CN211654590U - Electrolytic capacitor - Google Patents
Electrolytic capacitor Download PDFInfo
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- CN211654590U CN211654590U CN202020597075.3U CN202020597075U CN211654590U CN 211654590 U CN211654590 U CN 211654590U CN 202020597075 U CN202020597075 U CN 202020597075U CN 211654590 U CN211654590 U CN 211654590U
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Abstract
The utility model discloses an electrolytic capacitor, which comprises a capacitor body, and a positive lead and a negative lead which are symmetrically arranged, wherein the positive lead and the negative lead are led out from the bottom of the capacitor body; the positive lead and the negative lead are respectively provided with a first connecting part connected with the capacitor body, a welding part vertical to the bottom of the capacitor body and a second connecting part connected between the first connecting part and the welding part, and one end of the welding part far away from the second connecting part extends towards the top of the capacitor body; and the common plane of the welding part of the anode lead and the welding part of the cathode lead and the capacitor body has no intersection point. Above-mentioned electrolytic capacitor passes through the welding part of anodal lead wire and the welding part and the circuit board welded fastening of negative pole lead wire to the dress of lying down on the circuit board, so, just need not cooperate electrolytic capacitor's height and leave very high space and place the circuit board in concrete product design, circuit board occupation space is littleer, does benefit to miniaturization, the ultra-thin development of product.
Description
Technical Field
The utility model relates to an electronic components technical field especially relates to an electrolytic capacitor.
Background
The electric capacity is essential basic component in electronic equipment and the power equipment, and along with the continuous improvement of science and technology, equipment technique is constantly promoted, and especially present power electronic device's large-scale use also is higher and higher to the requirement of condenser.
At present, the traditional electrolytic capacitors have two types, one is a plug-in type electrolytic capacitor, and the other is a patch type electrolytic capacitor. The traditional plug-in type electrolytic capacitor can not be attached to a circuit board by a machine, and only can be welded manually, so that the working efficiency is low, the productivity is low, the processing cost is high, and the reject ratio is high. The traditional patch type electrolytic capacitor is provided with a patch plastic base, so that the production cost is high. In addition, the chip type electrolytic capacitor with large capacity or large withstand voltage is large in size and high in height, the chip type electrolytic capacitor can only be mounted on a circuit board in a vertical mode and cannot be mounted on the circuit board in a horizontal mode, and therefore a very high space needs to be reserved by matching with the height of the electrolytic capacitor in product design to place the circuit board, the occupied space of the circuit board is large, and further miniaturization and ultrathin development of products are limited.
Disclosure of Invention
The utility model aims to solve the technical problem that an electrolytic capacitor is provided, aim at solving among the prior art because of electrolytic capacitor can not lie down to paste the dress and lead to the big and high problem of manufacturing cost of circuit board occupation space on the circuit board.
In order to solve the technical problem, the utility model discloses a as follows technical scheme:
an electrolytic capacitor comprises a capacitor body, and a positive lead and a negative lead which are symmetrically arranged, wherein the positive lead and the negative lead are led out from the bottom of the capacitor body; the positive electrode lead and the negative electrode lead are respectively provided with a first connecting part connected with the capacitor body, a welding part vertical to the bottom of the capacitor body and a second connecting part connected between the first connecting part and the welding part, and one end of the welding part, which is far away from the second connecting part, extends towards the top direction of the capacitor body; and the plane where the welding part of the positive lead and the welding part of the negative lead are located together does not have an intersection point with the capacitor body.
Preferably, a plane where the second connecting portion of the positive electrode lead and the second connecting portion of the negative electrode lead are located together is parallel to the bottom of the capacitor body.
Preferably, the first connection part of the positive electrode lead and the first connection part of the negative electrode lead form an included angle of 20-60 degrees.
Preferably, the first connection portion of the positive electrode lead and the first connection portion of the negative electrode lead form an included angle of 30 degrees.
Preferably, the second connecting part of the positive electrode lead and the second connecting part of the negative electrode lead form an included angle of 20-60 degrees.
Preferably, the second connecting part of the positive electrode lead and the second connecting part of the negative electrode lead form an included angle of 30 degrees.
Preferably, the top of the capacitor body is provided with an explosion-proof groove.
Preferably, the explosion-proof groove is a cross-shaped groove, a three-fork-shaped groove or a K-shaped groove.
Preferably, the side wall of the capacitor body is annularly provided with a groove.
Preferably, the side wall of the capacitor body is provided with a capacitor cathode mark.
The utility model has the advantages of: the utility model discloses an electrolytic capacitor, the weld part of anodal lead wire with the weld part of negative pole lead wire can the flat paste on the circuit board, and electrolytic capacitor passes through the weld part of anodal lead wire with negative pole lead wire's weld part and circuit board welded fastening to the dress of lying down to paste on the circuit board, so, just need not cooperate electrolytic capacitor's height and leave very high space and place the circuit board in concrete product design, circuit board occupation space is littleer, does benefit to miniaturization, the ultra-thin development of product. In addition, the capacitor body is supported by the anode lead and the cathode lead, the electrolytic capacitor is welded on the circuit board, a chip plastic base is omitted, and the raw material cost and the processing cost are saved, so that the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a bottom view of an electrolytic capacitor according to the present invention;
fig. 2 is a right side view of the electrolytic capacitor of the present invention.
Reference numerals
10 a capacitor body; 11, the bottom of the capacitor body; 12, grooves; 13, identifying a negative electrode of the capacitor; 20 a positive electrode lead; 30 a negative electrode lead; 31 a first connection portion of a negative electrode lead; a second connection portion of the 32 negative electrode lead; 33 negative electrode lead.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
As shown in fig. 1 and 2, in an embodiment of the present invention, an electrolytic capacitor includes a capacitor body 10 and a positive electrode lead 20 and a negative electrode lead 30 symmetrically disposed, wherein the positive electrode lead 20 and the negative electrode lead 30 are led out from a bottom 11 of the capacitor body 10. The negative electrode lead 30 includes a first connection portion 31 connected to the capacitor body 10, a soldering portion 33 perpendicular to the bottom 11 of the capacitor body 10, and a second connection portion 32 connected between the first connection portion 31 and the soldering portion 33, and one end of the soldering portion 33 away from the second connection portion 32 extends in a top direction of the capacitor body 10. The positive electrode lead 20 has the same structure as the negative electrode lead 30, that is, the positive electrode lead 20 also has a first connection portion connected to the capacitor body 10, a welded portion perpendicular to the bottom portion 11 of the capacitor body 10, and a second connection portion connected between the first connection portion and the welded portion. The plane where the welding portion of the positive electrode lead 20 and the welding portion 33 of the negative electrode lead 30 are located together does not have an intersection with the capacitor body 10.
In the embodiment of the utility model, the weld part of positive pole lead wire 20 with the weld part 33 of negative pole lead wire 30 can paste on the circuit board flatly, and electrolytic capacitor passes through the weld part of positive pole lead wire 20 with the weld part 33 and the circuit board welded fastening of negative pole lead wire 30 to the dress of lying down to paste on the circuit board, so, just need not cooperate electrolytic capacitor's height and leave very high space and place the circuit board in concrete product design, circuit board occupation space is littleer, does benefit to the miniaturization of product, ultra-thin development. In addition, the capacitor body is supported by the anode lead 20 and the cathode lead 30, the electrolytic capacitor is welded on the circuit board, a chip plastic base is omitted, the raw material cost and the processing cost are saved, and therefore the production cost is reduced.
In some preferred embodiments of the present invention, a common plane of the second connection portion of the positive electrode lead 20 and the second connection portion 32 of the negative electrode lead 30 is parallel to the bottom 11 of the capacitor body 10. In the embodiment of the present invention, the second connecting portion of the positive electrode lead 20 and the second connecting portion 32 of the negative electrode lead 30 can be flatly attached to the circuit board, and the electrolytic capacitor passes through the second connecting portion of the positive electrode lead 20 and the second connecting portion 32 of the negative electrode lead 30 are welded and fixed to the circuit board, so that the electrolytic capacitor can be attached to the circuit board immediately, therefore, the embodiment of the present invention provides an electrolytic capacitor which can be attached to the circuit board both horizontally and immediately.
In some preferred embodiments of the present invention, the first connection portion of the positive electrode lead 20 and the first connection portion 31 of the negative electrode lead 30 are included angles with certain angles, and as a preferred solution, the angle of the included angle is 20 to 60 degrees, and more preferably, the first connection portion of the positive electrode lead 20 and the first connection portion 31 of the negative electrode lead 30 are included angles with 30 degrees.
The first connecting part of the positive lead 20 and the first connecting part 31 of the negative lead 30 form an included angle with a certain angle, so that the distance between the second connecting part of the positive lead 20 and the second connecting part 32 of the negative lead 30 is farther, and further the distance between the welding part of the positive lead 20 and the welding part 33 of the negative lead 30 is farther, when the electrolytic capacitor is vertically attached to a circuit board, the second connecting part of the positive lead 20 and the second connecting part 32 of the negative lead 30 have a larger supporting range, so that the electrolytic capacitor is better supported, and the stability of the electrolytic capacitor is facilitated; when the electrolytic capacitor is horizontally mounted on the circuit board, the welding part 33 of the anode lead 20 and the welding part 33 of the cathode lead 30 have a larger supporting range, so that the electrolytic capacitor is better supported, and the stability of the electrolytic capacitor is facilitated.
In some preferred embodiments of the present invention, the second connecting portion of the positive electrode lead 20 and the second connecting portion 32 of the negative electrode lead 30 are included angles with a certain angle, and as a preferred solution, the included angle is 20 to 60 degrees, and more preferably, the second connecting portion of the positive electrode lead 20 and the second connecting portion 32 of the negative electrode lead 30 are included angles with a 30 degree.
The second connecting portion of positive pole lead wire 20 with the second connecting portion 32 of negative pole lead wire 30 is the contained angle of certain angle, can make the weld part of positive pole lead wire 20 with distance between the weld part 33 of negative pole lead wire 30 is farther, and when electrolytic capacitor was pasted the dress on the circuit board for sleeping in, the weld part of positive pole lead wire 20 with negative pole lead wire 30's weld part 33 has bigger support range, plays better supporting role to electrolytic capacitor, does benefit to electrolytic capacitor station steady.
In some preferred embodiments of the present invention, the top of the capacitor body 10 is provided with an explosion-proof groove, and the explosion-proof groove may be a cross-shaped groove, a three-fork-shaped groove or a K-shaped groove. The explosion-proof groove is used for releasing the pressure inside the capacitor body 10, and when the pressure inside the capacitor body 10 reaches a limit value, the explosion-proof groove can be arched to release the pressure, so that the electrolytic capacitor is prevented from exploding.
In some preferred embodiments of the present invention, the side wall of the capacitor body 10 is surrounded by a groove 12, and the groove 12 increases the surface area of the capacitor body 10, thereby enhancing the heat dissipation performance of the electrolytic capacitor; in addition, the arrangement of the groove 12 also enhances the strength of the capacitor body 10, thereby enhancing the explosion-proof performance of the electrolytic capacitor.
In some preferred embodiments of the present invention, the sidewall of the capacitor body 10 is further provided with a capacitor negative electrode identifier 13.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.
Claims (10)
1. An electrolytic capacitor, characterized in that: the electrolytic capacitor comprises a capacitor body, and a positive lead and a negative lead which are symmetrically arranged, wherein the positive lead and the negative lead are led out from the bottom of the capacitor body; the positive electrode lead and the negative electrode lead are respectively provided with a first connecting part connected with the capacitor body, a welding part vertical to the bottom of the capacitor body and a second connecting part connected between the first connecting part and the welding part, and one end of the welding part, which is far away from the second connecting part, extends towards the top direction of the capacitor body; and the plane where the welding part of the positive lead and the welding part of the negative lead are located together does not have an intersection point with the capacitor body.
2. The electrolytic capacitor of claim 1, wherein: and the plane where the second connecting part of the anode lead and the second connecting part of the cathode lead are located is parallel to the bottom of the capacitor body.
3. The electrolytic capacitor of claim 2, wherein: the first connecting portion of the positive electrode lead and the first connecting portion of the negative electrode lead form an included angle of 20-60 degrees.
4. The electrolytic capacitor of claim 3, wherein: the first connecting portion of the positive electrode lead and the first connecting portion of the negative electrode lead form an included angle of 30 degrees.
5. The electrolytic capacitor of claim 2, wherein: the second connecting part of the positive electrode lead and the second connecting part of the negative electrode lead form an included angle of 20-60 degrees.
6. The electrolytic capacitor of claim 5, wherein: the second connecting part of the positive lead and the second connecting part of the negative lead form an included angle of 30 degrees.
7. The electrolytic capacitor of claim 1, wherein: the top of the capacitor body is provided with an explosion-proof groove.
8. The electrolytic capacitor of claim 7, wherein: the explosion-proof groove is a cross-shaped groove, a three-fork-shaped groove or a K-shaped groove.
9. The electrolytic capacitor of claim 1, wherein: the side wall of the capacitor body is annularly provided with a groove.
10. The electrolytic capacitor as claimed in any one of claims 1 to 9, wherein: and the side wall of the capacitor body is provided with a capacitor cathode mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597075.3U CN211654590U (en) | 2020-04-20 | 2020-04-20 | Electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020597075.3U CN211654590U (en) | 2020-04-20 | 2020-04-20 | Electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211654590U true CN211654590U (en) | 2020-10-09 |
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ID=72689163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020597075.3U Active CN211654590U (en) | 2020-04-20 | 2020-04-20 | Electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211654590U (en) |
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2020
- 2020-04-20 CN CN202020597075.3U patent/CN211654590U/en active Active
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