CN206421931U - A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor - Google Patents
A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor Download PDFInfo
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- CN206421931U CN206421931U CN201720144955.3U CN201720144955U CN206421931U CN 206421931 U CN206421931 U CN 206421931U CN 201720144955 U CN201720144955 U CN 201720144955U CN 206421931 U CN206421931 U CN 206421931U
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Abstract
The utility model is related to a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor, constituted including housing, capacitor body, CP lines, capacitor body is to be sequentially overlapped the series connection fuse that winding is formed by the first one-sided metallic film layer, the second two-side metal foil film layer, three layers of the 3rd one-sided metallic film layer；First one-sided metallic film layer includes the first metallized film of evaporation on the outside of the first film dielectric layer and the first film dielectric layer, second two-sided metallization film layer includes the second thin film dielectric layer and upper metal foil, lower metal foil positioned at the second thin film dielectric layer both sides, and the 3rd one-sided metallic film layer includes the 3rd metallized film of evaporation on the outside of the 3rd thin film dielectric layer and the 3rd thin film dielectric layer；CP lines are respectively left CP lines and right CP lines, and left CP lines connect lower metal foil and the first metallized film, and draw outside housing, the right upper metal foil of CP lines connection and the 3rd metallized film, and are drawn outside housing.
Description
Technical field
The utility model is related to capacitor technology field, more particularly to a kind of Large Copacity film paper tinsel Combined type electric electrode capacitance
Device.
Background technology
Thin film capacitor is one kind of capacitor, and with being lost, small, insulaion resistance is high, frequency characteristic is good, reliability is high, temperature
The advantages of characteristic is good is spent, there is relatively broad application；Current thin film capacitor can be divided into type metal foil type from electrode form
With two kinds of formula of metallization：The resistance to heavy current impact of type metal foil type electric capacity, technological process are short, capacity stability is high；Metallization formula electric capacity
Have self-healing property, small volume, with complete electronic set update the cycle continuous shortening, and it is compact and digitlization require
Improve, the main flow as thin film capacitor, but metallization formula electric capacity has the following disadvantages compared with type metal foil type electric capacity：
One is that capacity stability is not so good as foil type capacitor, and this is due to that metallized capacitance easily holds in long-term work condition
Can capacity be caused to reduce after amount loss and self-healing.
Two be poor for tolerance high current ability, and this is due to that layer of metallized film is thinner than metal foil a lot, the big electricity of carrying
Stream ability is weaker.
Disadvantage mentioned above limits generally using for metallization formula electric capacity.
In addition, traditional metallization formula electric capacity evaporated film is very thin, there is evaporated film and thin film dielectrics adhesive force is weak, it is easily de-
The problem of falling.
Utility model content
The purpose of this utility model is：For existing metallization formula capacitance stability it is low, tolerance high current ability
Poor technical problem, proposes a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor.
The technical solution adopted in the utility model is as follows：
A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor, the capacitor includes housing, capacitor body, CP lines and constituted,
The capacitor body is thin by the first one-sided metallic film layer, the second two-side metal foil film layer, the 3rd one-sided metallicization
Three layers of film layer is sequentially overlapped the series connection fuse that winding is formed；
The first one-sided metallic film layer includes evaporation on the outside of the first film dielectric layer and the first film dielectric layer
First metallized film, the second two-sided metallization film layer includes the second thin film dielectric layer and positioned at the second thin film dielectric layer
Upper metal foil, the lower metal foil of both sides, the 3rd one-sided metallic film layer include the 3rd thin film dielectric layer and the 3rd film
3rd metallized film of evaporation on the outside of dielectric layer；
CP lines are respectively left CP lines and right CP lines, and left CP lines connect lower metal foil and the first metallized film, and draw shell
In vitro, the right upper metal foil of CP lines connection and the 3rd metallized film, and draw outside housing.
In such scheme, the first film dielectric layer, the 3rd thin film dielectric layer outer surface are uniformly provided with multiple inverted " t "s
Type groove, in evaporation metal film, the metallic vapour being deposited is introduced into inverted " t " type groove, and with thin film dielectrics layer surface
Metallized film formation integrative-structure, it is ensured that metal level is difficult for drop-off, and adhesive force is strong.
In such scheme, the first film dielectric layer, the second thin film dielectric layer, the 3rd thin film dielectric layer are that polypropylene is thin
Film layer.Polypropylene screen：High-frequency loss is extremely low, and capacitance stability is very high, and negative temperature coefficient is smaller, the high (106M of insulaion resistance
Ω), dielectric strength is high.
In such scheme, the upper metal foil, lower metal foil are aluminium foil or zinc paper tinsel or allumen paper tinsel.The resistance to big electricity of metal foil
Stream impacts, technological process is short, capacity stability is high.
In such scheme, first metallized film, the 3rd metallized film are that aluminum metallization film or zinc metallize
Film or allumen metallized film.Metallized film:There are self-healing property, small volume.
To sum up, by adopting the above-described technical solution, the beneficial effects of the utility model are：
First, metal foil, the combined type of metallized film are used, and metal foil does electrode, and metallized film does internal series-connection, both
There is the large current characteristic of type metal foil type electric capacity, the self-healing feature with metallized capacitance；The cascaded structure formed is wound simultaneously
Connected equivalent to internal multiple electric capacity, the pressure-resistant of capacitor can be significantly improved.
2nd, the setting of multilayer pole plate, substantially increases condenser capacity.
3rd, the left upper metal foil of CP lines connection and the first metallized film, the right lower metal foil of CP lines connection and the 3rd metallization
The parallel-connection structure of film formation, equivalent to internal two electric capacity parallel connections, further increases condenser capacity.
4th, the setting of inverted " t " type groove, greatly improves the adhesive force between thin film dielectric layer and metallized film, should not
Come off.
5th, inside is connected by lead, eliminates numerous and diverse step of metal spraying layer process, and it is caducous to avoid gilding layer
Situation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the inverted " t " type groove of this new embodiment 2；
Marked in figure：1- housings, 2- capacitor bodies, 21- the first one-sided metallic film layers, 211- the first film media
Layer, the metallized films of 212- first, 22- the second two-sided metallization film layers, the thin film dielectric layers of 221- second, the upper metals of 222-
Metal foil under paper tinsel, 223-, the one-sided metallic film layers of 23- the 3rd, the thin film dielectric layers of 231- the 3rd, the metallization of 232- the 3rd is thin
Film, 3-CP lines, the left CP lines of 31-, the right CP lines of 32-.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor, the capacitor includes housing 1, capacitor body 2, the structure of CP lines 3
Into capacitor body 2 is by the first one-sided metallic film layer 21, the second two-side metal foil film layer 22, the 3rd one-sided metallic
Change 23 3 layers of film layer and be sequentially overlapped the series connection fuse that winding is formed；
First one-sided metallic film layer 21 includes the first film dielectric layer 211 and the outside of the first film dielectric layer 211 is steamed
First metallized film 212 of plating, the second two-sided metallization film layer 22 includes the second thin film dielectric layer 221 and thin positioned at second
Upper metal foil 222, the lower metal foil 223 of 221 both sides of film medium layer, the 3rd one-sided metallic film layer 23 are situated between including the 3rd film
3rd metallized film 232 of matter layer 231 and the outside of the 3rd thin film dielectric layer 231 evaporation；
CP lines 3 are respectively left CP lines 31 and right CP lines 32, the left lower metallized film of metal foil 223 and first of the connection of CP lines 31
212, and draw outside housing 1, the right upper metallized film 232 of metal foil 222 and the 3rd of the connection of CP lines 32, and draw outside housing 1.
Preferably, the first film dielectric layer 211, the outer surface of the 3rd thin film dielectric layer 231 are uniformly provided with multiple inverted " t " types
Groove.
Preferably, the first film dielectric layer 211, the second thin film dielectric layer 221, the 3rd thin film dielectric layer 231 are polypropylene
Film layer.
Preferably, upper metal foil 222, lower metal foil 223 are aluminium foil or zinc paper tinsel or allumen paper tinsel.
Preferably, the first metallized film 212, the 3rd metallized film 232 are that aluminum metallization film or zinc metallization are thin
Film or allumen metallized film.
Embodiment 1
As shown in figure 1, a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor, the capacitor includes housing 1, capacitor body
2nd, CP lines 3 are constituted, and capacitor body 2 is by the first one-sided metallic film layer 21, the second two-side metal foil film layer 22, the
Three 23 3 layers of one-sided metallic film layers are sequentially overlapped the series connection fuse that winding is formed；First one-sided metallic film layer 21 includes
First metallized film 212 of the first film dielectric layer 211 and the outside of the first film dielectric layer 211 evaporation, the second double-sided metal
Changing film layer 22 includes the second thin film dielectric layer 221 and upper metal foil 222 positioned at the both sides of the second thin film dielectric layer 221, lower gold
Belong to paper tinsel 223, the 3rd one-sided metallic film layer 23 includes the 3rd thin film dielectric layer 231 and the outside of the 3rd thin film dielectric layer 231 is steamed
3rd metallized film 232 of plating；CP lines 3 are respectively left CP lines 31 and right CP lines 32, the left lower He of metal foil 223 of the connection of CP lines 31
First metallized film 212, and draw outside housing 1, the right upper metallized film 232 of metal foil 222 and the 3rd of the connection of CP lines 32, and
Draw outside housing 1.
Metal foil, the combined type of metallized film are used, and metal foil does electrode, and metallized film does internal series-connection, existing
The large current characteristic of type metal foil type electric capacity, the self-healing feature with metallized capacitance；The cascaded structure phase formed is wound simultaneously
Connected when in internal multiple electric capacity, the pressure-resistant of capacitor can be significantly improved；
The setting of four layers of pole plate, increases the effective area of capacitor, greatly improves condenser capacity；
The left upper metal foil of CP lines connection and the first metallized film, the right lower metal foil of CP lines connection and the 3rd metallized film
The parallel-connection structure of formation, equivalent to internal two electric capacity parallel connections：Upper metal foil and the first metallized film first electric capacity of formation,
Lower metal foil and the 3rd metallized film second electric capacity of formation, further increase condenser capacity；
Inside is connected by lead, eliminates numerous and diverse step of metal spraying layer process, and avoid the caducous feelings of gilding layer
Condition.
Embodiment 2
As shown in figure 1, a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor, the capacitor includes housing 1, capacitor body
2nd, CP lines 3 are constituted, and capacitor body 2 is by the first one-sided metallic film layer 21, the second two-side metal foil film layer 22, the
Three 23 3 layers of one-sided metallic film layers are sequentially overlapped the series connection fuse that winding is formed；First one-sided metallic film layer 21 includes
First metallized film 212 of the first film dielectric layer 211 and the outside of the first film dielectric layer 211 evaporation, the second double-sided metal
Changing film layer 22 includes the second thin film dielectric layer 221 and upper metal foil 222 positioned at the both sides of the second thin film dielectric layer 221, lower gold
Belong to paper tinsel 223, the 3rd one-sided metallic film layer 23 includes the 3rd thin film dielectric layer 231 and the outside of the 3rd thin film dielectric layer 231 is steamed
3rd metallized film 232 of plating；CP lines 3 are respectively left CP lines 31 and right CP lines 32, the left lower He of metal foil 223 of the connection of CP lines 31
First metallized film 212, and draw outside housing 1, the right upper metallized film 232 of metal foil 222 and the 3rd of the connection of CP lines 32, and
Draw outside housing 1；The first film dielectric layer 211, the outer surface of the 3rd thin film dielectric layer 231 are uniformly provided with multiple inverted " t " type grooves,
The setting of inverted " t " type groove, greatly improves the adhesive force between thin film dielectric layer and metallized film, should not come off.
Embodiment 3
On the basis of embodiment 1, the first film dielectric layer 211, the second thin film dielectric layer 221, the 3rd thin film dielectric layer
231 select polypropylene film.
Embodiment 4
On the basis of embodiment 1, upper metal foil 222, lower metal foil 223 are that aluminium foil or zinc paper tinsel or allumen paper tinsel are any
It is a kind of.
Embodiment 5
On the basis of embodiment 1, the first metallized film 212, the 3rd metallized film 232 be aluminum metallization film or
Zinc metallized film or allumen metallized film.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor, the capacitor includes housing (1), capacitor body (2), CP lines
(3) constitute, it is characterised in that the capacitor body (2) is by the first one-sided metallic film layer (21), the second double-sided metal
Paper tinsel film layer (22), (23) three layers of the 3rd one-sided metallic film layer are sequentially overlapped the series connection fuse that winding is formed；
The first one-sided metallic film layer (21) includes the first film dielectric layer (211) and the first film dielectric layer (211)
The first metallized film (212) of outside evaporation, the second two-sided metallization film layer (22) includes the second thin film dielectric layer
(221) and the upper metal foil (222) positioned at the second thin film dielectric layer (221) both sides, lower metal foil (223), the 3rd one side
Metallized film layers (23) include the 3rd gold medal of evaporation on the outside of the 3rd thin film dielectric layer (231) and the 3rd thin film dielectric layer (231)
Categoryization film (232)；
CP lines (3) are respectively left CP lines (31) and right CP lines (32), metal foil (223) and the first metal under left CP lines (31) connection
Change film (212), and draw housing (1) outside, metal foil (222) and the 3rd metallized film (232) in right CP lines (32) connection,
And draw housing (1) outside.
2. a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor as claimed in claim 1, it is characterised in that the first film
Dielectric layer (211), the 3rd thin film dielectric layer (231) outer surface are uniformly provided with multiple inverted " t " type grooves.
3. a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor as claimed in claim 1, it is characterised in that the first film
Dielectric layer (211), the second thin film dielectric layer (221), the 3rd thin film dielectric layer (231) are layer of polypropylene foil.
4. a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor as claimed in claim 1, it is characterised in that the upper metal foil
(222), lower metal foil (223) is aluminium foil or zinc paper tinsel or allumen paper tinsel.
5. a kind of Large Copacity film paper tinsel Combined type electric electrode capacitor as claimed in claim 1, it is characterised in that first metal
It is that aluminum metallization film or zinc metallized film or allumen metallization are thin to change film (212), the 3rd metallized film (232)
Film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144955.3U CN206421931U (en) | 2017-02-17 | 2017-02-17 | A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144955.3U CN206421931U (en) | 2017-02-17 | 2017-02-17 | A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421931U true CN206421931U (en) | 2017-08-18 |
Family
ID=59570201
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720144955.3U Expired - Fee Related CN206421931U (en) | 2017-02-17 | 2017-02-17 | A kind of Large Copacity film paper tinsel Combined type electric electrode capacitor |
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| Country | Link |
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| CN (1) | CN206421931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681874A (en) * | 2020-05-07 | 2020-09-18 | 中国电力科学研究院有限公司 | Self-healing capacitor element and capacitor unit comprising same |
-
2017
- 2017-02-17 CN CN201720144955.3U patent/CN206421931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681874A (en) * | 2020-05-07 | 2020-09-18 | 中国电力科学研究院有限公司 | Self-healing capacitor element and capacitor unit comprising same |
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| 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: 20170818 Termination date: 20200217 |