CN206022114U - A kind of busbar structure for thin film capacitor welding - Google Patents
A kind of busbar structure for thin film capacitor welding Download PDFInfo
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- CN206022114U CN206022114U CN201621023924.4U CN201621023924U CN206022114U CN 206022114 U CN206022114 U CN 206022114U CN 201621023924 U CN201621023924 U CN 201621023924U CN 206022114 U CN206022114 U CN 206022114U
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- busbar
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Abstract
The utility model discloses a kind of busbar structure for thin film capacitor welding, is come off with solving solder joint, causes the technical problem of whole capacitor failure.The busbar structure for being used for thin film capacitor welding includes that capacitor body assembly, the capacitor body assembly are made up of some capacitor bodies being arranged in order；Busbar assembly, the busbar assembly are made up of inner side busbar assembly and outside busbar assembly, and the inner side busbar assembly, outside busbar assembly are adapted and connect as one with the size of the capacitor body assembly；Bus-bar, the number of the bus-bar are multiple, and are arranged in order along the busbar assembly, and one end of the bus-bar is fixed on the outside busbar assembly, and the other end is fixed on the capacitor body by welding main body.
Description
Technical field
This utility model is related to capacitor manufacturing technology field, specially a kind of Large Copacity, high-voltage metal thin-film electro
Container welds busbar structure.
Background technology
At present, metallic film capacitor is one of electronic equipment primary element, with every straight, bypass, coupling, filtering,
The fields such as energy conversion, resonant tank and control circuit；New-energy automobile is mainly used in DC-LINK metallic film capacitors
Filtering and absorption spike, the necessary capacity of its feature is big, ESR and ESL is low.Large Copacity be using multiple with metallized film by certain
After technique winding, core part is in parallel is constituted, and is then drawn by busbar.Soldering is typically adopted between busbar and fuse end face
Or the technique of electric current welding is attached；New-energy automobile DC-LINK metallic film capacitors in manufacturing process all
The metal spraying face by busbar with capacitor body is needed to be attached by certain way；General busbar and capacitor body metal spraying
The connected mode in face is directly to carry out the technique that tin welding or electric current are welded, Huo Zhemu by busbar and capacitor body end face
Row is transferred by soft lead, the former its have the disadvantage that the stress that welding position is subject to is larger, plasticity scope is little, easily appearance
Solder joint after welding comes off, and welding process electric current or temperature parameter are of a relatively high, easily capacitor body is caused to damage；Afterwards
Person is that technological process is more, increased solder joint and cost, is not easy to carry out automated production；General busbar adopts copper material plated surface
Process of tin is processed manufacture, and itself has higher intensity, the coefficient of expansion between busbar and capacitor body, inserts
Difference, in rated condition long-play, its temperature can change capacitor, and welding position will produce stress, easily
There is solder joint to come off, cause whole capacitor failure；
Therefore, a kind of busbar structure for thin film capacitor welding is developed, is there is urgent researching value not only, also had
There are good economic benefit and commercial application potentiality, this power that exactly this utility model is accomplished is located and basis.
Utility model content
In order to overcome the defect of prior art as indicated above, the present inventor to have made intensive studies this, paying
After a large amount of creative works, so as to completing this utility model.
Specifically, technical problem to be solved in the utility model is：There is provided a kind of for thin film capacitor welding
Busbar structure, to solve above-mentioned technical problem.
For solving above-mentioned technical problem, the technical solution of the utility model is：Busbar knot for thin film capacitor welding
Structure, including：
Capacitor body assembly, the capacitor body assembly are made up of some capacitor bodies being arranged in order；
Busbar assembly, the busbar assembly are made up of inner side busbar assembly and outside busbar assembly, and the inner side busbar is total
It is adapted and connects as one into, outside busbar assembly with the size of the capacitor body assembly；
Bus-bar, the number of the bus-bar are multiple, and are arranged in order along the busbar assembly, the one of the bus-bar
End is fixed on the outside busbar assembly, and the other end is fixed on the capacitor body by welding main body.
As a kind of improvement, it is flexible connection between the bus-bar and the welding main body.
Used as a kind of improvement, bus-bar of the bus-bar for fine copper material, the surface of the bus-bar is provided with tin coating.
Used as a kind of improvement, the welding main body is soldering or electric welding.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：This utility model changes traditional busbar
Structure plasticity scope is little, when working long hours due to the different of thermal coefficient of expansion or by pad after extraneous external impacts
Caducous defect, is improved by the structure of the welding position to busbar, and welding position is reduced or eliminated with more plasticity
Stress on busbar and capacitor body junction point, enhances pad stability；And bus-bar of the present utility model does not have
Form the entirety for checking and balance, bus-bar be independently of one another, the unenclosed construction that is independent of each other；The upper end of bus-bar and mother
Row's main body is attached, and lower end is connected with fuse assembly by welding main body, non-interference between bus-bar；Its version can
Reduce material consumption, reduce capacitor weight itself.
Description of the drawings
Fig. 1 is D structure schematic diagram of the present utility model；
Fig. 2 is the front view of busbar assembly of the present utility model；
Fig. 3 is the top view of busbar assembly of the present utility model；
Fig. 4 is the left view of busbar assembly of the present utility model；
Fig. 5 is the profile at this utility model welding main body；
Fig. 6 is the partial enlarged drawing at this utility model welding main body；
In figure：1- capacitor body assemblies；Busbar assembly on the inside of 2-；Busbar assembly on the outside of 3-；4- bus-bars；5- connection masters
Body；6- welds main body.
Specific embodiment
This utility model is further illustrated with reference to specific embodiment.But the purposes of these exemplary embodiments
Only it is used for enumerating this utility model with purpose, any type of any limit is constituted to real protection scope of the present utility model not
Fixed, more non-protection domain of the present utility model is confined to this.
As Fig. 1 to Fig. 6 jointly shown in, be a kind of enforcement of the busbar structure that this utility model is used for thin film capacitor welding
Example, the structure include capacitor body assembly 1, and the capacitor body assembly 1 is by some capacitor core subgroups being arranged in order
Into；Also include busbar assembly, the busbar assembly is made up of inner side busbar assembly 2 and outside busbar assembly 3, the inner side busbar
Assembly 2, outside busbar assembly 3 are adapted and connect as one with the size of the capacitor body assembly 1；The embodiment is also wrapped
Bus-bar 4 is included, the number of the bus-bar 4 is multiple and is arranged in order along the busbar assembly that one end of the bus-bar 4 is solid
On the outside busbar assembly 3, the other end is fixed on the capacitor body by welding main body 6, in the embodiment
Welding main body 6 be antenniform solder joint.
In the embodiment, connected as one by connecting main body 5 between the bus-bar 4 and the welding main body 6, and
Connection main body 5 is flexible, the stress that can be so reduced or eliminated on busbar and capacitor body junction point, strengthens pad
Stability.
In addition, bus-bar of the present utility model 4 is the higher metal material of fine copper material or conductivity make, described conflux
The surface of row 4 is additionally provided with tin coating.Welding main body 6 in the embodiment is soldering or electric welding, and such benefit is welding
Partial sectional area is less, and the electric current of needs is little, and the time is short, and impact of the heat to core part is less
Concrete when making, first capacitor body assembly 1 and inner side busbar assembly 2, outside busbar assembly 3 are assembled,
Be welded to connect by electric current Welding or soldering process in welding portion, the sectional area of the welding portion on busbar assembly compared with
Little, the electric current of needs is little, and the time is short, and impact of the heat to core part is less；After the completion of the busbar assembly assembly welding of both sides, will
Embedding after which loads shell is fixed.
It should be appreciated that the purposes of these embodiments is merely to illustrate this utility model and is not intended to limit of the present utility model
Protection domain.Additionally, it will also be appreciated that after technology contents of the present utility model have been read, those skilled in the art can be right
This utility model makees various changes, modification and/or modification, and all these equivalent form of value equally falls within right appended by the application will
Within the protection domain for asking book to be limited.
Claims (4)
1. the busbar structure of thin film capacitor welding is used for, it is characterised in that included：
Capacitor body assembly, the capacitor body assembly are made up of some capacitor bodies being arranged in order；
Busbar assembly, the busbar assembly are made up of inner side busbar assembly and outside busbar assembly, the inner side busbar assembly, outer
Side busbar assembly is adapted and connects as one with the size of the capacitor body assembly；
Bus-bar, the number of the bus-bar are multiple, and are arranged in order along the busbar assembly, and one end of the bus-bar is solid
On the outside busbar assembly, the other end is fixed on the capacitor body by welding main body.
2. the busbar structure of thin film capacitor welding is used for as claimed in claim 1, it is characterised in that：The bus-bar and institute
State between welding main body as flexible connection.
3. the busbar structure of thin film capacitor welding is used for as claimed in claim 1 or 2, it is characterised in that：The bus-bar
For the bus-bar of fine copper material, the surface of the bus-bar is provided with tin coating.
4. the busbar structure of thin film capacitor welding is used for as claimed in claim 3, it is characterised in that：Described welding main body be
Soldering or electric current weldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023924.4U CN206022114U (en) | 2016-08-31 | 2016-08-31 | A kind of busbar structure for thin film capacitor welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023924.4U CN206022114U (en) | 2016-08-31 | 2016-08-31 | A kind of busbar structure for thin film capacitor welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022114U true CN206022114U (en) | 2017-03-15 |
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ID=58258228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621023924.4U Active CN206022114U (en) | 2016-08-31 | 2016-08-31 | A kind of busbar structure for thin film capacitor welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206022114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063048A (en) * | 2017-12-12 | 2018-05-22 | 珠海格力新元电子有限公司 | Busbar and with its capacitor |
-
2016
- 2016-08-31 CN CN201621023924.4U patent/CN206022114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063048A (en) * | 2017-12-12 | 2018-05-22 | 珠海格力新元电子有限公司 | Busbar and with its capacitor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |