CN204905045U - Energy -concerving and environment -protective type condenser - Google Patents
Energy -concerving and environment -protective type condenser Download PDFInfo
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- CN204905045U CN204905045U CN201520707456.1U CN201520707456U CN204905045U CN 204905045 U CN204905045 U CN 204905045U CN 201520707456 U CN201520707456 U CN 201520707456U CN 204905045 U CN204905045 U CN 204905045U
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- plastic cover
- shell
- cover plate
- projection
- hole
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Abstract
The utility model relates to an energy -concerving and environment -protective type condenser belongs to the condenser field, including shell, book core, cable conductor and plastic cover sheet, be equipped with a plurality of lugs on the inner wall of shell, the bottom central authorities of shell are equipped with round platform shape projection, and plastic cover sheet's central authorities are equipped with circular through -hole and cylindrical convex part, and the central authorities of convex part are equipped with round platform shape through hole, and plastic cover sheet's upper surface is equipped with a plurality of blind holes, and the bottom of blind hole is equipped with can be by the pervious film of cable conductor, plastic cover sheet's top is equipped with the inside epoxy who has encapsulation usefulness that fills of the epoxy of encapsulation usefulness, hollow stick. This capacitor structure is simple, simple to operate, and application range is wide, and cost reduction is energy -concerving and environment -protective, adopt fixed plastic cover sheet of epoxy and shell, sealing performance is good, adopt epoxy to fill fixed plastic cover sheet and hollow stick, guarantee that roll heat that in -core portion produced in time outwards leaves under epoxy's effect, the radiating effect is good.
Description
Technical field
The utility model relates to a kind of capacitor, particularly relates to a kind of energy saving and environment friendly capacitor.
Background technology
Capacitor, being usually called for short its ability holding electric charge is electric capacity, represents by letter C.Capacitor, as the term suggests being ' container of dress electricity ', is a kind of device holding electric charge.Capacitor is one of a large amount of electronic component used in electronic equipment, be widely used in circuit every straight-through friendship, coupling, bypass, filtering, resonant tank, power conversion, the aspects such as control.The effect of capacitor: 1, be coupled: the electric capacity be used in coupling circuit is called coupling capacitance, this condenser network of a large amount of use in resistance-capacitance coupled amplifier and other capacitance coupling circuits, plays a stopping direct current and leads to alternating current function.2, filtering: the capacitor be used in filter circuit is called filter capacitor, in power filter and various filter circuit, use this condenser network, the signal in certain frequency range is removed by filter capacitor from resultant signal.3, decoupling: the capacitor be used in decoupling circuit is called decoupling capacitance, uses this condenser network in the direct voltage supply circuit of casacade multi-amplifier, and decoupling capacitance eliminates the harmful low frequency commissure between every grade of amplifier.4, high frequency weakening: the electric capacity be used in high frequency shock absorbing circuit is called high frequency weakening electric capacity, in audio frequency negative feedback amplifier, in order to the high-frequency self-excitation that weakening may occur, adopts this condenser network, utters long and high-pitched sounds with the high frequency that erase amplifier may occur.5, resonance: the capacitor be used in LC resonant circuit is called resonant capacitance, all needs this condenser network in LC parallel connection and series resonant circuit.6, bypass: the capacitor be used in bypass circuit is called shunt capacitance, if need the signal removing a certain frequency range from signal in circuit, shunt capacitance circuit can be used, according to removed signal frequency difference, there are full frequency-domain (all AC signal) shunt capacitance circuit and high-frequency bypass capacitor circuit.7, neutralize: the capacitor be used in neutralizing circuit is called neutralizing capacitance.At broadcast receiver high frequency and intermediate frequency amplifier, in television set high-frequency amplifier, adopt this neutralizing capacitance circuit, to eliminate self-excitation.8, regularly: the capacitor be used in timing circuit is called timing capacitor.Needing to be undertaken using timing capacitor circuit in the circuit of time controling by capacitor charging, electric discharge, electric capacity plays a part to control time constant size.9, integration: the capacitor be used in integrating circuit is called integrating capacitor.In the synchronizing separator circuit of electric potential field scanning, adopt this integrating capacitor circuit, field sync signal can be taken out from the composite synchronizing signal of field.10, differential: the capacitor be used in differential circuit is called differential capacitance.In order to obtain pinnacle triggering signal in flip-flop circuit, adopt this differential capacitance circuit, to obtain pointed peaky pulse triggering signal from all kinds of (mainly rectangular pulse) signal.11, compensate: the capacitor be used in compensating circuit is called building-out capacitor, in the bass compensation of deck, uses this low-frequency compensation condenser network, to promote the low frequency signal in playback signal, in addition, also have high frequency compensation condenser network.12, boot: the capacitor be used in boostrap circuit is called bootstrap capacitor, and conventional OTL power amplifier output-stage circuit adopts this bootstrap capacitor circuit, with the positive half cycle amplitude of a small amount of promotion signal of mode by positive feedback.13, frequency division: the capacitor in frequency dividing circuit is called frequency division electric capacity, in the loud speaker frequency dividing circuit of audio amplifier, use frequency division condenser network, to make tweeter be operated in high band, mid frequency ludspeaker is operated in Mid Frequency, and woofer is operated in low-frequency range.14, load capacitance: refer to the effective extraneous electric capacity determining load resonant frequency together with quartz-crystal resonator.
During capacitor work, easily produce a large amount of heats in core, if the heat of capacitor internal can not leave in time, the metallized film that can accelerate in core is aging, cause partial breakdown, metallized film can produce a large amount of gas when breakdown, and capacitor is easily blasted.Existing capacitor adopts the fixing filling of epoxy resin between core and shell, the characteristic utilizing fast epoxy resin curing on the one hand, epoxy resin after solidification has insulation, fixing effect, core can be fixed on the middle position of shell, prevent core and shell especially metal shell contact; On the other hand, epoxy resin also has the good capacity of heat transmission, avoids because capacitor internal is overheated explosion caused.But, find after deliberation, the heat major part produced during core work concentrates on the inside of core, epoxy resin is filled up between the shell and core of capacitor, core wrapped up in the epoxy completely, although ensure that the requirement of insulating requirements around core and quick heat radiating, epoxy resin use amount is higher, not only cost is high, and does not comply with national environmental protection, energy-conservation requirement.
Utility model content
The deficiency that the utility model exists for prior art, provide a kind of energy saving and environment friendly capacitor, concrete technical scheme is as follows:
A kind of energy saving and environment friendly capacitor, comprise shell, core, cable and plastic cover plate, the central authorities of core are provided with hollow bar, and the top of described hollow bar is higher than the top of core, and the tail end of hollow bar is lower than the tail end of core; The inwall of shell is provided with multiple projection, and the bottom center of shell is provided with truncated cone-shaped projection, and projection is arranged on the inside of shell, is interference fit and contacts compression between projection and the tail end of hollow bar; The lower surface of plastic cover plate and bump contact, the central authorities of plastic cover plate are provided with manhole and cylindrical boss, and protuberance is arranged on the below of through hole, and the central authorities of protuberance are provided with truncated cone-shaped through hole, through hole is communicated with through hole, is interference fit and contacts compression between protuberance and the top of hollow bar; The upper surface of plastic cover plate is provided with multiple blind hole, and the bottom of blind hole is provided with the film that can be penetrated by cable; The top of plastic cover plate is provided with the epoxy resin of encapsulation, shell and plastic cover plate form enclosed construction under the effect of epoxy resin, the inside of hollow bar is filled with the epoxy resin of encapsulation, and plastic cover plate and hollow bar form enclosed construction under the effect of epoxy resin.
As the improvement of technique scheme, the number of described projection is three, and projection is symmetrical centered by projection.
As the improvement of technique scheme, described projection and shell are integral type structure, and projection and shell are integral type structure.
As the improvement of technique scheme, the quantity of described blind hole is four, and blind hole is symmetrical centered by through hole.
As the improvement of technique scheme, described film and plastic cover plate are integral type structure, and protuberance and plastic cover plate are integral type structure.
Energy saving and environment friendly capacitor arrangement described in the utility model is simple, easy for installation, and the scope of application is wide, and core is fixed on the central authorities of shell, and fixed structure is stablized, and ensure that insulating properties requirement around core; Core periphery not filling epoxy resin, epoxy resin use amount reduces by 80 ~ 90%, and cost reduces, energy-conserving and environment-protective; Adopt epoxy resin fixed plastics cover plate and shell, good seal performance; Adopt epoxy resin filling fixed plastics cover plate and hollow bar, ensure that the heat that core inside produces outwards leaves in time under the effect of epoxy resin, good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is energy saving and environment friendly capacitor arrangement schematic diagram described in the utility model;
Fig. 2 is shell mechanism schematic diagram described in the utility model;
Fig. 3 is core structural representation described in the utility model;
Fig. 4 is plastic cover plate structural representation described in the utility model;
Fig. 5 is plastic cover plate structural representation (overlooking state) described in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Figure 2 and Figure 3, Fig. 1 is energy saving and environment friendly capacitor arrangement schematic diagram described in the utility model, and Fig. 2 is shell mechanism schematic diagram described in the utility model, and Fig. 3 is core structural representation described in the utility model.Described energy saving and environment friendly capacitor, comprises shell 10, core 20, cable 30 and plastic cover plate 40, and the central authorities of core 20 are provided with hollow bar 21, and the top of described hollow bar 21 is higher than the top of core 20, and the tail end of hollow bar 21 is lower than the tail end of core 20; The inwall of shell 10 is provided with multiple projection 12, the bottom center of shell 10 is provided with truncated cone-shaped projection 11, and projection 11 is arranged on the inside of shell 10, is interference fit and contacts compression between projection 11 and the tail end of hollow bar 21.For ensureing the bottom uniform force of plastic cover plate 40, the number of described projection 12 is three, and projection 12 is symmetrical centered by projection 11.Projection 12 has the effect of location, supporting plastic cover plate 40, installs for convenience and to add man-hour one-body molded, and projection 12 and shell 10 are integral type structure.Projection 11 has the effect of fixed support core 20, projection 11 is designed to truncated cone-shaped, conveniently projection 11 is inserted in hollow bar 21 on the one hand, make interference fit between them and contact compression, and can also ensure to leave gap between the bottom of core 20 and the bottom of shell 10, truncated cone-shaped projection 11 can adapt to the hollow bar 21 that internal diameter varies in size on the other hand, applied range; Install for convenience and to add man-hour one-body molded, described projection 11 is integral type structure with shell 10.
As shown in Figure 4 and Figure 5, Fig. 4 is plastic cover plate structural representation described in the utility model, and Fig. 5 is plastic cover plate structural representation (overlooking state) described in the utility model.The lower surface of plastic cover plate 40 contacts with projection 12, the central authorities of plastic cover plate 40 are provided with manhole 41 and cylindrical boss 42, protuberance 42 is arranged on the below of through hole 41, the central authorities of protuberance 42 are provided with truncated cone-shaped through hole 421, through hole 421 is communicated with through hole 41, is interference fit and contacts compression between protuberance 42 and the top of hollow bar 21;
Protuberance 42 has effect that is fixing, location core 20, through hole 421 is designed to truncated cone-shaped, conveniently the top of hollow bar 21 is inserted in through hole 421 on the one hand, make interference fit between the top of hollow bar 21 and protuberance 42 and contact compression, and can also ensure to leave gap between the top of core 20 and plastic cover plate 40, under the effect of protuberance 42 and projection 11, ensure that core 20 is installed in shell 10 center of inside position, fixed structure is stablized; Truncated cone-shaped through hole 421 can adapt to the hollow bar 21 that external diameter varies in size on the other hand, applied range, and truncated cone-shaped through hole 421 is also easily out processed; Install for convenience and to add man-hour one-body molded, described protuberance 42 is integral type structure with plastic cover plate 40.
The upper surface of plastic cover plate 40 is provided with multiple blind hole 43, and the bottom of blind hole 43 is provided with the film 431 that can be penetrated by cable 30; The top of plastic cover plate 40 is provided with the epoxy resin 50 of encapsulation, shell 10 and plastic cover plate 40 form enclosed construction under the effect of epoxy resin 50, the inside of hollow bar 21 is filled with the epoxy resin 50 of encapsulation, and plastic cover plate 40 and hollow bar 21 form enclosed construction under the effect of epoxy resin 50.The effect of blind hole 43 is location, facilitates the installation of capacitor, and when when installing cables line 30, because film 431 can be penetrated by cable 30, one end of cable 30 penetrates film 431 and welds with core 20; When follow-up epoxy resin 50 embedding capacitor, under the stop of film 431, can not leak when epoxy resin 50 fills blind hole 43, after waiting epoxy resin 50 to solidify, solve the defect that blind hole 43 place mechanical strength is comparatively weak.For convenience of installing, improve the scope of application of plastic cover plate 40, energy savings, the quantity of described blind hole 43 is four, and blind hole 43 is symmetrical centered by through hole 41; Cable 30 serves as the effect of binding post, when the binding post quantity of capacitor is one or two or three, with cable 30, film 431 is punctured, when follow-up epoxy resin 50 embedding capacitor, cable 30 is sealed fixing by epoxy resin 50, remaining blind hole 43 under the filling of epoxy resin 50 by reinforcement; When the binding post quantity of capacitor is four, all blind holes 43 are all utilized by cable 30.For convenience of film 431 machine-shaping, described film 431 is integral type structure with plastic cover plate 40.
The effect of epoxy resin 50 is, is fixedly bonded in by plastic cover plate 40 on shell 10, good sealing effect between plastic cover plate 40 and shell 10; When encapsulated epoxy resin 50, owing to forming passage between through hole 41, through hole 421, hollow bar 21, under gravity, epoxy resin 50 flows to the inside of hollow bar 21 from through hole 41 and through hole 421, and by through hole 41, through hole 421, hollow bar 21 solid, good sealing effect between plastic cover plate 40 and hollow bar 21; The plastic cover plate 40 of the plastic cover plate 40 on plastic cover plate 40 and through hole 41, through hole 421, hollow bar 21 inside is as a whole, after plastic cover plate 40 solidifies, the sealing structure of capacitor is good, and in the capacitor course of work, core 20 inside produces a large amount of heat, epoxy resin 50 after solidification has good thermal conductivity, the heat of core 20 inside outwardly leaves in time through epoxy resin 50, avoid, because the metallized film accelerated ageing that a large amount of heats causes near core 20 middle position is gathered in core 20 inside, partial breakdown occurring.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. an energy saving and environment friendly capacitor, comprise shell (10), core (20), cable (30) and plastic cover plate (40), the central authorities of core (20) are provided with hollow bar (21), it is characterized in that: the top of described hollow bar (21) is higher than the top of core (20), and the tail end of hollow bar (21) is lower than the tail end of core (20); The inwall of shell (10) is provided with multiple projection (12), the bottom center of shell (10) is provided with truncated cone-shaped projection (11), projection (11) is arranged on the inside of shell (10), is interference fit and contacts compression between projection (11) and the tail end of hollow bar (21); The lower surface of plastic cover plate (40) contacts with projection (12), the central authorities of plastic cover plate (40) are provided with manhole (41) and cylindrical boss (42), protuberance (42) is arranged on the below of through hole (41), the central authorities of protuberance (42) are provided with truncated cone-shaped through hole (421), through hole (421) is communicated with through hole (41), is interference fit and contacts compression between protuberance (42) and the top of hollow bar (21); The upper surface of plastic cover plate (40) is provided with multiple blind hole (43), and the bottom of blind hole (43) is provided with the film (431) that can be penetrated by cable (30); The top of plastic cover plate (40) is provided with the epoxy resin (50) of encapsulation, shell (10) and plastic cover plate (40) form enclosed construction under the effect of epoxy resin (50), the inside of hollow bar (21) is filled with the epoxy resin (50) of encapsulation, and plastic cover plate (40) and hollow bar (21) form enclosed construction under the effect of epoxy resin (50).
2. the energy saving and environment friendly capacitor of one according to claim 1, is characterized in that: the number of described projection (12) is three, and projection (12) is symmetrical centered by projection (11).
3. the energy saving and environment friendly capacitor of one according to claim 1, is characterized in that: described projection (11) and shell (10) are integral type structure, and projection (12) and shell (10) are integral type structure.
4. the energy saving and environment friendly capacitor of one according to claim 1, is characterized in that: the quantity of described blind hole (43) is four, and blind hole (43) is symmetrical centered by through hole (41).
5. the energy saving and environment friendly capacitor of one according to claim 1, is characterized in that: described film (431) and plastic cover plate (40) are integral type structure, and protuberance (42) and plastic cover plate (40) are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707456.1U CN204905045U (en) | 2015-09-14 | 2015-09-14 | Energy -concerving and environment -protective type condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707456.1U CN204905045U (en) | 2015-09-14 | 2015-09-14 | Energy -concerving and environment -protective type condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905045U true CN204905045U (en) | 2015-12-23 |
Family
ID=54927204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520707456.1U Expired - Fee Related CN204905045U (en) | 2015-09-14 | 2015-09-14 | Energy -concerving and environment -protective type condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905045U (en) |
-
2015
- 2015-09-14 CN CN201520707456.1U patent/CN204905045U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160914 |