CN213213316U

CN213213316U - Power adapter that security performance is high

Info

Publication number: CN213213316U
Application number: CN202022608553.9U
Authority: CN
Inventors: 邝招财
Original assignee: Foshan Shunde Great Power Co ltd
Current assignee: Foshan Shunde Great Power Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-05-14
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a power adapter that security performance is high, including installation shell, power input end and power output end, the installation cavity has been seted up to the inside of installation shell, fixed mounting has the heating panel on the interior diapire of installation cavity, the top equidistance fixed mounting of heating panel has a plurality of fin, the top fixed mounting of fin has the heat-conducting plate, the top fixed mounting of heat-conducting plate has the circuit mainboard, the opening has all been seted up to the both sides of installation shell, the welding of one side of circuit mainboard has first power cord, the welding of the opposite side of circuit mainboard has the second power cord. The utility model relates to a power adapter technical field, simple structure, convenient to use utilizes trapping mechanism can play fine fixed effect to first power cord and second power cord, avoids using the condition that first power cord and second power cord take place to drop for a long time, has improved the security that power adapter used.

Description

Power adapter that security performance is high

Technical Field

The utility model relates to a power adapter technical field especially relates to a power adapter that security performance is high.

Background

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the power adapter is that alternating current input is converted into direct current output; the device can be divided into a wall-inserting type and a desktop type according to the connection mode, and can be widely matched with equipment such as security cameras, set top boxes, routers, light bars, massage instruments and the like.

Most of power supplies of the existing power supply adapters for the mobile refrigerators need to use the power supply adapters, power lines of the existing power supply adapters for the mobile refrigerators are connected with circuit main boards inside the power supply adapters in a welding mode, the power lines can fall off in the long-time use process, and the safety of the power supply adapters is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art, and the power adapter that a security performance is high that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power adapter with high safety performance comprises an installation shell, a power input end and a power output end, wherein an installation cavity is formed in the installation shell, a heating panel is fixedly installed on the inner bottom wall of the installation cavity, a plurality of cooling fins are fixedly installed on the top of the heating panel at equal intervals, a heat conducting plate is fixedly installed on the top of the cooling fins, a circuit main board is fixedly installed on the top of the heat conducting plate, through holes are formed in two sides of the installation shell, a first power line is welded on one side of the circuit main board, a second power line is welded on the other side of the circuit main board, the first power line penetrates through one of the through holes, one end extending to the outside of the installation shell is fixedly connected with the power input end, the second power line penetrates through the other through hole, one end extending to the outside of the installation shell is fixedly connected with the power output, and a wire clamping mechanism is arranged in the mounting frame.

Preferably, wire clamping mechanism includes gag lever post, first grip slipper, second grip slipper, supporting spring, screw thread through-hole and threaded rod, the quantity of gag lever post is two, two gag lever post symmetry fixed mounting is in the inside of installing the frame, sliding connection has first grip slipper and second grip slipper on the gag lever post, a plurality of supporting spring of one side fixed mounting of first grip slipper, supporting spring keeps away from the one end of first grip slipper and the inner wall fixed connection of installing the frame, run through the screw thread through-hole on the installing the frame, the inside threaded connection of screw thread through-hole has the threaded rod, the threaded rod extends to the inside one end of installing the frame and rotates with one side of second grip slipper and is connected.

Preferably, the clamping pad is fixedly mounted on one side, opposite to the second clamping seat, of the first clamping seat and is made of rubber.

Preferably, the installation shell is the PC material, the surface integrated into one piece of installation shell has anti-skidding line.

Preferably, two equal fixed mounting in the inside of opening has the sealing washer, set up the opening that supplies first power cord and second power cord to pass on the sealing washer.

Preferably, the contact surface of the heat conducting plate and the circuit main board is fixedly provided with heat conducting silicone grease, and the thickness of the heat conducting silicone grease is 0.2 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. make the threaded rod to the inside removal of installation frame through rotating the threaded rod to promote the second grip slipper and do to be close to the removal to first grip slipper, can carry out stable centre gripping fixed to first power cord and second power cord through the cooperation of first grip slipper with the second grip slipper, solved in long-time use first power cord and second power cord can with the problem that drops of circuit mainboard, improved the security that power adapter used.

2. The heat that can produce the circuit main board during operation is derived in the cooperation through heat-conducting plate and heat conduction silicone grease, can dispel the heat to the heat-conducting plate through the cooperation of heating panel and fin to improve the radiating effect to circuit main board, prolonged circuit main board's life.

Drawings

Fig. 1 is a schematic structural diagram of a main body of a power adapter with high safety performance according to the present invention;

fig. 2 is a schematic cross-sectional view of the power adapter with high safety performance in the front view direction according to the present invention;

fig. 3 is a schematic sectional view of the wire clamping mechanism in the power adapter with high safety performance according to the present invention.

In the figure: 1. mounting a shell; 2. a power supply input terminal; 3. a power supply output terminal; 4. a port; 5. a seal ring; 6. a heat dissipation plate; 7. a heat sink; 8. a heat conducting plate; 9. heat-conducting silicone grease; 10. a circuit main board; 11. installing a frame; 12. a limiting rod; 13. a first clamping seat; 14. a second clamping seat; 15. a support spring; 16. a threaded through hole; 17. a threaded rod; 18. a clamping pad; 19. a first power line; 20. a second power line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a power adapter with high safety performance comprises a mounting shell 1, a power input end 2 and a power output end 3, wherein a mounting cavity is formed inside the mounting shell 1, a heat dissipation plate 6 is fixedly mounted on the inner bottom wall of the mounting cavity, a plurality of heat dissipation plates 7 are fixedly mounted on the top of the heat dissipation plate 6 at equal intervals, a heat conduction plate 8 is fixedly mounted on the top of each heat dissipation plate 7, a circuit main board 10 is fixedly mounted on the top of each heat conduction plate 8, through holes 4 are formed in two sides of the mounting shell 1, a first power wire 19 is welded on one side of the circuit main board 10, a second power wire 20 is welded on the other side of the circuit main board 10, one end of the first power wire 19 extending to the outside of the mounting shell 1 through one through hole 4 is fixedly connected with the power input end 2, and one end of, the mounting frame 11 is fixedly mounted on two sides of the mounting shell 1, and the wire clamping mechanism is arranged in the mounting frame 11

Wherein, the wire clamping mechanism comprises two limiting rods 12, a first clamping seat 13, a second clamping seat 14, a supporting spring 15, a threaded through hole 16 and a threaded rod 17, the number of the limiting rods 12 is two, the two limiting rods 12 are symmetrically and fixedly arranged inside the mounting frame 11, the limiting rods 12 are connected with the first clamping seat 13 and the second clamping seat 14 in a sliding way, one side of the first clamping seat 13 is fixedly provided with a plurality of supporting springs 15, one end of each supporting spring 15 far away from the first clamping seat 13 is fixedly connected with the inner wall of the mounting frame 11, the mounting frame 11 is provided with the threaded through hole 16 in a penetrating way, the internal thread of the threaded through hole 16 is connected with the threaded rod 17, one end of the threaded rod 17 extending to the inside of the mounting frame 11 is rotatably connected with one side of the second clamping seat 14, the threaded rod 17 is moved towards the inside of the mounting frame 11 by rotating the threaded rod 17, so as to push the second clamping seat 14 to move, the first power line 19 and the second power line 20 can be stably clamped and fixed through the matching of the first clamping seat 13 and the second clamping seat 14, the problem that the first power line 19 and the second power line 20 can fall off from the circuit main board 10 in the long-time use process is solved, and the use safety of the power adapter is improved.

Wherein, the equal fixed mounting in one side that first grip slipper 13 is relative with second grip slipper 14 has centre gripping pad 18, and centre gripping pad 18 is the rubber material, cooperatees through first grip slipper 13, second grip slipper 14 and centre gripping pad 18, and the rubber material has compliance and elastic advantage, can increase the frictional force between first grip slipper 13, second grip slipper 14 and first power cord 19 and the second power cord 20, is convenient for press from both sides tight first power cord 19 of fixed and second power cord 20.

Wherein, installation shell 1 is the PC material, and the surface integrated into one piece of installation shell 1 has anti-skidding line, adopts the PC material to have fatigue resistance, weatherability, tasteless odorless harmless to the human body, accords with sanitary safety, has improved the outside frictional force of installation shell 1 through anti-skidding problem, and the user of service is more stable when handheld.

Wherein, the equal fixed mounting in inside of two openings 4 has sealing washer 5, sets up the opening that supplies first power cord 19 and second power cord 20 to pass on the sealing washer 5, plays fine sealed effect through sealing washer 5, avoids dust or water to get into the inside of installation shell 1 and causes the problem of damage to circuit mainboard 10.

Wherein, the equal fixed mounting of the contact surface of heat-conducting plate 8 and circuit board 10 has heat conduction silicone grease 9, and the thickness of heat conduction silicone grease 9 is 0.2cm, adopts heat conduction silicone grease 9 to have excellent electrical insulation, has excellent heat conductivity again, can derive the heat that circuit board 10 during operation produced fast.

The working principle is as follows: the utility model discloses in, during the use, cooperation through heat-conducting plate 8 and heat conduction silicone grease 9 is used and can be derived the heat that circuit mainboard 10 during operation produced, cooperation through heating panel 6 and fin 7 can dispel the heat to heat-conducting plate 8, thereby the radiating effect to circuit mainboard 10 has been improved, the life of circuit mainboard 10 has been prolonged, it removes to the inside of installing frame 11 to make threaded rod 17 through rotation threaded rod 17, thereby it is close to the removal to promote second grip slipper 14 to do to first grip slipper 13, cooperation through first grip slipper 13 and second grip slipper 14 can carry out stable centre gripping to first power cord 19 and second power cord 20 and fix, the problem of first power cord 19 and second power cord 20 can with circuit mainboard 10's the dropout in long-time use has been solved, the security that power adapter used has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The power adapter with high safety performance comprises an installation shell (1), a power input end (2) and a power output end (3), and is characterized in that an installation cavity is formed in the installation shell (1), a heating panel (6) is fixedly installed on the inner bottom wall of the installation cavity, a plurality of cooling fins (7) are fixedly installed on the top of the heating panel (6) at equal intervals, a heat conduction plate (8) is fixedly installed on the top of the cooling fins (7), a circuit board (10) is fixedly installed on the top of the heat conduction plate (8), through holes (4) are formed in the two sides of the installation shell (1), a first power line (19) is welded on one side of the circuit board (10), a second power line (20) is welded on the other side of the circuit board (10), and the first power line (19) penetrates through one of the through holes (4) and is fixedly connected with the power input end (2) and the end outside the installation shell (1, second power cord (20) pass another opening (4) extend to outside one end and power output end (3) fixed connection of installation shell (1), the equal fixed mounting in both sides of installation shell (1) inside has installing frame (11), the inside of installing frame (11) is provided with wire clamping mechanism.

2. The power adapter with high safety performance according to claim 1, wherein the wire clamping mechanism comprises two limiting rods (12), a first clamping seat (13), a second clamping seat (14), supporting springs (15), a threaded through hole (16) and a threaded rod (17), the two limiting rods (12) are symmetrically and fixedly installed inside the installation frame (11), the first clamping seat (13) and the second clamping seat (14) are connected onto the limiting rods (12) in a sliding manner, the supporting springs (15) are fixedly installed on one side of the first clamping seat (13), one ends, far away from the first clamping seat (13), of the supporting springs (15) are fixedly connected with the inner wall of the installation frame (11), the threaded through hole (16) is formed in the installation frame (11), and the threaded rod (17) is connected to the internal threads of the threaded through hole (16), one end of the threaded rod (17) extending to the inside of the mounting frame (11) is rotatably connected with one side of the second clamping seat (14).

3. The power adapter with high safety performance as claimed in claim 2, wherein clamping pads (18) are fixedly mounted on the opposite sides of the first clamping seat (13) and the second clamping seat (14), and the clamping pads (18) are made of rubber.

4. The power adapter with high safety performance as claimed in claim 1, wherein the mounting shell (1) is made of PC material, and the outer surface of the mounting shell (1) is integrally formed with anti-skid lines.

5. The power adapter with high safety performance according to claim 1, wherein a sealing ring (5) is fixedly mounted inside each of the two through holes (4), and an opening for passing the first power line (19) and the second power line (20) is formed in each sealing ring (5).

6. The power adapter with high safety performance according to claim 1, wherein the contact surfaces of the heat conducting plate (8) and the circuit main board (10) are fixedly provided with heat conducting silicone grease (9), and the thickness of the heat conducting silicone grease (9) is 0.2 cm.