CN215378745U

CN215378745U - Switch power adapter

Info

Publication number: CN215378745U
Application number: CN202121753146.5U
Authority: CN
Inventors: 杨道兵
Original assignee: Huizhou Luhe Industrial Co ltd
Current assignee: Huizhou Luhe Industrial Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-31
Anticipated expiration: 2031-07-29

Abstract

The utility model belongs to the technical field of adapters, and particularly relates to a switching power supply adapter which comprises a shell, a circuit main board and a heat dissipation assembly, wherein the shell is provided with a first heat dissipation part and a second heat dissipation part; the shell comprises a bottom shell and an upper cover; the upper cover can slide relative to the bottom shell and is detachably connected with the bottom shell; the heat dissipation assembly is arranged at the bottom of the circuit mainboard; the bottom shell is provided with a position avoiding groove for the heat dissipation assembly to penetrate through, and the position avoiding groove penetrates through the bottom shell; the circuit main board is detachably connected with the bottom shell; wherein, the heat generated by the circuit main board can be transferred to the outside air through the heat dissipation component. Therefore, the heat dissipation performance is greatly improved, and the service life of the power adapter is prolonged.

Description

Switch power adapter

Technical Field

The utility model belongs to the technical field of adapters, and particularly relates to a switching power supply adapter.

Background

With the development of power electronic technology and the improvement of industrialization level, various switching power supplies are widely applied to each link of social production, whether the power supply runs reliably or not directly relates to the safety and accuracy of system operation, and the life safety of people is influenced. At present, when the existing switching power supply is used, the integration level of an internal electronic element is high, the internal temperature is easy to rise after the switching power supply is used for a long time, the heat dissipation effect of the existing switching power supply is poor, the heat dissipation requirement of the internal temperature cannot be met, and therefore the service life of the switching power supply is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a switching power adapter, and aims to solve the technical problem that the switching power adapter in the prior art is poor in heat dissipation effect.

In order to achieve the above object, an embodiment of the present invention provides a switching power adapter, which includes a housing, a circuit board, and a heat dissipation assembly; the shell comprises a bottom shell and an upper cover; the upper cover can slide relative to the bottom shell and is detachably connected with the bottom shell; the heat dissipation assembly is arranged at the bottom of the circuit main board; the bottom shell is provided with a position avoiding groove for the heat dissipation assembly to penetrate through, and the position avoiding groove penetrates through the bottom shell; the circuit main board is detachably connected with the bottom shell; wherein the heat generated by the circuit main board can be transferred to the outside air through the heat dissipation assembly.

Optionally, the bottom case includes a bottom plate and side plates, and the upper cover includes a top cover and a side cover; the bottom plate is fixedly connected with the side plates and is vertical to the side plates; the top cover is fixedly connected with the side cover and is vertical to the side cover; the top cover can slide relative to the side plate and is detachably connected with the side plate; the side cover can slide relative to the bottom plate and is detachably connected with the bottom plate; the avoiding groove is formed in the bottom plate; the circuit main board is detachably connected to the bottom plate.

Optionally, a first chute is formed at the top of the bottom plate; the first sliding groove penetrates through the front end face and the rear end face of the bottom plate; the side cover is in sliding fit with the first sliding groove.

Optionally, a first connecting plate is fixedly arranged on the top surface of the bottom plate; a first threaded hole is formed in the first connecting plate, and a first screw is preassembled in the first threaded hole; a first through hole for the first screw to penetrate through is formed in the side cover.

Optionally, the first screw is a thumb screw.

Optionally, the bottom case further comprises a rear plate; the rear plate is fixedly arranged on the rear end face of the bottom shell.

Optionally, an air outlet penetrating through the bottom case is formed in the bottom case; the air outlet is provided with a fan to blow hot air to the outside through the air outlet.

Optionally, the heat dissipation assembly includes a heat dissipation main body and a plurality of heat dissipation plates; the heat dissipation main body is arranged at the bottom of the circuit main board; the plurality of heat dissipation plates are fixedly arranged at the bottom of the heat dissipation main body and are arranged at intervals along a preset direction; the plurality of heat dissipation plates are completely positioned outside the bottom shell through the avoiding grooves.

Optionally, the heat dissipation assembly further comprises a heat conductive silicone sheet; the top of heat dissipation main part has seted up the mounting groove, heat conduction silica gel piece sets up in the mounting groove.

Optionally, the top surface of the heat conducting silica gel sheet is 0.1mm to 0.3mm higher than the top surface of the heat dissipation main body.

One or more technical solutions in the switching power adapter provided by the embodiment of the present invention have at least one of the following technical effects: one end of the heat dissipation assembly is installed at the bottom of the circuit main board to absorb heat, and the other end of the heat dissipation assembly protrudes out of the bottom shell through the avoiding groove and is in contact with the outside air to dissipate the absorbed heat. After assembling the circuit main board and the radiating assembly on the bottom shell, the upper cover is inserted into the bottom shell and pushed to slide on the bottom shell, and after the upper cover slides to a preset position, the upper cover is fixed on the bottom shell, so that the purpose of protecting the circuit main board is achieved. When the heat dissipation assembly is used, the circuit main board works and generates heat, at the moment, part of the heat is transferred to the heat dissipation assembly, and finally the heat is transferred to the outside air by the heat dissipation assembly. Therefore, the heat dissipation performance is greatly improved, and the service life of the power adapter is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an exploded view of a switching power adapter according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a switching power adapter according to an embodiment of the present invention.

Fig. 3 is an exploded view of a heat dissipation assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a bottom case according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-shell 20-radiating component 30-circuit main board

11-bottom shell 12-upper cover 111-bottom plate

112-side plate 113-rear plate 114-fan

1111-avoidance groove 1112-first sliding groove 1113-first connecting plate

1114-first screw 1115-cushion block 1121-second sliding groove

1122-second connecting plate 1123-second screw 121-top cover

122 side cover 21 heat radiation main body 22 heat radiation plate

23-heat-conducting silica gel piece 24-mounting groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3, a switching power adapter is provided, which includes a housing 10, a circuit board 30 and a heat dissipation assembly 20; the housing 10 includes a bottom case 11 and an upper cover 12; the upper cover 12 can slide relative to the bottom shell 11, and the upper cover 12 is detachably connected with the bottom shell 11; the heat dissipation assembly 20 is mounted at the bottom of the circuit main board 30; the bottom shell 11 is provided with a avoiding groove 1111 for the heat dissipation assembly 20 to penetrate through, and the avoiding groove 1111 penetrates through the bottom shell 11; the circuit main board 30 is detachably connected with the bottom case 11; wherein the heat generated by the circuit board 30 can be transferred to the outside air through the heat sink assembly 20.

Specifically, the circuit board 30 of the switching power adapter of the present invention is provided with various electrical components. One end of the heat sink 20 is installed at the bottom of the circuit board 30 to absorb heat, and the other end thereof protrudes out of the bottom case 11 through the relief groove 1111 and contacts with the external air to dissipate the absorbed heat. After the circuit main board 30 and the heat dissipation assembly 20 are assembled on the bottom case 11, the upper cover 12 is inserted into the bottom case 11, and the upper cover 12 is pushed, so that the upper cover 12 slides on the bottom case 11, and after the upper cover 12 slides to a predetermined position, the upper cover 12 is fixed on the bottom case 11, thereby achieving the purpose of protecting the circuit main board 30. In use, the circuit board 30 operates and generates heat, and at this time, a part of the heat is transferred to the heat dissipating module 20 and finally transferred to the outside air by the heat dissipating module 20. Therefore, the heat dissipation performance is greatly improved, and the service life of the power adapter is prolonged.

In another embodiment of the present invention, as shown in fig. 1 and 4, the bottom case 11 includes a bottom plate 111 and side plates 112, and the upper cover 12 includes a top cover 121 and side covers 122; the bottom plate 111 is fixedly connected with the side plate 112 and is perpendicular to the side plate; the top cover 121 is fixedly connected with the side cover 122 and is perpendicular to the side cover; the top cover 121 can slide relative to the side plate 112 and is detachably connected with the side plate 112; the side cover 122 can slide relative to the bottom plate 111 and is detachably connected with the bottom plate 111; the avoiding groove 1111 is formed in the bottom plate 111; the circuit board 30 is detachably connected to the bottom plate 111.

Further, a first sliding groove 1112 is formed at the top of the bottom plate 111; the first sliding groove 1112 penetrates through the front end face and the rear end face of the bottom plate 111; the side cover 122 is slidably fitted with the first sliding groove 1112.

Specifically, in this embodiment, the bottom case 11 and the upper cover 12 are both integrally formed by bending, which is beneficial to improving the production efficiency. The bottom case 11 and the upper cover 12 are both L-shaped, that is, the cross section of the housing 10 composed of the bottom case 11 and the upper cover 12 is rectangular. The first sliding groove 1112 is close to the right end surface of the bottom plate 111, and a second sliding groove 1121 is formed on the right end surface of the side plate 112. The second sliding slot 1121 penetrates through the front and rear end surfaces of the side plate 112; and the top cover 121 is slidably fitted with the second sliding slot 1121, and the second sliding slot 1121 is close to the top surface of the side plate 112. During installation, the top cover 121 and the side cover 122 are respectively inserted into the second sliding groove 1121 and the first sliding groove 1112, and then the upper cover 12 is pushed to move toward the rear end surface of the bottom case 11, and finally the upper cover 12 is fixed on the bottom case 11. During the movement, the top cover 121 and the side cover 122 slide in the second sliding groove 1121 and the first sliding groove 1112 respectively. In addition, the fixed top cover 121 and the fixed side cover 122 cannot move under the limiting action of the inner wall surfaces of the second sliding grooves 1121 and the first sliding grooves 1112, and the overall strength is greatly improved. In addition, a plurality of heat dissipation holes are formed in the top cover 121 and the side cover 122, the heat dissipation holes are uniformly distributed in the top cover 121 and the side cover 122, and all the heat dissipation holes penetrate through the top cover 121 and the side cover 122, so that heat generated by the circuit main board 30 can be dissipated to the outside through the heat dissipation holes, and the heat dissipation performance is improved.

Further, chamfers are provided on front openings of the first and second sliding

grooves

1112 and 1121 to facilitate insertion of the side cover 122 and the top cover 121, thereby improving the installation efficiency.

In another embodiment of the present invention, as shown in fig. 1 and 4, a first connecting plate 1113 is fixedly arranged on the top surface of the bottom plate 111; a first threaded hole is formed in the first connecting plate 1113, and a first screw 1114 is pre-installed in the first threaded hole; the side cover 122 is provided with a first through hole for the first screw 1114 to pass through.

Specifically, in the present embodiment, the right end face of the first connection plate 1113 is coplanar with the right end face of the bottom plate 111, and the thickness of the first connection plate 1113 is equal to the thickness of the bottom plate 111. In addition, a second connecting plate 1122 is fixedly arranged on the right end surface of the side plate 112, a second threaded hole is formed in the second connecting plate 1122, and a second screw 1123 is pre-installed in the second threaded hole; the top cover 121 is provided with a second through hole for the second screw 1123 to pass through. The top surface of the second connecting plate 1122 is coplanar with the top surface of the side plate 112, and the thickness of the second connecting plate 1122 is equal to the thickness of the side plate 112. So, drain pan 11, first connecting plate 1113 and the integrative shaping of bending of second connecting plate 1122 have improved production efficiency greatly. When the cover is used, after the upper cover 12 is pushed to the right position, the first screw 1114 is screwed, and under the action of the first threaded hole, the first screw 1114 moves towards the side cover 122 and finally passes through the first through hole on the side cover 122. Similarly, a second screw 1123 is tightened through a second through hole in the top cover 121. Thus, the upper cover 12 cannot move in the front-rear direction by the restriction action of the first and

second screws

1114 and 1123, and the upper cover 12 is fixed to the bottom case 11 by the restriction action of the first and second sliding

grooves

1112 and 1121. It is worth mentioning that the first threaded hole and the second threaded hole are both arranged on the bottom shell 11, so that the first screw 1114 and the second screw 1123 can be connected on the bottom shell 11 without being directly taken out, thereby avoiding the loss of the first screw 1114 and the second screw 1123 and greatly improving the practicability.

Further, the first screw 1114 is a hand screw. The first screw 1114 and the second screw 1123 are both hand screws, which are well known in the art. The novel installation tool can be directly screwed by fingers of people without using tools, is favorable for improving the installation efficiency, and greatly improves the flexibility.

In another embodiment of the present invention, as shown in fig. 1 and 4, the bottom case 11 further includes a rear plate 113; the rear plate 113 is fixedly disposed on the rear end surface of the bottom case 11. Specifically, the rear plate 113 is detachably attached to the rear end surfaces of the bottom plate 111 and the side plates 112 by screw-coupling. This back plate 113 plays the guard action simultaneously, still plays the positioning action, when installing upper cover 12 and drain pan 11, directly promotes upper cover 12, when upper cover 12 supports and presses back plate 113, can use first screw 1114 and second screw 1123 fixed upper cover 12, so, has improved the installation effectiveness.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, an air outlet penetrating through the bottom case 11 is formed on the bottom case 11; the air outlet is provided with a fan 114 for blowing hot air to the outside through the air outlet. Specifically, the fan 114 is mounted on the rear panel 113, but may be mounted on the side panel 112, and the fan 114 is electrically connected to the circuit main board 30. When in use, the fan 114 blows the heat in the casing 10 to the outside air through the air outlet, so as to further improve the heat dissipation performance.

In another embodiment of the present invention, as shown in fig. 3, the heat dissipation assembly 20 includes a heat dissipation body 21 and a plurality of heat dissipation plates 22; the heat dissipation main body 21 is mounted at the bottom of the circuit main board 30; the plurality of heat dissipation plates 22 are fixedly arranged at the bottom of the heat dissipation main body 21 and are arranged at intervals along a preset direction; the plurality of heat dissipation plates 22 are completely located outside the bottom case 11 through the avoiding grooves 1111.

Specifically, heat dissipation main part 21 and heating panel 22 all adopt the higher and comparatively cheap aluminium metal of coefficient of heat conductivity to make, and a plurality of heating panels 22 are arranged along the width direction of heat dissipation main part 21 equidistant, just heating panel 22 all is located the outside of drain pan 11, so, have increased the area of contact of heating panel 22 with the air to the radiating efficiency has been improved. When in use, the heat is sequentially transferred to the heat dissipation body 21 and the plurality of heat dissipation plates 22 and exchanges heat with the external air, so that the heat dissipation performance is improved.

In another embodiment of the present invention, as shown in fig. 3, the heat dissipation assembly 20 further includes a heat conductive silicone sheet 23; an installation groove 24 is formed in the top of the heat dissipation main body 21, and the heat conduction silica gel sheet 23 is arranged in the installation groove 24. Specifically, the bottom of the circuit board 30 is uneven, and when the heat dissipation body 21 is directly mounted on the bottom of the circuit board 30, a gap is generated between the two, so that the efficiency of heat transfer is reduced, and the heat dissipation performance is reduced. A layer of heat conductive silicone sheet 23 is disposed between the heat dissipating body 21 and the circuit board 30 to fill the gap therebetween. Thus, the heat dissipation performance is greatly improved.

Further, the top surface of the heat conducting silica gel sheet 23 is 0.1mm to 0.3mm higher than the top surface of the heat dissipating main body 21. Specifically, the heat conductive silicone sheet 23 is soft and has good compression performance. The heat dissipation main body 21 presses against the heat-conducting silicone sheet 23 and is detachably connected with the circuit main board 30, so that the upper end face and the lower end face of the heat-conducting silicone sheet 23 are respectively in close contact with the circuit main board 30 and the heat dissipation main body 21, and heat transfer is facilitated.

In another embodiment of the present invention, as shown in fig. 1, four pads 1115 are fixed on the bottom of the bottom case 11. Specifically, the four cushion blocks 1115 are arranged in a rectangular shape and are all fixedly arranged at the bottom of the bottom plate 111, and the shell 10 is cushioned by the four cushion blocks 1115, so that the radiating fins are prevented from directly contacting with a desktop or a table top, and the temperature of the desktop or the table top is prevented from being too high; and secondly, the direct scouring of the radiating fins by water flow can be avoided, so that electric leakage is caused, and the use safety is improved.

Further, the bottoms of the four pads 1115 are provided with a layer of non-slip pad to prevent the housing 10 from easily sliding on a table or a table top.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A switching power adapter, characterized by: the heat dissipation module comprises a shell, a circuit main board and a heat dissipation assembly; the shell comprises a bottom shell and an upper cover; the upper cover can slide relative to the bottom shell and is detachably connected with the bottom shell; the heat dissipation assembly is arranged at the bottom of the circuit main board; the bottom shell is provided with a position avoiding groove for the heat dissipation assembly to penetrate through, and the position avoiding groove penetrates through the bottom shell; the circuit main board is detachably connected with the bottom shell; wherein the heat generated by the circuit main board can be transferred to the outside air through the heat dissipation assembly.

2. The switching power adapter as claimed in claim 1, wherein: the bottom shell comprises a bottom plate and side plates, and the upper cover comprises a top cover and a side cover; the bottom plate is fixedly connected with the side plates and is vertical to the side plates; the top cover is fixedly connected with the side cover and is vertical to the side cover; the top cover can slide relative to the side plate and is detachably connected with the side plate; the side cover can slide relative to the bottom plate and is detachably connected with the bottom plate; the avoiding groove is formed in the bottom plate; the circuit main board is detachably connected to the bottom plate.

3. The switching power adapter as claimed in claim 2, wherein: the top of the bottom plate is provided with a first sliding chute; the first sliding groove penetrates through the front end face and the rear end face of the bottom plate; the side cover is in sliding fit with the first sliding groove.

4. The switching power adapter as claimed in claim 2, wherein: a first connecting plate is fixedly arranged on the top surface of the bottom plate; a first threaded hole is formed in the first connecting plate, and a first screw is preassembled in the first threaded hole; a first through hole for the first screw to penetrate through is formed in the side cover.

5. The switching power adapter as claimed in claim 4, wherein: the first screw is a hand screw.

6. The switching power adapter as claimed in claim 1, wherein: the bottom case further comprises a rear plate; the rear plate is fixedly arranged on the rear end face of the bottom shell.

7. The switching power adapter as claimed in claim 1, wherein: the bottom shell is provided with an air outlet penetrating through the bottom shell; the air outlet is provided with a fan to blow hot air to the outside through the air outlet.

8. The switching power adapter as claimed in claim 1, wherein: the heat dissipation assembly comprises a heat dissipation main body and a plurality of heat dissipation plates; the heat dissipation main body is arranged at the bottom of the circuit main board; the plurality of heat dissipation plates are fixedly arranged at the bottom of the heat dissipation main body and are arranged at intervals along a preset direction; the plurality of heat dissipation plates are completely positioned outside the bottom shell through the avoiding grooves.

9. The switching power adapter as claimed in claim 8, wherein: the heat dissipation assembly further comprises a heat conduction silica gel sheet; the top of heat dissipation main part has seted up the mounting groove, heat conduction silica gel piece sets up in the mounting groove.

10. The switching power adapter as claimed in claim 9, wherein: the top surface of the heat-conducting silica gel sheet is 0.1 mm-0.3 mm higher than the top surface of the heat-radiating main body.