Wireless charging structure and wireless charging equipment

Abstract

The utility model discloses a wireless charging structure and wireless charging equipment, and the structure comprises a housing which is internally provided with an installation space; the circuit board and the coil magnetic sheet assembly are stacked in the mounting space; wherein the inner side wall of the shell is provided with a fixing part and a positioning part, the circuit board and the shell are assembled and connected through the fixing part, the coil magnetic sheet assembly is provided with an adapting part, one of the positioning part and the adapting part is an adapting hole, the other one of the positioning part and the adapting part is a positioning bulge, and the adapting hole is assembled and connected with the positioning bulge, so that the coil magnetic sheet assembly and the shell are fixedly assembled. According to the technical scheme provided by the utility model, the technical problems of relatively complex component composition and relatively high cost of a wireless charging structure in the prior art can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless charging technical field especially relates to a wireless charging structure and wireless charging device. BACKGROUND

[0002] Wireless charging is through electromagnetic induction principle, and wireless charging equipment's transmitting coil and charged equipment's receiving coil pass through magnetic field transmission energy between, reach the effect of wireless charging to equipment.

[0003] The part composition of the existing wireless charging structure is relatively complex, and the cost is high. UTILITY MODEL CONTENT

[0004] The utility model provides a wireless charging structure and wireless charging device, aims at effectively solving the part composition of wireless charging structure in prior art is relatively complex, and the cost is high technical problem.

[0005] According to the first aspect of the utility model, the utility model provides a wireless charging structure, include: the shell is formed with installation space in it, circuit board and coil magnetic sheet subassembly are stacked in the installation space, wherein, the inner side wall of the shell is equipped with fixed part and positioning part, the circuit board is connected with the fixed part of the shell through assembly, the coil magnetic sheet subassembly is equipped with the adaptation part, one of the positioning part and the adaptation part is the adaptation hole, and the other is the positioning protruding, the adaptation hole is connected with the positioning protruding with assembly, to be used for realizing the fixed assembly of the coil magnetic sheet subassembly and the shell.

[0006] According to the second aspect of the utility model, the utility model further provides a wireless charging equipment, including the wireless charging structure described above.

[0007] Through one embodiment or multiple embodiments in the above embodiment in the utility model, at least the following technical effects can be realized:

[0008] In the technical scheme disclosed by the utility model, the adaptation part is arranged on the coil magnetic sheet subassembly, so that the coil magnetic sheet subassembly can be directly fixed and assembled with the lower shell through the adaptation part, so that other parts are not needed to fix the coil magnetic sheet subassembly, which reduces the use of parts of the wireless charging structure, simplifies the part composition of the wireless charging structure, and reduces the cost of the wireless charging structure. BRIEF DESCRIPTION OF DRAWINGS

[0009] The technical scheme and other beneficial effects of the utility model will be obvious by combining the specific implementation manners of the utility model with the drawings.

[0010] Figure 1 The front view of the wireless charging structure provided by the utility model embodiment is shown.

[0011] Figure 2 An exploded view of the wireless charging structure is provided for the embodiments of the present application.

[0012] Figure 3 To Figure 1 A sectional view along the E-E direction. BRIEF DESCRIPTION OF DRAWINGS

[0014] 1, lower shell; 11, fixed part; 12, positioning part; 121, first protrusion; 122, second protrusion; 2, circuit board; 21, positioning hole; 22, through hole; 3, coil magnetic sheet assembly; 31, adapter; 4, upper shell; 5, connecting structure; 51, buckle; 52, card hole. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0016] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the term "and / or" in this paper is only a description of the association relationship of the associated objects, which means that there can be three kinds of relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents an "or" relationship between the associated objects without special explanation.

[0017] Wireless charging is based on the principle of electromagnetic induction. Energy is transmitted between the transmitting coil of the wireless charging device and the receiving coil of the charged device through a magnetic field, achieving the effect of wireless charging of the device.

[0018] The existing wireless charging structure has a relatively complex part composition and high cost.

[0019] The embodiments of the present application provide a wireless charging structure and a wireless charging device, which can simplify the wireless charging structure, save the parts required for additional coil fixation, and thus reduce the cost of the wireless charging structure.

[0020] Figure 1The utility model discloses wireless charging structure provided by an embodiment of the utility model, including: the inside formation has installation space of casing, and circuit board 2 and coil magnetic sheet subassembly 3 are stacked and set in installation space, wherein, the inside wall of casing is equipped with fixed part 11 and positioning part 12, and circuit board 2 and casing are assembled and connected through fixed part 11, and coil magnetic sheet subassembly 3 is equipped with adaptation part 31, and one of positioning part 12 and adaptation part 31 is adaptation hole, and the other is positioning convex, and adaptation hole and positioning convex assemble and connect, to be used for realizing the fixed assembly of coil magnetic sheet subassembly 3 and casing.

[0021] The wireless charging structure provided by the embodiment can directly fix and assemble the coil magnetic sheet subassembly 3 through the adaptation part 31 and the lower casing 1, so that other parts are not needed to fix the coil magnetic sheet subassembly 3, the use of parts of the wireless charging structure is reduced, the part composition of the wireless charging structure is simplified, and the cost of the wireless charging structure is reduced.

[0022] Specifically, the wireless charging structure includes a lower casing 1, a fixed part 11, a positioning part 12, a circuit board 2, a coil magnetic sheet subassembly 3, an upper casing 4, and a connecting structure 5. The lower casing 1 and the upper casing 4 are assembled to form a casing through the connecting structure 5, and an installation space is formed between the lower casing 1 and the upper casing 4. One side of the lower casing 1 is a fixed surface, and the fixed part 11 and the positioning part 12 are arranged on the fixed surface. The circuit board 2 is arranged on the fixed surface of the lower casing 1, and the circuit board 2 and the lower casing 1 are fixedly assembled through the fixed part 11. The coil magnetic sheet subassembly 3 is arranged on the side of the circuit board 2 away from the lower casing 1. The circuit board 2 is provided with a through hole 22, the positioning part 12 passes through the circuit board 2 through the through hole 22, the coil magnetic sheet subassembly 3 is provided with an adaptation part 31 matched with the positioning part 12, and the coil magnetic sheet subassembly 3 and the lower casing 1 are fixedly assembled through the adaptation part 31 and the fixed part 11. The connecting structure 5 is arranged on the lower casing 1 or / and the upper casing 4, and the lower casing 1 and the upper casing 4 are fixedly assembled through the fixed part.

[0023] In some embodiments, the fixed part 11 is a positioning column, the circuit board 2 is provided with a positioning hole 21 matched with the positioning column, and the circuit board 2 and the lower casing 1 are fixedly assembled through the positioning column and the positioning hole 21.

[0024] In the embodiment, the circuit board 2 is a printed circuit board, the fixed part 11, i.e., the positioning column, has four, which are respectively located at four corners of the lower casing 1. Similarly, four positioning holes 21 are arranged at four corners of the circuit board 2, which are respectively assembled with the four positioning columns.

[0025] The circuit board 2 is fixed with the lower shell 1 by using the positioning column and the positioning hole 21 in cooperation, without using other parts on the circuit board 2 to fix the circuit board 2, thereby saving the part use of the wireless charging structure, and in the embodiment, the positioning column is integrally formed with the lower shell 1, and such a positioning column exists on the lower shell 1 after the production of the lower shell 1, without using other parts to fix the circuit board 2 and the lower shell 1, thereby further saving the part use of the wireless charging structure, simplifying the part composition of the wireless charging structure, and reducing the cost of the wireless charging structure.

[0026] In other embodiments, the positioning column is not integrally formed with the lower shell 1, and the positioning column is fixedly arranged on the lower shell 1, and in addition, the fixing part 11 can also be a buckle structure.

[0027] In some embodiments, the positioning part 12 is a positioning protrusion, the positioning protrusion is matched with the adapting part 31, and the coil magnetic sheet assembly 3 and the lower shell 1 are fixedly assembled through the adapting part 31 and the positioning protrusion.

[0028] In the embodiment, the coil magnetic sheet assembly 3 is fixed with the lower shell 1 by using the positioning protrusion and the adapting part 31 in cooperation, without using other parts on the coil magnetic sheet assembly 3 to fix the circuit board 2, thereby saving the part use of the wireless charging structure, and in the embodiment, the positioning column is integrally formed with the lower shell 1, and such a positioning column exists on the lower shell 1 after the production of the lower shell 1, without using other parts to fix the circuit board 2 and the lower shell 1, thereby further saving the part use of the wireless charging structure, simplifying the part composition of the wireless charging structure, and reducing the cost of the wireless charging structure.

[0029] In other embodiments, the positioning protrusion is not integrally formed with the lower shell 1, and the positioning protrusion is fixedly arranged on the lower shell 1, and in addition, the positioning part 12 can also be a metal or non-metal screw and nut structure.

[0030] In some embodiments, in the case that the adapting part 31 of the coil magnetic sheet assembly 3 is an adapting hole, the positioning protrusion includes a first protrusion 121 and a second protrusion 122 connected with each other, the second protrusion 122 is arranged on a side of the first protrusion 121 away from the lower shell 1, a cross section of the second protrusion 122 is smaller than that of the first protrusion 121, to form a support step surface at the connection of the two, the second protrusion 122 is matched with the through hole 22, the second protrusion 122 passes through the circuit board 2, and the second protrusion 122 is matched with the adapting hole.

[0031] In the embodiment, the second protrusion 122 is adapted to the adapter 31, and the cross section of the second protrusion 122 is smaller than that of the first protrusion 121, so that the coil magnetic sheet assembly 3 cannot pass through the first protrusion 121 while the circuit board 2 passes through the second protrusion 122, and the coil magnetic sheet assembly 3 can only exist on the second protrusion 122, so that the coil magnetic sheet assembly 3 and the circuit board 2 are not attached to each other, which is beneficial to heat dissipation of the coil magnetic sheet assembly 3 and the circuit board 2, and can prevent the coil magnetic sheet assembly 3 and the circuit board 2 from being electrically connected to each other to cause failure of the wireless charging structure.

[0032] In some embodiments, the through hole 22 of the circuit board 2 is located at the central part of the circuit board 2; and / or, the adapter 31 is arranged at the central part of the coil magnetic sheet assembly 3.

[0033] In the embodiment, the through hole 22 is arranged at the central part of the circuit board 2, which is beneficial to uniform heat dissipation of the circuit board 2.

[0034] In addition, in the embodiment, the inner wall of the through hole 22 is attached to the first protrusion 121, that is, the through hole 22 is adapted to the first protrusion 121, so that the first protrusion 121 can also support the circuit board 2, and the first protrusion 121 and the positioning column support the circuit board 2 at the same time, which can improve the stability of the circuit board 2.

[0035] In some embodiments, the end surface of the second protrusion 122 away from the first protrusion 121 is in abutment with the upper shell 4.

[0036] In the embodiment, the lower shell 1 is in abutment with the upper shell 4 through the first protrusion 121 and the second protrusion 122, so that when the upper shell 4 / lower shell 1 is subjected to force, the force can be directly transmitted to the lower shell 1 / upper shell 4, thereby reducing the force borne by the circuit board 2 and the coil magnetic sheet assembly 3, and improving the drop resistance of the wireless charging structure.

[0037] In some embodiments, the adapter 31 is arranged at the central part of the coil magnetic sheet assembly 3.

[0038] In the embodiment, the adapter 31 is arranged at the central part of the coil magnetic sheet assembly 3, which is beneficial to uniform heat dissipation of the coil magnetic sheet assembly 3.

[0039] In some embodiments, the first connecting part is a clamping hole 52, and the second connecting part is a clasp 51, the clamping hole and the clasp are connected together in clamping connection; the clasp 51 is arranged on the lower shell 1, and the upper shell 4 is provided with the clamping hole 52 adapted to the clasp 51; or, the clasp 51 is arranged on the upper shell 4, and the lower shell 1 is provided with the clamping hole 52 adapted to the clasp 51.

[0040] In the embodiment, the buckle 51 is arranged on the lower shell 1, and the upper shell 4 is provided with a clamping hole 52 matched with the buckle 51, so that the lower shell 1 and the upper shell 4 can be fixed conveniently and stably.

[0041] In some embodiments, the coil magnetic sheet assembly 3 is attached to the upper shell 4 away from the circuit board 2.

[0042] In the embodiment, the coil magnetic sheet assembly 3 is attached to the upper shell 4, so that the upper shell 4 can limit the coil magnetic sheet assembly 3, thereby further fixing the coil magnetic sheet assembly 3 on the lower shell 1 and improving the stability of the coil magnetic sheet assembly 3.

[0043] The embodiment of the present application also provides a wireless charging device comprising the wireless charging structure described in any of the above embodiments.

[0044] In conclusion, although the utility model has disclosed as above with preferred embodiments, the above preferred embodiments are not used to limit the utility model, and the ordinary skilled in the art can make various changes and decorations without departing from the spirit and scope of the utility model, so the protection scope of the utility model is subject to the range defined by the claims.

Claims

1. A wireless charging structure, characterized by, The wireless charging structure comprises: a shell, an installation space is formed in the shell; a circuit board and a coil magnetic sheet assembly are arranged in the installation space in a laminated manner; wherein a fixing portion and a positioning portion are arranged on the inner side wall of the shell, the circuit board and the shell are assembled and connected through the fixing portion, an adapting portion is arranged on the coil magnetic sheet assembly, one of the adapting portion and the positioning portion is an adapting hole, and the other is a positioning protrusion, the adapting hole and the positioning protrusion are assembled and connected to realize the fixed assembly of the coil magnetic sheet assembly and the shell.

2. The wireless charging structure of claim 1, wherein, The fixing portion is a positioning column, a positioning hole matched with the positioning column is arranged on the circuit board, and the positioning column and the positioning hole are connected.

3. The wireless charging structure of claim 1, wherein, The shell comprises an upper shell and a lower shell which are connected in a matched manner, the lower shell has a fixing surface facing the upper shell, the fixing portion and the positioning portion are arranged on the fixing surface, the circuit board is close to the fixing surface relative to the coil magnetic sheet assembly, and a through hole is arranged on the circuit board to allow the positioning protrusion to pass through and be inserted into the adapting hole.

4. The wireless charging structure of claim 3, wherein, In the case where the adapting portion of the coil magnetic sheet assembly is the adapting hole, the positioning protrusion comprises a first protrusion and a second protrusion which are connected with each other, the second protrusion is arranged on the side of the first protrusion away from the fixing surface, the cross section of the second protrusion is smaller than that of the first protrusion to form a support step surface at the connection position of the two protrusions, the second protrusion is matched with the through hole, and the second protrusion is matched with the adapting hole.

5. The wireless charging structure of claim 4, wherein an end surface of the second protrusion away from the first protrusion abuts against the upper shell.

6. The wireless charging structure of claim 3, wherein, The wireless charging structure further comprises: a connecting structure comprising a first connecting portion and a second connecting portion which are connected with each other, the first connecting portion is arranged on the upper shell, and the second connecting portion is arranged on the lower shell.

7. The wireless charging structure of claim 6, wherein, The first connecting portion is a clamping hole, the second connecting portion is a clasp, and the clamping hole and the clasp are connected together in a clamping manner.

8. The wireless charging structure of claim 3, wherein the through hole of the circuit board is located at the central part of the circuit board, and / or the adapting portion is arranged at the central part of the coil magnetic sheet assembly.

9. The wireless charging structure of claim 1, wherein the side of the coil magnetic sheet assembly away from the circuit board is attached to the shell.

10. A wireless charging device, comprising: The wireless charging structure comprises the wireless charging structure according to any one of claims 1-9.

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