CN213635727U

CN213635727U - Aluminum electrolytic capacitor with improved structure

Info

Publication number: CN213635727U
Application number: CN202022990517.3U
Authority: CN
Inventors: 罗际铨
Original assignee: Suzhou Kaimei Electronics Co ltd
Current assignee: Suzhou Kaimei Electronics Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-07-06
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a construction improvement's aluminum electrolytic capacitor, the power distribution box comprises a box body, equidistant welding of lateral wall one end of box has a plurality of fin, the welding of the lateral wall lower extreme of box has the fixed column, the lower extreme of box is pegged graft and is had latch mechanism, latch mechanism includes base and L type spacing groove, the base cup joints with the box, and L type spacing groove has been seted up along vertical line direction to the upper surface of base, equidistant welding of the inside lower table wall of base has two connecting plates, the lower table wall of two connecting plates has welded second positive lead and second negative pole lead respectively. The utility model discloses in, this construction improvement's aluminum electrolytic capacitor, when the maintenance was changed, through the rotatory box, make fixed column and L type spacing groove break away from to break away from the condenser that damages with the base, make the device reach the purpose of being convenient for maintain and change, peg graft with three L type spacing groove each other through asymmetric distribution's three fixed column, make the device reach the purpose of positive negative pole.

Description

Aluminum electrolytic capacitor with improved structure

Technical Field

The utility model relates to an aluminum electrolytic capacitor technical field especially relates to an aluminum electrolytic capacitor of institutional advancement.

Background

At present, aluminum electrolytic capacitors are widely applied to industrial power supplies and consumer electronic products, and the performance of the aluminum electrolytic capacitors requires high ripple resistance and low impedance, ultrahigh voltage and other requirements, while the existing aluminum electrolytic capacitors generally comprise an aluminum shell and an electric core, wherein the electric core comprises a positive aluminum foil, a negative aluminum foil, a positive guide pin and a negative guide pin; the positive electrode guide pin is riveted with the positive electrode aluminum foil, the negative electrode guide pin is riveted with the negative electrode aluminum foil, or a guide foil strip is adopted to connect the terminal with the internal positive and negative electrode foils. The guide pin or the foil guide strip is adopted, and the cross section area of the guide pin or the foil guide strip is small, so that the contact surface with the positive and negative aluminum foils is small, the metal resistance is large, the rated current-carrying capacity is small, the improvement of the performance of the product is limited to a certain extent, and when a large current passes through the guide pin or the foil guide strip, even the exposed terminal can be fused.

The existing aluminum electrolytic capacitor is simple in structure, the aluminum electrolytic capacitor cannot be installed and welded more conveniently, the whole circuit board is required to be disassembled inconveniently when maintenance and replacement are required, the installation of the anode and the cathode is required to be noticed, otherwise, the circuit board can be burnt out, the integral heat dissipation performance is poor, and the capacitor is damaged by high heat easily generated when the capacitor is used for a long time or the pressure is too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an aluminum electrolytic capacitor with heat dissipation, anode and cathode separation and convenient replacement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an aluminum electrolytic capacitor with an improved structure comprises a box body, wherein a plurality of radiating fins are welded at one end of the side wall of the box body at equal intervals, and a fixing column is welded at the lower end of the side wall of the box body;

the lower end of the box body is inserted with a clamping mechanism;

the clamping mechanism comprises a base and an L-shaped limiting groove, the base is sleeved with the box body, the L-shaped limiting groove is formed in the upper surface of the base along the vertical line direction, two connecting plates are welded on the inner lower surface wall of the base at equal intervals, and a second anode lead and a second cathode lead are welded on the lower surface wall of the two connecting plates respectively.

Preferably, the number of the fixed columns is three, and the three fixed columns are asymmetrically distributed at the center of the circle of the box body.

Preferably, the number of the L-shaped limiting grooves is three, and the positions of the three L-shaped limiting grooves are overlapped with the fixing column.

Preferably, the center of the upper surface of the box body is provided with an explosion-proof hole.

Preferably, the inside upper end of box inlays and is equipped with the core, the inside lower extreme of box inlays and is equipped with the rubber buffer, and the lower extreme of core and the corresponding position department of second positive lead and second negative lead weld respectively has first positive lead and first negative lead, the one end of first positive lead and first negative lead runs through the rubber buffer and outwards extends the welding and has the arc contact.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the aluminum electrolytic capacitor with improved structure can achieve the purpose of heat dissipation through the arrangement of a plurality of radiating fins.

2. In the utility model, when the aluminum electrolytic capacitor with improved structure is maintained and replaced, the fixed column and the L-shaped spacing groove are separated through the rotary box body, so that the damaged capacitor is separated from the base, and the device achieves the purpose of being convenient for maintenance and replacement.

3. In the utility model, the three fixed columns and the three L-shaped spacing grooves which are distributed asymmetrically are mutually spliced, so that the device achieves the purpose of separating the positive and negative poles.

Drawings

Fig. 1 is a sectional view of an aluminum electrolytic capacitor with an improved structure according to the present invention;

FIG. 2 is a front view of an aluminum electrolytic capacitor with an improved structure;

FIG. 3 is a schematic structural diagram of a heat sink of an aluminum electrolytic capacitor with an improved structure according to the present invention;

fig. 4 is a schematic structural diagram of a clamping mechanism of an aluminum electrolytic capacitor with an improved structure according to the present invention.

Illustration of the drawings:

1. a box body; 2. a heat sink; 3. an explosion-proof hole; 4. a core; 5. a rubber plug; 6. a first positive electrode lead; 61. a first negative electrode lead; 7. an arc-shaped contact; 8. fixing a column; 9. a clamping mechanism; 91. a base; 92. an L-shaped limiting groove; 93. a connecting plate; 94. a second positive electrode lead; 95. a second negative electrode lead.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an aluminum electrolytic capacitor with an improved structure comprises a box body 1, wherein a plurality of radiating fins 2 are welded at one end of the side wall of the box body 1 at equal intervals, and a fixing column 8 is welded at the lower end of the side wall of the box body 1;

the lower end of the box body 1 is inserted with a clamping mechanism 9;

the clamping mechanism 9 comprises a base 91 and an L-shaped limiting groove 92, the base 91 is sleeved with the box body 1, the L-shaped limiting groove 92 is formed in the upper surface of the base 91 along the vertical line direction, two connecting plates 93 are welded to the inner lower surface wall of the base 91 at equal intervals, and a second anode lead 94 and a second cathode lead 95 are welded to the lower surface walls of the two connecting plates 93 respectively.

The number of the fixing columns 8 is three, and the three fixing columns 8 are asymmetrically distributed relative to the circle center of the box body 1.

The number of the L-shaped limiting grooves 92 is three, and the positions of the three L-shaped limiting grooves 92 coincide with the fixing column 8.

The center of the upper surface of the box body 1 is provided with an explosion-proof hole 3.

The inside upper end of box 1 inlays and is equipped with core 4, and the inside lower extreme of box 1 inlays and is equipped with rubber buffer 5, and the lower extreme of core 4 and the corresponding position department of second positive lead 94 and second negative lead 95 weld respectively and have first positive lead 6 and first negative lead 61, and the one end of first positive lead 6 and first negative lead 61 runs through rubber buffer 5 and outwards extends the welding and has arc contact 7.

The working principle is as follows:

when the aluminum electrolytic capacitor with the improved structure is installed, a second anode lead 94 and a second cathode lead 95 are welded at corresponding positions, the capacitor is mutually inserted with an L-shaped limiting groove 92 through three fixing columns 8, so that the device can be inserted only in one direction, the device achieves the purpose of separating the anode and the cathode, the device rotates along the direction of the L-shaped limiting groove 92, an arc contact 7 and a connecting plate 93 are mutually tightly attached to complete installation, when the capacitor is overheated due to long-time use, the capacitor is radiated through a plurality of radiating fins 2, the device achieves the purpose of radiating, when the capacitor needs to be maintained and replaced, the arc contact 7 is separated from the L-shaped limiting groove 92 through reversely rotating the capacitor, the capacitor can be taken out, a new capacitor can be maintained and replaced through mutual insertion of the three fixing columns 8 and the L-shaped limiting groove 92, the device achieves the purpose of convenient maintenance and replacement.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An aluminum electrolytic capacitor with an improved structure comprises a box body (1), and is characterized in that a plurality of radiating fins (2) are welded at one end of the side wall of the box body (1) at equal intervals, and a fixing column (8) is welded at the lower end of the side wall of the box body (1);

the lower end of the box body (1) is inserted with a clamping mechanism (9);

clamping mechanism (9) include base (91) and L type spacing groove (92), base (91) cup joint with box (1), and L type spacing groove (92) have been seted up along vertical line direction to the upper surface of base (91), equidistant welding of the inside lower table wall of base (91) has two connecting plates (93), the lower table wall of two connecting plates (93) has welded second positive lead (94) and second negative pole lead (95) respectively.

2. The aluminum electrolytic capacitor with the improved structure as recited in claim 1, wherein the number of the fixing posts (8) is three, and the three fixing posts (8) are asymmetrically distributed about the center of the tank (1).

3. The aluminum electrolytic capacitor with the improved structure as recited in claim 2, wherein three L-shaped limiting grooves (92) are provided, and the positions of the three L-shaped limiting grooves (92) coincide with the fixing posts (8).

4. The aluminum electrolytic capacitor with the improved structure as recited in claim 1, wherein the center of the upper surface of the case (1) is provided with an explosion-proof hole (3).

5. The aluminum electrolytic capacitor with the improved structure as recited in claim 1, wherein the core (4) is embedded at the upper end of the interior of the box body (1), the rubber plug (5) is embedded at the lower end of the interior of the box body (1), the lower end of the core (4) and the corresponding positions of the second anode lead (94) and the second cathode lead (95) are respectively welded with the first anode lead (6) and the first cathode lead (61), and one ends of the first anode lead (6) and the first cathode lead (61) penetrate through the rubber plug (5) and are welded with the arc-shaped contact (7) in an outward extending manner.