CN214314602U - Wireless charging device - Google Patents

Abstract

The application is suitable for the technical field of charging, provides a wireless charging device, including lower cover, upper cover and coil module. The upper cover is covered on the lower cover and encloses with the lower cover to form an accommodating space, and the coil module is accommodated in the accommodating space. The coil module comprises a magnetic spacer, a second magnet, a coil and a rolling assembly. The second magnet and the coil are arranged on the magnetic separation sheet, and the coil surrounds the outer side of the second magnet; the rolling component is rotationally connected to the magnetic separation sheet; the second magnet drives the rolling component to roll in the accommodating space under the driving of the first magnet so as to drive the coil to move. The application provides a wireless charging device, when treating charging equipment and place on wireless charging device, because second magnet and first magnet magnetism are connected, and this second magnet can remove under driving about of first magnet to can drive the rolling subassembly and roll in accommodation space, remove with the drive coil, and then make the coil can with treat the position correction of the coil in the charging equipment and overlap the alignment.

Description

Wireless charging device

Technical Field

The application belongs to the technical field of charging, and more specifically relates to a wireless charging device.

Background

The traditional mobile power supply needs to be connected with a data line when charging a mobile phone, so that the mobile phone is very inconvenient to use and carry.

The existing wireless charging product basically sets up the wireless coil of filling inside the product, needs the user oneself to correct the position of cell-phone to make the induction coil of cell-phone correspond the position of wireless coil of filling, when charging the cell-phone promptly at every turn, all need to correct the cell-phone position, but there is the error in the manual operation, can cause induction coil's position and the position of wireless coil of filling to have the deviation, can reduce charge efficiency to a certain extent, causes the extension of charging time.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a wireless charging device, so as to solve the technical problem that the position of a mobile phone needs to be corrected by a human hand when the mobile phone is charged by the existing wireless charging device.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the wireless charging device is used for being in contact with equipment to be charged so as to charge, a first magnet is arranged in the equipment to be charged, and the wireless charging device comprises a lower cover, an upper cover and a coil module; the upper cover is covered on the lower cover and forms an accommodating space with the lower cover in an enclosing manner, and the coil module is accommodated in the accommodating space; the coil module includes:

the magnetic spacer is arranged between the lower cover and the upper cover;

the second magnet is arranged on the magnetic separation sheet;

the coil is arranged on the magnetic separation sheet and surrounds the outer side of the second magnet; and

the rolling assembly is rotationally connected to the magnetic separation sheet;

the second magnet is driven by the first magnet to drive the rolling component to roll in the accommodating space so as to drive the coil to move.

Optionally, the rolling assembly comprises:

the ball bearings penetrate through the magnetic separation sheet and are respectively matched with the upper cover and the lower cover in a rolling manner;

the stud penetrates through the magnetic separation sheet and is provided with a through hole for accommodating the ball; and

and the nut is in threaded connection with the threaded end of the stud extending out of the magnetic separation piece.

Optionally, the number of the rolling assemblies is multiple, and the multiple rolling assemblies surround the outer side of the coil and are arranged at intervals to form a first rolling group and a second rolling group; the coil module still includes:

the positive plate is arranged on the magnetic separation plate and is electrically connected with the first rolling group and the positive end of the coil respectively; and

and the negative plate is arranged on the magnetic separator and is opposite to the positive plate, and the negative plate is respectively and electrically connected with the second rolling group and the negative end of the coil.

Optionally, the positive electrode piece is provided with a first through hole into which the positive end of the coil extends, and the negative electrode piece is provided with a second through hole into which the negative end of the coil extends.

Optionally, the wireless charging device further includes:

the upper positive conducting strip is arranged in the upper cover and is used for keeping electric connection with the first rolling group when the first rolling group rolls; and

and the upper negative conducting strip is arranged in the upper cover and is used for keeping electric connection with the second rolling group when rolling with the second rolling group.

Optionally, a first blocking element is disposed in the upper cover and used for isolating the upper positive conductive sheet from the upper negative conductive sheet, and the first blocking element is used for isolating the first rolling group from the second rolling group.

Optionally, the shape and size of the upper positive conductive sheet are the same as those of the upper negative conductive sheet, and the first blocking member is located in the middle of the upper cover.

Optionally, the wireless charging device further includes:

the lower positive conducting strip is arranged in the lower cover and is used for keeping electric connection with the first rolling group when the first rolling group rolls; and

and the lower negative conducting strip is arranged in the lower cover and is electrically connected with the second rolling group when the second rolling group rolls.

Optionally, a second blocking element is disposed in the lower cover and used for isolating the lower positive conductive plate from the lower negative conductive plate, and the second blocking element is used for isolating the first rolling group from the second rolling group.

Optionally, the shape and size of the lower positive conductive plate are the same as those of the lower negative conductive plate, and the second blocking member is located in the middle of the lower cover.

The application provides a wireless charging device's beneficial effect lies in: compared with the prior art, this application wireless charging device, when placing the battery charging outfit on wireless charging device, because second magnet is connected with first magnet magnetism, and this second magnet can be at first magnet drive down the removal, thereby can drive the roll subassembly and roll along covering on and/or covering down, in order to drive the coil removal, and then make the coil can with treat the position correction of the coil in the battery charging outfit and overlap the alignment, when having solved current wireless charging device and charging the cell-phone, the technical problem that the cell-phone position was corrected to the staff, to a great extent has improved wireless convenience of filling the product to the user, the life demand has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a wireless charging device and a device to be charged according to an embodiment of the present disclosure;

fig. 2 is an exploded schematic view of a wireless charging device and a device to be charged according to an embodiment of the present disclosure;

fig. 3 is a schematic perspective view of a coil module according to an embodiment of the present disclosure;

fig. 4 is an exploded view of a coil module according to an embodiment of the present disclosure;

FIG. 5 is a schematic perspective view of a rolling assembly used in an embodiment of the present application;

FIG. 6 is an exploded view of a rolling assembly according to an embodiment of the present disclosure;

fig. 7 is an exploded schematic view of the upper cover, the upper positive conductive sheet, and the upper negative conductive sheet according to the embodiment of the present disclosure;

fig. 8 is an exploded schematic view of the lower cover, the lower positive conductive sheet and the lower negative conductive sheet according to the embodiment of the present disclosure;

fig. 9 is a first schematic perspective view illustrating a contact structure between a wireless charging device and a device to be charged according to an embodiment of the present application;

fig. 10 is a schematic perspective view illustrating a second contact structure between a wireless charging device and a device to be charged according to an embodiment of the present application;

fig. 11 is a third schematic perspective view of a contact structure between a wireless charging device and a device to be charged according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. a lower cover; 11. a lower positive conducting plate; 12. a lower negative conducting strip; 13. a second barrier; 2. an upper cover; 21. A positive conducting plate is arranged; 22. an upper negative conducting strip; 23. a first barrier; 3. a coil module; 31. a magnetic spacer; 32. a coil; 321. a positive terminal of the coil; 322. a negative terminal of the coil; 33. a second magnet; 34. a rolling component; 341. a first scrolling group; 342. a second scrolling group; 343. a ball bearing; 344. a stud; 345. a nut; 35. a positive plate; 351. a first through hole; 36. a negative plate; 361. a second through hole; 4. a device to be charged; 410. mounting a plate; 411. an induction coil; 412. a first magnet; 42. a housing.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 thus should not be considered as limiting the present application.

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 present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2 and fig. 9 together, a wireless charging device according to an embodiment of the present application will be described. And the wireless charging device is used for contacting with the equipment to be charged 4 to charge. In this embodiment, the device to be charged 4 is a mobile phone, but of course, in other embodiments, the device to be charged 4 may also be other devices with the wireless coil 32. A first magnet 412 is provided in the device to be charged 4.

Specifically, further referring to fig. 2 and 3, the wireless charging apparatus includes a lower cover 1, an upper cover 2, and a coil module 3. The upper cover 2 covers the lower cover 1 and encloses with the lower cover 1 to form an accommodating space, and the coil module 3 is accommodated in the accommodating space. The coil module 3 includes a magnetic spacer 31, a second magnet 33, a coil 32, and a rolling member 34. Wherein, the magnetic spacer 31 is arranged between the lower cover 1 and the upper cover 2; second magnet 33 is provided on magnetic spacer 31; the coil 32 is disposed on the magnetic spacer 31 and surrounds the outside of the second magnet 33; the rolling assembly 34 is rotatably connected to the magnetic spacer 31; the second magnet 33 is driven by the first magnet 412 to drive the rolling component 34 to roll in the accommodating space, so as to drive the coil 32 to move. The specific working principle is as follows:

with further reference to fig. 9 and fig. 11, when the device 4 to be charged is placed on the wireless charging device, under the driving of the magnetism of the first magnet 412, the second magnet 33 moves toward the first magnet 412, and the second magnet 33 moves to drive the rolling component 34 to roll in the accommodating space, so as to drive the coil 32 on the wireless charging device to move, and further, the position of the rolling component is aligned with the position of the induction coil 411 on the device 4 to be charged, so as to implement the wireless charging function.

The application provides a wireless charging device, compared with the prior art, when placing rechargeable devices 4 on wireless charging device, because second magnet 33 is connected with first magnet 412 magnetism, and this second magnet 33 can remove under driving about of first magnet 412, thereby can drive rolling subassembly 34 and roll in accommodation space, in order to drive coil 32 and remove, and then make coil 32 can with the position correction of the induction coil 411 of waiting in the rechargeable devices 4 overlap and align, when having solved current wireless charging device and charging to the cell-phone, need the technical problem of cell-phone position to be corrected to the staff, to a great extent has improved wireless convenience of filling the product to the user, the life demand has been improved.

It should be noted that, the device to be charged 4 includes the casing 42, the induction coil 411 and the first magnet 412 are both located in the casing 42, a mounting plate is provided on the device to be charged, the induction coil and the first magnet are both located on the mounting plate, and the induction coil is enclosed in the outer side of the first magnet.

In another embodiment of the present application, referring to fig. 4 and 6, the rolling assembly 34 includes a ball 343, a stud 344, and a nut 345. The ball 343 is arranged on the magnetic separation sheet 31 in a penetrating way and is respectively matched with the upper cover 2 and the lower cover 1 in a rolling way; the stud 344 penetrates through the magnetic separation sheet 31, and the stud 344 is provided with a through hole for accommodating the ball 343; nut 345 is threadably coupled to the threaded end of stud 344 that extends beyond magnetic spacer 31. The ball 343 is rotatably connected to the magnetic diaphragm 31 by the nut 345 engaged with the stud 344, so as to move the coil 32 on the magnetic diaphragm 31. It should be noted that the through hole of the stud 344 is a through hole, so that the ball 343 can be accommodated inside the through hole and can be respectively matched with the upper cover 2 and the lower cover 1 in a rolling manner.

In another embodiment of the present application, referring to fig. 2, the rolling assemblies 34 are plural, and the plural rolling assemblies 34 surround the outside of the coil 32 and are spaced apart from each other to form a first rolling group 341 and a second rolling group 342, wherein the number of the balls 343 in the first rolling group 341 is two and is located on one side of the coil 32, and correspondingly, the number of the second rolling group 342 is two and is located on the other side of the coil 32.

The coil module 3 further includes a positive electrode tab 35 and a negative electrode tab 36. Wherein, the positive pole piece 35 is arranged on the magnetic separation piece 31, and the positive pole piece 35 is respectively and electrically connected with the first rolling group 341 and the positive pole end 321 of the coil 32; negative electrode tab 36 is disposed on magnetic separator sheet 31 and opposite positive electrode tab 35, and negative electrode tab 36 is electrically connected to second rolling group 342 and negative electrode terminal 322 of coil 32, respectively. The current passes through the first rolling group 341, the positive pole piece 35 to the positive pole end 321 of the coil 32, and the current is transmitted in the coil 32 to the negative pole end 322 of the coil 32, then from the negative pole end 322 to the negative pole piece 36, and then to the second rolling group 342. It should be noted that the first rolling group 341 and the second rolling group 342 need to be conductive, and may be made of a conductive material, for example, a metal material such as copper, silver, etc., so as to form an electrical connection relationship with the corresponding pole piece.

Specifically, in this embodiment, with reference to fig. 4, the positive electrode tab 35 is provided with a first through hole 351 into which the positive electrode end 321 of the coil 32 extends, and the negative electrode tab 36 is provided with a second through hole 361 into which the negative electrode end 322 of the coil 32 extends. The positive pole piece 35 is provided with a first through hole 351, and the positive pole end 321 of the coil 32 extends into the first through hole 351, so that the positive pole end 321 of the coil and the positive pole piece 35 can form an electric connection relation while the coil 32 is fixed; correspondingly, the second through hole 361 is formed in the negative electrode sheet 36, and the negative end 322 of the coil 32 extends into the second through hole 361, so that the negative end 322 of the coil 32 and the negative electrode sheet 36 can be electrically connected while the coil 32 is fixed.

In another embodiment of the present application, referring to fig. 2 and 7, since the coil module 3 is movable in the accommodating space, the rolling assembly 34 may contact the upper cover 2 under the magnetic attraction of the second magnet 33 and the first magnet 412, and the wireless charging device further includes an upper positive conductive plate 21 and an upper negative conductive plate 22 for supplying power to the positive plate 35 and the negative plate 36. The upper positive conducting strip 21 is disposed in the upper cover 2 and is electrically connected to the first rolling group 341 when the first rolling group 341 rolls; the upper negative conductive plate 22 is disposed in the upper cover 2, and is electrically connected to the second rolling group 342 when rolling with the second rolling group 342.

It should be noted that the upper positive conductive plate 21 is electrically connected to a circuit board (not shown in the figure), so that the positive plate 35 can be powered through the first rolling group 341, and the upper negative conductive plate 22 is also electrically connected to the circuit board, so that the negative plate 36 can be powered through the second rolling group 342. And go up positive conducting strip 21 and last negative conducting strip 22 and be the sheet structure, the area is great, can guarantee that roll subassembly 34 moves to arbitrary position, can provide the power for corresponding positive plate 35 and negative pole piece 36, compare in present and couple together circuit board and positive plate 35 and negative pole piece 36 electricity through the wire, when can avoiding the circuit to be connected with the pole piece through fixed conducting strip, because the removal of positive plate 35 and negative pole piece 36, probably make the circuit walk the line more complicated, avoid the winding together.

Wherein a circuit board is disposed on the side of magnetic separator 31 facing lower cover 1, and the circuit of the circuit board can be prevented from contacting positive plate 35 and negative plate 36 by magnetic separator 31.

In another embodiment of the present application, further referring to fig. 7, a first blocking member 23 is disposed inside the upper cover 2 for isolating the upper positive conductive sheet 21 from the upper negative conductive sheet 22, and the first blocking member 23 is for isolating the first rolling group 341 from the second rolling group 342. The first blocking member 23 is made of an insulating material, and disposed in the upper cover 2 to separate the upper positive conductive sheet 21 from the upper negative conductive sheet 22, so as to prevent the two from contacting each other, and prevent the first rolling group 341 and the second rolling group 342 from rolling onto the same conductive sheet, thereby causing a short circuit.

Further, the shape and size of the upper positive conducting strip 21 are the same as those of the upper negative conducting strip 22, that is, the upper positive conducting strip 21 and the upper negative conducting strip 22 are rectangular, the first blocking piece 23 is located in the middle of the upper cover 2, the shapes and sizes of the upper positive conducting strip 21 and the upper negative conducting strip 22 are set to be the same, the rolling assembly 34 can conveniently move on the upper positive conducting strip 21 and the upper negative conducting strip 22 at the same positions, and the electrical connection relationship is guaranteed.

In another embodiment of the present application, referring to fig. 2 and 8, in order to further ensure that the rolling assembly 34 can provide power to the pole pieces when rotating, the wireless charging device further includes a lower positive conductive plate 11 and a lower negative conductive plate 12. The lower positive conducting strip 11 is arranged in the lower cover 1 and is electrically connected with the first rolling group 341 when the first rolling group 341 rolls; the lower negative conductive plate 12 is disposed in the lower cover 1 and is electrically connected to the second rolling group 342 when the second rolling group 342 rolls. Under the magnetic attraction effect of the second magnet 33 on the first magnet 412, the rolling assembly 34 may contact with the lower lid 1, and by arranging the lower positive conducting plate 11 and the lower negative conducting plate 12, the lower positive conducting plate 11 and the lower negative conducting plate 12 are electrically connected to the circuit board, respectively, so that the lower positive conducting plate 11 may supply power to the positive plate 35 through the first rolling group 341, and the lower negative conducting plate 12 may supply power to the negative plate 36 through the second rolling group 342. And the lower positive conducting strip 11 and the lower negative conducting strip 12 are both in a sheet shape, and have larger areas, so that the rolling assembly 34 can be ensured to roll to any position and can be contacted with the corresponding conducting strips to supply power to the corresponding pole pieces, and the structure is simple.

In another embodiment of the present application, referring further to fig. 8, a second blocking member 13 is disposed in the lower cover 1 for isolating the lower positive conductive sheet 11 from the lower negative conductive sheet 12, and the second blocking member 13 is for isolating the first rolling group 341 from the second rolling group 342. The second blocking member 13 is made of an insulating material and disposed in the lower cover 1 to isolate the lower positive conductive sheet 11 from the lower negative conductive sheet 12, so as to prevent the two from contacting each other, and prevent the first rolling group 341 and the second rolling group 342 from rolling onto the same conductive sheet, thereby causing a short circuit.

Further, the shape and size of the lower positive conducting strip 11 are the same as those of the lower negative conducting strip 12, that is, the lower positive conducting strip 11 and the lower negative conducting strip 12 are rectangular, the second blocking piece 13 is located in the middle of the lower cover 1, the shapes and sizes of the lower positive conducting strip 11 and the lower negative conducting strip 12 are set to be the same, the rolling assembly 34 can move on the lower positive conducting strip 11 and the lower negative conducting strip 12 in the same position, and the electrical connection relationship is guaranteed.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A wireless charging device, is used for contacting with waiting to charge equipment (4) in order to charge, be provided with first magnet (41) in waiting to charge equipment (4), its characterized in that: the wireless charging device comprises a lower cover (1), an upper cover (2) and a coil module (3); the upper cover (2) is arranged on the lower cover (1) in a covering manner and surrounds the lower cover (1) to form an accommodating space, and the coil module (3) is accommodated in the accommodating space; the coil module (3) comprises:

a magnetic spacer (31) provided between the lower cover (1) and the upper cover (2);

a second magnet (33) provided on the magnetic spacer (31);

a coil (32) provided on the magnetic spacer (31) and surrounding the outside of the second magnet (33); and

a rolling assembly (34) rotatably connected to the magnetic spacer (31);

the second magnet (33) is driven by the first magnet (41) to drive the rolling component (34) to roll in the accommodating space so as to drive the coil (32) to move.

2. The wireless charging apparatus of claim 1, wherein: the rolling assembly (34) comprises:

the ball bearings (343) are arranged on the magnetic spacers (31) in a penetrating mode and are respectively matched with the upper cover (2) and the lower cover (1) in a rolling mode;

the stud (344) penetrates through the magnetic separation piece (31), and a through hole for accommodating the ball (343) is formed in the stud (344); and

and the nut (345) is in threaded connection with the threaded end, extending out of the magnetic spacer (31), of the stud (344).

3. The wireless charging apparatus of claim 1 or 2, wherein: the rolling assemblies (34) are multiple in number, and the rolling assemblies (34) are arranged around the outer side of the coil (32) at intervals to form a first rolling group (341) and a second rolling group (342); the coil module (3) further comprises:

a positive electrode plate (35) provided on the magnetic separator (31), the positive electrode plate (35) being electrically connected to the first rolling group (341) and the positive end (321) of the coil (32), respectively; and

and the negative electrode sheet (36) is arranged on the magnetic separation sheet (31) and is opposite to the positive electrode sheet (35), and the negative electrode sheet (36) is respectively and electrically connected with the second rolling group (342) and the negative electrode end (322) of the coil (32).

4. The wireless charging apparatus of claim 3, wherein: the positive pole piece (35) is provided with a first through hole (351) for the positive pole end (321) of the coil (32) to extend into, and the negative pole piece (36) is provided with a second through hole (361) for the negative pole end (322) of the coil (32) to extend into.

5. The wireless charging apparatus of claim 3, wherein: the wireless charging device further includes:

the upper positive conducting strip (21) is arranged in the upper cover (2) and is used for keeping electric connection with the first rolling group (341) when the first rolling group (341) rolls; and

and the upper negative conducting strip (22) is arranged in the upper cover (2) and is used for keeping electric connection with the second rolling group (342) when the upper negative conducting strip rolls with the second rolling group (342).

6. The wireless charging apparatus of claim 5, wherein: a first blocking piece (23) is arranged in the upper cover (2) and used for isolating the upper positive conducting strip (21) and the upper negative conducting strip (22), and the first blocking piece (23) is used for isolating the first rolling group (341) and the second rolling group (342).

7. The wireless charging apparatus of claim 6, wherein: the shape and the size of the upper positive conducting strip (21) are the same as those of the upper negative conducting strip (22), and the first barrier (23) is located in the middle of the upper cover (2).

8. The wireless charging apparatus of any one of claims 5 to 7, wherein: the wireless charging device further includes:

the lower positive conducting strip (11) is arranged in the lower cover (1) and is used for keeping electric connection with the first rolling group (341) when the first rolling group (341) rolls; and

and the lower negative conducting strip (12) is arranged in the lower cover (1) and is used for keeping electric connection with the second rolling group (342) when the second rolling group (342) rolls.

9. The wireless charging apparatus of claim 8, wherein: and a second blocking piece (13) is arranged in the lower cover (1) and used for isolating the lower positive conducting strip (11) and the lower negative conducting strip (12), and the second blocking piece (13) is used for isolating the first rolling group (341) and the second rolling group (342).

10. The wireless charging apparatus of claim 9, wherein: the shape and the size of the lower positive conducting strip (11) are the same as those of the lower negative conducting strip (12), and the second barrier piece (13) is located in the middle of the lower cover (1).

Images