CN210489451U

CN210489451U - Aluminum electrolytic capacitor

Info

Publication number: CN210489451U
Application number: CN201921796575.3U
Authority: CN
Inventors: 孟杰杰; 孙超; 王鑫磊; 蒋碧华
Original assignee: Jiangsu Ruiyoukang Electronic Technology Co ltd
Current assignee: Jiangsu Ruiyoukang Electronic Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-08
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses an aluminum electrolytic capacitor relates to the electronic components field, and it is more troublesome to change to current aluminum electrolytic capacitor, and the great problem of aluminum electrolytic capacitor calorific capacity, now proposes following scheme, and it includes circuit board and capacitor body, the skin weld of circuit board has the heat conduction support of two symmetric distributions, the fixed lantern ring that all is connected with of one end that the circuit board was kept away from to the heat conduction support, two draw bar holes that are the symmetry and set up are seted up to the side of the lantern ring, all rotate the heat conduction pull rod of installing the L type in the draw bar hole, the heat conduction pull rod is located the inside one end fixedly connected with heat conduction clamp splice of the lantern ring, a side welding that heat conduction clamp splice and lantern ring are close to each other has clamping. The utility model discloses novel structure, and the device not only have the function of deriving the heat that the condenser produced fast, do not need the welding to realize the installation of condenser simultaneously, and the condenser can comparatively convenient dismantlement, suitable popularization.

Description

Aluminum electrolytic capacitor

Technical Field

The utility model relates to an electronic components field especially relates to an aluminum electrolytic capacitor.

Background

An aluminum electrolytic capacitor is a capacitor made by using an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode, and is called as an aluminum electrolytic capacitor. It is a general electrolytic capacitor made of aluminium material with good electric property, wide application range and high reliability.

Most of the existing aluminum electrolytic capacitors are connected with a circuit board in a welding mode, so that great inconvenience is brought to capacitor replacement; in addition, the aluminum electrolytic capacitor has a large heat value when in use, and the service life of the aluminum electrolytic capacitor is greatly influenced by temperature, so that the aluminum electrolytic capacitor is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aluminum electrolytic capacitor solves the problem that current aluminum electrolytic capacitor is more troublesome to change and the aluminum electrolytic capacitor has a large heat productivity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an aluminum electrolytic capacitor comprises a circuit board and a capacitor body, wherein the surface of the circuit board is welded with two heat conduction supports which are symmetrically distributed, one ends of the heat conduction supports, which are far away from the circuit board, are fixedly and respectively connected with lantern rings, the side surfaces of the lantern rings are provided with two pull rod holes which are symmetrically arranged, L-shaped heat conduction pull rods are respectively and rotatably arranged in the pull rod holes, one ends of the heat conduction pull rods, which are positioned in the lantern rings, are fixedly connected with heat conduction clamping blocks, one side surfaces of the heat conduction clamping blocks, which are close to the lantern rings, are welded with clamping springs, the heat conduction pull rods penetrate through the clamping springs, the upper surface of the circuit board is welded with an insert box, the insert box is positioned in the middle position of the two heat conduction supports, the top end of the insert box is open, the inner surface of the bottom end of, the conductive pin is electrically connected with the circuit board, the outer surface of the capacitor body is connected with the heat conduction clamping block in a sliding mode, two pins which are symmetrically distributed are fixedly connected to the bottom end of the capacitor body, a plug-in buckle is fixedly connected to one end, far away from the capacitor body, of each pin, two conductive grooves matched with the conductive pin are formed in the plug-in buckle, one ends, far away from the capacitor body, of the conductive grooves are arranged in an open mode, a conductive spring is welded to the inner surface of the bottom end of each conductive groove, a contact is welded to one end, far away from the capacitor body, of each conductive spring, and the contact is electrically.

Preferably, the surfaces of one sides of the two heat-conducting clamping blocks, which are far away from the heat-conducting pull rod, are uniformly coated with heat-dissipating silicone grease.

Preferably, the two side walls of the plug-in box are both provided with limiting holes, and the limiting holes penetrate through the two side walls of the plug-in box.

Preferably, the top end of the insert buckle is provided with a stop dog, and the two sides of the insert buckle are fixedly connected with elastic limit clamps.

Preferably, the conductive spring is electrically connected with the pin.

The utility model has the advantages that:

1. the heat conducting clamping block is in contact with the outer surface of the capacitor body under the pushing of the elastic force of the clamping spring, the heat radiating silicone grease is coated on the surface of one side, close to the capacitor body, of the heat conducting clamping block, heat generated by the working of the capacitor is transmitted to the circuit board through the heat radiating silicone grease through the heat conducting clamping block, the heat conducting pull rod and the heat conducting support, and the function of rapidly guiding out the heat generated by the capacitor can be achieved due to the fact that the area of the circuit board is large enough.

2. The plug-in buckle is inserted into the plug-in box, so that the contact inside the plug-in buckle is in contact communication with the conductive pin under the elastic force of the conductive spring, and the conductive pin penetrates through the plug-in box to be electrically connected with the circuit board, so that the capacitor is electrically connected with the circuit board, and the capacitor can be mounted without welding; the elastic limiting cards on the two sides of the plug buckle are pressed through fingers or tweezers, the socket is pulled out from the plug box, the capacitor and the circuit board are disconnected, the capacitor body is pulled out from the lantern ring to separate the whole capacitor from the lantern ring, the capacitor is disassembled, and the capacitor can be disassembled conveniently.

In conclusion, the device not only has the function of exporting the heat that the condenser produced fast, need not weld simultaneously and can realize the installation of condenser, and the condenser can comparatively convenient dismantlement, suitable popularization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a sectional view showing the installation of the capacitor connecting portion.

Reference numbers in the figures: the circuit board comprises a circuit board 1, a heat conduction bracket 2, a lantern ring 3, a capacitor body 4, a heat conduction pull rod 5, pins 6, a plug-in buckle 7, a plug-in box 8, a conductive spring 9, a contact 10, a conductive pin 11, a spring limiting clamp 12, a limiting hole 13, a clamping spring 14, a heat conduction clamping block 15 and a conductive groove 16.

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.

Referring to fig. 1-3, an aluminum electrolytic capacitor comprises a circuit board 1 and a capacitor body 4, wherein two heat conducting brackets 2 are welded on the surface of the circuit board 1, the two heat conducting brackets 2 are symmetrically distributed, one ends of the heat conducting brackets 2 far away from the circuit board 1 are fixedly and respectively connected with a lantern ring 3, two pull rod holes are symmetrically arranged on the side surface of the lantern ring 3, an L-shaped heat conducting pull rod 5 is rotatably arranged in each pull rod hole, one end of each heat conducting pull rod 5 positioned in the lantern ring 3 is fixedly connected with a heat conducting clamping block 15, one side surface of each heat conducting clamping block 15, which is close to the lantern ring 3, is welded with a clamping spring 14, the heat conducting pull rod 5 penetrates through the clamping spring 14, an insertion box 8 is welded on the upper surface of the circuit board 1, the insertion box 8 is positioned in the middle position of the two heat conducting brackets 2, the top end of the insertion box 8 is open, the conductive pin 11 is electrically connected with the circuit board 1, the outer surface of the capacitor body 4 is connected with the heat-conducting clamping block 15 in a sliding manner, the bottom end of the capacitor body 4 is fixedly connected with two pins 6 which are symmetrically distributed, one end of each pin 6 far away from the capacitor body 4 is fixedly connected with a plug-in buckle 7, the plug-in buckle 7 is provided with two conductive grooves 16 matched with the conductive pin 11, one end of each conductive groove 16 far away from the capacitor body 4 is open, the inner surface of the bottom end of each conductive groove 16 is welded with a conductive spring 9, one end of each conductive spring 9 far away from the capacitor body 4 is welded with a contact 10, the contact 10 is electrically connected with the conductive pin 11, the surfaces of one sides of the two heat-conducting clamping blocks 15 far away from the heat-conducting pull rod 5 are uniformly coated with heat-dissipating silicone grease, both side walls of the plug-in box 8 are provided with limiting holes 13, the limiting holes 13 penetrate through both side, the conductive spring 9 is electrically connected with the pin 6.

The working principle is as follows: before the device is used, the heat conducting pull rod 5 is firstly pulled towards the direction far away from the lantern ring 3, then the capacitor is penetrated through the lantern ring 3, and the plug-in buckle 7 is aligned with the plug-in box 8, the capacitor body 4 is pressed to lead the plug-in buckle 7 to be inserted into the plug-in box 8, and simultaneously the elastic limiting card 12 generates elastic deformation under the extrusion of the inner wall of the plug-in box 8 and moves along with the plug-in buckle 7, when the elastic limit card 12 moves to the limit holes 13 at the two sides of the inserting box 8, the elastic limit card 12 recovers the shape under the action of the elastic force to clamp the inserting buckle 7 into the inserting box 8, so that the inserting buckle 7 can not be separated from the inserting box 8, under the action of the elastic force of the conductive spring 9, the contact 10 is electrically connected with the conductive pin 11, the conductive spring 9 is welded with the pin 6, so that the conductive pin 11 is electrically connected with the capacitor, and the conductive pin 11 is electrically connected with the circuit board 1, so that the capacitor is electrically connected with the circuit board 1; when the capacitor works, heat generated by the capacitor is transferred to the heat-conducting clamping block 15 through the heat-conducting silica gel, the heat is transferred to the circuit board 1 through the heat-conducting clamping block 15 via the heat-conducting pull rod 5, the lantern ring 3 and the heat-conducting support 2, and then the heat is dissipated to the air through the circuit board 1; when the capacitor needs to be replaced, the elastic limiting clamp 12 is pressed, the plug-in buckle 7 is pulled out of the plug-in box 8, the heat conduction pull rod 5 is pulled, the heat conduction clamping block 15 is separated from the capacitor body 4, and the capacitor is pulled out of the lantern ring 3, so that the capacitor can be detached.

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 comprises a circuit board (1) and a capacitor body (4), and is characterized in that the surface of the circuit board (1) is welded with two heat conduction supports (2) which are symmetrically distributed, one ends of the heat conduction supports (2) far away from the circuit board (1) are fixedly connected with lantern rings (3), two pull rod holes which are symmetrically arranged are formed in the side faces of the lantern rings (3), L-shaped heat conduction pull rods (5) are rotatably arranged in the pull rod holes, one ends of the heat conduction pull rods (5) located in the lantern rings (3) are fixedly connected with heat conduction clamping blocks (15), one side faces of the heat conduction clamping blocks (15) close to the lantern rings (3) are welded with clamping springs (14), the heat conduction pull rods (5) penetrate through the clamping springs (14), the upper surface of the circuit board (1) is welded with an insert box (8), and the insert box (8) is located in the middle positions of the two heat conduction supports (2, the top end of the plug box (8) is open, the inner surface of the bottom end of the plug box (8) is fixedly connected with two symmetrically arranged conductive pins (11), the conductive pins (11) penetrate through the bottom of the plug box (8), the conductive pins (11) are electrically connected with the circuit board (1), the outer surface of the capacitor body (4) is slidably connected with a heat conduction clamping block (15), the bottom end of the capacitor body (4) is fixedly connected with two symmetrically distributed pins (6), one end of each pin (6) far away from the capacitor body (4) is fixedly connected with a plug buckle (7), the plug buckle (7) is provided with two conductive grooves (16) matched with the conductive pins (11), one end of each conductive groove (16) far away from the capacitor body (4) is open, and the inner surface of the bottom end of each conductive groove (16) is welded with a conductive spring (9), one end of the conductive spring (9) far away from the capacitor body (4) is welded with a contact (10), and the contact (10) is electrically connected with the conductive needle (11).

2. The aluminum electrolytic capacitor as recited in claim 1, wherein the two heat conducting clamping blocks (15) are uniformly coated with heat-dissipating silicone grease on the surface of one side far away from the heat conducting pull rod (5).

3. The aluminum electrolytic capacitor according to claim 1, wherein two side walls of the plug box (8) are provided with limiting holes (13), and the limiting holes (13) penetrate through the two side walls of the plug box (8).

4. The aluminum electrolytic capacitor according to claim 1, wherein a stopper is arranged at the top end of the insert button (7), and both sides of the insert button (7) are fixedly connected with elastic limit clamps (12).

5. The aluminum electrolytic capacitor as recited in claim 1, wherein the conductive spring (9) is electrically connected to the pin (6).