CN212810063U

CN212810063U - High-temperature and high-humidity resistant dry capacitor

Info

Publication number: CN212810063U
Application number: CN202021578687.4U
Authority: CN
Inventors: 蒋建忠; 陈韶波
Original assignee: Suzhou Kairuida Capacitor Manufacturing Co ltd
Current assignee: Suzhou Kairuida Capacitor Manufacturing Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-03-26
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a high temperature and high humidity resistant dry-type capacitor, including casing, capacitor body, the bottom surface of casing is fixed respectively at both ends about both ends and is provided with concave type's locating plate, two the side surface transversely is equipped with the heat transfer board of multiunit bar respectively around the casing between the guard plate, the top surface middle part of casing vertically is equipped with the electrode fishplate bar, the casing top surface activity in the electrode fishplate bar outside is provided with insulating protection casing, the horizontal fixed ventilation base that is provided with concave type in inner wall bottom of casing, the shells inner wall in the capacitor body outside is the annular form and has seted up down wind-guiding groove. The utility model discloses utilize the down wind-guiding groove of casing inner chamber can effectively disperse the inside heat of casing in order to avoid direct influence condenser, and the base that ventilates can realize quick heat exchange in order to conduct the heat out of casing inner chamber through the heat conduction glue with the air-cooled groove of casing bottom, and the reinforcing thermal diffusivity is in order to promote high temperature resistant high humidity performance, excellent in use effect.

Description

High-temperature and high-humidity resistant dry capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a high temperature and high humidity resistant dry-type capacitor.

Background

Two conductors which are close to each other, with a non-conductive insulating medium in between, constitute a capacitor. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F). The capacitor element is generally denoted by letter C in the circuit diagram. Capacitors play an important role in circuits such as tuning, bypassing, coupling, filtering, etc. The tuning circuit of the transistor radio is used, and the coupling circuit, the bypass circuit and the like of the color television are also used. 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. The high temperature and high humidity resistance of the existing dry capacitor is mostly realized by a closed structure or adding a high temperature and high humidity resistant layer, for example, the patent with the application number of 201220346772.7 and the name of the high temperature and high humidity resistant dry capacitor is that the high temperature and high humidity resistance can be enhanced by adding an embedded layer, but the embedded layer is not suitable for long-term use, and the shortening process of the service life of the capacitor can be accelerated after long-term use due to the fact that the internal heat can not be absorbed or conducted out in time, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature and high humidity resistant dry capacitor to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature and high humidity resistant dry type capacitor, includes casing, capacitor body, both ends are fixed respectively about the bottom surface of casing are provided with concave locating plate, the side surface is vertical fixed curved guard plate that is provided with respectively about the casing, two the side surface is horizontal fixed multiunit bar heat transfer board that is provided with respectively around the casing between the guard plate, the top surface middle part of casing is provided with a plurality of electrode fishplates through mount pad longitudinal fixation, the casing top surface activity in the electrode fishplate outside is provided with insulating protective cover, the inner wall bottom of casing is horizontal fixed the ventilation base that is provided with concave shape, the vertical fixed setting of capacitor body is at the ventilation base top surface of casing inner chamber, the shells inner wall in the capacitor body outside is the annular form and has seted up down wind-guiding groove.

Preferably, the shell is of a pouring combined structure and is made of aluminum alloy, and the positioning plate and the shell are integrated into a whole through a welding process.

Preferably, the inner diameter of the arc-shaped opening of the positioning plate close to one end of the shell is the same as the outer diameter of the side face of the shell, and the top surface of the positioning plate far away from one end of the shell is respectively and vertically provided with a circular assembling hole.

Preferably, the inner cavity of the joint of the heat exchange plate and the shell is filled with heat-conducting silicone grease, and the heat exchange plate is arranged on the side face of the shell between the adjacent air guide grooves.

Preferably, the electric connection end of the electrode connecting plate is electrically connected with the electric connection pole of the capacitor body through a conductor, and the insulating protective cover on the outer side of the electrode connecting plate is made of transparent materials and has a rotation angle larger than 120 degrees.

Preferably, the bottom surface central line of casing is seted up there is the wind cooling groove, the ventilation base is insulating hollow out construction and is connected with the casing inner wall through heat-conducting glue.

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

1. be equipped with the ventilation base between shells inner wall bottom and capacitor body, and the shells inner wall in the capacitor body outside is the annular form and has seted up down wind-guiding groove, can effectively disperse the inside heat of casing in order to avoid direct influence condenser, and the ventilation base can realize quick heat exchange in order to conduct the heat out of the casing inner chamber with the forced air cooling groove of casing bottom through the thermal conductive adhesive, the reinforcing thermal diffusivity is in order to promote high temperature and high humidity resistance, excellent in use effect.

2. The inner chamber packing at heat transfer board and casing junction has heat conduction silicone grease, can go out the heat of housing face and utilize the heat transfer board to accomplish the forced air cooling, improves heat exchange efficiency, and the practicality is strong.

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 view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side sectional view of the present invention.

In the figure: 1. a housing; 2. a capacitor body; 3. positioning a plate; 4. a protection plate; 5. A heat exchange plate; 6. an electrode connecting plate; 7. an insulating protective cover; 8. a ventilation base; 9. a wind guide groove; 10. assembling holes; 11. heat-conducting silicone grease; 12. and (4) an air cooling groove.

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 and FIG. 2, fig. 3 shows an embodiment of the present invention, in which, a high temperature and high humidity resistant dry capacitor includes a housing 1 and a capacitor body 2, a concave-shaped positioning plate 3 is fixedly disposed at each of the left and right ends of the bottom surface of the housing 1, curved protection plates 4 are fixedly disposed on the left and right side surfaces of the housing 1 vertically, a plurality of sets of strip-shaped heat exchange plates 5 are fixedly disposed on the front and rear side surfaces of the housing 1 between the two protection plates 4, a plurality of electrode connection plates 6 are fixedly disposed in the middle of the top surface of the housing 1 vertically through a mounting seat, an insulating protection cover 7 is movably disposed on the top surface of the housing 1 outside the electrode connection plates 6, a concave-shaped ventilation base 8 is fixedly disposed on the bottom end of the inner wall of the housing 1 horizontally, the capacitor body 2 is fixedly disposed on the top surface of the ventilation base 8 in the inner cavity of the housing; the shell 1 is of a pouring type combined structure and is made of aluminum alloy, and the positioning plate 3 is integrated with the shell 1 into a whole by adopting a welding process, so that the service performance is ensured; the inner diameter of an arc-shaped opening of one end, close to the shell 1, of the positioning plate 3 is the same as the outer diameter of the side face of the shell 1, and circular assembling holes 10 are vertically formed in the top surface of one end, far away from the shell 1, of the positioning plate 3 respectively so as to meet assembling requirements; the inner cavity of the joint of the heat exchange plate 5 and the shell 1 is filled with heat-conducting silicone grease 11, the heat exchange plate 5 is arranged on the side surface of the shell 1 between the adjacent air guide grooves 9, and the heat conduction mode is expanded to accelerate heat dissipation; the electric connection end of the electrode connecting plate 6 is electrically connected with the electric connection pole of the capacitor body 2 through a conductor, and the insulating protective cover 7 on the outer side of the electrode connecting plate 6 is made of transparent materials and has a rotation angle larger than 120 degrees, so that the wiring operation is facilitated; the bottom surface central line of casing 1 offers wind cold groove 12, and ventilation base 8 is insulating hollow out construction and through heat-conducting glue and casing 1 inner wall connection, satisfies the heat conduction demand.

The utility model discloses a theory of operation and use flow: utilize the descending guide slot 9 of casing 1 inner chamber to guide inside heat downwards and cooperate the ventilation base 8 to realize through the heat conduction glue with the hot quick heat exchange between the air-cooled groove 12 of casing 1 bottom during the use, and the heat conduction silicone grease 11 of heat transfer board 5 and casing 1 junction inner chamber can be conducted away the heat on casing 1 surface fast and utilize heat transfer board 5 to accomplish the forced air cooling, can effectively strengthen the thermal diffusivity in order to promote high temperature and high humidity resistance, excellent in use 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. The utility model provides a high temperature and high humidity resistant dry-type capacitor, includes casing (1), capacitor body (2), its characterized in that: the left end and the right end of the bottom surface of the shell (1) are respectively fixedly provided with a concave positioning plate (3), arc-shaped protection plates (4) are respectively and vertically and fixedly arranged on the left side surface and the right side surface of the shell (1), a plurality of groups of strip-shaped heat exchange plates (5) are respectively and transversely and fixedly arranged on the front side surface and the rear side surface of the shell (1) between the two protection plates (4), the middle part of the top surface of the shell (1) is longitudinally and fixedly provided with a plurality of electrode connecting plates (6) through a mounting seat, an insulating protective cover (7) is movably arranged on the top surface of the shell (1) at the outer side of the electrode connecting plate (6), a concave-shaped ventilation base (8) is transversely and fixedly arranged at the bottom end of the inner wall of the shell (1), the capacitor body (2) is vertically and fixedly arranged on the top surface of a ventilation base (8) in the inner cavity of the shell (1), the inner wall of the shell (1) at the outer side of the capacitor body (2) is provided with a downlink air guide groove (9) in an annular shape.

2. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the shell (1) is of a pouring type combined structure and is made of aluminum alloy materials, and the positioning plate (3) is integrated with the shell (1) into a whole through a welding process.

3. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the inner diameter of an arc opening of one end, close to the shell (1), of the positioning plate (3) is the same as the outer diameter of the side face of the shell (1), and the top surface, far away from one end of the shell (1), of the positioning plate (3) is respectively and vertically provided with a circular assembling hole (10).

4. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the heat exchange plate (5) is filled with heat-conducting silicone grease (11) in an inner cavity at the joint of the heat exchange plate (5) and the shell (1), and the heat exchange plate (5) is arranged on the side face of the shell (1) between the adjacent air guide grooves (9).

5. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the electric connection end of the electrode connecting plate (6) is electrically connected with the electric connection pole of the capacitor body (2) through a conductor, and the insulating protective cover (7) on the outer side of the electrode connecting plate (6) is made of transparent materials and has a rotation angle larger than 120 degrees.

6. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the bottom surface central line of casing (1) is seted up and is had wind cold groove (12), ventilation base (8) are insulating hollow out construction and through heat-conducting glue and casing (1) inner wall connection.