CN219980485U

CN219980485U - Charger (charger)

Info

Publication number: CN219980485U
Application number: CN202321478933.2U
Authority: CN
Inventors: 文杰; 陈池根; 李鹏; 钱玄涛; 谢永斌
Original assignee: Ningbo Gongniu Digital Technology Co Ltd
Current assignee: Ningbo Gongniu Digital Technology Co Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-11-07
Anticipated expiration: 2033-06-09

Abstract

The utility model provides a charger, which comprises a shell, a heat dissipation installation part, a main control board and a heat insulation support, wherein the heat dissipation installation part is installed in the shell, one part of the main control board is installed in the heat dissipation installation part, and the heat insulation support is arranged between the other part of the main control board and the inner wall surface of the shell. The charger provided by the utility model can solve the problems that the charger in the prior art has a complex heat conduction structure and can cause the overhigh temperature of the shell.

Description

Charger (charger)

Technical Field

The utility model relates to the technical field related to charging equipment, in particular to a charger.

Background

The charger is widely applied in the life work as the power output device that commonly uses, and main heat dissipation part MOS and the transformer that exists in the inside of high-power charger concentrate on the main control board, consequently lead to in the in-process of using, the temperature of main control board is too high, and then leads to influencing the result of use of main control board.

For the radiating efficiency of the inside main control board that improves structures such as charger, current structure is for using the pouring sealant that coefficient of heat conductivity is higher, makes pouring sealant and the external direct contact of plastic, leads to the shell with heat as much as possible on, and this kind of mode leads to the temperature of shell too high to when direct encapsulating is operated, because the inside part region of main control board and casing need with the colloid interval, consequently need extra preparation encapsulating tool when the operation, lead to whole operation complicacy, increase cost input.

As can be seen from the above, the conventional charger has a complicated heat conduction structure and can cause a problem of excessively high temperature of the housing.

Disclosure of Invention

The utility model mainly aims to provide a charger to solve the problems that the charger in the prior art is complex in heat conduction structure and can cause the over-high temperature of a shell.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a charger including a housing, a heat radiation mounting portion mounted inside the housing; the main control board, a part of which is arranged in the heat dissipation installation part; the heat insulation support is arranged between the other part of the main control board and the inner wall surface of the shell.

Further, along the height direction of the main control board, the heat insulation support is located above the heat dissipation installation part.

Further, the heat insulation support is of an annular structure, an annular heat insulation gap is formed between the outer peripheral surface of the heat insulation support and the inner peripheral surface of the shell, and the width of the heat insulation gap is not more than 2mm.

Further, the length of the heat insulation support is H, and H is more than or equal to 40mm and less than or equal to 45mm; and/or the width of the heat insulation support is L, wherein L is more than or equal to 30mm and less than or equal to 36mm; and/or the height of the heat insulation support is S, S is more than or equal to 10mm and less than or equal to 20mm; and/or the corners of the heat insulation support are chamfered.

Further, the main control board is at least provided with an MOS element and a transformer, and the MOS element and the transformer are positioned in the inner area of the heat insulation bracket.

Further, the heat insulation support is sleeved on the main control board; and/or the heat insulation support is connected with the heat dissipation installation part; and/or the heat insulation support is connected with the shell.

Further, the bottom surface of the heat insulating support is abutted with the top surface of the heat radiation installation part.

Further, the heat insulation bracket is made of aerogel; and/or the heat dissipation installation part is made of PC plastic parts.

Further, the charger also comprises a filling body, the main control board is coated with the filling body, and the filling body is accommodated in the heat dissipation installation part and the heat insulation support.

Further, the heat dissipation installation part is of a groove structure, one part of the filling body is accommodated in the groove structure, the other part of the filling body extends out of the groove structure, and the heat insulation support is sleeved on the outer peripheral surface of the other part of the filling body.

Further, the housing includes a shell; the surface cover is arranged on the shell, the surface cover and the shell form a mounting cavity, the main control board is arranged in the mounting cavity, the end part of the main control board, facing the surface cover, is provided with a plug, and the surface cover is provided with a top socket which is arranged in alignment with the plug.

Further, form the electrical apparatus chamber between the bottom surface of heat dissipation installation department and casing, the charger still includes electrically conductive piece and installs at the inside electrode copper sheet of electrical apparatus chamber, and electrically conductive piece's one end is connected with the main control board electricity, and electrically conductive piece's the other end stretches into the inside in electrical apparatus chamber and is connected with the electrode copper sheet electricity, has the lateral part socket that counterpoints the setting with the electrode copper sheet on the shell.

By applying the technical scheme of the utility model, the charger comprises a shell, a heat dissipation installation part, a main control board and a heat insulation support, wherein the heat dissipation installation part is installed in the shell, one part of the main control board is installed in the heat dissipation installation part, and the heat insulation support is arranged between the other part of the main control board and the inner wall surface of the shell.

Therefore, the charger provided by the utility model adopts the heat insulation support to realize that the heat of the main control board is isolated from the shell, so that the heat of the main control board is not directly transferred to the shell, and the heat insulation technical effect is effectively realized. And meanwhile, the main control board is installed by the heat dissipation installation part, so that the heat of the main control board can be uniformly conducted, the heat of the main control board is effectively isolated, the direct transfer to the shell is avoided, the uniform heat conduction is carried out through the filling body in the heat dissipation installation part, and the heat dissipation efficiency is improved. The glue filling body is accommodated in the heat radiation installation part and the heat insulation support, and the conductive structure can be installed outside the heat radiation installation part, so that extra glue filling jigs are not required to be manufactured, the operation is simplified, and the cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows an exploded view of a charger of the present utility model;

fig. 2 shows a schematic perspective view of the charger of the present utility model;

fig. 3 shows a side view of the charger of the present utility model;

FIG. 4 shows a cross-sectional view taken along line A-A in FIG. 3;

FIG. 5 shows an enlarged view at B in FIG. 4;

FIG. 6 shows a schematic view of the internal structure of the housing of the present utility model;

FIG. 7 shows a schematic diagram of the mounting structure of the molding compound and the main control board of the present utility model;

FIG. 8 is a schematic perspective view showing the structure of the heat insulating bracket of the present utility model;

fig. 9 is a schematic perspective view showing a heat dissipation mounting portion of the present utility model.

Wherein the above figures include the following reference numerals:

10. a housing; 101. a mounting cavity; 102. an electrical cavity; 110. a housing; 111. a side socket; 120. a face cover; 121. a top socket; 20. filling colloid; 30. a heat insulation support; 40. a heat radiation mounting part; 50. an electrode copper sheet; 60. a positioning frame; 70. a main control board; 80. a power line; 90. and a protective door structure.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

The utility model provides a charger, which aims to solve the problems that a charger in the prior art is complex in heat conduction structure and can cause the overhigh temperature of a shell. In the present embodiment, the charger has main heat dissipation components such as a transformer and a MOS.

As shown in fig. 1 to 9, the charger includes a housing 10, a heat radiation mounting portion 40, a main control board 70, and a heat insulation bracket 30, the heat radiation mounting portion 40 is mounted inside the housing 10, a part of the main control board 70 is mounted inside the heat radiation mounting portion 40, and the heat insulation bracket 30 is disposed between another part of the main control board 70 and an inner wall surface of the housing 10.

Specifically, the charger of the utility model adopts the heat insulation support 30 to realize that the heat of the main control board 70 is isolated from the shell 10, so that the heat of the main control board 70 is not directly transferred to the shell 10, and the technical effect of heat insulation is effectively realized. Meanwhile, the heat dissipation installation part 40 is used for installing the main control board 70, so that the heat of the main control board 70 can be uniformly conducted, the heat of the main control board 70 is effectively isolated, the heat is prevented from being directly transferred to the shell 10, the uniform heat conduction is conducted through the glue filling body 20 in the heat dissipation installation part 40, and the heat dissipation efficiency is improved. The glue filling body 20 is accommodated in the heat radiation installation part 40 and the heat insulation support 30, and the conductive structure which is required to be isolated from the glue filling body 20 can be installed outside the heat radiation installation part 40, so that extra glue filling jig is not required to be manufactured, the operation is simplified, and the cost is reduced.

Further, the heat dissipation installation part 40 is provided with a heat dissipation installation cavity 101 for installing and fixing the main control board 70, and the heat insulation support 30 is sleeved on the main control board 70. The heat insulation support 30 is arranged to insulate the main control board 70 in the inner area of the heat insulation support 30, so that heat generated by the main control board 70 is conducted to the direction of the heat dissipation installation cavity 101.

In this embodiment, along the height direction of the main control board 70, the heat insulation support 30 is located above the heat dissipation installation portion 40, the main control board 70 is provided with a transformer and a MOS element for generating heat, and the MOS element and the transformer are located in the inner area of the heat insulation support 30, so as to isolate the heat generated by the transformer and the MOS element, and avoid the heat from being directly conducted to the housing 10, which results in overhigh temperature of the housing 10.

In the charger of the present utility model, the main heat generating elements are a transformer and a MOS element, and therefore, the heat insulating bracket 30 is sleeved outside the position of the transformer and the MOS element on the main control board 70. The heat insulation support 30 is made of aerogel materials with low heat conductivity coefficient, so that the heat insulation technical effect is effectively achieved.

As shown in fig. 1 to 9, the heat insulating support 30 has an annular structure, and an annular heat insulating gap is formed between the outer peripheral surface of the heat insulating support 30 and the inner peripheral surface of the housing 10, and the width Z of the heat insulating gap is not more than 2mm.

Specifically, by forming a heat-insulating gap between the heat-insulating support 30 and the housing 10, the heat-insulating support 30 does not adhere to the housing 10 to further enhance the heat-insulating effect in this area.

Further, the width Z of the insulation gap may be specifically 1mm.

Further, the heat insulating support 30 of the ring structure has a length H, a width L, and a height S. Wherein the length H is more than or equal to 40mm and less than or equal to 45mm, the width L is more than or equal to 30mm and less than or equal to 36mm, and the height S is more than or equal to 10mm and less than or equal to 20mm.

Specifically, H is 43mm, l is 34mm, and height S is 15mm, although the length, width, and height dimensions of the insulating support 30 may be adaptively set as desired.

Further, the corners of the insulating holders 30 are chamfered to facilitate the fitting.

It should be noted that, compared with the structure without the heat insulation support 30 in the prior art, the heat insulation support 30 provided by the utility model reduces the installation gap between the potting body 20 and the housing 10 by providing the heat insulation support 30 between the potting body 20 and the housing 10, thereby improving the installation stability.

In the present embodiment, various embodiments are provided according to the mounting structure of the heat insulating bracket 30.

In a specific embodiment, the heat insulation support 30 is sleeved on the main control board 70 to be connected with the main control board 70.

Specifically, the heat insulation support 30 is fixedly arranged on the main control board 70 in a sleeving manner.

In another specific embodiment, the heat insulating bracket 30 is connected to the heat radiation mounting portion 40, and the heat insulating bracket is fixed by the heat radiation mounting portion 40.

In another specific embodiment, the thermally insulating support 30 is connected to the housing 10 to effect connection of the thermally insulating support 30 to the housing 10 by fasteners such as bolts.

Further, along the height direction of the main control board 70, the heat insulation support 30 is located above the heat dissipation installation portion 40, and the bottom surface of the heat insulation support 30 abuts against the top surface of the heat dissipation installation portion 40. So as to realize the continuous sleeving of the heat insulation support 30 and the heat radiation installation part 40 on the periphery of the main control board 70, thereby realizing the heat insulation and heat conduction effects.

In this embodiment, the heat dissipation mounting portion 40 is made of a PC plastic, and the heat conductivity of the heat dissipation mounting portion 40 is greater than that of the heat insulation bracket 30, so the heat insulation bracket 30 has a better heat insulation effect, and the heat dissipation mounting portion 40 is used for better uniform heat dissipation.

As shown in fig. 1 to 9, to ensure the uniformity of heat dissipation, the charger further includes a molding body 20, the main control board 70 is coated with the molding body 20, and the molding body 20 is accommodated in the heat dissipation installation portion 40 and the heat insulation support 30.

Specifically, the technical means of coating the main control board 70 with the potting compound 20 is adopted to realize uniform distribution of heat through the potting compound 20. Because the main heating elements are the MOS element and the transformer, in order to avoid the overhigh temperature of the potting body 20 in the region, heat is directly conducted to the shell 10, and therefore the heat insulation support 30 is sleeved on the periphery of the potting body 20 in the region, the heat insulation effect is realized, and further, the generated heat of the MOS element and the transformer is uniformly conducted into the whole potting body 20 through the potting body 20.

Further, the heat dissipation mounting portion 40 is a groove structure, a part of the molding compound 20 is accommodated in the groove structure, another part of the molding compound 20 extends out of the groove structure, and the heat insulation support 30 is sleeved on the outer peripheral surface of the other part of the molding compound 20. The heat dissipation installation part 40 has a groove structure for placing the potting body 20, and the heat insulation support 30 is sleeved on the periphery of the potting body 20 extending from the notch.

In the present embodiment, the heat dissipation mounting portion 40 with a groove structure is used to facilitate molding of the molding compound 20. An electrical cavity 102 is formed between the bottom of the groove structure and the bottom surface of the shell 10 for placing the conductive structure, and the groove structure is adopted for isolation, so that the problem that an independent jig is needed is avoided, the glue filling process is simplified, and the use cost is reduced.

As shown in fig. 1 to 9, the housing 10 includes a casing 110 and a cover 120, the cover 120 is disposed on the casing 110, the cover 120 and the casing 110 form a mounting cavity 101, the main control board 70 is mounted in the mounting cavity 101, a plug is disposed at an end of the main control board 70 facing the cover 120, and a top socket 121 disposed in alignment with the plug is disposed on the cover 120.

Specifically, the top of the main control board 70 is provided with a usb plug, and the top socket 121 is arranged opposite to the plug so as to perform the exposed plug.

Further, the number of top sockets 121 is set corresponding to the number of plugs.

Further, an electrical cavity 102 is formed between the heat dissipation installation portion 40 and the bottom surface of the housing 10, the charger further comprises a conductive piece and an electrode copper sheet 50 installed inside the electrical cavity 102, one end of the conductive piece is electrically connected with the main control board 70, the other end of the conductive piece extends into the electrical cavity 102 and is electrically connected with the electrode copper sheet 50, and the shell 110 is provided with a side socket 111 which is arranged in alignment with the electrode copper sheet 50.

The electrode copper sheets 50 include an E-pole copper sheet, an L-pole copper sheet, and an N-pole copper sheet to form a socket structure on the case 110, and the side socket 111 is used for inserting a power plug.

Further, the charger of the present utility model further includes a positioning frame 60 and a protection door structure 90, wherein the positioning frame 60 and the protection door structure 90 are both installed inside the electrical cavity 102, the positioning frame 60 is used for positioning the electrode copper sheet 50, and the protection door structure 90 is aligned with the side socket 111, so as to improve the use safety.

In this embodiment, the charger further includes a power cord 80, and the power cord 80 is electrically connected to the main control board 70 of the charger.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

the charger of the utility model adopts the heat insulation bracket 30 to realize the heat insulation of the main control board 70 and the shell 10, thereby realizing the technical effect that the heat of the main control board 70 is not directly transferred to the shell 10 and effectively realizing heat insulation. Meanwhile, the heat dissipation installation part 40 is used for installing the main control board 70, so that the heat of the main control board 70 can be uniformly conducted, the heat of the main control board 70 is effectively isolated, the heat is prevented from being directly transferred to the shell 10, the uniform heat conduction is conducted through the glue filling body 20 in the heat dissipation installation part 40, and the heat dissipation efficiency is improved. The glue filling body 20 is accommodated in the heat radiation installation part 40 and the heat insulation support 30, and the conductive structure can be installed outside the heat radiation installation part 40, so that extra glue filling jigs are not required to be manufactured, the operation is simplified, and the cost is reduced.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A charger, comprising:

a housing (10);

a heat radiation mounting portion (40), wherein the heat radiation mounting portion (40) is mounted inside the housing (10);

a main control board (70), wherein a part of the main control board (70) is installed inside the heat radiation installation part (40);

and the heat insulation support (30) is arranged between the other part of the main control board (70) and the inner wall surface of the shell (10).

2. The charger according to claim 1, wherein the heat insulating bracket (30) is located above the heat radiation mounting portion (40) in a height direction of the main control board (70).

3. The charger according to claim 1, wherein the heat insulating holder (30) has an annular structure, and an annular heat insulating gap is formed between an outer peripheral surface of the heat insulating holder (30) and an inner peripheral surface of the housing (10), and a width of the heat insulating gap is not more than 2mm.

4. The charger of claim 3 wherein the battery charger,

the length of the heat insulation support (30) is H, and H is more than or equal to 40mm and less than or equal to 45mm; and/or

The width of the heat insulation support (30) is L, and L is more than or equal to 30mm and less than or equal to 36mm; and/or

The height of the heat insulation support (30) is S, and S is more than or equal to 10mm and less than or equal to 20mm; and/or

The corners of the heat insulation support (30) are arranged in a chamfering mode.

5. A charger according to claim 3, characterized in that the main control board (70) has at least a MOS element and a transformer, which are located in the inner area of the thermally insulating holder (30).

6. The charger of claim 1 wherein the battery charger comprises a battery charger,

the heat insulation support (30) is sleeved on the main control board (70); and/or

The heat insulation bracket (30) is connected with the heat radiation installation part (40); and/or

The heat insulation support (30) is connected with the shell (10).

7. The charger according to claim 1, wherein a bottom surface of the heat insulating bracket (30) abuts against a top surface of the heat radiation mounting portion (40).

8. The charger of claim 1 wherein the battery charger comprises a battery charger,

the heat insulation bracket (30) is made of aerogel; and/or

The heat dissipation installation part (40) is made of PC plastic parts.

9. The charger according to any one of claims 1 to 8, further comprising a potting body (20), wherein the potting body (20) is coated on the main control board (70), and the potting body (20) is accommodated inside the heat dissipation mounting portion (40) and the heat insulation support (30).

10. The charger according to claim 9, wherein the heat dissipation mounting portion (40) is a groove structure, a portion of the molding body (20) is accommodated in the groove structure, another portion of the molding body (20) extends out of the groove structure, and the heat insulation support (30) is sleeved on an outer peripheral surface of another portion of the molding body (20).

11. The charger according to any one of claims 1 to 8, wherein the housing (10) includes:

a housing (110);

the surface cover (120), the surface cover (120) is covered and is established on shell (110), surface cover (120) with shell (110) form installation cavity (101), main control board (70) are installed the inside in installation cavity (101), main control board (70) orientation the tip of surface cover (120) has the plug, have on surface cover (120) with top socket (121) that the plug counterpointed and set up.

12. The charger according to claim 11, wherein an electrical cavity (102) is formed between the heat dissipation mounting portion (40) and the bottom surface of the housing (10), the charger further comprises a conductive member and an electrode copper sheet (50) mounted inside the electrical cavity (102), one end of the conductive member is electrically connected with the main control board (70), the other end of the conductive member extends into the electrical cavity (102) and is electrically connected with the electrode copper sheet (50), and the housing (110) is provided with a side socket (111) aligned with the electrode copper sheet (50).