A universal power adapter with efficient heat dissipation structure

Abstract

The invention discloses a universal power adapter with an efficient heat dissipation structure, comprising a cavity shell, a bearing platform, a graphene heat sink and an insulating cover arranged in the cavity shell, the bearing platform is installed in the cavity shell, the graphene heat sink is installed on the bearing platform, an insulating cover is arranged outside the graphene heat sink, an opening is arranged on the insulating cover, a plurality of recessed parts and raised parts are arranged on the graphene heat sink, a plurality of grooves and bosses are arranged on the bearing platform, the raised parts are arranged in the grooves, the recessed parts are arranged on the bosses, and the recessed parts or the raised parts are provided with convex strips passing through the cavity shell. The graphene heat sink is rigidly supported by the bearing platform, the insulating cover insulates and separates the graphene heat sink from the internal components, a plurality of recessed parts and raised parts are arranged on the graphene heat sink, so that the area occupied by the graphene heat sink is small, but the heat dissipation contact area is large, and the graphene heat sink is also provided with external convex strips, which can quickly release heat.

Description

Technical Field

[0001] The present invention relates to the technical field of power adapters, and in particular to a universal power adapter with a high-efficiency heat dissipation structure. Background Art

[0002] A power adapter is a power conversion device for portable electronic devices and electrical appliances. Its working principle is to convert AC input into DC output. It is commonly used in small electronic products such as mobile phones, monitors and laptops.

[0003] The existing heat dissipation method for power adapters is mainly to fix the heat dissipation aluminum sheet on the power component, conduct and radiate the heat generated by the power component to other spaces inside the adapter, and then transfer the heat to the external environment through the plastic shell when the internal temperature rises. As the demand for high-power power supplies increases, the traditional design needs to increase the area of ​​the heat dissipation aluminum sheet and the volume of the shell, which greatly increases the weight of the adapter. Summary of the invention

[0004] In order to solve the above-mentioned technical defects, the technical solution adopted by the present invention is to provide a universal power adapter with an efficient heat dissipation structure, including a cavity shell and a cover connected to each other, a power adapter body is installed in the cavity shell, a bearing bracket, a graphene heat sink and an insulating cover are provided in the cavity shell, the bearing bracket is installed on the inner wall of the cavity shell, the graphene heat sink is installed on the bearing bracket, an insulating cover is arranged outside the graphene heat sink, an opening is provided at the end of the insulating cover, a plurality of recessed portions and raised portions distributed at intervals are provided on the graphene heat sink, a plurality of grooves and bosses distributed at intervals are provided on the bearing bracket, the raised portion is cooperated in the groove, the recessed portion is cooperated on the boss, and the recessed portion or the raised portion is provided with a convex strip passing through the outside of the cavity shell.

[0005] Furthermore, an outer wall of the cavity shell is provided with a mounting groove, a plurality of metal heat-conducting strips are arranged in the mounting groove at intervals, an end of the convex strip is arranged in the mounting groove, and the metal heat-conducting strip and the convex strip are arranged crosswise.

[0006] Furthermore, a square frame is installed in the installation groove, and first clamping grooves are respectively provided at both ends of the metal heat-conducting strip, and the first clamping grooves are matched and clamped on the square frame.

[0007] Furthermore, the metal heat-conducting strip is provided with a plurality of second slots, and the second slots are engaged with and secured on the convex strip.

[0008] Furthermore, the square frame is provided with a grille cover located outside the metal heat-conducting strip.

[0009] Furthermore, a plurality of strip-shaped through holes are arranged at intervals on the installation groove, the convex strip is connected to the protruding portion, and the rear portion of the convex strip passes through the groove and is inserted into the strip-shaped through hole and placed outside.

[0010] Furthermore, the insulating cover is provided with a plurality of ventilation holes arranged in an array.

[0011] Furthermore, two ends of the metal heat-conducting strip are arranged in an arc shape.

[0012] Compared with the prior art, the beneficial effects of the technical solution of the present invention are as follows:

[0013] 1. The present invention provides a universal power adapter with an efficient heat dissipation structure, in which a graphene heat dissipation frame is rigidly supported by a carrying bracket, and an insulating cover insulates the graphene heat dissipation frame from the components inside the cavity shell. A plurality of recessed portions and raised portions are arranged on the graphene heat dissipation frame, so that the area occupied by the graphene heat dissipation frame is small, but the heat dissipation contact area is large, and the graphene heat dissipation frame is also provided with external convex strips, which can quickly release heat.

[0014] 2. By arranging metal heat-conducting strips on the shell, the heat conducted by the cavity shell and the convex strips can be further quickly radiated to the external environment, which is beneficial to improving the heat dissipation efficiency; and array-shaped vents are arranged on the insulating cover, which is beneficial to quickly transfer the heat inside the cavity shell to the graphene heat dissipation frame.

[0015] 3. The metal thermal conductive strip is respectively connected with the square frame and the convex strip, and arcs are provided at both ends of the metal thermal conductive strip, which improves the firmness of the structural connection and prevents the metal thermal conductive strip and the graphene heat dissipation frame from loosening due to collision, thereby affecting the quality of heat dissipation; the metal thermal conductive strip is protected by a grille cover to prevent the metal thermal conductive strip from being damaged due to being exposed outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 is a three-dimensional diagram of a universal power adapter with a high-efficiency heat dissipation structure provided by an embodiment of the present invention;

[0018] Figure 2 is a three-dimensional diagram of a cavity housing provided by an embodiment of the present invention;

[0019] Figure 3 is a schematic structural diagram of a cavity housing provided by an embodiment of the present invention;

[0020] Figure 4 yes Figure 3 AA section view;

[0021] Figure 5 It is a three-dimensional diagram of the cavity shell provided by an embodiment of the present invention without the insulating cover.

[0022] Wherein, the accompanying drawings are marked as follows:

[0023] 1. Cavity shell, 1a. Mounting groove, 2. Cover, 3. Support platform, 3a. Groove, 3b. Boss, 4. Graphene heat sink, 4a. Concave portion, 4b. Raised portion, 4c. Raised strip, 5. Insulating cover, 5a. Opening, 5b. Vent, 6. Metal thermal conductive strip, 7. Square frame, 8. Plug. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Example 1

[0026] See also Figure 1-5 As shown, a universal power adapter with an efficient heat dissipation structure provided by the present invention comprises a cavity shell 1 and a cover 2 connected to each other, a power adapter body is installed in the cavity shell 1, a bearing bracket 3, a graphene heat dissipation frame 4 and an insulating cover 5 are arranged in the cavity shell 1, the bearing bracket 3 is installed on the inner wall of the cavity shell 1, the graphene heat dissipation frame 4 is installed on the bearing bracket 3, an insulating cover 5 is arranged outside the graphene heat dissipation frame 4, an opening 5a is arranged at the end of the insulating cover 5, a plurality of recessed portions 4a and raised portions 4b are arranged at intervals on the graphene heat dissipation frame 4, a plurality of recessed portions 3a and raised portions 3b are arranged at intervals on the bearing bracket 3, the raised portions 4b are arranged in the recessed portions 3a, the recessed portions 4a are arranged on the raised portions 3b, and a convex strip 4c is arranged on the recessed portions 4a or the raised portions 4b and passes through the cavity shell 1. Among them, a plug 8 is arranged on the power adapter body, and a socket for the plug 8 to pass through is arranged on the cover 2.

[0027] The graphene heat sink 4 is rigidly supported by the supporting platform 3, and the insulating cover 5 insulates the graphene heat sink 4 from the components inside the cavity shell 1. A plurality of recessed portions 4a and raised portions 4b are provided on the graphene heat sink 4, so that the area occupied by the graphene heat sink 4 is small, but the heat dissipation contact area is large, and the graphene heat sink 4 is also provided with external convex strips 4c, which can quickly release heat.

[0028] Specifically, a plurality of vent holes 5 b arranged in an array are provided on the insulating cover 5. Providing the vent holes 5 b in an array on the insulating cover 5 is conducive to quickly transferring the heat inside the cavity shell 1 to the graphene heat sink 4.

[0029] Preferably, the outer wall of the cavity shell 1 is provided with a mounting groove 1a, a plurality of metal heat-conducting strips 6 are arranged in the mounting groove 1a at intervals, the end of the convex strip 4c is arranged in the mounting groove 1a, and the metal heat-conducting strip 6 and the convex strip 4c are arranged crosswise.

[0030] By arranging the metal heat-conducting strip 6 on the cavity shell 1, the heat conducted by the cavity shell 1 and the convex strip 5 can be further quickly radiated to the external environment, which is beneficial to improving the heat dissipation efficiency.

[0031] Preferably, a square frame 7 is installed in the installation groove 1 a , and first slots are respectively provided at both ends of the metal heat-conducting strip 6 , and the first slots are fitted and clamped on the square frame 7 .

[0032] Specifically, the metal heat-conducting strip 6 is also provided with a plurality of second slots, which are matched and clamped on the convex strip 4c. The two ends of the metal heat-conducting strip 6 are arranged in an arc shape. The second slots are U-shaped slots, and the convex strip 4c is an arc strip. The metal heat-conducting strip 6 is respectively matched and clamped with the square frame 7 and the convex strip 5, and the two ends of the metal heat-conducting strip 6 are provided with arcs, which improves the firmness of the structural connection and prevents the metal heat-conducting strip 6 and the graphene heat dissipation frame 4 from loosening due to collision, thereby affecting the quality of heat dissipation.

[0033] Preferably, a grille cover is provided on the square frame 7 and is located outside the metal heat-conducting strip 6. The grille cover is used to protect the metal heat-conducting strip 6 to prevent the metal heat-conducting strip 6 from being damaged due to being exposed outside.

[0034] Specifically, a plurality of strip-shaped through holes are arranged at intervals on the installation groove 1a, and the convex strip 4c is connected to the raised portion 4b. The convex strip 4c passes through the groove 3a and is partially inserted into the strip-shaped through hole and placed outside.

[0035] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A universal power adapter with an efficient heat dissipation structure, comprising a cavity shell (1) and a cover (2) connected to each other, wherein a power adapter body is installed in the cavity shell (1), characterized in that: The cavity shell (1) is provided with a supporting platform (3), a graphene heat sink (4) and an insulating cover (5); the supporting platform (3) is mounted on the inner wall of the cavity shell (1); the graphene heat sink (4) is mounted on the supporting platform (3); an insulating cover (5) is arranged outside the graphene heat sink (4); an opening (5a) is arranged at the end of the insulating cover (5); a plurality of recessed portions (4a) and raised portions (4b) are arranged at intervals on the graphene heat sink (4); a plurality of recessed portions (3a) and raised portions (3b) are arranged at intervals on the supporting platform (3); the raised portions (4b) are arranged in cooperation with the recessed portions (4a) and the raised portions (3b); a convex strip (4c) passing through the cavity shell (1) and arranged outside the supporting platform (3); The outer wall of the cavity shell (1) is provided with a mounting groove (1a), a plurality of metal heat-conducting strips (6) are arranged at intervals in the mounting groove (1a), the end of the convex strip (4c) is arranged in the mounting groove (1a), and the metal heat-conducting strip (6) and the convex strip (4c) are arranged crosswise; The insulating cover (5) is provided with a plurality of ventilation holes (5b) arranged in an array.

2. The universal power adapter with a high-efficiency heat dissipation structure as claimed in claim 1, characterized in that: A square frame (7) is installed in the installation groove (1a), and first clamping grooves are respectively provided at both ends of the metal heat-conducting strip (6), and the first clamping grooves are matched and clamped on the square frame (7).

3. The universal power adapter with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The metal heat-conducting strip (6) is also provided with a plurality of second slots, and the second slots are matched and secured on the convex strip (4c).

4. The universal power adapter with a high-efficiency heat dissipation structure as claimed in claim 2, characterized in that: The square frame (7) is provided with a grille cover located outside the metal heat conducting strip (6).

5. The universal power adapter with a high-efficiency heat dissipation structure according to claim 1, characterized in that: The installation groove (1a) is provided with a plurality of strip-shaped through holes at intervals, the convex strip (4c) is connected to the raised portion (4b), and the convex strip (4c) passes through the groove (3a) and is partially inserted into the strip-shaped through hole and placed outside.

6. The universal power adapter with a high-efficiency heat dissipation structure as claimed in claim 2, characterized in that: The two ends of the metal heat-conducting strip (6) are arranged in an arc shape.

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