CN203242501U - Electrolytic capacitor - Google Patents
Electrolytic capacitor Download PDFInfo
- Publication number
- CN203242501U CN203242501U CN 201320137796 CN201320137796U CN203242501U CN 203242501 U CN203242501 U CN 203242501U CN 201320137796 CN201320137796 CN 201320137796 CN 201320137796 U CN201320137796 U CN 201320137796U CN 203242501 U CN203242501 U CN 203242501U
- Authority
- CN
- China
- Prior art keywords
- electrolytic capacitor
- core bag
- electrode foil
- core package
- utility
- 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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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses an electrolytic capacitor, including a casing pipe, an aluminum case and a core package. The core package is located in the aluminum case. The core package is manufactured by winding positive electrode foil, negative electrode foil, electrolytic paper, aluminum stems and outgoing lines. The top of the core package is provided with a rubber plug for sealing. The negative electrode foil is in direct contact with the bottom of the aluminum case. The outgoing lines are of tin-coated steel wires or copper-coated steel wires. As the negative electrode foil is in direct contact with the bottom of the aluminum case and the heat transfer is between metals, the heat transfer efficiency is improved.
Description
Technical field
The utility model relates to a kind of electric elements, particularly a kind of electrochemical capacitor that is easy to dispel the heat.
Background technology
The core bag of conventional canopy-type aluminium electrolytic capacitor is reeled by cathode foil, anode foil, electrolytic paper and lead-out tablet and is made, wherein the width of cathode foil and anode foil is identical, Width cathode foil and the anode foil of electrolytic paper are wide, cathode foil and anode foil alignment during coiling, the position is greatly about the central authorities of electrolytic paper.
The heat that the core job contract of the electrolytic capacitor of this structure produces when doing passes to the inwall of aluminum hull on the one hand by the air dielectric of interiors of products, be on the other hand by contacting of electrolytic paper and aluminum casing bottom heat directly passed to shell at the bottom of, the efficient of these two kinds of heat transfer modes is all very low, can not satisfy preferably the heat delivery request in the aluminum hull.
Summary of the invention
But the purpose of this utility model provides a kind of electrolytic capacitor that is easy to dispel the heat of Effective Raise heat transfer efficiency.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electrolytic capacitor, comprise sleeve pipe, aluminium shell-and-core bag, this core bag is located in the aluminum hull, described core bag is reeled by cathode foil, anode foil, electrolytic paper, aluminium stalk and lead-out wire and is made, core bag top is provided with sealing and uses plug, and described anode foil directly contacts with the bottom of aluminum hull.
Wherein, described lead-out wire is zinc-plated steel wire.
Wherein, described lead-out wire is copper-plated steel wire.
The beneficial effects of the utility model are: anode foil directly contacts with aluminum casing bottom, because the heat transmission is to carry out between metal, so heat transfer efficiency obviously improves.
Description of drawings
Fig. 1 is cutaway view of the present utility model;
Fig. 2 is expanded view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
With reference to shown in Figure 1, the utility model discloses a kind of electrolytic capacitor, comprise sleeve pipe 8, aluminum hull 6 and core bag, this core bag 5 is located in the aluminum hull 6, described core bag is reeled by cathode foil 1, anode foil 2, electrolytic paper 3, aluminium stalk and lead-out wire 4 and is made, core bag top is provided with sealing plug 7, described anode foil 2 directly contacts with the bottom of aluminum hull 6, wherein, described lead-out wire 4 is zinc-plated steel wire or copper-plated steel wire, anode foil 2 of the present utility model directly contacts with aluminum hull 6 bottoms, because the heat transmission is to carry out between metal, so heat transfer efficiency obviously improves.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only; and the embodiment of part utilization; for the person of ordinary skill of the art; under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (3)
1. electrolytic capacitor, comprise sleeve pipe, aluminium shell-and-core bag, this core bag is located in the aluminum hull, described core bag is reeled by cathode foil, anode foil, electrolytic paper, aluminium stalk and lead-out wire and is made, core bag top is provided with sealing and uses plug, and it is characterized in that: described anode foil directly contacts with the bottom of aluminum hull.
2. electrolytic capacitor according to claim 1 is characterized in that, described lead-out wire is zinc-plated steel wire.
3. electrolytic capacitor according to claim 1 is characterized in that, described lead-out wire is copper-plated steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137796 CN203242501U (en) | 2013-03-25 | 2013-03-25 | Electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320137796 CN203242501U (en) | 2013-03-25 | 2013-03-25 | Electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242501U true CN203242501U (en) | 2013-10-16 |
Family
ID=49319770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320137796 Expired - Fee Related CN203242501U (en) | 2013-03-25 | 2013-03-25 | Electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242501U (en) |
-
2013
- 2013-03-25 CN CN 201320137796 patent/CN203242501U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20150325 |
|
| EXPY | Termination of patent right or utility model |