Plastic package type heat dissipation insulation rectifier bridge

Abstract

The utility model discloses a plastic package type heat dissipation insulation rectifier bridge, which comprises a main body base, the top of the main body base is fixedly connected with an installation shell, an inner cavity of the installation shell is movably connected with an insulation shell, one side of the installation shell is connected with an installation screw in a penetrating manner, and one end of the installation screw is in threaded connection with threaded holes in two sides of the insulation shell. Through the heat dissipation openings, the silica gel insulating layer, the heat dissipation fins and the heat dissipation copper plate, heat in a space formed by the main body base and the insulating shell is led out through the heat dissipation fins, the heat is rapidly dissipated in a large area through the heat dissipation copper plate, and the heat dissipation effect is further improved through the graphite heat dissipation layers bonded on the heat dissipation copper plate and the heat dissipation fins; the service life of the rectifier bridge can be prolonged due to the efficient heat dissipation capacity, the insulating shell can prevent current leakage and ensure safe operation of a circuit, components at the top of the main body base are also protected to a certain extent and are prevented from being interfered by external factors, and the use safety of the rectifier bridge is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifier bridge technical field, concretely is a plastic package type heat dissipation insulation rectifier bridge. BACKGROUND

[0002] Rectifier bridge is an electronic component, is mainly used for converting alternating current into direct current, it usually realizes this function by bridge circuit of four diodes, is divided into full bridge and half bridge two types;

[0003] Such as Chinese utility model provides "a car rectifier bridge with insulated shell" patent number: 202220050594.7, the patent includes rectifier bridge main part, still includes connecting structure and fixed key, the both sides of rectifier bridge main part top are installed with pin, and the top of pin is provided with insulated shell, realizes the insulation protection of car rectifier bridge, prevents the electric spark of junction and makes other parts be affected;

[0004] The above file although solved the problem that traditional car rectifier bridge is not insulated in the process of using, and the connection of lead is easy to produce electric spark, but still has the shortcoming that the heat dissipation performance is poor, the heat is generated in the use of rectifier bridge, and the service life of rectifier bridge is affected if the heat can not be dissipated in time, therefore, here launches a plastic package type heat dissipation insulation rectifier bridge. UTILITY MODEL CONTENTS

[0005] The utility model discloses a plastic package type heat dissipation insulation rectifier bridge, has the advantages of good heat dissipation effect.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a plastic package type heat dissipation insulation rectifier bridge, including main body base, the top of main body base is fixedly connected with installation shell, the inner chamber of installation shell is movably connected with insulated shell, one side of installation shell is connected with installation screw, and one end of installation screw is screw threaded with the threaded hole of both sides of insulated shell, the four corners of main body base top are all fixedly connected with rectifier, the inner chamber of rectifier is provided with rectifier silicon chip, the bottom of rectifier is provided with pin, the surface of main body base is provided with heat dissipation opening, the top of heat dissipation opening inner chamber is fixedly connected with silica gel insulation layer, the bottom of silica gel insulation layer is fixedly connected with heat dissipation fin, and the bottom of heat dissipation fin is fixedly connected with heat dissipation copper plate.

[0007] As a preferred scheme, the both sides of insulated shell are provided with heat dissipation hole, and the inner chamber of heat dissipation hole is fixedly connected with dust screen.

[0008] As a preferred scheme, the both sides of main body base are fixedly connected with mounting plate, and the surface of mounting plate is provided with mounting hole.

[0009] As a preferred scheme, the bottom of the heat dissipation opening cavity is provided with a protection plate, and the four corners of the bottom of the protection plate are provided with fixing screws, the top of the fixing screws is in threaded connection with the threaded holes in the bottom of the main body base.

[0010] As a preferred scheme, the two sides of the mounting shell are provided with clamping grooves, and clamping blocks are movably connected in the inner cavities of the clamping grooves, and the side, away from the clamping grooves, of the clamping blocks is fixedly connected with the inner wall of the insulating shell.

[0011] As a preferred scheme, the material of the heat dissipation fins is metal copper material, and the heat dissipation fins are in honeycomb shape.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a rectifier bridge, which comprises a main body base, a mounting shell, an insulating shell, a mounting screw, a rectifier, a rectifier silicon chip, a pin, a heat dissipation opening, a silica gel insulating layer, a heat dissipation fin and a heat dissipation copper plate.

[0014] The utility model discloses a rectifier bridge, which comprises a main body base, a mounting shell, an insulating shell, a mounting screw, a rectifier, a rectifier silicon chip, a pin, a heat dissipation opening, a silica gel insulating layer, a heat dissipation fin and a heat dissipation copper plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the utility model structure perspective drawing;

[0016] Figure 2 It is the utility model structure sectional view schematic drawing;

[0017] Figure 3 It is the utility model Figure 2 Partial enlarged schematic drawing of A place in the utility model;

[0018] Figure 4 It is the utility model Figure 2 Partial enlarged schematic drawing of B place in the utility model.

[0019] In the drawing: 1, main body base;2, mounting shell;3, insulating shell;4, mounting screw;5, rectifier;6, rectifier silicon chip;7, pin;8, heat dissipation opening;9, silica gel insulating layer;10, heat dissipation fin;11, heat dissipation copper plate;12, mounting plate;13, protection plate. DETAILED DESCRIPTION

[0020] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Secondly, the "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor does it mean an embodiment that is separate or alternative to other embodiments. Embodiment

[0022] Please refer to Figures 1-4 As shown in the figure, the utility model provides a plastic package type heat dissipation insulation rectifier bridge, including main body base 1, the top fixedly connected with installation shell 2 of main body base 1, the inner chamber of installation shell 2 movably connects with insulating shell 3, one side of installation shell 2 is connected with installation screw 4, one end of installation screw 4 is connected with the threaded hole of both sides of insulating shell 3, the four corners of main body base 1 top are all fixedly connected with rectifier 5, the inner chamber of rectifier 5 is provided with rectifier silicon chip 6, the bottom of rectifier 5 is provided with pin 7, the surface of main body base 1 is provided with heat dissipation port 8, the top of heat dissipation port 8 inner chamber is fixedly connected with silica gel insulating layer 9, the bottom of silica gel insulating layer 9 is fixedly connected with heat dissipation fin 10, the bottom of heat dissipation fin 10 is fixedly connected with heat dissipation copper plate 11, heat dissipation fin 10 exports the heat in the space formed by main body base 1 and insulating shell 3, and the heat is rapidly dissipated in a large area by heat dissipation copper plate 11, the graphite heat dissipation layer bonded on heat dissipation copper plate 11 and heat dissipation fin 10, further improve the heat dissipation effect.

[0023] The application of heat dissipation port 8, silica gel insulating layer 9, heat dissipation fin 10 and heat dissipation copper plate 11 is arranged, the high-efficiency heat dissipation structure is arranged at the bottom of the rectifier bridge, the high temperature inside the rectifier bridge is dissipated in time and quickly, and the service life of the rectifier bridge is improved. Embodiment

[0024] On the basis of embodiment one, the utility model discloses as Figures 1-3 As shown in the figure, the utility model provides a plastic package type heat dissipation insulation rectifier bridge, including main body base 1, the top fixedly connected with installation shell 2 of main body base 1, the inner chamber of installation shell 2 movably connects with insulating shell 3, one side of installation shell 2 is connected with installation screw 4, one end of installation screw 4 is connected with the threaded hole of both sides of insulating shell 3, the four corners of main body base 1 top are all fixedly connected with rectifier 5, the inner chamber of rectifier 5 is provided with rectifier silicon chip 6, the bottom of rectifier 5 is provided with pin 7, the surface of main body base 1 is provided with heat dissipation port 8, the top of heat dissipation port 8 inner chamber is fixedly connected with silica gel insulating layer 9, the bottom of silica gel insulating layer 9 is fixedly connected with heat dissipation fin 10, the bottom of heat dissipation fin 10 is fixedly connected with heat dissipation copper plate 11, heat dissipation fin 10 exports the heat in the space formed by main body base 1 and insulating shell 3, and the heat is rapidly dissipated in a large area by heat dissipation copper plate 11, the graphite heat dissipation layer bonded on heat dissipation copper plate 11 and heat dissipation fin 10, further improve the heat dissipation effect.

[0025] The technical scheme is adopted, mainly to realize the purpose of improving the heat dissipation effect, fixing the rectifier bridge and the dustproof bottom of the main base 1, the heat dissipation holes opened on the two sides of the insulating shell 3 can also assist heat dissipation, improve the heat dissipation effect, the fastening screw is penetrated through the mounting hole on the surface of the mounting plate 12, and is screwed into the mounting surface, so that the rectifier bridge can be fixed at the specified position and is not easy to loosen, and the surface of the protection plate 13 is provided with dense mesh holes, which can prevent external dust from entering the inner cavity of the insulating shell 3 through the heat dissipation hole 8 to a certain extent. Embodiment

[0026] On the basis of the embodiment two, the utility model discloses as shown in Figures 1-3 The two sides of the mounting shell 2 are provided with clamping grooves, the inner cavities of the clamping grooves are movably connected with clamping blocks, one side of the clamping block away from the clamping groove is fixedly connected with the inner wall of the insulating shell 3, the material of the heat dissipation fin 10 is metal copper material, and the heat dissipation fin 10 is honeycomb-shaped.

[0027] The technical scheme is adopted, mainly to realize the purpose of improving the heat dissipation effect, fixing the rectifier bridge and the dustproof bottom of the main base 1, the heat dissipation holes opened on the two sides of the insulating shell 3 can also assist heat dissipation, improve the heat dissipation effect, the fastening screw is penetrated through the mounting hole on the surface of the mounting plate 12, and is screwed into the mounting surface, so that the rectifier bridge can be fixed at the specified position and is not easy to loosen, and the surface of the protection plate 13 is provided with dense mesh holes, which can prevent external dust from entering the inner cavity of the insulating shell 3 through the heat dissipation hole 8 to a certain extent.

[0028] The working principle of the utility model is that the four pins 7 of the rectifier bridge are fixed in the mounting holes of the corresponding circuit board, after the rectifier bridge is powered on, the temperature in the insulating shell 3 will rise, the heat dissipation fin 10 will guide the heat in the space composed of the main base 1 and the insulating shell 3 out, and the heat will be quickly dissipated in a large area through the heat dissipation copper plate 11, the graphite heat dissipation layer bonded on the heat dissipation copper plate 11 and the heat dissipation fin 10 further improves the heat dissipation effect, and the high-efficiency heat dissipation capacity can improve the service life of the rectifier bridge.

[0029] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0030] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0031] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A plastic package type heat-dissipating insulating rectifier bridge comprising a main body base (1), characterized in that: The top of the main base (1) is fixedly connected with a mounting shell (2), the inner cavity of the mounting shell (2) is movably connected with an insulating shell (3), one side of the mounting shell (2) penetrates through a mounting screw (4), one end of the mounting screw (4) is threadedly connected with the threaded holes on the two sides of the insulating shell (3), the four corners of the top of the main base (1) are fixedly connected with rectifiers (5), the inner cavity of the rectifier (5) is provided with a rectifier silicon chip (6), the bottom of the rectifier (5) is provided with a pin (7), the surface of the main base (1) is provided with a heat dissipation opening (8), the top of the inner cavity of the heat dissipation opening (8) is fixedly connected with a silica gel insulation layer (9), the bottom of the silica gel insulation layer (9) is fixedly connected with a heat dissipation fin (10), the bottom of the heat dissipation fin (10) is fixedly connected with a heat dissipation copper plate (11).

2. The plastic encapsulated insulating rectifier bridge according to claim 1, wherein: The two sides of the insulating shell (3) are provided with heat dissipation holes, and the inner cavities of the heat dissipation holes are fixedly connected with dustproof nets.

3. The plastic-encapsulated heat-dissipating insulating rectifier bridge according to claim 1, characterized in that: The two sides of the main base (1) are fixedly connected with mounting plates (12), and the surface of the mounting plate (12) is provided with a mounting hole.

4. The plastic encapsulated insulating rectifier bridge according to claim 1, wherein: The bottom of the inner cavity of the heat dissipation opening (8) is provided with a protection plate (13), the four corners of the bottom of the protection plate (13) are provided with fixing screws, and the top of the fixing screw is threadedly connected with the threaded hole in the bottom of the main base (1).

5. The plastic encapsulated insulating rectifier bridge according to claim 1, wherein: the plastic encapsulated insulating rectifier bridge is a plastic encapsulated insulating rectifier bridge of the type 2AC. The two sides of the mounting shell (2) are provided with clamping grooves, the inner cavities of the clamping grooves are movably connected with clamping blocks, and the inner wall of the insulating shell (3) is fixedly connected with the side, away from the clamping groove, of the clamping block.

6. The plastic encapsulated insulating rectifier bridge according to claim 1, wherein: The material of the heat dissipation fin (10) is metal copper material, and the heat dissipation fin (10) is in a honeycomb shape.

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