CN207068665U - A kind of power reforming type Absorption Capacitance - Google Patents
A kind of power reforming type Absorption Capacitance Download PDFInfo
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- CN207068665U CN207068665U CN201720905808.3U CN201720905808U CN207068665U CN 207068665 U CN207068665 U CN 207068665U CN 201720905808 U CN201720905808 U CN 201720905808U CN 207068665 U CN207068665 U CN 207068665U
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Abstract
It the utility model is related to a kind of power reforming type Absorption Capacitance,Including housing,Insulation inner container,Insulation stopping and capacity cell,Insulation inner container is fitted in case inside,Capacity cell is in inside insulation inner container,Insulation stopping is in housing and is filled between insulation inner container and capacity cell,Capacity cell includes current-limiting resistance,Core,Electrode and two extraction wires,The end face of electrode connects respective extraction wire respectively,Electrode both ends are connected by capacitance core,Current-limiting resistance is in parallel with capacitance core,Current-limiting resistance is on the outside of capacitance core,Current-limiting resistance both ends pass through wire connection electrode end face,Core is on the outside of capacitance core,The utility model has the advantage of with more preferable dv/dt,Overall structure is noninductive structure,Low equivalent series inductance,Low ESR,Low erl,Low loss factor,Self-healing property is good,Arcing distance is designed according to voltage class,Peak voltage can effectively be absorbed,Protection circuit safety.
Description
Technical field
It the utility model is related to a kind of electronic component, more particularly to a kind of power reforming type Absorption Capacitance.
Background technology
Absorption Capacitance is widely used in frequency converter, SVG, hybrid electric vehicle, inverter type welder, solar wind-energy generating current transformer
Etc. in the power lines design in industry, suitable for the absorption and protection of insulated gate bipolar transistor module region peak voltage,
The effect of Absorption Capacitance in circuit is similar to low pass filter, can sponge peak voltage, is generally having insulated gate bipolar
In the large power supply of transistor, the voltage instability caused by the stray inductance of busbar is eliminated, avoids insulated gate bipolar transistor
The damage of pipe.Therefore Absorption Capacitance plays vital effect on high power switching power supply for protection power component.
Existing Absorption Capacitance cost is high, can not bear high pulse voltage for a long time, interpolar proof voltage scope is small, self-healing property
Difference, therefore its service life is short, can not meet the demand of security appliance protection circuit to become increasingly complex.
Utility model content
The utility model provides a kind of power reforming type Absorption Capacitance, can bear high pulse voltage, and loss factor is low, makes
Use long lifespan.
To reach above-mentioned purpose, utility model employs following technical proposal：A kind of power reforming type Absorption Capacitance, including
Housing, insulation inner container, Insulation stopping and capacity cell, the insulation inner container are fitted in case inside, at the capacity cell
Inside insulation inner container, the Insulation stopping be in housing and be filled in the insulation inner container and the capacity cell it
Between, the capacity cell includes current-limiting resistance, core, electrode and two extraction wires, and the end face of the electrode connects respectively respectively
From extraction wire, the electrode both ends are connected by capacitance core, and extraction wire described in the core connects respectively is located at housing
In two outer wiring pins, the current-limiting resistance is in parallel with capacitance core, and the current-limiting resistance is on the outside of capacitance core, the limit
By wire connection electrode end face, the core passes through ring on the outside of capacitance core at the wiring pin at leakage resistance both ends
Oxygen encapsulating material seals, and the wiring pin is provided with mounting hole, and the wiring pin is set at the seamed edge both sides contacted with housing
There is reinforcement, the reinforcement is holded up to be formed upwards for a both sides part for wiring pin.
In a kind of above-mentioned power reforming type Absorption Capacitance, the core include three-layer thin-film winding form, by it is interior to
Outer is one side double-edge aluminium special metal polypropylene film, the two-sided evaporation polyester film of aluminum metallization and OPP films respectively.
In a kind of above-mentioned power reforming type Absorption Capacitance, the core can use more string Wave-cut structures, use
Polypropylene film Wave-cut is deposited in aluminum metallization, and end face is provided with gilding layer.
In a kind of above-mentioned power reforming type Absorption Capacitance, it is unilateral flat side by side that the wiring pin could be arranged to long side
Row is set.
In a kind of above-mentioned power reforming type Absorption Capacitance, it is unilateral vertical side by side that the wiring pin could be arranged to long side
It is straight to set.
In a kind of above-mentioned power reforming type Absorption Capacitance, the wiring pin could be arranged to that short side both sides are parallel to be set
Put.
In a kind of above-mentioned power reforming type Absorption Capacitance, it is parallel not that the wiring pin could be arranged to short side bilateral
Etc. high setting.
In a kind of above-mentioned power reforming type Absorption Capacitance, the housing uses flame retardant plastics encapsulating shell.
The utility model has the advantage of respectively according to the capacity of capacitor and pressure-resistant, in voltage 700VDC-1000VDC
When, using plural layers winding-structure, when voltage is 1200VDC-3000VDC using more string Wave-cut structures, in electric capacity
Device end face increases gilding layer, and real contact area is much larger than geometric area, increases adhesive force, reduces ESR, has more preferable dv/
Dt, high pulse voltage can be born, housing uses flame retardant plastics encapsulating shell, nonpolarity, and the wiring pin of extraction uses tin plating copper sheet,
And reinforcement is provided with, strengthen the stability of wiring pin, there is reliable conveyance capacity, overall structure is noninductive structure, low
Series inductance is imitated, low ESR, low erl, low loss factor, self-healing property is good, designs arcing distance according to voltage class, can effectively inhale
Peak voltage is received, protection circuit is safe, and air is discharged in electric capacity, delays capacitor oxidizing process, reduces appearance and declines, increases electric capacity
Effective working environment section of device.
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 a kind of structural representation of knot of the wiring pin of utility model；
Fig. 3 is a kind of structural representation of knot of the wiring pin of utility model；
Fig. 4 is a kind of structural representation of knot of the wiring pin of utility model；
Fig. 5 is a kind of structural representation of knot of the wiring pin of utility model；
Fig. 6 is a kind of structural side view of knot of the wiring pin of utility model；
Fig. 7 is a kind of structural side view of core of utility model；
Fig. 8 is a kind of structural side view of core 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.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of power reforming type Absorption Capacitance, including housing 1, insulation inner container 2, Insulation stopping 3
With capacity cell 4, the insulation inner container 2 is fitted in the inner side of housing 1, and the capacity cell 4 is in inside insulation inner container 2, described
Insulation stopping 3 is in housing 1 and is filled between the insulation inner container 2 and the capacity cell 4, the capacity cell
4 include current-limiting resistance 5, core 6, electrode 7 and two extraction wires 8, and the end face of the electrode 7 connects respective extraction and led respectively
Line 8, the both ends of electrode 7 are connected by capacitance core 10, and extraction wire 8 connects be located at outside housing 1 respectively described in the core 6
In two wiring pins 9, the current-limiting resistance 5 is in parallel with capacitance core 10, and the current-limiting resistance 5 is in the outside of capacitance core 10, institute
The both ends of current-limiting resistance 5 are stated by the end face of wire connection electrode 7, the core 6 is wound on the outside of capacitance core 10, the wiring pin
Sealed at 9 by epoxy encapsulating material 11, the wiring pin 9 is provided with mounting hole 12, and the wiring pin 9 connects with housing 1
Reinforcement 13 is provided with tactile seamed edge both sides, the reinforcement 13 is holded up to be formed upwards for a both sides part for wiring pin 9, institute
State wiring pin 9 and could be arranged to the side-by-side parallel setting of long side one side, the housing uses flame retardant plastics encapsulating shell.
Embodiment 2
As shown in Figure 1, Figure 3, a kind of power reforming type Absorption Capacitance, including housing 1, insulation inner container 2, Insulation stopping 3
With capacity cell 4, the insulation inner container 2 is fitted in the inner side of housing 1, and the capacity cell 4 is in inside insulation inner container 2, described
Insulation stopping 3 is in housing 1 and is filled between the insulation inner container 2 and the capacity cell 4, the capacity cell
4 include current-limiting resistance 5, core 6, electrode 7 and two extraction wires 8, and the end face of the electrode 7 connects respective extraction and led respectively
Line 8, the both ends of electrode 7 are connected by capacitance core 10, and extraction wire 8 connects be located at outside housing 1 respectively described in the core 6
In two wiring pins 9, the current-limiting resistance 5 is in parallel with capacitance core 10, and the current-limiting resistance 5 is in the outside of capacitance core 10, institute
The both ends of current-limiting resistance 5 are stated by the end face of wire connection electrode 7, the core 6 is wound on the outside of capacitance core 10, the wiring pin
Sealed at 9 by epoxy encapsulating material 11, the wiring pin 9 is provided with mounting hole 12, and the wiring pin 9 connects with housing 1
Reinforcement 13 is provided with tactile seamed edge both sides, the reinforcement 13 is holded up to be formed upwards for a both sides part for wiring pin 9, institute
State wiring pin 9 and could be arranged to that long side is unilateral to be vertically arranged side by side, the housing uses flame retardant plastics encapsulating shell.
Embodiment 3
As Figure 1 and Figure 4, a kind of power reforming type Absorption Capacitance, including housing 1, insulation inner container 2, Insulation stopping 3
With capacity cell 4, the insulation inner container 2 is fitted in the inner side of housing 1, and the capacity cell 4 is in inside insulation inner container 2, described
Insulation stopping 3 is in housing 1 and is filled between the insulation inner container 2 and the capacity cell 4, the capacity cell
4 include current-limiting resistance 5, core 6, electrode 7 and two extraction wires 8, and the end face of the electrode 7 connects respective extraction and led respectively
Line 8, the both ends of electrode 7 are connected by capacitance core 10, and extraction wire 8 connects be located at outside housing 1 respectively described in the core 6
In two wiring pins 9, the current-limiting resistance 5 is in parallel with capacitance core 10, and the current-limiting resistance 5 is in the outside of capacitance core 10, institute
The both ends of current-limiting resistance 5 are stated by the end face of wire connection electrode 7, the core 6 is wound on the outside of capacitance core 10, the wiring pin
Sealed at 9 by epoxy encapsulating material 11, the wiring pin 9 is provided with mounting hole 12, and the wiring pin 9 connects with housing 1
Reinforcement 13 is provided with tactile seamed edge both sides, the reinforcement 13 is holded up to be formed upwards for a both sides part for wiring pin 9, institute
State wiring pin 9 and could be arranged to short side both sides and be arranged in parallel, the housing uses flame retardant plastics encapsulating shell.
Embodiment 4
As shown in Fig. 1, Fig. 5, Fig. 6, a kind of power reforming type Absorption Capacitance, including housing 1, insulation inner container 2, insulation filling
Material 3 and capacity cell 4, the insulation inner container 2 are fitted in the inner side of housing 1, and the capacity cell 4 is in inside insulation inner container 2, institute
State Insulation stopping 3 to be in housing 1 and be filled between the insulation inner container 2 and the capacity cell 4, the electric capacity member
Part 4 includes current-limiting resistance 5, core 6, electrode 7 and two extraction wires 8, and the end face of the electrode 7 connects respective extraction respectively
Wire 8, the both ends of electrode 7 are connected by capacitance core 10, and extraction wire 8 connects be located at outside housing 1 respectively described in the core 6
Two wiring pins 9 on, the current-limiting resistance 5 is in parallel with capacitance core 10, and the current-limiting resistance 5 is in the outside of capacitance core 10,
Drawn by the end face of wire connection electrode 7, the core 6 wound on the outside of capacitance core 10, the wiring at the both ends of current-limiting resistance 5
Sealed at pin 9 by epoxy encapsulating material 11, the wiring pin 9 is provided with mounting hole 12, the wiring pin 9 with housing 1
Reinforcement 13 is provided with the seamed edge both sides of contact, the reinforcement 13 is holded up to be formed upwards for a both sides part for wiring pin 9,
The wiring pin 9 could be arranged to short side bilateral parallel high setting, the housing such as or not use flame retardant plastics encapsulating shell.
Embodiment 5
As shown in Figure 1, Figure 7 shows, a kind of power reforming type Absorption Capacitance, including housing 1, insulation inner container 2, Insulation stopping 3
With capacity cell 4, the insulation inner container 2 is fitted in the inner side of housing 1, and the capacity cell 4 is in inside insulation inner container 2, described
Insulation stopping 3 is in housing 1 and is filled between the insulation inner container 2 and the capacity cell 4, the capacity cell
4 include current-limiting resistance 5, core 6, electrode 7 and two extraction wires 8, and the end face of the electrode 7 connects respective extraction and led respectively
Line 8, the both ends of electrode 7 are connected by capacitance core 10, and extraction wire 8 connects be located at outside housing 1 respectively described in the core 6
In two wiring pins 9, the current-limiting resistance 5 is in parallel with capacitance core 10, and the current-limiting resistance 5 is in the outside of capacitance core 10, institute
The both ends of current-limiting resistance 5 are stated by the end face of wire connection electrode 7, the core 6 is wound on the outside of capacitance core 10, the wiring pin
Sealed at 9 by epoxy encapsulating material 11, the wiring pin 9 is provided with mounting hole 12, and the wiring pin 9 connects with housing 1
Reinforcement 13 is provided with tactile seamed edge both sides, the reinforcement 13 is holded up to be formed upwards for a both sides part for wiring pin 9, institute
State housing and use flame retardant plastics encapsulating shell, the core includes three-layer thin-film winding and formed, and being that one side is double respectively from inside to outside stays
Side aluminium special metal polypropylene film, the two-sided evaporation polyester film of aluminum metallization and OPP films.
Embodiment 6
As shown in Fig. 1, Fig. 8, a kind of power reforming type Absorption Capacitance, including housing 1, insulation inner container 2, Insulation stopping 3
With capacity cell 4, the insulation inner container 2 is fitted in the inner side of housing 1, and the capacity cell 4 is in inside insulation inner container 2, described
Insulation stopping 3 is in housing 1 and is filled between the insulation inner container 2 and the capacity cell 4, the capacity cell
4 include current-limiting resistance 5, core 6, electrode 7 and two extraction wires 8, and the end face of the electrode 7 connects respective extraction and led respectively
Line 8, the both ends of electrode 7 are connected by capacitance core 10, and extraction wire 8 connects be located at outside housing 1 respectively described in the core 6
In two wiring pins 9, the current-limiting resistance 5 is in parallel with capacitance core 10, and the current-limiting resistance 5 is in the outside of capacitance core 10, institute
The both ends of current-limiting resistance 5 are stated by the end face of wire connection electrode 7, the core 6 is wound on the outside of capacitance core 10, the wiring pin
Sealed at 9 by epoxy encapsulating material 11, the wiring pin 9 is provided with mounting hole 12, and the wiring pin 9 connects with housing 1
Reinforcement 13 is provided with tactile seamed edge both sides, the reinforcement 13 is holded up to be formed upwards for a both sides part for wiring pin 9, institute
State housing and use flame retardant plastics encapsulating shell, the core 6 can use more string Wave-cut structures 18, is deposited using aluminum metallization poly-
Polypropylene film Wave-cut, end face are provided with gilding layer 17.
The utility model has the advantage of respectively according to the capacity of capacitor and pressure-resistant, in voltage 700VDC-1000VDC
When, using plural layers winding-structure, when voltage is 1200VDC-3000VDC using more string Wave-cut structures, in electric capacity
Device end face increases gilding layer, and real contact area is much larger than geometric area, increases adhesive force, reduces ESR, has more preferable dv/
Dt, high pulse voltage can be born, housing uses flame retardant plastics encapsulating shell, nonpolarity, and the wiring pin of extraction uses tin plating copper sheet,
And reinforcement is provided with, strengthen the stability of wiring pin, there is reliable conveyance capacity, overall structure is noninductive structure, low
Series inductance is imitated, low ESR, low erl, low loss factor, self-healing property is good, designs arcing distance according to voltage class, can effectively inhale
Peak voltage is received, protection circuit is safe, and air is discharged in electric capacity, delays capacitor oxidizing process, reduces appearance and declines, increases electric capacity
Effective working environment section of device.
Claims (8)
1. a kind of power reforming type Absorption Capacitance, including housing（1）, insulation inner container（2）, Insulation stopping（3）And capacity cell
（4）, it is characterised in that the insulation inner container（2）It is fitted in housing（1）Inner side, the capacity cell（4）It is in insulation inner container
（2）Inside, the Insulation stopping（3）It is in housing（1）It is interior and be filled in the insulation inner container（2）With the capacity cell
（4）Between, the capacity cell（4）Including current-limiting resistance（5）, core（6）, electrode（7）With two extraction wires（8）, it is described
Electrode（7）End face connect respective extraction wire respectively（8）, the electrode（7）Both ends pass through capacitance core（10）Connection, it is described
Core（6）The extraction wire（8）Connection is located at housing respectively（1）Two outer wiring pins（9）On, the current-limiting 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）Both ends pass through
Wire connection electrode（7）End face, the core（6）Wound on capacitance core（10）Outside, the wiring pin（9）Place passes through epoxy
Encapsulating material（11）Sealing, the wiring pin（9）It is provided with mounting hole（12）, the wiring pin（9）With housing（1）Contact
Seamed edge both sides at be provided with reinforcement（13）, the reinforcement（13）For wiring pin（9）Both sides a part hold up shape upwards
Into.
A kind of 2. power reforming type Absorption Capacitance according to claim 1, it is characterised in that：The core（6）Including three
Layer film winding forms, and is one side double-edge aluminium special metal polypropylene film respectively from inside to outside（15）, aluminum metallization it is double
Polyester film is deposited in face（14）And OPP films（16）.
A kind of 3. power reforming type Absorption Capacitance according to claim 2, it is characterised in that：The core（6）It can use
More string Wave-cut structures（18）, polypropylene film Wave-cut is deposited using aluminum metallization, end face is provided with gilding layer（17）.
A kind of 4. power reforming type Absorption Capacitance according to claim 1, it is characterised in that：The wiring pin（9）Can
To be arranged to the side-by-side parallel setting of long side one side.
A kind of 5. power reforming type Absorption Capacitance according to claim 1, it is characterised in that：The wiring pin（9）Can
To be arranged to, long side is unilateral to be vertically arranged side by side.
A kind of 6. power reforming type Absorption Capacitance according to claim 1, it is characterised in that：The wiring pin（9）Can
It is be arranged in parallel with being arranged to short side both sides.
A kind of 7. power reforming type Absorption Capacitance according to claim 1, it is characterised in that：The wiring pin（9）Can
To be arranged to the parallel high setting such as or not short side bilateral.
A kind of 8. power reforming type Absorption Capacitance according to claim 1, it is characterised in that：The housing uses flame retardant plastic
Expect encapsulating shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905808.3U CN207068665U (en) | 2017-07-25 | 2017-07-25 | A kind of power reforming type Absorption Capacitance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720905808.3U CN207068665U (en) | 2017-07-25 | 2017-07-25 | A kind of power reforming type Absorption Capacitance |
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| Publication Number | Publication Date |
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| CN207068665U true CN207068665U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240498A (en) * | 2017-07-25 | 2017-10-10 | 浙江七星电容器有限公司 | A kind of power reforming type Absorption Capacitance |
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2017
- 2017-07-25 CN CN201720905808.3U patent/CN207068665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240498A (en) * | 2017-07-25 | 2017-10-10 | 浙江七星电容器有限公司 | A kind of power reforming type Absorption Capacitance |
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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 |
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. |
|
| CP03 | Change of name, title or address |