CN106158368A - A kind of capacitor and encapsulating method - Google Patents
A kind of capacitor and encapsulating method Download PDFInfo
- Publication number
- CN106158368A CN106158368A CN201610637946.8A CN201610637946A CN106158368A CN 106158368 A CN106158368 A CN 106158368A CN 201610637946 A CN201610637946 A CN 201610637946A CN 106158368 A CN106158368 A CN 106158368A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- capacitor
- heat
- housing
- sink shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 239000000741 silica gel Substances 0.000 claims abstract description 13
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 229910000679 solder Inorganic materials 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 3
- 206010016766 flatulence Diseases 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 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
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention discloses a kind of capacitor and encapsulating method, including housing, capacitor core module, lead-in wire and cover plate, a cover plate it is sealed and installed with in case top, housing is provided with an inner chamber, being provided with a capacitor core module being made up of capacitor core unit in inner chamber, cover plate is provided with multilayer rubber sealing plate, housing is wrapped in one layer of insulation film for one week, it is provided with a heat-sink shell in insulation film, between insulation film and heat-sink shell, is filled with insulating cement fat.It is equipped with several grooves on the upper and lower pole plate of the present invention and connects heat-sink shell through cavity, substantially increase the heat dispersion of capacitor, and be all tightly connected by heat-proof combustion-resistant silica gel is seamless between housing and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet, multi-sealed, solve the problem of the easy temperature influence of solder joint in traditional welding Sealing Technology, sealing is high, uses safety, improves the service life of capacitor.
Description
Technical field
The present invention relates to a kind of capacitor and encapsulating method.
Background technology
At present, electric capacity is called in the generally letter of existing capacitor, is " container of dress electricity ", is a kind of device accommodating electric charge
Part.Electric capacity is one of a large amount of electronic components used in electronic equipment, be widely used in circuit every straight-through friendship, coupling,
Bypass, filters, resonant tank, the aspects such as energy is changed, control.One layer of lid is installed between capacitor body and external environment
Plate, inside sealed capacitor, prevents from contacting with external environment, is also used for mounting and dismounting capacitor, but capacitor is subject to
The change of temperature is obvious, such as expands with heat and contract with cold, and therefore cover plate gap will occur with shell, prior art capacitor close
Encapsulation method mainly uses the method for welding, then increases encapsulant on pad and cover plate and strengthens sealing, but
Owing to welding process there will be the phenomenons such as solder joint rosin joint, and solder joint by temperature change clearly, therefore can cause
The sealing of capacitor reduces, and causes the security incidents such as electric leakage.
Therefore, in order to solve the problem of above-mentioned existence, spy of the present invention provides a kind of new technology.
Summary of the invention
It is an object of the invention to provide the high capacitor of a kind of sealing and encapsulating method.
The present invention is directed to above-mentioned technological deficiency be the technical scheme is that
A kind of capacitor and encapsulating method, including housing, capacitor core module, lead-in wire and cover plate, close in described case top
Envelope is provided with a cover plate, is provided with an inner chamber, is provided with a capacitance core being made up of capacitor core unit in inner chamber in described housing
Submodule, described capacitor core module top connects top crown, and described capacitor core module bottom connects bottom crown, upper and lower pole
Plate leads to two lead-in wires respectively, and described cover plate is provided with multilayer rubber sealing plate, and described housing is wrapped in one layer for one week absolutely
Edge thin film, is provided with a heat-sink shell, is filled with insulating cement fat between described insulation film and heat-sink shell in described insulation film.
Further, a cavity it is provided with between described heat-sink shell and inner chamber.
Further, upper and lower pole plate is equipped with several grooves and connects heat-sink shell through cavity.
Further, heat-proof combustion-resistant is all passed through between housing and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet
Silica gel is seamless to be tightly connected.
Encapsulating method between housing and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet comprises the steps of
A, with the volatile solvent such as ethanol or propanol clean for the surface clean needing seal member；
B, until solvent volatilize after, heat-proof combustion-resistant silica gel is coated uniformly on the surface of parts, coating thickness is 0.5-1.5mm；
C, after vulcanizing, coating standard according still further to step b is coated with the second layer；
D, gluing is dried 5-10min, then will carry out between housing and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet
Pressurize bonding.
The invention has the beneficial effects as follows: be equipped with several grooves on the upper and lower pole plate of the present invention and connect heat absorption through cavity
Layer, substantially increases the heat dispersion of capacitor, the space providing certain of expanding with heat and contract with cold being set to inner chamber of cavity, and shell
All it is tightly connected by heat-proof combustion-resistant silica gel is seamless between body and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet,
Multi-sealed, solve the problem of the easy temperature influence of solder joint in traditional welding Sealing Technology, sealing is high, uses safety, carries
The high service life of capacitor.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Wherein: 1, housing, 2, capacitor core module, 3, top crown, 4, bottom crown, 5, lead-in wire, 6, cover plate, 7, insulating cement
Fat, 8, insulation film, 9, heat-sink shell, 10, cavity, 11, groove, 12, rubber gasket sheet, 101, inner chamber.
Detailed description of the invention
Embodiment 1
A kind of capacitor as shown in Figure 1 and encapsulating method, including housing 1, capacitor core module 2, lead-in wire 5 and cover plate 6, shell
Body 1 sealed on top is provided with a cover plate 6, is provided with an inner chamber 101 in housing 1, is provided with one by capacitor core list in inner chamber 101
The capacitor core module 2 of unit's composition, capacitor core module 2 top connects top crown 3, and capacitor core module 2 bottom connects lower pole
Plate 4, upper and lower pole plate 3,4 leads to two lead-in wires 5 respectively, and cover plate 6 is provided with multilayer rubber sealing plate 12,1 one weeks bags of housing
Wrap up in one layer of insulation film 8, be provided with a heat-sink shell 9 in insulation film 8, between insulation film 8 and heat-sink shell 9, be filled with insulating cement
Fat 7.
Wherein, between heat-sink shell 9 and inner chamber 101, it is provided with a cavity 10, for the sky providing certain that expands with heat and contract with cold of inner chamber 101
Between, decrease inner chamber 101 and expand with heat and contract with cold the pressure to housing 1, upper and lower pole plate 3,4 is equipped with several grooves 11 through sky
Chamber 10 connects heat-sink shell 9, and by groove 11, the heat produced in inner chamber 101 is dispersed into heat-sink shell 9, reduces inner chamber 101 flatulence of heat type
The degree of shrinkage, substantially increases the heat dispersion of capacitor.
It addition, all by resistance to thermal resistance between housing 1 and cover plate 6, rubber gasket sheet 12 and cover plate 6 and rubber gasket sheet 12
Silica gel is seamless is tightly connected in combustion, and its encapsulating method comprises the steps of
A, with the volatile solvent such as ethanol or propanol clean for the surface clean needing seal member；
B, until solvent volatilize after, heat-proof combustion-resistant silica gel is coated uniformly on the surface of parts, coating thickness is 0.5mm；
C, after vulcanizing, coating standard according still further to step b is coated with the second layer；
D, gluing is dried 5min, then by between housing 1 and cover plate 6, rubber gasket sheet 12 and cover plate 6 and rubber gasket sheet 12
Carry out pressurizeing bonding.
Embodiment 2
A kind of capacitor as shown in Figure 1 and encapsulating method, including housing 1, capacitor core module 2, lead-in wire 5 and cover plate 6, shell
Body 1 sealed on top is provided with a cover plate 6, is provided with an inner chamber 101 in housing 1, is provided with one by capacitor core list in inner chamber 101
The capacitor core module 2 of unit's composition, capacitor core module 2 top connects top crown 3, and capacitor core module 2 bottom connects lower pole
Plate 4, upper and lower pole plate 3,4 leads to two lead-in wires 5 respectively, and cover plate 6 is provided with multilayer rubber sealing plate 12,1 one weeks bags of housing
Wrap up in one layer of insulation film 8, be provided with a heat-sink shell 9 in insulation film 8, between insulation film 8 and heat-sink shell 9, be filled with insulating cement
Fat 7.
Wherein, between heat-sink shell 9 and inner chamber 101, it is provided with a cavity 10, for the sky providing certain that expands with heat and contract with cold of inner chamber 101
Between, decrease inner chamber 101 and expand with heat and contract with cold the pressure to housing 1, upper and lower pole plate 3,4 is equipped with several grooves 11 through sky
Chamber 10 connects heat-sink shell 9, and by groove 11, the heat produced in inner chamber 101 is dispersed into heat-sink shell 9, reduces inner chamber 101 flatulence of heat type
The degree of shrinkage, substantially increases the heat dispersion of capacitor.
It addition, all by resistance to thermal resistance between housing 1 and cover plate 6, rubber gasket sheet 12 and cover plate 6 and rubber gasket sheet 12
Silica gel is seamless is tightly connected in combustion, and its encapsulating method comprises the steps of
A, with the volatile solvent such as ethanol or propanol clean for the surface clean needing seal member；
B, until solvent volatilize after, heat-proof combustion-resistant silica gel is coated uniformly on the surface of parts, coating thickness is 1mm；
C, after vulcanizing, coating standard according still further to step b is coated with the second layer；
D, gluing is dried 8min, then by between housing 1 and cover plate 6, rubber gasket sheet 12 and cover plate 6 and rubber gasket sheet 12
Carry out pressurizeing bonding.
Embodiment 3
A kind of capacitor as shown in Figure 1 and encapsulating method, including housing 1, capacitor core module 2, lead-in wire 5 and cover plate 6, shell
Body 1 sealed on top is provided with a cover plate 6, is provided with an inner chamber 101 in housing 1, is provided with one by capacitor core list in inner chamber 101
The capacitor core module 2 of unit's composition, capacitor core module 2 top connects top crown 3, and capacitor core module 2 bottom connects lower pole
Plate 4, upper and lower pole plate 3,4 leads to two lead-in wires 5 respectively, and cover plate 6 is provided with multilayer rubber sealing plate 12,1 one weeks bags of housing
Wrap up in one layer of insulation film 8, be provided with a heat-sink shell 9 in insulation film 8, between insulation film 8 and heat-sink shell 9, be filled with insulating cement
Fat 7.
Wherein, between heat-sink shell 9 and inner chamber 101, it is provided with a cavity 10, for the sky providing certain that expands with heat and contract with cold of inner chamber 101
Between, decrease inner chamber 101 and expand with heat and contract with cold the pressure to housing 1, upper and lower pole plate 3,4 is equipped with several grooves 11 through sky
Chamber 10 connects heat-sink shell 9, and by groove 11, the heat produced in inner chamber 101 is dispersed into heat-sink shell 9, reduces inner chamber 101 flatulence of heat type
The degree of shrinkage, substantially increases the heat dispersion of capacitor.
It addition, all by resistance to thermal resistance between housing 1 and cover plate 6, rubber gasket sheet 12 and cover plate 6 and rubber gasket sheet 12
Silica gel is seamless is tightly connected in combustion, and its encapsulating method comprises the steps of
A, with the volatile solvent such as ethanol or propanol clean for the surface clean needing seal member；
B, until solvent volatilize after, heat-proof combustion-resistant silica gel is coated uniformly on the surface of parts, coating thickness is 1.5mm；
C, after vulcanizing, coating standard according still further to step b is coated with the second layer；
D, gluing is dried 10min, then by housing 1 and cover plate 6, rubber gasket sheet 12 and cover plate 6 and rubber gasket sheet 12 it
Between carry out pressurizeing bonding.
The invention has the beneficial effects as follows: be equipped with several grooves on the upper and lower pole plate of the present invention and connect heat absorption through cavity
Layer, substantially increases the heat dispersion of capacitor, and housing and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet it
Between be all tightly connected by heat-proof combustion-resistant silica gel is seamless, multi-sealed, solve solder joint in traditional welding Sealing Technology and be easily subject to
The problem of temperature impact, sealing is high, uses safety, improves the service life of capacitor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (5)
1. capacitor and an encapsulating method, including housing, capacitor core module, lead-in wire and cover plate, in described case top
It is sealed and installed with a cover plate, described housing is provided with an inner chamber, inner chamber is provided with the electric capacity being made up of capacitor core unit
Fuse module, described capacitor core module top connects top crown, and described capacitor core module bottom connects bottom crown, upper and lower
Pole plate leads to two lead-in wires respectively, it is characterised in that: multilayer rubber sealing plate, described housing one week are installed on described cover plate
It is wrapped in one layer of insulation film, is provided with a heat-sink shell in described insulation film, is filled with between described insulation film and heat-sink shell
Insulating cement fat.
A kind of capacitor the most according to claim 1 and encapsulating method, it is characterised in that: described heat-sink shell and inner chamber it
Between be provided with a cavity.
A kind of capacitor the most according to claim 1 and 2 and encapsulating method, it is characterised in that: it is all provided with on upper and lower pole plate
Several grooves are had to connect heat-sink shell through cavity.
A kind of capacitor the most according to claim 1 and encapsulating method, it is characterised in that: housing and cover plate, rubber are close
All it is tightly connected by heat-proof combustion-resistant silica gel is seamless between shrouding and cover plate and rubber gasket sheet.
A kind of capacitor the most according to claim 4 and encapsulating method, it is characterised in that: housing and cover plate, rubber are close
Encapsulating method between shrouding and cover plate and rubber gasket sheet comprises the steps of
A, with the volatile solvent such as ethanol or propanol clean for the surface clean needing seal member；
B, until solvent volatilize after, heat-proof combustion-resistant silica gel is coated uniformly on the surface of parts, coating thickness is 0.5-1.5mm；
C, after vulcanizing, coating standard according still further to step b is coated with the second layer；
D, gluing is dried 5-10min, then will carry out between housing and cover plate, rubber gasket sheet and cover plate and rubber gasket sheet
Pressurize bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637946.8A CN106158368A (en) | 2016-08-08 | 2016-08-08 | A kind of capacitor and encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637946.8A CN106158368A (en) | 2016-08-08 | 2016-08-08 | A kind of capacitor and encapsulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106158368A true CN106158368A (en) | 2016-11-23 |
Family
ID=57329205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610637946.8A Pending CN106158368A (en) | 2016-08-08 | 2016-08-08 | A kind of capacitor and encapsulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106158368A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221436A (en) * | 2017-06-14 | 2017-09-29 | 广州奥翼电子科技股份有限公司 | A kind of capacitor and its manufacture method |
| WO2022036552A1 (en) * | 2020-08-18 | 2022-02-24 | Hitachi Energy Switzerland Ag | Power capacitor and method for manufacturing the same |
| US20230053806A1 (en) * | 2020-11-28 | 2023-02-23 | Nuintek Co Ltd | Capacitor having insert injection-type case with dual material of metal and plastic |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1474420A (en) * | 2003-07-10 | 2004-02-11 | 刘国光 | Outer casing inlayed seal capacitor and producing process |
| CN102403126A (en) * | 2011-11-29 | 2012-04-04 | 安徽赛福电子有限公司 | Safe lamp capacitor with long service life |
| CN203415415U (en) * | 2013-07-05 | 2014-01-29 | 北京科佳信电容器研究所 | Capacitor |
| CN105609306A (en) * | 2015-12-21 | 2016-05-25 | 苏州权素船舶电子有限公司 | Shockproof capacitor |
| CN205376298U (en) * | 2016-01-25 | 2016-07-06 | 高超 | Waterproof anti -explosion capacitor |
-
2016
- 2016-08-08 CN CN201610637946.8A patent/CN106158368A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1474420A (en) * | 2003-07-10 | 2004-02-11 | 刘国光 | Outer casing inlayed seal capacitor and producing process |
| CN102403126A (en) * | 2011-11-29 | 2012-04-04 | 安徽赛福电子有限公司 | Safe lamp capacitor with long service life |
| CN203415415U (en) * | 2013-07-05 | 2014-01-29 | 北京科佳信电容器研究所 | Capacitor |
| CN105609306A (en) * | 2015-12-21 | 2016-05-25 | 苏州权素船舶电子有限公司 | Shockproof capacitor |
| CN205376298U (en) * | 2016-01-25 | 2016-07-06 | 高超 | Waterproof anti -explosion capacitor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221436A (en) * | 2017-06-14 | 2017-09-29 | 广州奥翼电子科技股份有限公司 | A kind of capacitor and its manufacture method |
| WO2022036552A1 (en) * | 2020-08-18 | 2022-02-24 | Hitachi Energy Switzerland Ag | Power capacitor and method for manufacturing the same |
| US20230053806A1 (en) * | 2020-11-28 | 2023-02-23 | Nuintek Co Ltd | Capacitor having insert injection-type case with dual material of metal and plastic |
| US11935696B2 (en) * | 2020-11-28 | 2024-03-19 | Nuintek Co Ltd | Capacitor having insert injection-type case with dual material of metal and plastic |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |