CN110111995B - Capacitor assembly structure - Google Patents
Capacitor assembly structure Download PDFInfo
- Publication number
- CN110111995B CN110111995B CN201910458451.2A CN201910458451A CN110111995B CN 110111995 B CN110111995 B CN 110111995B CN 201910458451 A CN201910458451 A CN 201910458451A CN 110111995 B CN110111995 B CN 110111995B
- Authority
- CN
- China
- Prior art keywords
- copper bar
- input
- capacitor
- positive
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 83
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 151
- 229910052802 copper Inorganic materials 0.000 claims abstract description 151
- 239000010949 copper Substances 0.000 claims abstract description 151
- 238000009434 installation Methods 0.000 claims description 4
- 239000010408 film Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/236—Terminals leading through the housing, i.e. lead-through
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/40—Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to the field of electronic components and discloses a capacitor assembly structure. A capacitor assembly structure for an electric vehicle driver, comprising: the shell is provided with a first input copper bar supporting column, a second input copper bar supporting column and a shell mounting supporting column, wherein the shell mounting supporting column is provided with a mounting hole; the positive and negative output copper bars are fixed on the shell and are fixedly connected with the output ends of the insulated gate bipolar transistor; the positive and negative input copper bars are fixed on the shell and are positioned on the second input copper bar support column; positive and negative copper bars at the input end of the whole machine; one end of the switching copper bar is fixedly arranged on the first input copper bar support column through a first connecting piece, and the other end of the switching copper bar is fixedly arranged on the second input copper bar support column through a second connecting piece, so that the capacitor assembly structure is integrated, miniaturized and convenient to assemble.
Description
Technical Field
The invention relates to the field of electronic components, in particular to a capacitor assembly structure.
Background
The traditional metal film capacitor has a simple structure, only comprises a plastic shell, and only comprises a fixed mounting hole, positive and negative copper bars connected with the output end and positive and negative bus bars connected with an IGBT (Insulated Gate Bipolar Transistor: insulated gate bipolar transistor), and the structure only meets the most common driver.
The traditional metal film capacitor structure is fixed, large in size and occupied in space, and the internal design of the whole driver is greatly limited, so that part of space cannot be fully and reasonably utilized.
Disclosure of Invention
In view of the above, it is necessary to provide a capacitor assembly structure that is integrated, miniaturized, and easy to assemble in a limited space.
In a first aspect, an embodiment of the present invention provides a capacitor assembly structure for an electric vehicle driver, including:
the shell is provided with a first input copper bar supporting column, a second input copper bar supporting column and a shell mounting supporting column, wherein the shell mounting supporting column is provided with a mounting hole;
the positive and negative output copper bars are fixed on the shell and are fixedly connected with the output end of the insulated gate bipolar transistor;
the positive and negative input copper bars are fixed on the shell and are positioned on the second input copper bar support column;
positive and negative copper bars at the input end of the whole machine;
the copper bar is connected with one end of the copper bar, the positive and negative copper bars of the input end of the whole machine are fixedly arranged on the first input copper bar support column through a first connecting piece, the other end of the copper bar is fixedly arranged on the second input copper bar support column through a second connecting piece, and the number of the copper bars is two.
In some embodiments, the second connection is a conductive support stud.
In some embodiments, the capacitor assembly structure further comprises a capacitor circuit board, and the shell is further provided with a capacitor circuit board support column;
the capacitor circuit board is fixed on the capacitor circuit board support column.
In some embodiments, the capacitor assembly structure further comprises an input-transfer copper bar support post;
the input switching copper bar support column is fixed between the capacitor circuit board and the switching copper bar.
In some embodiments, the capacitor assembly structure further comprises a shielding copper bar, and a shielding mounting seat is further arranged on the shell;
the shielding copper bar is fixedly arranged on the shielding installation seat and penetrates through the switching copper bar and the capacitor circuit board.
In some embodiments, the first input copper bar support post and the second input copper bar support post are both M6 support studs.
In some embodiments, the capacitive circuit board support posts are M4 support studs.
In some embodiments, the number of mounting holes is a plurality, and a plurality of the mounting holes are disposed on opposite sides of the housing.
In some embodiments, the number of the positive and negative output copper bars is a plurality.
In a second aspect, an embodiment of the present invention further provides a driver, including the above-mentioned capacitor assembly structure, where the capacitor assembly structure is fixed on the driver through a mounting hole of the housing.
Compared with the prior art, the invention has the beneficial effects that: in the capacitor assembly structure provided by the embodiment of the invention, the positive and negative input copper bars are fixed on the shell, the positive and negative output copper bars are fixedly connected with the output ends of the insulated gate bipolar transistor, the positive and negative input copper bars are positioned on the second input copper bar support column, one end of the switching copper bar is fixedly arranged on the first input copper bar support column through the first connecting piece with the positive and negative copper bars at the input end of the whole capacitor assembly structure, and the other end of the switching copper bar is fixedly arranged on the second input copper bar support column through the second connecting piece with the positive and negative input copper bars.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a perspective view of a capacitor assembly structure according to an embodiment of the present invention;
fig. 2 is a perspective view of another capacitor assembly structure according to an embodiment of the present invention;
fig. 3 is a perspective view of the installation of the switching copper bar and the positive and negative copper bars at the input end of the whole machine provided by the embodiment of the invention;
fig. 4 is a perspective view of a capacitive circuit board according to an embodiment of the present invention;
fig. 5 is a perspective view of a shielding copper bar according to an embodiment of the present invention.
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
In addition, the technical features mentioned in the different embodiments of the invention described below can be combined with one another as long as they do not conflict with one another.
Referring to fig. 1 to 5, a capacitor assembly structure 100 according to an embodiment of the present invention includes a housing 200, positive and negative output copper bars 300, positive and negative input copper bars 400, positive and negative copper bars 500 at the input end of the complete machine, and a switching copper bar 600. The positive and negative output copper bars 300 and the positive and negative input copper bars 400 are fixedly installed on the housing 200. Specifically, the positive and negative output copper bars 300 and the positive and negative input copper bars 400 are fixedly installed at the same side of the housing.
In the embodiment of the invention, the capacitor is a metal film capacitor, and the metal film capacitor has the characteristics of high insulation, low loss, high voltage resistance and the like. The metal film capacitor can be CBB91 type metallized polypropylene capacitor, CL20/CBB20 axial metallized film capacitor and the like. In other embodiments, the metal film capacitor may be of other types, and is not limited in this embodiment.
In the embodiment of the present invention, as shown in fig. 2, the housing 200 is a plastic housing and may be made of PVC or a silicone material, the housing 200 is rectangular, the housing 200 is provided with a first input copper bar support column 110, a second input copper bar support column 120 and a housing mounting support column 130, the number of the first input copper bar support columns 110 is two, the number of the second input copper bar support columns 120 is two, the two first input copper bar support columns 110 are disposed on the same side of the housing, and the two second input copper bar support columns 120 are disposed on the other side of the housing, that is, the first input copper bar support column 110 and the second input copper bar support column 120 are disposed opposite to each other. Only one second input copper bar support column 120 is shown in the figure, the first input copper bar support column 110 and the second input copper bar support column 120 are M6 support studs, and the outer diameter of the threads of the M6 support studs is 6 mm. In other embodiments, the second input copper bar support column 120 of the first input copper bar support column 110 may be other types of support studs, and the housing 200 may be other shapes.
In the embodiment of the present invention, as shown in fig. 2, the positive and negative output copper bars 300 are fixed on the housing 200, the number of the positive and negative output copper bars 300 is plural, the positive and negative output copper bars 300 are substantially square, and in other embodiments, the positive and negative output copper bars 300 may have other shapes. Fig. 2 illustrates, by way of example only, positive output copper bar 310 and negative output copper bar 320, positive output copper bar 330 and negative output copper bar 340, and positive output copper bar 350 and negative output copper bar 360, the spacing between positive and negative output copper bars 300 being self-configurable according to actual requirements, and in actual applications, further or fewer of the positive and negative output copper bars 300.
The shell mounting support column 130 is provided with a plurality of mounting holes 140, and the mounting holes 140 are embedded with steel sleeves, so that the steel sleeves can bear larger pressure, and the vibration level of the whole machine is ensured. The plurality of mounting holes 140 are provided at opposite sides of the housing 200. The mounting holes 141, 142, 143, 144, 145, and 146 are shown in fig. 2 by way of example only, and more or fewer mounting holes 140 may be included in practical applications, so long as the housing 200 is secured in the housing of the driver by screws through the mounting holes 140, without being limited in this embodiment.
In some embodiments, the positive output copper bar 300 and the negative output copper bar 300 are fixedly connected with the output end corresponding to the insulated gate bipolar transistor through a riveting nut, that is, the positive output copper bar and the positive electrode of the output end corresponding to the insulated gate bipolar transistor are fixedly connected through a riveting nut, and the negative output copper bar and the negative electrode of the output end corresponding to the insulated gate bipolar transistor are fixedly connected through a riveting nut, so that basic assembly of the capacitor is completed. Note that, the manner of fixedly connecting the positive and negative output copper bars 330 to the output ends corresponding to the insulated gate bipolar transistor is not limited to the connection by the rivet nut.
The positive and negative input copper bars 400 are fixedly mounted on the housing 200, the positive and negative input copper bars 400 are approximately rectangular, the distance between the positive and negative input copper bars 400 can be set according to actual requirements, and the positive and negative input copper bars 400 are located on the second input copper bar support columns 120. The number of the positive and negative input copper bars 400 is 2. In other embodiments, the shape of the positive and negative input copper bars 400 may be other.
In some embodiments, as shown in fig. 3, one end of the switching copper bar 600 and the positive and negative copper bars 500 of the input end of the complete machine are fixedly mounted on the first input copper bar support column 110 through a connecting piece, the connecting piece is a screw, and the first input copper bar support column 110 is provided with a screw hole corresponding to the screw. That is, one end of the switching copper bar 600 and the positive and negative copper bars 500 of the input end of the whole machine are fixedly mounted on the first input copper bar support column 110 through screws. The other end of the transfer copper bar 600 and the positive and negative input copper bars 400 are fixedly mounted on the second input copper bar support columns 120 through second connecting pieces, the second connecting pieces are conductive support studs, and the conductive support columns are used for conductive connection and support of the capacitor circuit board. The number of the switching copper bars 600 is two, the number of the positive and negative copper bars 500 at the input end of the complete machine is identical to the number of the switching copper bars 600, namely the number of the positive copper bars at the input end of the complete machine is one, and the number of the negative copper bars at the input end of the complete machine is one. One of the switching copper bars 600 is connected with the positive copper bar of the input end, and the other switching copper bar 600 is connected with the negative copper bar of the input end, so that the connection of the positive and negative copper bars 500 of the input end of the whole machine and the capacitor is completed. The shapes of the switching copper bar 600 and the positive and negative copper bars 500 of the input end of the complete machine are approximately rectangular, and in other embodiments, the shapes of the switching copper bar 600 and the positive and negative copper bars 500 of the input end of the complete machine may be other.
In some embodiments, as shown in fig. 4, the capacitor assembly structure 100 further includes a capacitor circuit board 700, where the capacitor circuit board 700 is a Y capacitor circuit board, that is, the capacitor circuit board 700 is a Y capacitor integrated unit, and the Y capacitors are respectively connected across the capacitors between the two lines of the power line and the ground, so that after the capacitor fails, clicking is not caused, and personal safety is not compromised. The shell 200 is further provided with capacitor circuit board support columns 800, the capacitor circuit board support columns 800 are Y-shaped capacitor circuit board support columns, the number of the capacitor circuit board support columns 800 is 2, the capacitor circuit board support columns 800 are M4 support studs, and the thread outer diameter of each M4 support stud is 4 mm. The capacitor circuit board support columns 800 are provided with screw holes corresponding to the screws, and the capacitor circuit board 700 is fixed on the 2 capacitor circuit board support columns 800 through the screws, so that partial assembly of the capacitor circuit board 700 is completed. In other embodiments, the capacitive circuit board support column 800 may be other types of support studs.
In some embodiments, as shown in fig. 4, the capacitor assembly structure 100 further includes 2 input copper bar support columns 900, where the input copper bar support columns 900 are fixed between the capacitor circuit board 700 and the adapter copper bar 600, and the input copper bar support columns 900 are further used for supporting the capacitor circuit board 700, that is, the capacitor circuit board 700 is fixed on 2 capacitor circuit board support columns 800 and 2 input copper bar support columns 900 by screws, so that the installation of the entire capacitor circuit board 700 is completed. In other embodiments, the capacitive circuit board 700 is not limited to screw fixation to 2 capacitive circuit board support columns 800 and 2 input copper bar support columns 900.
In some embodiments, as shown in fig. 5, the capacitor assembly structure 100 further includes a shielding copper bar 1000, a shielding mounting seat 2000 is further provided on the housing 200, the shielding mounting seat 2000 is close to the second input copper bar support column 120, the shielding mounting seat 2000 is in a U-shaped structure, the shielding copper bar 1000 is fixedly mounted in the shielding mounting seat 2000 through a shielding insulating glue, the shielding mounting seat 2000 is mounted and fixed below the positive input copper bar, and the shielding copper bar 1000 can pass through the switching copper bar 600 and the capacitor circuit board 700, so that shielding detection is performed on the positive input copper bar, and assembly of the shielding copper bar 1000 is completed. In other embodiments, the shielding mounting base 2000 is not limited to a U-shaped structure, and the fixing manner is not limited to fixing by shielding insulating glue.
The capacitor assembly structure 100 provided by the embodiment of the invention can be applied to various drivers, can also be used as a single capacitor, and is flexible in disassembly and assembly and convenient in maintenance, when the capacitor assembly structure 100 is applied to the drivers in practical application, the capacitor assembly structure 100 is fixed on the drivers through the mounting holes 140 of the shell 200, and the capacitor assembly structure 100 has small overall size, does not occupy the space of a machine in mounting and use.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; combinations of features of the above embodiments or in different embodiments are possible within the idea of the invention, and many other variations of the different aspects of the invention as described above exist, which are not provided in detail for the sake of brevity; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or the technical features of the region can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A capacitor assembly structure for an electric vehicle driver, comprising:
the shell is provided with a first input copper bar supporting column, a second input copper bar supporting column and a shell mounting supporting column, wherein the shell mounting supporting column is provided with a mounting hole;
the positive and negative output copper bars are fixed on the shell and are fixedly connected with the output end of the insulated gate bipolar transistor;
the positive and negative input copper bars are fixed on the shell and are positioned on the second input copper bar support column;
positive and negative copper bars at the input end of the whole machine;
the copper bar is connected with one end of the copper bar, the positive and negative copper bars of the input end of the whole machine are fixedly arranged on the first input copper bar support column through a first connecting piece, the other end of the copper bar is fixedly arranged on the second input copper bar support column through a second connecting piece, and the number of the copper bars is two.
2. The capacitor mounting structure of claim 1, wherein the second connector is a conductive support stud.
3. The capacitor assembly structure of claim 2, further comprising a capacitor circuit board, wherein the housing is further provided with capacitor circuit board support posts;
the capacitor circuit board is fixed on the capacitor circuit board support column.
4. The capacitor mounting structure of claim 3, further comprising an input transfer copper bar support post;
the input switching copper bar support column is fixed between the capacitor circuit board and the switching copper bar.
5. The capacitor assembly structure of claim 4, further comprising a shielding copper bar, wherein the housing is further provided with a shielding mounting seat;
the shielding copper bar is fixedly arranged on the shielding installation seat and penetrates through the switching copper bar and the capacitor circuit board.
6. The capacitor assembly structure of claim 5, wherein the first input copper bar support post and the second input copper bar support post are each M6 support studs.
7. The capacitive assembly structure of claim 6, wherein the capacitive circuit board support posts are M4 support studs.
8. The capacitor mounting structure of claim 7, wherein the number of mounting holes is plural, and a plurality of the mounting holes are provided on opposite sides of the housing.
9. The capacitor mounting structure of claim 8, wherein the number of positive and negative output copper bars is a plurality.
10. A driver comprising the capacitor mounting structure of any one of claims 1-9, said capacitor mounting structure being secured to said driver through a mounting hole of said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458451.2A CN110111995B (en) | 2019-05-29 | 2019-05-29 | Capacitor assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458451.2A CN110111995B (en) | 2019-05-29 | 2019-05-29 | Capacitor assembly structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110111995A CN110111995A (en) | 2019-08-09 |
| CN110111995B true CN110111995B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910458451.2A Active CN110111995B (en) | 2019-05-29 | 2019-05-29 | Capacitor assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110111995B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584238A (en) * | 2020-05-29 | 2020-08-25 | 菲仕绿能科技(宁波)有限公司 | Film capacitor for electric vehicle controller |
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|---|---|---|---|---|
| CN202019316U (en) * | 2011-03-18 | 2011-10-26 | 北京国电四维清洁能源技术有限公司 | Solar inverter power module of solar inverter |
| CN203788165U (en) * | 2014-04-02 | 2014-08-20 | 惠州天能源科技有限公司 | Bus capacitor inversion module structure in inversion power source |
| CN104038085A (en) * | 2013-03-08 | 2014-09-10 | 台达电子工业股份有限公司 | Three-level current transformer |
| DE202015104615U1 (en) * | 2015-04-14 | 2015-09-22 | Abb Technology Ltd. | Power converter module |
| WO2016201821A1 (en) * | 2015-06-18 | 2016-12-22 | 国电南瑞科技股份有限公司 | Iegt-based high-power three-level converter power unit |
| CN209895921U (en) * | 2019-05-29 | 2020-01-03 | 深圳市麦格米特驱动技术有限公司 | Capacitor assembling structure |
-
2019
- 2019-05-29 CN CN201910458451.2A patent/CN110111995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202019316U (en) * | 2011-03-18 | 2011-10-26 | 北京国电四维清洁能源技术有限公司 | Solar inverter power module of solar inverter |
| CN104038085A (en) * | 2013-03-08 | 2014-09-10 | 台达电子工业股份有限公司 | Three-level current transformer |
| CN203788165U (en) * | 2014-04-02 | 2014-08-20 | 惠州天能源科技有限公司 | Bus capacitor inversion module structure in inversion power source |
| DE202015104615U1 (en) * | 2015-04-14 | 2015-09-22 | Abb Technology Ltd. | Power converter module |
| WO2016201821A1 (en) * | 2015-06-18 | 2016-12-22 | 国电南瑞科技股份有限公司 | Iegt-based high-power three-level converter power unit |
| CN209895921U (en) * | 2019-05-29 | 2020-01-03 | 深圳市麦格米特驱动技术有限公司 | Capacitor assembling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110111995A (en) | 2019-08-09 |
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Effective date of registration: 20240703 Address after: 518000 a; B; c501-c503; D; E, 5 / F, Tsinghua Ziguang science and Technology Park, No. 13, Langshan Road, North District, high tech Zone, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN MEGMEET ELECTRICAL Co.,Ltd. Country or region after: China Address before: 518000 c505, c507, c509, c511, C512, c514, C516, 5th floor, Tsinghua Ziguang science and Technology Park, No. 13, Langshan Road, North District, high tech Zone, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN MEGMEET DRIVE TECHNOLOGY Co.,Ltd. Country or region before: China |
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