CN109903993A - The integrated end cap of polypropylene film capacitor - Google Patents
The integrated end cap of polypropylene film capacitor Download PDFInfo
- Publication number
- CN109903993A CN109903993A CN201910326696.XA CN201910326696A CN109903993A CN 109903993 A CN109903993 A CN 109903993A CN 201910326696 A CN201910326696 A CN 201910326696A CN 109903993 A CN109903993 A CN 109903993A
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- China
- Prior art keywords
- copper foil
- out wire
- foil lead
- end cap
- lead
- 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.)
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- 239000003990 capacitor Substances 0.000 title claims abstract description 69
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 42
- -1 polypropylene Polymers 0.000 title claims abstract description 42
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000011889 copper foil Substances 0.000 claims abstract description 73
- 238000004080 punching Methods 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000001737 promoting effect Effects 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 31
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to a kind of integrated end caps of polypropylene film capacitor, it includes copper foil lead-out wire, explosion-proof block, cover board, insulating bowl and exit, the exit installs corresponding punching hole on the cover board after being mounted on the centre bore of insulating bowl by rivet again, copper foil lead-out wire corresponds to bayonet by insertion explosion-proof block and fixes, pass through punch rivet fixed terminal, insulating bowl, cover board, explosion-proof block, copper foil lead-out wire, it is set to be connected as one i.e. capacitor end cap, the copper foil lead-out wire insulation package copper foil lead-out wire is as insulating protection, the end cap is welded on capacity cell end face by copper foil lead-out wire, using copper foil lead-out wire as medium end cap is connected with capacity cell.The present invention can be reduced capacitor and the bad phenomenons such as thermal breakdown occurs, be conducive to the reliability for promoting the Long Service Life of polypropylene film capacitor；And heat dissipation performance is more preferable, heat resistance is also more excellent.
Description
Technical field
The present invention relates to a kind of integrated end caps of polypropylene film capacitor, are especially applied to polypropylene film capacitor
The insulation system of device belongs to capacitor element technical field.
Background technique
Polypropylene film capacitor has self-healing feature, nonpolarity, low loss-value, high stability, high reliability, safety
High it can be widely used in a little the household appliance technical fields such as washing machine, air-conditioning, water pump.
With the development of economy, the market demand of polypropylene film capacitor is growing day by day in recent years, however by original
The restriction of material, capacitance structure and equipment causes its yield and performance that can not be substantially improved.In other words, poly- third at present
Alkene thin film capacitor has been unable to satisfy demand of those fields to its yield and performance.Therefore, the production of polypropylene film capacitor
The promotion of amount and performance is imperative.
Lead is one of the important substrate that polypropylene film capacitor is manufactured, and structure and performance are utmostly
The upper yield and performance for influencing capacitor.Therefore, the structure and performance for promoting lead are to solve the problems, such as this main path
One of.Lead of traditional polypropylene film capacitor using cylindrical tinned copper wire as capacitor, the lead is in crowd
There is application in conglomerate field, is market ripe, therefore its buying is convenient, yield is sufficient.However the performance of the lead is prominent
It is broken to have faced bottleneck period in recent years, it has been unable to satisfy requirement of the household appliance technical field to capacitor performance.At the same time, by market
It influences, cost of labor and the cost of raw material increase substantially, these also bring huge financial burden to enterprise.In addition, by
The limitation of the tinned copper wire shape and material, welding have the not viscous tin of tinned copper wire often and lead to difficult welding, lead rosin joint, interior
Phenomena such as lead is broken in capacitor use process, this also gives the reliable of polypropylene film capacitor Long Service Life
Property brings great hidden danger.Be subject to the above restrictions, cylinder tinned copper wire used by conventional polypropylene thin film capacitor compared with
Difficulty meets the needs of household appliance technical fields such as washing machine, air-conditioning, water pump are to polypropylene film capacitor yield and performance.Therefore,
The technology sexual revolution of polypropylene film capacitor lead is imperative.
Summary of the invention
It is an object of the present invention to overcome the above deficiencies, provides a kind of integrated end of polypropylene film capacitor
Lid, can be reduced capacitor and the bad phenomenons such as thermal breakdown occurs, be conducive to the Long Service Life for promoting polypropylene film capacitor
Reliability；And heat dissipation performance is more preferable, heat resistance is also more excellent.
According to technical solution provided by the invention, the integrated end cap of the polypropylene film capacitor,
Including copper foil lead-out wire, the insulation of copper foil lead-out wire, rivet, explosion-proof block, cover board, insulating bowl and exit, the exit
It is integrally formed to pass through punching press respectively with rivet, the bottom of exit is arranged in the rivet, and exit is mounted on absolutely by rivet
Corresponding punching hole on the cover board is installed again, copper foil lead-out wire corresponds to bayonet by insertion explosion-proof block and consolidates after the centre bore of edge bowl
It is fixed, by punch rivet fixed terminal, insulating bowl, cover board, explosion-proof block, copper foil lead-out wire, it is made to be connected as one i.e. capacitor
End cap, for the copper foil lead-out wire insulation package copper foil lead-out wire as insulating protection, the end cap draws wire bonding by copper foil
In capacity cell end face, using copper foil lead-out wire as medium end cap is connected with capacity cell.
As a further improvement of the present invention, the copper foil lead-out wire is made of copper material.
As a further improvement of the present invention, it is 6-8mm, with a thickness of 0.10-0.15mm's that the copper foil, which draws line width,
Cuboid.
As a further improvement of the present invention, the sectional area of the copper foil lead-out wire is 0.60-1.20mm2。
As a further improvement of the present invention, copper foil connection copper foil lead-out wire on the explosion-proof block.
Compared with the prior art the present invention has the advantage that
1, copper foil connection directly design has copper foil lead-out wire on the end-cover explosion-proof block, eliminates polypropylene film capacitor production process
Middle this process of lead upper cover, substantially increases the production efficiency of polypropylene film capacitor.
2, the end cap copper foil lead-out wire is designed as fine copper material, eliminates original conventional use of plating of polypropylene film capacitor
This tin plating process of copper wire, reduces the cost of raw material, and improve production efficiency when tin copper wire lead is manufactured.And this is pure
Copper material design, it is more soft, it is not easy to break.
3, the end cap copper foil lead-out wire is designed as the cuboid of wide 6mm, thickness 0.11mm, and the ultrathin design of 0.11mm makes
It is heated faster when must weld, is easier to weld, and the width design of 6mm makes tin sticky area bigger, pad will be stronger.
4, the end cap copper foil lead-out wire is designed as the cuboid of wide 6mm, thickness 0.11mm, and the ultrathin design of 0.11mm makes
It is well-to-do to obtain capacitor inner space, will be higher to the degree of containing of inner core of capacitor diameter, be conducive to capacitor casing size
Miniaturization.
5, the end cap copper foil lead-out wire is designed as the cuboid of wide 6mm, thickness 0.11mm, sectional area 0.66mm2, and
It for the cylindrical tinned copper wire of 1mm is lead, sectional area 0.785mm that conventional polypropylene films capacitor, which uses diameter,2,
The lead of i.e. same length, the volume of tinned copper wire lead are 1.19 times that copper foil draws line volume, that is to say, that institute of the present invention
The copper foil of use more saves material, and the cost of raw material is lower.
6, the end cap copper foil lead-out wire is designed as the cuboid of wide 6mm, thickness 0.11mm, and surface area is much larger than polypropylene
The conventional use of cylindrical tinned copper wire lead of thin-film capacitor, therefore the heat dissipation performance of copper foil lead-out wire is more preferable, is used as polypropylene
It is more conducive to capacitor internal heat dissipation when thin film capacitor lead, the bad phenomenons such as thermal breakdown occurs to reduce capacitor
May, be conducive to the Long Service Life for promoting polypropylene film capacitor.In addition, its heat dissipation performance also contributes to while promotion
Promote heat resistance, the commonly used UL1015 cylinder tinned copper wire lead of existing polypropylene film capacitor, specified temperature
Degree is 105 DEG C, and the copper foil leads of this end cover designs, and through measuring, rated temperature improves 23.81% up to 130 DEG C, favorably
In the reliability for promoting polypropylene film capacitor Long Service Life.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is structure of the invention main view.
Fig. 3 is structure of the invention left view.
Description of symbols: 1- lead-out wire, the insulation of 2- copper foil lead-out wire, 3- rivet, 4- explosion-proof block, 5- cover board, 6- insulation
Bowl, 7- exit.
Specific embodiment
The present invention will be further described in conjunction with the embodiment in attached drawing below:
As shown in Figure 1-Figure 3,
A kind of end cap for polypropylene film capacitor of the present invention, specifically a kind of material-saving, easily welding, high production effect
Rate, high tenacity, high-cooling property, high-temperature resistant integrated end cap.It includes copper foil lead-out wire 1, the insulation of copper foil lead-out wire 2, rivet
3, the part such as explosion-proof block 4, cover board 5, insulating bowl 6 and exit 7 forms.
Wherein, exit 7 and rivet 3 are integrally formed by punching press respectively, and the bottom of exit 7 is arranged in rivet 3, draw
End 7 is mounted on the centre bore of insulating bowl 6 by the rivet 3 of bottom, then is installed on cover board 5 and corresponds to punching hole, copper foil lead-out wire 1
Fixed by the corresponding bayonet of insertion explosion-proof block 4, by punch rivet 3 come fixed terminal 7, insulating bowl 6, cover board 5, explosion-proof block 4,
Copper foil lead-out wire 1 makes it be connected as one i.e. capacitor end cap.2 package copper foil lead-out wire 1 of copper foil lead-out wire insulation is anti-as insulation
Shield.End cap 5 is that medium makes end cap and capacitor with copper foil lead-out wire 1 by the way that copper foil lead-out wire 1 is welded to capacity cell end face
Element is connected.
Copper foil connection is designed as copper foil lead-out wire 1 on its explosion-proof block 4, and as insulation, this sets the insulation 2 of package copper foil lead-out wire
Meter in the production process of capacitor so that no longer need to the copper foil being soldered to the lead for connecting capacity cell and end cap on end cap
Junction eliminates this process of lead upper cover in polypropylene film capacitor production process, substantially increases polypropylene film
The production efficiency of capacitor.
Further, the copper foil lead-out wire 1 is fine copper material, eliminates original polypropylene film capacitor and routinely uses
Tinned copper wire lead this tin plating process of copper wire when manufacturing, reduce the cost of raw material, and improve production efficiency.And
The fine copper material design, it is more soft, it is not easy to break.
Further, 1 width of copper foil lead-out wire be 6mm, the cuboid with a thickness of 0.11mm, 0.11mm thickness
Ultrathin design, so that heated when welding faster be easier to weld, and the width design of 6mm makes tin sticky area bigger, pad will
It is stronger.Meanwhile the ultrathin design of the 0.11mm, but also capacitor inner space is well-to-do, to inner core of capacitor diameter
Degree of containing will be higher, be conducive to the miniaturization of capacitor casing size.1 width of copper foil lead-out wire, thickness, according to capacitor
The electric current passed through is actually used to need to adjust.
Further, the sectional area of copper foil lead-out wire 1 is 0.66mm2, and conventional polypropylene films capacitor uses diameter
Cylindrical tinned copper wire for 1mm is lead, sectional area 0.785mm2, i.e., the lead of same length, tinned copper wire draws
The volume of line is 1.19 times that copper foil draws line volume, and copper foil of the present invention more saves material, the cost of raw material
It is lower.1 sectional area of copper foil lead-out wire needs to adjust according to the electric current that capacitor actual use passes through.
Meanwhile the copper foil lead-out wire 1, the cuboid design of width 6mm, thickness 0.11mm, compared with conventional poly- third
The diameter that alkene thin film capacitor uses is lead for the cylindrical tinned copper wire of 1mm, is calculated with unit length, copper foil lead-out wire
Surface area be 2.87 times of tinned copper wire wire surface product, i.e. the surface area of copper foil lead-out wire is much larger than drawing in tinned copper wire
Line, and surface area is bigger, heat dissipation area is also bigger, therefore the heat dissipation performance of copper foil lead-out wire is more preferable, as polypropylene film electricity
Capacitor internal heat dissipation is more conducive to when container lead, to reduce the possibility that the bad phenomenons such as thermal breakdown occurs in capacitor,
Be conducive to be promoted the Long Service Life of polypropylene film capacitor.In addition, its heat dissipation performance also contributes to being promoted while promotion
Heat resistance, the commonly used UL1015 cylinder tinned copper wire lead of existing polypropylene film capacitor, rated temperature are
105 DEG C, and the copper foil leads of this end cover designs, through measuring, rated temperature improves 23.81% up to 130 DEG C, is conducive to mention
Rise the reliability of polypropylene film capacitor Long Service Life.
A kind of integrated end cap of polypropylene film capacitor of the present invention, specifically a kind of material-saving, easily welding, Gao Sheng
Produce efficiency, high tenacity, high-cooling property, high-temperature resistant integrated end cap, it is using the insulation 2 of copper foil lead-out wire as copper foil lead-out wire 1
Insulating protection, by the way that copper foil lead-out wire 1 is welded to capacity cell end face come connection end cap and capacity cell, then pass through extraction
Deriving structure of the end 7 as entire capacitor.
The present invention is drawn after passing through copper foil chip interconnection capacity cell end face and end cap by the exit on end cap, and
Pass through rolling occlusion sealing after viscose glue water at end cap flange and at aluminum hull flange.
Claims (5)
1. the integrated end cap of a kind of polypropylene film capacitor, it is characterized in that: including copper foil lead-out wire (1), copper foil lead-out wire
It insulate (2), rivet (3), explosion-proof block (4), cover board (5), insulating bowl (6) and exit (7), rivet (3) setting are being drawn
It is mounted on cover board (5) on pair again after holding the bottom of (7), exit (7) to be mounted on the centre bore of insulating bowl (6) by rivet (3)
The punching hole answered, copper foil lead-out wire (1) are fixed by the corresponding bayonet of insertion explosion-proof block (4), are drawn by the way that punch rivet (3) are fixed
(7), insulating bowl (6), cover board (5), explosion-proof block (4), copper foil lead-out wire (1) are held, it is made to be connected as one i.e. capacitor end cap, it is described
Copper foil lead-out wire insulate (2) package copper foil lead-out wire (1) as insulating protection, and the end cap (5) passes through copper foil lead-out wire (1) and welds
It connects in capacity cell end face, is that medium makes end cap be connected with capacity cell with copper foil lead-out wire (1).
2. the integrated end cap of polypropylene film capacitor as described in claim 1, it is characterized in that: on the explosion-proof block (4)
Copper foil connection copper foil lead-out wire.
3. the integrated end cap of polypropylene film capacitor as described in claim 1, it is characterized in that: the copper foil lead-out wire
(1) it is made of copper material.
4. the integrated end cap of polypropylene film capacitor as described in claim 1, it is characterized in that: the copper foil lead-out wire
(1) width is 6-8mm, the cuboid with a thickness of 0.10-0.15mm.
5. the integrated end cap of polypropylene film capacitor as described in claim 1, it is characterized in that: the copper foil lead-out wire
(1) sectional area is 0.60-1.20mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326696.XA CN109903993A (en) | 2019-04-23 | 2019-04-23 | The integrated end cap of polypropylene film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326696.XA CN109903993A (en) | 2019-04-23 | 2019-04-23 | The integrated end cap of polypropylene film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109903993A true CN109903993A (en) | 2019-06-18 |
Family
ID=66956172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910326696.XA Withdrawn CN109903993A (en) | 2019-04-23 | 2019-04-23 | The integrated end cap of polypropylene film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109903993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504105A (en) * | 2019-08-27 | 2019-11-26 | 艾华新动力电容(苏州)有限公司 | A kind of direct current support capacitor of ultra-low inductance and preparation method thereof |
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| CN103065795A (en) * | 2013-01-30 | 2013-04-24 | 慈溪市日益电容器厂 | Explosion-proof series capacitor internally connected with inductors in series |
| CN103337364A (en) * | 2013-06-19 | 2013-10-02 | 无锡宏广电容器有限公司 | Non-inductive capacitor |
| CN103456490A (en) * | 2013-09-24 | 2013-12-18 | 无锡宏广电容器有限公司 | Molecular sieve capacitor |
| CN104143436A (en) * | 2014-07-22 | 2014-11-12 | 安徽鑫阳电子有限公司 | Point-contact-typed explosion-proof capacitor for conductive column |
| CN104900402A (en) * | 2015-06-28 | 2015-09-09 | 蒋玲 | Explosion-proof type series capacitor |
| CN108899204A (en) * | 2018-06-29 | 2018-11-27 | 无锡宏广电容器有限公司 | Polarity fills long-service-life metal polypropylene film capacitor |
| CN209708842U (en) * | 2019-04-23 | 2019-11-29 | 无锡宏广电容器有限公司 | The integrated end cap of polypropylene film capacitor |
-
2019
- 2019-04-23 CN CN201910326696.XA patent/CN109903993A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065795A (en) * | 2013-01-30 | 2013-04-24 | 慈溪市日益电容器厂 | Explosion-proof series capacitor internally connected with inductors in series |
| CN103337364A (en) * | 2013-06-19 | 2013-10-02 | 无锡宏广电容器有限公司 | Non-inductive capacitor |
| CN103456490A (en) * | 2013-09-24 | 2013-12-18 | 无锡宏广电容器有限公司 | Molecular sieve capacitor |
| CN104143436A (en) * | 2014-07-22 | 2014-11-12 | 安徽鑫阳电子有限公司 | Point-contact-typed explosion-proof capacitor for conductive column |
| CN104900402A (en) * | 2015-06-28 | 2015-09-09 | 蒋玲 | Explosion-proof type series capacitor |
| CN108899204A (en) * | 2018-06-29 | 2018-11-27 | 无锡宏广电容器有限公司 | Polarity fills long-service-life metal polypropylene film capacitor |
| CN209708842U (en) * | 2019-04-23 | 2019-11-29 | 无锡宏广电容器有限公司 | The integrated end cap of polypropylene film capacitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504105A (en) * | 2019-08-27 | 2019-11-26 | 艾华新动力电容(苏州)有限公司 | A kind of direct current support capacitor of ultra-low inductance and preparation method thereof |
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Application publication date: 20190618 |