CN204424092U - A kind of aluminium electrolytic capacitor - Google Patents
A kind of aluminium electrolytic capacitor Download PDFInfo
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- CN204424092U CN204424092U CN201420840779.3U CN201420840779U CN204424092U CN 204424092 U CN204424092 U CN 204424092U CN 201420840779 U CN201420840779 U CN 201420840779U CN 204424092 U CN204424092 U CN 204424092U
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- paper tinsel
- electrolytic capacitor
- lead
- aluminium electrolytic
- shell
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Abstract
A kind of aluminium electrolytic capacitor, described aluminium electrolytic capacitor comprises: core bag, shell, closing device, lead-out wire, extraction paper tinsel, the first isolating bar and the electrolyte be closed in shell, the end face of described shell is provided with groove, is provided with thermal component in described groove; Wherein, described lead-out wire comprises anode lead wire and cathode terminal, described extraction paper tinsel comprises anode and draws paper tinsel and cathode lead-out foil, described first isolating bar is arranged on described anode and draws between paper tinsel and cathode lead-out foil, thus positive pole can be avoided to draw the short circuit that between paper tinsel and negative pole extraction paper tinsel, generation touching causes, reduce the probability that aluminium electrolytic capacitor is short-circuited, improve the stability of aluminium electrolytic capacitor; Groove is set at the end face of shell, in groove, is provided with thermal component, give the heat radiation of liquid electric capacity in use, reduce the possibility of explosion.
Description
Technical field
The utility model relates to electronic circuit field, particularly relates to a kind of aluminium electrolytic capacitor.
Background technology
Electrolytic capacitor is the requisite elements of various electronic product terminals, plays vital effect in electronic system.Described electrolytic capacitor has following functions usually: stopping direct current, namely stops direct current pass through and allow interchange pass through; Bypass (decoupling), is the element of some parallel connection in alternating current circuit and provides low impedance path; Coupling, namely as the connection between two circuit, allows AC signal pass through and be transferred to the effects such as next stage circuit and filtering.
According to the difference using valve metal, electrolytic capacitor can be divided into: the electrolytic capacitor of tantalum electrolytic capacitor, aluminium electrolytic capacitor, niobium electrolytic capacitor and titanium electrolytic capacitor Four types.Wherein, aluminium electrolytic capacitor does negative pole by aluminium cylinder, liquid electrolyte is equipped with in the inside, the aluminium strip inserting a bending tablet does positive pole and the capacitor made, owing to having advantage capacious, aluminium electrolytic capacitor is widely used, and such as in recent years, is rapidly developed in recent years with the power technology that wind energy, solar energy are representative.Inverter in the frequency converter and solar power system of wind generator system all needs to use aluminium electrolytic capacitor.
But aluminium electrolytic capacitor more easily occurs short circuit phenomenon, stability is not high.And existing aluminium electrolytic capacitor often has Decrepitation Phenomena.During work, not prompt enough owing to dispelling the heat, temperature rises, and the electrolyte in electric capacity can seethe with excitement generation gas, causes internal pressure to become large, when electric capacity housing cannot bear, will burst.The explosion of electric capacity is a harm greatly, is easy to initiation fire.Therefore the heat dissipation problem of liquid electric capacity is urgent problem.
Utility model content
Technical problem to be solved in the utility model is, overcomes the above-mentioned defect that prior art exists, and provides a kind of not easily short circuit, aluminium electrolytic capacitor that coefficient of safety is high.
The utility model solves the technical scheme that its technical problem adopts, a kind of aluminium electrolytic capacitor, the electrolyte comprising core bag, shell, closing device, lead-out wire, extraction paper tinsel, the first isolating bar and be closed in shell, the end face of described shell is provided with groove, is provided with thermal component in described groove; Described core bag is arranged on described enclosure; Described shell is provided with the described closing device sealed;
Described lead-out wire runs through described closing device, and described lead-out wire comprises: anode lead wire and cathode terminal; One end of described extraction paper tinsel is connected with described lead-out wire, and the other end is connected with described core bag, and described extraction paper tinsel comprises the anode be connected with described anode lead wire and draws paper tinsel, and the cathode lead-out foil be connected with described cathode terminal; Described first isolating bar is arranged on described anode and draws between paper tinsel and cathode lead-out foil, and one end of described first isolating bar is connected with described closing device, and the other end is connected with described core bag.
Further, the described thermal component be arranged in groove is made up of some hollow circular cylinders, one end of all hollow circular cylinders is all fixed with the bottom surface of groove, the other end is towards the opening of groove, be positioned at hollow circular cylinder on groove center longitudinal section all with the plane perpendicular of groove, the hollow circular cylinder be positioned on the left of longitudinal section, center tilts to the left, and the hollow circular cylinder be positioned on the right side of longitudinal section, center tilts to the right.
Further, described aluminium electrolytic capacitor also comprises: be arranged on the second isolating bar between described extraction paper tinsel and shell, wherein, described second isolating bar comprises: be arranged on the second plate isolating bar between described anode extraction paper tinsel and shell, and be arranged on the second cathode isolation bar between described cathode lead-out foil and shell.
Further, described second isolating bar is semicircle arcuation isolating bar.
Further, described lead-out wire and described extraction paper tinsel are formed in rivet mode and are connected.
Further, described aluminium electrolytic capacitor also comprises: the first electrolytic paper of the described extraction paper tinsel that reels; Be arranged on the second electrolytic paper outside described first electrolytic paper.
Further, described aluminium electrolytic capacitor also comprises: the liner paper tinsel being arranged on the binding site place of described lead-out wire and extraction paper tinsel.
Compared with prior art, the utility model compact conformation, comprise: core bag, shell, closing device, lead-out wire, draw paper tinsel, first isolating bar and thermal component, wherein, described lead-out wire comprises anode lead wire and cathode terminal, described extraction paper tinsel comprises anode and draws paper tinsel and cathode lead-out foil, described first isolating bar is arranged on described anode and draws between paper tinsel and cathode lead-out foil, thus positive pole can be avoided to draw the short circuit that between paper tinsel and negative pole extraction paper tinsel, generation touching causes, reduce the probability that aluminium electrolytic capacitor is short-circuited, improve the stability of aluminium electrolytic capacitor, groove is set at the end face of shell, in groove, is provided with thermal component, give the heat radiation of liquid electric capacity in use, reduce the possibility of explosion.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the structural representation of thermal component shown in Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 1 aluminium electrolytic capacitor;
Fig. 4 is the structural representation of the utility model embodiment 2;
Fig. 5 is the structural representation of the utility model embodiment 3.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment 1
With reference to accompanying drawing 1, Fig. 2 and Fig. 3, the present embodiment comprises: core bag 1, shell 2, closing device 3, lead-out wire, extraction paper tinsel, the first isolating bar 6 and the electrolyte be closed in shell 2, the end face of described shell 2 is provided with groove 9, is provided with thermal component 8 in described groove 9.
The thermal component 8 be arranged in groove 9 is made up of some hollow circular cylinder 8-1, one end of all hollow circular cylinder 8-1 is all fixed with the bottom surface of groove 9, the other end is towards the opening of groove 9, be positioned at hollow circular cylinder 8-1 on longitudinal section, groove 9 center all with the plane perpendicular of groove 9, the hollow circular cylinder 8-1 be positioned on the left of longitudinal section, center tilts to the left, and the hollow circular cylinder 8-1 be positioned on the right side of longitudinal section, center tilts to the right.
It is inner that described core bag 1 is arranged on described shell 2;
Described shell 2 is provided with the described closing device 3 sealed;
Lead-out wire runs through described closing device 3, and lead-out wire comprises: anode lead wire 41 and cathode terminal 42;
The one end of drawing paper tinsel is connected with described lead-out wire, and the other end is connected with described core bag 1, and described extraction paper tinsel comprises the anode be connected with described anode lead wire 41 and draws paper tinsel 51, and the cathode lead-out foil 52 be connected with described cathode terminal 42;
First isolating bar 6 is arranged on described anode and draws between paper tinsel 51 and cathode lead-out foil 52, and one end of described first isolating bar 6 is connected with described closing device 3, and the other end is connected with described core bag 1.
Aluminium electrolytic capacitor disclosed in the present application, comprise core bag, shell, closing device, lead-out wire, extraction paper tinsel and the first isolating bar, wherein, described lead-out wire comprises anode lead wire and cathode terminal, described extraction paper tinsel comprises anode and draws paper tinsel and cathode lead-out foil, described first isolating bar is arranged on described anode and draws between paper tinsel and cathode lead-out foil, thus positive pole can be avoided to draw the short circuit that between paper tinsel and negative pole extraction paper tinsel, generation touching causes, reduce the probability that aluminium electrolytic capacitor is short-circuited, improve the stability of aluminium electrolytic capacitor.
First isolating bar 6 is generally bar shaped isolating bar.
Embodiment 2
With reference to accompanying drawing 4, the difference of the present embodiment and embodiment 1 is only, the present embodiment also comprises the second isolating bar, and described second isolating bar is arranged between described extraction paper tinsel and shell 2.
Second isolating bar comprises: be arranged on the second plate isolating bar 71 between anode extraction paper tinsel 51 and shell 2, and be arranged on the second cathode isolation bar 72 between cathode lead-out foil 52 and shell 2.
Second isolating bar is generally semicircle arcuation isolating bar.
By arranging the second isolating bar in described aluminium electrolytic capacitor, anode can be avoided to draw paper tinsel and cathode lead-out foil and shell occur to touch the short circuit caused, the probability that further minimizing aluminium electrolytic capacitor is short-circuited, improves the stability of aluminium electrolytic capacitor.
The material of closing device 3 is epoxy resin or phenolic resins, usually utilize described epoxy resin or phenolic resin injection molding shaping.Described epoxy resin or phenolic resins can be used in preventing short circuit, improve the stability of aluminium electrolytic capacitor further.
Can be connected by implemented in many forms between lead-out wire with described extraction paper tinsel.Wherein in a kind of implementation, described lead-out wire and described extraction paper tinsel are formed with welding manner and are connected; Wherein, described welding manner comprises: ultrasonic bonding or laser welding.In the implementation that another kind is feasible, described lead-out wire and described extraction paper tinsel are formed in rivet mode and are connected.
All the other are substantially the same manner as Example 1.
Embodiment 3
With reference to accompanying drawing 5, the difference of the present embodiment and embodiment 1 is only, the present embodiment also comprises the first electrolytic paper and second electrolytic paper 81 of the described extraction paper tinsel that reels, and described second electrolytic paper 82 is arranged on the outside of described first electrolytic paper 81.
Aluminium electrolytic capacitor of the prior art to reel outward one deck electrolytic paper at extraction paper tinsel usually, and stability is not high, and such as, the burr of drawing on paper tinsel punctures described electrolytic paper sometimes, causes aluminium electrolytic capacitor short circuit to puncture.
And in aluminium electrolytic capacitor disclosed in the present application, be provided with the first electrolytic paper of the described extraction paper tinsel that reels, and the second electrolytic paper be arranged on outside described first electrolytic paper, avoid being short-circuited and puncture, and extend the life-span of aluminium electrolytic capacitor further, reduce use procedure due to the harmful effect brought of generating heat.
Aluminium electrolytic capacitor also comprises: liner paper tinsel 9, and described liner paper tinsel 9 is arranged on described lead-out wire and the binding site place of drawing paper tinsel, is conducive to avoiding the impact of extraneous concussion on described aluminium electrolytic capacitor.
All the other are substantially the same manner as Example 1.
Claims (7)
1. an aluminium electrolytic capacitor, it is characterized in that, described aluminium electrolytic capacitor comprises: core bag, shell, closing device, lead-out wire, extraction paper tinsel, the first isolating bar and the electrolyte be closed in shell, and the end face of described shell is provided with groove, is provided with thermal component in described groove; Described core bag is arranged on described enclosure; Described shell is provided with the described closing device sealed; Described lead-out wire runs through described closing device, and described lead-out wire comprises: anode lead wire and cathode terminal; One end of described extraction paper tinsel is connected with described lead-out wire, and the other end is connected with described core bag, and described extraction paper tinsel comprises the anode be connected with described anode lead wire and draws paper tinsel, and the cathode lead-out foil be connected with described cathode terminal; Described first isolating bar is arranged on described anode and draws between paper tinsel and cathode lead-out foil, and one end of described first isolating bar is connected with described closing device, and the other end is connected with described core bag.
2. aluminium electrolytic capacitor according to claim 1, it is characterized in that, the thermal component be arranged in groove is made up of some hollow circular cylinders, one end of all hollow circular cylinders is all fixed with the bottom surface of groove, the other end is towards the opening of groove, be positioned at hollow circular cylinder on groove center longitudinal section all with the plane perpendicular of groove, the hollow circular cylinder be positioned on the left of longitudinal section, center tilts to the left, and the hollow circular cylinder be positioned on the right side of longitudinal section, center tilts to the right.
3. aluminium electrolytic capacitor according to claim 1 and 2, it is characterized in that, described aluminium electrolytic capacitor also comprises: be arranged on the second isolating bar between described extraction paper tinsel and shell, described second isolating bar comprises: be arranged on the second plate isolating bar between described anode extraction paper tinsel and shell, and be arranged on the second cathode isolation bar between described cathode lead-out foil and shell.
4. aluminium electrolytic capacitor according to claim 3, is characterized in that, described second isolating bar is semicircle arcuation isolating bar.
5. aluminium electrolytic capacitor according to claim 1, is characterized in that, described lead-out wire and described extraction paper tinsel are formed in rivet mode and be connected.
6. aluminium electrolytic capacitor according to claim 1, is characterized in that, described aluminium electrolytic capacitor also comprises: the first electrolytic paper of the described extraction paper tinsel that reels; Be arranged on the second electrolytic paper outside described first electrolytic paper.
7. aluminium electrolytic capacitor according to claim 1, is characterized in that, described aluminium electrolytic capacitor also comprises: the liner paper tinsel being arranged on the binding site place of described lead-out wire and extraction paper tinsel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840779.3U CN204424092U (en) | 2014-12-26 | 2014-12-26 | A kind of aluminium electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840779.3U CN204424092U (en) | 2014-12-26 | 2014-12-26 | A kind of aluminium electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204424092U true CN204424092U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420840779.3U Expired - Fee Related CN204424092U (en) | 2014-12-26 | 2014-12-26 | A kind of aluminium electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204424092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111868862A (en) * | 2018-03-27 | 2020-10-30 | Tdk电子股份有限公司 | Capacitor and method for producing a capacitor |
| US11631546B2 (en) | 2018-03-27 | 2023-04-18 | Tdk Electronics Ag | Capacitor and method for producing a capacitor |
-
2014
- 2014-12-26 CN CN201420840779.3U patent/CN204424092U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111868862A (en) * | 2018-03-27 | 2020-10-30 | Tdk电子股份有限公司 | Capacitor and method for producing a capacitor |
| CN111868862B (en) * | 2018-03-27 | 2022-03-29 | Tdk电子股份有限公司 | Capacitor and method for producing a capacitor |
| US11631546B2 (en) | 2018-03-27 | 2023-04-18 | Tdk Electronics Ag | Capacitor and method for producing a capacitor |
| US11646164B2 (en) | 2018-03-27 | 2023-05-09 | Tdk Electronics Ag | Capacitor and method for producing a capacitor |
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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 |
Granted publication date: 20150624 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |