Wireless power transmitter
By designing a light and thinning radio energy transmitter, using the combined structure of coil disk, Leeds wire, partition, ferrite and cover plate, the existing radio energy transmitters have been solved in terms of heat dissipation and structural problems, achieving thinning and stability of the equipment, reducing costs and avoiding interference.
Patent Information
- Application Number
- CN202421541178.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-02
AI Technical Summary
Existing radio energy transmitters have problems in heat dissipation and structural problems, resulting in increased equipment costs and interference between the vehicle and the transmitter, damaging the radio energy generator.
A thinner radio transmitter is designed, which includes coil discs, Leeds wires, partitions, ferrites and covers. Through the Leeds wires, the structure of the barrier and partition frame edges reduces the overall height and reduces the difficulty of making.
The lightness and stability of the radio energy transmitter is achieved, the equipment costs are reduced, and interference with cars is avoided, and the equipment reliability is improved.
Smart Images
Figure CN222884399U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wireless charging structures, in particular to a wireless power transmitter. Background Art
[0002] The existing wireless charging mechanism suitable for automobile energy storage batteries includes a wireless power receiver built into the car body and a wireless power transmitter located outside the car body. The existing conventional setting places the wireless power transmitter on the ground, which is generally an embedded part. However, after embedding, the heat dissipation of the wireless power transmitter will be greatly affected, so it has to be equipped with additional heat dissipation equipment. Obviously, this operation will significantly increase the equipment cost; however, based on the relatively thick thickness of the existing wireless power transmitter, when it is directly set on the ground, a car with a lower chassis will interfere with the wireless power transmitter, thereby damaging the wireless power generator. For this reason, the lightweight wireless power generator has received more and more attention from the industry. Based on this, this case develops a lightweight wireless power transmitter. Summary of the invention
[0003] In view of the above problems, the utility model provides a wireless power transmitter, which has a simple structure and makes the whole device light and thin, thus facilitating subsequent assembly operations.
[0004] A wireless power transmitter, characterized in that it comprises:
[0005] A coil disk, comprising a panel and surrounding panels, wherein a Litz wire guide rib is arranged on the lower surface of the panel, a partition frame is arranged on the outer periphery of the Litz wire guide rib, a pair of threading holes is arranged on one side of the surrounding panels, the threading holes are located at the lower area of the Litz wire guide rib, and the Litz wire guide rib is specifically a structure in which a central area is vacant and a plurality of layers of rounded rectangular ribs are arranged on the periphery;
[0006] Litz wire;
[0007] Partitions;
[0008] Ferrite;
[0009] and cover plates;
[0010] The coil disk is mounted on the upper surface of the cover plate, a component mounting cavity is formed between the lower surface of the panel, the partition frame edge, and the upper surface of the cover plate, a ferrite is placed on the upper surface of the cover plate, and the partition cover is mounted on the upper surface of the ferrite. After the Litz wire is wound along the Litz wire guide rib, the two wire ends are respectively passed through a pair of threading holes, and the ferrite and the partition corresponding to the area connected to the Litz wire through the threading hole from the inside to the outside are set as a notch area;
[0011] The width area of the Litz wire guide rib corresponding to the pair of threading holes is a notch portion, and the notch portion is used for the Litz wire winding and diameter changing operation;
[0012] After being assembled in place, the low points of the coil parts of the non-connected threading holes of the Litz wire are all in contact with the upper surface of the partition, the partition frame edge is shaped like the appearance of the ferrite and the partition, the partition frame edge covers the outer edges of the ferrite and the partition, and the partition frame edge is provided with a notch groove corresponding to the position of the threading hole.
[0013] It is further characterized by:
[0014] The surrounding panels of the coil disk cover the outer edges of the cover plate. The four sides of the cover plate are respectively provided with first positioning holes penetrating in the thickness direction. The first positioning holes are countersunk holes. The coil disk is provided with a plurality of positioning threaded holes on the periphery corresponding to the separation frame edge. The positioning threaded holes and the first positioning holes are arranged one by one. The screws penetrate the first positioning holes from bottom to top and then are fastened to the positioning threaded holes, thereby ensuring a stable and reliable connection.
[0015] A pair of wiring holes are also provided with sealing joints, which ensure that the position of the Litz wire will not be easily changed after it is connected, and ensure that it is waterproof and dustproof;
[0016] The four corners of the coil disk are provided with concave corners corresponding to the positions of the positioning threaded holes, and the concave corners ensure that the entire structure is not easily damaged by knocks and collisions;
[0017] The ferrite is formed by splicing together a number of small ferrite pieces, which reduces the cost and can be adaptively combined according to the position of the notch.
[0018] After adopting the above technical scheme, the inlet and outlet ends of the Litz wire are placed in the notch area formed by the ferrite and the partition, the overall height is relatively reduced, and the width area of the Litz wire guide rib corresponding to a pair of threading holes is the notch part, and the notch part is used for the Litz wire winding and diameter changing operation, so that the Litz wire guide rib no longer needs to be provided with a diameter changing baffle, which reduces the difficulty of making the coil box; its structure is simple, and the whole equipment is light and thin, which is convenient for subsequent assembly operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0020] Figure 2 The three-dimensional exploded diagram of the utility model is shown in FIG. Figure 1 ;
[0021] Figure 3 The three-dimensional exploded diagram of the utility model is shown in FIG. Figure 2 ;
[0022] The names corresponding to the serial numbers in the figure are as follows:
[0023] Coil disk 10, panel 11, enclosure 12, Litz wire guide rib 13, notch portion 131, partition frame edge 14, notch groove 141, threading hole 15, reinforcing rib 16, concave corner 17, positioning threaded hole 18, Litz wire 20, partition 30, ferrite 40, small ferrite 41, cover plate 50, first positioning hole 51, sealing joint 60, notch area 70, screw 80. DETAILED DESCRIPTION
[0024] Wireless power transmitters, see Figure 1-Figure 3 , which includes a coil disk 10, a Litz wire 20, a partition 30, a ferrite 40, a cover plate 50, and a pair of sealing joints 60;
[0025] The coil disk 10 includes a panel 11 and surrounding panels 12. A Litz wire guide rib 13 is arranged on the lower surface of the panel 11. A partition frame 14 is also arranged on the periphery of the Litz wire guide rib 13. The outermost Litz wire uses the upper inner wall of the partition frame 14 as the Litz wire guide rib of the outer circle. A pair of threading holes 15 are arranged on one side of the surrounding panels 12. The height of the threading holes 15 is located in the lower area of the Litz wire guide rib 13. The Litz wire guide rib 13 is specifically a structure in which the central area is vacant and a plurality of layers of rounded rectangular ribs are arranged on the periphery. The width area of the Litz wire guide rib 13 corresponding to the pair of threading holes 15 is a notch portion 131. The notch portion 131 is used for the winding and diameter changing operation of the Litz wire 20. When it is implemented, a plurality of reinforcing ribs 16 are arranged in the central area of the Litz wire guide rib 13 to increase the stability of the entire coil disk 10.
[0026] The cover plate 50 is specifically an aluminum cover plate;
[0027] The upper surface of the cover plate 50 is shaped to be covered with a coil disk 10, and a component installation cavity is formed between the lower surface of the panel 11, the partition frame edge 14, and the upper surface of the cover plate 50. The ferrite 40 is placed on the upper surface of the cover plate 50, and the partition plate 30 is covered on the upper surface of the ferrite 40. After the Litz wire 20 is wound along the Litz wire guide rib 13, the two wire ends are respectively passed through a pair of threading holes 15. The area of the ferrite 40 and the partition plate 30 corresponding to the Litz wire connected to the threading hole 15 from the inside to the outside is set as a notch area 70;
[0028] After being assembled in place, the low points of the coil parts of the non-connected threading holes of the Litz wire 20 are all in contact with the upper surface of the partition 30, and the partition frame 14 is shaped like the outer shape of the ferrite 40 and the partition 30. The partition frame 14 covers the outer edges of the ferrite 40 and the partition 30. The partition frame 14 is provided with a notch groove 141 corresponding to the position of the threading hole 15.
[0029] In specific implementation: the surrounding panels 12 of the coil disk 10 cover the outer edges of the cover plate 50 to form an edge seal, and the four sides of the cover plate 50 are respectively provided with first positioning holes 51 penetrating in the thickness direction, and the first positioning holes 51 are countersunk holes. The coil disk 10 is provided with a plurality of positioning threaded holes 18 corresponding to the periphery of the partition frame 14, and the positioning threaded holes 18 and the first positioning holes 51 are arranged one by one, and the screws 80 penetrate the first positioning holes 51 from bottom to top and are fastened to the positioning threaded holes 18, which ensures a stable and reliable connection;
[0030] A sealing joint 60 is also provided on the pair of wiring holes 15, and the sealing joint 60 ensures that the position of the Litz wire 20 will not be easily changed after being connected, and ensures waterproof and dustproof;
[0031] The four corners of the coil disk 10 are provided with indented corners 17 corresponding to the positions of the positioning threaded holes 18, and the indented corners 17 ensure that the entire structure is not easily damaged by knocks and collisions;
[0032] The ferrite 40 is formed by assembling a plurality of small ferrites 41 , which reduces the cost and can be combined according to the position of the notch.
[0033] Its working principle is as follows: the inlet and outlet ends of the Litz wire are placed in the notch area formed by the ferrite and the partition, the overall height is relatively reduced, and the width area of the Litz wire guide rib corresponding to a pair of threading holes is the notch part, and the notch part is used for the Litz wire winding and diameter changing operation, so that the Litz wire guide rib no longer needs to be equipped with a diameter changing baffle, which reduces the difficulty of making the coil box.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A wireless power transmitter, characterized in that It includes: A coil disk, comprising a panel and surrounding panels, wherein a Litz wire guide rib is arranged on the lower surface of the panel, a partition frame is arranged on the outer periphery of the Litz wire guide rib, a pair of threading holes is arranged on one side of the surrounding panels, the threading holes are located at the lower area of the Litz wire guide rib, and the Litz wire guide rib is specifically a structure in which a central area is vacant and a plurality of layers of rounded rectangular ribs are arranged on the periphery; Litz wire; Partitions; Ferrite; and cover plates; The coil disk is mounted on the upper surface of the cover plate, a component mounting cavity is formed between the lower surface of the panel, the partition frame edge, and the upper surface of the cover plate, a ferrite is placed on the upper surface of the cover plate, and the partition cover is mounted on the upper surface of the ferrite. After the Litz wire is wound along the Litz wire guide rib, the two wire ends are respectively passed through a pair of threading holes, and the ferrite and the partition corresponding to the area connected to the Litz wire through the threading hole from the inside to the outside are set as a notch area; The width area of the Litz wire guide rib corresponding to the pair of threading holes is a notch portion, and the notch portion is used for the Litz wire winding and diameter changing operation; After being assembled in place, the low points of the coil parts of the non-connected threading holes of the Litz wire are all in contact with the upper surface of the partition, the partition frame edge is shaped like the appearance of the ferrite and the partition, the partition frame edge covers the outer edges of the ferrite and the partition, and the partition frame edge is provided with a notch groove corresponding to the position of the threading hole.
2. The wireless power transmitter according to claim 1, characterized in that: The surrounding panels of the coil disk cover the outer edges of the cover plate. The four sides of the cover plate are respectively provided with first positioning holes penetrating in the thickness direction. The first positioning holes are countersunk holes. The coil disk is provided with a plurality of positioning threaded holes on the periphery corresponding to the separation frame edge. The positioning threaded holes and the first positioning holes are arranged one by one. The screws penetrate the first positioning holes from bottom to top and are then fastened to the positioning threaded holes.
3. The wireless power transmitter according to claim 1, characterized in that: A pair of wiring holes is also provided with sealing joints.
4. The wireless power transmitter according to claim 2, characterized in that: The four corners of the coil disk are provided with indented corners corresponding to the positions of the positioning threaded holes.
5. The wireless power transmitter according to claim 1, characterized in that: The ferrite is formed by splicing together a number of small ferrite pieces.