CN208478154U - A kind of high frequency capacitor - Google Patents
A kind of high frequency capacitor Download PDFInfo
- Publication number
- CN208478154U CN208478154U CN201821375522.XU CN201821375522U CN208478154U CN 208478154 U CN208478154 U CN 208478154U CN 201821375522 U CN201821375522 U CN 201821375522U CN 208478154 U CN208478154 U CN 208478154U
- Authority
- CN
- China
- Prior art keywords
- high frequency
- manganin
- aluminium foil
- capacitor
- interior aluminium
- 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 discloses a kind of high frequency capacitor, including capacitor body, two gilding layers, two contact conductors and encapsulated layer, two gilding layer is sprayed at the both ends of the capacitor body respectively, one end of two contact conductors is separately connected two gilding layers, the other end of two contact conductors is protruding, the encapsulated layer wraps up the capacitor body and two gilding layers, the capacitor body includes the core layer of two overlappings winding, each core layer includes several outer manganin films, interior aluminium foil and a double-sided metalized polypropylene film, several outer manganin films, interior aluminium foil is respectively separated the two sides for being distributed in the double-sided metalized polypropylene film, and the outer manganin film is corresponded to each other with interior aluminium foil, interval between every two outer manganin film and interior aluminium foil, which is constituted, stays edge.The electric current throughput of the utility model is big, and High frequency filter effect is good, and high-frequency loss is small, can use under higher voltage or higher impulsive condition.
Description
Technical field
The utility model relates to capacitor technology field more particularly to a kind of high frequency capacitors.
Background technique
Capacitor, usually referred to as its ability for accommodating charge is capacitor, is indicated with letter C.Definition 1: capacitor, Gu Mingsi
Justice is ' container of dress electricity ', is a kind of device for accommodating charge.Capacitor be the electronic component that is largely used in electronic equipment it
One, the separated by direct communication being widely used in circuit couples, and bypasses, filtering, resonant tank, energy conversion, control etc..It is fixed
Justice 2: capacitor all constitutes a capacitor between any two are insulated from each other and the conductor (including conducting wire) that is spaced closely together.
Thin film capacitor is nonpolarity, insulation impedance is very high, frequency characteristic is excellent, and dielectric loss very little, therefore, film
Capacitor is widely used in automotive electronics illumination, ballast, LED drive power and energy-saving lamp etc..In thin film capacitor compared with
It is metallic electrode thin film capacitor for common one kind, by evaporation process in basement membrane single or double evaporation metal coating
For use as electrode.
It is also higher and higher to the structure and performance requirement of thin film capacitor with the universal and development of electrical lighting industry,
To thin film capacitor design and manufacture control more stringent requirements are proposed, design unreasonable or process control is inappropriate all can be tight
Ghost image rings capacitor service life and product performance.Existing thin film capacitor high pressure, high frequency, big pulse occasion use the longevity
Life is restricted, and is easy ageing failure, and stability is poor.And the High frequency filter effect of existing thin film capacitor is poor, and it is high
Frequency is lost larger, is unable to satisfy requirement.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, it is big to provide a kind of electric current throughput, High frequency filter
Effect is good, and high-frequency loss is small, the high frequency capacitor that can be used under higher voltage or higher impulsive condition.
The technical solution of the utility model is as follows:
A kind of high frequency capacitor, including capacitor body, two gilding layers, two contact conductors and encapsulated layer, two metal spraying
Layer is sprayed at the both ends of the capacitor body respectively, and one end of two contact conductors is separately connected two gilding layers, two contact conductors
The other end it is protruding, the encapsulated layer wraps up the capacitor body and two gilding layers, and the capacitor body includes
The core layer of two overlapping windings, each core layer includes several outer manganin films, interior aluminium foil and a two-sided metallized polypropylene
Film, several outer manganin films, interior aluminium foil are respectively separated the two sides for being distributed in the double-sided metalized polypropylene film, and institute
It states outer manganin film to correspond to each other with interior aluminium foil, the interval between every two outer manganin film and interior aluminium foil constitutes and stays edge.
Further, the encapsulated layer is made of epoxy resin.
Further, one layer of flame retardant epoxy powder outer layer is also wrapped up outside the encapsulated layer.
Further, the bottom of the high frequency capacitor has mounting portion.
Further, the mounting portion includes centrally located positioning column, is equipped with external screw thread in positioning column side.
Compared with the existing technology, the utility model has the beneficial effects that: the core that the utility model is wound using two overlappings
Sublayer enables capacitor by bigger electric current, meets the use of high frequency ac circuit as electrode using parallel shunt principle
It is required that；Each core layer is made of outer manganin film, interior aluminium foil and a double-sided metalized polypropylene film, High frequency filter effect
Good and high-frequency loss is small；Interval between every two outer manganin film and interior aluminium foil, which is constituted, stays edge, increases the current-carrying of capacitor
Sectional area may be used at capacitor packages under higher voltage or higher impulsive condition using series connection voltage divider principle.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of high frequency capacitor of the utility model；
Fig. 2 is the structural schematic diagram of capacitor body described in the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The present invention will be further described in detail for example.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Embodiment
Fig. 1, Fig. 2 are please referred to, the present embodiment provides a kind of high frequency capacitors, including capacitor body 1, two gilding layers 2, two
Contact conductor 3 and encapsulated layer 4, two gilding layers 2 are sprayed at the both ends of capacitor body 1, one end difference of two contact conductors 3 respectively
Two gilding layers 2 are connected, the other end of two contact conductors 3 is protruding, and encapsulated layer 4 wraps capacitor body 1 and two gilding layers 2
It wraps up in, capacitor body 1 includes the core layer of two overlapping windings, and each core layer includes several outer manganin films 11, interior aluminium foil
12 and a double-sided metalized polypropylene film 13, several outer manganin films 11, interior aluminium foil 12 be respectively separated be distributed in it is two-sided
The two sides of metallized polypropylene film 13, and outer manganin film 11 is corresponded to each other with interior aluminium foil 12, every two outer manganin film 11
Interval between interior aluminium foil 12, which is constituted, stays edge 14.
A kind of high frequency capacitor of the present embodiment utilizes parallel shunt using the core layer of two overlapping windings as electrode
Principle enables capacitor by bigger electric current, meets the requirement of high frequency ac circuit.
Further, each core layer is by outer manganin film 11, interior aluminium foil 12 and a double-sided metalized polypropylene film 13
Composition, High frequency filter effect is good and high-frequency loss is small.
Further, the interval between every two outer manganin films 11 and interior aluminium foil 12, which is constituted, stays edge 14, increases capacitor
The current-carrying cross section product of device can make products application in higher voltage or higher pulse, reduce pole plate using series connection voltage divider principle
The field strength at edge bears resonance high-voltage, guarantees stability.
Further, the encapsulated layer 4 is made of epoxy resin.Insulated enclosure is good.
Further, one layer of flame retardant epoxy powder outer layer 5 is also wrapped up outside the encapsulated layer 4.Has the function of high temperature-proof.
In order to facilitate the installation of and positioning, the bottom of the high frequency capacitor have mounting portion 6；Wherein, the mounting portion 6 wraps
Centrally located positioning column 61 is included, is equipped with external screw thread 62 in 61 side of positioning column.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of high frequency capacitor, it is characterised in that: including capacitor body, two gilding layers, two contact conductors and encapsulated layer, institute
State the both ends that two gilding layers are sprayed at the capacitor body respectively, one end of two contact conductors is separately connected two gilding layers, and two
The other end of contact conductor is protruding, and the encapsulated layer wraps up the capacitor body and two gilding layers, the capacitor
Fuse includes the core layer of two overlappings winding, and each core layer includes several outer manganin films, interior aluminium foil and a double-sided metal
Change polypropylene screen, several outer manganin films, interior aluminium foil are respectively separated and are distributed in the double-sided metalized polypropylene film
Two sides, and the outer manganin film is corresponded to each other with interior aluminium foil, the interval structure between every two outer manganin film and interior aluminium foil
At staying edge.
2. a kind of high frequency capacitor according to claim 1, it is characterised in that: the encapsulated layer is made of epoxy resin.
3. a kind of high frequency capacitor according to claim 1 or 2, it is characterised in that: also wrap up one layer outside the encapsulated layer
Flame retardant epoxy powder outer layer.
4. a kind of high frequency capacitor according to claim 1, it is characterised in that: the bottom of the high frequency capacitor has peace
Dress portion.
5. a kind of high frequency capacitor according to claim 4, it is characterised in that: the mounting portion includes centrally located fixed
Position column is equipped with external screw thread in positioning column side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821375522.XU CN208478154U (en) | 2018-08-24 | 2018-08-24 | A kind of high frequency capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821375522.XU CN208478154U (en) | 2018-08-24 | 2018-08-24 | A kind of high frequency capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208478154U true CN208478154U (en) | 2019-02-05 |
Family
ID=65209467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821375522.XU Expired - Fee Related CN208478154U (en) | 2018-08-24 | 2018-08-24 | A kind of high frequency capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208478154U (en) |
-
2018
- 2018-08-24 CN CN201821375522.XU patent/CN208478154U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190205 Termination date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |