CN219085817U - High-heat-dissipation automobile capacitor - Google Patents

Abstract

The utility model relates to the technical field of capacitors, in particular to a high-heat-dissipation automobile capacitor, which comprises a plurality of bodies which are arranged at intervals in a sheet shape, wherein each body comprises a ceramic shell, a plurality of first electrodes and a plurality of second electrodes which are arranged in the ceramic shell, the first electrodes and the second electrodes are distributed alternately at intervals, the tops of the first electrodes extend upwards to form the ceramic shell and are electrically connected with a conducting plate, an insulating cover is sleeved on the upper part of the conducting plate, the insulating cover is fixedly connected with the upper parts of the plurality of bodies, a wiring terminal which is electrically connected with the conducting plate is arranged on the upper part of the insulating cover, the bottoms of the second electrodes extend downwards to form a wiring base which is electrically connected with the ceramic shell, the outer sides of the bottoms of the bodies are fixedly connected with the wiring base through fixing sleeves, and a plurality of heat dissipation fins are arranged at the front end and the rear end of the wiring base. The capacitor has high heat dissipation efficiency and stable and reliable structure, thereby being capable of prolonging the service life.

Description

High-heat-dissipation automobile capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a high-heat-dissipation automobile capacitor.

Background

Two conductors close to each other with a layer of non-conductive insulating medium sandwiched between them, constitute a capacitor. When a voltage is applied between the two plates of the capacitor, the capacitor stores a charge. The capacitance of the capacitor is equal in value 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 the capacitor is farad (F). The capacitive element is generally indicated by the letter C in the circuit diagram. Capacitors play an important role in circuits such as tuning, bypassing, coupling, filtering, etc.

The existing capacitor with heat dissipation effect, for example, publication number CN208548265U discloses a high heat dissipation capacitor, which comprises an outer shell, an annular radiator is fixedly sleeved on the outer side of the outer shell, a capacitor body is fixedly arranged in the outer shell, a capacitor core is fixedly arranged in the fixed frame, a heat dissipation base plate is fixedly arranged at the bottom of the capacitor body far away from the outer shell, a first heat dissipation through hole is fixedly arranged on the surface of the heat dissipation base plate and between fixing holes, and a second heat dissipation through hole is fixedly arranged on the annular outer surface of the heat dissipation base plate far away from the first heat dissipation through hole; the annular radiator comprises radiating through pipes, the radiating through pipes are uniformly arranged in the annular radiator, and radiating plates are fixedly arranged between the radiating through pipes. From the above, the existing capacitor can dissipate heat from the outside through the annular radiator, but the capacitor body is cylindrical, so that the heat in the capacitor body is not easy to dissipate, and the internal temperature is easy to be too high, thereby influencing the service life of the capacitor.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the automobile capacitor with high heat dissipation performance, which has high heat dissipation efficiency and stable and reliable structure, thereby prolonging the service life.

The utility model provides a high-heat-dissipation automobile capacitor, which comprises a plurality of bodies which are arranged at intervals in a sheet shape, wherein each body comprises a ceramic shell, a plurality of first electrodes and a plurality of second electrodes which are arranged in the ceramic shell, the first electrodes and the second electrodes are distributed alternately at intervals, the tops of the first electrodes extend upwards out of the ceramic shell and are electrically connected with conductive plates, an insulating cover is sleeved on the upper parts of the conductive plates, the insulating cover is fixedly connected with the upper parts of the plurality of bodies, connecting terminals which are electrically connected with the conductive plates are arranged on the upper parts of the insulating cover, the bottoms of the second electrodes extend downwards out of the ceramic shell and are electrically connected with a wiring base, the outer sides of the bottoms of the bodies are fixedly connected with the wiring base through fixing sleeves, and a plurality of heat dissipation fins are arranged at the front end and the rear end of the wiring base.

In some embodiments, the terminal includes a threaded seat and a screw disposed within the threaded seat.

In some embodiments, the screw seat is fixed on the surface of the insulating cover, and the screw passes downwards through the screw seat and the insulating cover to be abutted with the conductive plate.

In some embodiments, the two ends of the wiring base are arranged in a step shape, and a plurality of mounting holes are formed in the two ends of the wiring base.

In some embodiments, the left and right sides of the ceramic shell are rounded.

In some embodiments, the heat dissipation fins are rectangular, the upper surfaces of the heat dissipation fins are flush with the upper surface of the wiring base, and the lower surfaces of the heat dissipation fins are higher than the lower surface of the wiring base.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: the body that sets up is slice interval distribution, and the body includes ceramic casing, establishes a plurality of first electrodes and a plurality of second electrode in ceramic casing for the body surface area is big, and ceramic casing heat conduction insulating effect is good, and both ends all set up a plurality of radiating fins around the cooperation wiring base, make radiating effect good, prevent that the inside situation of too high temperature from appearing of body, thereby can increase of service life; the insulating boot and a plurality of body upper portion fixed connection that set up, body bottom outside is through fixed cover and wiring base fixed connection for body stable in structure uses safe and reliable.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of the high heat dissipation automotive capacitor provided by the utility model.

Fig. 2 is a schematic diagram of the internal structure of the body of the high heat dissipation automotive capacitor according to the present utility model.

Fig. 3 is a schematic diagram of a transverse cross-sectional structure of an insulating cover of a high heat dissipation automotive capacitor according to the present utility model.

Detailed Description

The foregoing and other technical content, features and technical effects of the present utility model will be apparent from the following detailed description of the embodiments with reference to the accompanying drawings. The following description contains various specific details to aid in this understanding, but these should be considered exemplary only. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-3, the high heat dissipation automotive capacitor of this embodiment includes a plurality of bodies 1 arranged at intervals in a sheet form, each body 1 includes a ceramic housing 2, a plurality of first electrodes 3 and a plurality of second electrodes 4 arranged in the ceramic housing 2, the first electrodes 3 and the second electrodes 4 are alternately distributed at intervals, the top of the first electrodes 3 extends upwards out of the ceramic housing 2 to be electrically connected with a conductive plate 5, and the conductive plates are electrically connected in a soldering manner. The upper part of the conducting plate 5 is sleeved with an insulating cover 6, the insulating cover 6 is fixedly connected with the upper parts of the plurality of bodies 1, and the connecting part is fixed by insulating glue. The upper part of the insulating cover 6 is provided with a wiring terminal 7 electrically connected with the conducting plate 5, the bottom of the second electrode 4 downwards extends out of the ceramic shell 2 to be electrically connected with a wiring base 8, and the connection part is electrically connected in a soldering way. The outer side of the bottom of the body 1 is fixedly connected with the wiring base 8 through a fixing sleeve 9, wherein the fixing sleeve 9 is fixedly connected with the body 1 and the wiring base 8 by adopting strong glue. A plurality of radiating fins 10 are arranged at the front end and the rear end of the wiring base 8. Wherein. The wiring base 8 is made of conductive metal, so that the conductivity is achieved.

Based on the arrangement, the body 1 is in sheet-shaped interval distribution, and the body 1 comprises a ceramic shell 2, a plurality of first electrodes 3 and a plurality of second electrodes 4 which are arranged in the ceramic shell 2, so that the surface area of the body 1 is large, the ceramic shell 2 has good heat conduction and insulation effects, and a plurality of radiating fins 10 are arranged at the front end and the rear end of the wiring base 8 in a matched manner, so that the radiating effect is good, the situation of overhigh temperature in the body 1 is prevented, and the service life can be prolonged; the insulating boot 6 and a plurality of body 1 upper portion fixed connection that set up, body 1 bottom outside is through fixed cover 9 and wiring base 8 fixed connection for body 1 stable in structure uses safe and reliable.

Specifically, the connection terminal 7 includes a screw seat 11 and a screw 12 provided in the screw seat 11. The screw seat 11 is fixed on the surface of the insulating cover 6, and the screw 12 passes through the screw seat 11 and the insulating cover 6 downwards to be abutted with the conductive plate 5. In the wiring, the wire is wound around the outside of the screw 12, and the wiring can be completed by tightening the screw 12.

Preferably, both ends of the wiring base 8 are arranged in a step shape, and both ends of the wiring base 8 are provided with a plurality of mounting holes 13. The mounting holes 13 can be used to both secure the entire capacitor to the working area and to mount the wires.

Preferably, the left and right sides of the ceramic housing 2 are rounded. Ensure comfortable holding when taking the capacitor and smooth ventilation among the ceramic shells 2.

Preferably, the radiating fins 10 are arranged in a rectangular shape, the upper surfaces of the radiating fins 10 are flush with the upper surface of the wiring base 8, and the lower surfaces of the radiating fins 10 are higher than the lower surface of the wiring base 8. So that the heat radiating fins 10 do not obstruct the installation position of the wiring base 8 when the wiring base 8 is installed.

The foregoing is illustrative of the present utility model and is not to be construed as limiting thereof, but rather, any modification, equivalent replacement, improvement or the like which comes within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims (6)

1. The utility model provides a high heat dissipation car condenser, its characterized in that, is body (1) that the slice interval set up including a plurality of, body (1) include ceramic casing (2), establish a plurality of first electrode (3) and a plurality of second electrode (4) in ceramic casing (2), first electrode (3) and second electrode (4) are interval staggered distribution, ceramic casing (2) electric connection has conducting plate (5) upwards to first electrode (3) top, conducting plate (5) upper portion cover is equipped with insulating cover (6), insulating cover (6) and a plurality of body (1) upper portion fixed connection, binding post (7) with conducting plate (5) electric connection are installed on insulating cover (6) upper portion, ceramic casing (2) electric connection have wiring base (8) downwards to second electrode (4) bottom, body (1) bottom outside is through fixed cover (9) and wiring base (8) fixed connection, a plurality of radiating fins (10) are all established around wiring base (8).

2. The high heat dissipation automotive capacitor according to claim 1, characterized in that the connection terminal (7) comprises a threaded seat (11) and a screw (12) provided in the threaded seat (11).

3. The high-heat-dissipation automotive capacitor according to claim 2, wherein the screw seat (11) is fixed on the surface of the insulating cover (6), and the screw (12) passes through the screw seat (11) and the insulating cover (6) downwards to be abutted with the conductive plate (5).

4. The high-heat-dissipation automotive capacitor according to claim 1, wherein two ends of the wiring base (8) are arranged in a stepped manner, and a plurality of mounting holes (13) are formed in two ends of the wiring base (8).

5. The high heat dissipation automotive capacitor according to claim 1, characterized in that the ceramic case (2) is provided with rounded corners on both left and right sides.

6. The high-heat-dissipation automotive capacitor according to claim 1, wherein the heat dissipation fins (10) are rectangular, the upper surfaces of the heat dissipation fins (10) are flush with the upper surface of the wiring base (8), and the lower surfaces of the heat dissipation fins (10) are higher than the lower surface of the wiring base (8).

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