CN216487717U - Subminiature high-temperature high-voltage direct-current filter film capacitor - Google Patents

Abstract

The utility model discloses a subminiature high-temperature high-voltage direct-current filter film capacitor which comprises a capacitor body, wherein two leading-out electrodes are arranged at the upper end of the capacitor body, an indicator lamp is arranged between the two leading-out electrodes, dust screens are arranged on two sides of the upper end of the capacitor body far away from the leading-out electrodes, the lower ends of the dust screens are heat dissipation channels, and the subminiature high-temperature high-voltage direct-current filter film capacitor is strong in heat dissipation performance, high in temperature resistance and excellent in high-voltage resistance.

Description

Subminiature high-temperature high-voltage direct-current filter film capacitor

Technical Field

The utility model relates to the field of production and manufacturing of film capacitors, in particular to a subminiature high-temperature high-voltage direct-current filter film capacitor.

Background

Along with the continuous development of science and technology, electrical appliances are all distributed in our lives, capacitors are needed to be used in most electrical appliances, a direct current filter capacitor is one of the capacitors, the direct current filter capacitor is an energy storage device which is installed at two ends of a rectification circuit and used for reducing alternating current ripple coefficients and improving high-efficiency smooth direct current output, in all circuits needing to convert alternating current into direct current, the filter capacitor is arranged, so that the performance of workpieces of an electronic circuit is more stable, meanwhile, the interference of alternating current ripple on the electronic appliance is reduced, the filter film capacitor has the advantages of small volume and high insulation, the filter film capacitor is overheated due to overlarge current, the phenomenon of electric leakage caused by aging and damage of an insulating material is caused, and after an external power supply is interrupted, the filter film capacitor can store partial energy and easily injure operators by leading out electrodes;

in the prior art, direct current filter film capacitor ubiquitous heat dissipation not good problem to make its life short, bring certain potential safety hazard, do not have compressive capacity moreover, slight pressing can all destroy inside capacitor core, again because its volume undersize, so very easily because exert oneself and violently break filter film capacitor in the installation, wait for a subminiature high temperature high voltage direct current filter film capacitor now to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a subminiature high-temperature high-voltage dc filter film capacitor, which solves the above-mentioned problems.

In order to realize the purpose, the utility model is realized by the following technical scheme:

the utility model provides a subminiature high temperature high voltage direct current filter film capacitor, includes capacitor body, and capacitor body upper end is equipped with two extraction electrodes, is equipped with the pilot lamp between two extraction electrodes, and capacitor body upper end both sides are kept away from extraction electrode department and are all equipped with the dust screen, and the dust screen lower extreme is heat dissipation channel.

Preferably, two capacitor cores which are distributed up and down are arranged in the capacitor body, a connecting copper strip is arranged between the two capacitor cores, and the outer side of each capacitor core is wrapped by a protective shell.

Preferably, the innermost side of the protective shell is provided with a pressure-resistant rubber ball, the outer side of the pressure-resistant rubber ball is provided with a heat dissipation channel, the heat dissipation channel is provided with five openings, the openings face the inner side, and the outer side of the heat dissipation channel is provided with a protective layer.

Preferably, a fine elastic ball is arranged in the protective layer, and insulating metal is arranged outside the protective layer.

Preferably, the heat dissipation channels are internally provided with heat dissipation fins.

Preferably, the dustproof net is made of PVC, each layer in the protective shell is made of anodized aluminum alloy, and the protective shell is of a U-shaped structure.

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

1. the subminiature high-temperature high-voltage direct-current filter film capacitor has the advantages that the protective shell is utilized to play an all-round protective effect on the inner capacitor core, the inner capacitor core is located in a sealed environment, the capacitor is prevented from being affected by water vapor to cause short circuit, the interference of dust is discharged from a sealed space, and the service life of the capacitor is prolonged.

2. Be equipped with the protective layer in the protective housing that sets up among this subminiature high temperature high voltage direct current filter film capacitor, the protective layer is made a frame by insulated metal, and inside has been filled up the elasticity spheroid, makes this protective layer have certain compressive capacity, and in the installation, the workman can not suffer destruction because of violently leading to inside core too hard yet, influences its functional effect, but the small resilience and the compressive capacity splendid of elasticity spheroid.

3. This subminiature high temperature high voltage direct current filter film capacitor is equipped with heat dissipation channel in protecting sheathing, its heat dissipation channel opening sets up in capacitor body upper end, and the opening part is equipped with the dust screen, protects inside can not block up the passageway because of the dust, and heat dissipation channel is the passageway of a U type, ensures the circulation of air, and inside has laid the fin, and when the condenser high temperature, can not only utilize the fin heat dissipation, can also utilize the circulation of air to come the heat to take out for the heat-sinking capability is splendid.

4. The subminiature high-temperature high-voltage direct-current filter film capacitor utilizes the elastic ball body, the heat dissipation channel and the compression-resistant rubber ball to form a protective shell, and the high compression resistance and high temperature resistance of the whole device are realized.

Drawings

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

FIG. 2 is a sectional view showing the internal structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the protective housing of the present invention;

FIG. 4 is a schematic diagram of the position structure of the elastic ball in FIG. 1 according to the present invention;

the capacitor comprises a capacitor body 1, a leading-out electrode 2, an indicator light 3, a dust screen 4, a heat dissipation channel 5, a capacitor core 6, a connecting copper strip 7, a protective shell 8, a pressure-resistant rubber ball 9, a protective layer 10, an elastic ball body 11, an opening 12 and a heat dissipation fin 13

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 (b): referring to the schematic illustrations of figures 1-4,

a subminiature high-temperature high-voltage direct-current filter film capacitor comprises a capacitor body 1, wherein two leading-out electrodes 2 are arranged at the upper end of the capacitor body 1, an indicator lamp 3 is arranged between the two leading-out electrodes 2, dust screens 4 are arranged at the positions, far away from the leading-out electrodes 2, of the two sides of the upper end of the capacitor body 1, and the lower ends of the dust screens 4 are heat dissipation channels 5;

the capacitor comprises a capacitor body 1 and is characterized in that two capacitor cores 6 which are distributed up and down are arranged in the capacitor body 1, a connecting copper strip 7 is arranged between the two capacitor cores 6, a protective shell 8 wraps the outer side of each capacitor core 6 to form a complete capacitor body 1, the capacitor cores are stably connected by using the connecting copper strip 7, the copper strip has the effects of good ductility and good heat and electricity conducting capacity, the capacitor body 1 forms a complete capacitor by using the fixed connection of the protective shell 8 and the capacitor cores 6, the whole structure is complete and compact, and the design is reasonable;

the innermost side of the protective shell 8 is provided with a pressure-resistant rubber ball 9, the outer side of the pressure-resistant rubber ball 9 is provided with a heat dissipation channel 5, a heat dissipation fin 13 in the heat dissipation channel 5 is provided with five openings 12, the openings 12 face the inner side, the outer side of the heat dissipation channel 5 is provided with a protective layer 10, the pressure-resistant rubber ball 9 plays a pressure-resistant role, the heat dissipation channel 5 is used for heat dissipation, the heat dissipation fin 13 is used for better heat dissipation of the internal capacitor core 6 and is arranged to be through, so that air can normally circulate, heat dissipation can be carried out by utilizing the air, the five openings 12 are arranged in the protective shell, the openings face inwards, namely the openings face towards the pressure-resistant rubber ball 9, so that the pressure-resistant rubber ball 9 can quickly dissipate heat at the first time, the service life of the rubber ball is prolonged, and the five openings 12 just correspond to the left side and the right side of the two capacitor cores 6 and the lower side of the capacitor core 6 below, the capacitor core 6 can also play a role in heat dissipation at the first time;

the protective layer 10 is internally provided with a fine elastic ball body 11, the outer side of the protective layer 10 is provided with insulating metal to wrap the whole capacitor into a whole, the outer side is also provided with a layer of elastic ball body 11, the first compression-resistant process is realized, the phenomenon that a worker presses the capacitor core 6 in the installation process with great force to damage the capacitor core is prevented, the insulating metal is arranged on the outer side to wrap the whole capacitor, the safety problem caused by stored energy in the overhaul process of the worker can be avoided, and potential safety hazards are eliminated;

the radiating fins 13 are laid in the radiating channel 5, and the radiating fins 13 are laid in the radiating channel 5, so that not only can the heat be quickly taken away by utilizing the air circulation, but also the radiating efficiency is improved by resisting against the pressure rubber ball 9;

the material of dust screen 4 is the PVC material, every layer comprises the aluminum alloy material after anodic oxidation in protecting sheathing 8, and protecting sheathing 8 is the U-shaped structure, capacitor core 6 is placed inside the U type, with the insulating metal sheet fixed connection back of top, make capacitor core 6 be in the confined space, every layer cuts off by the aluminum alloy after anodic oxidation in protecting sheathing 8, not only insulating nature is strong, and high temperature resistant, compressive capacity is good, reducing capacitor body 1's size in U type structure ability the at utmost of protecting sheathing 8, make the structure compacter, it places capacitor core 6 to set up inclosed space, can prolong the life of this condenser.

The working principle is as follows: in the installation process, two leading-out electrodes 2 are connected to respective circuits in a matching way to work, a current normal work indicator lamp 3 can normally emit a green light after installation, a fault display red light is installed, a capacitor body 1 in the capacitor is subjected to pressure-resistant and high-temperature-resistant treatment, all functions are realized by utilizing a protective shell 8, a heat dissipation channel 5 is arranged in the protective shell 8, so that air can normally run through, the heat at a heat dissipation part can be ensured to be taken out along with the flowing of the air, dust screens 4 are arranged at openings at two ends of the heat dissipation channel 5, the inner channel is prevented from being blocked by dust, pressure-resistant layers are arranged at the left and the right of the heat dissipation channel 5, an elastic ball body 11 arranged at the left side performs the first-step pressure-resistant protection effect, the heat dissipation channel 5 runs through a certain space to perform the second-step pressure-resistant protection effect, and an internal capacitor core 6 is protected from being damaged by an external pressure by a pressure-resistant rubber ball 9 at the last step, the high-pressure-resistant function is realized in the installation process, and the whole capacitor is high-temperature-resistant, high-pressure-resistant and compact in structure.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The microminiature high-temperature high-voltage direct-current filter film capacitor is characterized by comprising a capacitor body (1), wherein two leading-out electrodes (2) are arranged at the upper end of the capacitor body (1), an indicator lamp (3) is arranged between the two leading-out electrodes (2), dust screens (4) are arranged at positions, far away from the leading-out electrodes (2), of two sides of the upper end of the capacitor body (1), and the lower ends of the dust screens (4) are heat dissipation channels (5).

2. The ultra-small high-temperature high-voltage direct current filter film capacitor as claimed in claim 1, wherein two capacitor cores (6) are arranged in the capacitor body (1) and distributed up and down, a connecting copper strip (7) is arranged between the two capacitor cores (6), and a protective shell (8) is wrapped outside the capacitor cores (6).

3. The ultra-small high-temperature high-voltage direct-current filter film capacitor as claimed in claim 2, wherein the protective shell (8) is provided with a pressure-resistant rubber ball (9) at the innermost side, the heat dissipation channel (5) is arranged at the outer side of the pressure-resistant rubber ball (9), five openings (12) are formed in the heat dissipation channel (5), the openings face the inner side, and a protective layer (10) is arranged at the outer side of the heat dissipation channel (5).

4. A subminiature high temperature, high voltage direct current filter film capacitor according to claim 3, wherein said protective layer (10) is provided with fine elastic balls (11) and the outside of the protective layer (10) is provided with insulating metal.

5. A subminiature high temperature, high voltage direct current filter film capacitor according to claim 1, wherein heat sink fins (13) are laid in said heat dissipation channel (5).

6. The ultra-small high temperature high voltage direct current filter thin film capacitor according to claim 1, wherein the dust screen (4) is made of PVC, each layer in the protective housing (8) is made of anodized aluminum alloy, and the protective housing (8) has a U-shaped structure.

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