CN208608064U - A kind of thin film capacitor for electric automobile charging pile DC filtering - Google Patents
A kind of thin film capacitor for electric automobile charging pile DC filtering Download PDFInfo
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- CN208608064U CN208608064U CN201821369735.1U CN201821369735U CN208608064U CN 208608064 U CN208608064 U CN 208608064U CN 201821369735 U CN201821369735 U CN 201821369735U CN 208608064 U CN208608064 U CN 208608064U
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Abstract
The utility model provides a kind of thin film capacitor for electric automobile charging pile DC filtering, including circle leans on shape shell, filler material and setting and leans on the intracorporal capacitor body of shape shell in circle;The capacitor body includes that capacitor body, first lead, the second lead and the electrode assembly on plug are constituted;The capacitor body is provided with the first gilding layer, the second gilding layer;Described first lead one end is electrically connected with the first metal block below electrode assembly first electrode by welding, and the first lead other end is electrically connected with the first gilding layer by welding;Second lead one end is electrically connected with the second metal block below electrode assembly second electrode by welding, and the second lead other end is electrically connected with the second gilding layer by welding.
Description
Technical field
The utility model relates to thin film capacitor manufacturing technologies, in particular to a kind of to filter for electric automobile charging pile direct current
The thin film capacitor of wave.
Background technique
As electric car is more more and more universal, in order to meet charging demand for electric vehicles, charging pile market is also constantly being expanded
Greatly.Charging pile is that inversion is depressured after filtering AC rectification, and the alternating current of decompression again fill for storage battery by rectified filtering formation
The direct current of electricity, the energy storage device of smooth direct current output is improved at charging pile rectification circuit both ends to reduce AC ripple ripple
As charging pile DC filter capacitor.Due to the requirement of charging pile high-energy and high security, and the load of charging pile institute band is (electric
Bottle) it is non-linear equipment, the reliability of charging pile DC filter capacitors and safety are even more important.Charging pile direct current is filtered at present
Wave capacitor generallys use electrolytic capacitor, there are service lifes it is short, ripple current ability to bear is poor the defects of, due to charging pile
The case where DC filter capacitors failure causes electric car storage battery to damage is also frequent occurrence.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of film for electric automobile charging pile DC filtering
Capacitor has many advantages, such as that long service life, ripple current ability to bear are good.
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of thin film capacitor for electric automobile charging pile DC filtering, including circle are leant on shape shell, filler material and are set
It sets and leans on the intracorporal capacitor body composition of shape shell in circle;The capacitor body include capacitor body on plug,
First lead, the second lead and electrode assembly are constituted;The capacitor body is provided with the first gilding layer, the second gilding layer;
Described first lead one end is electrically connected with the first metal block below electrode assembly first electrode by welding, and the first lead is another
One end is electrically connected with the first gilding layer by welding;Second metal below second lead one end and electrode assembly second electrode
Block is electrically connected with the second gilding layer by welding by welding electrical connection, the second lead other end.
Further, the electrode assembly is integrated injection structure, including first electrode, second electrode and stick, described
First metal block, the second metal block and first electrode, second electrode are in unitary metallic structure;The stick is axially external to be provided with
The consistent cambered surface of shape shell radian is leant on circle, is made outside capacitor cambered surface after capacitor body is by the stick installation of electrode assembly
It sees and has more aesthetic feeling.
Further, the circle leans on shape shell and is symmetrically arranged with locating slot with stick equivalent width, the capacitor sheet
Body is placed on locating slot by the stick of electrode assembly.
Further, first gilding layer, the second gilding layer are with a thickness of 1mm;First lead, second can be improved in this thickness
Lead welds fastness with it.
Further, the first lead, the second lead are band-like copper sheet structure, this structure can be improved and the first metal
Block, the second metal block and with the first gilding layer, the second gilding layer pad area.
Further, it is identical as the stick thickness of electrode assembly to lean on shape shell clamping slot depth for the circle.
Compared with prior art, the utility model has the following beneficial effects:
1. circle leans on shape shell, filler material and the design of capacitor body being integrally formed structure, during capacitor use,
Lead is not in that scolding tin falls off with gilding layer solder joint with base part metal block solder joint and lead, reduces capacitor internal
Poor contact phenomenon occurs, and can effectively improve charging pile DC filter capacitor service life;
2. first lead, the second lead be band-like copper sheet structure, can be improved with the first metal block, the second metal block and with
First gilding layer, the second gilding layer pad area, are effectively reduced charging pile DC filter capacitor equivalent resistance, to make ripple
Current carrying capability improves.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model main sectional view;
Fig. 2 is the utility model side partial cross-sectional;
Fig. 3 is the utility model top view;
Fig. 4 is the utility model electrode assembly top view.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The utility model provides a kind of thin film capacitor for electric automobile charging pile DC filtering, including circle leans on shape shell
It body 10, filler material 3 and circle is set leans on capacitor body in shape shell 10 and constitute;The capacitor body includes wound on core
Capacitor body 2, first lead 31, the second lead 32 and electrode assembly on stick 1 are constituted;The capacitor body 2 is arranged
There are the first gilding layer 21, the second gilding layer 2, first gilding layer 21, the second gilding layer 22 with a thickness of 1mm;This thickness can mention
High first lead 31, the second lead 32 weld fastness with it;Under described 31 one end of first lead and electrode assembly first electrode 41
The first metal block 401 of side is electrically connected with the first gilding layer 21 by welding by welding electrical connection, 31 other end of first lead
It connects;Described second lead, 32 one end is electrically connected with 42 the second metal block 402 of lower section of electrode assembly second electrode by welding, described
Second lead, 32 other end is electrically connected with the second gilding layer 22 by welding, and the first lead 31, the second lead 32 are band-like
Copper sheet structure, this structure can be improved with the first metal block 401, the second metal block 402 and with the first gilding layer 21, the second metal spraying
22 pad area of layer.
The electrode assembly is integrated injection structure, including first electrode 41, second electrode 42 and stick 40, and described first
Metal block 401, the second metal block 402 and first electrode 41, second electrode 42 are in unitary metallic structure;40 axis of stick is outside
Side, which is provided with, leans on the consistent cambered surface 400 of 10 radian of shape shell with circle, when capacitor body is installed by the stick 40 of electrode assembly
After so that capacitor cambered surface appearance is had more aesthetic feeling.
The circle leans on shape shell 10 and is symmetrically arranged with locating slot 100 with 40 equivalent width of stick, the capacitor body
It is placed on locating slot 100 by the stick 40 of electrode assembly, the circle leans on 10 locating slot of shape shell, 100 depth and electrode assembly
40 thickness of stick it is suitable.
The utility model is used for the thin film capacitor of electric automobile charging pile DC filtering, and capacitor body passes through electrode
The stick 40 of component is mounted on the round cambered surface 400 for after leaning on the locating slot 100 of shape shell 10, keeping stick 40 axially external and circle leans on shape
10 cambered surface of shell is consistent, and then casting filler material 3 and solidification make capacitor body lean on 10 being integrally formed structure of shape shell with round,
Not only capacitor appearance has more aesthetic feeling, and during capacitor use, first lead 31, the second lead 32 and base part the
One metal block 401,402 solder joint of the second metal block and be not in scolding tin with the first gilding layer 21,22 solder joint of the second gilding layer
It falls off, reduces the generation of capacitor internal poor contact phenomenon, charging pile DC filter capacitor service life can be effectively improved;
The utility model is used for the thin film capacitor of electric automobile charging pile DC filtering, and first lead 31, second are drawn
Line 32 be band-like copper sheet structure, can be improved with the first metal block 401, the second metal block 402 and with the first gilding layer 21, second
22 pad area of gilding layer, is effectively reduced charging pile DC filter capacitor equivalent resistance, to make ripple current ability to bear
It improves.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of thin film capacitor for electric automobile charging pile DC filtering, which is characterized in that lean on shape shell including circle
(10), filler material (3) and setting are in the round capacitor body leant in shape shell (10);The capacitor body includes wound on core
Capacitor body (2), first lead (31), the second lead (32) and electrode assembly on stick (1) are constituted;The capacitor core
Sub (2) are provided with the first gilding layer (21), the second gilding layer (22);The first electricity of described first lead (31) one end and electrode assembly
The first metal block (401) passes through welding electrical connection, first lead (31) other end and the first gilding layer below pole (41)
(21) pass through welding electrical connection;Second metal block below described second lead (32) one end and electrode assembly second electrode (42)
(402) by welding electrical connection, the second lead (32) other end is electrically connected with the second gilding layer (22) by welding.
2. a kind of thin film capacitor for electric automobile charging pile DC filtering according to claim 1, feature exist
Injection structure, including first electrode (41), second electrode (42) and stick (40) are integrated in: the electrode assembly, described
One metal block (401), the second metal block (402) and first electrode (41), second electrode (42) are in unitary metallic structure;The item
Axially external be provided with of block (40) leans on the consistent cambered surface of shape shell (10) radian (400) with circle.
3. a kind of thin film capacitor for electric automobile charging pile DC filtering according to claim 1, feature exist
In: the circle is leant on shape shell (10) and is symmetrically arranged with and the locating slot (100) of stick (40) equivalent width, the capacitor body
It is placed on locating slot (100) by the stick (40) of electrode assembly.
4. a kind of thin film capacitor for electric automobile charging pile DC filtering according to claim 1, feature exist
In: first gilding layer (21), the second gilding layer (22) are with a thickness of 1mm.
5. a kind of thin film capacitor for electric automobile charging pile DC filtering according to claim 1, feature exist
In: the first lead (31), the second lead (32) they are band-like copper sheet structure.
6. a kind of thin film capacitor for electric automobile charging pile DC filtering according to claim 1, feature exist
In: it is identical as stick (40) thickness of electrode assembly that the circle leans on shape shell (10) locating slot (100) depth.
Priority Applications (1)
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CN201821369735.1U CN208608064U (en) | 2018-08-24 | 2018-08-24 | A kind of thin film capacitor for electric automobile charging pile DC filtering |
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CN201821369735.1U CN208608064U (en) | 2018-08-24 | 2018-08-24 | A kind of thin film capacitor for electric automobile charging pile DC filtering |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109103020A (en) * | 2018-08-24 | 2018-12-28 | 安徽中容电子有限公司 | A kind of thin film capacitor for electric automobile charging pile DC filtering |
CN109192507A (en) * | 2018-08-20 | 2019-01-11 | 钱立文 | A kind of electric automobile charging pile DC filtering thin film capacitor |
-
2018
- 2018-08-24 CN CN201821369735.1U patent/CN208608064U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109192507A (en) * | 2018-08-20 | 2019-01-11 | 钱立文 | A kind of electric automobile charging pile DC filtering thin film capacitor |
CN109103020A (en) * | 2018-08-24 | 2018-12-28 | 安徽中容电子有限公司 | A kind of thin film capacitor for electric automobile charging pile DC filtering |
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