Efficient heat dissipation capacitor

Abstract

An efficient heat dissipation capacitor comprises a capacitor shell, a lower liner is arranged at the bottom of the capacitor shell, a core bag is arranged on the lower liner, an anode lead and a cathode lead are connected to the core bag, an upper liner and a cover plate are arranged above the core bag, and the anode lead and the cathode lead on the core bag penetrate through the upper liner and the cover plate. The periphery of the capacitor shell is provided with a plurality of vertical heat dissipation grooves facing the inner side, the core cladding is clamped among the vertical heat dissipation grooves, the vertical heat dissipation grooves are completely communicated, the surface of the cover plate is provided with supporting protrusions, and the supporting protrusions protrude out of the surface of the capacitor shell to heighten the mounting surface of the capacitor. Compared with the prior art, the high-efficiency heat dissipation capacitor has the advantages that the core cladding is clamped between the vertical heat dissipation grooves, so that the contact area between the core cladding and the shell is increased, the core cladding transmits heat to the shell, and meanwhile, the supporting bulges heighten the mounting surface of the capacitor, so that cooling air can rise from the bottom to take out the heat in the heat dissipation grooves, and the heat dissipation efficiency is improved. And the heat dissipation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of capacitor production and manufacturing, in particular to a high-efficiency heat dissipation capacitor. Background Art

[0002] Capacitors are a common electronic component, widely used in circuits. During use, capacitors generate a lot of heat. Due to the general heat dissipation effect, the capacitor container ages under long-term high temperature, affecting the service life of the capacitor. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a high-efficiency heat dissipation capacitor in view of the deficiencies of the above-mentioned prior art.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A high-efficiency heat dissipation capacitor comprises a capacitor housing, a lower pad is arranged at the bottom of the capacitor housing, a core bag is arranged on the lower pad, an anode lead and a cathode lead are connected to the core bag, an upper pad and a cover plate are arranged above the core bag, the anode lead and the cathode lead on the core bag pass through the upper pad and the cover plate, a plurality of inwardly directed vertical heat dissipation grooves are arranged around the capacitor housing, the core bag is stuck between the vertical heat dissipation grooves, the vertical heat dissipation grooves are completely connected, and a support protrusion is arranged on the surface of the cover plate, the support protrusion protrudes from the surface of the capacitor housing, and the capacitor mounting surface is raised.

[0006] Furthermore, the depth of the vertical heat dissipation groove is 3-6 mm, and the width of the vertical heat dissipation groove is 5-15 mm.

[0007] Furthermore, the supporting protrusion protrudes from the surface of the capacitor housing by 2 to 4 mm.

[0008] Furthermore, the surface of the capacitor housing is provided with flanges around the vertical heat dissipation grooves, and the flanges press the cover plate.

[0009] Furthermore, the capacitor housing is filled with capacitor potting glue around the vertical heat dissipation groove.

[0010] Compared with the prior art, the utility model provides a high-efficiency heat dissipation capacitor. Since the core package is stuck between the vertical heat dissipation grooves, the contact area between the core package and the shell is increased. The core package conducts heat to the shell. At the same time, the supporting protrusion raises the mounting surface of the capacitor, so that cooling air can rise from the bottom and bring out the heat in the heat dissipation groove, thereby improving the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the heat dissipation state of the capacitor of the utility model;

[0014] Among them, 1. capacitor shell, 2. lower gasket, 3. core package, 4. anode lead, 5. cathode lead, 6. upper gasket, 7. cover plate, 8. vertical heat dissipation groove, 9. flange, 10. support protrusion. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present utility model will be described clearly and completely below.

[0016] like Figure 1 and Figure 2 As shown, a high-efficiency heat dissipation capacitor includes a capacitor shell 1, a lower pad 2 is arranged at the bottom of the capacitor shell 1, a core bag 3 is arranged on the lower pad 2, an anode lead 4 and a cathode lead 5 are connected to the core bag 3, an upper pad 6 and a cover plate 7 are arranged above the core bag 3, the anode lead 4 and the cathode lead 5 on the core bag 3 pass through the upper pad 6 and the cover plate 7, a plurality of vertical heat dissipation grooves 8 facing inward are arranged around the capacitor shell 1, the core bag 3 is stuck between the vertical heat dissipation grooves 8, a flange 9 is arranged around the vertical heat dissipation groove on the surface of the capacitor shell 1, the flange 9 presses the cover plate 7, and then fixes the core bag in the capacitor shell, and the capacitor shell 1 is filled with capacitor potting glue around the vertical heat dissipation groove 8, and the core bag is encapsulated by the capacitor potting glue, so that the core bag is in contact with the side of the capacitor shell, so that the heat on the core bag can be timely conducted to the capacitor shell, and at the same time, the heat dissipation surface of the capacitor shell 1 is increased.

[0017] The cover plate 7 is provided with a support protrusion 10 on its surface, the support protrusion 10 protrudes out of the surface of the capacitor housing 1, and when the capacitor is installed, the capacitor installation surface is raised by the support protrusion 10, and the vertical heat dissipation groove 8 is completely connected. Figure 3 As shown, after the cooling air enters from the mounting surface below the capacitor, it quickly rises from the vertical heat dissipation groove 8. Since the core package 3 is in contact with the shell, the conducted heat is brought out through the vertical heat dissipation groove, thereby improving the heat dissipation efficiency.

[0018] The depth of the vertical heat dissipation groove is 3~6mm, which is based on the clamping of the core package 3. The width of the vertical heat dissipation groove is 5~15mm, which is adjusted according to the capacitor model. The larger the capacitor model, the wider the heat dissipation groove width. Generally, four vertical heat dissipation grooves are arranged around the capacitor housing 1, and according to the height of the installation space, the support protrusion protrudes 2~4mm from the surface of the capacitor housing.

[0019] The present invention is not limited to the described embodiments. Those skilled in the art may make some modifications or changes without departing from the spirit and scope of the present invention, that is, within the scope of disclosure. Therefore, the scope of protection of the present invention shall be subject to the scope defined in the claims.

Claims

1. A high-efficiency heat dissipation capacitor, comprising a capacitor housing, a lower gasket is provided at the bottom of the capacitor housing, a core bag is provided on the lower gasket, an anode lead and a cathode lead are connected to the core bag, an upper gasket and a cover plate are provided above the core bag, and the anode lead and the cathode lead on the core bag pass through the upper gasket and the cover plate, characterized in that: The capacitor housing is provided with a plurality of inwardly facing vertical heat dissipation grooves around the capacitor housing, the core package is stuck between the vertical heat dissipation grooves, the vertical heat dissipation grooves are completely connected, and the cover plate surface is provided with supporting protrusions, which protrude from the surface of the capacitor housing to raise the capacitor mounting surface.

2. The high-efficiency heat dissipation capacitor according to claim 1, characterized in that: The depth of the vertical heat dissipation groove is 3-6 mm, and the width of the vertical heat dissipation groove is 5-15 mm.

3. The high-efficiency heat dissipation capacitor according to claim 1, characterized in that: The supporting protrusion protrudes from the surface of the capacitor housing by 2 to 4 mm.

4. The high-efficiency heat dissipation capacitor according to claim 1, characterized in that: The surface of the capacitor housing is provided with flanges around the vertical heat dissipation grooves, and the flanges press the cover plate.

5. The high-efficiency heat dissipation capacitor according to claim 1, characterized in that: The capacitor housing is filled with capacitor potting glue around the vertical heat dissipation groove.

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