CN209823630U - Power module of two-sided formula mounting means of inserting to each other - Google Patents
Power module of two-sided formula mounting means of inserting to each other Download PDFInfo
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- CN209823630U CN209823630U CN201920731994.2U CN201920731994U CN209823630U CN 209823630 U CN209823630 U CN 209823630U CN 201920731994 U CN201920731994 U CN 201920731994U CN 209823630 U CN209823630 U CN 209823630U
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Abstract
The utility model provides a two-sided power module to inserting formula mounting means, including the panel beating shell, panel beating shell both sides top is equipped with a plurality of mounting holes that are used for installing thin film electric capacity, the inside below installation water-cooling board of panel beating shell, a discharge resistance and an IGBT are installed respectively to the both sides of water-cooling board, the binding post of water-cooling board extends to the panel beating shell outside, a stromatolite generating line is installed respectively to the both sides of panel beating shell, the one end of stromatolite generating line is installed on thin film electric capacity's terminal, the other end is connected to on the positive and negative output terminal of IGBT, discharge resistance electricity is connected to stromatolite generating line and is carried out discharge treatment to thin film electric capacity, install the alternating current copper bar on the alternating current output terminal of IGBT, install the drive plate on. Two-sided power module to inserting formula mounting means, realize two-sided to inserting the installation, compact structure, power density improves.
Description
Technical Field
The utility model belongs to the wind power generation field especially relates to a two-sided power module to inserting formula mounting means.
Background
Along with the continuous increase of power grade in the field of wind power generation, the compact design requirement on the converter power module is higher and higher, so that the power module is smaller and smaller, and the power density is higher and higher. In the prior art, a power module is formed by combining power electronic power devices according to a certain function and then encapsulating the power electronic power devices into a module. The power module is connected with the external bus through the current-sharing output copper bar of the IGBT and the external bus screw, and the space near the power module and the external bus is small and small, so that much inconvenience and labor cost are wasted in the installation process. In order to realize quick and stable connection with an external bus and improve convenience in installation and maintenance of a power module of the frequency converter, the power module needs to be designed in a modularized, standardized and high-integration manner. Due to the limitation of various conditions such as installation and use of the frequency converter, a standard power module which can be quickly installed, is convenient to maintain, has a smaller volume and is simpler to manufacture needs to be designed.
In order to achieve high power density, high operational reliability and high environmental adaptability of the power module, research needs to be performed on the aspects of compact structure design, control of the IGBT by the drive board, low stray inductance design of the laminated bus, heat dissipation optimization and the like, so that the design of the power module with high power density, high operational reliability and convenient maintenance is an urgent problem to be solved.
Disclosure of Invention
In view of this, the present invention is directed to a power module with a dual-sided plug-in mounting manner to provide a power module with high power density, high reliability and low peak voltage.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a power module with double-sided opposite-insertion type installation comprises a laminated bus, an absorption capacitor, a thin-film capacitor and a sheet metal shell, the alternating current copper bar, a drive plate, the water-cooling board, IGBT and discharge resistance, the panel beating shell is rectangular shell structure, panel beating shell both sides top is equipped with a plurality of mounting holes that are used for installing thin-film capacitor, the water-cooling board is installed to the inside below of panel beating shell, a discharge resistance and an IGBT are installed respectively to the both sides of water-cooling board, the binding post of water-cooling board extends to the panel beating shell outside, a stromatolite generating line is installed respectively to the both sides of panel beating shell, the one end of stromatolite generating line is installed on thin-film capacitor's terminal, the other end is connected to on IGBT's positive and negative output terminal, discharge resistance electricity is connected to stromatolite generating line and is carried out discharge treatment to thin-film capacitor, install the alternating current copper bar on IGBT's.
Furthermore, a plurality of installation through holes are formed in the laminated bus, and the absorption capacitor is installed on the installation through holes.
Furthermore, one side of the laminated bus bar is provided with a plurality of connecting holes.
Furthermore, a plurality of mounting holes are formed in the first side face and the second side face of the sheet metal shell, the first row of film capacitors are connected with the first side face in an inserting mode through the mounting holes in the first side face, and the second row of film capacitors are connected with the second side face in an inserting mode through the mounting holes in the second side face.
Furthermore, all be equipped with the radiator-grid on the other side of sheet metal housing.
Furthermore, the cross section of the alternating current copper bar is L-shaped, and a through hole is formed in the end portion of the alternating current copper bar.
Furthermore, a protection plate is arranged right above the driving plate.
Compared with the prior art, two-sided power module to inserting formula mounting means have following advantage:
(1) two-sided power module to inserting formula mounting means, but water-cooling board double-sided installation IGBT, the installation of inserting is realized two-sided to the processing film capacitor mounting hole of panel beating shell two-sided, compact structure, power density improves, film capacitor inserts the mounting means, has greatly reduced the segment difference height of stromatolite generating line, effectively reduces the stray inductance of module, reduces IGBT peak voltage.
(2) Two-sided power module to inserting formula mounting means, the installation of discharge resistance is in water-cooling board both sides, carries out discharge treatment to the film capacitor through wiring to the stromatolite generating line, guarantees maintainer personal safety.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a power module of a double-sided opposite-insertion type installation manner according to an embodiment of the present invention;
fig. 2 is a front view of a power module according to an embodiment of the present invention;
fig. 3 is a side view of a power module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sheet metal shell according to an embodiment of the present invention;
fig. 5 is an exploded view of a power module according to an embodiment of the present invention, which is mounted in a double-sided opposite-insertion manner;
fig. 6 is an installation diagram of a water-cooling plate and a discharge resistor according to an embodiment of the present invention.
Description of reference numerals:
1-a laminated busbar; 11-mounting a through hole; 12-a connection hole; 2-absorption capacitance; 3-a thin film capacitor; 4-a sheet metal shell; 41-mounting holes; 42-a first side; 43-a second side; 44-a heat-dissipating mesh; 5-alternating current copper bar; 51-a through hole; 6-a drive plate; 7-water cooling plate; 8-IGBT; 9-protection plate; 10-discharge resistance.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A power module of a double-sided opposite-insertion type installation mode is shown in figures 1 to 6 and comprises a laminated bus 1, an absorption capacitor 2, a film capacitor 3, a sheet metal shell 4, an alternating current copper bar 5, a driving plate 6, a water cooling plate 7, an IGBT8, a protection plate 9 and a discharge resistor 10, wherein the sheet metal shell 4 is of a rectangular shell structure, a plurality of installation holes 41 for installing the film capacitor 3 are formed above two sides of the sheet metal shell 4, the water cooling plate 7 is installed below the inside of the sheet metal shell 4, the discharge resistor 10 and the IGBT8 are installed on two sides of the water cooling plate 7 respectively, and a wiring terminal of the water cooling plate 7 extends to the outside of the sheet metal shell 4, so that the power density; install a stromatolite generating line 1 respectively in sheet metal shell 4's both sides, the one end of stromatolite generating line 1 is installed on film capacitor 3's terminal, the other end is connected to on IGBT 8's the positive negative output terminal, discharge resistor 10 electricity is connected to stromatolite generating line 1 and carries out the discharge treatment to film capacitor 3, guarantee maintainer personal safety, installation alternating current copper bar 5 on IGBT 8's the alternating current output terminal, installation drive plate 6 on IGBT 8's the control terminal, installation absorption capacitor 2 above IGBT 8's positive negative terminal, installation guard plate 9 directly over drive plate 6, prevent that external foreign matter from damaging drive plate 6.
A plurality of installation through holes 11 are formed in the laminated bus 1, and the absorption capacitor 2 is installed on the installation through holes 11.
A plurality of mounting holes 41 are formed in the first side surface 42 and the second side surface 43 of the sheet metal shell 4, the first row of film capacitors 3 are inserted into the first side surface 42 through the mounting holes 41 in the first side surface 42, and the second row of film capacitors 3 are inserted into the second side surface 43 through the mounting holes 41 in the second side surface 43; the double-sided opposite-insertion type installation of the thin-film capacitor 3 is realized, the structure is compact, and the power density is improved. The thin-film capacitor 3 is inserted in the installation mode, so that the section difference height of the laminated bus 1 is greatly reduced, the stray inductance of the module is effectively reduced, and the peak voltage of the IGBT is reduced.
And a plurality of radiating nets 44 are arranged on the other side surfaces of the sheet metal shell 4. The heat inside the sheet metal shell 4 is conveniently and timely dissipated, the internal temperature is reduced, and therefore the service life of the power module is prolonged.
The cross section of the alternating-current copper bar 5 is L-shaped, and the end part of the alternating-current copper bar is provided with a through hole 51, so that the power module is conveniently connected with external equipment.
One side of the laminated bus bar 1 is provided with a plurality of connecting holes 12, which is convenient for connecting or installing the laminated bus bar 1 with external equipment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a power module of two-sided formula mounting means that inserts that pair which characterized in that: the structure comprises a laminated bus, an absorption capacitor, a film capacitor, a sheet metal shell, an alternating current copper bar, a drive plate, a water cooling plate, an IGBT (insulated gate bipolar translator) and a discharge resistor, wherein the sheet metal shell is of a rectangular shell structure, a plurality of mounting holes used for mounting the film capacitor are formed in the upper portion of two sides of the sheet metal shell, the water cooling plate is mounted below the inner portion of the sheet metal shell, the discharge resistor and the IGBT are respectively mounted on two sides of the water cooling plate, a wiring terminal of the water cooling plate extends to the outside of the sheet metal shell, the laminated bus is respectively mounted on two sides of the sheet metal shell, one end of the laminated bus is mounted on a terminal of the film capacitor, the other end of the laminated bus is connected to a positive output terminal and a negative output terminal of the IGBT, the discharge resistor is electrically connected to the laminated bus to discharge the.
2. The power module of claim 1 in a double-sided mating-type mounting configuration, wherein: the laminated bus is provided with a plurality of mounting through holes, and the absorption capacitor is mounted on the mounting through holes.
3. The power module of claim 1 in a double-sided mating-type mounting configuration, wherein: one side of the laminated bus bar is provided with a plurality of connecting holes.
4. The power module of claim 1 in a double-sided mating-type mounting configuration, wherein: the first side face and the second side face of the sheet metal shell are both provided with a plurality of mounting holes, the first row of thin film capacitors are connected with the first side face in an inserting mode through the mounting holes in the first side face, and the second row of thin film capacitors are connected with the second side face in an inserting mode through the mounting holes in the second side face.
5. The power module of claim 1 in a double-sided mating-type mounting configuration, wherein: and the other side surfaces of the sheet metal shell are provided with heat radiating nets.
6. The power module of claim 1 in a double-sided mating-type mounting configuration, wherein: the cross section of the alternating current copper bar is L-shaped, and the end part of the alternating current copper bar is provided with a through hole.
7. The power module of claim 1 in a double-sided mating-type mounting configuration, wherein: and a protection plate is arranged right above the driving plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731994.2U CN209823630U (en) | 2019-05-21 | 2019-05-21 | Power module of two-sided formula mounting means of inserting to each other |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731994.2U CN209823630U (en) | 2019-05-21 | 2019-05-21 | Power module of two-sided formula mounting means of inserting to each other |
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| Publication Number | Publication Date |
|---|---|
| CN209823630U true CN209823630U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920731994.2U Active CN209823630U (en) | 2019-05-21 | 2019-05-21 | Power module of two-sided formula mounting means of inserting to each other |
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| CN (1) | CN209823630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227641A (en) * | 2021-04-06 | 2022-03-25 | 南京航空航天大学 | Three-degree-of-freedom parallel mechanism based on polyvinyl chloride gel driving |
-
2019
- 2019-05-21 CN CN201920731994.2U patent/CN209823630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227641A (en) * | 2021-04-06 | 2022-03-25 | 南京航空航天大学 | Three-degree-of-freedom parallel mechanism based on polyvinyl chloride gel driving |
| CN114227641B (en) * | 2021-04-06 | 2023-10-20 | 南京航空航天大学 | Three-degree-of-freedom parallel mechanism based on polyvinyl chloride gel driving |
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Effective date of registration: 20230724 Address after: No. 100, Hangtian Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), Binhai, Tianjin 300450 Patentee after: TIANJIN RUIYUAN ELECTRICAL Co.,Ltd. Address before: No.1 Xinghua No.7 Branch Road, economic development zone, Xiqing District, Tianjin Patentee before: Tianjin Ruineng electric Co.,LTD. |