CN113572244B

CN113572244B - Electronic product charging device protected by plug

Info

Publication number: CN113572244B
Application number: CN202111126225.8A
Authority: CN
Inventors: 黄建英
Original assignee: Nantong Kaiyao Information Technology Co ltd
Current assignee: Jiangsu Kaiyao Information Technology Co.,Ltd.
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2021-11-30
Anticipated expiration: 2041-09-26
Also published as: CN113572244A

Abstract

The invention discloses a plug-protected electronic product charging device which comprises a shell, two conductive columns and a socket, wherein a conversion module is fixedly arranged on the inner side wall of the shell, a cylindrical power connection groove is formed in the conversion module, a chip is arranged in the middle of the shell, an annular power connection column matched with the cylindrical power connection groove is arranged at one end of the chip, and two elastic winding springs are symmetrically arranged on the inner side wall of the shell. When the internal temperature of the plug is higher, the wave-shaped buffer layer automatically extends, the heat exchange area of the cooling liquid and the chip is increased, and the cooling efficiency is greatly improved; the air on the right side of the metal sliding plate flows towards the chip direction, so that the heat transfer is accelerated; when the interior of the plug is continuously high-temperature, the color at the transparent window is changed, and a user is warned; the plug is automatically cooled in the charging process, the charging speed of the plug is not influenced, the size of the plug is only slightly increased, and the portability of the plug can still be ensured.

Description

Electronic product charging device protected by plug

Technical Field

The invention relates to the technical field of charging equipment, in particular to a plug-protected electronic product charging device.

Background

Along with the improvement of the charging power of electronic products, the heat generated by a charging device in the charging process is relatively increased, the conventional charging device is provided with a temperature detection element, when a plug is overheated, the charging device can automatically reduce the charging efficiency, although the measure can avoid the problems of overheating damage of the plug or spontaneous combustion of the plug and the like, the charging speed is reduced, the quick charging effect cannot be achieved, the conventional plug is small in size, and a heat dissipation device cannot be additionally arranged outside the plug.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the charging speed of electronic equipment is reduced due to overheating of a plug, the size of the plug is small, and a heat dissipation device is difficult to install on the outside, and provides an electronic product charging device protected by the plug.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electronic product charging device protected by a plug comprises a shell, two conductive columns and a socket, wherein heat dissipation holes are formed in the top wall and the bottom wall of the shell, a plurality of air inlet holes are symmetrically formed in the side wall, away from the conductive columns, of the shell, a plurality of circulation holes are symmetrically formed in the metal sliding plate, a one-way valve is arranged in each air inlet hole and each circulation hole, a conversion module is fixedly arranged on the inner side wall of the shell, a cylindrical power connection groove is formed in the conversion module, a chip is mounted in the middle of the shell, an annular power connection column matched with the cylindrical power connection groove is mounted at one end of the chip, two elastic winding springs are symmetrically arranged on the inner side wall of the shell, the two elastic winding springs are made of a two-way memory alloy material, a heat conduction abutting plate is fixedly connected between the two elastic winding springs and the chip, and a metal sliding plate is further arranged in the shell, be equipped with cooling mechanism between metal sliding plate and the chip, cooling mechanism includes elastic sealing body and two buffer layers, one side lateral wall and the metal sliding plate bonding of elastic sealing body, and elastic sealing body's sectional area is less than the sectional area of metal sliding plate, elastic sealing body's opposite side lateral wall meets with the chip activity, two the buffer layer is respectively through fixed strip seal mounting on the interior roof and the interior diapire of casing, two one side of buffer layer orientation chip all slides with the chip and offsets, two the buffer layer is wave structure, every utricule has all been placed in the buffer layer, and every equal sealed intercommunication has the liquid changing pipe between utricule and the elastic sealing body, contain the coolant liquid in utricule and the elastic sealing body, be equipped with warning mechanism between metal sliding plate and the casing.

Further, warning mechanism is including the transparent window of symmetry setting on the casing lateral wall, the metal sliding plate is the U-shaped, and the top of metal sliding plate and bottom all inlay and be equipped with the warning paster, and the area of two warning pasters all is greater than the area that corresponds transparent window, the metal sliding plate is kept away from and is connected with a plurality of springs between the inside wall of one side of leading electrical pillar and casing symmetrically.

Furthermore, two sealing rings are symmetrically installed on the side wall of the elastic sealing body, a through hole is formed in the middle of the metal sliding plate, the position of the through hole corresponds to the position of the two sealing rings, the chip is electrically connected with a conductor bundle, and the conductor bundle sequentially penetrates through the two sealing rings and is electrically connected with the socket after being perforated.

When the internal temperature of the plug is higher, the wave-shaped buffer layer automatically extends, the heat exchange area of the cooling liquid and the chip is increased, and the cooling efficiency is greatly improved; the air on the right side of the metal sliding plate flows towards the chip direction, so that the heat transfer is accelerated; when the interior of the plug is continuously high-temperature, the color at the transparent window is changed, and a user is warned; the plug is automatically cooled in the charging process, the charging speed of the plug is not influenced, the size of the plug is only slightly increased, and the portability of the plug can still be ensured.

Drawings

Fig. 1 is a schematic structural diagram of a plug-protected electronic product charging device according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a housing of a plug-protected electronic product charging device according to the present invention;

fig. 3 is a cross-sectional view of a buffer layer and an elastic sealing body in a plug-protected electronic product charging device according to the present invention;

fig. 4 is a schematic structural diagram of an elastic coil spring and a heat-conducting abutting plate in the plug-protected electronic product charging device according to the present invention;

fig. 5 is a schematic position diagram of a warning patch in the plug-protected electronic product charging device according to the present invention.

In the figure: the device comprises a shell 1, heat dissipation holes 2, conductive columns 3, transparent windows 4, sockets 5, air inlet holes 6, springs 7, metal sliding plates 8, wire bundles 9, elastic sealing bodies 10, buffer layers 11, chips 12, elastic winding springs 13, conversion modules 14, heat conduction abutting plates 15, fixing strips 16, circulation holes 17, sealing rings 18, annular power connection columns 19, a bag body 20, a liquid change pipe 21 and warning patches 22.

Detailed Description

Referring to fig. 1-2 and 4, a plug-protected electronic product charging device includes a housing 1, two conductive posts 3 and a socket 5, the socket 5 is adapted to an electronic product data line, a conversion module 14 is fixedly disposed on an inner side wall of the housing 1, a cylindrical power connection slot is disposed on the conversion module 14, a chip 12 is mounted in the middle of the housing 1, the chip 12 includes components required by a conventional charging device such as a triode, an input rectifier, a high-frequency transformer, an output voltage stabilizer, and an optical coupler feedback, the conversion module 14 plays a role of safely guiding positive and negative currents at the conductive posts 3 to the chip 12, and is an existing module, one end of the chip 12 is mounted with an annular power connection post 19 matched with the cylindrical power connection slot, and the two are connected through the annular power connection post 19, so that even if the chip 12 moves (within a certain distance), the chip 12 and the conversion module 14 can still be normally connected, two elastic winding springs 13 are symmetrically arranged on the inner side wall of the shell 1, heat conduction resisting plates 15 are fixedly connected between the two elastic winding springs 13 and the chip 12, the heat conduction resisting plates 15 are made of good heat conduction materials and can quickly transfer heat at the chip 12 to the elastic winding springs 13, a metal sliding plate 8 is further arranged in the shell 1, a cooling mechanism is arranged between the metal sliding plate 8 and the chip 12, and a warning mechanism is arranged between the metal sliding plate 8 and the shell 1;

the elastic winding spring 13 is made of a two-way memory alloy material, and has the characteristic of changing the shape of the elastic winding spring along with the change of temperature, for example, the transformation temperature of the nickel-titanium memory alloy is 40 ℃, when the temperature is higher than the transformation temperature, the nickel-titanium memory alloy can be quickly restored to a straight shape from a spiral shape, a bent shape or other shapes, when the temperature is lower than the transformation temperature, the nickel-titanium memory alloy can be quickly restored to an initial shape, the elastic winding spring 13 in the device is in an overlapped state at low temperature, and is straightened at higher temperature, wherein the transformation temperature of the elastic winding spring 13 has difference according to the different materials of the two-way memory alloy.

The top wall and the bottom wall of the shell 1 are both provided with heat dissipation holes 2, the side wall of the conductive column 3 of the shell 1 is symmetrically provided with a plurality of air inlet holes 6, the metal sliding plate 8 is symmetrically provided with a plurality of circulation holes 17, each air inlet hole 6 and the circulation hole 17 are internally provided with a one-way valve, under the action of the one-way valve, air between the metal sliding plate 8 (right side) and the shell 1 can only transfer to the direction of the chip 12 through the circulation holes 17, then the air is discharged out of the shell 1 through the heat dissipation holes 2, and outside air is supplemented between the metal sliding plate 8 (right side) and the shell 1 through the air inlet holes 6;

particularly, the circulation holes 17 are distributed at the edge of the metal sliding plate 8 to prevent the elastic sealing body 10 from blocking the circulation holes 17 when deforming, and the heat dissipation holes 2 are close to the middle of the housing 1, as shown in fig. 2, the heat dissipation holes 2 are staggered with the circulation holes 17, so that the airflow is discharged from the heat dissipation holes 2 after fully flowing around the chip 12, and the heat around the chip 12 is transferred outwards as much as possible.

Referring to fig. 2-3, the cooling mechanism includes an elastic sealing body 10 and two buffer layers 11, a side wall of one side of the elastic sealing body 10 is bonded to the metal sliding plate 8, a sectional area of the elastic sealing body 10 is smaller than a sectional area of the metal sliding plate 8, when the elastic sealing body 10 is extruded to a maximum deformation amount, the elastic sealing body does not cover the circulation hole 17 on the metal sliding plate 8, a side wall of the other side of the elastic sealing body 10 is movably connected to the chip 12, the two buffer layers 11 are respectively and sealingly mounted on the inner top wall and the inner bottom wall of the housing 1 through fixing strips 16, and one sides of the two buffer layers 11 facing the chip 12 are both slidably abutted to the chip 12.

As shown in fig. 3, two buffer layers 11 are the wave structure and have certain elasticity, can take place deformation, the wave structure has better buffering effect, when casing 1 receives the striking, buffer layer 11 can play the effect of eliminating power, violent vibrations can not take place for chip 12, thereby avoid the inside electronic components's of casing 1 leg department to take place to drop, utricule 20 has all been placed in every buffer layer 11, and all sealed intercommunication has liquid changing pipe 21 between every utricule 20 and the elastic sealing body 10, contain the coolant liquid in utricule 20 and the elastic sealing body 10.

Referring to fig. 5, the warning mechanism includes transparent windows 4 symmetrically disposed on the side wall of the housing 1, the metal sliding plate 8 is U-shaped, warning patches 22 are embedded at the top and the bottom of the metal sliding plate 8, the areas of the two warning patches 22 are larger than the areas of the corresponding transparent windows 4, and a plurality of springs 7 are symmetrically connected between one side of the metal sliding plate 8 away from the conductive column 3 and the inner side wall of the housing 1;

when the initial state temperature is low, the position of the warning patch 22 is staggered with the position of the transparent window 4, when the temperature is high, the metal sliding plate 8 slides rightwards, so that the warning patch 22 is opposite to the transparent window 4, a user can judge whether the temperature of the charging device is normal or not by observing the color of the transparent window 4, and the transparent window 4 is preferably made of a high-transparency or semi-transparent resin material, so that the high-toughness and the weight of the shell 1 are both good.

Two sealing rings 18 are symmetrically installed on the side wall of the elastic sealing body 10, as shown in fig. 3, a through hole is opened in the middle of the metal sliding plate 8, the through hole corresponds to the two sealing rings 18, the chip 12 is electrically connected with the wire bundle 9, the wire bundle 9 sequentially penetrates through the two sealing rings 18, and is electrically connected with the socket 5 after being perforated, and the wire bundle 9 can be bent.

When the temperature of the shell 1 is low, the positions of all the components in the shell 1 are shown in fig. 2, at this time, the buffer layer 11 is in a wave shape, the wave-shaped structure has a good buffer effect, when the shell 1 is impacted, the buffer layer 11 can play a role in eliminating force, and the chip 12 cannot vibrate violently, so that the phenomenon that the welding feet of electronic components in the shell 1 fall off or other problems are avoided, the positions of the warning patches 22 are staggered with the positions of the transparent windows 4, and the color of the transparent windows 4 is light;

when the temperature in the shell 1 is high (the chip 12 is a main heat source), the heat at the chip 12 is quickly transferred to the elastic winding spring 13 through the heat conduction resisting plate 15, and when the temperature of the elastic winding spring 13 reaches the abnormal temperature, the elastic winding spring 13 is changed from the overlapped state to the straight state, so that the chip 12 is pushed to move rightwards, in the process, the annular electric connection post 19 is continuously contacted with the cylindrical electric connection groove, and the use of the charging device is not influenced;

when the chip 12 moves rightwards, the elastic sealing body 10 is firstly extruded, the cooling liquid in the elastic sealing body enters the capsule body 20 through the liquid changing pipe 21, and the capsule body 20 expands, so that the wave-shaped buffer layer 11 extends, the contact area between the buffer layer 11 and the chip 12 is increased, the heat exchange area between the cooling liquid and the chip 12 is larger, and the cooling efficiency is greatly improved;

when the chip 12 continues to move rightwards, the elastic sealing body 10 reaches the maximum compression amount, the metal sliding plate 8 overcomes the deformation force of the spring 7 under the action of pressure, so that the chip moves rightwards, the space volume between the right side of the metal sliding plate 8 and the shell 1 is reduced, air in the area can move towards the chip 12 through the circulation hole 17, heat around the chip 12 is taken away, and then air flow is exhausted out of the shell 1 through the heat dissipation hole 2, so that heat transfer is accelerated;

if the temperature of the chip 12 is obviously reduced in the process, the elastic coil spring 13 can also recover the initial form, so that the chip 12 is reset, the cooling liquid flows back to the capsule body 20 under the action of the elastic force of the capsule body 20, the relative heat exchange area between the cooling liquid and the metal sliding plate 8 is increased at the moment, the metal sliding plate 8 can cool the cooling liquid in a short time, and in the process of resetting the metal sliding plate 8, outside air can also enter the shell 1 through the air inlet holes 6 to prepare for the next cooling process;

if the temperature of the elastic winding spring 13 is not lower than the transformation temperature in the above process, the metal sliding plate 8 is kept at the maximum displacement position, at this time, the position of the warning patch 22 corresponds to the position of the transparent window 4, and after the user observes the color change at the transparent window 4, the temperature of the charging device can be reduced or the charging device can be pulled out in other manners.

Claims

1. A plug-protected electronic product charging device comprises a shell (1), two conductive columns (3) and sockets (5), and is characterized in that heat dissipation holes (2) are formed in the top wall and the bottom wall of the shell (1), a plurality of air inlets (6) are symmetrically formed in the side wall, away from the conductive columns (3), of the shell (1), a plurality of circulation holes (17) are symmetrically formed in a metal sliding plate (8), one-way valves are arranged in the air inlets (6) and the circulation holes (17), a conversion module (14) is fixedly arranged on the inner side wall of the shell (1), a cylindrical power connection groove is formed in the conversion module (14), a chip (12) is mounted in the middle of the shell (1), an annular power connection column (19) matched with the cylindrical power connection groove is mounted at one end of the chip (12), two elastic winding springs (13) are symmetrically arranged on the inner side wall of the shell (1), the two elastic winding springs (13) are made of a two-way memory alloy material, a heat conduction abutting plate (15) is fixedly connected between the two elastic winding springs (13) and the chip (12), a metal sliding plate (8) is further arranged in the shell (1), a cooling mechanism is arranged between the metal sliding plate (8) and the chip (12), the cooling mechanism comprises an elastic sealing body (10) and two buffer layers (11), one side wall of the elastic sealing body (10) is bonded with the metal sliding plate (8), the sectional area of the elastic sealing body (10) is smaller than that of the metal sliding plate (8), the other side wall of the elastic sealing body (10) is movably connected with the chip (12), the two buffer layers (11) are respectively and hermetically installed on the inner top wall and the inner bottom wall of the shell (1) through fixing strips (16), and one sides of the two buffer layers (11) facing the chip (12) are both in sliding and abutting contact with the chip (12), two buffer layer (11) are the wave structure, every utricule (20) have all been placed in buffer layer (11), and every all sealed intercommunication has liquid changing pipe (21) between utricule (20) and elastic sealing body (10), contain the coolant liquid in utricule (20) and elastic sealing body (10), be equipped with warning mechanism between metal sliding plate (8) and casing (1).

2. The plug-protected electronic product charging device according to claim 1, wherein the warning mechanism includes transparent windows (4) symmetrically disposed on the side walls of the housing (1), the metal sliding plate (8) is U-shaped, warning patches (22) are embedded at the top and the bottom of the metal sliding plate (8), the areas of the two warning patches (22) are larger than the area of the corresponding transparent window (4), and a plurality of springs (7) are symmetrically connected between one side of the metal sliding plate (8) away from the conductive posts (3) and the inner side wall of the housing (1).

3. The plug-protected electronic product charging device according to claim 1, wherein the side wall of the elastic sealing body (10) is symmetrically provided with two sealing rings (18), the middle of the metal sliding plate (8) is provided with a through hole, the through hole corresponds to the two sealing rings (18), the chip (12) is electrically connected with the wire harness (9), and the wire harness (9) sequentially penetrates through the two sealing rings (18) and is electrically connected with the socket (5) after being perforated.