CN216288008U - Solid-state aluminum electrolytic capacitor - Google Patents

Abstract

The utility model belongs to the technical field of electrolytic capacitors, in particular to a solid-state aluminum electrolytic capacitor, which comprises a capacitor body, a shell, a cover plate and a fixing component, wherein the capacitor body is provided with a plurality of through holes; an insulating layer is arranged inside the side wall of the shell; the capacitor body is arranged in the shell, and pins are arranged at the top of the capacitor body; the cover plate is covered on the top of the shell; the fixing component is arranged inside the shell; the fixing assembly comprises a pressing plate, a rubber pad and a fixing mechanism; the pressing plate is arranged in the shell and is in sliding fit with the inner side wall of the shell; the rubber pad is fixedly connected to the bottom of the pressing plate, and the bottom of the rubber pad is in contact with the top of the capacitor body; the fixing mechanism is arranged on the cover plate; place the capacitor body inside the casing, make the capacitor body at the inside holding stability of casing through fixed establishment, the insulating layer of the inside setting of casing lateral wall plays insulating protection's effect to the capacitor body.

Description

Solid-state aluminum electrolytic capacitor

Technical Field

The utility model relates to the technical field of electrolytic capacitors, in particular to a solid-state aluminum electrolytic capacitor.

Background

The aluminum electrolytic capacitor is an irreplaceable basic element in various electronic products, is widely applied to the fields of electronic products, photoelectric communication and the like, and has higher requirements on the performance of the capacitor product in the global market along with the rapid development of the integration and high-speed processing technology of electronic components.

In the prior art, most of aluminum electrolytic capacitors are directly welded on a circuit board when being installed, the capacitors are not protected, the safety is low, and when the external current is too large, the aluminum electrolytic capacitors are extremely easy to damage, so that the solid aluminum electrolytic capacitors are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solid-state aluminum electrolytic capacitor, which aims to make up the defects of the prior art and solve the problems that most of aluminum electrolytic capacitors are directly welded on a circuit board when being installed, the capacitors are not protected, the safety is low, and the aluminum electrolytic capacitors are easily damaged when external current is too large.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a solid-state aluminum electrolytic capacitor, which comprises a capacitor body, a shell, a cover plate and a fixing component, wherein the capacitor body is provided with a plurality of through holes; an insulating layer is arranged inside the side wall of the shell; the capacitor body is arranged in the shell, and pins are arranged at the top of the capacitor body; the cover plate is covered on the top of the shell; the fixing component is arranged inside the shell; the fixing assembly comprises a pressing plate, a rubber pad and a fixing mechanism; the pressing plate is arranged in the shell and is in sliding fit with the inner side wall of the shell; the rubber pad is fixedly connected to the bottom of the pressing plate, and the bottom of the rubber pad is in contact with the top of the capacitor body; the fixing mechanism is arranged on the cover plate; place the capacitor body inside the casing, fasten the apron through fixed establishment for the capacitor body is at the inside holding stability of casing, and the insulating layer of the inside setting of casing lateral wall plays insulating protection's effect to the capacitor body.

Preferably, a group of first threaded holes are formed in the top of the cover plate; a second threaded hole is formed in the top of the shell; the fixing mechanism comprises a first threaded rod; the first threaded rod is rotatably connected inside the first threaded hole and is in threaded fit with the second threaded hole; the cover plate is fastened by the first threaded rod, so that the capacitor body is kept stable inside the housing.

Preferably, a groove is arranged on the side wall of the shell; a buffer mechanism is arranged in the groove; the buffer mechanism comprises a sliding plate, a first magnetic sheet, a second magnetic sheet and a damping spring; the sliding plate is connected to the inner side wall of the groove in a sliding manner; one end of the damping spring is fixedly connected to the side wall of the sliding plate, and the other end of the damping spring is fixedly connected to the side wall of the groove; the first magnetic sheet is fixedly connected to the side wall of the sliding plate; the second magnetic sheet is fixedly connected to the side wall of the groove; the first magnetic sheet and the second magnetic sheet have the same magnetism; protect the capacitor body through setting up buffer gear, avoid external impact to produce the damage to the capacitor body.

Preferably, the top of the pressure plate is provided with a pair of slots; the inner side wall of the slot is fixedly connected with a rubber sheet; the bottom of the cover plate is fixedly connected with a pair of inserting blocks; the insertion block is in sliding fit with the inner side wall of the slot; the cover plate is positioned through the matching work of the insertion block and the insertion groove, and the cover plate is convenient to fasten.

Preferably, the top of the cover plate is provided with a first through hole; the top of the pressing plate is provided with a second through hole, and the second through hole penetrates through the rubber pad; the first through hole and the second through hole have the same aperture; the pins penetrate through the first through holes and the second through holes, the end parts of the pins are positioned at the top of the cover plate, and the pins are in sliding fit with the inner side walls of the first through holes; through setting up first through-hole and second through-hole and providing the space for stretching out of pin, conveniently carry out electric connection to the inside capacitor body of casing.

Preferably, the insulating layer is made of mica sheets; a fixed block is fixedly connected to the outer side of the shell; the fixed block is provided with a screw hole; a screw is rotationally connected in the screw hole; the shell is connected with the circuit board through the screw, so that the capacitor body is installed, and the trouble of direct welding of the capacitor body is avoided.

The utility model has the advantages that:

1. according to the capacitor, the capacitor body is placed in the shell, the pressing plate is placed at the top of the capacitor body, the cover plate is covered, the cover plate pushes the pressing plate to tightly press the capacitor body, the first threaded rod is rotated, the cover plate is fastened through the matching of the first threaded rod and the second threaded hole, the capacitor body is kept stable in the shell, the insulating layer arranged in the side wall of the shell plays an insulating protection role on the capacitor body, the capacitor is prevented from being damaged when external current is too large, and the capacitor body can work better;

2. according to the utility model, the capacitor body is protected by arranging the buffer mechanism, so that the capacitor body is prevented from being damaged by external impact, when the sliding plate is impacted, kinetic energy generated by the impact pushes the sliding plate to compress the damping spring, and in the sliding process of the sliding plate, the first magnetic sheet and the second magnetic sheet are gradually close to each other, and the first magnetic sheet and the second magnetic sheet are the same in magnetism and repel each other, so that the buffer effect is realized on the movement of the sliding plate, and the capacitor body is protected by the matching work of the damping spring, the first magnetic sheet and the second magnetic sheet, so that the capacitor body is prevented from being damaged by the external impact.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a partial cross-sectional view of a first embodiment;

FIG. 2 is a side view of the first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a schematic three-dimensional structure of the shell and the non-slip mat according to the second embodiment.

In the figure: 1. a capacitor body; 11. a pin; 2. a housing; 21. an insulating layer; 22. a second threaded hole; 23. a groove; 24. a fixed block; 241. screw holes; 242. a screw; 25. a non-slip mat; 3. a cover plate; 31. a first threaded hole; 32. inserting a block; 33. a first through hole; 4. a fixing assembly; 41. pressing a plate; 411. a slot; 412. a rubber sheet; 413. a second through hole; 42. a rubber pad; 43. a fixing mechanism; 431. a first threaded rod; 5. a buffer mechanism; 51. a slide plate; 52. a first magnetic sheet; 53. a second magnetic sheet; 54. a shock absorbing spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a solid-state aluminum electrolytic capacitor includes a capacitor body 1, a case 2, a cover plate 3 and a fixing component 4; an insulating layer 21 is arranged inside the side wall of the shell 2; the capacitor body 1 is arranged in the shell 2, and the top of the capacitor body 1 is provided with a pin 11; the cover plate 3 is covered on the top of the shell 2; the fixed component 4 is arranged inside the shell 2; the fixing assembly 4 comprises a pressing plate 41, a rubber pad 42 and a fixing mechanism 43; the pressing plate 41 is arranged inside the shell 2 and is in sliding fit with the inner side wall of the shell 2; the rubber pad 42 is fixedly connected to the bottom of the pressing plate 41, and the bottom of the rubber pad 42 is in contact with the top of the capacitor body 1; the fixing mechanism 43 is arranged on the cover plate 3; during operation, place capacitor body 1 inside casing 2 earlier, place clamp plate 41 at capacitor body 1 top, make rubber pad 42 bottom and the contact of capacitor body 1 top, rubber pad 42 plays the effect of protection capacitor body 1, avoid clamp plate 41 to produce the damage to capacitor body 1, cover apron 3, make apron 3 press and move clamp plate 41, fasten apron 3 through fixed establishment 43, thereby make capacitor body 1 inside at casing 2 remain stable, the inside insulating layer 21 that sets up of casing 2 lateral wall plays the effect of insulating protection to capacitor body 1, produce the damage to the condenser when avoiding external current too big.

A group of first threaded holes 31 are formed in the top of the cover plate 3; a second threaded hole 22 is formed in the top of the shell 2; the fixing mechanism 43 comprises a first threaded rod 431; the first threaded rod 431 is rotatably connected inside the first threaded hole 31, and the first threaded rod 431 is in threaded fit with the second threaded hole 22; during operation, when fastening apron 3, aim at second screw hole 22 with first screw hole 31, the staff rotates first threaded rod 431, and first threaded rod 431 and second screw hole 22 screw-thread fit rotate the in-process again, and first threaded rod 431 stretches into second screw hole 22 gradually, and then fastens apron 3 through first threaded rod 431 to make condenser body 1 inside at casing 2 remain stable.

A groove 23 is formed in the side wall of the shell 2; a buffer mechanism 5 is arranged in the groove 23; the buffer mechanism 5 comprises a sliding plate 51, a first magnetic sheet 52, a second magnetic sheet 53 and a damping spring 54; the sliding plate 51 is connected on the inner side wall of the groove 23 in a sliding way; one end of the damping spring 54 is fixedly connected to the side wall of the sliding plate 51, and the other end of the damping spring is fixedly connected to the side wall of the groove 23; the first magnetic sheet 52 is fixedly connected to the side wall of the sliding plate 51; the second magnetic sheet 53 is fixedly connected to the side wall of the groove 23; the first magnetic sheet 52 and the second magnetic sheet 53 are same in magnetism; the during operation, protect capacitor body 1 through setting up buffer gear 5, avoid external impact to produce the damage to capacitor body 1, when slide 51 receives the impact, the kinetic energy that the impact produced promotes slide 51 compression damping spring 54, and at slide 51 slip in-process, first magnetic sheet 52 is close to gradually with second magnetic sheet 53, because first magnetic sheet 52 is the same with second magnetic sheet 53 magnetism, mutual repulsion, thereby play the cushioning effect to slide 51's motion, through damping spring 54, the cooperation of first magnetic sheet 52 and second magnetic sheet 53 plays the guard action to capacitor body 1, avoid external impact to cause the damage to capacitor body 1.

The top of the pressing plate 41 is provided with a pair of slots 411; a rubber sheet 412 is fixedly connected to the inner side wall of the slot 411; a pair of insertion blocks 32 is fixedly connected to the bottom of the cover plate 3; the insertion block 32 is in sliding fit with the inner side wall of the slot 411; during operation, when the fastening of apron 3, establish at casing 2 top with apron 3 lid for in the inserted block 32 embedding slot 411, the rubber slab 412 on the slot 411 inside wall is extrusion deformation when the inserted block 32 imbeds, makes apron 3 remain stable, fixes a position apron 3 through the cooperation work of inserted block 32 with slot 411, makes things convenient for the fastening of apron 3.

The top of the cover plate 3 is provided with a first through hole 33; the top of the pressing plate 41 is provided with a second through hole 413, and the second through hole 413 penetrates through the rubber pad 42; the first through hole 33 and the second through hole 413 have the same aperture; the pins 11 pass through the first through holes 33 and the second through holes 413, the end parts of the pins 11 are positioned at the top of the cover plate 3, and the pins 11 are in sliding fit with the inner side walls of the first through holes 33; during operation, through setting up first through-hole 33 and second through-hole 413 and providing the space for stretching out of pin 11, conveniently carry out electric connection to the capacitor body 1 of casing 2 inside.

The insulating layer 21 is made of mica sheets; a fixed block 24 is fixedly connected to the outer side of the shell 2; a screw hole 241 is arranged on the fixing block 24; a screw 242 is rotatably connected in the screw hole 241; during operation, be connected casing 2 and circuit board through screw 242, and then realize capacitor body 1's installation, avoided capacitor body 1 direct welding's trouble.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a non-slip mat 25 is fixed on an inner side wall of the housing 2; the anti-skid pad 25 is made of rubber; during operation, thereby through set up slipmat 25 at 2 bottom inside walls of casing 2 increase 2 inside walls of casing and the frictional force at the 1 contact site of capacitor body for capacitor body 1 is more stable in placing of 2 inside of casing, and slipmat 25's material is the rubber material, has certain guard action to capacitor body 1.

The working principle is that the capacitor body 1 is firstly placed in the shell 2, the pressing plate 41 is placed on the top of the capacitor body 1, so that the bottom of the rubber pad 42 is contacted with the top of the capacitor body 1, the rubber pad 42 plays a role of protecting the capacitor body 1, the pressing plate 41 is prevented from damaging the capacitor body 1, the cover plate 3 is covered, so that the cover plate 3 pushes the pressing plate 41 to press the capacitor body 1 tightly, the first threaded rod 431 is rotated, the cover plate 3 is fastened through the matching of the first threaded rod 431 and the second threaded hole 22, so that the capacitor body 1 is kept stable in the shell 2, the insulating layer 21 arranged in the side wall of the shell 2 plays a role of insulating protection on the capacitor body 1, the capacitor is prevented from being damaged when external current is too large, the cover plate 3 is covered on the top of the shell 2, so that the insertion block 32 is embedded into the insertion slot 411, and the rubber sheets 412 on the inner side wall of the insertion slot 411 are squeezed and deformed when the insertion block 32 is embedded, the cover plate 3 is kept stable, the cover plate 3 is positioned through the matching operation of the plug block 32 and the slot 411, the cover plate 3 is convenient to fasten, a space is provided for the extension of the pin 11 through the arrangement of the first through hole 33 and the second through hole 413, the capacitor body 1 in the shell 2 is convenient to electrically connect, when the sliding plate 51 is impacted, the kinetic energy generated by the impact pushes the sliding plate 51 to compress the damping spring 54, in the sliding process of the sliding plate 51, the first magnetic sheet 52 and the second magnetic sheet 53 are gradually close to each other, as the magnetism of the first magnetic sheet 52 and the second magnetic sheet 53 is the same and mutually exclusive, the movement of the sliding plate 51 is buffered, the capacitor body 1 is protected through the matching operation of the damping spring 54, the first magnetic sheet 52 and the second magnetic sheet 53, the damage to the capacitor body 1 caused by the external impact is avoided, the shell 2 is connected with the circuit board through the screw 242 in the fixing block 24, and then realize capacitor body 1's installation, avoided capacitor body 1 direct welding's trouble, thereby through set up slipmat 25 at 2 bottom inside walls of casing 2 increase 2 inside walls of casing and capacitor body 1 contact site's frictional force for capacitor body 1 is more stable in the inside placing of casing 2, and slipmat 25's material is the rubber material, has certain guard action to capacitor body 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. A solid-state aluminum electrolytic capacitor is characterized in that: comprises a capacitor body (1), a shell (2), a cover plate (3) and a fixing component (4); an insulating layer (21) is arranged inside the side wall of the shell (2); the capacitor body (1) is arranged in the shell (2), and the top of the capacitor body (1) is provided with a pin (11); the cover plate (3) is covered on the top of the shell (2); the fixing component (4) is arranged inside the shell (2);

the fixing assembly (4) comprises a pressing plate (41), a rubber pad (42) and a fixing mechanism (43); the pressing plate (41) is arranged inside the shell (2) and is in sliding fit with the inner side wall of the shell (2); the rubber pad (42) is fixedly connected to the bottom of the pressing plate (41), and the bottom of the rubber pad (42) is in contact with the top of the capacitor body (1); the fixing mechanism (43) is arranged on the cover plate (3).

2. The solid-state aluminum electrolytic capacitor according to claim 1, characterized in that: the top of the cover plate (3) is provided with a group of first threaded holes (31); a second threaded hole (22) is formed in the top of the shell (2); the fixing mechanism (43) comprises a first threaded rod (431); the first threaded rod (431) is rotatably connected inside the first threaded hole (31), and the first threaded rod (431) is in threaded fit with the second threaded hole (22).

3. The solid-state aluminum electrolytic capacitor according to claim 2, characterized in that: a groove (23) is formed in the side wall of the shell (2); a buffer mechanism (5) is arranged in the groove (23); the buffer mechanism (5) comprises a sliding plate (51), a first magnetic sheet (52), a second magnetic sheet (53) and a damping spring (54); the sliding plate (51) is connected to the inner side wall of the groove (23) in a sliding manner; one end of the damping spring (54) is fixedly connected to the side wall of the sliding plate (51), and the other end of the damping spring is fixedly connected to the side wall of the groove (23); the first magnetic sheet (52) is fixedly connected to the side wall of the sliding plate (51); the second magnetic sheet (53) is fixedly connected to the side wall of the groove (23); the first magnetic sheet (52) and the second magnetic sheet (53) are the same in magnetism.

4. The solid-state aluminum electrolytic capacitor according to claim 3, characterized in that: the top of the pressure plate (41) is provided with a pair of slots (411); a rubber sheet (412) is fixedly connected to the inner side wall of the slot (411); a pair of inserting blocks (32) is fixedly connected to the bottom of the cover plate (3); the insertion block (32) is in sliding fit with the inner side wall of the slot (411).

5. The solid-state aluminum electrolytic capacitor according to claim 4, wherein: the top of the cover plate (3) is provided with a first through hole (33); a second through hole (413) is formed in the top of the pressing plate (41), and the second through hole (413) penetrates through the rubber pad (42); the first through hole (33) and the second through hole (413) have the same aperture; the pin (11) penetrates through the first through hole (33) and the second through hole (413), the end part of the pin is located at the top of the cover plate (3), and the pin (11) is in sliding fit with the inner side wall of the first through hole (33).

6. The solid-state aluminum electrolytic capacitor according to claim 5, wherein: the insulating layer (21) is made of mica sheets; a fixed block (24) is fixedly connected to the outer side of the shell (2); a screw hole (241) is formed in the fixing block (24); a screw (242) is rotatably connected in the screw hole (241).

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