CN214850990U - Bridge rectifier with high heat dissipation index - Google Patents
Bridge rectifier with high heat dissipation index Download PDFInfo
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- CN214850990U CN214850990U CN202120970936.2U CN202120970936U CN214850990U CN 214850990 U CN214850990 U CN 214850990U CN 202120970936 U CN202120970936 U CN 202120970936U CN 214850990 U CN214850990 U CN 214850990U
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- sealed body
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Abstract
The utility model discloses a bridge rectifier of high heat dissipation index relates to electronic component technical field, including the chip, the plastic-sealed body of encapsulation chip, positive and negative end of chip are connected with the connection piece respectively, and the connection piece encapsulates in the plastic-sealed body, and the connection piece passes through solder and chip bonding, is connected with the lead frame on the connection piece, and the lead frame bottom is equipped with the pin, and the pin one end stretches into the plastic-sealed body to pass through solder bonding with the lead frame, the pin other end stretches out in the plastic-sealed body, and the plastic-sealed body side has set firmly the fin, and the fin is located plastic-sealed body middle part, and with plastic-sealed body fixed connection. The utility model discloses bridge rectifier has set firmly the fin through side the plastic-sealed body, and on fin one end was fixed in the plastic-sealed body, the other end stretched out in the plastic-sealed body for bridge rectifier's heat dissipation, the radiating effect is good, has reduced manufacturing cost, has improved interior integrated level.
Description
Technical Field
The utility model relates to an electronic component technical field specifically is a bridge rectifier of high heat dissipation index.
Background
The bridge rectifier is an electronic element, the interior of the bridge rectifier is composed of four diodes, and the bridge rectifier has the function of bridge rectification. Most of the existing bridge rectifiers radiate heat through an external radiating fin, the production cost is high, the space of the radiating fin is increased, and the internal integration level is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge rectifier of high heat dissipation index has the heat dissipation of having accelerated bridge rectifier, the radiating effect is good, reduced manufacturing cost, improved the beneficial effect of interior integrated level to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a bridge rectifier with high heat dissipation index comprises a chip and a plastic package body for packaging the chip, wherein the positive end and the negative end of the chip are respectively connected with a connecting sheet, the connecting sheets are packaged in the plastic package body and are welded with the chip through welding fluxes, a lead frame is connected onto the connecting sheets, a pin is arranged at the bottom of the lead frame, one end of the pin extends into the plastic package body and is welded with the lead frame through the welding fluxes, the other end of the pin extends out of the plastic package body, a heat dissipation sheet is fixedly arranged on the side face of the plastic package body, and the heat dissipation sheet is arranged in the middle of the plastic package body and is fixedly connected with the plastic package body.
As a further aspect of the present invention: the material of the radiating fin is aluminum.
As a further aspect of the present invention: the connecting sheet is made of copper.
As a further aspect of the present invention: the solder is soldering tin or soldering lug.
As a further aspect of the present invention: the material of pin is copper, and the quantity of pin is four.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses bridge rectifier has set firmly the fin through side the plastic-sealed body, and on fin one end was fixed in the plastic-sealed body, the other end stretched out in the plastic-sealed body for bridge rectifier's heat dissipation, the radiating effect is good, has reduced manufacturing cost, has improved interior integrated level.
Drawings
Fig. 1 is a schematic structural diagram of the front side of the bridge rectifier of the present invention.
Fig. 2 is a schematic structural diagram of the back of the bridge rectifier of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the bridge rectifier of the present invention.
The labels in the figure are:
1. a chip; 2. molding the body; 3. connecting sheets; 4. welding flux; 5. a lead frame; 6. a pin; 7. and a heat sink.
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 to 3, in an embodiment of the present invention, a bridge rectifier with a high heat dissipation index includes a chip 1, a plastic package body 2 for packaging the chip 1, wherein positive and negative ends of the chip 1 are respectively connected with a connecting sheet 3, further, the connecting sheet 3 is made of copper, the connecting sheet 3 is packaged in the plastic package body 2, the connecting sheet 3 is welded with the chip 1 through a solder 4, and further, the solder 4 is a solder or a soldering terminal; the connecting sheet 3 is connected with a lead frame 5, the bottom of the lead frame 5 is provided with pins 6, one ends of the pins 6 extend into the plastic package body 2 and are welded with the lead frame 5 through welding fluxes 4, the other ends of the pins 6 extend out of the plastic package body 2, furthermore, the pins 6 are made of copper, and the number of the pins 6 is four; the side surface of the plastic package body 2 is fixedly provided with the radiating fin 7, the radiating fin 7 is arranged in the middle of the plastic package body 2 and is fixedly connected with the plastic package body 2, and the radiating fins 7 are arranged on the front surface and the back surface of the plastic package body 2, so that the radiating of the bridge rectifier is accelerated, and the radiating effect of the bridge rectifier is better; further, the heat sink 7 is made of aluminum to enhance the heat dissipation of the bridge rectifier. The utility model discloses bridge rectifier has set firmly fin 7 through 2 sides at the plastic-sealed body, and on 7 one ends of fin were fixed in the plastic-sealed body 2, the other end stretched out in the plastic-sealed body 2 for bridge rectifier's heat dissipation, the radiating effect is good, has reduced manufacturing cost, has improved interior integrated level.
The utility model discloses bridge rectifier has set firmly fin 7 through 2 sides at the plastic-sealed body, and on 7 one ends of fin were fixed in the plastic-sealed body 2, the other end stretched out in the plastic-sealed body 2 for bridge rectifier's heat dissipation, the radiating effect is good, has reduced manufacturing cost, has improved interior integrated level.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The bridge rectifier with the high heat dissipation index is characterized by comprising a chip and a plastic package body, wherein the plastic package body is packaged on the chip, the positive end and the negative end of the chip are respectively connected with a connecting sheet, the connecting sheet is packaged in the plastic package body and welded with the chip through a welding flux, a lead frame is connected onto the connecting sheet, a pin is arranged at the bottom of the lead frame, one end of the pin stretches into the plastic package body and is welded with the lead frame through the welding flux, the other end of the pin stretches out of the plastic package body, a heat radiating fin is fixedly arranged on the side face of the plastic package body, and the heat radiating fin is arranged in the middle of the plastic package body and is fixedly connected with the plastic package body.
2. A high thermal dissipation index bridge rectifier as set forth in claim 1, wherein said heat sink is aluminum.
3. The high thermal dissipation index bridge rectifier of claim 1, wherein said connecting tabs are made of copper.
4. A high heat dissipation index bridge rectifier as set forth in claim 1, wherein said solder is solder or solder pad.
5. The high heat dissipation index bridge rectifier of claim 1, wherein said leads are copper, and said leads are four in number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120970936.2U CN214850990U (en) | 2021-05-08 | 2021-05-08 | Bridge rectifier with high heat dissipation index |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120970936.2U CN214850990U (en) | 2021-05-08 | 2021-05-08 | Bridge rectifier with high heat dissipation index |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214850990U true CN214850990U (en) | 2021-11-23 |
Family
ID=78772715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120970936.2U Active CN214850990U (en) | 2021-05-08 | 2021-05-08 | Bridge rectifier with high heat dissipation index |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214850990U (en) |
-
2021
- 2021-05-08 CN CN202120970936.2U patent/CN214850990U/en active Active
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