CN210837494U

CN210837494U - Waterproof capacitor

Info

Publication number: CN210837494U
Application number: CN201921646688.5U
Authority: CN
Inventors: 刘玲
Original assignee: Wuxi Lingpu Electronic Technology Co ltd
Current assignee: Wuxi Lingpu Electronic Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-23
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a waterproof capacitor, including the protective housing, protective housing upper end threaded connection visor, visor upper end fixed connection sealing washer, visor pass through waterproof glue fixed connection apron, lower extreme fixed connection electric capacity component in the protective housing, through fixative fixed connection between electric capacity component and the protective housing, the protective housing upper end is close to the fixative and is provided with the insulating silicone grease, electric capacity component upper end connecting wire fixed connection protective sheath, and the protective sheath passes apron and sealing washer threaded connection screw, protective housing and visor junction fixed connection waterproof circle, the utility model discloses the beneficial effect who reaches is: the protective cover and the protective shell are connected through threads, the waterproof ring arranged on the protective cover and the protective shell plays a good sealing effect, the capacitor element can be effectively fixed through the arranged fixing agent, and the arranged sealing ring and the insulating silicone grease can effectively prevent the capacitor element from being wetted by water.

Description

Waterproof capacitor

Technical Field

The utility model relates to a provide a condenser, a special design waterproof capacitor belongs to electrical components technical field.

Background

At present, an existing capacitor is generally called as a capacitor for short, and is an "electric container", which is a device for containing electric charges, the capacitor is one of a large number of electronic components used in electronic equipment, and is widely applied to aspects of blocking ac, coupling, bypassing, filtering, tuning loop, energy conversion and control, and the like in a circuit, and a cover plate is installed between a capacitor body and the external environment, is used for sealing the inside of the capacitor, and is also used for installing and detaching the capacitor to prevent direct contact with the outside.

The existing capacitor cover plate is not good in sealing performance, limited in working environment and low in flexibility, and a circuit is damaged easily due to the fact that the sealing performance cannot be guaranteed well in a humid environment for a long time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a waterproof capacitor.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a waterproof capacitor, the protective housing comprises a protective housing, protective housing upper end threaded connection visor, protective housing upper end fixed connection sealing washer, the visor passes through waterproof glue fixed connection apron, lower extreme fixed connection electric capacity component in the protective housing, through fixative fixed connection between electric capacity component and the protective housing, the protective housing upper end is close to the fixative and is provided with insulating silicone grease, electric capacity component upper end connecting wire fixed connection protective sheath, the protective sheath passes apron and sealing washer threaded connection screw, the protective housing is with the waterproof circle of visor junction fixed connection.

As an optimized technical scheme of the utility model, be equipped with between apron and the protective sheath and scribble polyurethane waterproof coating.

As an optimized technical scheme of the utility model, the protective housing upper end is equipped with visor assorted screw thread.

As an optimal technical scheme of the utility model, connecting wire, screw and protective sheath all are equipped with two.

As an optimized technical scheme of the utility model, the fixative with be equipped with the one deck division board between the insulating silicone grease.

The utility model discloses the beneficial effect who reaches is: the protective cover and the protective shell are connected through threads, the waterproof ring arranged on the protective cover and the protective shell plays a good sealing effect, the capacitor element can be effectively fixed through the arranged fixing agent, and the arranged sealing ring and the insulating silicone grease can effectively prevent the capacitor element from being wetted by water.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a structural sectional view of the present invention;

fig. 3 is a schematic diagram of structure a of the present invention.

In the figure: 1. a protective shell; 2. a fixative; 3. a capacitive element; 4. a connecting wire; 5. insulating silicone grease; 6. polyurethane waterproof paint; 7. a screw; 8. a cover plate; 9. a seal ring; 10. waterproof glue; 11. a thread; 12. a waterproof ring; 13. a protective cover; 14. a protective sleeve; 15. and (4) a partition board.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the waterproof capacitor of the present invention comprises a protective casing 1, and is characterized in that the upper end of the protective casing 1 is connected with a protective cover 13 by screw threads, the protective cover 13 and the protective casing 1 protect internal electrical components, the upper end of the protective cover 13 is fixedly connected with a seal ring 9, the seal ring 9 has good sealing performance to prevent water from entering due to moisture, the protective cover 13 is fixedly connected with a cover plate 8 by waterproof glue 10, the cover plate 8 has functions of fixing the electrical components and a connecting wire 4, the lower end of the protective casing 1 is fixedly connected with a capacitance component 3, the capacitance component 3 is fixedly connected with the protective casing 1 by a fixing agent 2, the fixing agent 2 fixes the capacitance component 3 in the protective casing 1 to prevent shaking during operation, the upper end of the protective casing 1 is provided with an insulating silicone grease 5 near the fixing agent 2, the insulating silicone grease is a silicone, be applicable to electron, electric elements and connector, parts such as joint, have sealedly, the protection, maintain the effect of maintenance component or part, 3 upper end connecting wire 4 fixed connection protective sheath 14 of electric capacity component, protective sheath 14 protects connecting wire 4, protective sheath 14 passes apron 8 and 9 threaded connection screws 7 of sealing washer,

protective sheath

1 and 13 junction fixed connection waterproof ring 12 protective sheath 1 of visor 13 seep water and get into protective sheath 1 inside, waterproof ring 12 plays and places with 13 threaded connection department of visor.

Be equipped with between apron 8 and the protective sheath and scribble polyurethane waterproof coating 6, polyurethane waterproof coating is reaction curing type (moisture solidification) coating, it is high to have intensity, the percentage elongation is big, water resistance is good, green, it is closely knit to coat, the waterproof layer is complete, no crack, there is not the pinhole, no bubble, vapor permeability coefficient is little, both have waterproof function and have the gas barrier function, protective housing 1 upper end is equipped with visor 13 assorted screw thread 11, connecting wire 4, screw 7 and protective sheath 14 all are equipped with two, be equipped with one deck division board 15 between fixative 2 and insulating silicone grease 5, division board 15 is cut apart fixative 2 and insulating silicone grease 15 mutually.

Specifically, visor 13 and protective housing 1 pass through threaded connection and the waterproof ring 12 that sets up plays fine sealed effect, through the fixative 2 that sets up, can fix the electric capacity component effectively to the sealing washer 9 and the insulating silicone grease 5 that set up can effectually prevent that electric capacity component from intaking to wet, and the polyurethane water proof coating 6 that sets up has characteristics such as fine waterproof nature and intensity height, plays fine protection electric capacity component 3's effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A waterproof capacitor comprises a protective shell (1) and is characterized in that the upper end of the protective shell (1) is in threaded connection with a protective cover (13), the upper end of the protective cover (13) is fixedly connected with a sealing ring (9), the protective cover (13) is fixedly connected with the cover plate (8) through waterproof glue (10), the lower end in the protective shell (1) is fixedly connected with a capacitance element (3), the capacitance element (3) is fixedly connected with the protective shell (1) through a fixing agent (2), the upper end of the protective shell (1) is provided with insulating silicone grease (5) close to the fixing agent (2), a connecting wire (4) at the upper end of the capacitor element (3) is fixedly connected with a protective sleeve (14), the protective sleeve (14) passes through the cover plate (8) and the sealing ring (9) to be in threaded connection with the screw (7), the joint of the protective shell (1) and the protective cover (13) is fixedly connected with a waterproof ring (12).

2. A water-proof capacitor according to claim 1, characterized in that a polyurethane waterproof coating (6) is provided between the cover plate (8) and the protective sleeve.

3. A watertight capacitor according to claim 1, characterized in that the upper end of the protective casing (1) is provided with a thread (11) matching the protective cover (13).

4. A watertight capacitor according to claim 1, characterized in that there are two of said connection line (4), screw (7) and protective sheath (14).

5. A water-resistant capacitor according to claim 1, characterized in that a spacer (15) is provided between the fixing agent (2) and the insulating silicone grease (5).