CN110797198A - Alternating current explosion-proof film capacitor filled with high-strength solid inside - Google Patents
Alternating current explosion-proof film capacitor filled with high-strength solid inside Download PDFInfo
- Publication number
- CN110797198A CN110797198A CN201910991111.6A CN201910991111A CN110797198A CN 110797198 A CN110797198 A CN 110797198A CN 201910991111 A CN201910991111 A CN 201910991111A CN 110797198 A CN110797198 A CN 110797198A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 53
- 239000007787 solid Substances 0.000 title claims abstract description 16
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000000741 silica gel Substances 0.000 claims description 23
- 229910002027 silica gel Inorganic materials 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 17
- 239000010408 film Substances 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 2
- 239000004593 Epoxy Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
Landscapes
- 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 an alternating current explosion-proof film capacitor filled with high-strength solids, which comprises an outer shell and an inner shell positioned in the outer shell, wherein the top end of the outer shell is provided with an outer cover part; and epoxy resin is filled between the bottom end of the outer shell and the bottom end of the inner shell. The capacitor is more stable and explosion-proof.
Description
Technical Field
The invention relates to the field of capacitors, in particular to an alternating current explosion-proof film capacitor filled with high-strength solids.
Background
The capacitor is very diverse depending on the dielectric, for example: electrolyte capacitors, paper capacitors, thin film capacitors, ceramic capacitors, mica capacitors, air capacitors, and the like. But are most frequently used in audio equipment, as are electrolytic capacitors and Film (Film) capacitors. A Film Capacitor (Film Capacitor) is also called a Plastic Film Capacitor (Plastic Film Capacitor). Which uses a plastic film as a dielectric. However, the capacitor is complex in use environment, some capacitors are not strong enough, and when the capacitor is used, the internal structure can be damaged due to collision or vibration. And the capacitor generates heat in the using process, and the danger of explosion of gas generated by the capacitor core is avoided.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides an alternating current explosion-proof film capacitor filled with high-strength solids.
The technical scheme is as follows: a film capacitor comprises an outer shell and an inner shell positioned in the outer shell, wherein the top end of the outer shell is provided with an outer cover part, the top end of the inner shell is provided with an inner cover part, a capacitor core is arranged in the inner shell, the capacitor core is connected with two electrodes, and two electrode columns are fixed at the outer cover part; and epoxy resin is filled between the bottom end of the outer shell and the bottom end of the inner shell.
Further, the lateral wall of shell body has a plurality of louvres, the lateral wall department cover of interior casing has the heat conduction silica gel cover of ring cylinder shape, the inboard butt of heat conduction silica gel cover the outside of interior casing, the lateral wall of heat conduction silica gel cover has a plurality of heat conduction silica gel archs, the quantity of heat conduction silica gel arch and the quantity of louvre equal and one-to-one, every heat conduction silica gel arch inserts one in the louvre.
Furthermore, 2 explosion-proof units are arranged at the inner cover part, and an induction container with an open bottom end is also arranged at the inner shell; the explosion-proof unit comprises a first pipe part and a second pipe part, the second pipe part is fixedly connected to the side surface of the first pipe part, the side surface of the first pipe part is also provided with a vent hole, and a rubber sealing unit is sealed at the vent hole; the electrode comprises an electrode column, a first pipe part and a second pipe part, wherein the first pipe part is internally provided with a fixed conductive column and a movable conductive column positioned above the fixed conductive column, the top end of the first pipe part is provided with a baffle plate, a compression spring is arranged between the movable conductive column and the baffle plate, the baffle plate is penetrated by the electrode column, the movable conductive column is fixedly connected with a conductive inserted rod, the bottom end of the electrode column is provided with a blind hole into which the conductive inserted rod is inserted, the conductive inserted rod is in contact with the blind hole of the electrode column and can conduct electricity, and each electrode is in conductive connection with the fixed conductive; the cross section of the first pipe part is rectangular, the cross section of the second pipe part is circular, the air holes and the second pipe part are positioned on two opposite side surfaces of the first pipe part, a piston part and a cylindrical sliding block connected with the piston part through a connecting column are arranged in the second pipe part, the sliding block is fixedly connected with an insulating plugboard, the fixed conductive column is fixedly connected with the first pipe part, the fixed conductive column and the first pipe part are sealed, the top end of the fixed conductive column and the bottom end of the movable conductive column both comprise cambered surfaces, the cambered surfaces of the fixed conductive column and the movable conductive column face the insulating plugboard, and along with the movement of the piston, the insulating plugboard can be inserted between the movable conductive column and the fixed conductive column and can be inserted into the air holes and puncture the rubber sealing unit; the inner cover part is provided with a first through hole and two second through holes, the bottom end of the induction container is connected with the first through hole, each second through hole is connected with the bottom end of the first pipe part of one explosion-proof unit, a fixed block is fixed at the top end of the induction container, and a piston of each explosion-proof unit is connected with the fixed block through a pull rope; the pipe wall of the second pipe is internally provided with an L-shaped connecting channel, the first end of the connecting channel is communicated with the space between the cambered surface of the fixed conductive column and the cambered surface of the movable conductive column, and the second end of the connecting channel is communicated with the space in the second pipe; when the insulating flashboard is not in contact with the movable conductive column, the sliding block is positioned between the second end of the connecting channel and the piston; when at least one part of the insulating inserting plate is inserted into the air hole, the piston is positioned between the sliding block and the second end of the connecting channel.
Furthermore, the sections of the blind holes of the conductive insertion rod and the electrode column are circular, and the outer diameter of the conductive insertion rod is equal to the diameter of the blind hole.
Further, the fixed conductive column and the first pipe portion are sealed through a sealant.
Further, the insulating flashboard is made of engineering plastics, and the end part, close to the first pipe part, of the insulating flashboard is in a sharp blade shape.
Further, the rubber sealing unit is a rubber sealing sheet; the rubber sealing sheet comprises a first sheet, a second sheet and a third sheet which is used for connecting the first sheet and the second sheet, wherein the first sheet and the second sheet are both planar, and the third sheet is arc-surface-shaped; the air holes are rectangular.
Further, the inside wall of shell body is fixed with ring shape limiting plate, still have the baffle in the shell body, the baffle with the limiting plate butt, the first pipe of two explosion-proof units all passes the baffle, it has epoxy to fill between outer cap and the baffle.
Further, the bottom end of the fixed conductive column is provided with a groove, and the electrode is inserted and fixed in the groove; the top end of the outer cover part is also provided with a reinforcing block which is penetrated by the electrode column and is fixedly connected with the electrode column and the outer cover part.
Further, epoxy resin is filled between the capacitor core and the inner shell.
Has the advantages that: compared with the prior art, the capacitor has the advantages of more novel structure, higher strength and better explosion-proof performance; the concrete points are as follows:
1) owing to set up the structure of inside and outside double shell to inside packing has epoxy, leads to inner structure more stable, thereby intensity is bigger, and is not fragile in operational environment such as vibrations.
2) Because the double explosion-proof structure of short circuit and pressure relief is arranged, the whole explosion-proof performance is better.
Drawings
FIG. 1 is a schematic diagram of a capacitor in normal use;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic diagram of the capacitor in explosion-proof, but only one rope may be broken in actual use;
fig. 4 is a partially enlarged view of fig. 3.
Detailed Description
Drawing chart marking: 1 an outer shell; 1.1 heat dissipation holes; 1.2 an outer cover part; 1.3 electrode columns; 1.4 reinforcing blocks; 1.5 heat-conducting silica gel sleeve; 1.6 heat-conducting silica gel bulges; 2.1 an inner shell; 2.2 inner cover part; 2.3 capacitor core; 2.4 electrodes; 2.5 annular limiting plates; 2.6 a separator; 3.1, 3.2, 3.3 epoxy resin; 4 a first tube; 4.1, air holes; 4.2 rubber sealing unit; 5, sensing the container; 5.1 fixing blocks; 5.2 pulling a rope; 6 a second tube; 6.1 connecting the channels; 7.1 a piston; 7.2 sliding blocks; 7.3 insulating plug boards; 8.1 fixing the conductive column; 8.2 movable conductive posts; 8.3 compressing the spring; 8.4 conductive plug-in poles; 8.5 baffle plate.
With reference to fig. 1-4, an ac explosion-proof film capacitor filled with high-strength solid inside is disclosed, which includes an outer casing 1 and an inner casing 2.1 located inside the outer casing 1, where the top end of the outer casing 1 has an outer cover portion 1.2, the top end of the inner casing 2.1 has an inner cover portion 2.2, the inner casing has a capacitor core 2.3 therein, the capacitor core 2.3 is connected with two electrodes 2.4, and two electrode posts 2.4 are fixed at the outer cover portion 1.2; and epoxy resin 3.1 is filled between the bottom end of the outer shell 1 and the bottom end of the inner shell. The outer side wall of the outer shell 1 is provided with a plurality of heat dissipation holes 1.1, the outer side wall of the inner shell 2.1 is sleeved with a circular cylindrical heat-conducting silica gel sleeve 1.5, the inner side of the heat-conducting silica gel sleeve 1.5 is abutted against the outer side of the inner shell, the side wall of the heat-conducting silica gel sleeve 1.5 is provided with a plurality of heat-conducting silica gel protrusions 1.6, the number of the heat-conducting silica gel protrusions 1.6 is equal to that of the heat dissipation holes, the heat-conducting silica gel protrusions correspond to the heat dissipation holes one by one, and each heat-conducting silica gel protrusion 1.6; epoxy resin is filled between the capacitor core 2.3 and the inner shell 2.1.
As shown in the figure, because set up outer casing 1 and interior casing 2.1, and it has epoxy to fill between the two to holistic intensity grow, and the inside of interior casing still is filled epoxy, thereby the inner structure is more stable. And the heat that the interior casing generates heat transmits to heat conduction silica gel cover, transmits to heat conduction silica gel arch, distributes away from the louvre. Thereby increasing the heat dissipation of the capacitor and reducing the risk of explosion.
2 explosion-proof units are arranged at the position of the inner cover part 2.2, and an induction container 5 with an open bottom end is also arranged at the position of the inner shell 2.1; the explosion-proof unit comprises a first pipe part 4 and a second pipe part 6, the second pipe part 6 is fixedly connected to the side surface of the first pipe part 4, the side surface of the first pipe part 4 is also provided with a vent hole 4.1, and a rubber sealing unit 4.2 is sealed at the vent hole 4.1; the first pipe part 4 is internally provided with a fixed conductive column 8.1 and a movable conductive column 8.2 positioned above the fixed conductive column 8.1, the top end of the first pipe part 4 is provided with a baffle 8.5, a compression spring 8.3 is arranged between the movable conductive column 8.2 and the baffle 8.5, the baffle is penetrated by the electrode column, the movable conductive column 8.2 is fixedly connected with a conductive inserted rod 8.4, the bottom end of the electrode column 1.3 is provided with a blind hole inserted by the conductive inserted rod 8.4, the conductive inserted rod 8.4 is contacted with the blind hole of the electrode column 1.3 and can conduct electricity, and each electrode 2.4 is in conductive connection with the fixed conductive column 8.1 of an explosion-proof unit; the cross section of the first pipe part 4 is rectangular, the cross section of the second pipe part 6 is circular, the air holes 4.1 and the second pipe part 6 are positioned on two opposite side surfaces of the first pipe part 4, a piston part 7.1 and a cylindrical sliding block 7.2 connected with the piston part 7.1 through a connecting column are arranged in the second pipe part 6, the sliding block 7.2 is fixedly connected with an insulating insertion plate 7.3, the fixed conductive column 8.1 is fixedly connected with the first pipe part 4 and is sealed between the fixed conductive column and the first pipe part, the top end of the fixed conductive column 8.1 and the bottom end of the movable conductive column 8.2 both comprise arc surfaces, the arc surfaces of the fixed conductive column and the movable conductive column both face the insulating insertion plate, and along with the movement of the piston 7.1, the insulating insertion plate 7.3 can be inserted between the movable conductive column 8.2 and the fixed conductive column 8.1 and can be inserted into the air holes and puncture the rubber sealing unit 4.2; the inner cover part is provided with a first through hole and two second through holes, the bottom end of the induction container 5 is connected with the first through hole, each second through hole is connected with the bottom end of the first pipe part of one explosion-proof unit, a fixed block 5.1 is fixed at the top end of the induction container, and a piston 7.1 of each explosion-proof unit is connected with the fixed block 5.1 through a pull rope 5.2; the pipe wall of the second pipe is internally provided with an L-shaped connecting channel, the first end of the connecting channel is communicated with the space between the cambered surface of the fixed conductive column and the cambered surface of the movable conductive column, and the second end of the connecting channel is communicated with the space in the second pipe; when the insulating flashboard is not in contact with the movable conductive column, the sliding block is positioned between the second end of the connecting channel and the piston; when at least one part of the insulating inserting plate is inserted into the air hole, the piston is positioned between the sliding block and the second end of the connecting channel.
The sections of the blind holes of the conductive inserted rod 8.4 and the electrode column 1.3 are circular, and the outer diameter of the conductive inserted rod 8.4 is equal to the diameter of the blind hole. The fixed conductive column 8.1 and the first pipe part 4 are sealed through a sealant. The insulating insertion plate 7.3 is made of engineering plastics, and the end part of the insulating insertion plate 7.3 close to the first pipe part 4 is in a sharp blade shape. The rubber sealing unit 4.2 is a rubber sealing sheet; the rubber sealing sheet comprises a first sheet, a second sheet and a third sheet which is used for connecting the first sheet and the second sheet, wherein the first sheet and the second sheet are both planar, and the third sheet is arc-surface-shaped; the air holes are rectangular. The inner side wall of the outer shell is fixedly provided with a ring-shaped limiting plate 2.5, a partition plate 2.6 is further arranged in the outer shell, the partition plate 2.5 is abutted to the limiting plate 2.6, the first pipes of the two explosion-proof units penetrate through the partition plate, and epoxy resin is filled between the outer cover and the partition plate. The bottom end of the fixed conductive column is provided with a groove, and the electrode is inserted and fixed in the groove; the top end of the outer cover part is also provided with a reinforcing block which is penetrated by the electrode column and is fixedly connected with the electrode column and the outer cover part.
The capacitor of the invention has the advantages that when the capacitor core generates heat to generate gas, the internal pressure is increased, when the pressure reaches one step, the pull rope is stretched and broken, and the piston moves under the push of air pressure, so that the insulating inserting plate is inserted between the movable conducting post and the fixed conducting post (the movable conducting post and the fixed conducting post with cambered surfaces enable the insulating inserting plate to be easily inserted between the movable conducting post and the fixed conducting post), the insulating inserting plate is inserted between the movable conducting post and the fixed conducting post, so that the movable conducting post and the fixed conducting post are broken, the power supply is cut off, the temperature is reduced, the insulating inserting plate continues to move, the rubber sealing gasket is punctured, the connecting channel enables the space in the second pipe to be communicated with the space between the movable conducting block, the fixed conducting block and the sliding block, and high-pressure gas flows out from the air vent, thereby realizing pressure relief, explosion prevention and being safer.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. An alternating current explosion-proof film capacitor filled with high-strength solids is characterized by comprising an outer shell and an inner shell positioned in the outer shell, wherein the top end of the outer shell is provided with an outer cover part, the top end of the inner shell is provided with an inner cover part, a capacitor core is arranged in the inner shell, the capacitor core is connected with two electrodes, and two electrode columns are fixed at the outer cover part; and epoxy resin is filled between the bottom end of the outer shell and the bottom end of the inner shell.
2. The AC explosion-proof thin film capacitor with the high-strength solid filled inside as claimed in claim 1, wherein the outer sidewall of the outer shell has a plurality of heat dissipation holes, the outer sidewall of the inner shell is sleeved with a heat-conducting silica gel sleeve in a circular cylindrical shape, the inner side of the heat-conducting silica gel sleeve is abutted to the outer side of the inner shell, the sidewall of the heat-conducting silica gel sleeve has a plurality of heat-conducting silica gel protrusions, the number of the heat-conducting silica gel protrusions and the number of the heat dissipation holes are equal and in one-to-one correspondence, and each heat-conducting silica gel protrusion is inserted into one of the.
3. An ac explosion-proof film capacitor filled with high-strength solid inside according to claim 1, wherein 2 explosion-proof units are provided at the inner cover part, and an induction container with an open bottom end is further provided at the inner housing; the explosion-proof unit comprises a first pipe part and a second pipe part, the second pipe part is fixedly connected to the side surface of the first pipe part, the side surface of the first pipe part is also provided with a vent hole, and a rubber sealing unit is sealed at the vent hole; the electrode comprises an electrode column, a first pipe part and a second pipe part, wherein the first pipe part is internally provided with a fixed conductive column and a movable conductive column positioned above the fixed conductive column, the top end of the first pipe part is provided with a baffle plate, a compression spring is arranged between the movable conductive column and the baffle plate, the baffle plate is penetrated by the electrode column, the movable conductive column is fixedly connected with a conductive inserted rod, the bottom end of the electrode column is provided with a blind hole into which the conductive inserted rod is inserted, the conductive inserted rod is in contact with the blind hole of the electrode column and can conduct electricity, and each electrode is in conductive connection with the fixed conductive; the cross section of the first pipe part is rectangular, the cross section of the second pipe part is circular, the air holes and the second pipe part are positioned on two opposite side surfaces of the first pipe part, a piston part and a cylindrical sliding block connected with the piston part through a connecting column are arranged in the second pipe part, the sliding block is fixedly connected with an insulating insertion plate, the fixed conductive column and the first pipe part are fixedly connected and sealed, the top end of the fixed conductive column and the bottom end of the movable conductive column both comprise cambered surfaces, the cambered surfaces of the fixed conductive column and the movable conductive column face the insulating insertion plate, and along with the movement of the piston, the insulating insertion plate can be inserted between the movable conductive column and the fixed conductive column and can be inserted into the air holes and puncture the rubber sealing unit; the inner cover part is provided with a first through hole and two second through holes, the bottom end of the induction container is connected with the first through hole, each second through hole is connected with the bottom end of the first pipe part of one explosion-proof unit, a fixed block is fixed at the top end of the induction container, and a piston of each explosion-proof unit is connected with the fixed block through a pull rope; the pipe wall of the second pipe is internally provided with an L-shaped connecting channel, the first end of the connecting channel is communicated with the space between the cambered surface of the fixed conductive column and the cambered surface of the movable conductive column, and the second end of the connecting channel is communicated with the space in the second pipe; when the insulating flashboard is not in contact with the movable conductive column, the sliding block is positioned between the second end of the connecting channel and the piston; when at least one part of the insulating inserting plate is inserted into the air hole, the piston is positioned between the sliding block and the second end of the connecting channel.
4. The ac explosion-proof thin-film capacitor with high strength solid filled inside according to claim 1, wherein the conductive inserted rod and the blind hole of the electrode column are circular in cross section, and the outer diameter of the conductive inserted rod is equal to the diameter of the blind hole.
5. The ac explosion-proof membrane capacitor with a high-strength solid filled inside according to claim 3, wherein the fixed conductive column and the first tube portion are sealed by a sealant.
6. An alternating current explosion-proof film capacitor with a high strength solid filled inside according to claim 3, wherein the insulating insert plate is made of engineering plastic, and the end of the insulating insert plate close to the first tube part is sharp-edged.
7. The ac explosion-proof thin-film capacitor with a high-strength solid filled inside according to claim 3, wherein the rubber sealing unit is a rubber sealing sheet; the rubber sealing sheet comprises a first sheet, a second sheet and a third sheet which is used for connecting the first sheet and the second sheet, wherein the first sheet and the second sheet are both planar, and the third sheet is arc-surface-shaped; the air holes are rectangular.
8. The alternating-current explosion-proof thin-film capacitor filled with the high-strength solid in the capacitor body according to claim 3, wherein a circular limiting plate is fixed on the inner side wall of the outer shell, a partition plate is further arranged in the outer shell and is abutted to the limiting plate, the first tubes of the two explosion-proof units penetrate through the partition plate, and epoxy resin is filled between the outer cover and the partition plate.
9. The ac explosion-proof thin film capacitor with a high strength solid filled inside according to claim 3, wherein the bottom end of the fixed conductive pillar has a groove, and the electrode is inserted and fixed in the groove; the top end of the outer cover part is also provided with a reinforcing block which is penetrated by the electrode column and is fixedly connected with the electrode column and the outer cover part.
10. The ac explosion-proof membrane capacitor with high strength solid filled inside according to claim 1, wherein epoxy resin is filled between the capacitor core and the inner case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991111.6A CN110797198B (en) | 2019-10-18 | 2019-10-18 | Alternating current explosion-proof film capacitor filled with high-strength solid inside |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991111.6A CN110797198B (en) | 2019-10-18 | 2019-10-18 | Alternating current explosion-proof film capacitor filled with high-strength solid inside |
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| Publication Number | Publication Date |
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| CN110797198A true CN110797198A (en) | 2020-02-14 |
| CN110797198B CN110797198B (en) | 2021-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284068A (en) * | 2021-12-27 | 2022-04-05 | 宣城市东科电器有限公司 | Explosion-proof structure of capacitor |
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|---|---|---|---|---|
| DE2931186A1 (en) * | 1979-08-01 | 1981-02-12 | Licentia Gmbh | EXPLOSION-SAFE ELECTRICAL CAPACITOR WITH SHUT-OFF PROTECTION |
| CN201490008U (en) * | 2009-09-07 | 2010-05-26 | 郑州伟华电子科技有限公司 | High-capacity explosion prevention capacitor |
| CN204884881U (en) * | 2015-09-15 | 2015-12-16 | 重庆米基德科技有限公司 | Electric capacitance |
| CN107731516A (en) * | 2017-09-26 | 2018-02-23 | 铜陵市凯瑞特电子有限公司 | A kind of impulse capacitor with thermal hole |
| CN109003819A (en) * | 2018-08-14 | 2018-12-14 | 东莞市悦顺电子科技有限公司 | A kind of noinductive capacitor of high insulation |
-
2019
- 2019-10-18 CN CN201910991111.6A patent/CN110797198B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2931186A1 (en) * | 1979-08-01 | 1981-02-12 | Licentia Gmbh | EXPLOSION-SAFE ELECTRICAL CAPACITOR WITH SHUT-OFF PROTECTION |
| CN201490008U (en) * | 2009-09-07 | 2010-05-26 | 郑州伟华电子科技有限公司 | High-capacity explosion prevention capacitor |
| CN204884881U (en) * | 2015-09-15 | 2015-12-16 | 重庆米基德科技有限公司 | Electric capacitance |
| CN107731516A (en) * | 2017-09-26 | 2018-02-23 | 铜陵市凯瑞特电子有限公司 | A kind of impulse capacitor with thermal hole |
| CN109003819A (en) * | 2018-08-14 | 2018-12-14 | 东莞市悦顺电子科技有限公司 | A kind of noinductive capacitor of high insulation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284068A (en) * | 2021-12-27 | 2022-04-05 | 宣城市东科电器有限公司 | Explosion-proof structure of capacitor |
| CN114284068B (en) * | 2021-12-27 | 2023-12-26 | 宣城市东科电器有限公司 | Explosion-proof structure of capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110797198B (en) | 2021-05-28 |
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