Sectional type safety film anti-interference capacitor

Abstract

The utility model relates to the technical field of capacitors, and discloses a sectional type safety film anti-interference capacitor, which comprises a capacitor body, a cavity is arranged in the capacitor body, a plurality of arc-shaped supporting plates are respectively and fixedly arranged on the inner wall of the cavity, two corresponding arc-shaped supporting plates are respectively provided with a positive electrode mechanism, and a negative electrode mechanism is arranged on the positive electrode mechanism. A negative electrode mechanism is arranged on the two corresponding arc-shaped supporting plates, and a separation anti-interference mechanism is arranged in the cavity of the capacitor body; according to the utility model, the polypropylene film has excellent electrical insulation performance, relatively low loss factor and relatively good temperature stability and is very excellent in high-frequency application, the low-loss characteristic of the polypropylene film enables the capacitor to effectively reduce high-frequency noise and electromagnetic interference, and meanwhile, when the capacitor body is in normal operation, the service life of the capacitor body is prolonged. Through the cooperation of the plurality of V-shaped radiating fins on the capacitor body and the radiating disc, the heat in the capacitor body can be quickly conducted to the outside, and the radiating efficiency in the capacitor body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor technical field especially relates to a sectional safety film anti -interference capacitor. BACKGROUND

[0002] Capacitor is a kind of common electronic component, is widely used in electrical and electronic equipment, mainly for storing electric energy, regulating current, filtering, smoothing signal etc.;It is formed by two conductors (usually metal plate) and an insulating material (dielectric);The basic function of capacitor is to store electric charge and release energy in circuit.

[0003] The capacitor of the prior art (its authorized announcement number is: CN202940128U), the capacitor of this kind of structure is composed of shell and capacitor core, in the working process, capacitor core generates heat constantly, but due to the poor heat dissipation effect of shell, heat cannot be dissipated quickly, and local accumulation of heat is easy to cause, in the long run, the thermal breakdown of a certain capacitor core, and then lead to the failure of the whole capacitor, affect the service life of capacitor;Therefore, we put forward the utility model to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a sectional safety film anti-interference capacitor for solving the above problems.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A sectional safety film anti-interference capacitor, comprising a capacitor body, a cavity is formed in the capacitor body, a plurality of arc-shaped supporting plates are fixedly installed on the inner wall of the cavity, a positive electrode mechanism is arranged on the corresponding two arc-shaped supporting plates, a negative electrode mechanism is arranged on the corresponding two arc-shaped supporting plates, a partition anti-interference mechanism is arranged in the cavity of the capacitor body, a bottom ring protrusion is arranged on the bottom side of the capacitor body, and a heat conduction mechanism is arranged in the cavity of the capacitor body.

[0007] Preferably, the positive electrode mechanism comprises a positive electrode aluminum foil and a positive electrode lead, the corresponding two arc-shaped supporting plates are sleeved with the positive electrode aluminum foil, the output end of the positive electrode aluminum foil is connected with the positive electrode lead, and the top end of the positive electrode lead penetrates out of the capacitor body.

[0008] Preferably, the negative electrode mechanism comprises a negative electrode aluminum foil and a negative electrode lead, the corresponding two arc-shaped supporting plates are sleeved with the negative electrode aluminum foil, the output end of the negative electrode aluminum foil is connected with the negative electrode lead, and the top end of the negative electrode lead penetrates out of the capacitor body.

[0009] Preferably, the anti-interference partition mechanism comprises a partition plate and a polypropylene film, the inner wall of the cavity in the capacitor body is fixedly provided with the partition plate, and the partition plate is provided with the polypropylene film on both sides; the polypropylene film has excellent electrical insulation performance, a low loss factor and good temperature stability, and is very excellent in high-frequency applications, and the low-loss characteristic of the polypropylene film can effectively reduce high-frequency noise and electromagnetic interference of the capacitor.

[0010] Preferably, a plurality of air vents are formed on the bottom ring protrusion at the bottom end of the capacitor body, and the air vents are arranged in a circumferential array; the plurality of air vents on the bottom ring protrusion at the bottom end of the capacitor body improve the air circulation efficiency between the inside of the bottom ring protrusion and the outside.

[0011] Preferably, the heat conduction mechanism comprises V-shaped radiating fins and a radiating disc, a plurality of V-shaped radiating fins are arranged in the cavity of the capacitor body, the bottom ends of the V-shaped radiating fins extend into the bottom ring protrusion and are fixedly connected with the same radiating disc; the cooperation of the plurality of V-shaped radiating fins and the radiating disc facilitates efficient heat dissipation in the capacitor body.

[0012] Compared with the prior art, the anti-interference capacitor has the advantages that:

[0013] The segmented safety film anti-interference capacitor has the advantages that: the polypropylene film has excellent electrical insulation performance, a low loss factor and good temperature stability, and is very excellent in high-frequency applications, and the low-loss characteristic of the polypropylene film can effectively reduce high-frequency noise and electromagnetic interference of the capacitor; meanwhile, when the capacitor body is in normal operation, the cooperation of the plurality of V-shaped radiating fins and the radiating disc on the capacitor body facilitates rapid heat conduction from the capacitor body to the outside, and improves the heat dissipation efficiency in the capacitor body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of a three-dimensional perspective of the utility model;

[0015] Figure 2 It is a structure schematic view of a partial section of the utility model;

[0016] Figure 3 It is a structure schematic view of a partial section of the utility model from an explosion perspective;

[0017] Figure 4 It is a structure schematic view of the utility model from an explosion perspective.

[0018] In the figure: 1, capacitor body; 2, chamber; 3, arc-shaped support plate; 4, positive aluminum foil; 5, positive pin; 6, negative aluminum foil; 7, negative pin; 8, partition plate; 9, polypropylene film; 10, bottom ring protrusion; 11, V-shaped fin; 12, heat dissipation disc; 13, air inlet. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Referring to Figures 1-4 A sectional safety film anti-interference capacitor, comprising a capacitor body 1, a chamber 2 is formed in the capacitor body 1, a plurality of arc-shaped support plates 3 are fixedly installed on the inner wall of the chamber 2, a positive electrode mechanism is arranged on the corresponding two arc-shaped support plates 3, a negative electrode mechanism is arranged on the corresponding two arc-shaped support plates 3, a partition anti-interference mechanism is arranged in the chamber 2 of the capacitor body 1, a bottom ring protrusion 10 is arranged on the bottom side of the capacitor body 1, and a heat conduction mechanism is arranged in the chamber 2 of the capacitor body 1.

[0021] Further, the positive electrode mechanism comprises a positive aluminum foil 4 and a positive pin 5, the corresponding two arc-shaped support plates 3 are sleeved with the positive aluminum foil 4, the output end of the positive aluminum foil 4 is connected with the positive pin 5, and the top end of the positive pin 5 penetrates out of the capacitor body 1.

[0022] Further, the negative electrode mechanism comprises a negative aluminum foil 6 and a negative pin 7, the corresponding two arc-shaped support plates 3 are sleeved with the negative aluminum foil 6, the output end of the negative aluminum foil 6 is connected with the negative pin 7, and the top end of the negative pin 7 penetrates out of the capacitor body 1.

[0023] Further, the partition anti-interference mechanism comprises a partition plate 8 and a polypropylene film 9, the inner wall of the chamber 2 in the capacitor body 1 is fixedly installed with the partition plate 8, and the two sides of the partition plate 8 are both provided with the polypropylene film 9; the polypropylene film 9 has excellent electrical insulation performance, low loss factor and good temperature stability, and performs very well in high-frequency applications, and the low-loss characteristics of the polypropylene film 9 enable the capacitor to effectively reduce high-frequency noise and electromagnetic interference.

[0024] Further, a plurality of air inlets 13 are formed on the bottom ring protrusion 10 at the bottom end of the capacitor body 1, and the plurality of air inlets 13 are distributed in a circumferential array; the plurality of air inlets 13 on the bottom ring protrusion 10 at the bottom end of the capacitor body 1 improve the air flow efficiency between the inside of the bottom ring protrusion 10 at the bottom end of the capacitor body 1 and the outside.

[0025] Further, the heat conduction mechanism comprises V-shaped radiating fins 11 and a radiating disc 12, a plurality of V-shaped radiating fins 11 are arranged in the cavity 2 of the capacitor body 1 respectively, the bottom ends of the plurality of V-shaped radiating fins 11 extend into the bottom ring protrusion 10 and are fixedly connected with the same radiating disc 12; through the cooperation of the plurality of V-shaped radiating fins 11 and the radiating disc 12, the effect of high-efficiency heat dissipation in the capacitor body 1 is facilitated.

[0026] In use: the capacitor body 1 in normal operation, through the polypropylene film 9 on both sides of the middle partition plate 8 in the cavity 2, the polypropylene film 9 has excellent electrical insulation performance, low loss factor and good temperature stability, and performs very well in high-frequency applications, and its low-loss characteristics enable the capacitor to effectively reduce high-frequency noise and electromagnetic interference; the positive aluminum foil 4 and the negative aluminum foil 6 release heat when working in the cavity 2 of the capacitor body 1, the heat released during the operation of the capacitor body 1 is conducted to the plurality of V-shaped radiating fins 11, due to the V-shaped structure of the V-shaped radiating fins 11, the contact efficiency with heat in the capacitor body 1 is improved, at the same time, the heat on the plurality of V-shaped radiating fins 11 is conducted to the radiating disc 12 in the bottom ring protrusion 10, the radiating disc 12 at the bottom end of the capacitor body 1 improves the heat dissipation efficiency, due to the plurality of air inlets 13 on the bottom ring protrusion 10 at the bottom end of the capacitor body 1, the air circulation efficiency in the bottom ring protrusion 10 at the bottom end of the capacitor body 1 with the outside is improved, and the heat dissipation efficiency in the capacitor body 1 is improved.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A segmented safety film interference capacitor comprising a capacitor body (1), characterized in that, The capacitor body (1) is provided with a cavity (2), the inner wall of the cavity (2) is respectively provided with a plurality of arc-shaped support plates (3), the corresponding two arc-shaped support plates (3) are provided with positive electrode mechanism, the corresponding two arc-shaped support plates (3) are provided with negative electrode mechanism, the cavity (2) of the capacitor body (1) is provided with a partition anti-interference mechanism, the bottom side of the capacitor body (1) is provided with a bottom ring protrusion (10), the cavity (2) of the capacitor body (1) is provided with a heat conduction mechanism.

2. A segmented safety film anti-tamper capacitor according to claim 1, wherein, The positive electrode mechanism includes a positive electrode aluminum foil (4) and a positive electrode pin (5), the corresponding two arc-shaped support plates (3) are provided with a positive electrode aluminum foil (4), the output end of the positive electrode aluminum foil (4) is connected with a positive electrode pin (5), and the top end of the positive electrode pin (5) penetrates out of the capacitor body (1).

3. A segmented safety film anti-tamper capacitor as defined in claim 1, wherein, The negative electrode mechanism includes a negative electrode aluminum foil (6) and a negative electrode pin (7), the corresponding two arc-shaped support plates (3) are provided with a negative electrode aluminum foil (6), the output end of the negative electrode aluminum foil (6) is connected with a negative electrode pin (7), and the top end of the negative electrode pin (7) penetrates out of the capacitor body (1).

4. The segmented safety film anti-tamper capacitor of claim 1, wherein, The partition anti-interference mechanism includes a partition plate (8) and a polypropylene film (9), the inner wall of the cavity (2) in the capacitor body (1) is fixedly provided with a partition plate (8), and the two sides of the partition plate (8) are provided with a polypropylene film (9).

5. The segmented safety film anti-tamper capacitor of claim 1, wherein, The bottom ring protrusion (10) at the bottom end of the capacitor body (1) is respectively provided with a plurality of air ports (13), and the plurality of air ports (13) are distributed in a circumferential array.

6. A segmented safety film anti-tamper capacitor as defined in claim 1, wherein, The heat conduction mechanism includes a V-shaped fin (11) and a heat dissipation disc (12), the cavity (2) of the capacitor body (1) is respectively provided with a plurality of V-shaped fins (11), and the bottom end of the plurality of V-shaped fins (11) extends into the bottom ring protrusion (10) and is fixedly connected with the same heat dissipation disc (12).

Images