CN201256078Y - Electric capacitor having internal current protection - Google Patents
Electric capacitor having internal current protection Download PDFInfo
- Publication number
- CN201256078Y CN201256078Y CNU2008200302622U CN200820030262U CN201256078Y CN 201256078 Y CN201256078 Y CN 201256078Y CN U2008200302622 U CNU2008200302622 U CN U2008200302622U CN 200820030262 U CN200820030262 U CN 200820030262U CN 201256078 Y CN201256078 Y CN 201256078Y
- Authority
- CN
- China
- Prior art keywords
- fuse
- capacitor
- current protection
- internal current
- capacitor element
- 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 - Lifetime
Links
Images
Landscapes
- Fuses (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model belongs to the electric power capacitor filed, in particular to a power capacitor capable of inner current protection, which comprises a capacitor element and an inner fuse. The power capacitor is characterized in that two ends of the inner fuse are connectors, the middle of the inner fuse is a threadlike fuse element, current withstand capacity at the connectors is higher than that of the threadlike fuse element, and the threadlike fuse element of each inner fuse is isolated from each other.
Description
Technical field
The utility model relates to the power capacitor field, particularly a kind of power capacitor with internal current protection.
Background technology
It all is the power capacitor with internal current protection greatly that high-voltage parallel capacitor, high pressure assembling shunt capacitor, high-voltage alternating filtering capacitor have, and its most general the simplest mode is that employing is internal fuse protected.
At present, there is a problem in the said goods, and when its inner individual capacitors element took place to puncture, the interior fuse of connect with this capacitor element will quick-break, and this breakdown potential container component is excised; The interior fuse that also can cause adjoining capacitor element is simultaneously also fused by mistake, causes the power capacitor volume change violent; Even the interior fuse large tracts of land group that the adjacent capacitor element can occur is quick-fried, forces power capacitor out of service.Like this, just can't realize the purpose of the interior fuse selection excision breakdown potential container component that is provided with, its basic reason is that the interior fuse distance of each capacitor element is too near, and the fusing sealing that releases energy, and influences each other during fusing; But, in the manufacturing of power capacitor, inevitably require each capacitor element closely to contact.
Summary of the invention
The purpose of this utility model is to provide a kind of power capacitor with internal current protection, and the excision of its fault capacitor element has reliable selectivity.
In order to achieve the above object; the utility model is achieved by the following technical solutions: a kind of power capacitor with internal current protection; comprise capacitor element and interior fuse; it is characterized in that; the fuse two ends are joint in described; the centre is thread melt, and joint electric current tolerance is isolated between the thread melt of fuse in each mutually greater than thread melt.
Further improvement of the utility model is:
In described the joint of fuse by thread melt by folding back stranded forming mutually.
The cuboid of described capacitor element for reeling, its electrode lays respectively at two ends; Fuse spacer insulator paper is placed on the surface of described cuboid in described, and an one blank area stretches out with a described electrode and is connected, and its another blank area stretches out the side of described cuboid.
The fuse two ends are joint in of the present utility model, the centre is thread melt, joint electric current tolerance is greater than thread melt, isolate mutually between the thread melt of fuse in each, the fusing of single thread melt, can not influence fuse in other, guarantee that the excision of fault capacitor has reliable selectivity.
Description of drawings
Fig. 1 is the position view of capacitor element and interior fuse;
Embodiment
With reference to Fig. 1, the cuboid of capacitor element 1 for reeling, its electrode is positioned at two ends; The two ends of interior fuse are joint 2, and the centre is thread melt 3, and joint 2 place's electric current tolerances are greater than thread melt 3; Interior fuse spacer insulator paper is placed on the surface of described cuboid, and an one blank area stretches out with described electrode one end and is electrically connected, and its another blank area stretches out the side of described cuboid.
Making has the power capacitor of internal current protection.At first, select the suitable diameter and the interior fuse of length, interior fuse is placed on the capacitor element surface, with insulating paper interior fuse and capacitor element is isolated, and interior fuse is connected with capacitor element.Then,, determine the connection in series-parallel number of capacitor element, capacitor element is stacked, carry out connection in series-parallel according to electric pressure, the capacity of power capacitor.When certain capacitor element broke down, corresponding interior fuse failure can not have influence on adjacent intact capacitor element behind fuse failure with effective excision fault capacitor element in this, made the still normally operation of other intact capacitor element.
Claims (3)
1, a kind of power capacitor with internal current protection comprises capacitor element and interior fuse, it is characterized in that; the fuse two ends are joint in described; the centre is thread melt, and joint electric current tolerance is isolated between the thread melt of fuse in each mutually greater than thread melt.
2, a kind of power capacitor with internal current protection according to claim 1 is characterized in that, described in the joint of fuse by thread melt by folding back stranded forming mutually.
3, a kind of power capacitor with internal current protection according to claim 1 is characterized in that, the cuboid of described capacitor element for reeling, and its positive and negative electrode lays respectively at two ends; Fuse spacer insulator paper is placed on the surface of described cuboid in described, and an one blank area stretches out with described positive electrode and is electrically connected, and its another blank area stretches out the side of described cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200302622U CN201256078Y (en) | 2008-09-12 | 2008-09-12 | Electric capacitor having internal current protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200302622U CN201256078Y (en) | 2008-09-12 | 2008-09-12 | Electric capacitor having internal current protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201256078Y true CN201256078Y (en) | 2009-06-10 |
Family
ID=40739406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200302622U Expired - Lifetime CN201256078Y (en) | 2008-09-12 | 2008-09-12 | Electric capacitor having internal current protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201256078Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489372A (en) * | 2015-12-22 | 2016-04-13 | 无锡市锡容电力电器有限公司 | Internal fuse installation structure for capacitor |
-
2008
- 2008-09-12 CN CNU2008200302622U patent/CN201256078Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489372A (en) * | 2015-12-22 | 2016-04-13 | 无锡市锡容电力电器有限公司 | Internal fuse installation structure for capacitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101496194B (en) | High capacity battery cell equipped with two or more unit cells | |
| CN203415648U (en) | Cell and electrochemical energy storage device | |
| CN103765665A (en) | Stepped electrode assembly and battery cell, battery pack, and device comprising same | |
| CN102082256A (en) | Secondary battery | |
| KR101199225B1 (en) | Secondary battery | |
| CN205429058U (en) | Secondary battery | |
| EP2958164B1 (en) | Electricity charging/discharging device with insulation package enclose member having electrode plate pair with multiple-sided electric conductive terminals | |
| CN107546421B (en) | Winding type battery cell | |
| CN204706463U (en) | High voltage thin film capacitor | |
| CN104584274A (en) | Electrical energy storage cell, electrical energy storage module and method for producing an electrical energy storage cell | |
| CN104011900A (en) | Electrical energy storage cell and method for producing an electrical energy storage cell | |
| CN201256078Y (en) | Electric capacitor having internal current protection | |
| CN201449902U (en) | Self-healing foil type electric power capacitor of oil immersion composite medium | |
| CN102412063A (en) | High-voltage pulse capacitor used for rapid discharging | |
| CN209199783U (en) | A kind of Embedded monolithic ceramic capacitor | |
| CN112117426B (en) | Single battery, power battery pack and vehicle | |
| CN107204419B (en) | Secondary battery | |
| CN205303865U (en) | Take groove structure's female arranging of stromatolite | |
| US8369065B2 (en) | Electric double layer capacitor | |
| CN201156473Y (en) | Capacitance element and coupling capacitor | |
| CN1522451B (en) | A buffer capacitor | |
| CN105702459B (en) | Three level thin film capacitors | |
| CN206312762U (en) | The anti-riot thin film capacitor of high withstand voltage | |
| CN201156472Y (en) | Electric power capacitor | |
| CN101697318A (en) | Novel hidden foil-type capacitor element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090610 |
|
| CX01 | Expiry of patent term |