CN107507706A - It is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof - Google Patents
It is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof Download PDFInfo
- Publication number
- CN107507706A CN107507706A CN201710624025.2A CN201710624025A CN107507706A CN 107507706 A CN107507706 A CN 107507706A CN 201710624025 A CN201710624025 A CN 201710624025A CN 107507706 A CN107507706 A CN 107507706A
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- Prior art keywords
- busbar
- banding
- capacitor
- ring
- wheel hub
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- 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.)
- Pending
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- 239000003990 capacitor Substances 0.000 title claims abstract description 87
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 36
- 239000004033 plastic Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000003475 lamination Methods 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 11
- 238000005476 soldering Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 15
- 239000010408 film Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 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
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed 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
- H01G4/002—Details
- H01G4/228—Terminals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Include an annular plastics housing, multiple capacitor bodies, the two busbar parts and Embedding Material body as positive and negative electrode suitable for ring-plate capacitor of wheel hub motor and preparation method thereof, the ring-plate capacitor the invention discloses a kind of；Multiple capacitor bodies are annularly distributed in plastic casing, and the winding axis of each capacitor body is the axis direction along the ring-type；Two busbar parts are fitted in plastic casing annular in shape and mutually insulated and arranged around the multiple capacitor body respectively, and two busbar parts are connected with each end face of multiple capacitor bodies respectively；Two busbar parts further respectively have the exit extended to outside plastic casing；Embedding Material body is filled in the space between multiple capacitor bodies, two busbar parts and plastic casing.The present invention is solved in wheel hub motor application scenario, when common square capacitance is adapted to cylindrical controller, causes the problem of space waste is big, and power density is very low.
Description
Technical field
The present invention relates to thin film capacitor technical field, more particularly to a kind of ring-plate capacitor suitable for wheel hub motor
And preparation method thereof.
Background technology
New energy car has become automobile industry and has much perspective field now, and the actuation techniques of new energy vehicle and
Traditional combustion engine automobile has no small difference, and wherein has a kind of actuation techniques to have very big development prospect, and here it is wheel
Hub motor technology.
Wheel hub motor technology is also known as wheel inner electric machine technology, and its maximum feature is exactly by power, transmission and braking dress
Put and be all incorporated into wheel hub, therefore the mechanical part of electric vehicle is greatly simplified.Wheel hub motor possesses single wheel and independently driven
Dynamic characteristic, therefore either forerunner, rear-guard or 4 wheel driven form, can more easily be realized, while wheel hub motor can
Even to invert the differential steering for realizing similar caterpillar by the different rotating speeds of left and right wheelses, turning for vehicle is greatly reduced
Curved radius, pivot stud can be almost realized under special circumstances.
But wheel hub motor technology still has some technical barriers to need to break through at present, main following points：First, wheel
Hub electric system integrates the multiple functions such as driving, braking, carrying, and optimization design difficulty is big；Second, inside wheel space has
Limit, high is required to power of motor density performance, design difficulty is big.It is high for wheel hub motor integrated level, the problem of space is limited, wheel
Hub electric machine controller manufacturer it is also proposed new requirement to vehicle capacitor.
Existing automobile-used bus capacitor typically uses traditional squared design.Capacitance benefits using squared design are outer
Shape rule, easily design and processing, shortcoming is to be applied to that casing edge can be wasted very during cylindrical bosses electrode controller casing
Big block product, reduce the power density of electric machine controller.
The content of the invention
It is an object of the invention to overcome the deficiency of prior art, there is provided and a kind of annular capacitor suitable for wheel hub motor
Device and preparation method thereof, by the way that the structure design of capacitor is circularized, solve in wheel hub motor application scenario, it is common square
When electric capacity is adapted to cylindrical controller, the problem of space waste is big, and power density is very low is caused, annular composite bus bar ensure that
The dimensional accuracy of product, the self-induction of capacitor is reduced, global design is compact-sized, has good machinability.
The technical solution adopted for the present invention to solve the technical problems is：A kind of annular capacitor suitable for wheel hub motor
Device, including：
One plastic casing, it is loop configuration；
Multiple capacitor bodies, are annularly distributed in plastic casing, and the winding axis of each capacitor body is edge
The axis direction of the ring-type；
Two busbar parts as positive and negative electrode, fit in plastic casing annular in shape and mutually insulated and enclose respectively
Arranged around the multiple capacitor body, two busbar parts are connected with each end face of multiple capacitor bodies respectively；Two
Individual busbar part further respectively has the exit extended to outside plastic casing；And
Embedding Material body, it is filled in the space between multiple capacitor bodies, two busbar parts and plastic casing.
It is combined with each other to form one by the dielectric film of double-sides belt glue between two busbar parts as positive and negative electrode
Individual single piece and be fitted into the plastic casing.
The busbar part is made up of a banding busbar for being shaped to circle and an annular busbar, the banding busbar
Connected by soldering with annular busbar and mutually fixed.
The exit is located on annular busbar.
The banding busbar arranges that banding busbar, which is provided with, to be used for and corresponding electric capacity around the multiple capacitor body
The capillary that device fuse is connected.
The end face of the capacitor body is provided with gilding layer, the busbar part by the capillary on banding busbar with it is corresponding
The gilding layer of capacitor body be connected.
Capillary on the banding busbar is connected with the gilding layer of corresponding capacitor body by high current welding manner
Connect.
A kind of preparation method of ring-plate capacitor suitable for wheel hub motor, including：
Make multiple capacitor bodies, two banding busbar, two annular busbars and the plastic housings for being shaped to circle
Body, wherein, there is exit on annular busbar, there is capillary on banding busbar；
Two banding busbars are combined with each other to form a laminated tape with both positive and negative polarity by double-sides belt glue dielectric film
Shape busbar, two annular busbars are combined with each other to form a lamination annular with both positive and negative polarity by double-sides belt glue dielectric film
Busbar；
The corresponding both positive and negative polarity of lamination banding busbar and lamination annular busbar is respectively connected together to form one by soldering
Individual monoblock type both positive and negative polarity stack bus bar；
Multiple capacitor bodies are annularly distributed in plastic casing；
Both positive and negative polarity stack bus bar is loaded in plastic casing, and lamination banding busbar is surrounded the multiple capacitor body
Arrangement, then, welded by high current, by the capillary on two banding busbars respectively with the both ends of capacitor body wireline reel
Gilding layer welds together；
Embedding Material is added into plastic casing, makes Embedding Material filling capacitor body, both positive and negative polarity stack bus bar and modeling
Space between material shell body.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention circularizes structure as a result of by capacitor fabrication, can be applied to the special applications such as wheel hub electrode
Occasion, solve in wheel hub motor application scenario, when common square capacitance is adapted to cylindrical controller, cause space waste big,
The problem of power density is very low.
2nd, the present invention is as a result of using the dielectric film between two busbar parts as positive and negative electrode by double-sides belt glue
It is combined with each other to form a unitarily formed both positive and negative polarity stack bus bar, ensure that the dimensional accuracy of product, reduce capacitor
Self-induction, global design is compact-sized, has good machinability.
3rd, the present invention has the characteristics of low self-induction, than the electricity using the design of non-stack bus bar as a result of stack bus bar
Holding impedance (ESL) reduces by 30%.
The present invention is described in further detail below in conjunction with drawings and Examples；But one kind of the present invention is applied to wheel hub
Ring-plate capacitor of motor and preparation method thereof is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the three-dimensional shape schematic diagram of the embodiment present invention；
Fig. 2 is the front view of the embodiment present invention；
Fig. 3 is the top view of the embodiment present invention；
Fig. 4 is the D structure decomposing schematic representation of the embodiment present invention；
Fig. 5 is the sectional view of the embodiment present invention；
Fig. 6 is the three-dimensional distribution schematic diagram of multiple capacitor bodies of the embodiment present invention；
Fig. 7 is the overlook direction distribution schematic diagram of multiple capacitor bodies of the embodiment present invention；
Fig. 8 is the three-dimensional shape schematic diagram of the busbar part of the embodiment present invention；
Fig. 9 is the top view of the busbar part of the embodiment present invention；
Figure 10 is the front view of the busbar part of the embodiment present invention；
Figure 11 is the sectional view of the line A-A along Figure 10；
Figure 12 is the B portions enlarged diagram in Figure 11；
Figure 13 is the C portions enlarged diagram in Figure 11.
Embodiment
Embodiment
Referring to shown in Fig. 1 to Figure 13, a kind of ring-plate capacitor suitable for wheel hub motor of the invention, including：
One plastic casing 1, it is loop configuration, for substantially annular；
Multiple capacitor bodies 2, are annularly distributed in plastic casing 1, and the winding axis of each capacitor body 2 is
Along the axis direction of the ring-type, that is, the axis direction along substantially annular；
Two busbar parts 3 as positive and negative electrode, fit in respectively in plastic casing 1 simultaneously annular in shape and mutually insulated
Arranged around the multiple capacitor body 2, each end face of two busbar parts 3 respectively with multiple capacitor bodies 2 is connected
Connect, i.e. one of busbar part 3 connects the end face of the wireline reel of each capacitor body, and another busbar part 3 connects
The other end of the wireline reel of each capacitor body；Two busbar parts 3, which further respectively have, extends to drawing outside plastic casing 1
Go out end 31, exit 31 is used for and controller IGBT terminals and direct current input connection；And
Embedding Material body 4, it is filled in multiple 2, two spaces between busbar part 3 and plastic casing 1 of capacitor body
In.
In the present embodiment, it is compounded between two busbar parts 3 as positive and negative electrode by the dielectric film 5 of double-sides belt glue
Form a single piece 30 together and be fitted into the plastic casing 1.
In the present embodiment, in two busbar parts 3 as positive and negative electrode, each busbar part 3 is shaped to circle by one
The banding busbar 32 of shape and an annular busbar 33 are formed, and the banding busbar 32 is connected mutually solid with annular busbar 33 by soldering
It is fixed.
In the present embodiment, exit 31 is located on annular busbar 33.
In the present embodiment, banding busbar 32 is arranged around the multiple capacitor body 2, and banding busbar 32, which is provided with, to be used for
The capillary 34 being connected with corresponding capacitor body 2.
In the present embodiment, the end face of the wireline reel of capacitor body 2 is provided with gilding layer 21, and the busbar part 3 passes through band
Capillary 34 on shape busbar 32 is connected with the gilding layer 21 of corresponding capacitor body 2.
Capillary 34 on the banding busbar 32 passes through high current welding side with the gilding layer 21 of corresponding capacitor body
Formula is connected.
A kind of preparation method of ring-plate capacitor suitable for wheel hub motor of the present invention, including：
Make multiple capacitor bodies 2, two and be shaped to circular 32, two annular busbars 33 of banding busbar and a modeling
Material shell body 1, wherein, there is exit 31 on annular busbar 33, there is capillary 34 on banding busbar 32；
Two banding busbars 32 are combined with each other to form a lamination with both positive and negative polarity by double-sides belt glue dielectric film 5
Banding busbar, two annular busbars 33 are combined with each other to form folding with both positive and negative polarity by double-sides belt glue dielectric film 5
The annular busbar of layer；
The corresponding both positive and negative polarity of lamination banding busbar and lamination annular busbar is respectively connected together to form one by soldering
Individual monoblock type both positive and negative polarity stack bus bar (i.e. single piece) 30；
Multiple capacitor bodies 2 are annularly distributed in plastic casing 1；
Both positive and negative polarity stack bus bar 30 is loaded in plastic casing 1, and lamination banding busbar is surrounded the multiple capacitor
Fuse 2 is arranged, then, is welded by high current, and the capillary 34 on two banding busbars 32 is wound with capacitor body 2 respectively
The gilding layer 21 at the both ends of axle welds together；
Embedding Material is added into plastic casing 1, makes Embedding Material filling capacitor body 2, both positive and negative polarity stack bus bar 30
With the space between plastic casing 1, protected and fixed capacity device fuse and remaining parts using Embedding Material.
The present invention's is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof, employs capacitor fabrication
Structure is circularized, so as to applied to particular applications such as wheel hub electrodes, solve in wheel hub motor application scenario, commonly
When square capacitance is adapted to cylindrical controller, the problem of space waste is big, and power density is very low is caused.Present invention employs by two
Be combined with each other between the individual busbar part 3 as positive and negative electrode by the dielectric film 5 of double-sides belt glue to be formed one it is unitarily formed just
Negative pole stack bus bar 30, the dimensional accuracy of product is ensure that, reduce the self-induction of capacitor, global design is compact-sized, has
Good machinability.Present invention employs stack bus bar, has the characteristics of low self-induction, than the electricity using the design of non-stack bus bar
Holding impedance (ESL) reduces by 30%.
The present invention's is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof, using annular plastics housing 1
As shell, capacitor body 2 is designed using more fuses, by the circular array of more fuses, forms loop configuration；Fuse uses
More fuse designs, it is therefore an objective to by increasing the quantity of fuse, to reduce the gap between fuse so that the inside of annular outer cover 1 is empty
Between be fully utilized；Both positive and negative polarity stack bus bar 30 adds the design of banding busbar using annular busbar, is because annular busbar 33
Need a bending, it is possible to process with external connection terminals 31, and do not have the position of the bending terminal of banding busbar 32
The problem of being influenceed by shaping circularity, precision is greatly improved, in the design of this annular capacitor, serve and ensure terminal essence
The effect of degree；Banding busbar 32 is arranged around fuse, is made full use of the gap between core group and shell, is mainly played current-carrying；
Meanwhile banding busbar 32, due to going out terminal without bending, difficulty of processing and yield rate greatly promote, busbar holistic cost declines
30%；Both positive and negative polarity stack bus bar adds the design of banding busbar using annular busbar, and it is low to solve annular capacitor terminal precision, current-carrying
The shortcomings that ability is weak, while taken into account manufacturing cost.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is although of the invention
It is disclosed above with preferred embodiment, but it is not limited to the present invention.Any those skilled in the art, do not taking off
In the case of from technical solution of the present invention scope, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
More possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, it is every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modifications, equivalents, and modifications made for any of the above embodiments, it all should fall
In the range of technical solution of the present invention protection.
Claims (8)
- A kind of 1. ring-plate capacitor suitable for wheel hub motor, it is characterised in that：Including：One plastic casing, it is loop configuration；Multiple capacitor bodies, are annularly distributed in plastic casing, and the winding axis of each capacitor body is along institute State the axis direction of ring-type；Two busbar parts as positive and negative electrode, fit in plastic casing respectively annular in shape and mutually insulated and surround institute Multiple capacitor body arrangements are stated, two busbar parts are connected with each end face of multiple capacitor bodies respectively；Two mothers Row's part further respectively has the exit extended to outside plastic casing；AndEmbedding Material body, it is filled in the space between multiple capacitor bodies, two busbar parts and plastic casing.
- 2. the ring-plate capacitor according to claim 1 suitable for wheel hub motor, it is characterised in that：Two conducts It is combined with each other to form a single piece to load the modeling by the dielectric film of double-sides belt glue between the busbar part of positive and negative electrode In material shell body.
- 3. the ring-plate capacitor according to claim 2 suitable for wheel hub motor, it is characterised in that：The busbar part by One banding busbar for being shaped to circle and an annular busbar are formed, and the banding busbar is connected with annular busbar by soldering It is mutually fixed.
- 4. the ring-plate capacitor according to claim 3 suitable for wheel hub motor, it is characterised in that：The exit is located at On annular busbar.
- 5. the ring-plate capacitor according to claim 3 suitable for wheel hub motor, it is characterised in that：The banding busbar encloses Arranged around the multiple capacitor body, banding busbar is provided with the capillary for being used for being connected with corresponding capacitor body.
- 6. the ring-plate capacitor according to claim 5 suitable for wheel hub motor, it is characterised in that：The capacitor body End face be provided with gilding layer, gilding layer phase of the busbar part by the capillary on banding busbar with corresponding capacitor body Connection.
- 7. the ring-plate capacitor according to claim 6 suitable for wheel hub motor, it is characterised in that：On the banding busbar Capillary be connected with the gilding layer of corresponding capacitor body by high current welding manner.
- A kind of 8. preparation method of ring-plate capacitor suitable for wheel hub motor, it is characterised in that：Including：Multiple capacitor bodies, two banding busbar, two annular busbars and the plastic casings for being shaped to circle are made, its In, there is exit on annular busbar, there is capillary on banding busbar；Two banding busbars are combined with each other to form a lamination banding mother with both positive and negative polarity by double-sides belt glue dielectric film Row, two annular busbars are combined with each other to form a lamination annular mother with both positive and negative polarity by double-sides belt glue dielectric film Row；The corresponding both positive and negative polarity of lamination banding busbar and lamination annular busbar is respectively connected together by soldering to be formed one it is whole Body formula both positive and negative polarity stack bus bar；Multiple capacitor bodies are annularly distributed in plastic casing；Both positive and negative polarity stack bus bar is loaded in plastic casing, and lamination banding busbar is surrounded the multiple capacitor body cloth Put, then, welded by high current, by the spray with the both ends of capacitor body wireline reel respectively of the capillary on two banding busbars Layer gold welds together；Embedding Material is added into plastic casing, makes Embedding Material filling capacitor body, both positive and negative polarity stack bus bar and plastic housing Space between body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624025.2A CN107507706A (en) | 2017-07-27 | 2017-07-27 | It is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624025.2A CN107507706A (en) | 2017-07-27 | 2017-07-27 | It is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107507706A true CN107507706A (en) | 2017-12-22 |
Family
ID=60690051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624025.2A Pending CN107507706A (en) | 2017-07-27 | 2017-07-27 | It is a kind of suitable for ring-plate capacitor of wheel hub motor and preparation method thereof |
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| Country | Link |
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| CN (1) | CN107507706A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466669A (en) * | 2020-11-18 | 2021-03-09 | 安徽中容电子有限公司 | Combined thin film capacitor for electric automobile charging pile |
| CN113496822A (en) * | 2021-07-28 | 2021-10-12 | 宁国市裕华电器有限公司 | Regular hexagon direct current filter capacitor |
| US20220051855A1 (en) * | 2016-11-30 | 2022-02-17 | Protean Electric Limited | Capacitor component for an electric motor or generator |
| CN115512971A (en) * | 2022-10-14 | 2022-12-23 | 常州易控汽车电子股份有限公司 | High power density integration ring capacitor |
| CN113496822B (en) * | 2021-07-28 | 2024-10-29 | 宁国市裕华电器有限公司 | Regular hexagonal direct current filter capacitor |
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| JP2006253349A (en) * | 2005-03-10 | 2006-09-21 | Shizuki Electric Co Inc | Capacitor, and its manufacturing method |
| CN202384178U (en) * | 2011-12-07 | 2012-08-15 | 厦门法拉电子股份有限公司 | Capacitor structure with internal laminated bus bars |
| CN202871582U (en) * | 2012-10-23 | 2013-04-10 | 佛山市顺德区讯德电子电器有限公司 | Film capacitor for deep-well pump motor and deep-well pump motor with built-in film capacitor |
| CN104737253A (en) * | 2012-09-10 | 2015-06-24 | 普罗蒂恩电子有限公司 | A capacitor component |
-
2017
- 2017-07-27 CN CN201710624025.2A patent/CN107507706A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006253349A (en) * | 2005-03-10 | 2006-09-21 | Shizuki Electric Co Inc | Capacitor, and its manufacturing method |
| CN202384178U (en) * | 2011-12-07 | 2012-08-15 | 厦门法拉电子股份有限公司 | Capacitor structure with internal laminated bus bars |
| CN104737253A (en) * | 2012-09-10 | 2015-06-24 | 普罗蒂恩电子有限公司 | A capacitor component |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220051855A1 (en) * | 2016-11-30 | 2022-02-17 | Protean Electric Limited | Capacitor component for an electric motor or generator |
| US11688562B2 (en) * | 2016-11-30 | 2023-06-27 | Protean Electric Limited | Capacitor component for an electric motor or generator |
| CN112466669A (en) * | 2020-11-18 | 2021-03-09 | 安徽中容电子有限公司 | Combined thin film capacitor for electric automobile charging pile |
| CN112466669B (en) * | 2020-11-18 | 2021-11-05 | 安徽中容电子有限公司 | Combined thin film capacitor for electric automobile charging pile |
| CN113496822A (en) * | 2021-07-28 | 2021-10-12 | 宁国市裕华电器有限公司 | Regular hexagon direct current filter capacitor |
| CN113496822B (en) * | 2021-07-28 | 2024-10-29 | 宁国市裕华电器有限公司 | Regular hexagonal direct current filter capacitor |
| CN115512971A (en) * | 2022-10-14 | 2022-12-23 | 常州易控汽车电子股份有限公司 | High power density integration ring capacitor |
| CN115512971B (en) * | 2022-10-14 | 2023-11-10 | 常州易控汽车电子股份有限公司 | High power density integrated annular capacitor |
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Application publication date: 20171222 |