CN114765094B - Integrated safe explosion-proof capacitor - Google Patents
Integrated safe explosion-proof capacitor Download PDFInfo
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- CN114765094B CN114765094B CN202110049012.3A CN202110049012A CN114765094B CN 114765094 B CN114765094 B CN 114765094B CN 202110049012 A CN202110049012 A CN 202110049012A CN 114765094 B CN114765094 B CN 114765094B
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- shell
- explosion
- stitch
- cavity
- capacitor
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- 239000003990 capacitor Substances 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000004880 explosion Methods 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 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
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process 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
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect 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
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: the anti-explosion device comprises a shell, a core bag, a sealing body, a first stitch, a second stitch, a girdling structure, a containing cavity and an anti-explosion valve; the core is enclosed in the shell; the core bag is respectively connected with a first stitch and a second stitch; the sealing body is in butt joint with the shell girdle; the shell is provided with a girdling structure; the shell is close to one end provided with the explosion-proof valve to form a containing cavity by the corset structure. The invention has simple structure and reasonable design, provides the integrated safe explosion-proof capacitor, and forms the accommodating cavity at the position of the capacitor shell close to the tail end by arranging the beam waist structure at the position of the capacitor shell close to the tail end, thereby playing the roles of buffering, reducing air pressure, absorbing heat and resisting flame, realizing the purpose of explosion-proof absorption and liquid leakage, solving the problems of large occupied space, poor heat dissipation and flame retardance and poor explosion-proof stability of the traditional capacitor, and having 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 technology, electronic products are increasing, the demand of capacitors is also increasing, and the safety coefficient and quality requirements of the capacitors are also stricter. The capacitor is one of the electronic components used in a large amount in electronic equipment, so the capacitor is widely applied to the aspects of blocking, coupling, bypass, filtering, tuning loop, energy conversion, control circuit and the like, and the problems easily occur in the working process of the capacitor are as follows: the internal structure of the capacitor is a closed space, when the capacitor bears excessive voltage and current, the capacitor can rapidly generate heat, breakdown of the capacitor is easy to occur, 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 has no pressure buffering or reducing when broken, so that the spark plug effect is caused, the electrolyte is sprayed out to even cause ignition, and the ignition machine is caused when serious. Traditional capacitor case is integrated into one piece structurally, is fixed enclosure, and some prevent through the external explosion-proof housing, in the electrolyte blowout to the circuit board when explosion-proof gasket's the mode of condenser explosion, there is the complicated occupation space of structure big, and heat dissipation is fire-retardant poor, explosion-proof stability is poor problem.
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, and the position, close to the tail end, of the shell is provided with a containing cavity, so that the functions of buffering, reducing air pressure, absorbing heat and resisting flame are achieved, the purpose of explosion-proof absorption and leakage is achieved, and the problems that the 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.
The invention solves the technical problems by adopting the following technical scheme:
an integral type safety explosion-proof capacitor which characterized in that: the anti-explosion device comprises a shell, a core bag, a sealing body, a first stitch, a second stitch, a girdling structure, a containing cavity and an anti-explosion valve; the core is enclosed in the shell; the core bag is respectively connected with a first stitch and a second stitch; the sealing body is in butt joint with the shell girdle; the shell is provided with a girdling structure; the shell is close to one end provided with the explosion-proof valve to form a containing cavity by the corset structure.
Furthermore, the beam waist structure is obtained by annular concave deformation of the side wall of the shell from outside to inside.
Further, the specific position of the beam waist structure on the side wall of the shell is determined according to the length of the core package, and the tail ends of the core package, which are far away from the first stitch and the second stitch, are in contact and fixed with the beam waist structure.
Further, the containing cavity is formed by integrally forming the shell after passing through the girdling structure, 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 girdling structure is smaller than the inner diameter of the core bag.
Further, the beam waist structure is at least one of a through cavity or a gasket, or an insulating filler is arranged in the cavity.
The invention has the advantages and positive effects that:
According to the integrated safe explosion-proof capacitor, the waist-shaped 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 effects of buffering, reducing air pressure, absorbing heat and resisting flame are achieved, the purpose of explosion-proof absorption and leakage is achieved, the problems that the traditional capacitor is complex in explosion-proof structure, large in occupied space, poor in heat dissipation and flame resistance and poor in explosion-proof stability are solved, and the 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 the 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 view of a third embodiment of the present invention.
Reference numerals illustrate: 1. a housing; 2. a core pack; 3. a sealing body; 4. a first stitch; 5. a second stitch; 6. a corset structure; 7. a cavity; 8. a gasket; 9. an insulating filler; 10. an explosion-proof valve.
Detailed Description
Embodiments of the present invention will be described in further detail with reference to the accompanying drawings:
Example 1
As shown in fig. 1 to 5, the integrated safety explosion-proof capacitor of the present invention is characterized in that: the anti-explosion valve comprises a shell 1, a core bag 2, a sealing body 3, a first stitch 4, a second stitch 5, a waist-binding structure 6, a containing cavity 7 and an anti-explosion valve 10; the core pack 2 is encapsulated in the shell 1; the core bag 2 is respectively connected with a first stitch 4 and a second stitch 5; the sealing body 3 is in butt joint with the shell 1 in a girdling way; the shell 1 is provided with a girdling structure 6; the waist-binding structure 6 forms a containing cavity 7 at one end of the shell 1, which is close to the explosion-proof valve 10.
The shell 1 is an integrally formed aluminum shell, the other end of the shell 1 is provided with an explosion-proof valve 10, the length of the shell 1 is determined by the length of the core pack 2, and the inner diameter of the shell is matched with the outer diameter of the core pack 2. The shell 1 is provided with a girdle structure 6, and the girdle structure 6 forms a containing cavity 7 at one end of the shell 1, which is close to the explosion-proof valve 10. The corset structure 6 is formed by annular concave deformation of the side wall of the shell 1 from outside to inside. The corset structure 6 and the shell 1 are integrally formed, the shell 1 is divided into two parts by the corset structure 6, namely a capacitance layer and a cavity 7 for containing the core package 2. The capacitance 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 beam waist 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 in contact and fixed with the beam waist structure 6. When assembling and packaging, the sealing body 3 is inserted into the first pin 4 and the second pin 5 in the core package 2, and then the core package 2 is put into the shell 1 for packaging.
As shown in fig. 3, 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 the inner diameter of the shell 1, and the inner diameter of the girdling structure 6 is smaller than the inner diameter of the core bag 2. Because the inner diameter of the waist structure 6 is smaller than that of the core bag 2, the waist structure 6 can fix the end part of the core bag 2 and play a role in fixing the core bag 2. The corset structure 6 is provided with a through cavity 7, namely, a capacitor layer for containing the core bag 2 is communicated with the cavity 7, no shielding object exists, the cavity 7 is in an empty state, the cavity 7 plays a role in containing overflowed electrolyte, a buffer pressure releasing space is provided, when the air pressure is high, a part of air pressure is dispersed into the cavity 7, and the tension of air pressure expansion caused by high temperature in the capacitor can be relieved.
Example two
As shown in fig. 4, the casing 1 is an integrally formed aluminum casing, the explosion-proof valve 10 is arranged at the other end of the casing 1, the length of the casing 1 is determined by the length of the core pack 2, and the inner diameter of the casing is matched with the outer diameter of the core pack 2. The shell 1 is provided with a girdle structure 6, and the girdle structure 6 forms a containing cavity 7 at one end of the shell 1, which is close to the explosion-proof valve 10. The corset structure 6 is formed by annular concave deformation of the side wall of the shell 1 from outside to inside. The corset structure 6 and the shell 1 are integrally formed, the shell 1 is divided into two parts by the corset structure 6, namely a capacitance layer and a cavity 7 for containing the core package 2. The capacitance 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 beam waist 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 in contact and fixed with the beam waist structure 6. When assembling and packaging, the sealing body 3 is inserted into the first pin 4 and the second pin 5 in the core package 2, and then the core package 2 is put into the shell 1 for packaging.
As shown in fig. 4, 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 the inner diameter of the shell 1, and the inner diameter of the girdling structure 6 is smaller than the inner diameter of the core bag 2.
The waist-binding structure 6 is provided with a gasket 8, the gasket 8 is fixed under the extrusion of the waist-binding structure 6, a through hole is formed in the gasket 8, the gasket 8 is used for separating the capacitor layer of the core-containing bag 2 from the cavity 7, and the capacitor layer of the core-containing bag 2 is communicated with the cavity 7 through the through hole in the gasket 8, so that the air pressure is consistent. When the capacitor is subjected to high temperature and the evaporation pressure of the electrolyte in the capacitor is too high, part of the air pressure enters the accommodating cavity 7 through the through holes in the gasket 8, the effect of reducing the air pressure is achieved, and part of overflowed electrolyte enters the accommodating cavity 7 through the through holes in the gasket 8 and is accommodated. The gasket 8 blocks the core pack 2 at the girdling structure 6 to prevent the core pack 2 from moving and rubbing to puncture the aluminum foil to cause short circuit. Meanwhile, the gasket 8 transfers heat to the accommodating cavity 7 to play a role in absorbing heat and reducing temperature so as to prevent the explosion of the capacitor.
Example III
As shown in fig. 5, the casing 1 is an integrally formed aluminum casing, the explosion-proof valve 10 is arranged at the other end of the casing 1, the length of the casing 1 is determined by the length of the core pack 2, and the inner diameter of the casing is matched with the outer diameter of the core pack 2. The shell 1 is provided with a girdle structure 6, and the girdle structure 6 forms a containing cavity 7 at one end of the shell 1, which is close to the explosion-proof valve 10. The corset structure 6 is formed by annular concave deformation of the side wall of the shell 1 from outside to inside. The corset structure 6 and the shell 1 are integrally formed, the shell 1 is divided into two parts by the corset structure 6, namely a capacitance layer and a cavity 7 for containing the core package 2. The capacitance 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 beam waist 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 in contact and fixed with the beam waist structure 6. When assembling and packaging, the sealing body 3 is inserted into the first pin 4 and the second pin 5 in the core package 2, and then the core package 2 is put into the shell 1 for packaging.
As shown in fig. 5, 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 the inner diameter of the shell 1, and the inner diameter of the girdling structure 6 is smaller than the inner diameter of the core bag 2.
The beam waist structure 6 department set up insulating filler 9 for holding in the chamber 7, insulating filler 9 fixed setting in holding the chamber 7, form the buffer layer, insulating filler 9 receives the pressure extrusion shrink, play the effect of buffering decompression, insulating filler 9 can absorb the electrolyte that spills over simultaneously, prevent flowing into the circuit board, insulating filler 9 can conduction heat simultaneously, gives shell 1 with heat transfer, plays the explosion-proof fire-retardant effect of endothermic reduction atmospheric pressure, guarantees that the condenser possesses stable longer life.
It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the invention is not limited to the examples described in the detailed description, but rather falls within the scope of the invention as defined by other embodiments derived from the technical solutions of the invention by those skilled in the art.
Claims (4)
1. An integral type safety explosion-proof capacitor, its characterized in that: the anti-explosion device comprises a shell (1), a core bag (2), a sealing body (3), a first stitch (4), a second stitch (5), a waist-binding structure (6), a containing cavity (7) and an anti-explosion valve (10); the core bag (2) is encapsulated in the shell (1); the core bag (2) is respectively connected with a first stitch (4) and a second stitch (5); the sealing body (3) is in butt joint with the girdle of the shell (1); the shell (1) is provided with a girdling structure (6); the shell (1) is close to one end provided with an explosion-proof valve (10) by the corset structure (6) to form a containing cavity (7); the shell (1) is divided into two parts by the corset structure (6), namely a capacitance layer for containing the core bag (2) and a containing cavity (7); the capacitance layer is communicated with the capacitance cavity (7); 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 the inner diameter of the shell (1), and the inner diameter of the girdling structure (6) is smaller than the inner diameter of the core bag (2).
2. The integrated safety explosion-proof capacitor of claim 1, wherein: the corset structure (6) is formed by annular concave deformation of the side wall of the shell (1) from outside to inside.
3. The integrated safety explosion-proof capacitor of claim 1, wherein: the specific position of the beam waist 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 in contact fixation with the beam waist structure (6).
4. The integrated safety explosion-proof capacitor of claim 1, wherein: the waist structure (6) is provided with at least one of a through accommodating cavity (7) or a gasket (8) or an insulating filler (9) arranged in the accommodating 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 CN114765094A (en) | 2022-07-19 |
| CN114765094B true 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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| CN (1) | CN114765094B (en) |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114765094A (en) | 2022-07-19 |
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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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