/DC converter |
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| CN101847940A (en) | 2010-09-29 |
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