CN105702459B - Three level thin film capacitors - Google Patents
Three level thin film capacitors Download PDFInfo
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- CN105702459B CN105702459B CN201410709366.6A CN201410709366A CN105702459B CN 105702459 B CN105702459 B CN 105702459B CN 201410709366 A CN201410709366 A CN 201410709366A CN 105702459 B CN105702459 B CN 105702459B
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- pole busbar
- fuse
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Abstract
The invention discloses a kind of three level thin film capacitors,Including housing,Capacitor body,Positive pole busbar,Cathode bus bar,Middle pole busbar,The first connection sheet being connected with positive pole busbar,The second connection sheet being connected with cathode bus bar,The 3rd connection sheet being connected with middle pole busbar,The first electrode terminal being connected with positive pole busbar,The second electrode terminal being connected with cathode bus bar and the 3rd electrode terminal being connected with middle pole busbar,Capacitor body includes first group and second group,The positive pole of first group capacitor fuse is connected in parallel to each other by positive pole busbar and the first connection sheet,The negative pole of second group capacitor fuse is connected in parallel to each other by cathode bus bar and the second connection sheet,The positive pole of the negative pole of first group capacitor fuse and the second group capacitor fuse is one another in series by the middle pole busbar and the 3rd connection sheet for being located at the second end face of first group and the second group capacitor fuse respectively.
Description
Technical field
The present invention relates to a kind of capacitor, more particularly to a kind of thin film capacitor, relates more specifically to a kind of for electricity
Three level thin film capacitors of electrical automobile.
Background technology
The thin film capacitor of such as metallic film capacitor has low-loss, high pressure resistant, temperature characterisitic and frequency characteristic
Good characteristic.
Metallization film capacitor in correlation technique is typically only capable to be separately provided, and capacitance is small, or multiple metalized films
Capacitor connecting structure is complicated, inconvenient problem with use be present.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem to a certain extent.
Therefore, the present invention proposes a kind of three level thin film capacitors, three level thin film capacitor attachment structure letter
It is single, it is easy to assembly.
Three level thin film capacitors according to embodiments of the present invention, including it is housing, capacitor body, positive pole busbar, negative
Pole busbar, middle pole busbar, the first connection sheet being connected with positive pole busbar, the second connection sheet being connected with cathode bus bar, with middle pole
The 3rd connected connection sheet of busbar, the first electrode terminal being connected with positive pole busbar, the second electrode end being connected with cathode bus bar
Son and the 3rd electrode terminal that is connected with middle pole busbar, the capacitor body, positive pole busbar, cathode bus bar, middle pole busbar, the
A connecting piece, the second connection sheet and the 3rd connection sheet are located in the housing and by embedding insulator seal, the capacitor
Fuse includes first group and second group, the first end face of the first group capacitor fuse and the second group capacitor fuse
First end face is relative to each other, and the positive pole of the first group capacitor fuse passes through in the second end face of the group capacitor fuse
The positive pole busbar and the first connection sheet be connected in parallel to each other, the negative pole of the second group capacitor fuse passes through positioned at this group of electric capacity
The cathode bus bar and the second connection sheet in the second end face of device fuse are connected in parallel to each other, and the first group capacitor fuse is born
The positive pole of pole and the second group capacitor fuse by being located at the first of described first group and the second group capacitor fuse respectively
The middle pole busbar of end face and the 3rd connection sheet are one another in series.
Three level thin film capacitors according to embodiments of the present invention, by positive pole busbar and cathode bus bar respectively by electric capacity
Device fuse connects into two groups be set up in parallel, and middle pole busbar can be connected two group capacitor fuses by the 3rd connection sheet
Together, it is not only simple in structure, it is easy to assembly, easily multiple unit capacitor fuse can be cascaded, and can carry
The integral capacitor amount of high capacitance is extensive suitable for three-level structure, use range.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the assembling of the positive pole busbar and capacitor body of three level thin film capacitors according to embodiments of the present invention
Schematic diagram；
Fig. 2 is the assembling of middle the pole busbar and capacitor body of three level thin film capacitors according to embodiments of the present invention
Schematic diagram；
Fig. 3 is the side view of three level thin film capacitors according to embodiments of the present invention.
Reference：
Thin film capacitor 100；
Housing 10；
Positive pole busbar 20；First electrode terminal 21；First connection sheet 22；First connection terminal 221；
Cathode bus bar 30；Second electrode terminal 31；
Middle pole busbar 40；3rd electrode terminal 41；3rd connection sheet 42；3rd connection terminal 421；
Capacitor body 60.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " length ", " width ", " thickness ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relative
Importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be with bright
Show or implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or two
More than individual, unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Three level thin film capacitors 100 according to embodiments of the present invention are specifically described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, three level according to embodiments of the present invention include housing 10, electric capacity with thin film capacitor 100
Device fuse 60, positive pole busbar 20, cathode bus bar 30, middle pole busbar 40, the first connection sheet 22 being connected with positive pole busbar 20, with it is negative
The second connected connection sheet of pole busbar 30, the 3rd connection sheet 42 being connected with middle pole busbar 40, the to be connected with positive pole busbar 20
One electrode terminal 21, the second electrode terminal 31 being connected with cathode bus bar 30 and the 3rd electrode terminal being connected with middle pole busbar 40
41。
Specifically, capacitor body 60, positive pole busbar 20, cathode bus bar 30, middle pole busbar 40, the first connection sheet 22,
Second connection sheet and the 3rd connection sheet 42 are located in housing 10 and by embedding insulator seal.
Capacitor body 60 includes first group and second group, and the first end face of the first group capacitor fuse 60 is electric with second group
The first end face of container fuse 60 is relative to each other, and the positive pole of the first group capacitor fuse 60 passes through positioned at the group capacitor fuse 60
Second end face on the connection sheet 22 of positive pole busbar 20 and first be connected in parallel to each other, the negative pole of the second group capacitor fuse 60 passes through position
It is connected in parallel to each other in the connection sheet of cathode bus bar 30 and second in the second end face of the group capacitor fuse 60, the first group capacitor core
Sub 60 negative pole and the positive pole of the second group capacitor fuse 60 by being located at first group and the second group capacitor fuse 60 respectively
The connection sheet 42 of middle pole busbar 40 and the 3rd of first end face is one another in series.
In other words, as shown in figure 1, capacitor body 60 includes first group and second group separated along the longitudinal direction, wherein,
The front end face of the rear end face of first group capacitor fuse 60 and the second group capacitor fuse 60 is relative to each other.Positive pole busbar 20 is located at
On the front end face of first group capacitor fuse 60, positive pole busbar 20 is provided with multiple the first connection sheets 22 being connected in parallel to each other, multiple
Front end face of first connection sheet 22 respectively with multiple capacitor bodies 60 of the first group capacitor fuse 60 is connected.
As shown in Fig. 2 cathode bus bar 30 is located on the rear end face of the second group capacitor fuse 60, cathode bus bar 30 is provided with
Multiple the second connection sheets being connected in parallel to each other, multiple second connection sheets multiple capacitor cores with the second group capacitor fuse 60 respectively
The rear end face of son 60 is connected.
As shown in figure 3, middle pole busbar 40 is located among first group and the second group capacitor fuse 60, set on middle pole busbar 40
There is the 3rd connection sheet 42, the front edge of the connection sheet 42 of a portion the 3rd is connected with the rear end face of the first group capacitor fuse 60,
The back edge of the connection sheet 42 of another part the 3rd is connected with the front end face of the second group capacitor fuse 60, so as to realize first group and
Second group capacitor fuse 60 is connected in series.
Thus, three level thin film capacitor 100 according to embodiments of the present invention, passes through positive pole busbar 20 and cathode bus bar
30 respectively connect into capacitor body 60 two groups be set up in parallel, and middle pole busbar 40 can be incited somebody to action by the 3rd connection sheet 42
Two group capacitor fuses 60 are cascaded, and are not only simple in structure, easy to assembly, can be easily by multiple unit capacitor fuse 60
It is cascaded, and the integral capacitor amount of capacitor can be improved, it is extensive suitable for three-level structure, use range.
According to one embodiment of present invention, middle pole busbar 40 is located at the first group capacitor fuse 60 and the second group capacitor
Between fuse 60, the 3rd connection sheet 42 is integrally formed as sheet with middle pole busbar 40.That is, the 3rd connection sheet 42 is middle pole
The part that busbar 40 extends downwardly, the middle connection sheet 42 of pole busbar 40 and the 3rd, which is integrally formed into, is located at the first group capacitor fuse
60 and the second laminated structure between group capacitor fuse 60, the upper edge of middle pole busbar 40 upwardly extends to form the 3rd electrode tip
Son 41.Thus, the middle pole busbar 40 of the structure is not only rational in infrastructure, and be molded and it is easy to assembly, reduce preparation cost.
The arrangement of capacitor body 60 can carry out reasonable adjusting according to the structure of three level, alternatively, such as Fig. 1 institutes
Show, according to one embodiment of present invention, each group of electricity in the first group capacitor fuse 60 and the second group capacitor fuse 60
Container fuse 60 is arranged in multiple row and each row include at least one layer.Preferably, capacitor body 60 is two groups, and each group includes
Multiple row and it is each row include two layers.Thus, on the basis of guarantee is rational in infrastructure, easy to assembly, three electricity can further be improved
The flat capacitance with thin film capacitor 100.
According to one embodiment of present invention, along the first connection terminal 221 is provided with, second connects for the periphery of the first connection sheet 22
The periphery of contact pin is provided with the 3rd connection terminal 421 along second connection end, the periphery edge of the 3rd connection sheet 42 is provided with.Further
Ground, the first connection terminal 221 can be multiple and along the periphery of the first connection sheet 22 along arranged for interval, and second connection end can be with
To be multiple and along the periphery of the second connection sheet along arranged for interval, the 3rd connection terminal 421 can be multiple and along the 3rd connection sheet
42 periphery is along arranged for interval.
That is, the periphery of the first connection sheet 22 is along being provided with multiple first connection terminals 221 arranged spaced apart, second
The periphery of connecting portion is provided with multiple intervals along multiple second connection end arranged spaced apart, the periphery edge of the 3rd connecting portion is provided with
Open the 3rd connection terminal 421 of arrangement, the first connection sheet 22, the second connection sheet and the 3rd connection sheet 42 by connection terminal with
Corresponding capacitor body 60 is weldingly connected.Thus, each connection sheet welds phase by connection terminal and capacitor body 60
Even, facilitate Automation of Welding, effectively lift the quality and efficiency of assembling of product.
Alternatively, according to one embodiment of present invention, the first connection sheet 22 and the first connection terminal 221 are integrally formed,
Second connection sheet and second connection end are integrally formed, and the 3rd connection sheet 42 and the 3rd connection terminal 421 are integrally formed.Further
Ground, the first connection sheet 22 is integrally formed with positive pole busbar 20, and the second connection sheet is integrally formed with cathode bus bar 30, the 3rd connection sheet
42 is integrally formed with middle pole busbar 40.
That is, the connection sheet 22 of positive pole busbar 20 and first and the first connection terminal 221 are integrally formed, cathode bus bar 30
Integrally formed, the middle connection sheet 42 of pole busbar 40 and the 3rd and the 3rd connection terminal 421 with the second connection sheet and second connection end
It is integrally formed.Thus, integrally formed structure not only ensure that the overall structure stability of three level thin film capacitors 100,
And shaping and it is easy to assembly, improve efficiency of assembling while reduce preparation cost.
Three level according to embodiments of the present invention are general for this area with other compositions of thin film capacitor 100 and operation
All it is known for logical technical staff, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (7)
1. a kind of three level thin film capacitors, it is characterised in that female including housing, capacitor body, positive pole busbar, negative pole
Row, middle pole busbar, the first connection sheet being connected with positive pole busbar, the second connection sheet being connected with cathode bus bar, with middle pole busbar
Connected the 3rd connection sheet, the first electrode terminal being connected with positive pole busbar, the second electrode terminal being connected with cathode bus bar and
The 3rd electrode terminal being connected with middle pole busbar,
The capacitor body, positive pole busbar, cathode bus bar, middle pole busbar, the first connection sheet, the second connection sheet and the 3rd connection
Piece is located in the housing and by embedding insulator seal,
The capacitor body includes first group and second group, the first end face of the first group capacitor fuse and described second
The first end face of group capacitor fuse is relative to each other, the first end face of the first group capacitor fuse and middle pole busbar and the 3rd
Connection sheet electrically connects, and second end face electrically connects with positive pole busbar and the first connection sheet, and the first of the second group capacitor fuse
End face electrically connects with middle pole busbar and the 3rd connection sheet, and second end face and the cathode bus bar and second of the second group capacitor fuse connect
Contact pin electrically connects；Capacitor body in the first group capacitor fuse is connected in parallel between each other, second group of electric capacity
Capacitor body in device fuse is connected in parallel between each other, the first group capacitor fuse and the second group capacitor fuse string
Connection connection.
2. three level thin film capacitor according to claim 1, it is characterised in that the middle pole busbar is located at described
Between one group capacitor fuse and the second group capacitor fuse, the middle pole busbar is integrally formed as piece with the 3rd connection sheet
Shape.
3. three level thin film capacitor according to claim 2, it is characterised in that in described first group and second group
Each group capacitor plug arrangement includes at least one layer into multiple row and each row.
4. three level thin film capacitor according to claim 3, it is characterised in that the capacitor body is two groups,
Each group includes two layers including multiple row and each row.
5. three level thin film capacitor according to claim 1, it is characterised in that the periphery edge of first connection sheet
Provided with the first connection terminal, the periphery of second connection sheet is along provided with second connection end, the periphery of the 3rd connection sheet
Edge is provided with the 3rd connection terminal.
6. three level thin film capacitor according to claim 5, it is characterised in that first connection sheet connects with first
Connecting terminal is integrally formed, and second connection sheet and second connection end are integrally formed, and the 3rd connection sheet is connected with the 3rd
Terminal is integrally formed.
7. three level thin film capacitor according to claim 1, it is characterised in that first connection sheet is female with positive pole
Row is integrally formed, and second connection sheet is integrally formed with cathode bus bar, and the 3rd connection sheet is integrally formed with middle pole busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709366.6A CN105702459B (en) | 2014-11-28 | 2014-11-28 | Three level thin film capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709366.6A CN105702459B (en) | 2014-11-28 | 2014-11-28 | Three level thin film capacitors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105702459A CN105702459A (en) | 2016-06-22 |
| CN105702459B true CN105702459B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709366.6A Active CN105702459B (en) | 2014-11-28 | 2014-11-28 | Three level thin film capacitors |
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| Country | Link |
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| CN (1) | CN105702459B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130310A (en) * | 2019-12-31 | 2020-05-08 | 西安华为技术有限公司 | Laminated busbar and electronic equipment |
| CN116844859B (en) * | 2023-02-08 | 2024-05-14 | 浙江七星电子股份有限公司 | DC supporting capacitor for electric drive of new energy automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009099884A (en) * | 2007-10-19 | 2009-05-07 | Toyota Motor Corp | Capacitor |
| CN102280247A (en) * | 2010-06-10 | 2011-12-14 | 现代自动车株式会社 | Capacitor for inverter of vehicle |
| JP2013251351A (en) * | 2012-05-31 | 2013-12-12 | Meidensha Corp | Capacitor |
| CN103986309A (en) * | 2014-05-23 | 2014-08-13 | 台达电子企业管理（上海）有限公司 | Direct-current capacitor module and laminated busbar structure thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110149472A1 (en) * | 2009-12-21 | 2011-06-23 | Nuintek Co., Ltd. | Method of connecting busbars with capacitor and product manufactured by the same method |
-
2014
- 2014-11-28 CN CN201410709366.6A patent/CN105702459B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009099884A (en) * | 2007-10-19 | 2009-05-07 | Toyota Motor Corp | Capacitor |
| CN102280247A (en) * | 2010-06-10 | 2011-12-14 | 现代自动车株式会社 | Capacitor for inverter of vehicle |
| JP2013251351A (en) * | 2012-05-31 | 2013-12-12 | Meidensha Corp | Capacitor |
| CN103986309A (en) * | 2014-05-23 | 2014-08-13 | 台达电子企业管理（上海）有限公司 | Direct-current capacitor module and laminated busbar structure thereof |
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| Publication number | Publication date |
|---|---|
| CN105702459A (en) | 2016-06-22 |
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