CN206163322U - Coaxial capacitance - Google Patents
Coaxial capacitance Download PDFInfo
- Publication number
- CN206163322U CN206163322U CN201621149806.8U CN201621149806U CN206163322U CN 206163322 U CN206163322 U CN 206163322U CN 201621149806 U CN201621149806 U CN 201621149806U CN 206163322 U CN206163322 U CN 206163322U
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- CN
- China
- Prior art keywords
- thin
- film capacitor
- wiring terminal
- capacitor fuse
- fuse
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a coaxial capacitance, film capacitor core including center -band center hole, the film capacitor core is equipped with two binding post, and binding post includes the interior binding post and outer binding post of inside and outside distribution, and interior binding post and outer binding post are connected with the both ends of film capacitor core are electrically conductive respectively. Two binding post of this kind of coaxial capacitance are inside and outside distribution, effectively eliminate the parasitic reactance.
Description
Technical field
The utility model is related to a kind of thin-film capacitor, particularly a kind of coaxial capacitance.
Background technology
There is negative effects such as heat dissipation problem, stray reactance are big, dead resistance is big etc. in traditional industrial film electric capacity.Enter one
Step research finds end face metal spraying technique of the main cause in capacitor core for producing these negative factors, conventional high-temperature metal spraying technique
The general material for adopting is zinc, and traditional end face high temperature metal spraying technique can also bring dielectric to hold core thin film damage, increase electric capacity
Fuse produces heat in upper electric use.In addition, stray reactance Producing reason also has relation with the position of its binding post.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable for structure, noninductive coaxial capacitance, existing to overcome
The deficiency of technology.
What the purpose of this utility model was realized in：
A kind of coaxial capacitance, including the thin-film capacitor fuse of center band center hole, it is characterised in that：The thin-film capacitor core
Son is provided with two binding posts, and binding post includes the internal wiring terminal and external wiring terminal of inside and outside distribution, internal wiring terminal and
External wiring terminal is conductively connected respectively with the two ends of thin-film capacitor fuse.
The purpose of this utility model can also be solved using following technical measures：
Used as more specifically scheme, the internal wiring terminal is arranged on the top of thin-film capacitor fuse and by first
Electrode is conductively connected with the bottom surface of thin-film capacitor fuse, and between the top surface of internal wiring terminal and thin-film capacitor fuse felt pad is provided with
Piece, first electrode is passed through from center hole.
The external wiring terminal is conductively connected with the top surface of thin-film capacitor fuse.
The thin-film capacitor fuse is externally provided with encapsulating housing, encapsulating housing open top, internal wiring terminal and external terminal
Son is filled with insulation-encapsulated body at the open top of encapsulating housing, between encapsulating housing and thin-film capacitor fuse.
The top surface of the thin-film capacitor fuse and bottom surface are low-temperature sputter metallization end face, first electrode and external terminal
Son is connected respectively by solder or metal spraying technique with the bottom surface of thin-film capacitor fuse and top surface.
Used as further scheme, the external wiring terminal is in open loop shape.
Used as more specifically another program, the internal wiring terminal is conductively connected the end face center in thin-film capacitor fuse
Place, the bottom surface of thin-film capacitor fuse is conductively connected with one end of second electrode, outside second electrode other end Jing thin-film capacitor fuses
Zhou Shenzhi thin-film capacitors fuse top is connected with external wiring terminal；The second electrode is wire netting.
Used as more specifically yet another aspect, the wire netting is enclosed in thin-film capacitor fuse periphery, and external wiring terminal is arranged
At the top of thin-film capacitor fuse and on the inside of wire netting, external wiring terminal is corresponded on the outside of wire netting is provided with copper card, and copper card will
Wire netting is clamped in external wiring terminal periphery；Insulation spacer is provided between the external wiring terminal and thin-film capacitor fuse.
The top surface of the thin-film capacitor fuse and bottom surface are low-temperature sputter metallization end face, and second electrode lower end is by weldering
Material or metal spraying technique are conductively connected with the bottom surface of thin-film capacitor fuse, and the end face center of thin-film capacitor fuse is by solder or metal spraying
Technique is conductively connected with mesh sheet, and internal wiring terminal is conductively connected in mesh sheet.
The second electrode correspondence thin-film capacitor fuse periphery position is set to enamel insulation layer.
Used as more specifically another aspect, the thin-film capacitor fuse is provided with two or more, and each thin-film capacitor fuse is mutual
It is in parallel；Wherein, when thin-film capacitor fuse is set to two, two thin-film capacitor fuse axial arrangings, two thin-film capacitor cores
The opposite face of son is conductively connected with one end of second electrode, and second electrode other end Jing thin-film capacitor fuses periphery is extended positioned at upper
The thin-film capacitor fuse top in portion is connected with external wiring terminal；Internal wiring terminal is electrically connected at the thin-film capacitor fuse on top
It is conductively connected with the bottom surface of the thin-film capacitor fuse positioned at bottom on top and by first electrode, first electrode is thin from two
The center hole of membrane capacitance fuse is passed through.
The beneficial effects of the utility model are as follows：
（1）Two binding posts of such coaxial capacitance are in inside and outside distribution, effectively eliminate stray reactance；
（2）The electrode of such coaxial capacitance can be wire netting, be more beneficial for its radiating；
（3）The capacitor core end face of such coaxial capacitance is processed by low-temperature sputter smithcraft, so as to form sealing
Stronger conducting surface so that the stray inductance of thin-film capacitor fuse reduces, the humidity resistance that discharges water strengthens, and manufacturing cost also can drop
It is low, also, due to avoiding traditional handicraft in production process in bring high temperature to affect in thin-film capacitor fuse, further increase
The qualification rate of production and the service life of product；
（4）The metal mesh electrode of such coaxial capacitance can be arranged in capacitor core periphery, can be with after insulation processing
Become unique shell simultaneously.
Description of the drawings
Fig. 1 is the utility model first embodiment structural representation.
Fig. 2 is the A-A cross section structure diagrams of Fig. 1.
Fig. 3 is the utility model second embodiment structural representation.
Fig. 4 is the B-B cross section structure diagrams of Fig. 3.
Fig. 5 is the utility model 3rd embodiment structural representation.
Fig. 6 is the overlooking the structure diagram of Fig. 5.
Fig. 7 is the C-C cross section structure diagrams of Fig. 6.
Fig. 8 is the present invention looks up structural representation of Fig. 5.
Fig. 9 is the utility model fourth embodiment structural representation.
Figure 10 is the present invention looks up structural representation of Fig. 9.
Figure 11 is the D-D cross section structure diagrams of Figure 10.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Embodiment one, referring to shown in Fig. 1 and Fig. 2, a kind of coaxial capacitance, including the thin-film capacitor core of center band center hole 12
Son 1, the thin-film capacitor fuse 1 is provided with two binding posts, and binding post includes the internal wiring terminal 2 of inside and outside distribution and external
Line terminals 3（Internal wiring terminal 2 and external wiring terminal 3 are coaxially disposed）, internal wiring terminal 2 and external wiring terminal 3 respectively with film
The two ends of capacitor core 1 are conductively connected.
The internal wiring terminal 2 is arranged on the top of thin-film capacitor fuse 1 and by first electrode 5 and thin-film capacitor
The bottom surface of fuse 1 is conductively connected, and insulation spacer 7 is provided between the top surface of internal wiring terminal 2 and thin-film capacitor fuse 1, and first is electric
Pole 5 passes through from center hole 12, and the lower end of first electrode 5 is provided with conductive plate 51 and is conductively connected with the bottom surface of thin-film capacitor fuse 1.
The external wiring terminal 3 is conductively connected with the top surface of thin-film capacitor fuse 1.
The thin-film capacitor fuse 1 is externally provided with encapsulating housing 4, the open top of encapsulating housing 4, internal wiring terminal 2 and external
Line terminals 3 are located at the open top of encapsulating housing 4, and insulation-encapsulated body is filled between encapsulating housing 4 and thin-film capacitor fuse 1
6。
The top surface of the thin-film capacitor fuse 1 and bottom surface are low-temperature sputter metallization end face 11, first electrode 5 and external
Line terminals 3 are connected respectively by solder or metal spraying technique with the bottom surface of thin-film capacitor fuse 1 and top surface.
The external wiring terminal 3 is in open loop shape.
Embodiment two, referring to shown in Fig. 3 and Fig. 4, a kind of coaxial capacitance, including the thin-film capacitor core of center band center hole 12
Son 1, the thin-film capacitor fuse 1 is provided with two binding posts, and binding post includes the internal wiring terminal 2 of inside and outside distribution and external
Line terminals（Not shown in figure）, internal wiring terminal 2 and external wiring terminal are conductively connected respectively with the two ends of thin-film capacitor fuse 1.
The internal wiring terminal 2 is conductively connected at the end face center of thin-film capacitor fuse 1, the bottom of thin-film capacitor fuse 1
Face is conductively connected with one end of second electrode 9, and the periphery of 9 other end Jing thin-film capacitors fuse of second electrode 1 extends thin-film capacitor core
The top of son 1 is connected with external wiring terminal 3；The second electrode 9 is wire netting.
The wire netting is enclosed in the periphery of thin-film capacitor fuse 1, and wire netting can be enclosed in thin-film electro in the form of open loop
The form for holding the portion perimeter of fuse 1, or closed loop is fully enclosed in the periphery of thin-film capacitor fuse 1.Metal in the present embodiment
Net is enclosed in the periphery of thin-film capacitor fuse 1 in open loop form, and its opening is shown in C in Fig. 3.
The top surface of the thin-film capacitor fuse 1 and bottom surface are low-temperature sputter metallization end face 11, and the lower end of second electrode 9 leads to
Cross solder or metal spraying technique to be conductively connected with the bottom surface of thin-film capacitor fuse 1, the end face center of thin-film capacitor fuse 1 passes through solder
Or metal spraying technique is conductively connected with mesh sheet 8, internal wiring terminal 2 is conductively connected in mesh sheet 8.
The corresponding periphery position of thin-film capacitor fuse 1 of the second electrode 9 is set to enamel insulation layer.
The external wiring terminal 3 is in open loop shape.
Embodiment three, be with the difference of embodiment two：Referring to shown in Fig. 5 to Fig. 8, the internal wiring terminal 2 is led
It is connected electrically at the end face center of thin-film capacitor fuse 1, the bottom surface of thin-film capacitor fuse 1 is conductive with one end of second electrode 9 even
Connect, the periphery of 9 other end Jing thin-film capacitors fuse of second electrode 1 extends the top of thin-film capacitor fuse 1 and is connected with external wiring terminal 3；
The second electrode 9 is wire netting.
The wire netting is enclosed in the periphery of thin-film capacitor fuse 1 in open loop shape, and external wiring terminal 3 is arranged on thin-film capacitor core
The top of son 1 and positioned at wire netting inner side, wire netting outside correspondence external wiring terminal 3 is provided with copper card 10, and copper card 10 is by wire netting
It is clamped in the periphery of external wiring terminal 3；Insulation spacer 7 is provided between the external wiring terminal 3 and thin-film capacitor fuse 1.
Shell 20 is additionally provided with outside the second electrode 9, shell 20 is aluminum hull, radiation tooth aluminum hull or insulation gummed paper etc..
Outer enclosure material can be set between the internal wiring terminal 2 and external wiring terminal 3, the material can be modified pottery
Ceramic material.
Example IV, be with the difference of embodiment one：Referring to shown in Fig. 9 to Figure 11, the thin-film capacitor fuse 1
Two or more is provided with, each thin-film capacitor fuse 1 is parallel with one another；Wherein, when thin-film capacitor fuse 1 is set to two, two thin
The axial arranging of membrane capacitance fuse 1, two opposite faces of thin-film capacitor fuse 1 are conductively connected with one end of second electrode 9, and second is electric
The periphery of 9 other end Jing thin-film capacitors fuse of pole 1 extends the top of superposed thin-film capacitor fuse 1 and is connected with external wiring terminal 3；
Internal wiring terminal 2 is electrically connected on the top of the thin-film capacitor fuse 1 on top and by first electrode 5 and positioned at bottom
The bottom surface of thin-film capacitor fuse 1 is conductively connected, and first electrode 5 is passed through from the center hole 12 of two thin-film capacitor fuses 1, and first is electric
The lower end of pole 5 is provided with conductive plate 51 and is conductively connected with the bottom surface of thin-film capacitor fuse 1 of bottom.
Claims (10)
1. a kind of thin-film capacitor fuse of coaxial capacitance, including center band center hole, it is characterised in that：The thin-film capacitor fuse
It is provided with two binding posts, binding post includes the internal wiring terminal and external wiring terminal of inside and outside distribution, internal wiring terminal and outer
Binding post is conductively connected respectively with the two ends of thin-film capacitor fuse.
2. coaxial capacitance according to claim 1, it is characterised in that：The internal wiring terminal is arranged on thin-film capacitor fuse
It is conductively connected with the bottom surface of thin-film capacitor fuse on top and by first electrode, internal wiring terminal and thin-film capacitor fuse
Insulation spacer is provided between top surface, first electrode is passed through from center hole.
3. coaxial capacitance according to claim 2, it is characterised in that：The top surface of the external wiring terminal and thin-film capacitor fuse
It is conductively connected.
4. coaxial capacitance according to claim 3, it is characterised in that：The thin-film capacitor fuse is externally provided with encapsulating housing, envelope
Dress housing tip is opened wide, and internal wiring terminal and external wiring terminal are located at the open top of encapsulating housing, encapsulating housing and film
Insulation-encapsulated body is filled between capacitor core.
5. the coaxial capacitance according to claim 3 or 4, it is characterised in that：The top surface of the thin-film capacitor fuse and bottom surface are equal
Metallize end face for low-temperature sputter, first electrode and external wiring terminal by solder or metal spraying technique respectively with thin-film capacitor fuse
Bottom surface and top surface connection.
6. coaxial capacitance according to claim 1, it is characterised in that：The internal wiring terminal is conductively connected in thin-film capacitor core
At the end face center of son, the bottom surface of thin-film capacitor fuse is conductively connected with one end of second electrode, and other end Jing is thin for second electrode
Membrane capacitance fuse periphery extends thin-film capacitor fuse top and is connected with external wiring terminal；The second electrode is wire netting.
7. coaxial capacitance according to claim 6, it is characterised in that：The wire netting is enclosed in thin-film capacitor fuse periphery,
External wiring terminal is arranged on thin-film capacitor fuse top and positioned at wire netting inner side, wire netting outside correspondence external wiring terminal
Copper card is provided with, wire netting is clamped in external wiring terminal periphery by copper card；Set between the external wiring terminal and thin-film capacitor fuse
There is insulation spacer.
8. the coaxial capacitance according to claim 6 or 7, it is characterised in that：The top surface of the thin-film capacitor fuse and bottom surface are equal
For low-temperature sputter metallization end face, second electrode lower end connects by the way that solder or metal spraying technique are conductive with the bottom surface of thin-film capacitor fuse
Connect, the end face center of thin-film capacitor fuse is conductively connected by solder or metal spraying technique with mesh sheet, and internal wiring terminal is conductively connected
In mesh sheet.
9. coaxial capacitance according to claim 8, it is characterised in that：The second electrode correspondence thin-film capacitor fuse peripheral part
Position is set to enamel insulation layer.
10. coaxial capacitance according to claim 1, it is characterised in that：The thin-film capacitor fuse is provided with two or more, each thin
Membrane capacitance fuse is parallel with one another；Wherein, when thin-film capacitor fuse is set to two, two thin-film capacitor fuse axial arrangings,
Two opposite faces of thin-film capacitor fuse are conductively connected with one end of second electrode, second electrode other end Jing thin-film capacitor fuses
Periphery extends superposed thin-film capacitor fuse top and is connected with external wiring terminal；Internal wiring terminal is electrically connected at top
It is conductively connected with the bottom surface of the thin-film capacitor fuse positioned at bottom on the top of thin-film capacitor fuse and by first electrode, the
One electrode is passed through from the center hole of two thin-film capacitor fuses.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096533 | 2016-09-30 | ||
| CN2016210965335 | 2016-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163322U true CN206163322U (en) | 2017-05-10 |
Family
ID=58654142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621149806.8U Expired - Fee Related CN206163322U (en) | 2016-09-30 | 2016-10-24 | Coaxial capacitance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323954A (en) * | 2019-08-08 | 2019-10-11 | 中车青岛四方车辆研究所有限公司 | Three level traction power modules and inverter circuit based on SiC power device |
| CN113178330A (en) * | 2021-04-02 | 2021-07-27 | 安徽铜峰电子股份有限公司 | High-voltage columnar pulse capacitor and assembling method thereof |
-
2016
- 2016-10-24 CN CN201621149806.8U patent/CN206163322U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323954A (en) * | 2019-08-08 | 2019-10-11 | 中车青岛四方车辆研究所有限公司 | Three level traction power modules and inverter circuit based on SiC power device |
| CN113178330A (en) * | 2021-04-02 | 2021-07-27 | 安徽铜峰电子股份有限公司 | High-voltage columnar pulse capacitor and assembling method thereof |
| CN113178330B (en) * | 2021-04-02 | 2022-07-29 | 安徽铜峰电子股份有限公司 | High-voltage columnar pulse capacitor and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20171024 |