CN216818108U

CN216818108U - Double-positive double-negative welding pin type capacitor

Info

Publication number: CN216818108U
Application number: CN202123221480.9U
Authority: CN
Inventors: 陈金建; 李杨; 李强
Original assignee: Nantong Hicon Electronics Co ltd
Current assignee: Nantong Hicon Electronics Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-24
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a double-positive double-negative welding pin type capacitor, which comprises a capacitor shell, wherein a plurality of detachable mounting caps are arranged at the shaft end of the capacitor shell, and a detachable welding terminal is electrically connected between each mounting cap and the capacitor shell; the number of the welding terminals can be adjusted by detaching the mounting cap from the capacitor shell, and only one positive electrode welding terminal and one negative electrode welding terminal are reserved when the capacitor is in conventional use, so that the capacitor can be conveniently adjusted and used. The capacitor shell comprises a metal connecting terminal in threaded fit with the mounting cap, and the metal connecting terminal comprises two positive terminals which are electrically connected and electrically connected with the capacitor and two negative terminals which are electrically connected and electrically connected with the capacitor. Through two positive terminals and two negative terminal, increased the cross-sectional area of welding terminal, promoted welding terminal's resistance, consequently under same voltage condition, ripple current will greatly reduce. Thereby improving the ripple current resistance of the capacitor. The service life is prolonged.

Description

Double-positive double-negative welding pin type capacitor

Technical Field

The utility model relates to the field of capacitors, in particular to a double-positive and double-negative welding pin type capacitor.

Background

The capacitor is an element that stores electricity and electric energy (potential energy). One conductor is surrounded by another conductor or the electric field lines emanating from one conductor all terminate in the conductor system of the other conductor, called a capacitor. The conventional capacitor terminals are all 1 positive electrode and 1 negative electrode. However, since the pin type terminal has a small diameter, the terminal is weak in strength during soldering and mounting, and when the capacitor is operated, the capacitor is heated due to inevitable ripple current in a power supply, and the terminal is continuously operated in a high temperature environment, thereby shortening the service life of the capacitor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the double-positive double-negative welding pin type capacitor, the cross section area of the terminal is increased, and the resistance of the terminal is improved, so that the ripple current is greatly reduced under the same voltage condition. Thereby improving the ripple current resistance of the capacitor. The service life is prolonged.

In order to solve the technical problems, the utility model provides the following technical scheme: the double-positive double-negative welding pin type capacitor comprises a capacitor shell, wherein a plurality of detachable mounting caps are arranged at the shaft end of the capacitor shell, and detachable welding terminals are electrically connected between the mounting caps and the capacitor shell;

the capacitor shell comprises a metal connecting terminal in threaded fit with the mounting cap, and the metal connecting terminal comprises two positive terminals which are electrically connected and electrically connected with the capacitor, and two negative terminals which are electrically connected and electrically connected with the capacitor.

As a preferred technical solution of the present invention, the metal connection terminal further includes a positioning terminal disposed between the two positive terminals and the two negative terminals, and the mounting cap includes a positioning mounting cap screwed with the positioning terminal, a positive mounting cap screwed with the positive terminal, and a negative mounting cap screwed with the negative terminal.

According to a preferable technical scheme of the utility model, one end of the metal connecting terminal of the capacitor shell is provided with a groove, a rubber sealing plug which is annularly provided with a plurality of notches is embedded in the groove, and the axial height of the rubber sealing plug is higher than that of the end part of the metal connecting terminal.

In a preferred embodiment of the present invention, the solder terminal includes a gasket having a lower end integrally formed and fitted with the metal connection terminal.

As a preferred technical scheme of the utility model, the upper surface of the anode mounting cap is provided with a cross groove, the upper surface of the cathode mounting cap is provided with a straight groove, and the upper surface of the positioning mounting cap is provided with a cross groove.

As a preferred technical solution of the present invention, the upper surface of the positive terminal is provided with a cross-shaped groove, and the upper surface of the negative terminal on the opposite side is provided with a straight groove.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the cross-sectional area of the welding terminal is increased through the two positive terminals and the two negative terminals, the resistance of the welding terminal is improved, and therefore ripple current is greatly reduced under the same voltage condition. Thereby improving the ripple current resistance of the capacitor. The service life is prolonged.

2. Through the locating terminal who sets up, be formed with five welded terminal, fixed effect is better, and the location installation of being convenient for prevents positive negative pole installation mistake.

3. The number of solder terminals can be adjusted by removing the mounting cap from the capacitor case, and only one positive and negative solder terminal remains when in normal use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of a positive electrode welding terminal and a negative electrode welding terminal according to the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic illustration of an explosive structure according to the present invention;

FIG. 5 is a schematic structural diagram of a capacitor case according to the present invention;

FIG. 6 is a schematic view of the positive mounting cap of the present invention;

fig. 7 is a schematic structural view of a negative mounting cap of the present invention;

fig. 8 is a schematic view of the positioning and mounting cap structure of the present invention.

Wherein: 1. a capacitor case; 11. a metal connection terminal; 111. a positive terminal; 112. a negative terminal; 113. a positioning terminal; 12. a groove; 13. a rubber sealing plug;

2. installing a cap; 21. a positive mounting cap; 22. a negative mounting cap; 23. positioning the mounting cap;

3. and welding the terminal.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental procedures in the following examples were carried out in a conventional manner unless otherwise specified, and materials, reagents and the like used in the following examples were commercially available unless otherwise specified.

The embodiment is as follows:

as shown in fig. 1-8, the utility model provides a double-positive double-negative welding pin type capacitor, which comprises a capacitor shell 1, wherein a plurality of detachable mounting caps 2 are arranged at the shaft ends of the capacitor shell 1, and a detachable welding terminal 3 is electrically connected between the mounting caps 2 and the capacitor shell 1; the number of the welding terminals 3 can be adjusted by removing the mounting cap 2 from the capacitor case 1, and when the capacitor is in normal use, only one positive and negative welding terminal 3 (as shown in fig. 2) is reserved, thereby facilitating the adjustment and use of the capacitor. The capacitor case 1 includes a metal connection terminal 11 in threaded fit with the mounting cap 2, and the metal connection terminal 11 includes two positive terminals 111 electrically connected and electrically connected with the capacitor, and two negative terminals 112 electrically connected and electrically connected with the capacitor. As shown in fig. 1, the cross-sectional area of the weld terminal 3 is increased by the two positive terminals 111 and the two negative terminals 112, and the resistance of the weld terminal 3 is increased.

Preferably, the metal connection terminal 11 further includes a positioning terminal 113 disposed between the two positive terminals 111 and the two negative terminals 112, and the mounting cap 2 includes a positioning mounting cap 23 screwed with the positioning terminal 113, a positive mounting cap 21 screwed with the positive terminal 111, and a negative mounting cap 22 screwed with the negative terminal 112. Through the positioning terminal 113 arranged between the positive terminal 111 and the negative terminal 112, the positioning of the capacitor and the circuit board is facilitated, and the total five welding terminals 3 are more firmly fixed and have better stability (as shown in fig. 1). The removal of the solder terminal 3 from the metal connection terminal 11 is facilitated by the screw-coupling of the mounting cap 2 to the metal connection terminal 11, and five solder terminals 3 are adjusted to two common solder terminals 3 (shown in fig. 2).

Preferably, a groove 12 is formed in one end of the metal connecting terminal 11 of the capacitor shell 1, a rubber sealing plug 13 with a plurality of annular notches is embedded in the groove 12, and the axial height of the rubber sealing plug 13 is higher than that of the end portion of the metal connecting terminal 11. The rubber sealing plug 13 is higher in axial height than the end of the metal connecting terminal 11, and prevents the remaining positive terminal 111, negative terminal 112 and positioning terminal 113 from contacting the circuit board in the state of two solder terminals 3, and from short-circuiting (as shown in fig. 2).

Preferably, the solder terminal 3 includes a washer integrally formed at a lower end thereof to be fitted over the metal connection terminal 11. The upper surface of the anode mounting cap 21 is provided with a cross groove, the upper surface of the cathode mounting cap 22 is provided with a straight groove, and the upper surface of the positioning mounting cap 23 is provided with a meter-shaped groove. The upper surface of the positive terminal 111 is provided with a cross-shaped groove, and the upper surface of the negative terminal 112 on the opposite side is provided with a straight groove. A straight groove (as shown in fig. 7) is formed in the upper surface of the negative electrode mounting cap 22, a cross groove (as shown in fig. 6) is formed in the upper surface of the positive electrode mounting cap 21, a cross groove (as shown in fig. 8) is formed in the upper surface of the positioning mounting cap 23, so that the positive electrode and the negative electrode can be distinguished, the flat screwdriver is convenient to disassemble, the cross groove is formed in the upper surface of the positive electrode terminal 111, the straight groove is formed in the upper surface of the negative electrode terminal 112 on the opposite side, and the positive electrode terminal 111 and the negative electrode terminal 112 can be distinguished conveniently.

When the welding device is used, the two welding terminals 3 and the two negative terminals 112 are fixedly sleeved, the negative mounting cap 22 is screwed to the negative terminal 112, the welding terminals 3 are extruded and fixed at the negative terminal 112, then the two welding terminals 3 are sleeved at the two positive terminals 111, the two welding terminals 3 are extruded at the positive terminal 111 through the positive mounting cap 21, the cross-sectional area of the welding terminals 3 is increased through the two positive terminals 111 and the two negative terminals 112, the resistance of the welding terminals 3 is improved, and therefore ripple current is greatly reduced under the same voltage condition. Thereby improving the ripple current resistance of the capacitor. The service life is prolonged, the capacitor can be adjusted to be two conventional welding terminal 3 structures according to needs through the threaded connection of the mounting cap 2 and the metal connecting terminal 11, and meanwhile, the number of the welding terminals 3 is increased through the positioning terminals 113 arranged, so that the whole fixing is firmer, and the stability is better.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Two positive two negative welding needle formula condenser, including capacitor case (1), its characterized in that: a plurality of detachable mounting caps (2) are arranged at the shaft end of the capacitor shell (1), and a detachable welding terminal (3) is electrically connected between the mounting caps (2) and the capacitor shell (1);

capacitor case (1) including with installation cap (2) screw-thread fit's metal connecting terminal (11), metal connecting terminal (11) including two electric connection and with positive terminal (111) of condenser electricity federation, two electric connection and with negative terminal (112) of condenser electricity federation.

2. The double positive double negative bond pin capacitor of claim 1 wherein: the metal connecting terminal (11) is characterized by further comprising a positioning terminal (113) arranged between the two positive terminals (111) and the two negative terminals (112), and the mounting cap (2) comprises a positioning mounting cap (23) in threaded connection with the positioning terminal (113), a positive mounting cap (21) in threaded connection with the positive terminals (111), and a negative mounting cap (22) in threaded connection with the negative terminals (112).

3. The double positive double negative bond pin capacitor of claim 1 wherein: a groove (12) is formed in one end of a metal connecting terminal (11) of the capacitor shell (1), a rubber sealing plug (13) with a plurality of notches is formed in the groove (12) in an embedded mode, and the axial height of the rubber sealing plug (13) is higher than that of the end portion of the metal connecting terminal (11).

4. The double positive double negative bond pin capacitor of claim 1 wherein: the welding terminal (3) comprises a gasket which is integrally formed at the lower end and is sleeved with the metal connecting terminal (11).

5. The double positive double negative bond pin capacitor of claim 2 wherein: the upper surface of the anode mounting cap (21) is provided with a cross groove, the upper surface of the cathode mounting cap (22) is provided with a straight groove, and the upper surface of the positioning mounting cap (23) is provided with a cross groove.

6. The double positive double negative bond pin capacitor of claim 1 wherein: the upper surface of the positive terminal (111) is provided with a cross groove, and the upper surface of the negative terminal (112) on the opposite side is provided with a straight groove.