CN207397953U - A kind of inner series metallized film box type capacitor - Google Patents
A kind of inner series metallized film box type capacitor Download PDFInfo
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- CN207397953U CN207397953U CN201721356861.9U CN201721356861U CN207397953U CN 207397953 U CN207397953 U CN 207397953U CN 201721356861 U CN201721356861 U CN 201721356861U CN 207397953 U CN207397953 U CN 207397953U
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Abstract
The utility model is related to capacitor technology fields,More particularly to a kind of inner series metallized film box type capacitor,Including shell,Capacitor body and lead,Capacitor body is stacked winding by metallized film and is formed,Capacitor body is positioned in shell,Lead is connected with capacitor body,Epoxy resin is filled in shell,Metallized film includes the first film layer and the second film layer,The surface of the first film layer is provided with first coat of metal,The surface of second film layer is provided with second coat of metal and the 3rd coat of metal,Insulating tape is offered between second coat of metal and the 3rd coat of metal,The two sides of second coat of metal are respectively the first straight flange and the first rippled edge,The two sides of 3rd coat of metal are respectively the second straight flange and the second rippled edge,The two sides of second film layer are film rippled edge,First rippled edge and the second rippled edge are folded respectively with film wave boundary layer to be bonded.Strong with anti-overvoltage capacity, shunting effect is good, safe and reliable.
Description
Technical field
The utility model is related to capacitor technology field more particularly to a kind of inner series metallized film box type capacitors.
Background technology
With the development of technical merit, multiple industries update cycles such as electronics, household electrical appliances, communication are shorter and shorter, and golden
Categoryization film box type capacitor is widely used in various electronic apparatus productions by its good electric property and functional reliability
The bypasses of product, blocking, filtering, coupling, resonance, resistance-capacitance depressurization etc., become that above-mentioned industry is promoted to update is indispensable
Electronic component.Existing metallized film box type capacitor there are it is complicated, the big voltage capability of carrying is poor, shunting function is poor
The shortcomings of, easily cause danger of hazardous electrical discharges, cause using unstable, to bring hidden danger safe to use.
The content of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, provide a kind of inner series metallized film boxlike electricity
Container is strong with anti-overvoltage capacity, and shunting effect is good, safe and reliable.
To achieve the above object, a kind of inner series metallized film box type capacitor of the utility model, including shell, electricity
Container fuse and lead, the capacitor body are stacked winding by metallized film and are formed, and the capacitor body is positioned over outer
In shell, the lead is connected with capacitor body, includes first filled with epoxy resin, the metallized film in the shell
Film layer and the second film layer, the surface of the first film layer are provided with first coat of metal, the table of second film layer
Face is provided with second coat of metal and the 3rd coat of metal, is offered between second coat of metal and the 3rd coat of metal absolutely
Marginal zone, the two sides of second coat of metal are respectively the first straight flange and the first rippled edge, and the two of the 3rd coat of metal
Side is respectively the second straight flange and the second rippled edge, and the two sides of second film layer are film rippled edge, and described first
Rippled edge and the second rippled edge are folded respectively with film wave boundary layer to be bonded.
Preferably, first coat of metal is arranged at the middle part of the first film layer, first coat of metal and first
The two sides of film layer are straight flange.
Preferably, the both sides of the capacitor body are connected with conductive layer, and the conductive layer is provided with and capacitor body
The buckling parts that fits closely of side.
Preferably, there are two the lead is set, the lead is connected with conductive layer.
Preferably, the shell is PBT plastic shell.
The beneficial effects of the utility model：A kind of inner series metallized film box type capacitor of the utility model, including
Shell, capacitor body and lead, the capacitor body are stacked winding by metallized film and are formed, and the capacitor body is put
It is placed in shell, the lead is connected with capacitor body, filled with epoxy resin, the metallized film bag in the shell
The first film layer and the second film layer are included, the surface of the first film layer is provided with first coat of metal, second film
The surface of layer is provided with second coat of metal and the 3rd coat of metal, is opened between second coat of metal and the 3rd coat of metal
Equipped with insulating tape, the two sides of second coat of metal are respectively the first straight flange and the first rippled edge, the 3rd metal-plated
The two sides of layer are respectively the second straight flange and the second rippled edge, and the two sides of second film layer are film rippled edge, institute
It states the first rippled edge and the second rippled edge and is folded respectively with film wave boundary layer and is bonded.
The utility model is MPP92-BOX models, is mainly used in the resonance circuits such as LCC, LLC, and metallized film uses
The coat of metal of extra small sheet resistance, the coat of metal are metal aluminium material, can effectively reduce high-frequency loss and internal loss fever, hold
By circuit when powering on generated momentary surges voltage current impact.The both sides of capacitor body are connected with lead,
Second coat of metal and the 3rd coat of metal are separated into two electrodes by insulating tape, second coat of metal and first coat of metal it
Between formed between the capacitance, the 3rd coat of metal and first coat of metal that are formed capacitance, be serially connected between lead three, have
Have that anti-overvoltage capacity is strong, shunting effect is good, safe and reliable, and can not only effectively substitute traditional two capacitances series connection makes
Situation is conducive to flow line production, and simple in structure, reduces manufacture cost, energy-efficient.First straight flange and second is directly
While be oppositely arranged, the Chong Die fitting of film rippled edge and the first rippled edge, the second rippled edge, the first film layer and the second film are stacked
Conjunction is wound into capacitor body, and the both sides of capacitor body form uneven wavy edge, not only improve the coat of metal
Coated area coated on film layer, but also increase the contact area of metal spraying material and metallized film, electric performance stablity peace
Entirely, resistance to heavy current impact ensures that inner series metallized film box type capacitor is able to Efficient Operation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the decomposition texture schematic diagram of the utility model.
Fig. 3 is the structure diagram of the utility model capacitor body.
Fig. 4 is the structure diagram of the utility model metallized film.
Fig. 5 is the decomposition texture schematic diagram of the utility model metallized film.
Fig. 6 is the convex bit architecture schematic diagram of the utility model shell.
Reference numeral includes：
1 --- shell 2 --- capacitor body 3 --- lead
4 --- metallized film 41 --- the first film layer 411 --- first coats of metal
42 --- the second film layer 421 --- second coat of metal 4211 --- first straight flanges
4212 --- the first rippled edge 422 --- the 3rd coat of metal 4221 --- second straight flanges
4222 --- the second rippled edge 423 --- insulating tape 424 --- film rippled edges
5 --- epoxy resin 6 --- conductive layer 61 --- buckling parts.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing.
As shown in Figures 1 to 5, a kind of inner series metallized film box type capacitor of the utility model, including shell 1,
Capacitor body 2 and lead 3, the capacitor body 2 are stacked winding by metallized film 4 and are formed, and the capacitor body 2 is put
It is placed in shell 1, the lead 3 is connected with capacitor body 2, filled with epoxy resin 5, the metallization in the shell 1
Film 4 includes 41 and second film layer 42 of the first film layer, and the surface of the first film layer 41 is provided with first coat of metal
411, the surface of second film layer 42 is provided with second coat of metal 421 and the 3rd coat of metal 422, second metal
Insulating tape 423 is offered between 421 and the 3rd coat of metal 422 of coating, the two sides of second coat of metal 421 are respectively
First straight flange 4211 and the first rippled edge 4212, the two sides of the 3rd coat of metal 422 are respectively 4221 He of the second straight flange
Second rippled edge 4222, the two sides of second film layer 42 are film rippled edge 424,4212 He of the first rippled edge
Second rippled edge 4222 is bonded respectively with the stacking of film rippled edge 424.
The utility model is MPP92-BOX models, is mainly used in the resonance circuits such as LCC, LLC, metallized film 4 uses
The coat of metal of extra small sheet resistance, the coat of metal are metal aluminium material, can effectively reduce high-frequency loss and internal loss fever, hold
By circuit when powering on generated momentary surges voltage current impact.The both sides of capacitor body 2 connect with lead 3
It connects, second coat of metal 421 and the 3rd coat of metal 422 are separated into two electrodes, second coat of metal 421 by insulating tape 423
The electricity formed between the capacitance, the 3rd coat of metal 422 and first coat of metal 411 that are formed between first coat of metal 411
Hold, be serially connected between 3 three of lead, strong with anti-overvoltage capacity, shunting effect is good, safe and reliable, can not only
The situation that two traditional capacitances are used in series effectively is substituted, is conducive to flow line production, and it is simple in structure, and reduction is manufactured into
This, it is energy-efficient.First straight flange 4211 is oppositely arranged with the second straight flange 4221,424 and first rippled edge 4212 of film rippled edge,
The overlapping fitting of second rippled edge 4222,41 and second film layer 42 of the first film layer overlapping are wound into capacitor body 2, capacitor
The both sides of fuse 2 form uneven wavy edge, not only improve the coated area that the coat of metal is coated on film layer, and
And also increasing the contact area of metal spraying material and metallized film 4, electric performance stablity safety, resistance to heavy current impact ensures interior string
Formula metallized film box type capacitor is able to Efficient Operation.
As shown in Fig. 3, Fig. 4 and Fig. 5, first coat of metal 411 of the present embodiment is arranged at the middle part of the first film layer 41,
The two sides of first coat of metal 411 and the first film layer 41 are straight flange.Specifically, first coat of metal 411 is placed in the middle
Coated on the first film layer 41, increase coated area is special to improve the higher frequency of inner series metallized film box type capacitor
Property, high-frequency loss is small, is particularly suitable for high current, high-frequency occasion.
As shown in Fig. 2, the both sides of the capacitor body 2 of the present embodiment are connected with conductive layer 6, the conductive layer 6 is provided with
The buckling parts 61 fitted closely with the side of capacitor body 2.Specifically, buckling parts 61 be wavy shaped configuration, wavy shaped configuration
The wavy shape configurations of buckling parts 61 and 2 both sides of capacitor body contact with each other fastening, and then conductive layer 6 is made to pass through buckling parts 61
It is closely connected with capacitor body 2, makes capacitor body 2 that there is good conductivity, and then make inner series metallized film box
The formula capacitor internal proportion of goods damageds are low, and caloric value is small, improve work efficiency.
As depicted in figs. 1 and 2, there are two the lead 3 of the present embodiment is set, the lead 3 is connected with conductive layer 6.Specifically
Ground, lead 3 are electrically connected with conductive layer 6, and connection is reliable, are conducive to transfer electric energy.
As shown in Figure 1, Figure 2 with shown in Fig. 6, the shell 1 of the present embodiment is PBT plastic shell.Specifically, the appearance face of shell 1
Color is red, is respectively designed with recess and two kinds of convex position different structure at the port of shell 1, contributes to ventilation and heat, PBT plastic
Shell is equipped with high flame retardant layer and sealing thermal insulation layer, and generated noise is small, can effectively avoid bright caused by a variety of causes
Fiery combustion phenomena effectively reduces contingency occurrence probability, improves safe handling property.
In summary understand the utility model have above-described good characteristic, be able to make it on using, promote with
The efficiency that does not have into technology and with practicability, become a kind of product of great practical value.More than 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 (5)
1. a kind of inner series metallized film box type capacitor, including shell, capacitor body and lead, the capacitor body
Winding being stacked by metallized film to be formed, the capacitor body is positioned in shell, and the lead is connected with capacitor body,
Epoxy resin is filled in the shell, it is characterised in that：The metallized film includes the first film layer and the second film layer,
The surface of the first film layer is provided with first coat of metal, and the surface of second film layer is provided with second coat of metal
With the 3rd coat of metal, insulating tape, second metal-plated are offered between second coat of metal and the 3rd coat of metal
The two sides of layer are respectively the first straight flange and the first rippled edge, the two sides of the 3rd coat of metal be respectively the second straight flange and
Second rippled edge, the two sides of second film layer are film rippled edge, first rippled edge and the second rippled edge point
It does not fold and is bonded with film wave boundary layer.
2. a kind of inner series metallized film box type capacitor according to claim 1, it is characterised in that：First gold medal
Belong to coating and be arranged at the middle part of the first film layer, the two sides of first coat of metal and the first film layer are straight flange.
3. a kind of inner series metallized film box type capacitor according to claim 1, it is characterised in that：The capacitor
The both sides of fuse are connected with conductive layer, and the conductive layer is provided with the buckling parts fitted closely with the side of capacitor body.
4. a kind of inner series metallized film box type capacitor according to claim 3, it is characterised in that：The lead is set
There are two putting, the lead is connected with conductive layer.
5. a kind of inner series metallized film box type capacitor according to claim 1, it is characterised in that：The shell is
PBT plastic shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721356861.9U CN207397953U (en) | 2017-10-20 | 2017-10-20 | A kind of inner series metallized film box type capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721356861.9U CN207397953U (en) | 2017-10-20 | 2017-10-20 | A kind of inner series metallized film box type capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207397953U true CN207397953U (en) | 2018-05-22 |
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ID=62329356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721356861.9U Active CN207397953U (en) | 2017-10-20 | 2017-10-20 | A kind of inner series metallized film box type capacitor |
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| Country | Link |
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| CN (1) | CN207397953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878146A (en) * | 2018-07-03 | 2018-11-23 | 广东捷威电子有限公司 | A kind of metallized film box type capacitor of anti-interference, low ESR |
| US20210383974A1 (en) * | 2018-10-03 | 2021-12-09 | Vishay Electronic Gmbh | Film capacitor with coated acrylic dielectric layer inside |
-
2017
- 2017-10-20 CN CN201721356861.9U patent/CN207397953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878146A (en) * | 2018-07-03 | 2018-11-23 | 广东捷威电子有限公司 | A kind of metallized film box type capacitor of anti-interference, low ESR |
| US20210383974A1 (en) * | 2018-10-03 | 2021-12-09 | Vishay Electronic Gmbh | Film capacitor with coated acrylic dielectric layer inside |
| US11791100B2 (en) * | 2018-10-03 | 2023-10-17 | Vishay Electronic Gmbh | Film capacitor with coated dielectric layer |
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