Wireless electric energy transmission coil magnetism gathering shielding structure

Abstract

The utility model provides a wireless electric energy transmission coil magnetism gathering shielding structure, which comprises a mounting shell, a plurality of electromagnetic coils are inserted into the mounting shell, the plurality of electromagnetic coils are all inserted into the mounting shell, the top end of the mounting shell is detachably connected with a shielding cover, and the shielding cover is detachably connected with the mounting shell. Limiting columns for fixing the multiple electromagnetic coils are inserted into the bottom end of the shielding cover in a penetrating mode, multiple elastic pieces for limiting the multiple limiting columns are inserted into the inner side of the mounting shell in a penetrating mode, and the bottom ends of the multiple elastic pieces are all fixedly connected with bearing columns. The position, close to the bottom end, of the mounting shell is rotationally connected with a rotating disc which drives the multiple elastic pieces to lose limiting on the limiting columns at the same time, the multiple bearing columns all penetrate through the rotating disc, under cooperation of the elastic pieces and the rotating disc, the multiple limiting columns are limited by the multiple elastic pieces, and the rotating disc is used for driving the multiple elastic pieces to lose limiting on the limiting columns; therefore, the shielding case can be quickly mounted and dismounted under the cooperation of the elastic piece and the rotating disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to coil assembly technical field especially relates to a wireless power transmission coil magnetic shielding structure. BACKGROUND

[0002] The wireless power transmission coil magnetic shielding structure refers to a special structure designed in the WPT system to improve energy transmission efficiency, reduce electromagnetic leakage and reduce electromagnetic interference on the external environment. It is usually composed of high magnetic permeability material, which can concentrate and guide the magnetic field, so that the magnetic field is concentrated as much as possible between the transmitting coil and the receiving coil, instead of spreading to the surrounding space.

[0003] In the patent with publication number CN220208726U, a transmission coil assembly with a magnetic shielding structure is disclosed, which includes a framework clamped inside the protective cover for limiting, the side of the protective cover is connected with a shielding cover for shielding through bolts, the side of the shielding cover is provided with heat dissipation holes for heat dissipation, the inner wall of the heat dissipation holes is fixedly connected with a filter screen for filtering, the side of the shielding cover is fixedly connected with a fixing column for connection, although the transmission coil is shielded by the shielding cover, and the transmission coil is cooled by the filter screen and the heat dissipation holes, but after a long time of use, dust will block the filter screen, at this time, the filter screen needs to be removed and cleaned, and the shielding cover is connected with the protective cover through a plurality of fixing columns and a plurality of nuts, and is connected by bolts, when the protective cover is removed, the plurality of nuts need to be unscrewed in turn, the process is relatively cumbersome, and the fixing column and the nut are prone to wear after a long time of use, which causes inconvenience to disassembly and fixing.

[0004] Therefore, it is necessary to provide a new wireless power transmission coil magnetic shielding structure to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a wireless power transmission coil magnetic shielding structure.

[0006] The wireless power transmission coil magnetic shielding structure provided by the utility model comprises an installation shell, a plurality of electromagnetic coils are inserted into the installation shell, the plurality of electromagnetic coils are inserted into the installation shell, a shielding cover is detachably connected to the top end of the installation shell, a limiting column for fixing the plurality of electromagnetic coils is inserted into the bottom end of the shielding cover, a plurality of elastic pieces for limiting the plurality of limiting columns are inserted into the inner side of the installation shell, a plurality of receiving columns are fixedly connected to the bottom end of the plurality of elastic pieces, a rotating disc for driving the plurality of elastic pieces to lose the limiting of the limiting column at the same time is rotatably connected to the adjacent bottom end of the installation shell, and the plurality of receiving columns all penetrate the rotating disc.

[0007] Preferably, the elastic member comprises a sliding block, one side of the sliding block is inserted into the limiting column, the other side of the sliding block is fixedly connected with a spring, the other end of the spring is fixedly connected to the side wall of the inner cavity of the mounting shell, the bottom end of the sliding block is integrally connected with a receiving plate, and a receiving column is fixedly connected to the lower end surface of the receiving plate.

[0008] Preferably, the limiting column is provided with a groove adjacent to one side of the sliding block, the sliding block is inserted into the groove, and the bottom end of the sliding block is a horizontal surface, and the side wall of the sliding block is inclined.

[0009] Preferably, the plurality of electromagnetic coils and the plurality of limiting columns are arranged in a circle with the center of the mounting shell, and the plurality of electromagnetic coils and the plurality of limiting columns are distributed alternately.

[0010] Preferably, a plurality of through holes are formed in the rotating disc, the horizontal cross sections of the plurality of through holes are in the shape of a circular arc, and the radius of the through hole is greater than the radius of the rotating disc, when the sliding block is inserted into the groove, the side wall of the receiving column is in close contact with one end of the side wall of the through hole, and the other end of the through hole is adjacent to the inner side wall of the rotating disc.

[0011] Preferably, a plurality of ventilation holes are formed in the shielding cover, and a dust screen is detachably connected to the shielding cover adjacent to the plurality of ventilation holes.

[0012] Compared with the related art, the wireless power transmission coil magnetic gathering shielding structure has the following beneficial effects:

[0013] The wireless power transmission coil magnetic gathering shielding structure provided by the utility model cooperates the elastic member with the rotating disc, a plurality of elastic members limit a plurality of limiting columns, and the rotating disc drives the plurality of elastic members to lose the limitation of the limiting columns, so that the wireless power transmission coil magnetic gathering shielding structure is quickly installed and disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a whole structure schematic diagram of wireless power transmission coil magnetic gathering shielding structure;

[0015] Figure 2 The utility model provides a shielding cover structure schematic diagram of wireless power transmission coil magnetic gathering shielding structure;

[0016] Figure 3 The utility model provides a part structure plan view of wireless power transmission coil magnetic gathering shielding structure;

[0017] Figure 4 The utility model provides a part structure section view of wireless power transmission coil magnetic gathering shielding structure.

[0018] The figure mark: 1, install shell; 2, plug hole; 3, electromagnetic coil; 4, shield cover; 5, limit post; 6, elastic piece; 601, sliding block; 602, spring; 7, bearing post; 8, rotating disc; 9, recess; 10, bearing plate; 11, through hole; 12, air vent; 13, dust screen; 14, storage cavity. DETAILED DESCRIPTION

[0019] The utility model will be further explained below in combination with the drawings and embodiments.

[0020] Please combine with Figure 1 Figure 4 , wherein, Figure 1 It is the whole structure schematic diagram of wireless power transmission coil magnetic shielding structure provided by the utility model; Figure 2 It is the shield cover structure schematic diagram of wireless power transmission coil magnetic shielding structure provided by the utility model; Figure 3 It is the partial structure plan view of wireless power transmission coil magnetic shielding structure provided by the utility model; Figure 4 It is the partial structure section view of wireless power transmission coil magnetic shielding structure provided by the utility model.

[0021] In the specific implementation process, a wireless power transmission coil magnetic shielding structure, structure as Figure 1 Figure 4 Shown, including: install shell 1, install shell 1 in and set up multiple plug holes 2 in circumferential arrangement, install shell 1 in and insert multiple electromagnetic coils 3, multiple electromagnetic coils 3 all insert to install shell 1, install shell 1 top end snap connection has shield cover 4, shield cover 4 bottom end and insert multiple electromagnetic coils 3 fixed limit post 5, multiple limit posts 5 and plug hole 2 one to one, install shell 1 inside and insert multiple elastic pieces 6 for the limiting of multiple limit posts 5, multiple elastic pieces 6 bottom end all welding connection has bearing post 7, install shell 1 adjacent bottom end place rotationally connected with the rotating disc 8 of driving multiple elastic pieces 6 simultaneously lose the limiting of limit post 5, multiple bearing posts 7 all penetrate rotating disc 8;

[0022] Need to explain is when needing to install shield cover 4, just multiple limit posts 5 insert to plug hole 2, multiple limit posts 5 respectively to multiple elastic pieces 6 are extruded at this time, until multiple limit posts 5 penetrate install shell 1, at this time, elastic piece 6 is inserted to limit post 5 under the action of its own elasticity, under the limiting of multiple elastic pieces 6 to multiple limit posts 5, shield cover 4 cannot separate from install shell 1, when needing to remove shield cover 4, just rotating rotating disc 8, rotating disc 8 is driven multiple elastic pieces 6 shrink through multiple bearing posts 7 at this time, elastic piece 6 loses the limiting of bearing post 7, shield cover 4 can be removed.

[0023] Structure as Figure 4 ​​As shown, the elastic member 6 includes a sliding block 601, which is inserted into the limiting column 5 on one side, and a spring 602 welded on the other side of the sliding block 601, and the other end of the spring 602 is welded to the side wall of the inner cavity of the mounting shell 1, and the bottom end of the sliding block 601 is integrally connected with the receiving plate 10, and the receiving column 7 is fixedly connected to the lower end surface of the receiving plate 10.

[0024] As shown in the structure, Figure 2 The limiting column 5 is provided with a groove 9 adjacent to one side of the sliding block 601, and the sliding block 601 is inserted into the groove 9, and the bottom end of the sliding block 601 is a horizontal surface, and the side wall of the sliding block 601 is inclinedly arranged.

[0025] It should be noted that the bottom end of the limiting column 5 is rotatably connected with a steel ball, and a plurality of receiving cavities 14 are formed in the mounting shell 1, and the plurality of sliding blocks 601 are slidably connected in the receiving cavities 14, and the longitudinal section of the sliding block 601 is a right triangle, and one of the right angles of the right triangle is attached to the bottom wall of the groove 9, and when the limiting column 5 is inserted into the insertion hole 2, the bottom end of the limiting column 5 exerts pressure on the inclined side wall of the sliding block 601, and at this time the steel ball is attached to the side wall of the sliding block 601, and since the steel ball is rotatably connected to the bottom end of the limiting column 5, the steel ball rotates at the bottom end of the limiting column 5 under the friction force between the steel ball and the sliding block 601, thereby avoiding abrasion between the bottom end of the limiting column 5 and the side wall of the sliding block 601.

[0026] The plurality of electromagnetic coils 3 and the plurality of limiting columns 5 are arranged in a circle with the center of the mounting shell 1, and the plurality of electromagnetic coils 3 and the plurality of limiting columns 5 are arranged alternately.

[0027] As shown in the structure, Figure 3 The rotating disc 8 is provided with a plurality of through holes 11, the horizontal section of the plurality of through holes 11 is a circular arc, the radius of the through hole 11 is greater than the radius of the rotating disc 8, and the through hole 11 is eccentric to the rotating disc 8, and when the sliding block 601 is inserted into the groove 9, the side wall of the receiving column 7 is attached to one end of the through hole 11, and the other end of the through hole 11 is adjacent to the inner side wall of the rotating disc 8.

[0028] It should be noted that since the radius of the through hole 11 is greater than the radius of the rotating disc 8, and the through hole 11 is eccentric to the rotating disc 8, when the rotating disc 8 rotates, the side wall of the rotating disc 8 drives the receiving column 7 to move, thereby driving the receiving plate 10 to slide along the bottom wall of the receiving cavity 14, and driving the sliding block 601 to contract, so that the sliding block 601 loses the limiting of the limiting rod, and the shielding cover 4 can be removed.

[0029] As shown in the structure, Figure 1 , Figure 2 The shielding cover 4 is provided with a plurality of ventilation holes 12, and the shielding cover 4 is detachably connected with a dust screen 13 adjacent to the plurality of ventilation holes 12.

[0030] It should be noted that the plurality of electromagnetic coils 3 are cooled through the ventilation holes 12, and the dust screen 13 prevents dust from entering the shield cover 4, thereby preventing the dust from changing the resistance of the electromagnetic coils 3 and affecting the magnetic field generated by the electromagnetic coils 3.

[0031] The working principle of the utility model is as follows: when the shield cover 4 needs to be installed, only the plurality of limiting columns 5 need to be inserted into the plug-in holes 2, at this time, the plurality of limiting columns 5 respectively extrude the plurality of sliding blocks 601, the sliding blocks 601 extrude the springs 602, until the plurality of limiting columns 5 penetrate the installation shell 1, at this time, the sliding blocks 601 are inserted into the limiting columns 5 under the action of the elasticity of the springs 602, under the limiting of the plurality of sliding blocks 601 to the plurality of limiting columns 5, the shield cover 4 cannot be separated from the installation shell 1, when the shield cover 4 needs to be removed, only the rotating disc 8 needs to be rotated, the rotating disc 8 drives the plurality of supporting plates 10 and the plurality of sliding blocks 601 to exert pressure on the springs 602 through the plurality of supporting columns 7, so that the springs 602 contract, at this time, the plurality of sliding blocks 601 lose the limiting of the supporting columns 7 corresponding thereto, so that the shield cover 4 can be removed.

[0032] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed here.

[0033] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A magnetic shielding structure for a wireless power transmission coil, characterized in that, The device includes a mounting shell (1), in which multiple electromagnetic coils (3) are inserted. The multiple electromagnetic coils (3) are inserted into the mounting shell (1). A shielding cover (4) is detachably connected to the top of the mounting shell (1). A limiting post (5) for fixing the multiple electromagnetic coils (3) is inserted at the bottom of the shielding cover (4). Multiple elastic elements (6) for limiting the multiple limiting posts (5) are inserted inside the mounting shell (1). A receiving post (7) is fixedly connected to the bottom of the multiple elastic elements (6). A turntable (8) is rotatably connected near the bottom of the mounting shell (1) to drive the multiple elastic elements (6) to simultaneously lose the limiting post (5). The multiple receiving posts (7) all pass through the turntable (8).

2. The magnetic shielding structure for wireless power transmission coils according to claim 1, characterized in that, The elastic element (6) includes a slider (601), one side of which is inserted into the limiting post (5), and the other side of which is fixedly connected to a spring (602). The other end of the spring (602) is fixedly connected to the inner wall of the mounting shell (1). The bottom end of the slider (601) is integrally connected to a receiving plate (10), and the receiving post (7) is fixedly connected to the lower end face of the receiving plate (10).

3. The magnetic shielding structure for wireless power transmission coils according to claim 2, characterized in that, The limiting post (5) has a groove (9) on the side adjacent to the slider (601). The slider (601) is inserted into the groove (9), and the bottom of the slider (601) is horizontal, and the side wall of the slider (601) is inclined.

4. The magnetic shielding structure for wireless power transmission coils according to claim 3, characterized in that, The multiple electromagnetic coils (3) and the multiple limiting posts (5) are arranged in a circle around the center of the mounting shell (1), and the multiple electromagnetic coils (3) and the multiple limiting posts (5) are distributed alternately.

5. The magnetic shielding structure for wireless power transmission coils according to claim 4, characterized in that, The turntable (8) has multiple through holes (11) inside. The horizontal cross-section of each of the multiple through holes (11) is arc-shaped, and the radius of the through hole (11) is greater than the radius of the turntable (8). When the slider (601) is inserted into the groove (9), the side wall of the receiving column (7) is exactly in contact with the side wall of one end of the through hole (11), and the other end of the through hole (11) is adjacent to the inner side wall of the turntable (8).

6. The magnetic shielding structure for wireless power transmission coils according to claim 5, characterized in that, The shield (4) has multiple ventilation holes (12) inside, and a dustproof net (13) can be detachably connected to the shield (4) near the multiple ventilation holes (12).

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