CN208240502U - A kind of Y2 safety capacitor for LED and fluorescence rectifier - Google Patents
A kind of Y2 safety capacitor for LED and fluorescence rectifier Download PDFInfo
- Publication number
- CN208240502U CN208240502U CN201820509981.6U CN201820509981U CN208240502U CN 208240502 U CN208240502 U CN 208240502U CN 201820509981 U CN201820509981 U CN 201820509981U CN 208240502 U CN208240502 U CN 208240502U
- Authority
- CN
- China
- Prior art keywords
- shell
- metallic film
- fluorescence
- led
- string holes
- 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.)
- Active
Links
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of Y2 safety capacitors for LED and fluorescence rectifier, including shell.The inner cavity of shell is provided with metallic film, metallic film includes medium, electrode is provided at the top of medium, envelope material is provided at the top and bottom of metallic film, and the side wall of metallic film is provided with gilding layer, string holes and cabling hole are offered on gilding layer respectively, inserted with lead in upper string holes and cabling hole, lead both ends in cabling hole are fixedly connected with the inner wall in envelope material, one end of lead in upper string holes runs through shell and extends to the bottom of shell, is provided with several convex blocks at the top of gilding layer.The technical issues of the utility model solves is to overcome the thin film capacitor proof voltage ability of the prior art low, the defect that contact resistance is big and high-frequency loss is high, the features such as the utility model has contact resistance and high-frequency loss low, and product overcurrent is high and proof voltage ability is strong.
Description
Technical field
It is specially a kind of to pacify for the Y2 of LED and fluorescence rectifier the utility model relates to safety capacitor technical field
Advise capacitor.
Background technique
After safety capacitor refers to capacitor failure, electric shock not will lead to, do not jeopardize the safety condenser of personal safety.Safety
Capacitor is generally only used for the filter action in anti-jamming circuit, they are used in power-supply filter, plays the role of power filter, point
It is other to common mode, DM EMI plays a filtering role.Safety capacitor is divided into X-type and Y type, traditional Y2 capacitor be firewire and ground wire it
Between or between zero curve and ground wire and the capacitor that connects, the position of the two Y capacitances connection are more crucial, it is necessary to need to meet correlation
Safety standard is easy to jeopardize personal safety and life to prevent causing electronic equipment to leak electricity or casing electrification.They belong to safety
Capacitor, thus it requires capacitance cannot be bigger than normal, and pressure resistance must be higher.Under normal circumstances, it is desirable that earth leakage current cannot surpass
0.7mA is crossed, is worked in temperate zone machine, it is desirable that earth leakage current is no more than 0.35mA.Y capacitance is electric except corresponding power grid is met
Pressure pressure resistance is outer, also requires this capacitor to have enough safe clearances in electrically and mechanically aspect of performance, avoids exceedingly odious
Occurs puncture short phenomenon under environmental condition, the pressure-resistant performance of Y capacitance is of great significance to protection personal safety.With LED
Development, in the use occasion of some specialities, Y2 capacitor need to reach the requirement of resonant capacitance, and the product of voltage reach
70KHz, voltage reach 700Vac, this, which uses traditional thin film capacitor, nearly reaches the limit, and existing technique and material
It is unable to reach requirement at all.
Summary of the invention
The technical issues of the utility model solves is to overcome the thin film capacitor proof voltage ability of the prior art low, contacts
The defect that resistance is big and high-frequency loss is high provides a kind of Y2 safety capacitor for LED and fluorescence rectifier.A kind of use
Have contact resistance and high-frequency loss low in the Y2 safety capacitor of LED and fluorescence rectifier, product overcurrent height and resistance to electricity
The features such as pressure energy power is strong.
To achieve the above object, the utility model provides the following technical solutions: a kind of Y2 for LED and fluorescence rectifier
Safety capacitor, including shell, the inner cavity of the shell are provided with metallic film, and the metallic film includes medium, are given an account of
It is provided with electrode at the top of matter, envelope material, and the side wall of the metallic film are provided at the top and bottom of the metallic film
It is provided with gilding layer, string holes and cabling hole is offered on the gilding layer respectively, is inserted into the upper string holes and cabling hole
There is lead, the lead both ends in the cabling hole are fixedly connected with the inner wall in envelope material, one end of the lead in the upper string holes
Through shell and the bottom of shell is extended to, is provided with several convex blocks at the top of the gilding layer.
Preferably, the surface of the shell is coated with zinc-aluminium metallized film.
Preferably, the surface of the envelope material is coated with epoxy resin embedding adhesive.
Preferably, the thickness of the electrode edge portions is greater than the thickness of middle section.
Preferably, the convex block is Wave-cut structure.
Compared with prior art, the utility model has the beneficial effects that the surface of shell is coated with zinc-aluminium metallized film, one
Aspect can enhance the moisture resistance and leakproofness of shell, on the other hand the protective value of shell can also be improved, by convex with antistatic
Block can increase the contact area between gilding layer and metallic film, so as to reduce its contact resistance, while can also drop
Low high-frequency loss value, and the Y2 safety capacitor additionally uses three string technologies, and the pressure resistance of single capacitor, metallic film can be improved
Electrode is provided at the top of middle medium, electrode uses the evaporation coating technique that edge thickeies coating, the current-carrying capability of electrode can be improved,
To also improve the proof voltage ability of the Y2 safety capacitor while improving product overcurrent.
Detailed description of the invention
Fig. 1 is the overall structure semi-cutaway of the utility model；
Fig. 2 is the structural schematic diagram of metallic film；
Fig. 3 is the structural schematic diagram of gilding layer.
Figure label: 1 shell, 2 metallic films, 3 media, 4 electrodes, 5 envelope material, 6 gilding layers, string holes, 8 cabling holes, 9 on 7
Lead, 10 convex blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of to pacify for the Y2 of LED and fluorescence rectifier
Capacitor, including shell 1 are advised, the surface of shell 1 is coated with zinc-aluminium metallized film, and the inner cavity of shell 1 is provided with metallic film
2, metallic film 2 includes medium 3, and the top of medium 3 is provided with electrode 4, and the thickness of 4 marginal portion of electrode is greater than middle section
Thickness, the top and bottom of metallic film 2 are provided with envelope material 5, and the surface of envelope material 5 is coated with epoxy resin embedding adhesive, and metal
The side wall of film 2 is provided with gilding layer 6, offers string holes 7 and cabling hole 8, upper string holes 7 and cabling hole 8 on gilding layer 6 respectively
Inside inserted with lead 9,9 both ends of lead in cabling hole 8 are fixedly connected with the inner wall in envelope material 5, the lead 9 in upper string holes 7
One end through shell 1 and extend to the bottom of shell 1, the top of gilding layer 6 is provided with several convex blocks 10, and convex block 10 is wave
Unrestrained cutting structure.
When the utility model is used, the surface of gilding layer 6 is provided with several convex blocks using Wave-cut technology
11, the contact area between gilding layer 6 and metallic film 2 can be increased by convex block 11, so as to reduce its contact resistance,
High-frequency loss value can also be reduced simultaneously, and the Y2 safety capacitor additionally uses three string technologies, and single capacitor can be improved
Pressure resistance, the top of medium 3 is provided with electrode 4 in metallic film 2, and electrode 4 uses the evaporation coating technique that edge thickeies coating, can mention
The current-carrying capability of high electrode 4, to also improve the proof voltage energy of the Y2 safety capacitor while improving product overcurrent
Power, when high-frequency loss reaches 100KHz, traditional thin film capacitor is greater than 0.0030, and the Y2 safety capacitor is by test
Its numerical value is less than 0.0008 afterwards, therefore withstanding current capability greatly improves.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Y2 safety capacitor for LED and fluorescence rectifier, including shell (1), it is characterised in that: the shell
(1) inner cavity is provided with metallic film (2), and the metallic film (2) includes medium (3), is provided at the top of the medium (3)
Electrode (4) is provided with envelope material (5) at the top and bottom of the metallic film (2), and the side wall of the metallic film (2) is set
Be equipped with gilding layer (6), offer string holes (7) and cabling hole (8) on the gilding layer (6) respectively, the upper string holes (7) and under
Inserted with lead (9) in string holes (8), lead (9) both ends in the cabling hole (8) are fixedly connected in the interior of envelope material (5)
Wall, one end of the lead (9) in the upper string holes (7) is through shell (1) and extends to the bottom of shell (1), the gilding layer
(6) several convex blocks (10) are provided at the top of.
2. a kind of Y2 safety capacitor for LED and fluorescence rectifier according to claim 1, it is characterised in that: institute
The surface for stating shell (1) is coated with zinc-aluminium metallized film.
3. a kind of Y2 safety capacitor for LED and fluorescence rectifier according to claim 1, it is characterised in that: institute
The surface for stating envelope material (5) is coated with epoxy resin embedding adhesive.
4. a kind of Y2 safety capacitor for LED and fluorescence rectifier according to claim 1, it is characterised in that: institute
The thickness for stating electrode (4) marginal portion is greater than the thickness of middle section.
5. a kind of Y2 safety capacitor for LED and fluorescence rectifier according to claim 1, it is characterised in that: institute
Stating convex block (10) is Wave-cut structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820509981.6U CN208240502U (en) | 2018-04-11 | 2018-04-11 | A kind of Y2 safety capacitor for LED and fluorescence rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820509981.6U CN208240502U (en) | 2018-04-11 | 2018-04-11 | A kind of Y2 safety capacitor for LED and fluorescence rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240502U true CN208240502U (en) | 2018-12-14 |
Family
ID=64587208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820509981.6U Active CN208240502U (en) | 2018-04-11 | 2018-04-11 | A kind of Y2 safety capacitor for LED and fluorescence rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240502U (en) |
-
2018
- 2018-04-11 CN CN201820509981.6U patent/CN208240502U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI421888B (en) | Stacked capacitor with many product pins | |
| CN203367022U (en) | Chip-type solid electrolytic tantalum capacitor | |
| CN208240502U (en) | A kind of Y2 safety capacitor for LED and fluorescence rectifier | |
| CN101604577A (en) | A kind of dry-type composite-dielectric filter capacitor | |
| CN101404207B (en) | Non-polarity chip tantalum capacitor and manufacturing method thereof | |
| CN206282734U (en) | One kind metallization is counter to stay side thin film capacitor | |
| CN202018886U (en) | Composite film medium filter capacitor | |
| CN203826222U (en) | Sheet type ultra-small high voltage heavy current capacitor | |
| CN103578746A (en) | Compound safe anti-explosion metallized film for capacitor | |
| CN105140040A (en) | Chip solid tantalum capacitor with ceramic packaging structure and packaging method thereof | |
| CN109637811A (en) | A kind of chip-type laminated solid aluminum electrolytic capacitor of ultrathin type polymer and preparation method | |
| CN204130352U (en) | The non-solid electrolyte tantalum electrolytic capacitor of a kind of composite type | |
| CN209000760U (en) | A kind of capacitor from explosion plate being accurately positioned the anti-short circuit of anti-desoldering | |
| CN106783180B (en) | A kind of method for preparing high working voltage polymer chip laminated aluminum electrolytic capacitor | |
| CN207302883U (en) | A kind of stacked capacitor | |
| CN201673817U (en) | Miniaturized thin film high voltage high precision capacitor | |
| CN112331480A (en) | Preparation method of multifunctional laminated aluminum electrolytic capacitor | |
| CN206059176U (en) | A kind of resistance-capacitance depressurization capacitor of high dynamic performance | |
| CN206312762U (en) | The anti-riot thin film capacitor of high withstand voltage | |
| CN204632587U (en) | A kind of anticreep welding film electric capacity | |
| CN204966292U (en) | High -pressure high performance aluminium electrolytic capacitor of wide temperature | |
| CN205194523U (en) | Pottery packaging structure piece formula solid tantalum capacitor | |
| CN201194194Y (en) | Super-small thin-film capacitor | |
| CN202855548U (en) | Capacitor element and thin film capacitor made from capacitor element | |
| TWI723680B (en) | Power storage device and power storage device group structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |