Middle patch type rectifier bridge

Abstract

The utility model discloses a middle patch type rectifier bridge which comprises a rectifier bridge body, the rectifier bridge body comprises a shell and lead pins, a heat dissipation through groove is formed in an inner cavity of the shell, a heat conduction rod is fixedly connected to the inner cavity of the shell, and first heat dissipation fins are fixedly connected to the two sides of the shell. Through the arrangement of the heat dissipation through grooves, the heat conduction rods, the first heat dissipation fins, the heat conduction blocks and the second heat dissipation fins, the heat conduction rods can conduct heat generated during operation of the rectifier bridge body to the first heat dissipation fins and the heat conduction blocks, and the heat conduction blocks conduct the heat to the second heat dissipation fins. Heat is rapidly dissipated outwards through the large surface area and the heat dissipation characteristic of the first cooling fins and the second cooling fins, the heat dissipation effect of the rectifier bridge body is improved, a heat conduction block and the second cooling fins can be stably installed through a limiting groove and a limiting insertion block and through the limiting effect of the limiting groove and the limiting insertion block, and the heat dissipation effect of the rectifier bridge body is improved through glue. And the second radiating fins can be fixed on the outer surface of the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifier bridge technical field, concretely relates to a middle patch type rectifier bridge. BACKGROUND

[0002] Rectifier bridge is a common electronic component, is used for converting DC voltage into AC voltage or converting AC voltage into DC voltage, and is widely used in household appliances, motor drive, power supply and the like fields, and the main role of rectifier bridge in switching power supply is to rectify and filter AC into DC, and rectifier bridge is one of indispensable electronic components of various switching power supplies, and the performance thereof is directly related to the technical index of switching power supply and whether the switching power supply can work safely and reliably, the rectifier bridge in the circuit has many internal chips, has large current and large surface heat dissipation area, so is one of main heat sources in the circuit, but the existing rectifier bridge generally only dissipates heat through the shell, has the problem of poor heat dissipation effect, so that the generated heat cannot be dissipated outward in time, and the service life of the rectifier bridge is affected, and therefore the middle patch type rectifier bridge is provided to solve the above problems. SUMMARY

[0003] In view of the defects of the prior art, the utility model aims at providing a middle patch type rectifier bridge, which has the advantages of efficient heat dissipation.

[0004] To achieve the above object, the utility model provides the following technical scheme, a kind of middle patch type rectifier bridge adopts the technical scheme: including rectifier bridge body, the rectifier bridge body includes shell and wire pin, the inner chamber of the shell is provided with heat dissipation channel, the inner chamber of the shell is fixedly connected with heat conduction rod, the two sides of the shell are fixedly connected with first fin, the inner chamber of the heat dissipation channel is inserted with heat conduction block, the top of the heat conduction block is fixedly connected with second fin.

[0005] As a preferred scheme, the number of heat conduction rods is six, and four heat conduction rods are designed horizontally, and two heat conduction rods are designed longitudinally.

[0006] As a preferred scheme, the shape of the heat dissipation channel and the heat conduction block is all rounded rectangle, and the second fin is located at the top of the shell.

[0007] As a preferred scheme, one side of the heat conduction rod is fixedly connected with the first fin, and the other side of the heat conduction rod extends to the inner chamber of the heat dissipation channel.

[0008] As a preferred scheme, the two sides of the inner chamber of the heat dissipation channel are provided with limiting grooves, the two sides of the heat conduction block are fixedly connected with limiting inserts, and the limiting inserts are matched with the limiting grooves.

[0009] As a preferred scheme, the material of the heat-conducting rod, the first heat-dissipating sheet, the heat-conducting block and the second heat-dissipating sheet is copper, and the second heat-dissipating sheet is adhered to the surface of the shell by the glue.

[0010] Compared with the prior art, the utility model provides a middle patch formula rectifier bridge has the following beneficial effects.

[0011] Through the heat-dissipating groove, the heat-conducting rod, the first heat-dissipating sheet, the heat-conducting block and the second heat-dissipating sheet, the heat-conducting rod can conduct the heat generated when the rectifier bridge body operates to the first heat-dissipating sheet and the heat-conducting block, the heat-conducting block conducts the heat to the second heat-dissipating sheet, and the heat is quickly radiated outward through the large surface area and the heat-dissipating characteristics of the first heat-dissipating sheet and the second heat-dissipating sheet, improving the heat-dissipating effect of the rectifier bridge body.

[0012] Through the limiting recess and the limiting plug, the heat-conducting block and the second heat-dissipating sheet can be stably installed through the limiting effect of the limiting recess and the limiting plug, and the second heat-dissipating sheet can be fixed to the outer surface of the shell through the glue. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a top view sectional schematic view of the shell of the utility model;

[0015] Figure 3 It is the utility model Figure 1 The enlarged view of the middle A.

[0016] In the drawing: 1, rectifier bridge body;2, shell;3, lead pin;4, heat-dissipating groove;5, heat-conducting rod;6, first heat-dissipating sheet;7, heat-conducting block;8, second heat-dissipating sheet;9, limiting recess;10, limiting plug. DETAILED DESCRIPTION

[0017] The multiple embodiments of the utility model will be disclosed in the following drawings, and many practical details will be described in the following description for the purpose of clear illustration. However, it should be understood that these practical details should not be used to limit the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner. EMBODIMENT

[0018] Please refer to Figures 1-3The embodiment discloses a rectifier bridge body, and has the technical scheme that the rectifier bridge body comprises a shell 2 and a wire pin 3, a heat dissipation through groove 4 is arranged in the inner cavity of the shell 2, the inner cavity of the shell 2 is fixedly connected with heat conduction rods 5, the two sides of the shell 2 are fixedly connected with first heat dissipation fins 6, the inner cavity of the heat dissipation through groove 4 is inserted with a heat conduction block 7, the top of the heat conduction block 7 is fixedly connected with second heat dissipation fins 8, the number of the heat conduction rods 5 is six, four of the heat conduction rods 5 are horizontally arranged, and the other two heat conduction rods 5 are vertically arranged, the heat dissipation through groove 4 and the heat conduction block 7 are both in the shape of a rounded rectangle, the second heat dissipation fins 8 are located at the top of the shell 2, one side of the heat conduction rod 5 is fixedly connected with the first heat dissipation fin 6, and the other side of the heat conduction rod 5 extends into the inner cavity of the heat dissipation through groove 4, the heat generated during the operation of the rectifier bridge body can be conducted to the first heat dissipation fin 6 and the heat conduction block 7 through the heat dissipation through groove 4, the heat conduction rod 5, the first heat dissipation fin 6, the heat conduction block 7 and the second heat dissipation fin 8, the heat conduction block 7 conducts the heat to the second heat dissipation fin 8, the heat is quickly dissipated outward through the large surface area and the heat dissipation characteristics of the first heat dissipation fin 6 and the second heat dissipation fin 8, and the heat dissipation effect of the rectifier bridge body is improved. Embodiment

[0019] Please refer to Figures 1-3 The embodiment discloses a rectifier bridge body, and has the technical scheme that the rectifier bridge body comprises a shell 2 and a wire pin 3, a heat dissipation through groove 4 is arranged in the inner cavity of the shell 2, the inner cavity of the shell 2 is fixedly connected with heat conduction rods 5, the two sides of the shell 2 are fixedly connected with first heat dissipation fins 6, the inner cavity of the heat dissipation through groove 4 is inserted with a heat conduction block 7, the top of the heat conduction block 7 is fixedly connected with second heat dissipation fins 8, the number of the heat conduction rods 5 is six, four of the heat conduction rods 5 are horizontally arranged, and the other two heat conduction rods 5 are vertically arranged, the heat dissipation through groove 4 and the heat conduction block 7 are both in the shape of a rounded rectangle, the second heat dissipation fins 8 are located at the top of the shell 2, one side of the heat conduction rod 5 is fixedly connected with the first heat dissipation fin 6, and the other side of the heat conduction rod 5 extends into the inner cavity of the heat dissipation through groove 4, the heat generated during the operation of the rectifier bridge body can be conducted to the first heat dissipation fin 6 and the heat conduction block 7 through the heat dissipation through groove 4, the heat conduction rod 5, the first heat dissipation fin 6, the heat conduction block 7 and the second heat dissipation fin 8, the heat conduction block 7 conducts the heat to the second heat dissipation fin 8, the heat conduction block 7 conducts the heat to the second heat dissipation fin 8, the heat is quickly dissipated outward through the large surface area and the heat dissipation characteristics of the first heat dissipation fin 6 and the second heat dissipation fin 8, and the heat dissipation effect of the rectifier bridge body is improved.

[0020] The working principle of the utility model is: smearing glue on the back of the second heat dissipation fin 8, aligning the limiting insert block 10 on the two sides of the heat conduction block 7 with the limiting recess 9, then pushing the heat conduction block 7 from top to bottom, pushing the heat conduction block 7 into the inner cavity of the heat dissipation through groove 4, making the glue on the back of the second heat dissipation fin 8 contact with the shell 2, when the glue is dry, the rectifier bridge body 1 can be installed in the specified position, the heat generated during the use of the rectifier bridge body 1 is conducted to the first heat dissipation fin 6 and the heat conduction block 7 through the heat conduction rod 5, the heat conduction block 7 conducts the heat to the second heat dissipation fin 8, because the material of the heat conduction rod 5, the first heat dissipation fin 6, the heat conduction block 7 and the second heat dissipation fin 8 is copper, therefore the heat is quickly dissipated outward through the large surface area and the heat dissipation characteristics of the first heat dissipation fin 6 and the second heat dissipation fin 8.

[0021] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. A center-taped rectifier bridge comprising a rectifier bridge body (1), characterized in that: The rectifier bridge body (1) includes a shell (2) and a wire pin (3), the inner cavity of the shell (2) is provided with a heat dissipation channel (4), the inner cavity of the shell (2) is fixedly connected with a heat conduction rod (5), the two sides of the shell (2) are fixedly connected with a first heat dissipation fin (6), the inner cavity of the heat dissipation channel (4) is inserted with a heat conduction block (7), and the top of the heat conduction block (7) is fixedly connected with a second heat dissipation fin (8).

2. The center-taped rectifier bridge of claim 1, wherein: The number of the heat conduction rods (5) is six, four of which are designed in a transverse direction, and the other two are designed in a longitudinal direction.

3. The center-taped rectifier bridge of claim 1, wherein: The shapes of the heat dissipation channel (4) and the heat conduction block (7) are both rounded rectangles, and the second heat dissipation fin (8) is located at the top of the shell (2).

4. The center-taped rectifier bridge of claim 1, wherein: One side of the heat conduction rod (5) is fixedly connected with the first heat dissipation fin (6), and the other side of the heat conduction rod (5) extends into the inner cavity of the heat dissipation channel (4).

5. The center-taped rectifier bridge of claim 1, wherein: The two sides of the inner cavity of the heat dissipation channel (4) are both provided with a limiting groove (9), the two sides of the heat conduction block (7) are both fixedly connected with a limiting plug (10), and the limiting plug (10) is matched with the limiting groove (9).

6. The center-taped rectifier bridge of claim 1, wherein: The materials of the heat conduction rod (5), the first heat dissipation fin (6), the heat conduction block (7) and the second heat dissipation fin (8) are all copper, and the second heat dissipation fin (8) is adhered to the surface of the shell (2) by glue.

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