CN114765094A - Integrated safety explosion-proof capacitor - Google Patents
Integrated safety explosion-proof capacitor Download PDFInfo
- Publication number
- CN114765094A CN114765094A CN202110049012.3A CN202110049012A CN114765094A CN 114765094 A CN114765094 A CN 114765094A CN 202110049012 A CN202110049012 A CN 202110049012A CN 114765094 A CN114765094 A CN 114765094A
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- shell
- explosion
- proof
- capacitor
- pin
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- 239000003990 capacitor Substances 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention relates to an integrated safe explosion-proof capacitor, which is characterized in that: comprises a shell, a core bag, a sealing body, a first pin, a second pin, a girdling structure, a containing cavity and an explosion-proof valve; the core package is packaged in the shell; the core bag is respectively connected with a first pin and a second pin; the sealing body is butted with the waist of the shell; the shell is provided with a waist structure; the beam waist structure forms a containing cavity at one end of the shell close to the explosion-proof valve. The invention has simple structure and reasonable design, provides the integrated safe explosion-proof capacitor, forms the containing cavity at the position close to the tail end of the shell of the capacitor by arranging the waist structure at the position close to the tail end of the shell of the capacitor, plays the roles of buffering and reducing air pressure, absorbing heat and resisting flame, realizes the aim of explosion-proof and absorbing leakage, solves the problems of complex explosion-proof structure, large occupied space, poor heat dissipation and flame retardance and poor explosion-proof stability of the traditional capacitor, and has great popularization value and practicability.
Description
Technical Field
The invention belongs to the field of capacitors, and particularly relates to an integrated safe explosion-proof capacitor.
Background
With the continuous progress of science and technology, electronic products are more and more, the demand of the capacitor is also more and more big, and the factor of safety and the quality requirement of capacitor are also stricter. The capacitor is one of the electronic components used in a large number of electronic devices, so that the capacitor is widely applied to aspects such as blocking, coupling, bypassing, filtering, tuning loop, energy conversion, control circuit and the like, and the capacitor has the following problems in the working process: the internal structure of the capacitor is a closed space, and when the capacitor bears voltage and current, the capacitor can rapidly generate heat, so that the capacitor is easy to break down, or the internal pressure of the electrolyte vaporization capacitor is increased, so that the explosion failure of the capacitor causes potential safety hazards. The common capacitor is not buffered or reduced in pressure when being broken, so that the spark plug effect is caused, the electrolyte is sprayed out and even can be ignited, and a fire machine can be caused in serious cases. Traditional capacitor case is structurally integrated into one piece, and for fixed enclosure space, some through plus explosion-proof housing, during electrolyte blowout circuit board when explosion-proof gasket's mode prevents the condenser explosion, it is big to have the complicated occupation space of structure, and the fire-retardant difference of heat dissipation, the problem of explosion-proof poor stability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an integrated safe explosion-proof capacitor, wherein a beam waist structure is arranged at the position, close to the tail end, of a capacitor shell, a containing cavity is formed at the position, close to the tail end, of the shell, so that the functions of buffering and reducing air pressure, absorbing heat and resisting flame are achieved, the aim of preventing explosion and absorbing leakage is achieved, and the problems of complex explosion-proof structure, large occupied space, poor heat dissipation and flame retardance and poor explosion-proof stability of the traditional capacitor are solved.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides an integral type safety explosion-proof capacitor which characterized in that: comprises a shell, a core bag, a sealing body, a first pin, a second pin, a girdling structure, a containing cavity and an explosion-proof valve; the core bag is encapsulated in the shell; the core bag is respectively connected with a first pin and a second pin; the sealing body is butted with the waist of the shell; the shell is provided with a waist structure; the beam waist structure forms a containing cavity at one end of the shell close to the explosion-proof valve.
Furthermore, the corset structure is obtained by the deformation of the side wall of the shell from outside to inside in an annular concave shape.
Furthermore, the specific position of the girdling structure on the side wall of the shell is determined according to the length of the core bag, and the tail ends of the core bag, which are far away from the first pins and the second pins, are fixed in a manner of being abutted against the girdling structure.
Furthermore, the containing cavity is formed by the shell through the waist binding structure and then is formed integrally, the containing cavity and the shell are integrated, the inner diameter of the containing cavity is consistent with the inner diameter of the shell, and the inner diameter of the waist binding structure is smaller than that of the core bag.
Furthermore, the beam waist structure is at least one of a through cavity, a gasket or an insulating filler arranged in the cavity.
The invention has the advantages and positive effects that:
according to the integrated safe explosion-proof capacitor, the waist structure is arranged at the position, close to the tail end, of the capacitor shell, the cavity is formed at the position, close to the tail end, of the shell, the functions of buffering and reducing air pressure, absorbing heat and resisting flame are achieved, the purposes of explosion prevention and absorption and leakage liquid are achieved, the problems that a traditional capacitor is complex in explosion-proof structure, large in occupied space, poor in heat dissipation and flame retardance and poor in explosion-proof stability are solved, and the integrated safe explosion-proof capacitor has great popularization value and practicability.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of an assembled perspective structure of the present invention.
Fig. 3 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.
The reference numbers indicate: 1. a housing; 2. a core package; 3. a sealing body; 4. a first pin; 5. a second pin; 6. a corset structure; 7. a housing chamber; 8. a gasket; 9. an insulating filler; 10. an explosion-proof valve.
Detailed Description
The embodiments of the invention will be described in further detail with reference to the accompanying drawings:
example one
As shown in fig. 1-5, the integrated safety explosion-proof capacitor of the present invention is characterized in that: comprises a shell 1, a core bag 2, a sealing body 3, a first stitch 4, a second stitch 5, a girdling structure 6, a containing cavity 7 and an explosion-proof valve 10; the core bag 2 is encapsulated in the shell 1; the core bag 2 is respectively connected with a first pin 4 and a second pin 5; the sealing body 3 is butted with the beam waist of the shell 1; the shell 1 is provided with a waist structure 6; the beam waist structure 6 forms a cavity 7 at one end of the shell 1 close to the explosion-proof valve 10.
The shell 1 is the integrated into one piece aluminum hull, and the other end of shell 1 is provided with explosion-proof valve 10, and the length of shell 1 is decided by the length of core package 2, and the internal diameter size of shell and the external diameter size phase-match of core package 2. The shell 1 is provided with a girdling structure 6, and the girdling structure 6 forms a containing cavity 7 at one end of the shell 1 close to the end provided with the explosion-proof valve 10. The corset structure 6 is obtained by the deformation of the side wall of the shell 1 from outside to inside in an annular concave shape. The girdling structure 6 and the shell 1 are integrally formed, and the shell 1 is divided into two parts by the girdling structure 6, namely a capacitor layer and an accommodating cavity 7 for accommodating the core bag 2. The capacitor layer is communicated with the cavity 7, and the joint of the two parts is a beam waist structure 6.
The specific position of the corset structure 6 on the side wall of the shell 1 is determined according to the length of the core bag 2, and the tail ends of the core bag 2 far away from the first stitch 4 and the second stitch 5 are fixed in a contact manner with the corset structure 6. When assembling and packaging, the sealing body 3 is inserted into the first stitch 4 and the second stitch 5 in the core bag 2, and then the core bag 2 is inserted into the shell 1 for packaging.
As shown in fig. 3, the cavity 7 is formed by integrally molding the housing 1 after passing through the waist structure 6, the cavity 7 and the housing 1 are integrated, the inner diameter of the cavity 7 is the same as the inner diameter of the housing 1, and the inner diameter of the waist structure 6 is smaller than the inner diameter of the core package 2. Since the inner diameter of the waist structure 6 is smaller than the inner diameter of the core pack 2, the waist structure 6 can fix the end of the core pack 2 and play a role in fixing the core pack 2. The corset structure 6 department for directly holding chamber 7, be the electric capacity layer of splendid attire core package 2 and hold intercommunication between the chamber 7 promptly, do not have the shelter from the thing, be in the vacant state in holding chamber 7, hold chamber 7 this moment and play the effect of accomodating the electrolyte that overflows to and provide the space of buffering pressure of letting out, when atmospheric pressure was high, some atmospheric pressure will disperse to holding chamber 7, can slow down the inside tension that leads to atmospheric pressure inflation because of high temperature of condenser.
Example two
As shown in fig. 4, the housing 1 is an integrally formed aluminum housing, the explosion-proof valve 10 is disposed at the other end of the housing 1, the length of the housing 1 is determined by the length of the core pack 2, and the inner diameter of the housing is matched with the outer diameter of the core pack 2. The shell 1 is provided with a girdling structure 6, and the girdling structure 6 forms a containing cavity 7 at one end of the shell 1 close to the end provided with the explosion-proof valve 10. The corset structure 6 is obtained by the deformation of the side wall of the shell 1 from outside to inside in an annular concave shape. The girdling structure 6 and the shell 1 are integrally formed, and the shell 1 is divided into two parts by the girdling structure 6, namely a capacitor layer and an accommodating cavity 7 for accommodating the core bag 2. The capacitance layer is communicated with the cavity 7, and the junction of the two parts is a beam waist structure 6.
The specific position of the girdling structure 6 on the side wall of the shell 1 is determined according to the length of the core bag 2, and the tail ends of the core bag 2, which are far away from the first stitch 4 and the second stitch 5, are fixed in a manner of being abutted against the girdling structure 6. When assembling and packaging, the sealing body 3 is inserted into the first stitch 4 and the second stitch 5 in the core bag 2, and then the core bag 2 is inserted into the shell 1 for packaging.
As shown in fig. 4, the cavity 7 is formed by integrally molding the housing 1 after passing through the waist structure 6, the cavity 7 and the housing 1 are integrated, the inner diameter of the cavity 7 is the same as the inner diameter of the housing 1, and the inner diameter of the waist structure 6 is smaller than the inner diameter of the core package 2.
The girdling structure 6 department for setting up gasket 8, gasket 8 is fixed under the extrusion of girdling structure 6, has the through-hole in the gasket 8, gasket 8 separates the electric capacity layer of splendid attire core package 2 and holds between the chamber 7, the electric capacity layer of splendid attire core package 2 and hold and have the through-hole intercommunication in the chamber 7 through the gasket 8 for atmospheric pressure is unanimous. When the capacitor receives high temperature, when inside electrolyte evaporation atmospheric pressure was too high, partial atmospheric pressure entered into through-hole in gasket 8 and held chamber 7, played the effect that reduces atmospheric pressure, and the electrolyte that the part spilled over gets into to hold chamber 7 through the through-hole in gasket 8 and is accomodate. The gasket 8 blocks the core package 2 at the girdling structure 6, and prevents the core package 2 from moving, rubbing and piercing through the aluminum foil to cause short circuit. Meanwhile, the gasket 8 transfers heat to the accommodating cavity 7, so that the effects of absorbing heat and reducing temperature are achieved, and the capacitor is prevented from exploding.
EXAMPLE III
As shown in fig. 5, the outer casing 1 is an integrally formed aluminum casing, the explosion-proof valve 10 is arranged at the other end of the outer casing 1, the length of the outer casing 1 is determined by the length of the core bag 2, and the inner diameter of the outer casing is matched with the outer diameter of the core bag 2. The shell 1 is provided with a girdling structure 6, and the girdling structure 6 forms a containing cavity 7 at one end of the shell 1 close to the end provided with the explosion-proof valve 10. The corset structure 6 is obtained by annular concave deformation from outside to inside through the side wall of the shell 1. The girdling structure 6 and the shell 1 are integrally formed, and the shell 1 is divided into two parts by the girdling structure 6, namely a capacitor layer and an accommodating cavity 7 for accommodating the core bag 2. The capacitance layer is communicated with the cavity 7, and the junction of the two parts is a beam waist structure 6.
The specific position of the corset structure 6 on the side wall of the shell 1 is determined according to the length of the core bag 2, and the tail ends of the core bag 2 far away from the first stitch 4 and the second stitch 5 are fixed in a contact manner with the corset structure 6. When assembling and packaging, the sealing body 3 is inserted into the first stitch 4 and the second stitch 5 in the core bag 2, and then the core bag 2 is inserted into the shell 1 for packaging.
As shown in fig. 5, the cavity 7 is formed by integrally molding the housing 1 after passing through the waist structure 6, the cavity 7 and the housing 1 are integrated, the inner diameter of the cavity 7 is the same as the inner diameter of the housing 1, and the inner diameter of the waist structure 6 is smaller than the inner diameter of the core package 2.
The beam waist structure 6 department set up insulating filler 9 for holding in the chamber 7, insulating filler 9 fixed the setting in holding chamber 7, form the buffer layer, insulating filler 9 receives pressure extrusion shrink, plays the effect of buffering decompression, insulating filler 9 can absorb the electrolyte that overflows simultaneously, prevent to flow in the circuit board, insulating filler 9 can the conduction heat simultaneously, give shell 1 with the heat transmission, play the explosion-proof fire-retardant effect of heat absorption reduction atmospheric pressure, guarantee that the condenser possesses stable longer life.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (5)
1. The utility model provides an integral type safety explosion-proof capacitor which characterized in that: comprises a shell (1), a core bag (2), a sealing body (3), a first pin (4), a second pin (5), a girdling structure (6), a containing cavity (7) and an explosion-proof valve (10); the core bag (2) is encapsulated in the shell (1); the core bag (2) is respectively connected with a first pin (4) and a second pin (5); the sealing body (3) is butted with the beam waist of the shell (1); the shell (1) is provided with a waist structure (6); the beam waist structure (6) enables one end, close to the explosion-proof valve (10), of the shell (1) to form a containing cavity (7).
2. The integrated safety explosion-proof capacitor as set forth in claim 1, wherein: the corset structure (6) is obtained by annular concave deformation from outside to inside through the side wall of the shell (1).
3. The integrated safety explosion-proof capacitor as set forth in claim 1, wherein: the specific position of the girdling structure (6) on the side wall of the shell (1) is determined according to the length of the core bag (2), and the tail ends of the core bag (2) far away from the first pins (4) and the second pins (5) are in contact with and fixed with the girdling structure (6).
4. The integrated safety explosion-proof capacitor as set forth in claim 1, wherein: the cavity (7) is formed by integrally forming the shell (1) through the girdling structure (6), the cavity (7) and the shell (1) are integrated, the inner diameter of the cavity (7) is consistent with that of the shell (1), and the inner diameter of the girdling structure (6) is smaller than that of the core bag (2).
5. The integrated safety explosion-proof capacitor as set forth in claim 1, wherein: the beam waist structure (6) is at least one of a through cavity (7) or a gasket (8) or an insulating filler (9) arranged in the cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110049012.3A CN114765094B (en) | 2021-01-14 | 2021-01-14 | Integrated safe explosion-proof capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110049012.3A CN114765094B (en) | 2021-01-14 | 2021-01-14 | Integrated safe explosion-proof capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114765094A true CN114765094A (en) | 2022-07-19 |
| CN114765094B CN114765094B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110049012.3A Active CN114765094B (en) | 2021-01-14 | 2021-01-14 | Integrated safe explosion-proof capacitor |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291291A (en) * | 1970-05-29 | 1972-10-04 | British Insulated Callenders | Capacitors |
| EP0021522A1 (en) * | 1979-06-22 | 1981-01-07 | North American Philips Corporation | Explosionproof capacitor |
| JPH0513289A (en) * | 1991-07-04 | 1993-01-22 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor |
| CN106575579A (en) * | 2014-08-22 | 2017-04-19 | 日本贵弥功株式会社 | Capacitor and manufacturing method therefor |
| CN206134491U (en) * | 2016-05-10 | 2017-04-26 | 湖南艾华集团股份有限公司 | Condenser that packing paper punched |
| CN209843508U (en) * | 2019-05-30 | 2019-12-24 | 湖南艾华集团股份有限公司 | Aluminum electrolytic capacitor with directional explosion-proof device |
| CN214254138U (en) * | 2021-01-14 | 2021-09-21 | 丰宾电子（深圳）有限公司 | Integrated safety explosion-proof capacitor |
-
2021
- 2021-01-14 CN CN202110049012.3A patent/CN114765094B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291291A (en) * | 1970-05-29 | 1972-10-04 | British Insulated Callenders | Capacitors |
| EP0021522A1 (en) * | 1979-06-22 | 1981-01-07 | North American Philips Corporation | Explosionproof capacitor |
| JPH0513289A (en) * | 1991-07-04 | 1993-01-22 | Matsushita Electric Ind Co Ltd | Aluminum electrolytic capacitor |
| CN106575579A (en) * | 2014-08-22 | 2017-04-19 | 日本贵弥功株式会社 | Capacitor and manufacturing method therefor |
| CN206134491U (en) * | 2016-05-10 | 2017-04-26 | 湖南艾华集团股份有限公司 | Condenser that packing paper punched |
| CN209843508U (en) * | 2019-05-30 | 2019-12-24 | 湖南艾华集团股份有限公司 | Aluminum electrolytic capacitor with directional explosion-proof device |
| CN214254138U (en) * | 2021-01-14 | 2021-09-21 | 丰宾电子（深圳）有限公司 | Integrated safety explosion-proof capacitor |
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| Publication number | Publication date |
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| CN114765094B (en) | 2024-05-03 |
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Address after: 518106 workshop A102 (No. 4132, Songbai Road), Fengbin Industrial Park, Tangwei community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Applicant after: Fengbin Electronic Technology Co.,Ltd. Address before: 518106 workshop A102 (No. 4132, Songbai Road), Fengbin Industrial Park, Tangwei community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Applicant before: CAPXON ELECTRONIC (SHEN ZHEN) Co.,Ltd. |
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