Schottky diode

Abstract

The utility model discloses a Schottky diode, relates to the Schottky diode field, and comprises a pedestal and a diode main body arranged above the pedestal, one side of the top end surface of the pedestal is provided with an installation part, the other side of the other end surface of the pedestal is provided with a support column, the top end of the installation part is embedded and fixed with a fastening seat, and the top end of the fastening seat is provided with a fastening groove. A fastening pin connected with the fastening seat is arranged at the bottom end of the mounting part, and a plurality of mounting pins tightly inserted into the fastening seat are arranged on the diode body. According to the utility model, the fastening pins on the base are welded in the circuit board, the mounting pins on the diode main body are tightly inserted into the fastening seat and are electrically connected with the fastening pins, and the other end of the diode main body is kept stable through the supporting column and the first bolt which is inserted into the circuit board in a threaded manner; and after the first bolt is screwed off, the mounting pin is pulled out of the fastening seat, so that the diode main body is convenient to disassemble and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of schottky diode, concretely is a kind of schottky diode. BACKGROUND

[0002] Schottky diode is named after its inventor Dr. Schottky, and SBD is the abbreviation of Schottky barrier diode. SBD is not made by using the principle of PN junction formed by the contact of P-type semiconductor and N-type semiconductor, but by the principle of metal-semiconductor junction formed by the contact of metal and semiconductor.

[0003] In the prior art, when installing the schottky diode, the schottky diode is fixed on the mainboard by using tin soldering. Therefore, when the schottky diode needs to be replaced, the schottky diode needs to be disassembled after cleaning the tin soldering, and the schottky diode needs to be fixed by tin soldering again, which wastes time. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims to provide a schottky diode to solve the technical problem that the schottky diode needs to be disassembled after cleaning the tin soldering when the schottky diode needs to be replaced, and the schottky diode needs to be fixed by tin soldering again.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a schottky diode, comprising a base and a diode body arranged above the base, an installation part is arranged on one side of the top end face of the base, and a supporting column is arranged on the other side of the other end face of the base, a fastening seat is embedded and fixed at the top end of the installation part, fastening pins connected with the fastening seat are arranged at the bottom end of the installation part, and a plurality of installation pins are tightly inserted into the fastening seat on the diode body.

[0006] The utility model is further provided with a heat dissipation part at the bottom end of the diode body, and a first bolt is arranged at the top end of the heat dissipation part.

[0007] The utility model is further provided with a protruding part inserted into the heat dissipation part at the top end of the supporting column, and a through hole penetrating through the protruding part is formed in the supporting column.

[0008] The utility model is further provided with a mounting hole corresponding to the through hole formed in the base, the bottom end of the first bolt is respectively embedded in the through hole and the mounting hole, and the first bolt protrudes at the bottom end of the base.

[0009] The utility model is further provided with an installation plate arranged at the center position of the top end face of the base, and heat dissipation fins tightly connected with the diode body are fixed at equal intervals at the top end of the installation plate.

[0010] The present invention is further configured such that positioning portions are fixed on both sides of the top surface of the heat sink, and the positioning portions are tightly connected to the side wall of the diode body.

[0011] The present invention is further configured such that the bottom end of the base is provided with a plurality of grooves in a rectangular array, and a second bolt threaded into the mounting plate is embedded in the groove.

[0012] In summary, this utility model has the following advantages: A base is provided below the diode body, with fastening pins soldered to the circuit board. Simultaneously, mounting pins on the diode body are tightly inserted into the fastening seat, maintaining an electrical connection. The other end of the diode body is stabilized by a support post and a first bolt threaded into the circuit board. After unscrewing the first bolt, the mounting pins can be pulled out of the fastening seat, facilitating the disassembly and replacement of the diode body. Furthermore, a mounting plate is provided at the top of the base, with a second bolt in the groove at the bottom of the base threaded into the mounting plate for fixation. Multiple heat sinks at the top of the mounting plate support and position the diode body, while the heat sink absorbs the heat generated by the diode body, thus improving the stability and heat dissipation effect of the diode body. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the disassembled support column structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of this utility model from another angle;

[0016] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0017] In the diagram: 1. Base; 2. Support column; 3. Heat sink; 4. First bolt; 5. Diode body; 6. Mounting pin; 7. Fastening seat; 8. Mounting part; 9. Mounting plate; 10. Heat sink; 11. Through hole; 12. Protrusion; 13. Fastening pin; 14. Positioning part; 15. Mounting hole; 16. Groove; 17. Second bolt. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0019] A Schottky diode, such asFigures 1-4 As shown, including the base 1 and the diode body 5 is arranged above the base 1, the top end face side of the base 1 is provided with the mounting portion 8, and the other end face side of the base 1 is provided with the support column 2, the top end of the mounting portion 8 is inlaidly fixed with the fastening seat 7, and the bottom end of the mounting portion 8 is provided with the fastening pin 13 connected with the fastening seat 7, the diode body 5 is provided with a plurality of mounting pins 6 tightly inserted into the fastening seat 7.

[0020] The bottom end of the diode body 5 is provided with the heat dissipation portion 3, the top end of the heat dissipation portion 3 is provided with the first bolt 4, the top end of the support column 2 is fixedly provided with the protruding portion 12 inserted into the heat dissipation portion 3, and the support column 2 is provided with the through hole 11 penetrating through the protruding portion 12, the base 1 is provided with the mounting hole 15 corresponding to the through hole 11, the bottom end of the first bolt 4 is inlaidly arranged in the through hole 11 and the mounting hole 15, respectively, and the first bolt 4 protrudes at the bottom end of the base 1, the fastening pin 13 on the base 1 is welded in the circuit board, and the mounting pin 6 on the diode body is tightly inserted into the fastening seat 7 and is electrically connected with the fastening pin 13, the other end of the diode body 5 is stably kept through the support column 2 and the first bolt 4 threaded into the circuit board, and the mounting pin 6 is pulled out of the fastening seat 7 after the first bolt 4 is unscrewed, so that the diode body is convenient to disassemble and replace.

[0021] Further, the top end face center position of the base 1 is provided with the mounting plate 9, the top end of the mounting plate 9 is equidistantly fixed with the heat dissipation fin 10 tightly connected with the diode body 5, the top end face of the heat dissipation fin 10 is fixed with the positioning portion 14 on both sides, the positioning portion 14 is tightly connected with the side wall of the diode body, and the bottom end of the base 1 is provided with a plurality of recesses 16 in a rectangular array, the second bolt 17 threaded into the mounting plate 9 is inlaidly arranged in the recess 16, the second bolt 17 in the recess 16 at the bottom end of the base 1 is threaded into the mounting plate 9 and kept fixed, and the plurality of heat dissipation fins 10 at the top end of the mounting plate 9 support and position the diode body, and the heat dissipation plate absorbs the heat generated by the diode body.

[0022] The working principle of the utility model is as follows: in use, the fastening pin 13 on the base 1 is welded in the circuit board, the mounting pin 6 on the diode body 5 is tightly inserted into the fastening seat 7 and is electrically connected with the fastening pin 13 during installation, the other end of the diode body 5 is stably kept through the support column 2 and the first bolt 4 threaded into the circuit board, the second bolt 17 in the recess 16 at the bottom end of the base 1 is threaded into the mounting plate 9 and kept fixed, the plurality of heat dissipation fins 10 at the top end of the mounting plate 9 support and position the diode body, and the heat dissipation plate absorbs the heat generated by the diode body, and the mounting pin 6 is pulled out of the fastening seat 7 after the first bolt 4 is unscrewed when the diode is disassembled.

[0023] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A Schottky diode comprising a base (1) and a diode body (5) disposed above the base (1), characterized in that: The top end face side of the base (1) is provided with a mounting part (8), and the other end face side of the base (1) is provided with a support column (2), the top end of the mounting part (8) is inlaidly fixed with a fastening seat (7), and the bottom end of the mounting part (8) is provided with a fastening needle (13) connected with the fastening seat (7), and the diode body (5) is provided with a plurality of mounting needle (6) tightly inserted into the fastening seat (7).

2. The Schottky diode of claim 1, wherein: The bottom end of the diode body (5) is provided with a heat dissipation part (3), and the top end of the heat dissipation part (3) is provided with a first bolt (4).

3. The Schottky diode of claim 2, wherein: The top end of the support column (2) is fixed with a protruding part (12) inserted into the heat dissipation part (3), and the support column (2) is provided with a through hole (11) penetrating through the protruding part (12).

4. The Schottky diode of claim 3, wherein: The base (1) is provided with a mounting hole (15) corresponding to the through hole (11), the bottom end of the first bolt (4) is inlaidly arranged in the through hole (11) and the mounting hole (15) respectively, and the first bolt (4) is protrudingly arranged at the bottom end of the base (1).

5. The Schottky diode of claim 1, wherein: The top end face center position of the base (1) is provided with a mounting plate (9), and the top end of the mounting plate (9) is equidistantly fixed with a heat dissipation fin (10) tightly connected with the diode body (5).

6. The Schottky diode of claim 5, wherein: The top end face of the heat dissipation fin (10) is fixed with a positioning part (14) on both sides, and the positioning part (14) is tightly connected with the side wall of the diode body.

7. The Schottky diode of claim 6, wherein: The bottom end of the base (1) is provided with a plurality of recesses (16) in a rectangular array, and the recesses (16) are inlaidly provided with second bolts (17) threadedly inserted into the mounting plate (9).

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