CN201210445Y - Low inductance high-voltage impulse capacitor - Google Patents
Low inductance high-voltage impulse capacitor Download PDFInfo
- Publication number
- CN201210445Y CN201210445Y CNU2008200372339U CN200820037233U CN201210445Y CN 201210445 Y CN201210445 Y CN 201210445Y CN U2008200372339 U CNU2008200372339 U CN U2008200372339U CN 200820037233 U CN200820037233 U CN 200820037233U CN 201210445 Y CN201210445 Y CN 201210445Y
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- copper
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- metal
- voltage pulse
- polar plate
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Abstract
The utility model relates to a low-inductance high-voltage pulse capacitor, which is characterized in that a polar plate serial structure is arranged inside an element, a copper connecting piece at the high-voltage end of the element is connected with a copper guide bar arranged on an organic plastic insulating cover and is fixed by an inner screw, and the copper guide bar is compacted by a copper nut; and a copper connecting piece at the low-voltage end of the element is fixed with the bottom of a metal shell, and the organic plastic insulating cover and the middle of a metal flange are compacted by a rubber belt and a bolt through a metal pressing ring. he polar plate serial structure forms a polar plate by connecting a plurality of aluminum foil electrodes in series, and the starting ends and the ending ends of the aluminum foil electrodes project to two ends of the element. The capacitor has a simple, compact and reasonable structure; achieves reliable work under high voltage through the series connection of the plurality of the aluminum foil electrodes, reduces resistance of the polar plate greatly, and reduces loss of energy in the polar plate; and scatters instant discharged heavy current to each polar plate wound by the element, and can obtain high-peak current and longer service life.
Description
Technical field
The utility model relates to a kind of low inductance high-voltage pulse capacitor of aluminium foil electrode structure of multistage series connection, is mainly used in study of high energy physics, electric power experimental study, electrical equipment experimental study, medicine equipment, environmental protection, oil exploration and military industry field.
Background technology
In prior art, the dielectric of low inductance high-voltage pulse capacitor element is electric capacity paper and film, and pole plate is an aluminium foil, and by the lead wire of a pair of alignment, middle lining insulation reaches the target of low inductance.But the shortcoming of this component structure: 1, pole plate resistance is big, and the oscillatory extinction of discharge is fast, and portion of energy consumption is in pole plate; 2, lead wire is crimped on the aluminium foil pole plate, and contact resistance is big, and big electric current produces judder by the pair of lead wires sheet between lead wire and aluminium foil during discharge, destroys minor insulation, causes component breakdown, the shortening capatcitor life-span.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of low inductance high-voltage pulse capacitor, adopt many low inductance high-voltage pulse capacitors, form the pulse high current generator by connection in series-parallel, it charges by DC power supply, instantaneous discharge forms a huge pulse power, and the series connection form by element internal aluminium foil electrode is implemented in work under the high voltage; Can greatly reduce the pole plate resistance of element, the big electric current that discharges is distributed on every hoop aluminium foil, improve useful life greatly.
Main solution of the present utility model is achieved in that
The utility model comprises element, the metal shell of packing into after element adopts the insulating bag sealing to seal, feature is that element internal is provided with the pole plate cascaded structure, the copper plate of element high-pressure side connects with copper guide rod on being arranged on the organic plastics insulating lid, and adopting inner screw to fix, the copper guide rod is compressed by copper nut; The copper plate and the metal shell lower curtate of element low-pressure end are fixed, and organic plastics insulating lid and metal compress with bolt by the metal trim ring with rubber strip in the middle of sending out orchid.
Described pole plate cascaded structure is formed pole plate by many aluminium foil electrode coupled in series, and aluminium foil electrode origin or beginning and terminal are protruded at the element two ends; Two ends adopts crimping or welding extraction electrode, the dielectric that is provided with between described aluminium foil electrode forms by coiling, each series block all leaves the insulation spacing between two pole plates, selects the insulation spacing of dielectric thickness, pole plate series connection hop count and pole plate series block according to the height of voltage.The low-pressure end of described element and the lower curtate of metal shell link.
The interface of the bottom of described metal shell and metal trim ring are idiostatic, and high-pressure pulsating will be realized low inductance towards capacitor, and then its high-pressure side is connected on the copper guide rod, and low-pressure end is connected between metal trim ring and the metal bolts.
Be provided with element core pipe in the described element.Described dielectric is kraft capacitor paper, organic film.
The interface of described metal shell lower curtate and metal trim ring are idiostatic, and the high pressure exit is connected on the copper guide rod, and the low pressure exit is connected on the metal trim ring, constitute the low induction structure of coaxial-type.Described element upper and lower side lead-out wire is provided with pad.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; Series connection by many aluminium foil electrodes is implemented in reliably working under the high voltage, reduces pole plate resistance significantly, reduces the loss of energy in pole plate; The big electric current of instantaneous discharge is distributed to element on every hoop pole plate of volume, and can obtain high peak current and long useful life.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model component structure schematic diagram.
Embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
The utility model mainly by element 1 (element core pipe 1-1, aluminium foil electrode 1-2, dielectric 1-3, insulation spacing 1-4), metal shell 2, insulating bag sealing 3, metal shell lower curtate solder joint 4, organic plastics lid 5, copper guide rod 6, copper nut 7, inner screw 8, metal trim ring 9, rubber strip 10, copper plate 11, pad 12, metal send out blue 13 and bolt 14 form.
The utility model element 1 upper and lower side lead-out wire is provided with pad 12, the metal shell 2 of packing into after element 1 adopts insulating bag sealing 3 to seal, the copper plate 11 of element high-pressure side connects with copper guide rod 6 on being arranged on organic plastics insulating lid 5, and adopting inner screw 8 fixing, copper guide rod 6 is compressed by copper nut 7.The copper plate 11 of element 1 low-pressure end is fixing with metal shell lower curtate 4, and organic plastics lid 5 compresses by metal trim ring 9 usefulness bolts 14 with rubber strip 10 in the middle of sending out blue 13 with metal.Low-voltage terminal during its work can be connected on the bolt of metal trim ring 9.
The interface of described metal shell lower curtate 4 and metal trim ring 9 are idiostatic, this high-pressure pulsating will be realized low inductance towards capacitor, then its high-pressure side is connected on the copper guide rod 6, and low-pressure end is connected between metal trim ring 9 and the metal bolts 14, constitutes the low induction structure of coaxial-type.
The pole plate cascaded structure of described element 1 is formed pole plate by many aluminium foil electrode 1-2 coupled in series, the aluminium foil electrode of aluminium foil electrode 1-2 origin or beginnings and terminal protrudes at the element two ends, the lining dielectric that is provided with between the aluminium foil electrode 1-3 forms by coiling, each series block all leaves insulation spacing 1-4 between two pole plates, selects the insulation spacing of dielectric thickness, pole plate series connection hop count and pole plate series block according to the height of voltage.Be provided with element core pipe 1-1 in the described element 1.Described dielectric 1-3 is kraft capacitor paper, organic film.
Claims (6)
1, a kind of low inductance high-voltage pulse capacitor, comprise element (1), the metal shell (2) of packing into after element (1) adopts insulating bag sealing (3) to seal, it is characterized in that element (1) inside is provided with the pole plate cascaded structure, the copper plate (11) of element (1) high-pressure side connects with copper guide rod (6) on being arranged on organic plastics insulating lid (5), and adopting inner screw (8) fixing, copper guide rod (6) is compressed by copper nut (7); The copper plate (11) of element low-pressure end is fixing with metal shell lower curtate (4), and organic plastics insulating lid (5) compresses by metal trim ring (9) with rubber strip (10) in the middle of sending out orchid (13) with metal.
2, low inductance high-voltage pulse capacitor according to claim 1 is characterized in that described pole plate cascaded structure forms pole plate by many aluminium foil electrodes (1-2) coupled in series, and aluminium foil electrode (1-2) origin or beginning and terminal are protruded at element (1) two ends.
3, low inductance high-voltage pulse capacitor according to claim 2 is characterized in that each series block all leaves insulation spacing (1-4) between described pole plate.
4, low inductance high-voltage pulse capacitor according to claim 1 is characterized in that the lining dielectric (1-3) that is provided with between described aluminium foil electrode (1-2) forms by coiling.
5, low inductance high-voltage pulse capacitor according to claim 1 is characterized in that the low-pressure end of described element (1) and the lower curtate (4) of metal shell link.
6, low inductance high-voltage pulse capacitor according to claim 1, the interface and the metal trim ring (9) that it is characterized in that described metal shell lower curtate (4) are idiostatic, the high pressure exit is connected on the copper guide rod (6), the low pressure exit is connected on the metal trim ring (9), constitutes the low induction structure of coaxial-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200372339U CN201210445Y (en) | 2008-06-04 | 2008-06-04 | Low inductance high-voltage impulse capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200372339U CN201210445Y (en) | 2008-06-04 | 2008-06-04 | Low inductance high-voltage impulse capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201210445Y true CN201210445Y (en) | 2009-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200372339U Expired - Fee Related CN201210445Y (en) | 2008-06-04 | 2008-06-04 | Low inductance high-voltage impulse capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201210445Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412063A (en) * | 2011-06-21 | 2012-04-11 | 西安交通大学 | High-voltage pulse capacitor used for rapid discharging |
| CN102623181A (en) * | 2012-04-26 | 2012-08-01 | 成都精容电子有限公司 | Bypass capacitor |
| CN102637525A (en) * | 2012-03-29 | 2012-08-15 | 贾伟 | Flat low-inductance and high-voltage capacitor |
| CN107093517A (en) * | 2016-12-22 | 2017-08-25 | 中国工程物理研究院应用电子学研究所 | A kind of small-sized hundred kilovolts of high-voltage pulse capacitors of repetition rate |
| CN107393717A (en) * | 2017-07-18 | 2017-11-24 | 中国工程物理研究院流体物理研究所 | A kind of high-voltage pulse capacitor |
| CN110828176A (en) * | 2019-11-27 | 2020-02-21 | 东佳电子（郴州）有限公司 | Pulse capacitor for fast discharge unit |
| CN111009414A (en) * | 2019-12-27 | 2020-04-14 | 安徽航睿电子科技有限公司 | High-voltage split capacitor |
-
2008
- 2008-06-04 CN CNU2008200372339U patent/CN201210445Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412063A (en) * | 2011-06-21 | 2012-04-11 | 西安交通大学 | High-voltage pulse capacitor used for rapid discharging |
| CN102412063B (en) * | 2011-06-21 | 2013-05-22 | 西安交通大学 | High-voltage pulse capacitor used for rapid discharging |
| CN102637525A (en) * | 2012-03-29 | 2012-08-15 | 贾伟 | Flat low-inductance and high-voltage capacitor |
| CN102637525B (en) * | 2012-03-29 | 2015-02-18 | 贾伟 | Flat low-inductance and high-voltage capacitor |
| CN102623181A (en) * | 2012-04-26 | 2012-08-01 | 成都精容电子有限公司 | Bypass capacitor |
| CN107093517A (en) * | 2016-12-22 | 2017-08-25 | 中国工程物理研究院应用电子学研究所 | A kind of small-sized hundred kilovolts of high-voltage pulse capacitors of repetition rate |
| CN107393717A (en) * | 2017-07-18 | 2017-11-24 | 中国工程物理研究院流体物理研究所 | A kind of high-voltage pulse capacitor |
| CN107393717B (en) * | 2017-07-18 | 2023-07-04 | 中国工程物理研究院流体物理研究所 | High-voltage pulse capacitor |
| CN110828176A (en) * | 2019-11-27 | 2020-02-21 | 东佳电子（郴州）有限公司 | Pulse capacitor for fast discharge unit |
| CN111009414A (en) * | 2019-12-27 | 2020-04-14 | 安徽航睿电子科技有限公司 | High-voltage split capacitor |
| CN111009414B (en) * | 2019-12-27 | 2021-03-23 | 安徽航睿电子科技有限公司 | High-voltage split capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20110604 |