CN211907244U

CN211907244U - Moisture-proof capacitor

Info

Publication number: CN211907244U
Application number: CN202020723611.XU
Authority: CN
Inventors: 安震球
Original assignee: Wuxi Wansheng Electronic Co Ltd
Current assignee: Wuxi Wansheng Electronic Co Ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-11-10
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a dampproofing condenser, include: a housing, the housing being cylindrically configured; the capacitor cores are arranged inside the shell, and the number of the capacitor cores is two; the lead-out structure is located at the top of the shell and comprises a lead-out end, a silicon rubber sleeve and a lead-out wire, the lead-out end is fixedly mounted right above the capacitor core and located at the top of the shell, the silicon rubber sleeve is sleeved on the periphery of the lead-out end, the lead-out wire is welded at the bottom of the lead-out end, and the other end of the lead-out wire is electrically connected with the capacitor core. The utility model discloses an inner wall at the casing is equipped with the dampproof course, can improve the dampproofing effect in the condenser, still is equipped with heat-conducting layer, heat dissipation layer and insulating layer in the inboard of dampproof course, can utilize the heat-conducting layer to transmit the heat transfer of condenser core for the heat dissipation layer, still is equipped with the fin at the heat dissipation in situ fixation, can effectively dispel the heat.

Description

Moisture-proof capacitor

Technical Field

The utility model relates to a capacitor equipment technical field specifically is a dampproofing condenser.

Background

The capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C. Definition 1 a capacitor, as the name implies, is a 'charged capacitor', a device that contains an electrical charge. English name is capacitor. The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. Definition 2-capacitor, any two conductors (including wires) that are insulated from each other and closely spaced form a capacitor. The capacitance is different from the capacitor. Capacitance is a basic physical quantity, denoted by the symbol C, and has the unit F (farad). The general formula C is Q/U parallel plate capacitor special formula, the electric field intensity E between plates is U/d, and the capacitor capacitance decision formula C is S/4 pi kd. With the change of electronic information technology, the update speed of digital electronic products is faster and faster, and the production and sales volume of consumer electronic products such as flat panel televisions (LCDs and PDPs), notebook computers, and digital cameras is continuously increasing, which drives the growth of capacitor industry. In order to prolong the service life and improve the use effect of the capacitor, the existing capacitor is often provided with a moisture-proof function.

The traditional capacitor has a too simple internal structure, so that after the capacitor is used for a long time, the inside of the capacitor is difficult to dissipate heat, partial elements of the capacitor have too high temperature, and the service life of the capacitor is lost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dampproofing condenser to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a moisture-resistant capacitor comprising: a housing, the housing being cylindrically configured; the capacitor cores are arranged inside the shell, and the number of the capacitor cores is two; the lead-out structure is positioned at the top of the shell and comprises a lead-out end, a silicon rubber sleeve and a lead-out wire, the top of the shell is respectively positioned right above the capacitor core and fixedly provided with the lead-out end, the periphery of the lead-out end is sleeved with the silicon rubber sleeve, the bottom of the lead-out end is welded with the lead-out wire, and the other end of the lead-out wire is electrically connected with the capacitor core; and the heat dissipation structure is positioned inside the shell.

Preferably, a fastening bolt is further mounted above the leading-out end in a threaded manner.

Preferably, the inner wall of the shell is fixedly provided with a moisture-proof layer.

Preferably, the heat radiation structure comprises a heat conduction layer, a heat radiation layer and a heat insulation layer, wherein the heat insulation layer is fixedly arranged on the inner side of the heat insulation layer in the shell and used for reducing the influence of the external temperature on the capacitor core.

Preferably, the heat dissipation layer is fixedly arranged on the inner side of the heat insulation layer, the heat dissipation fins are fixedly arranged in the heat dissipation layer at equal intervals and used for increasing the heat dissipation area of the heat dissipation layer, so that the heat dissipation effect is improved, and the heat conduction layer is fixedly arranged on one side, far away from the heat insulation layer, of the heat dissipation layer.

Preferably, the outer surface of the housing is further coated with a layer of insulating material.

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

1. the utility model discloses a fixedly provided with the capacitor core in the casing, then the position that corresponds the capacitor core at the top of casing is fixed with the end of drawing forth respectively, then cup joints the silicon rubber sleeve pipe in the periphery of end of drawing forth, still fixedly is provided with the lead-out wire in the bottom of end of drawing forth, makes the other end of lead-out wire and capacitor core carry out electric connection, facilitates the use;

2. the utility model discloses still be provided with the dampproof course in the fixed dampproof course of inner wall of casing simultaneously, can improve the dampproofing effect of condenser, reduce the influence that the humidity caused to the capacitor core, then the inboard of dampproof course is fixed and is provided with the insulating layer, can reduce the temperature of external world and cause the influence to the condenser is inside, especially summer or winter, the inboard of insulating layer is equipped with the heat dissipation layer, then be equipped with the heat-conducting layer at the opposite side on heat dissipation layer, in-process messenger heat-conducting layer and the contact of capacitor core using, can transmit the heat of capacitor core for the heat dissipation layer through the heat-conducting layer, and equidistant fixed mounting has the fin in the heat dissipation layer, the area of heat transfer.

Drawings

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

FIG. 2 is a top view of the partial structure of the present invention;

FIG. 3 is a partial sectional view of the present invention;

fig. 4 is a structural diagram of a in fig. 3 according to the present invention.

In the figure: 1-a shell; 2-capacitor core; 3-leading out end; 301-silicone rubber sleeve; 302-outlet line; 303-fastening bolts; 4-a moisture barrier; 5-a heat conducting layer; 6-heat dissipation layer; 601-a heat sink; 7-heat insulation layer.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a moisture-resistant capacitor comprising: the shell 1, the shell 1 is cylindrical; the capacitor core 2 is arranged inside the shell 1, and the number of the capacitor cores 2 is two; the lead-out structure is positioned at the top of the shell 1 and comprises a lead-out end 3, a silicon rubber sleeve 301 and a lead-out wire 302, the lead-out end 3 is fixedly arranged at the top of the shell 1 and is respectively positioned right above the capacitor core 2, the silicon rubber sleeve 301 is sleeved on the periphery of the lead-out end 3, the lead-out wire 302 is welded at the bottom of the lead-out end 3, and the other end of the lead-out wire 302 is electrically connected with the capacitor core 2; a heat dissipation structure located inside the housing 1.

A fastening bolt 303 is further installed above the leading-out end 3 in a threaded manner, so that the silicone rubber sleeve 301 can be fixed, and the silicone rubber sleeve 301 is prevented from falling off; the inner wall of the shell 1 is fixedly provided with the moisture-proof layer 4, so that the moisture-proof effect in the capacitor is improved; the heat dissipation structure comprises a heat conduction layer 5, a heat dissipation layer 6 and a heat insulation layer 7, wherein the heat insulation layer 7 is fixedly arranged inside the shell 1 and positioned on the inner side of the heat insulation layer 7 and used for reducing the influence of the external temperature on the capacitor core 2; the heat dissipation layer 6 is fixedly arranged on the inner side of the heat insulation layer 7, the heat dissipation fins 601 are fixedly arranged in the heat dissipation layer 6 at equal intervals and used for increasing the heat dissipation area of the heat dissipation layer 6, so that the heat dissipation effect is improved, the heat conduction layer 5 is fixedly arranged on one side, away from the heat insulation layer 7, of the heat dissipation layer 6, the heat conduction layer 5 is in contact with the capacitor core 2, and the heat of the capacitor core 2 can be transferred to the heat dissipation layer 6 by the heat conduction layer 5 in the use process; the outer surface of the shell 1 is also coated with an insulating material layer, so that the insulating effect of the shell 1 is improved.

The working principle is as follows: the utility model has the advantages that the capacitor core 2 is fixedly arranged in the shell 1, the leading-out ends 3 are respectively and fixedly arranged at the positions corresponding to the capacitor core 2 at the top of the shell 1, the silicone rubber sleeve 301 is sleeved at the periphery of the leading-out ends 3, the leading-out wires 302 are fixedly arranged at the bottom of the leading-out ends 3, and the other ends of the leading-out wires 302 are electrically connected with the capacitor core 2, so that the use is convenient; meanwhile, a moisture-proof layer 4 is fixedly arranged on the inner wall of the shell 1, the moisture-proof effect of the capacitor can be improved, the influence of moisture on the capacitor core 2 is reduced, then a heat insulation layer 7 is fixedly arranged on the inner side of the moisture-proof layer 4, the influence of the external temperature on the inside of the capacitor can be reduced, particularly in summer or winter, a heat dissipation layer 6 is arranged on the inner side of the heat insulation layer 7, a heat conduction layer 5 is arranged on the other side of the heat dissipation layer 6, the heat conduction layer 5 is in contact with the capacitor core 2 in the using process, the heat of the capacitor core 2 can be transmitted to the heat dissipation layer 6 through the heat conduction layer 5, radiating fins 601 are fixedly arranged in the heat dissipation layer 6 at equal intervals, the heat transfer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A moisture-resistant capacitor, comprising:

the shell (1), the shell (1) is cylindrical;

the capacitor core (2) is arranged inside the shell (1), and the number of the capacitor cores (2) is two;

the lead-out structure is located at the top of the shell (1) and comprises a lead-out end (3), a silicon rubber sleeve (301) and a lead-out wire (302), the top of the shell (1) is respectively located right above the capacitor core (2) and fixedly provided with the lead-out end (3), the periphery of the lead-out end (3) is sleeved with the silicon rubber sleeve (301), the lead-out wire (302) is welded at the bottom of the lead-out end (3), and the other end of the lead-out wire (302) is electrically connected with the capacitor core (2);

a heat dissipation structure located inside the housing (1).

2. A moisture-resistant capacitor as claimed in claim 1, wherein: and a fastening bolt (303) is further installed above the leading-out end (3) in a threaded manner.

3. A moisture-resistant capacitor as claimed in claim 1, wherein: the inner wall of the shell (1) is fixedly provided with a moisture-proof layer (4).

4. A moisture-resistant capacitor as claimed in claim 1, wherein: the heat radiation structure comprises a heat conduction layer (5), a heat radiation layer (6) and a heat insulation layer (7), wherein the heat insulation layer (7) is fixedly arranged on the inner side of the heat insulation layer (7) in the shell (1) and used for reducing the influence of the external temperature on the capacitor core (2).

5. A moisture-resistant capacitor as claimed in claim 4, wherein: the fixed heat dissipation layer (6) that is provided with in inboard of insulating layer (7), the fixed fin (601) that is provided with of the inside equidistance of heat dissipation layer (6) for increase the heat radiating area on heat dissipation layer (6), thereby improved radiating effect, one side that insulating layer (7) were kept away from in heat dissipation layer (6) is fixed and is provided with heat-conducting layer (5).

6. A moisture-resistant capacitor as claimed in claim 1, wherein: the outer surface of the shell (1) is also coated with an insulating material layer.