CN207068660U - A kind of microminiature voltage regulation capacitor - Google Patents
A kind of microminiature voltage regulation capacitor Download PDFInfo
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- CN207068660U CN207068660U CN201720905359.2U CN201720905359U CN207068660U CN 207068660 U CN207068660 U CN 207068660U CN 201720905359 U CN201720905359 U CN 201720905359U CN 207068660 U CN207068660 U CN 207068660U
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Abstract
It the utility model is related to a kind of microminiature voltage regulation capacitor, including shell, liner, Insulation stopping and electric capacity of voltage regulation, liner is equipped inside the shell, electric capacity of voltage regulation is in liner, Insulation stopping is in shell and is filled between liner and electric capacity of voltage regulation, electric capacity of voltage regulation includes current-limiting resistance, core, electrode end plate, two extraction wires and voltage stabilizing dielectric layer, voltage stabilizing dielectric layer includes special polypropylene media layer and metal electrode layer, special polypropylene media layer is that one side list stays side zinc-aluminium metallization to thicken polypropylene mesh structure, metal electrode layer is zinc-aluminium electrode layer, voltage stabilizing dielectric layer is arranged between electrode end plate.The utility model has the advantage of being noninductive structure with more preferable dv/dt, overall structure, low equivalent series inductance, low ESR, low erl, low loss factor, self-healing property is good, and arcing distance is designed according to voltage class, can effectively absorb peak voltage, protection circuit safety.
Description
Technical field
It the utility model is related to a kind of electronic component, more particularly to a kind of microminiature voltage regulation capacitor.
Background technology
With the expansion of the miniaturization of electronic equipment, lightweight and high efficiency and application, require to adopt accordingly
Capacitor can reach miniaturization, Large Copacity, low impedance at high frequency, high temperature resistant, long-life and more adapt to wanting for High Density Packaging
Ask.Especially electric capacity of voltage regulation, as the main element of spike high pulse voltage at filter in protection circuit, its stability and use the longevity
Life is its most important performance indications.
The electric capacity of voltage regulation that existing part is used for protection circuit can not take into account 2 points of the above, while its size is larger, uncomfortable
The trend for answering hyundai electronicses component to minimize, it is therefore desirable to which a new voltage regulation capacitor solves the above problems.
Utility model content
The utility model provides a kind of microminiature voltage regulation capacitor, can bear high pulse voltage, better tolerance, use the longevity
Life length.
To reach above-mentioned purpose, utility model employs following technical proposal：A kind of microminiature voltage regulation capacitor, including it is outer
Shell, liner, Insulation stopping and electric capacity of voltage regulation, the liner is equipped, and the electric capacity of voltage regulation is in liner inside the shell,
The Insulation stopping is in shell and is filled between the liner and the electric capacity of voltage regulation, and the electric capacity of voltage regulation includes
Current-limiting resistance, core, electrode end plate, two extraction wires and voltage stabilizing dielectric layer, the end face of the electrode end plate connect respectively respectively
From extraction wire, the electrode end plate both ends are connected by capacitance core, and extraction wire described in the core connects respectively to be located at
In two wiring pins outside shell, the current-limiting resistance is in parallel with capacitance core, and the current-limiting resistance is on the outside of capacitance core, institute
Current-limiting resistance both ends are stated by wire connection electrode end plate end face, the core is on the outside of capacitance core, the wiring pin
Place is sealed by epoxy resin enclosed material, and the voltage stabilizing dielectric layer includes special polypropylene media layer and metal electrode layer, described
Special polypropylene media layer is that one side list stays side zinc-aluminium metallization to thicken polypropylene mesh structure, and the metal electrode layer is zinc-aluminium
Electrode layer, the voltage stabilizing dielectric layer are arranged between electrode end plate.
In a kind of above-mentioned microminiature voltage regulation capacitor, the core includes three-layer thin-film winding and formed, from inside to outside
It is the special aluminum metallization polypropylene film of one side double-edge, the two-sided evaporation polyester film of aluminum metallization and OPP films respectively.
In a kind of above-mentioned microminiature voltage regulation capacitor, one end of the special polypropylene media layer and metal electrode layer
Provided with Shang Liu, the other end of the metal electrode layer is provided with thickening contiguous block.
In a kind of above-mentioned microminiature voltage regulation capacitor, the thickening contiguous block is provided with gilding layer.
In a kind of above-mentioned microminiature voltage regulation capacitor, the shell uses flame retardant plastics encapsulating shell.
The utility model has the advantage of gilding layer is increased in capacitor end surface, real contact area is much larger than geometric surface
Product, increase adhesive force, reduce ESR, there is more preferable dv/dt, high pulse voltage can be born, shell is encapsulated using flame retardant plastics
Shell, it is nonpolarity, there is reliable conveyance capacity, overall structure is noninductive structure, low equivalent series inductance, low ESR, and low erl is low
Loss factor, self-healing property is good, and arcing distance is designed according to voltage class, and voltage stabilizing dielectric layer can effectively absorb peak voltage, protect
Line security, air is discharged in electric capacity, delays capacitor oxidizing process, is reduced appearance and is declined, increases effective building ring of capacitor
Border section.
Brief description of the drawings
In order to illustrate more clearly of utility model embodiment or technical scheme of the prior art, below will to embodiment or
The required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
Some embodiments of utility model, for those of ordinary skill in the art, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the internal structure schematic diagram of utility model；
Fig. 2 is the schematic appearance of utility model；
Fig. 3 is the structural side view of the core of utility model；
Fig. 4 is the voltage stabilizing dielectric layer structural representation of utility model.
Embodiment
Below in conjunction with the accompanying drawing in utility model embodiment, the technical scheme in utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of utility model protection.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of microminiature voltage regulation capacitor, including shell 1, liner 2, Insulation stopping
3 and electric capacity of voltage regulation 4, it is characterised in that the liner 2 is fitted in the inner side of shell 1, and the electric capacity of voltage regulation 4 is in inside liner 2,
The Insulation stopping 3 is in shell 1 and is filled between the liner 2 and the electric capacity of voltage regulation 4, the electric capacity of voltage regulation
4 include current-limiting resistance 5, core 6,7, two extraction wires 8 of electrode end plate and voltage stabilizing dielectric layer 12, the end of the electrode end plate 7
Face connects respective extraction wire 8 respectively, and the both ends of electrode end plate 7 are connected by capacitance core 10, extraction described in the core 6
Wire 8 connects in two wiring pins 9 being located at outside shell 1 respectively, and the current-limiting resistance 5 is in parallel with capacitance core 10, the limit
Leakage resistance 5 is in the outside of capacitance core 10, and the both ends of current-limiting resistance 5 pass through the end face of wire connection electrode end plate 7, the core 6
Wound on the outside of capacitance core 10, sealed at the wiring pin 9 by epoxy resin enclosed material 11, the voltage stabilizing dielectric layer 12 wraps
Special polypropylene media layer 13 and metal electrode layer 14 are included, the special polypropylene media layer 13 is that one side list stays side zinc-aluminium metal
Change and thicken polypropylene mesh structure, the metal electrode layer 14 is zinc-aluminium electrode layer, and the voltage stabilizing dielectric layer 12 is arranged at electrode
Between end plate 7, the core 6 includes three-layer thin-film winding and formed, and is the special aluminum metallization of one side double-edge respectively from inside to outside
Polypropylene film 15, the two-sided evaporation polyester film 17 of aluminum metallization and OPP films 16, the special polypropylene media layer 13 and metal
One end of electrode layer 14 is provided with Shang Liu, and the other end of the metal electrode layer 14, which is provided with, thickeies contiguous block 18, described to add
Thick contiguous block 18 is provided with gilding layer 19, and the shell 1 uses flame retardant plastics encapsulating shell.
The utility model has the advantage of gilding layer is increased in voltage stabilizing dielectric layer end face, real contact area is much larger than geometry
Area, increase adhesive force, reduce ESR, there is more preferable dv/dt, high pulse voltage can be born, shell is encapsulated using flame retardant plastics
Shell, it is nonpolarity, there is reliable conveyance capacity, overall structure is noninductive structure, low equivalent series inductance, low ESR, and low erl is low
Loss factor, self-healing property is good, and arcing distance is designed according to voltage class, and voltage stabilizing dielectric layer can effectively absorb peak voltage, protect
Line security, air is discharged in electric capacity, delays capacitor oxidizing process, is reduced appearance and is declined, increases effective building ring of capacitor
Border section.
The preferred embodiment of utility model is the foregoing is only, it is all practical new not to limit utility model
Within the spirit and principle of type, any modification, equivalent substitution and improvements made etc., the protection model of utility model should be included in
Within enclosing.
Claims (5)
1. a kind of microminiature voltage regulation capacitor, including shell（1）, liner（2）, Insulation stopping（3）And electric capacity of voltage regulation（4）, its
It is characterised by, the liner（2）It is fitted in shell（1）Inner side, the electric capacity of voltage regulation（4）It is in liner（2）Inside, the insulation
Inserts（3）It is in shell（1）It is interior and be filled in the liner（2）With the electric capacity of voltage regulation（4）Between, the electric capacity of voltage regulation
（4）Including current-limiting resistance（5）, core（6）, electrode end plate（7）, two pieces extraction wires（8）With voltage stabilizing dielectric layer（12）, the electricity
Extreme plate（7）End face connect respective extraction wire respectively（8）, the electrode end plate（7）Both ends pass through capacitance core（10）Even
Connect, the core（6）The extraction wire（8）Connection is located at shell respectively（1）Two outer wiring pins（9）On, the limit
Leakage resistance（5）With capacitance core（10）Parallel connection, the current-limiting resistance（5）It is in capacitance core（10）Outside, the current-limiting resistance（5）Two
End passes through wire connection electrode end plate（7）End face, the core（6）Wound on capacitance core（10）Outside, the wiring pin（9）
Place passes through epoxy resin enclosed material（11）Sealing, the voltage stabilizing dielectric layer（12）Including special polypropylene media layer（13）And metal
Electrode layer（14）, the special polypropylene media layer（13）Side zinc-aluminium metallization is stayed to thicken polypropylene mesh structure for one side list,
The metal electrode layer（14）For zinc-aluminium electrode layer, the voltage stabilizing dielectric layer（12）It is arranged at electrode end plate（7）Between.
A kind of 2. microminiature voltage regulation capacitor according to claim 1, it is characterised in that：The core（6）Including three layers
Winding film forms, and is the special aluminum metallization polypropylene film of one side double-edge respectively from inside to outside（15）, aluminum metallization it is two-sided
Polyester film is deposited（17）And OPP films（16）.
A kind of 3. microminiature voltage regulation capacitor according to claim 2, it is characterised in that：The special polypropylene media layer
（13）And metal electrode layer（14）One end be provided with Shang Liu, the metal electrode layer（14）The other end be provided with thicken connect
Connect block（18）.
A kind of 4. microminiature voltage regulation capacitor according to claim 2, it is characterised in that：The thickening contiguous block（18）On
Provided with gilding layer（19）.
A kind of 5. microminiature voltage regulation capacitor according to claim 1, it is characterised in that：The shell（1）Using fire-retardant
Plastic Package shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905359.2U CN207068660U (en) | 2017-07-25 | 2017-07-25 | A kind of microminiature voltage regulation capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905359.2U CN207068660U (en) | 2017-07-25 | 2017-07-25 | A kind of microminiature voltage regulation capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068660U true CN207068660U (en) | 2018-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720905359.2U Active CN207068660U (en) | 2017-07-25 | 2017-07-25 | A kind of microminiature voltage regulation capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275081A (en) * | 2017-07-25 | 2017-10-20 | 浙江七星电容器有限公司 | A kind of microminiature voltage regulation capacitor |
-
2017
- 2017-07-25 CN CN201720905359.2U patent/CN207068660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275081A (en) * | 2017-07-25 | 2017-10-20 | 浙江七星电容器有限公司 | A kind of microminiature voltage regulation capacitor |
| CN107275081B (en) * | 2017-07-25 | 2023-08-29 | 浙江七星电容器有限公司 | Microminiature voltage stabilizing capacitor |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313117 No. 50 Development Avenue, Meishan Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Qixing Electronics Co., Ltd. Address before: 313000 Huaikan Township Industrial Zone, Changxing County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Qixing Capacitor Co.,Ltd. |