CN107946081B - Aluminium electrolutic capacitor and thin film capacitor parallel connection compound die group - Google Patents
Aluminium electrolutic capacitor and thin film capacitor parallel connection compound die group Download PDFInfo
- Publication number
- CN107946081B CN107946081B CN201711133797.2A CN201711133797A CN107946081B CN 107946081 B CN107946081 B CN 107946081B CN 201711133797 A CN201711133797 A CN 201711133797A CN 107946081 B CN107946081 B CN 107946081B
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- thin film
- capacitor
- aluminium electrolutic
- positive
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- 239000003990 capacitor Substances 0.000 title claims abstract description 183
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 93
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000004411 aluminium Substances 0.000 title claims abstract description 91
- 239000010409 thin film Substances 0.000 title claims abstract description 84
- 150000001875 compounds Chemical class 0.000 title claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor 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
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/26—Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices with each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Inverter Devices (AREA)
Abstract
The present invention relates to a kind of aluminium electroloysis and thin film capacitor and gang mould groups.The aluminium electrolutic capacitor mould group and thin film capacitor Mo Zu are packed into respectively in the integrated casing of compound die group in parallel, aluminium electrolutic capacitor mould group and thin film capacitor mould group are respectively provided with a pair of of positive and negative electrode busbar, and draw that one or more groups of anode and cathode terminals are corresponding with the superposition of the positive and negative electrode input terminal of IGBT module to be installed simultaneously respectively.Aluminium electrolutic capacitor mould group is potted using insulating heat-conductive silica gel, and forms encapsulating plane as the radiating surface contacted with radiating bottom plate；Thin film capacitor mould group encapsulating or bonding, are connected as one stack bus bar and thin film capacitor with shell, guarantee structural reliability under the conditions of impact vibration.The present invention realizes the small size of electric vehicle motor drive controller major loop capacitor, easy to install, impact resisting vibrating；Motor drive controller Universal, modular is realized in help；And there is apparent cost advantage compared to thin film capacitor.
Description
Technical field
The present invention relates to the choosings of electric vehicle motor drive controller major loop smoothing capacitor
With, and a kind of aluminium electrolutic capacitor and thin film capacitor parallel connection compound die group are provided.
Background technique
Usual powerful power electronics frequency conversion, converter plant generally use aluminium electrolutic capacitor and film absorption capacitor
Parallel connection application, large capacity, the aluminium electrolutic capacitor of high impedance and low capacity, low-impedance thin film capacitor are respectively corresponded by motor
High frequency ripple voltage caused by low-frequency ripple voltage caused by counter electromotive force and power semiconductor switch act, is filtered for major loop
Wave smooth voltage and offer inactive power compensation.
Frequency-converting control device of the motor drive controller as driving motor of electric vehicle, it is desirable that first device that controller uses
Part has the features such as easy to install, impact resisting vibrating, small size, module generalization, since thin film capacitor is easily achieved rectangle side
Block-like product manufacturing realizes the fast simple installation of electric machine controller；And thin film capacitor internal metallization film adds casting glue
Structure can bear superpower impact vibration；So the thin film capacitor of rectangular block shape is in electric vehicle motor driven control at present
It is generallyd use in device processed.
But when driving motor power is larger, the filter condenser that reactive compensation needs to use large capacity is provided, due to
There are huge spreads with aluminium electrolutic capacitor in terms of static capacity density for thin film capacitor, so thin film capacitor is compared to aluminium electricity
Electrolysis condenser realizes small size, and there are still comparable difficulty；And thin film capacitor and aluminium electrolutic capacitor static capacity at
Differ greatly in terms of this ratio, especially automobile vendor is cost effective to component requires strongly, so using the film of large capacity
Capacitor is unfavorable for realizing small size, the low cost of motor drive controller.
High-power frequency conversion, converter plant generally use the aluminium electrolutic capacitor parallel way of more large cylinders, aluminium electricity
Using aluminum shell as structural support frame, intensity is not enough to support the larger weight and volume in electrolytic capacitor center electrolysis condenser
Reliability of core packet under the conditions of impact vibration, to guarantee that the structural reliability of aluminium electrolutic capacitor under the conditions of impact vibration must
The volume and weight of capacitor central core packet must be reduced as far as possible, thus small Al electrolytic capacitors product must be used to guarantee to shake
Reliability under the conditions of rotating ring border；And small Al electrolytic capacitors and gang mould group compared to large-scale aluminum electrolysis capacitor and gang mould
Group its unit volume static capacity density advantageously, such as the capacitor mould group and knot recorded in patent 201310009423.5
Structure, have been achieved with rectangular block shape miniaturization, can fast simple installation aluminium electrolutic capacitor mould group.
On the basis of the aluminium electrolutic capacitor modular structure recorded in patent 201310009423.5, how with low capacity,
Low-impedance thin film capacitor forms Application of composite structure in parallel, makes up under high voltage condition, and aluminium electrolutic capacitor mould group is being inhaled
The deficiency for receiving high frequency, large ripple current aspect ability, is still a difficult problem of motor drive controller structure design engineer.
Summary of the invention
It is real the object of the present invention is to provide the mould group of a kind of aluminium electrolutic capacitor and thin film capacitor integration application in parallel
Small size, the easy to install, impact resisting vibrating of existing electric vehicle motor drive controller major loop capacitor；Help realizes that motor drives
Movement controller Universal, modular；And there is apparent cost advantage compared to thin film capacitor.
The aluminium electroloysis that the technical solution of the invention is as follows and the thin film capacitor integration mould splits in parallel applied are
Two parts of aluminium electrolutic capacitor mould group and thin film capacitor mould group are characterized in that aluminium electrolutic capacitor mould group and thin
Membrane capacitance mould group respectively has a pair of of positive and negative electrode busbar, and draws one or more groups of anode and cathode terminals and IGBT module respectively just
Negative input terminal superposition is corresponding while installing.
As preferred: the aluminium electrolutic capacitor mould group and thin film capacitor Mo Zu are packed into the one of compound die group in parallel respectively
In the outside the pale of civilization shell of body, aluminium electrolutic capacitor mould group part is potted using insulating heat-conductive silica gel, and formed encapsulating plane as with
The radiating surface of radiating bottom plate contact；Thin film capacitor mould group encapsulating or bonding connect stack bus bar and thin film capacitor and shell
It is connected in one, guarantees structural reliability under the conditions of impact vibration.
As preferred: the aluminium electrolutic capacitor mould group includes positive busbar, insulation board and the cathode bus bar of laminated bus bar,
The wind guide tank of corresponding positive and negative electrode output terminal middle position installation, and the alminium electrolytic condenser in the installation of positive and negative electrode busbar two sides
Device, aluminium electrolutic capacitor top explosion-proof valve are packed into wind guide tank bayonet, and positive and negative electrode lead is welded with positive and negative electrode busbar respectively to be connected
It is logical, form aluminium electrolutic capacitor mould group or multiple groups aluminium electricity that laminated bus bar output terminal, wind guide tank and aluminium electrolutic capacitor are constituted
The parallel-connection structure mould group of electrolysis condenser mould group；The positive and negative electrode input terminal and layer being equipped with above aluminium electrolutic capacitor modular structure
The positive and negative anodes of folded busbar are correspondingly connected with；The thin film capacitor mould group includes positive busbar, insulation board and the cathode of laminated bus bar
Busbar, the thin film capacitor on corresponding every group of output terminal both sides and middle position installation.
As preferred: the aluminium electrolutic capacitor mould group and the thin film capacitor mould group respectively have a pair of of positive and negative anodes busbar,
The horizontally-parallel arrangement of positive and negative electrode busbar of two parts of aluminium electrolutic capacitor mould group and thin film capacitor mould group；The thin-film electro
The stack bus bar plane and positive and negative electrode terminal plane keeping parallelism of container mould group keep vertical or form angle.
As preferred: the aluminium electrolutic capacitor mould group and thin film capacitor mould group respectively draw respectively it is one or more groups of just,
Negative terminal superposition corresponding with the positive and negative electrode input terminal of IGBT module is installed simultaneously, and the thin film capacitor modular lamination is female
Arrange after the terminal that the terminal drawn and the aluminium electrolutic capacitor modular lamination busbar are drawn coincides with the upper and lower with a screw and
The connection installation of IGBT module input terminal.
As preferred: positive and negative electrode input terminal position is in aluminium electrolutic capacitor mould above the aluminium electrolutic capacitor mould group
Group surface or upper side.
As preferred: the positive and negative electrode input terminal above the aluminium electrolutic capacitor mould group is alternatively selected: raised spiral shell
Column connection, embedded nut connection are connected by one group of sheet metal that module casing stretches out.
As preferred: being divided into two empty slots inside the integrated casing and respectively correspond aluminium electrolutic capacitor mould group and film
Capacitor mould group installs vacancy.
As preferred: the thin film capacitor is packed into corresponding slot position in shell, and the aluminium electrolutic capacitor mould group carries out
Encapsulating, the thin film capacitor are potted or are bonded, and make stack bus bar, capacitor and the shell of the thin film capacitor mould group
It is connected as one.
Compared with prior art, beneficial effects of the present invention:
Rectangular block shape aluminium electrolutic capacitor and thin film capacitor combined shunt application mould group of the invention realizes corpusculum
Long-pending and simple installation；It ensure that reliability of the integrated Application of composite capacitor mould group under impact vibration environment；Pass through selection
The discrete small electrolytic capacitor and thin film capacitor of internal difference electric property, with the different power battery voltage of correspondence and drive
Dynamic power of motor grade meets whole-car firm to drive motor controller component to realize the generalization of capacitor module
The requirement of Universal, modular.
Detailed description of the invention
Fig. 1 is IGBT module of the present invention and aluminium electrolutic capacitor mould group part and thin film capacitor mould group part laminated bus bar
Scheme of installation；
Fig. 2 is aluminium electrolutic capacitor mould group part laminated bus bar of the present invention and wind guide tank, electrolytic capacitor scheme of installation；
Fig. 3 is thin film capacitor mould group part laminated bus bar of the present invention and thin film capacitor scheme of installation；
Fig. 4 is that IGBT module of the present invention and aluminium electrolutic capacitor mould group part and thin film capacitor mould group part general assembly are illustrated
Figure；
Fig. 5 is that aluminium electrolutic capacitor mould group part of the present invention and thin film capacitor mould group part show with integrated shell general assembly
It is intended to；
Fig. 6 is aluminium electroloysis of the present invention and thin film capacitor parallel connection Application of composite mould group section schematic diagram.
Primary clustering symbol description:
| 1 aluminium electrolutic capacitor mould group | 11 mould group anode busbars | 12 modular lamination master row insulating plates |
| 13 mould group cathode bus bars | 14 mould group positive terminals | 15 mould group negative terminals |
| 16 mould group wind guide tanks | 17 discrete aluminium electrolutic capacitors | 18 mould group positive input terminals |
| 19 mould group negative input terminals | 2 thin film capacitor mould groups | 21 mould group anode busbars |
| 22 mould group laminated bus bar insulation boards | 23 mould group cathode bus bars | 24 mould group positive terminals |
| 25 mould group negative terminals | 26 discrete thin film capacitors | 3 module shells |
| 4IGBT module | 41IGBT positive input terminal | 42IGBT negative input terminal |
| 5 radiating bottom plates |
Specific embodiment
The present invention is further detailed in conjunction with the accompanying drawings below:
It please refers to shown in FIG. 1 to FIG. 5, aluminium electrolutic capacitor compound die group in parallel with thin film capacitor,
It include aluminium electrolutic capacitor mould group 1 and thin film capacitor mould group 2；The aluminium electrolutic capacitor mould group 1 is equipped with one
To positive busbar 11, cathode bus bar 13, and draw one or more groups of positive terminals 14, negative terminal 15；The thin film capacitor
Mould group 2 is equipped with a pair of positive busbar 21, cathode bus bar 23, and draws one or more groups of positive terminals 24, negative terminal 25 respectively；
The positive terminal 14 and negative terminal 15 of the aluminium electrolutic capacitor mould group 1 and the positive terminal of the thin film capacitor mould group 2
24, negative terminal 25 and the positive input terminal 41 of IGBT module 4, the superposition of negative input terminal 42 is corresponding installs simultaneously.
It please refers to shown in Fig. 2, the aluminium electrolutic capacitor mould group 1 includes positive busbar 11, the insulation board 12 of laminated bus bar
The wind guide tank 16 installed with cathode bus bar 13, corresponding positive output terminals 14,15 middle position of negative output terminals, positive female
The aluminium electrolutic capacitor 17 of row 11 and the installation of 13 two sides of cathode bus bar, 17 top explosion-proof valve of aluminium electrolutic capacitor are packed into wind guide tank 16
In bayonet, positive and negative electrode lead is connected to positive busbar 11, the welding of cathode bus bar 13 respectively, forms laminated bus bar cathode output end
The aluminium electrolutic capacitor mould group 1 or multiple groups aluminium that son 14, negative output terminals 15, wind guide tank 16 and aluminium electrolutic capacitor 17 are constituted
The parallel-connection structure mould group of electrolytic capacitor mould group；Positive input terminal 18, the cathode being equipped with above aluminium electrolutic capacitor mould group 1 are defeated
The positive and negative electrode of the positive busbar 11 and cathode bus bar 13 that enter terminal 19 and laminated bus bar is correspondingly connected with；
It please refers to shown in Fig. 3, the thin film capacitor mould group 2 includes positive busbar 21,22 and of insulation board of laminated bus bar
Cathode bus bar 23, the thin film capacitor 26 on corresponding every group of output terminal both sides and middle position installation.
It please refers to shown in Fig. 2, Fig. 3, the aluminium electrolutic capacitor mould group 1 and the thin film capacitor mould group 2 respectively have a pair
Positive busbar 11 and 21, cathode bus bar 13 and 23, the positive busbar 11 of aluminium electrolutic capacitor mould group 1 and thin film capacitor mould group 2
With the horizontally-parallel arrangement of 21, cathode bus bar 13 and 23；The plane of the stack bus bar 21 and 23 of the thin film capacitor mould group 2 and just
Extreme son 24,25 plane keeping parallelism of negative terminal keep vertical or form angle.
Please refer to shown in Fig. 4, the aluminium electrolutic capacitor mould group 1 and thin film capacitor mould group 2 respectively draw respectively one group or
Multiple groups positive terminal 14 and 24, negative terminal 15 and 25 and positive input terminal 41, the negative input terminal 42 of IGBT module are right
It should be superimposed while install, mould group positive terminal 24, the mould group negative terminal 25 of 2 stack bus bar of the thin film capacitor mould group extraction
After mould group positive terminal 14, the mould group negative terminal 15 drawn with 1 stack bus bar of aluminium electrolutic capacitor mould group are overlapped above and below
Installation is connect with IGBT module IGBT positive input terminal 41 and IGBT negative input terminal 42 with a screw.
In the present embodiment, mould group positive terminal 18, the mould group negative terminal 19 of 1 top of aluminium electrolutic capacitor mould group
Set right above aluminium electrolutic capacitor mould group 1 or upper side, and alternatively select: raised Stud connection, embedded nut connect
It connects, connected by one group of sheet metal that module casing stretches out.
It please refers to shown in Fig. 6, two empty slots is divided into inside the integrated casing 3 and respectively correspond aluminium electrolutic capacitor mould group
1 and thin film capacitor mould group 2 install vacancy.
It please refers to shown in Fig. 6, the aluminium electrolutic capacitor mould group 1 and thin film capacitor mould group 2 are respectively charged into parallel compound
In the installation vacancy of two empty slots in the integrated casing 3 of mould group, aluminium electrolutic capacitor mould group 1 using insulating heat-conductive silica gel into
Row encapsulating, and encapsulating plane is formed as the radiating surface contacted with radiating bottom plate 5；2 encapsulating of thin film capacitor mould group or bonding, make
Stack bus bar and thin film capacitor 26 are connected as one with shell 3, guarantee structural reliability under the conditions of impact vibration.
It please refers to shown in Fig. 6, the thin film capacitor mould group 2 is packed into corresponding slot position in shell 3, the alminium electrolytic condenser
1 encapsulating of device mould group, the thin film capacitor mould group 2 are potted or are bonded, and keep the lamination of the thin film capacitor mould group 2 female
Row, thin film capacitor 26 are connected as one with shell 3.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the invention as claimed with
Modification, should all belong to the covering scope of the claims in the present invention.
Claims (6)
1. a kind of aluminium electrolutic capacitor compound die group in parallel with thin film capacitor, the mould group includes aluminium electrolutic capacitor mould group
With thin film capacitor mould group；It is characterized in that, the aluminium electrolutic capacitor mould group and the thin film capacitor mould group are respectively provided with one
To positive and negative electrode busbar, and one or more groups of positive and negative electrode terminals are drawn respectively and are superimposed with the positive and negative electrode input terminal of IGBT module
It corresponds to while installing, the aluminium electrolutic capacitor mould group includes positive busbar, insulation board and the cathode bus bar of laminated bus bar, corresponding
The wind guide tank of positive and negative electrode output terminal middle position installation, in the aluminium electrolutic capacitor of positive and negative electrode busbar two sides installation, aluminium electricity
Explosion-proof valve is packed into wind guide tank bayonet at the top of electrolysis condenser, and positive and negative electrode lead is connected to the welding of positive and negative electrode busbar respectively, is formed
The aluminium electrolutic capacitor mould group or multiple groups alminium electrolytic condenser that laminated bus bar output terminal, wind guide tank and aluminium electrolutic capacitor are constituted
The parallel-connection structure mould group of device mould group；Positive input terminal, the negative input terminal being equipped with above aluminium electrolutic capacitor modular structure
It is correspondingly connected with the positive and negative electrode of laminated bus bar；The thin film capacitor mould group include the positive busbar of laminated bus bar, insulation board and
Cathode bus bar, the thin film capacitor on corresponding every group of output terminal both sides and middle position installation, the thin film capacitor mould group
Stack bus bar plane and positive and negative electrode terminal plane keeping parallelism keep vertical, or form angle；The aluminium electrolutic capacitor mould
Group and the thin film capacitor mould group respectively have a pair of of positive and negative electrode busbar, aluminium electrolutic capacitor mould group and thin film capacitor mould group two
The horizontally-parallel arrangement of positive and negative electrode busbar of a part.
2. aluminium electrolutic capacitor compound die group in parallel with thin film capacitor according to claim 1, which is characterized in that the aluminium
Electrolytic capacitor mould group and thin film capacitor Mo Zu are packed into respectively in the integrated casing of compound die group in parallel, aluminium electrolutic capacitor
Mould group part is potted using insulating heat-conductive silica gel, and forms encapsulating plane as the radiating surface contacted with radiating bottom plate；It is thin
Membrane capacitance mould group encapsulating or bonding, are connected as one stack bus bar and thin film capacitor with shell, guarantee in impact vibration
Under the conditions of structural reliability.
3. aluminium electrolutic capacitor according to claim 1 compound die group in parallel with thin film capacitor, which is characterized in that described
Aluminium electrolutic capacitor mould group and thin film capacitor mould group respectively draw one or more groups of positive and negative electrode terminals and IGBT module respectively
Positive and negative electrode input terminal is corresponding to be superimposed while installing, the terminal and the aluminium that the thin film capacitor modular lamination busbar is drawn
The terminal that electrolytic capacitor modular lamination busbar is drawn with a screw connect peace with IGBT module input terminal after coinciding with the upper and lower
Dress.
4. aluminium electrolutic capacitor according to claim 1 compound die group in parallel with thin film capacitor, which is characterized in that described
Aluminium electrolutic capacitor mould group top positive and negative electrode input terminal is arranged right above aluminium electrolutic capacitor mould group or upper side；It is described
Positive and negative electrode input terminal above aluminium electrolutic capacitor mould group is alternatively selected: raised Stud connection, embedded nut connect
It connects, connected by one group of sheet metal that module casing stretches out.
5. aluminium electrolutic capacitor according to claim 2 compound die group in parallel with thin film capacitor, which is characterized in that described
It is divided into two empty slots inside integrated casing and respectively corresponds aluminium electrolutic capacitor mould group and thin film capacitor mould group installation vacancy.
6. aluminium electrolutic capacitor according to claim 5 compound die group in parallel with thin film capacitor, which is characterized in that described
Thin film capacitor is packed into corresponding slot position in the shell, and the thin film capacitor is potted or is bonded, and makes the thin-film electro
Stack bus bar, capacitor and the shell of container mould group are connected as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133797.2A CN107946081B (en) | 2017-11-16 | 2017-11-16 | Aluminium electrolutic capacitor and thin film capacitor parallel connection compound die group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133797.2A CN107946081B (en) | 2017-11-16 | 2017-11-16 | Aluminium electrolutic capacitor and thin film capacitor parallel connection compound die group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946081A CN107946081A (en) | 2018-04-20 |
| CN107946081B true CN107946081B (en) | 2019-09-10 |
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| CN201711133797.2A Active CN107946081B (en) | 2017-11-16 | 2017-11-16 | Aluminium electrolutic capacitor and thin film capacitor parallel connection compound die group |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110071098A (en) * | 2019-05-06 | 2019-07-30 | 深圳市汇北川电子技术有限公司 | A kind of method of power modules capacitance arrangement |
| CN115881441A (en) * | 2023-03-03 | 2023-03-31 | 电子科技大学 | Solid capacitor with low equivalent series resistance and manufacturing method thereof |
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|---|---|---|---|---|
| CN102522228A (en) * | 2011-12-27 | 2012-06-27 | 北京金风科创风电设备有限公司 | Voltage Support Capacitor Module |
| CN102969908A (en) * | 2011-09-01 | 2013-03-13 | 周旺龙 | Capacitor unit combined structure for inverters of electric vehicles |
| CN103065805A (en) * | 2013-01-08 | 2013-04-24 | 周旺龙 | Rectangular aluminum electrolytic capacitor module with heat dissipation surface and structure of module |
| JP2013243282A (en) * | 2012-05-22 | 2013-12-05 | Toyota Motor Corp | Film capacitor |
| CN103618306A (en) * | 2013-11-23 | 2014-03-05 | 冶金自动化研究设计院 | Low-voltage servo driver distributed hybrid direct current bus energy storage filter |
| CN204190610U (en) * | 2014-09-02 | 2015-03-04 | 深圳茂硕电气有限公司 | A kind of photovoltaic DC-to-AC converter reduces the circuit that complete machine exports EMI |
-
2017
- 2017-11-16 CN CN201711133797.2A patent/CN107946081B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969908A (en) * | 2011-09-01 | 2013-03-13 | 周旺龙 | Capacitor unit combined structure for inverters of electric vehicles |
| CN102522228A (en) * | 2011-12-27 | 2012-06-27 | 北京金风科创风电设备有限公司 | Voltage Support Capacitor Module |
| JP2013243282A (en) * | 2012-05-22 | 2013-12-05 | Toyota Motor Corp | Film capacitor |
| CN103065805A (en) * | 2013-01-08 | 2013-04-24 | 周旺龙 | Rectangular aluminum electrolytic capacitor module with heat dissipation surface and structure of module |
| CN103618306A (en) * | 2013-11-23 | 2014-03-05 | 冶金自动化研究设计院 | Low-voltage servo driver distributed hybrid direct current bus energy storage filter |
| CN204190610U (en) * | 2014-09-02 | 2015-03-04 | 深圳茂硕电气有限公司 | A kind of photovoltaic DC-to-AC converter reduces the circuit that complete machine exports EMI |
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| CN107946081A (en) | 2018-04-20 |
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