CN206742078U - A kind of capacitor of explosion-proof steady type - Google Patents
A kind of capacitor of explosion-proof steady type Download PDFInfo
- Publication number
- CN206742078U CN206742078U CN201720300064.2U CN201720300064U CN206742078U CN 206742078 U CN206742078 U CN 206742078U CN 201720300064 U CN201720300064 U CN 201720300064U CN 206742078 U CN206742078 U CN 206742078U
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- Prior art keywords
- capacitor
- end cover
- support tube
- boss
- hole
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Abstract
It the utility model is related to capacitor technology field, specifically disclose a kind of capacitor of explosion-proof steady type, including shell, capacitor core, the upper end cover being adapted to the both ends of shell, bottom end cover, capacitor core includes support tube, it is bonded the metallized film of the surface winding of support tube, upper end cover is respectively equipped with the upper through hole being adapted to the external diameter of support tube with the center of bottom end cover, lower through-hole, and the both ends of grafting support tube, capacitor also includes fitting top cover labyrinth, lower sealing cover, top cover labyrinth is provided with the upper seal boss being integrally formed with top cover labyrinth, lower sealing cover is provided with the lower seal boss being integrally formed with lower sealing cover, upper seal boss on lower seal boss with being respectively equipped with insertion top cover labyrinth, the through hole of lower sealing cover, and upper seal boss, medial surface of the lateral surface of lower seal boss respectively with support tube is brought into close contact.Capacitor of the present utility model has stronger heat-sinking capability, current carrying capacity, explosion-proof capabilities, and dustproof and waterproof ability.
Description
Technical field
It the utility model is related to capacitor technology field, and in particular to a kind of capacitor of explosion-proof steady type.
Background technology
Capacitor is one of electronic component largely used in electronic equipment, be widely used in separated by direct communication in circuit,
Coupling bypass, filtering, resonant tank etc., can be divided into according to medium difference electrolyte capacitance, papery electric capacity, mica capacitor,
Nonpolarity, insulation impedance is very high, frequency response is broad and medium because having for ceramic condenser, thin-film capacitor etc., wherein thin-film capacitor
Lose the characteristic such as small and be widely used in the places such as power supply noise bypass, analog signal commissure.Thin film capacitor is often with metal
Paper tinsel or metallized film layers work as electrode, by metal aluminum foil or metallized film layers and poly- ethyl ester, polypropylene, polystyrene or poly- carbon
The plastic sheetings such as acid esters are wound into cylindrical shape after both ends are overlapping and are made.But the tolerance high current ability of thin film capacitor compared with
Weak, the radiating effect of especially thin film capacitor is poor, the easy accumulated heat heating of capacitor core, further limit thin film capacitor
Current capacity is carried, and is likely to cause the breakdown generation permanent damages of capacitor or capacitor casing explosion, have impact on film
The service life of capacitor.The lead of other thin film capacitor is also easily damaged or bent.
Chinese patent CN201620838072, a kind of thin film capacitor of patent name, July 30 2016 date of application,
A kind of thin film capacitor that some radiating tubes are set on the inwall of shell is disclosed, is dissipated by setting radiating tube to accelerate heat
Hair.But radiating tube is arranged on shell, it is impossible to directly the heat on capacitor core sheds, causes radiating effect not reach reason
Situation about thinking, and setting radiating tube adds the producting process difficulty of capacitor in small-sized thin film capacitor.
Utility model content
For the weak current load energy for easily making the heating of capacitor core accumulated heat, influenceing capacitor of heat-sinking capability of thin film capacitor
Power, or even the problem of cause capacitor to explode, the new purpose of this practicality are to provide a kind of heat-sinking capability good explosion-proof firm
The capacitor of type, there is higher heat-sinking capability, the heat transfer in capacitor can be gone out in time, ensure the electric current of capacitor
Bearing capacity, prevent capacitor from exploding, and also preferable compressive resistance, capacitor core are preferably protected.
The utility model provides following technical scheme
A kind of capacitor of explosion-proof steady type, including columnar shell, the capacitor core in shell, in addition to point
Not She Yu shell both ends upper end cover and bottom end cover, the capacitor core includes the support tube located at center, fitting support tube
Surface winding metallized film, the upper end cover be respectively equipped with the center of bottom end cover be adapted to the external diameter of support tube it is upper lead to
Hole, lower through-hole, one end of support tube are stretched out from metallized film and pass through upper through hole and upper end cover grafting, the other end of support tube
Stretched out from metallized film and pass through lower through-hole and bottom end cover grafting.
As a kind of improvement of the present utility model, the end face at shell both ends is provided with some positioning convex, and upper end cover is with
Some jacks of adaptation are respectively equipped with end cap, positioning convex is plugged in jack.
As a kind of improvement of the present utility model, the upper end cover, bottom end cover are be bonded by adhesive with shell.
As it is of the present utility model it is a kind of improve, the downside of the upper end cover be provided with it is columnar push boss, and with
Upper through hole coaxial communication is set, and the upper side of the bottom end cover is provided with columnar upper support boss, and with lower through-hole coaxial communication
Set, the internal diameter for pushing boss with upper support boss is adapted to the external diameter of support tube respectively.
As it is of the present utility model it is a kind of improve, the upper end of the capacitor core is provided with two pins, on the upper end cover
Two protection sleeve pipes provided with insertion upper end cover, two pins difference two protection sleeve pipes of grafting on capacitor core and from protection
Sleeve pipe stretches out, and the external diameter for pushing boss is less than the distance between two pins.
As a kind of improvement of the present utility model, the external diameter of the upper support boss is adapted to the internal diameter of shell, makes support convex
The lateral surface of platform and the medial surface of shell are brought into close contact.
As a kind of improvement of the present utility model, the capacitor also includes the upper sealing of the upper side of fitting upper end cover
Cover, the lower sealing cover of the downside of fitting bottom end cover, it is convex that top cover labyrinth is provided with the upper sealing integrally extended downwardly into inside support tube
Platform, lower sealing cover are provided with the lower seal boss integrally extended upwardly into inside support tube, are provided with insertion and seal in upper seal boss
The overdraught through hole of lid, the interior downstream through hole for being provided with insertion lower sealing cover of lower seal boss, upper seal boss, lower seal boss
Medial surface of the lateral surface respectively with support tube be brought into close contact, make the endoporus of overdraught through hole, downstream through hole and support tube from
So connection forms gas channel.
It is be bonded by adhesive between the top cover labyrinth and upper end cover as a kind of improvement of the present utility model, it is described
It is be bonded by adhesive between lower sealing cover and bottom end cover.
Capacitor of the present utility model includes shell, the capacitor core being arranged in shell, and electric smelting fuse is thin by metallizing
The surface wrap of film fitting support tube forms, and the tubular structure that metallized film is rolled into is stretched out at the both ends of support tube, by outside
The both ends of shell set upper end cover, bottom end cover, and through hole, lower through-hole are set on upper end cover and bottom end cover, make the two of support tube
Through hole is stretched into in lower through-hole, the air communication channel being in communication with the outside, capacitor core are so formd in support tube in end
Heat caused by inside can be delivered on support tube, and is taken away in time by the air in support pipe orifice, the radiating of capacitor
Ability is greatly improved, and rate of heat dispation is fast, avoids the accumulated heat heating of capacitor internal, both ensure that the electric current of capacitor
Bearing capacity, the explosion-proof capabilities of capacitor are improved again.Shell is determined with upper end cover, bottom end cover by positioning convex grafting jack
Position, prevents the rotation between upper end cover, bottom end cover and shell, improves the intensity of capacitor.Bonded between shell and capacitor
Connection improves sealing effectiveness, plays a part of dustproof and waterproof.The protection sleeve pipe protection capacitor core set on upper end cover draws
Pin avoids bending, and prevents pin to be shifted over, and influences the normal use of capacitor.Top cover labyrinth is lifted with lower sealing cover
The dustproof and waterproof ability of capacitor, the gas channel that is formed between upper seal boss, lower seal boss and support tube are ensureing electricity
It ensure that the air current flow in capacitor on the basis of container sealing effectiveness, the heat-sinking capability of capacitor is good.
The beneficial effects of the utility model are as follows：
Capacitor of the present utility model is by setting upper end cover, bottom end cover and adaptation provided with lower through-hole provided with upper through hole
Support tube so as to form the extraneous air communication channel of connection in capacitor, greatly enhance the heat radiation energy of capacitor
Power, the current carrying capacity of capacitor is ensure that, improve explosion-proof capabilities, while the top cover labyrinth of setting, lower sealing cover make electricity
Container has good dustproof and waterproof ability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of shell.
Fig. 3 is the top view of shell in fig. 2.
Fig. 4 is the structural representation of bottom end cover.
Fig. 5 is the top view of bottom end cover in Fig. 4.
Fig. 6 is the structural representation of upper end cover.
In figure：1st, shell, 11, positioning convex, 2, capacitor core, 21, support tube, 22, pin, 3, upper end cover, 31, it is upper logical
Hole, 32, jack, 33, protection sleeve pipe, 34, push boss, 4, bottom end cover, 41, lower through-hole, 42, upper support boss, 5, top cover labyrinth,
51st, upper seal boss, 6, lower sealing cover, 61, lower seal boss.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of capacitor of explosion-proof steady type, including columnar shell 1, the capacitance core in shell
Son 2, in addition to upper end cover 3, the bottom end cover 4 being adapted to the both ends of shell, capacitor core include the support tube 21 located at center, patch
Close support tube surface winding metallized film, wherein metallized film can be poly- ethyl ester, polypropylene, polystyrene or
Spray aluminium, metal electrode film made of spelter coating on the plastic sheetings such as makrolon, support tube is into cylindrical shape, upper end cover and lower end
The center of lid is respectively equipped with the upper through hole 31 being adapted to the external diameter of support tube, lower through-hole 41, and metallization is stretched out at the both ends of support tube
Film is simultaneously each passed through through hole, lower through-hole, makes support tube difference grafting upper end cover and bottom end cover, so makes to be formed in support tube
The passage for the airflow being in communication with the outside.
To strengthen the fixing intensity of capacitor, the end face at shell both ends is provided with some positioning convex 11, is preferably provided with 4
The positioning convex being distributed uniformly and circumferentially, upper end cover is with being respectively equipped be adapted to 4 jacks 32, positioning convex on bottom end cover
It is plugged in jack, limits the relative rotation between upper end cover, bottom end cover and shell, upper end cover, bottom end cover and shell pass through glue
Glutinous agent bonding, lift the sealing of capacitor.For the fixing intensity between enhancing metallized film and support tube, under upper end cover
Side pushes boss 34 provided with columnar, pushes boss and is wholely set with upper end cover, and the endoporus and upper through hole for pushing boss connect
Logical and coaxial, the upper side of bottom end cover is provided with columnar upper support boss 42, and upper support boss is wholely set with bottom end cover, and upper support is convex
The endoporus of platform is connected and coaxial with lower through-hole, and the internal diameter for pushing boss with upper support boss is adapted to the external diameter of support tube respectively, this
Sample makes support tube both ends also be each passed through to push boss and upper support boss, and support tube both ends push boss and upper support boss, support
The lateral surface at pipe both ends respectively with push boss, it is upper support boss medial surface be brought into close contact.The upper end of capacitor core is provided with two
Pin 22, is the intensity of protective condenser pin, and upper end cover is provided with two protection sleeve pipes 33 of insertion upper end cover, capacitor core
On two pins distinguish two protection sleeve pipes of grafting and stretch out protection sleeve pipe, push boss external diameter be less than two pins between
Distance, in addition further to improve the sealing of capacitor, the external diameter of upper support boss is adapted to the internal diameter of shell, makes support boss
Lateral surface and the medial surface of shell be brought into close contact, capacitor also includes the top cover labyrinth 5 of the upper side of fitting upper end cover, fitting
The lower sealing cover 6 of the downside of bottom end cover, the downside of top cover labyrinth be provided be integrally formed with top cover labyrinth it is cylindrical upper
Seal boss 51, the upper side of lower sealing cover are provided with the lower seal boss 61 being integrally formed with lower sealing cover, in upper seal boss
Overdraught through hole provided with insertion top cover labyrinth, the interior downstream through hole for being provided with insertion lower sealing cover of lower seal boss, upper sealing
Boss and lower seal boss are respectively protruding into the inside of support tube, and the lateral surface of upper seal boss, lower seal boss respectively with branch
The medial surface of stay tube is brought into close contact, and the endoporus Natural communication of overdraught through hole, downstream through hole and support tube is formed air-flow and is led to
Road, it is be bonded by adhesive between top cover labyrinth and upper end cover, it is be bonded by adhesive between lower sealing cover and bottom end cover, wherein
The perforation for passing through protection sleeve pipe is additionally provided with top cover labyrinth, the internal diameter of perforation is adapted with the external diameter of protection sleeve pipe.
Capacitor of the present utility model with stronger heat-sinking capability, current carrying capacity, explosion-proof capabilities simultaneously also with
Good dustproof and waterproof ability.
Claims (8)
1. a kind of capacitor of explosion-proof steady type, including columnar shell, the capacitor core in shell, its feature exist
In, in addition to the upper end cover and bottom end cover at shell both ends are respectively arranged on, the capacitor core includes the support tube located at center, patch
The metallized film of the surface winding of support tube is closed, the center of the upper end cover and bottom end cover is respectively equipped with the external diameter with support tube
Upper through hole, the lower through-hole of adaptation, one end of support tube are stretched out from metallized film and pass through upper through hole and upper end cover grafting, support
The other end of pipe stretches out from metallized film and passes through lower through-hole and bottom end cover grafting.
2. the capacitor of a kind of explosion-proof steady type according to claim 1, it is characterised in that set on the end face at shell both ends
There are some positioning convex, upper end cover is plugged in jack with being respectively equipped with some jacks being adapted to, positioning convex on bottom end cover.
3. the capacitor of a kind of explosion-proof steady type according to claim 1 or 2, it is characterised in that the upper end cover, lower end
Lid is be bonded by adhesive with shell.
A kind of 4. capacitor of explosion-proof steady type according to claim 1, it is characterised in that the downside of the upper end cover
Boss is pushed provided with columnar, and is set with upper through hole coaxial communication, the upper side of the bottom end cover is provided with columnar
Boss is supportted, and is set with lower through-hole coaxial communication, the internal diameter for pushing boss with upper support boss is adapted to the external diameter of support tube respectively.
A kind of 5. capacitor of explosion-proof steady type according to claim 4, it is characterised in that the upper end of the capacitor core
Provided with two pins, the upper end cover is provided with two protection sleeve pipes of insertion upper end cover, two pins point on capacitor core
Other two protection sleeve pipes of grafting are simultaneously stretched out from protection sleeve pipe, and the external diameter for pushing boss is less than the distance between two pins.
6. the capacitor of a kind of explosion-proof steady type according to claim 4 or 5, it is characterised in that the upper support boss
External diameter is adapted to the internal diameter of shell, and the medial surface of the lateral surface and shell that make to support boss is brought into close contact.
7. the capacitor of a kind of explosion-proof steady type according to claim 1, it is characterised in that the capacitor also includes patch
Close the upper side of end cap top cover labyrinth, be bonded bottom end cover downside lower sealing cover, top cover labyrinth be provided with one downwards
The upper seal boss that stretches into inside support tube, lower sealing cover are provided with the lower seal boss integrally extended upwardly into inside support tube, on
The overdraught through hole of insertion top cover labyrinth is provided with seal boss, the downstream that insertion lower sealing cover is provided with lower seal boss is led to
Hole, the medial surface of upper seal boss, the lateral surface of lower seal boss respectively with support tube are brought into close contact, make overdraught through hole, under
The endoporus Natural communication of air-flow through hole and support tube forms gas channel.
8. the capacitor of a kind of explosion-proof steady type according to claim 7, it is characterised in that the top cover labyrinth and upper end
It is bonded between lid by adhesive, it is be bonded by adhesive between the lower sealing cover and bottom end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300064.2U CN206742078U (en) | 2017-03-24 | 2017-03-24 | A kind of capacitor of explosion-proof steady type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300064.2U CN206742078U (en) | 2017-03-24 | 2017-03-24 | A kind of capacitor of explosion-proof steady type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206742078U true CN206742078U (en) | 2017-12-12 |
Family
ID=60558286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720300064.2U Expired - Fee Related CN206742078U (en) | 2017-03-24 | 2017-03-24 | A kind of capacitor of explosion-proof steady type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206742078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711511A (en) * | 2018-08-24 | 2018-10-26 | 安徽中容电子有限公司 | A kind of anti-explosion film capacitor for preventing that electrical breakdown occurs between the shell of pole |
-
2017
- 2017-03-24 CN CN201720300064.2U patent/CN206742078U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711511A (en) * | 2018-08-24 | 2018-10-26 | 安徽中容电子有限公司 | A kind of anti-explosion film capacitor for preventing that electrical breakdown occurs between the shell of pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20180324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |