CN107731517A - A kind of heat-resisting moisture-proof structure of capacitor - Google Patents
A kind of heat-resisting moisture-proof structure of capacitor Download PDFInfo
- Publication number
- CN107731517A CN107731517A CN201710932489.XA CN201710932489A CN107731517A CN 107731517 A CN107731517 A CN 107731517A CN 201710932489 A CN201710932489 A CN 201710932489A CN 107731517 A CN107731517 A CN 107731517A
- Authority
- CN
- China
- Prior art keywords
- aluminum hull
- capacitor
- dielectric film
- heat
- air cavity
- 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 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- 239000011241 protective layer Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 15
- 239000000741 silica gel Substances 0.000 claims abstract description 15
- 229960001866 silicon dioxide Drugs 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 7
- 239000011527 polyurethane coating Substances 0.000 claims abstract description 7
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000007770 graphite material Substances 0.000 claims description 5
- 230000008033 biological extinction Effects 0.000 abstract description 4
- 238000010292 electrical insulation Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- 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)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of heat-resisting moisture-proof structure of capacitor; including dielectric film; the dielectric film intracavity bottom is provided with radiating copper body; the radiating copper body top is provided with aluminum hull, and the aluminum hull intracavity bottom is provided with fuse, air cavity is provided with the top of the fuse; positive pole pin is provided with the air cavity; the positive pole pin side is provided with negative pin, and the aluminum hull outer wall is arranged matcoveredn, and the protective layer is provided with silicagel column.The present invention is by the air cavity provided with sealed set and filled with sulfur hexafluoride gas, with good electrical insulation properties and excellent arc extinction performance, pass through radiating copper body, using heat-conduction principle, the speed that capacitor radiates is improved, by provided with silicagel column, be advantageous to radiate when working to aluminum hull inner chamber fuse, by the dielectric film set provided with integrated sealing and polyurethane coating is scribbled, is advantageous to avoid the intrusion capacitor internal of the steam in air to cause component wear, extends service life.
Description
Technical field
The present invention relates to capacitor area, the heat-resisting moisture-proof structure of more particularly to a kind of capacitor.
Background technology
Capacitor, it is electric capacity that generally referred to as it, which accommodates the ability of electric charge, is represented with letter C.Define 1：Capacitor, Gu Mingsi
Justice, it is ' container of dress electricity ', is a kind of device for accommodating electric charge.English name：capacitor.Capacitor is in electronic equipment
One of electronic component largely used, the separated by direct communication being widely used in circuit, couple, bypass, filtering, resonant tank, energy
Amount conversion, control etc..Define 2：Capacitor, any two is insulated from each other and the conductor that is spaced closely together（Including wire）Between all
A capacitor is formed, with making rapid progress for electronic information technology, the update speed of digital electronic goods is more and more faster,
With flat panel TV（LCD and PDP）, notebook computer, the consumer electronics product volume of production and marketing based on the product such as digital camera continue
Increase, driven capacitor industry to increase, in DC circuit, capacitor is comparable to open circuit.Capacitor is that one kind can
Store the element of electric charge, and one of the most frequently used electronic component, still, in alternating current circuit because sense of current be with
Time changes into certain functional relation.And the process of capacitor charging/discharging is having time, this when, the shape between pole plate
Into the electric field of change, and this electric field is also the function changed over time.In fact, electric current is the form by electric field in electric capacity
Pass through between device.But in the course of work of capacitor, heat can be produced, too high temperature can cause capacitor body aging or
There is punch-through, if capacitor internal enters steam, electric capacity anti humility performance is poor, then capacity can decline, and impedance can increase, drop
The low sustainable service life of electric capacity.
Therefore, the heat-resisting moisture-proof structure for inventing a kind of capacitor is necessary to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of heat-resisting moisture-proof structure of capacitor, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：A kind of heat-resisting moisture-proof structure of capacitor, including it is exhausted
Velum, the dielectric film intracavity bottom are provided with radiating copper body, and the radiating copper body top is provided with aluminum hull, the aluminum hull intracavity bottom
Provided with fuse, air cavity is provided with the top of the fuse, is provided with positive pole pin in the air cavity, the positive pole pin side is provided with negative pole
Pin, the aluminum hull outer wall are arranged matcoveredn, and the protective layer is provided with silicagel column.
Preferably, the positive pole pin and negative pin bottom are arranged with rubber seal plug, and the rubber seal plug is set
It is placed in fuse top.
Preferably, the air cavity sealed set, the air cavity is interior to be filled with sulfur hexafluoride gas.
Preferably, the protective layer is made up of graphite material, and the quantity of the silicagel column is arranged to multiple, the silicagel column
Through protective layer and aluminum hull.
Preferably, the positive pole pin runs through aluminum hull, protective layer and dielectric film, and the negative pin is through aluminum hull, protection
Layer and dielectric film.
Preferably, the dielectric film integrated sealing is set, and the dielectric film inwall scribbles polyurethane coating.
The technique effect and advantage of the present invention：By the air cavity provided with sealed set and filled with sulfur hexafluoride gas, tool
There are good electrical insulation properties and excellent arc extinction performance, by radiating copper body, using heat-conduction principle, improve capacitor
The speed of radiating, by provided with silicagel column, being advantageous to radiate when working to aluminum hull inner chamber fuse, by close provided with integration
Seal the dielectric film set and scribble polyurethane coating, be advantageous to avoid the intrusion capacitor internal of the steam in air to cause element to damage
It is bad, extend service life.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is dotted line A cross section structure figures in Fig. 1 of the present invention.
In figure：1 dielectric film, 2 radiating copper bodies, 3 aluminum hulls, 4 fuses, 5 air cavitys, 6 positive pole pins, 7 negative pins, 8 protective layers,
9 silicagel columns, 10 rubber seal plugs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is described exhausted the invention provides a kind of heat-resisting moisture-proof structure of capacitor as shown in Figure 1-2, including dielectric film 1
The intracavity bottom of velum 1 is provided with radiating copper body 2, by radiating copper body 2, using heat-conduction principle, improves the speed that capacitor radiates
Degree, the top of radiating copper body 2 are provided with aluminum hull 3, and the intracavity bottom of aluminum hull 3 is provided with fuse 4, and the top of fuse 4 is provided with gas
Chamber 5, the air cavity 5 is interior to be provided with positive pole pin 6, and the side of positive pole pin 6 is provided with negative pin 7, and the outer wall of aluminum hull 3 is arranged
Matcoveredn 8, the protective layer 8 are provided with silicagel column 9, by provided with silicagel column 9, being advantageous to work to the inner chamber fuse 4 of aluminum hull 3
Shi Jinhang radiates.
Positive pole pin 6 and negative pin 7 bottom is arranged with rubber seal plug 10, and the rubber seal plug 10 is set
In the top of fuse 4, the sealed set of air cavity 5, the air cavity 5 is interior to be filled with sulfur hexafluoride gas, by provided with sealed set
Air cavity 5 and filled with sulfur hexafluoride gas, there is good electrical insulation properties and excellent arc extinction performance, the protective layer
8 are made up of graphite material, are made of graphite material, good insulation preformance, and the quantity of the silicagel column 9 is arranged to multiple, described
Silicagel column 9 runs through protective layer 8 and aluminum hull 3, and the positive pole pin 6 runs through aluminum hull 3, protective layer 8 and dielectric film 1, and the negative pole draws
Pin 7 runs through aluminum hull 3, protective layer 8 and dielectric film 1, and the integrated sealing of dielectric film 1 is set, and the inwall of dielectric film 1 scribbles poly-
Urethane coating, by the dielectric film 1 set provided with integrated sealing and polyurethane coating is scribbled, is advantageous to avoid the water in air
Vapour intrusion capacitor internal causes component wear, extends service life.
Operation principle of the present invention：In use, capacitor is arranged on by working line by positive pole pin 6 and negative pin 7
In, protective layer 8 made of graphite material provides good insulating properties, the air cavity 5 of sealed set and filled with sulfur hexafluoride gas
Body, there is good electrical insulation properties and excellent arc extinction performance, the radiating copper body 2 of the bottom of aluminum hull 3 utilizes heat-conduction principle,
The speed of capacitor radiating is improved, through protective layer 8 and the silicagel column 9 of aluminum hull 3, is advantageous to work to the inner chamber fuse 4 of aluminum hull 3
Shi Jinhang radiates, and by the dielectric film 1 set provided with integrated sealing and scribbles polyurethane coating, is advantageous to avoid in air
Steam intrusion capacitor internal causes component wear, extends service life.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of heat-resisting moisture-proof structure of capacitor, including dielectric film（1）, it is characterised in that：The dielectric film（1）Intracavity bottom
Provided with radiating copper body（2）, the radiating copper body（2）Top is provided with aluminum hull（3）, the aluminum hull（3）Intracavity bottom is provided with fuse
（4）, the fuse（4）Top is provided with air cavity（5）, the air cavity（5）It is interior to be provided with positive pole pin（6）, the positive pole pin（6）One
Side is provided with negative pin（7）, the aluminum hull（3）Outer wall is arranged matcoveredn（8）, the protective layer（8）It is provided with silicagel column
（9）.
A kind of 2. heat-resisting moisture-proof structure of capacitor according to claim 1, it is characterised in that：The positive pole pin（6）
And negative pin（7）Bottom is arranged with rubber seal plug（10）, the rubber seal plug（10）It is arranged at fuse（4）Top.
A kind of 3. heat-resisting moisture-proof structure of capacitor according to claim 1, it is characterised in that：The air cavity（5）Sealing
Set, the air cavity（5）It is interior to be filled with sulfur hexafluoride gas.
A kind of 4. heat-resisting moisture-proof structure of capacitor according to claim 1, it is characterised in that：The protective layer（8）By
Graphite material is made, the silicagel column（9）Quantity be arranged to multiple, the silicagel column（9）Through protective layer（8）And aluminum hull
（3）.
A kind of 5. heat-resisting moisture-proof structure of capacitor according to claim 1, it is characterised in that：The positive pole pin（6）
Through aluminum hull（3）, protective layer（8）And dielectric film（1）, the negative pin（7）Through aluminum hull（3）, protective layer（8）And dielectric film
（1）.
A kind of 6. heat-resisting moisture-proof structure of capacitor according to claim 1, it is characterised in that：The dielectric film（1）One
Body sealed set, the dielectric film（1）Inwall scribbles polyurethane coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932489.XA CN107731517A (en) | 2017-10-10 | 2017-10-10 | A kind of heat-resisting moisture-proof structure of capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932489.XA CN107731517A (en) | 2017-10-10 | 2017-10-10 | A kind of heat-resisting moisture-proof structure of capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107731517A true CN107731517A (en) | 2018-02-23 |
Family
ID=61209821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710932489.XA Pending CN107731517A (en) | 2017-10-10 | 2017-10-10 | A kind of heat-resisting moisture-proof structure of capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107731517A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074355A (en) * | 2009-11-19 | 2011-05-25 | 钰邦电子（无锡）有限公司 | Radiating and energy-saving capacitor |
| CN202042363U (en) * | 2011-03-31 | 2011-11-16 | 佛山市顺德区伦教胜业电器有限公司 | Capacitor with low-thermal-resistance structure |
| CN203118773U (en) * | 2013-02-27 | 2013-08-07 | 广东顺容电气有限公司 | High-efficiency and heat-radiating capacitor with heat pipe unit |
| CN103500656A (en) * | 2013-09-06 | 2014-01-08 | 安徽赛福电子有限公司 | Inflatable type metallized film capacitor and processing method thereof |
| JP2014135327A (en) * | 2013-01-08 | 2014-07-24 | Okaya Electric Ind Co Ltd | Case jacket type capacitor |
| CN105118666A (en) * | 2015-09-11 | 2015-12-02 | 陈海花 | Capacitor |
| CN206163316U (en) * | 2016-11-16 | 2017-05-10 | 石东 | Heat dissipation type condenser with anti -impact |
-
2017
- 2017-10-10 CN CN201710932489.XA patent/CN107731517A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074355A (en) * | 2009-11-19 | 2011-05-25 | 钰邦电子（无锡）有限公司 | Radiating and energy-saving capacitor |
| CN202042363U (en) * | 2011-03-31 | 2011-11-16 | 佛山市顺德区伦教胜业电器有限公司 | Capacitor with low-thermal-resistance structure |
| JP2014135327A (en) * | 2013-01-08 | 2014-07-24 | Okaya Electric Ind Co Ltd | Case jacket type capacitor |
| CN203118773U (en) * | 2013-02-27 | 2013-08-07 | 广东顺容电气有限公司 | High-efficiency and heat-radiating capacitor with heat pipe unit |
| CN103500656A (en) * | 2013-09-06 | 2014-01-08 | 安徽赛福电子有限公司 | Inflatable type metallized film capacitor and processing method thereof |
| CN105118666A (en) * | 2015-09-11 | 2015-12-02 | 陈海花 | Capacitor |
| CN206163316U (en) * | 2016-11-16 | 2017-05-10 | 石东 | Heat dissipation type condenser with anti -impact |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20180223 |