CN207338136U - A kind of thin film capacitor of improvement - Google Patents
A kind of thin film capacitor of improvement Download PDFInfo
- Publication number
- CN207338136U CN207338136U CN201721357454.XU CN201721357454U CN207338136U CN 207338136 U CN207338136 U CN 207338136U CN 201721357454 U CN201721357454 U CN 201721357454U CN 207338136 U CN207338136 U CN 207338136U
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- housing
- thin film
- capacitor
- film capacitor
- capacitor body
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Abstract
It the utility model is related to capacitor technology field, a kind of more particularly to thin film capacitor of improvement, including housing, capacitor body is plugged with the housing, the inner wall of the housing is both provided with the positioning strip for fixed capacity device fuse position, gap is left between the capacitor body and inner walls, the enclosure interior is filled with epoxy resin, and the epoxy resin is wrapped in capacitor body by the gap.The utility model makes capacitor body firmly be positioned at the middle part of shell, improves water resistance and penetration-resistant energy, extends the service life of thin film capacitor.
Description
Technical field
It the utility model is related to capacitor technology field, more particularly to a kind of thin film capacitor of improvement.
Background technology
With the development of technical merit, multiple industries update cycles such as electronics, household electrical appliances, communication are shorter and shorter, and thin
Membrane capacitance be widely used in by its good electric property and functional reliability various electric equipment products bypass, every
Directly, filtering, coupling, resonance, resistance-capacitance depressurization etc., become the electronic component for promoting above-mentioned industry update indispensable.
Thin film capacitor generally comprises shell, capacitor body and two leads, capacitor body and is assembled in shell, and one end of lead connects
The electrode of capacitor body is connect, the other end extends outside shell, and then use pours into epoxy resin and is packaged.In the mistake of encapsulation
Cheng Zhong, first pours into a small amount of epoxy resin to thin film capacitor inside and fixes thin-film capacitor core, then gradually pour into ring again
Oxygen tree fat, until encapsulation finishes.Due to that, without location structure, so can seal capacitor body inside most of thin film capacitors
It is bonded during dress with outer casing inner wall, causes the epoxy resin after encapsulation fully to wrap up capacitor body, so that entirely
The water resistance of capacitor and anti-puncture hydraulic performance decline, reduce the service life of capacitor.
The content of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, there is provided a kind of thin film capacitor of improvement, makes electricity
Container fuse is firmly positioned at the middle part of shell, improves water resistance and penetration-resistant energy, extends the use of thin film capacitor
Service life.
To achieve the above object, the thin film capacitor of a kind of improvement of the utility model, including housing, the housing interpolation
Capacitor body is equipped with, the inner wall of the housing is both provided with the positioning strip for fixed capacity device fuse position, the capacitance
Gap is left between device fuse and inner walls, the enclosure interior is filled with epoxy resin, and the epoxy resin passes through described
Gap is wrapped in capacitor body.
Preferably, the bottom of the housing is provided with support bar, and the outer surface of the positioning strip and support bar is both provided with
Heat conductive pad, the heat conductive pad are connected to capacitor body.
Preferably, the positioning strip is provided with several and axially spaced distribution.
Preferably, one end of the positioning strip is provided with the guide part for guiding capacitor body to enter housing.
Preferably, the housing is square structure.
Preferably, the housing is made of synthetic resin material.
The beneficial effects of the utility model：A kind of thin film capacitor of improvement of the utility model, including housing, the shell
Capacitor body is plugged with vivo, the inner wall of the housing is both provided with the positioning strip for fixed capacity device fuse position, institute
State and gap is left between capacitor body and inner walls, the enclosure interior is filled with epoxy resin, and the epoxy resin leads to
Cross the gap and be wrapped in capacitor body.The utility model includes numerous models such as GWC, HH, is closely pasted using positioning strip
Together in capacitor body, capacitor body is centered about in housing, while can also be spaced apart capacitor body and housing
The distance between, be conducive in the encapsulation process of thin film capacitor, pour into epoxy resin and be sufficient filling with whole housing, asphalt mixtures modified by epoxy resin
The comprehensive parcel capacitor body of fat, the water resistance and penetration-resistant energy of significant increase thin film capacitor, makes thin film capacitor
By the experiment of high temperature and humidity test, glow wire test and other different physical characteristics, the product matter of thin film capacitor is improved
Amount, extends the service life of thin film capacitor.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the line A-A along Fig. 1 and pours into the cutting structure diagram after epoxy resin.
Fig. 3 is the overlooking the structure diagram of the utility model.
Fig. 4 is the convex bit architecture schematic diagram of the utility model housing.
Reference numeral includes：
1 --- housing 2 --- capacitor body 3 --- positioning strip
4 --- gap 5 --- epoxy resin 6 --- support bars
7 --- heat conductive pad 8 --- guide parts.
Embodiment
The utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1 to Figure 3, the thin film capacitor of a kind of improvement of the utility model, including housing 1, in the housing 1
Capacitor body 2 is plugged with, the inner wall of the housing 1 is both provided with the positioning strip 3 for 2 position of fixed capacity device fuse, institute
State and leave gap 4 between 1 inner wall of capacitor body 2 and housing, epoxy resin 5, the asphalt mixtures modified by epoxy resin are filled with inside the housing 1
Fat 5 is wrapped in capacitor body 2 by the gap 4.
The utility model includes numerous models such as GWC, HH, is fitted closely in capacitor body 2, made using positioning strip 3
Capacitor body 2 is centered about in housing 1, while can also be spaced apart the distance between capacitor body 2 and housing 1, is had
Whole housing 1,5 comprehensive bag of epoxy resin are sufficient filling with beneficial to epoxy resin 5 in the encapsulation process of thin film capacitor, is poured into
Capacitor body 2 is wrapped up in, the water resistance and penetration-resistant energy of significant increase thin film capacitor, make thin film capacitor pass through high temperature height
The experiment of wet test, glow wire test and other different physical characteristics, improves the product quality of thin film capacitor, extends film
The service life of capacitor.
As shown in Fig. 2, the bottom of the housing 1 of the present embodiment is provided with support bar 6, the positioning strip 3 and support bar 6 it is outer
Surface is both provided with heat conductive pad 7, and the heat conductive pad 7 is connected to capacitor body 2.Specifically, preferably, positioning strip 3 is along shell
The inner wall of body 1 is provided with eight, and two support bars 6 are arranged in parallel in the bottom of housing 1.Support bar 6 makes capacitor body 2 placed in the middle
Housing 1 is positioned at, plays supporting gravity, since the outer surface of positioning strip 3 and support bar 6 is both provided with heat conductive pad 7, heat conduction
Pad 7 has good heat dissipation performance, and effectively caused heat in housing 1 can be transmitted to outside housing 1, reduces thin-film capacitor
The operating temperature of device, extends the service life of thin film capacitor.
As shown in figures 1 and 3, the positioning strip 3 of the present embodiment is provided with several and axially spaced distribution.Specifically,
Each wall axially spaced distribution of the positioning strip 3 in housing 1, stable structure, additionally it is possible to it is more firm, more fully positioning electricity
Container fuse 2.
As depicted in figs. 1 and 2, one end of the positioning strip 3 of the present embodiment is provided with for guiding capacitor body 2 to enter shell
The guide part 8 of body 1.Specifically, guide part 8 is smooth curve, be conducive to guide capacitor body 2 smoothly enter housing 1 and
The outer surface of damage capacitor body 2 will not be scratched, and then improves the efficiency that capacitor body 2 is assembled into housing 1.
As shown in Figure 1 and Figure 4, the housing 1 of the present embodiment is square structure.Specifically, the appearance color of housing 1 is red
Color, is respectively designed with recess and two kinds of convex position different structure at the port of housing 1, contributes to ventilation and heat, the shell of square structure
Body 1 not only contributes to capacitor body 2 and places stabilization, and practicality is good, and has good structural strength and sealing performance.
Shown as shown in Figure 1, Figure 3 and Figure 4, the housing 1 of the present embodiment is made of synthetic resin material.Specifically, synthetic resin
Housing 1 made of material have good crush resistance can with water proof fire retardant performance, securely and reliably, it is ensured that when thin film capacitor is long
Between normal work.
Understand that the utility model has above-described good characteristic in summary, be able to make it upper in use, promote with
The efficiency that does not have into technology and there is practicality, become a kind of product of great practical value.Above content is only this reality
With new preferred embodiment, for those of ordinary skill in the art, according to the thought of the utility model, in specific embodiment party
There will be changes in formula and application range, this specification content should not be construed as the limitation to the utility model.
Claims (6)
1. a kind of thin film capacitor of improvement, including housing, capacitor body is plugged with the housing, it is characterised in that：Institute
The inner wall for stating housing is both provided with positioning strip for fixed capacity device fuse position, the capacitor body and inner walls it
Between leave gap, the enclosure interior is filled with epoxy resin, and the epoxy resin is wrapped in capacitor core by the gap
Son.
A kind of 2. thin film capacitor of improvement according to claim 1, it is characterised in that：The bottom of the housing is provided with
Support bar, the outer surface of the positioning strip and support bar are both provided with heat conductive pad, and the heat conductive pad is connected to capacitor body.
A kind of 3. thin film capacitor of improvement according to claim 2, it is characterised in that：The positioning strip is provided with some
A and axially spaced distribution.
A kind of 4. thin film capacitor of improvement according to claim 1, it is characterised in that：One end of the positioning strip is set
It is useful for the guide part that guiding capacitor body enters housing.
A kind of 5. thin film capacitor of improvement according to claim 1, it is characterised in that：The housing is square structure.
A kind of 6. thin film capacitor of improvement according to claim 1, it is characterised in that：The housing is by synthetic resin material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357454.XU CN207338136U (en) | 2017-10-20 | 2017-10-20 | A kind of thin film capacitor of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357454.XU CN207338136U (en) | 2017-10-20 | 2017-10-20 | A kind of thin film capacitor of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338136U true CN207338136U (en) | 2018-05-08 |
Family
ID=62365287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357454.XU Active CN207338136U (en) | 2017-10-20 | 2017-10-20 | A kind of thin film capacitor of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557037A (en) * | 2018-01-25 | 2020-08-18 | 株式会社村田制作所 | Film capacitor and outer case for film capacitor |
-
2017
- 2017-10-20 CN CN201721357454.XU patent/CN207338136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557037A (en) * | 2018-01-25 | 2020-08-18 | 株式会社村田制作所 | Film capacitor and outer case for film capacitor |
| US11437190B2 (en) | 2018-01-25 | 2022-09-06 | Murata Manufacturing Co., Ltd. | Film capacitor, and exterior case for film capacitor |
| US11791099B2 (en) | 2018-01-25 | 2023-10-17 | Murata Manufacturing Co., Ltd. | Film capacitor, and outer case for film capacitor |
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