CN219998054U

CN219998054U - Moisture-resistant flame-retardant capacitor

Info

Publication number: CN219998054U
Application number: CN202320293629.4U
Authority: CN
Inventors: 陈建华; 赵春花; 赵崇军
Original assignee: Nantong Sunion Electronic Co ltd; East China University of Science and Technology
Current assignee: Nantong Sunion Electronic Co ltd; East China University of Science and Technology
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-11-10
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to a capacitor, in particular to a moisture-resistant flame-retardant capacitor, which comprises a capacitor body, an aluminum shell, an inner core, a super-hydrophobic conductive layer, a sealing coating, a water-absorbing layer, a negative electrode pin, a positive electrode pin and an insulating cover plate.

Description

Moisture-resistant flame-retardant capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a capacitor with moisture-resistant and flame-retardant functions.

Background

The capacitor has advantages of high capacity, good self-healing property, small size and the like, and has been applied to various fields. With the daily and monthly variation of electronic information technology, the updating speed of digital electronic products is faster and faster, and the development prospect of capacitors is wider.

The existing capacitor shell is not enough in tightness, gaps exist, no protective layer exists, and particularly the capacitor is in a high-temperature and humid environment and is directly exposed to a high-temperature and high-humidity environment. The phenomena of overheating, thermal breakdown and the like easily occur in the capacitor during the operation process, and meanwhile, the heat dissipation load of the capacitor is also increased under the external high-temperature condition. Moisture in a humid environment enters the device and can also cause degradation of the capacitor. The long-term high Wen Gaochao environment reduces the life of the capacitor, affects the normal operation of the circuit, and even causes a fire.

Disclosure of Invention

The utility model aims to overcome the defects and provide the moisture-resistant flame-retardant capacitor which can operate in a high-temperature high-humidity environment.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a moisture-resistant fire-retardant condenser, including the aluminum hull, the inner core, hydrophobic conducting layer, seal coating, the water absorption layer, the negative pole pin, anodal pin and insulating cover plate, inner core surface coating has hydrophobic conducting layer, be equipped with the sealing layer outside the hydrophobic conducting layer, be equipped with the water absorption layer that does not seal the top on the sealing layer surface, the sealing layer upper end is equipped with insulating cover plate, be equipped with the aluminum hull on the surface of insulating cover plate and water absorption layer, anodal pin and anodal pin all pass the aluminum hull, insulating cover plate, sealing layer and hydrophobic conducting layer fixed connection are on the inner core, the inner core comprises anodal, negative pole and middle dielectric, the condenser body upper end is sealed with insulating cover plate.

The utility model further improves that: the hydrophobic conductive coating is a lignin-based hydrophobic coating with uniform silver nanoparticles.

The utility model further improves that: the sealing layer is an epoxy resin layer.

The utility model further improves that: the water-absorbing layer is lignin-based water-absorbing resin powder with the mesh number of more than 100.

Compared with the prior art, the utility model has the following advantages:

the improved hydrophobic conductive coating and the inner core cathode cooperate with each other to increase the conductivity of the capacitor, and the improved hydrophobic conductive coating and the water absorption layer combine water absorption and hydrophobic functions to ensure that the capacitor has better moisture resistance and flame retardance, so that the capacitor can be used in high-humidity and high-temperature environments and is not limited by the environment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

reference numerals in the drawings: the waterproof insulation cover comprises an inner core-1, a water absorption layer-2, a sealing layer-3, a hydrophobic conductive layer-4, an insulation cover plate-5, a negative electrode pin-6, a positive electrode pin-7 and an aluminum shell-8;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Elements and features described in one embodiment of the utility model may be combined with elements and features shown in one or more other embodiments. It should be noted that the illustration and description of components and processes known to those of ordinary skill in the art, which are not relevant to the present utility model, have been omitted for clarity. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.

The utility model provides a moisture-resistant fire-retardant condenser, the condenser body is cylindric condenser or cuboid condenser, including aluminium hull 8, inner core 1, hydrophobic conducting layer 4, seal coating 3, water-absorbing layer 2, negative pole pin 6, anodal pin 7 and insulating apron 5, inner core 1 surface coating has hydrophobic conducting layer 4, hydrophobic conducting layer 4 is the lignin-based hydrophobic coating that has even silver nanoparticle, hydrophobic conducting layer 4 is equipped with sealing layer 3 outward, sealing layer 3 is the epoxy layer, be equipped with the water-absorbing layer 2 that does not seal the top on the sealing layer 3 surface, water-absorbing layer 2 is the lignin-based water-absorbing resin powder that the mesh number is greater than 100, sealing layer 3 upper end is equipped with insulating apron 5, be equipped with aluminium hull 8 on the surface of insulating apron 5 and water-absorbing layer 2, negative pole pin 6 and anodal pin 7 all pass aluminium hull 8, insulating apron 5, sealing layer 3 and hydrophobic conducting layer 4 fixed connection are on inner core 1.

Finally, it should be noted that: although the present utility model and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims. Furthermore, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, means, method and steps described in the specification. Those of ordinary skill in the art will readily appreciate from the disclosure of the present utility model, processes, machines, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present utility model. Accordingly, the appended claims are intended to include within their scope such processes, apparatuses, means, methods, or steps.

Claims

1. The utility model provides a moisture-resistant fire-retardant condenser, includes aluminium hull (8), inner core (1), hydrophobic conducting layer (4), sealing layer (3), layer (2) that absorbs water, negative pole pin (6), anodal pin (7) and insulating apron (5), its characterized in that: the novel waterproof insulation material is characterized in that a hydrophobic conductive layer (4) is coated on the outer surface of the inner core (1), a sealing layer (3) is arranged outside the hydrophobic conductive layer (4), an uncapped water absorbing layer (2) is arranged on the outer surface of the sealing layer (3), an insulation cover plate (5) is arranged at the upper end of the sealing layer (3), an aluminum shell (8) is arranged on the outer surface of the insulation cover plate (5) and the water absorbing layer (2), and a negative electrode pin (6) and a positive electrode pin (7) are fixedly connected to the inner core (1) through the aluminum shell (8), the insulation cover plate (5), the sealing layer (3) and the hydrophobic conductive layer (4).

2. A moisture resistant, flame retardant capacitor as set forth in claim 1, wherein: the outside of the inner core (1) is coated with a lignin-based hydrophobic conductive layer (4) containing uniform silver nano particles.

3. A moisture resistant, flame retardant capacitor as set forth in claim 2, wherein: and filling lignin-based water absorbent resin powder with the mesh number of more than 100 between the outer side of the sealing layer (3) and the aluminum shell (8).