CN111415819B - Multi-inner-string high-voltage-resistance thin film power capacitor - Google Patents

Multi-inner-string high-voltage-resistance thin film power capacitor Download PDF

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Publication number
CN111415819B
CN111415819B CN202010266414.4A CN202010266414A CN111415819B CN 111415819 B CN111415819 B CN 111415819B CN 202010266414 A CN202010266414 A CN 202010266414A CN 111415819 B CN111415819 B CN 111415819B
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plate
capacitor
pressure relief
power capacitor
group
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CN111415819A (en
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刘和平
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JIANDE HAIHUA ELECTRIC Co.,Ltd.
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Jiande Haihua Electric Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08Cooling arrangements; Heating arrangements; Ventilating arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/14Protection against electric or thermal overload
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/33Thin- or thick-film capacitors 

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

The invention discloses a multi-inner-string high-voltage-resistance film power capacitor, which structurally comprises: the embedded plate machine body, the capacitor pipe group, the wiring bin, the radiator, the controller, the converter and the lock seat can avoid the problem that the internal current is increased sharply in the using process of the power capacitor, the temperature and the pressure in the capacitor possibly exceed critical values in a very short time to cause the possibility of damage and even explosion of the intelligent power capacitor, and the influence on surrounding elements is caused when the explosion occurs, so that the equipment can carry out rapid heat transfer through the inner plate, on the other hand, when the special condition of explosion bulge occurs, the special composite layer device is matched with the pressure relief plate device, so that the shock wave generated by the explosion is embedded between the outer plate device and the inner plate, and the interlinking interference generated by accidental explosion between independent components is reduced, the safety of the main circuit is effectively protected.

Description

Multi-inner-string high-voltage-resistance thin film power capacitor
Technical Field
The invention discloses a multi-inner-string high-voltage-resistance film power capacitor, and belongs to the field of capacitor equipment.
Background
The capacitor is a common electronic or electric device, with the change of electronic information technology, the update speed of digital electronic products is faster and faster, and the production and sales volume of consumer electronic products mainly including flat-panel televisions, notebook computers, digital cameras and the like is continuously increased, which drives the growth of capacitor industry.
The prior art has the following defects: in the use process of the power capacitor, the reactor and the power capacitor which generate heat seriously are installed in a closed space together, the internal current is increased sharply, the temperature and the pressure inside the capacitor possibly exceed critical values in a very short time, so that the intelligent power capacitor is damaged or even exploded, the power elements are distributed in a staggered manner, and when explosion occurs, the surrounding elements are affected, and further greater loss and danger are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a multi-inner-string high-voltage-resistance film power capacitor, which solves the problems that in the use process of the existing power capacitor, because a reactor with serious heat generation and the power capacitor are installed in a closed space together, the internal current is increased rapidly, the temperature and the pressure in the capacitor possibly exceed critical values in a very short time, the intelligent power capacitor is damaged or even exploded, the distributed power elements are mistakenly arranged, and when explosion occurs, the surrounding elements are influenced, so that greater loss and danger are caused.
In order to achieve the purpose, the invention is realized by the following technical scheme: a multi-inner-string high-voltage-resistance thin film power capacitor structurally comprises: the embedded plate machine body comprises a composite layer device, a stress frame, a pressure relief plate device, an arc-shaped protective sleeve, a partition strip device and a connecting rod, wherein the composite layer device is arranged on the outer side of the stress frame and is locked with the stress frame, the composite layer device is in clearance fit with the stress frame, the connecting rod is arranged on the front side of the stress frame, the connecting rod and stress frame lock joint, stress frame rear side is equipped with the arc protective sheath, arc protective sheath inboard is equipped with pressure relief board device, pressure relief board device and arc protective sheath lock joint.
Preferably, the composite layer device comprises an outer plate device, an inner plate, a fixed joint shaft and an installation plate, wherein the inner plate is installed on the inner side of the outer plate device and is in clearance fit with the outer plate device, the fixed joint shaft is arranged on the side edge of the inner plate, the fixed joint shaft is buckled with the inner plate, and the inner plate is arranged on the side edge of the installation plate.
Preferably, the outer plate device comprises a buffer strip, a triangular plate, a heat dissipation groove, a supporting sheet and an intermediate rod group, the heat dissipation groove is installed on the inner side of the triangular plate and is fastened with the triangular plate, the intermediate rod group is arranged at the upper end of the triangular plate and is in locked connection with the triangular plate, the buffer strip is arranged on the inner side of the triangular plate, the supporting sheet is arranged on the outer side of the triangular plate, and the supporting sheet is in locked connection with the triangular plate.
Preferably, the pressure relief plate device comprises a blocking plate, a pressure sensing plate, a pressure relief rod group and a loading barrel, the pressure relief rod group is installed on the periphery of the pressure sensing plate and movably connected with the pressure sensing plate, the loading barrel is arranged on the outer side of the pressure sensing plate and locked with the pressure sensing plate, the blocking plate is arranged on the outer side of the pressure sensing plate, and the blocking plate is welded with the pressure sensing plate.
Preferably, the surface of the inner layer plate is provided with a plurality of groups of three-dimensional hole grooves, so that the heat inside the inner layer plate can be effectively transferred.
Preferably, the isolating bar device is made of flexible materials and used for isolating the outer walls of each group of power tubes to protect each independent structure.
Preferably, the heat dissipation grooves and the hole grooves of the inner plate are in a nesting matching relationship, and when an explosion condition occurs, the heat dissipation grooves and the hole grooves can be nested with each other to reduce impact on the outside.
Preferably, the pressure relief rod group is in the vertical direction under normal conditions, and when a special impact condition occurs, the pressure sensing plate drives and triggers the pressure relief rod group to be in the horizontal supporting direction.
Preferably, a user can connect the wiring bin with a corresponding circuit, the lock seat is fixed at a proper position, the nested plate body is embedded along the capacitor tube group, the connecting rod and the converter are fixed, each group of capacitor tube group is separated through the partition strip device, the stress frame provides main supporting force, the composite layer device and the pressure relief plate device independently protect the capacitor tube group, the composite layer device and the pressure relief plate device are started through the controller control equipment, electricity is matched with the converter through the capacitor tube group, the circuit is subjected to auxiliary control, the radiator is used for heat dissipation support between the wiring bins, in the using process, a gap between the inner layer plate and the heat dissipation groove forms a main heat dissipation area of the capacitor tube group, when an internal element is overheated and explodes, the inner layer plate can be extruded outwards under the matching of the fixed shaft and the supporting plate, and due to the pore canal relationship of the corresponding matching of the inner layer plate and the triangular plate, the pressure sensing plate drives the pressure relief rod group to perform passive support, the pressure sensing plate is changed from a vertical state to a horizontal state, and forms an impact blocking relation with the blocking plate, so that interference to surrounding external elements is isolated.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: in power capacitor use, carry out quick heat transfer through the inner plating, on the other hand, when the special condition of explosion swell appearing, cooperate each other through peculiar composite bed device and pressure relief board device, and then make the shock wave that the explosion produced carry out the gomphosis by planking device and inner plating, reduce the interlinkage interference because unexpected explosion produces between the independent part, effectively protect the safety of main circuit.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of an external structure of a multi-inner-series high-voltage-resistance thin-film power capacitor according to the present invention.
Fig. 2 is a schematic top view of the nested plate body according to the present invention.
FIG. 3 is a schematic view of the internal structure of the multi-layer device of the present invention.
Fig. 4 is a schematic structural view of the outer panel device of the present invention.
FIG. 5 is a schematic side view of the vent plate device of the present invention.
In the figure: the device comprises a nested plate machine body-1, a capacitor tube group-2, a wiring cabin-3, a radiator-4, a controller-5, a converter-6, a lock seat-7, a composite layer device-a, a stress frame-b, a pressure relief plate device-c, an arc-shaped protective sleeve-d, a partition strip device-e, a connecting rod-f, an outer plate device-a 1, an inner plate-a 2, a fixed combining shaft-a 3, a mounting plate-a 4, a buffer strip-a 11, a triangular plate-a 12, a heat dissipation groove-a 13, a support plate-a 14, an intermediate rod group-a 15, a blocking plate-c 1, a pressure sensing plate-c 2, a pressure relief rod group-c 3 and a loading cylinder-c 4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment:
referring to fig. 1-2, the present invention provides a technical solution of a multi-inner-series high voltage-resistant thin film power capacitor: the structure includes: the device comprises a nested plate machine body 1, a capacitor tube group 2, a wiring bin 3, a radiator 4, a controller 5, a converter 6 and a lock seat 7, wherein the radiator 4 is installed above the wiring bin 3 and is in lock connection with the wiring bin 3, the controller 5 is arranged above the right of the wiring bin 3, the controller 5 is electrically connected with the wiring bin 3, the converter 6 is arranged below the wiring bin 3, the capacitor tube group 2 is arranged at the left end of the converter 6, the capacitor tube group 2 is electrically connected with the converter 6, the nested plate machine body 1 is arranged outside the capacitor tube group 2, the nested plate machine body 1 is in lock connection with the capacitor tube group 2, the nested plate machine body 1 comprises a composite layer device a, a stress frame b, a pressure relief plate device c, an arc-shaped protective sleeve d, a partition strip device e and a connecting rod f, the partition strip device e is installed inside the stress frame b and is in lock connection with the stress frame b, the composite layer device a is arranged outside the stress frame b, the composite layer device a is in clearance fit with the stress frame b, a connecting rod f is arranged on the front side of the stress frame b and is fastened with the stress frame b, an arc-shaped protective sleeve d is arranged on the rear side of the stress frame b, a pressure relief plate device c is arranged on the inner side of the arc-shaped protective sleeve d, and the pressure relief plate device c is locked with the arc-shaped protective sleeve d.
The invention is mainly characterized in that: user's accessible connects the circuit that corresponds with the wiring storehouse 3 that is equipped with, lock seat 7 is fixed in suitable position, inlay nested plate organism 1 along the embedding of electric capacity nest of tubes 2, connecting rod f is fixed with converter 6, separate each group electric capacity nest of tubes 2 through cutting off strip device e, stress frame b provides main holding power, composite bed device an and pressure relief plate device c carry out independent protection to electric capacity nest of tubes 2, start through 5 controlgear of controller, the electricity is through electric capacity nest of tubes 2 and converter 6 mutually supporting, and then carry out auxiliary control to the circuit, radiator 4 is used for the heat dissipation support between the wiring storehouse 3.
Second embodiment:
referring to fig. 3-5, the present invention provides a technical solution of a multi-inner-series high voltage-resistant thin film power capacitor: the structure includes: the composite layer device a comprises an outer plate device a1, an inner plate a2, a fixed joint shaft a3 and an installation plate a4, wherein the inner plate a2 is installed on the inner side of the outer plate device a1 and is in clearance fit with the outer plate device a1, the fixed joint shaft a3 is arranged on the side edge of the inner plate a2, the fixed joint shaft a3 is buckled with the inner plate a2, and the inner plate a2 is arranged on the side edge of the installation plate a 4.
The outer plate device a1 comprises a buffer strip a11, a triangular plate a12, a heat dissipation groove a13, a support piece a14 and an intermediate rod group a15, wherein the heat dissipation groove a13 is installed on the inner side of the triangular plate a12 and is buckled with the triangular plate a12, the upper end of the triangular plate a12 is provided with the intermediate rod group a15, the intermediate rod group a15 is locked with the triangular plate a12, the inner side of the triangular plate a12 is provided with the buffer strip a11, the outer side of the triangular plate a12 is provided with the support piece a14, the a14 is locked with the support piece a12, and the outer plate device a1 and the inner plate a2 form a large heat dissipation area through the heat dissipation groove a 13.
The pressure relief plate device c comprises a blocking plate c1, a pressure sensing plate c2, a pressure relief rod group c3 and a loading cylinder c4, wherein the pressure relief rod group c3 is installed on the periphery of the pressure sensing plate c2 and movably connected with the pressure sensing plate c2, the loading cylinder c4 is arranged on the outer side of the pressure sensing plate c2, the loading cylinder c4 is locked with the pressure sensing plate c2, the blocking plate c1 is arranged on the outer side of the pressure sensing plate c2, the blocking plate c1 is welded with the pressure sensing plate c2, and the pressure relief plate device c performs one-direction linkage control on the pressure relief rod group c3 through displacement of the pressure sensing plate c 2.
The invention is mainly characterized in that: in the use process, the gap between the inner plate a2 and the heat dissipation groove a13 forms a main heat dissipation area of the capacitor tube group 2, when the internal element is overheated and explodes, the inner plate a2 can be pressed outwards under the matching of the fixed axis a3 and the support sheet a14, and because of the pore channel relationship of the corresponding matching of the inner plate a2 and the triangle a12, the inner plate a can be mutually embedded under shock waves, meanwhile, the middle spacer group a15 can assist in pressure relief, on the other side, the pressure sensing plate c2 drives the pressure relief rod group c3 to carry out passive support, the vertical state is changed into the horizontal state, an impact blocking relationship is formed with the blocking plate c1, and then the interference to the surrounding external elements is isolated.
The invention can avoid the possibility that the intelligent power capacitor is damaged or even exploded due to the fact that the electric reactor and the power capacitor which generate heat seriously are arranged in a closed space together by the capacitor in the using process of the power capacitor, the internal current is increased sharply, the temperature and the pressure in the capacitor possibly exceed critical values in a very short time, and the intelligent power capacitor is damaged or even exploded, the distributed power elements are scattered, and the surrounding elements are influenced when explosion occurs, so that the problem of larger loss and danger is caused, the equipment carries out rapid heat transfer through the inner plate, on the other hand, when the special condition of explosion bulge occurs, the special composite layer device is matched with the pressure relief plate device, and further, the shock wave generated by explosion is embedded between the outer plate device and the inner plate, the interlink interference between independent parts caused by accidental explosion is reduced, and the safety of the main circuit is effectively protected.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A multi-inner-string high-voltage-resistance thin film power capacitor structurally comprises: nested plate organism (1), electric capacity nest of tubes (2), wiring storehouse (3), radiator (4), controller (5), converter (6), lock seat (7), radiator (4) are installed in wiring storehouse (3) top and with wiring storehouse (3) lock joint, wiring storehouse (3) upper right side is equipped with controller (5), its characterized in that:
a converter (6) is arranged below the wiring bin (3), a capacitor tube group (2) is arranged at the left end of the converter (6), the capacitor tube group (2) is electrically connected with the converter (6), an embedded plate machine body (1) is arranged on the outer side of the capacitor tube group (2), and the embedded plate machine body (1) is buckled with the capacitor tube group (2);
the embedded plate machine body (1) comprises a composite layer device (a), a stress frame (b), a pressure relief plate device (c), an arc-shaped protective sleeve (d), a partition strip device (e) and a connecting rod (f), wherein the partition strip device (e) is installed on the inner side of the stress frame (b), the composite layer device (a) is arranged on the outer side of the stress frame (b), the connecting rod (f) is arranged on the front side of the stress frame (b), the arc-shaped protective sleeve (d) is arranged on the rear side of the stress frame (b), and the pressure relief plate device (c) is arranged on the inner side of the arc-shaped protective sleeve (d);
the composite layer device (a) comprises an outer plate device (a1), an inner plate (a2), a fixed joint shaft (a3) and an installation plate (a4), wherein the inner plate (a2) is installed on the inner side of the outer plate device (a1), the fixed joint shaft (a3) is arranged on the side edge of the inner plate (a2), and the inner plate (a2) is arranged on the side edge of the installation plate (a 4);
the outer plate device (a1) comprises buffer strips (a11), a triangular plate (a12), a heat dissipation groove (a13), a supporting plate (a14) and an intermediate rod group (a15), wherein the heat dissipation groove (a13) is installed on the inner side of the triangular plate (a12), the upper end of the triangular plate (a12) is provided with the intermediate rod group (a15), the intermediate rod group (a15) is locked with the triangular plate (a12), the inner side edge of the triangular plate (a12) is provided with the buffer strips (a11), and the outer side edge of the triangular plate (a12) is provided with the supporting plate (a 14);
pressure relief plate device (c) are including hindering board (c1), pressure sensing board (c2), pressure relief pole group (c3), loading section of thick bamboo (c4), pressure relief pole group (c3) are installed around pressure sensing board (c2), pressure sensing board (c2) outside is equipped with loading section of thick bamboo (c4), pressure sensing board (c2) outside is equipped with and hinders board (c 1).
2. The multi-inner-string high-voltage-resistance thin-film power capacitor as claimed in claim 1, wherein: the surface of the inner plate (a2) is provided with a plurality of groups of three-dimensional holes and grooves, so that the heat inside the inner plate can be effectively transferred.
3. The multi-inner-string high-voltage-resistance thin-film power capacitor as claimed in claim 1, wherein: the partition strip device (e) is made of flexible materials and used for partitioning the outer wall of each group of power pipes to protect each independent structure.
4. The multi-inner-string high-voltage-resistance thin-film power capacitor as claimed in claim 1, wherein: the heat dissipation grooves (a13) and the hole grooves of the inner plate (a2) are in a nesting matching relationship, and when an explosion condition occurs, the heat dissipation grooves can be nested with each other to reduce the impact on the outside.
5. The multi-inner-string high-voltage-resistance thin-film power capacitor as claimed in claim 1, wherein: the pressure relief rod group (c3) is in the vertical direction under normal conditions, and when special impact conditions occur, the pressure sensing plate (c2) drives the pressure relief rod group to be triggered to be in the horizontal supporting direction.
CN202010266414.4A 2020-04-07 2020-04-07 Multi-inner-string high-voltage-resistance thin film power capacitor Active CN111415819B (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201700093U (en) * 2010-01-20 2011-01-05 广州擎天实业有限公司 Capacitor explosion-proof box for rectifying device
JP2012083144A (en) * 2010-10-08 2012-04-26 Konica Minolta Medical & Graphic Inc Radiation image detector
JP2015015173A (en) * 2013-07-05 2015-01-22 株式会社豊田自動織機 Power storage device, and power storage device module
CN105390960A (en) * 2015-12-24 2016-03-09 安徽中电兴发与鑫龙科技股份有限公司 Pressure relief device for high-voltage switch cabinet
CN107275076A (en) * 2017-07-27 2017-10-20 深圳市创星信息科技有限公司 A kind of capacitor with explosion-proof heat sinking function
CN107680802A (en) * 2017-12-07 2018-02-09 益阳市鹏程科技发展有限公司 Capacitor heat radiation protection device
CN207116233U (en) * 2017-04-27 2018-03-16 莆田学院 A kind of heat resistant type capacitor
CN207199473U (en) * 2017-09-13 2018-04-06 天津翔驰电子有限公司 A kind of metal shell structure of capacitor batteries
CN107978821A (en) * 2017-11-26 2018-05-01 合肥国盛电池科技有限公司 A kind of explosion-protection equipment of lithium battery
CN208781717U (en) * 2018-08-27 2019-04-23 安远南佳盛电子科技有限公司 New type explosion proof patch type aluminium electrolutic capacitor
CN208806158U (en) * 2018-07-20 2019-04-30 安徽旭峰电容器有限公司 A kind of impulse capacitor
CN110085426A (en) * 2019-05-07 2019-08-02 安徽麦特电子股份有限公司 A kind of more interior high voltage film power capacitors of going here and there
CN210039933U (en) * 2019-06-04 2020-02-07 乐山一拉得电网自动化有限公司 Explosion-proof power capacitor

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201700093U (en) * 2010-01-20 2011-01-05 广州擎天实业有限公司 Capacitor explosion-proof box for rectifying device
JP2012083144A (en) * 2010-10-08 2012-04-26 Konica Minolta Medical & Graphic Inc Radiation image detector
JP2015015173A (en) * 2013-07-05 2015-01-22 株式会社豊田自動織機 Power storage device, and power storage device module
CN105390960A (en) * 2015-12-24 2016-03-09 安徽中电兴发与鑫龙科技股份有限公司 Pressure relief device for high-voltage switch cabinet
CN207116233U (en) * 2017-04-27 2018-03-16 莆田学院 A kind of heat resistant type capacitor
CN107275076A (en) * 2017-07-27 2017-10-20 深圳市创星信息科技有限公司 A kind of capacitor with explosion-proof heat sinking function
CN207199473U (en) * 2017-09-13 2018-04-06 天津翔驰电子有限公司 A kind of metal shell structure of capacitor batteries
CN107978821A (en) * 2017-11-26 2018-05-01 合肥国盛电池科技有限公司 A kind of explosion-protection equipment of lithium battery
CN107680802A (en) * 2017-12-07 2018-02-09 益阳市鹏程科技发展有限公司 Capacitor heat radiation protection device
CN208806158U (en) * 2018-07-20 2019-04-30 安徽旭峰电容器有限公司 A kind of impulse capacitor
CN208781717U (en) * 2018-08-27 2019-04-23 安远南佳盛电子科技有限公司 New type explosion proof patch type aluminium electrolutic capacitor
CN110085426A (en) * 2019-05-07 2019-08-02 安徽麦特电子股份有限公司 A kind of more interior high voltage film power capacitors of going here and there
CN210039933U (en) * 2019-06-04 2020-02-07 乐山一拉得电网自动化有限公司 Explosion-proof power capacitor

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