CN205230826U - Device that holds electric charge - Google Patents
Device that holds electric charge Download PDFInfo
- Publication number
- CN205230826U CN205230826U CN201521085802.3U CN201521085802U CN205230826U CN 205230826 U CN205230826 U CN 205230826U CN 201521085802 U CN201521085802 U CN 201521085802U CN 205230826 U CN205230826 U CN 205230826U
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- Prior art keywords
- pole plate
- layer
- polar plate
- capacitor
- lead
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Abstract
The utility model relates to a device that holds electric charge, its the capacitor minor structure about including composite polar plate with set up a plurality of cylindricality the capacitor between the composite polar plate about, the middle part at both ends corresponds respectively about every cylindricality the capacitor have about extraction electrode about, composite polar plate have respectively first, second left side layer polar plate and first, the second right side layer two -layer polar plate of polar plate, extraction electrode connects first left side layer polar plate and second right side layer polar plate respectively about partly cylindrical capacitor core, and extraction electrode connects first right side layer polar plate and second left side layer polar plate respectively about another part cylindrical capacitor core. The pin configuration includes the first lead -out wire of drawing from first left side layer polar plate and first right side layer polar plate with one end, the second lead -out wire and the insulation support that draw with one end from second left side layer polar plate and the second right side layer polar plate. This condenser has effectively reduced the inductance of lead -out wire, has reduced circuit heating, effectively avoids the electric capacity thermal breakdown.
Description
Technical field
The utility model relates to a kind of device holding electric charge.
Background technology
Capacitor is also known as the device holding electric charge, existing capacitor comprises the capacitor body holding electric charge, also comprise two lead-out wires formed from the side of capacitor body, further, by fixing and mounting bracket, parallel connection is carried out to capacitor body, but this capacitor lead-out wire inductance is larger, CURRENT DISTRIBUTION is uneven, through-flow larger element will generate heat seriously, and heat can not fast dissipation, cause heat in localized accumulated, easily cause the thermal breakdown of certain capacitor body and cause whole capacitor failure, its fixing and mounting bracket used time in parallel takes up room greatly, higher to drain on manpower and material resources.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of device holding electric charge.
For achieving the above object, the utility model adopts following technical scheme: a kind of device holding electric charge, comprises capacitor body, capacitor core minor structure and pin configuration;
Described capacitor body comprises capacitor casing and the lid that upper end has opening, and the upper end of described lid and capacitor casing is sealed and matched, and is sealed by the opening of capacitor casing upper end;
Described capacitor body vibrational power flow, in capacitor casing, is provided with the first dielectric between capacitor core minor structure and capacitor casing inwall;
Described capacitor core minor structure comprises multiple cylindrical condenser fuse and left and right compound polar plate;
Described multiple cylindrical condenser fuse is arranged between the compound polar plate of left and right, and is provided with the second dielectric between adjacent two cylindrical condenser fuses, and the middle part at two ends, each cylindrical condenser fuse left and right is corresponding respectively has left and right extraction electrode;
Left compound polar plate has first left layer of pole plate and first right layer of two-layer pole plate of pole plate, the first dielectric film is equipped with between first left layer of pole plate and first right layer of pole plate, right compound polar plate has second left layer of pole plate and second right layer of two-layer pole plate of pole plate, is equipped with the second dielectric film between second left layer of pole plate and second right layer of pole plate;
In described multiple cylindrical condenser fuse, the left extraction electrode of part cylindrical condenser fuse connects first left layer of pole plate, right extraction electrode connects second right layer of pole plate, the left extraction electrode of another part cylindrical condenser fuse connects first right layer of pole plate, and right extraction electrode connects second left layer of pole plate;
Pin configuration comprises first lead-out wire of drawing with one end from first left layer of pole plate and first right layer of pole plate, second lead-out wire of drawing with one end from second left layer of pole plate and second right layer of pole plate and insulating sleeve;
First lead-out wire and the second lead-out wire are all arranged with insulating sleeve, described insulating sleeve comprises an electrically special insulating crepe paper, described insulating crepe paper is formed one tubular along a helical wound, the lead angle scope of described helix is 15 °-25 °, the inside diameter ranges of described insulating sleeve is 4.76mm-8.89mm, and the wall thickness range of described insulating sleeve is 1.59mm-4.76mm.
As optimization, described insulating crepe paper is formed by 100% electrical grade brown paper manufacture.
Relative to prior art, the utility model tool has the following advantages:
The device of the accommodation electric charge in the utility model effectively reduces the inductance of lead-out wire, and left compound polar plate row sectional area is large, and resistance value is little, and reduce circuit heating, the heat exchange block thermal diffusivity of left compound polar plate is good; The device of the accommodation electric charge of this structure of the utility model reduces heat production simultaneously and improves heat dispersion, extends the useful life of product, and is convenient to modularized design.
Accompanying drawing explanation
Fig. 1 is the cutaway view that the utility model holds the device of electric charge.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
In description of the present utility model, it will be appreciated that, term " on ", D score, "left", "right", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
See Fig. 1, a kind of device holding electric charge, comprises capacitor body, capacitor core minor structure and pin configuration.
capacitor bodycomprise capacitor casing 1 and lid 11 that upper end has opening, described lid 11 is sealed and matched with the upper end of capacitor casing 1, is sealed by the opening of capacitor casing 1 upper end.
Described lid 11 is coated with the sealing resin 12 of one deck for sealing cover body 11; Sealing resin is cast on lid 11, can realize good sealing, if capacitor internal expanded by heating, sealing resin can absorb the pressure expanded, and sealing resin contraction distortion, can reduce the pressure of capacitor casing.
Elastic seal ring is provided with between the edge of described sealing resin 12 and lid 11; When after capacitor cooling; insulating resin cooling meat; elastic seal ring can effective elastic telescopic; make elastic seal ring energy and sealing resin close fitting seal all the time, and sealing resin good sealing effect, enable the device of this accommodation electric charge adapt to liquid environment; in a liquid also can trouble free service; the device of electric charge is held in protection, realizes dual-seal, increases the device useful life of holding electric charge.
Elastic seal ring is mulit-lip seal ring preferably, multiple sealing lip can with lid 11 close contact, multi-sealed, effect of easing stress is good, reaches effective sealing, leakage-preventing effect.
capacitor core minor structurebe arranged in capacitor casing 1, between capacitor core minor structure and capacitor casing 1 inwall, be provided with the first dielectric 13.
capacitor core minor structure comprisesmultiple cylindrical condenser fuse 20 and left and right compound polar plate; Described multiple cylindrical condenser fuse 20 is arranged between the compound polar plate of left and right, and be provided with the second dielectric 14 between adjacent two cylindrical condenser fuses 20, the middle part at each cylindrical condenser fuse about 20 two ends is corresponding respectively has left and right extraction electrode 21,23.
Left compound polar plate has first left layer of pole plate 22a and first right layer of two-layer pole plate of pole plate 22b, the first dielectric film is equipped with between first left layer of pole plate 22a and first right layer of pole plate 22b, right compound polar plate has second left layer of pole plate 24a and second right layer of two-layer pole plate of pole plate 24b, is equipped with the second dielectric film between second left layer of pole plate 24a and second right layer of pole plate 24b;
In multiple cylindrical condenser fuse 20, the left extraction electrode 21 of part cylindrical condenser fuse 20 connects first left layer of pole plate 22a, right extraction electrode 23 connects second right layer of pole plate 24b, the left extraction electrode 21 of another part cylindrical condenser fuse 20 connects first right layer of pole plate 22b, and right extraction electrode 23 connects second left layer of pole plate 24a.
Adopt left and right compound polar plate shunt capacitor, to replace the effect gone between in the device of existing accommodation electric charge, adopt the inductance of left and right compound polar plate much less than lead-in wire, thus efficiently reduce the device heating holding electric charge.
pin configuration comprise fromthe first lead-out wire 31 that first left layer of pole plate 22a and first right layer of pole plate 22b draws with one end, second lead-out wire 32 of drawing with one end from second left layer of pole plate 24a and second right layer of pole plate 24b and insulating sleeve 33.
First lead-out wire 31 and the second lead-out wire 32 are all arranged with insulating sleeve 33, described insulating sleeve 33 comprises an electrically special insulating crepe paper, described insulating crepe paper is formed one tubular along a helical wound, the lead angle scope of described helix is 15 °-25 °, the inside diameter ranges of described insulating sleeve 33 is 4.76mm-8.89mm, and the wall thickness range of described insulating sleeve 33 is 1.59mm-4.76mm.
Lead angle in the utility model refers to the tangent line of each point on described helix and the angle of horizontal plane.
Described insulating crepe paper is formed by 100% electrical grade brown paper manufacture, so can ensure that the material of insulating sleeve itself is free from foreign meter, thus substantially increase the electric withstand voltage properties of insulating sleeve, and have aging slow characteristic, and the wrinkle waveform on described insulating crepe paper effectively can improve the structural strength of insulating sleeve.
Compared with the insulating sleeve of traditional cable paper horizontal wrap, the insulating sleeve being used for capacitor lead-out wire at the utility model uses spiral winding method manufacture to form, in the assembling process of device holding electric charge, not easily break under stress and damage, ensure that its electric property.This kind of insulating sleeve uses simple, holding the device production producer of electric charge without the need to unnecessary processing, as long as cut the length to needing, saves a lot of man-hour.This kind of insulating sleeve can also arbitrarily angled, at all sites, insulating sleeve is stretched, this optimised flexible insulating sleeve makes the cabling of capacitor lead-out wire very convenient and accurate, the insulating sleeve avoiding traditional cable paper horizontal wrap because tube wall is hard, the not easy to break and problem of the lead-out wire difficult arrangement caused.And the volume of this insulating sleeve is less than the insulating sleeve of traditional cable paper horizontal wrap, thus reduce the design size of the case shell of the device holding electric charge, save insulating oil, reduce the manufacturing cost of the device of whole accommodation electric charge.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. hold a device for electric charge, comprise capacitor body, it is characterized in that, also comprise capacitor core minor structure and pin configuration;
Described capacitor body comprises capacitor casing (1) and the lid (11) that upper end has opening, and described lid (11) is sealed and matched with the upper end of capacitor casing (1), is sealed by the opening of capacitor casing (1) upper end;
Described capacitor body vibrational power flow, in capacitor casing (1), is provided with the first dielectric (13) between capacitor core minor structure and capacitor casing (1) inwall;
Described capacitor core minor structure comprises multiple cylindrical condenser fuse (20) and left and right compound polar plate;
Described multiple cylindrical condenser fuse (20) is arranged between the compound polar plate of left and right, and be provided with the second dielectric (14) between adjacent two cylindrical condenser fuses (20), the middle part at each cylindrical condenser fuse (20) two ends, left and right is corresponding respectively has left and right extraction electrode (21,23);
Left compound polar plate has first left layer of pole plate (22a) and first right layer of two-layer pole plate of pole plate (22b), the first dielectric film is equipped with between first left layer of pole plate (22a) and first right layer of pole plate (22b), right compound polar plate has second left layer of pole plate (24a) and second right layer of two-layer pole plate of pole plate (24b), is equipped with the second dielectric film between second left layer of pole plate (24a) and second right layer of pole plate (24b);
In described multiple cylindrical condenser fuse (20), the left extraction electrode (21) of part cylindrical condenser fuse (20) connects first left layer of pole plate (22a), right extraction electrode (23) connects second right layer of pole plate (24b), the left extraction electrode (21) of another part cylindrical condenser fuse (20) connects first right layer of pole plate (22b), and right extraction electrode (23) connects second left layer of pole plate (24a);
Pin configuration comprises first lead-out wire (31) of drawing with one end from first left layer of pole plate (22a) and first right layer of pole plate (22b), second lead-out wire (32) of drawing with one end from second left layer of pole plate (24a) and second right layer of pole plate (24b) and insulating sleeve (33);
First lead-out wire (31) and the second lead-out wire (32) are all arranged with insulating sleeve (33), described insulating sleeve (33) comprises an electrically special insulating crepe paper, described insulating crepe paper is formed one tubular along a helical wound, the lead angle scope of described helix is 15 °-25 °, the inside diameter ranges of described insulating sleeve (33) is 4.76mm-8.89mm, and the wall thickness range of described insulating sleeve (33) is 1.59mm-4.76mm.
2. the device holding electric charge as claimed in claim 1, is characterized in that: described insulating crepe paper is formed by 100% electrical grade brown paper manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085802.3U CN205230826U (en) | 2015-12-24 | 2015-12-24 | Device that holds electric charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085802.3U CN205230826U (en) | 2015-12-24 | 2015-12-24 | Device that holds electric charge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205230826U true CN205230826U (en) | 2016-05-11 |
Family
ID=55905873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521085802.3U Expired - Fee Related CN205230826U (en) | 2015-12-24 | 2015-12-24 | Device that holds electric charge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205230826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739737A (en) * | 2020-06-30 | 2020-10-02 | 合肥众甫工业技术有限公司 | Capacitor packaging structure for eliminating capacitance inductance effect |
-
2015
- 2015-12-24 CN CN201521085802.3U patent/CN205230826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739737A (en) * | 2020-06-30 | 2020-10-02 | 合肥众甫工业技术有限公司 | Capacitor packaging structure for eliminating capacitance inductance effect |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161224 |