CN216530737U - Wireless relay coil assembly and repeater that charge - Google Patents
Wireless relay coil assembly and repeater that charge Download PDFInfo
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- CN216530737U CN216530737U CN202123160726.6U CN202123160726U CN216530737U CN 216530737 U CN216530737 U CN 216530737U CN 202123160726 U CN202123160726 U CN 202123160726U CN 216530737 U CN216530737 U CN 216530737U
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- coil
- magnetism isolating
- isolating sheet
- receiving coil
- transmitting coil
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Abstract
The utility model provides a wireless charging relay coil assembly and a relay, which comprise a receiving coil, a transmitting coil, a first magnetism isolating sheet and a second magnetism isolating sheet; the first magnetism isolating sheet is attached to the receiving coil; the second magnetism isolating sheet is attached to the transmitting coil; the first magnetism isolating sheet and the second magnetism isolating sheet are attached in opposite directions, the first magnetism isolating sheet is attached to the opposite surface of the receiving coil wireless charging receiving surface, and the second magnetism isolating sheet is attached to the opposite surface of the transmitting coil transmitting surface; the receiving coil is connected in series or in parallel with the transmitting coil. So set up, receiving coil can turn into the electric energy with received electromagnetic energy and export for transmitting coil in real time, and transmitting coil can change the electric energy into alternating magnetic field again and can export outward, increases the transmission distance that wirelessly charges.
Description
Technical Field
The utility model relates to the technical field of wireless charging, in particular to a wireless charging relay coil assembly and a relay.
Background
Wireless charging is because of its can realize the wireless ization between the supply unit who charges and the power consumption receiving equipment for it can solve the power cord on the desktop and many and disorderly problem, has received home consumer's favor more and more. However, wireless charging systems in the market at present are based on Qi, the charging distance of the Qi wireless charging system is only 5mm-8mm, and most of thicknesses of table tops are generally between 15mm-30mm, so that the existing wireless charging products can be solved only by drilling holes under the table tops and embedding the wireless charger into the table, but the drilling holes not only damage the structure of the table and affect the appearance, but also consume manpower and man-hours. Meanwhile, the wireless charger is required to be arranged in a desk hole, so that popularization and application of the wireless charger in the aspects of office and home are greatly influenced. It is therefore particularly important to create an intermediate reinforcing member that is suitable for use with thicker table tops and that does not require a hole to be cut to break the structure of the table top.
SUMMERY OF THE UTILITY MODEL
In view of the above, a wireless charging relay coil assembly and a relay capable of increasing a charging distance of a wireless charger are provided.
A wireless charging relay coil assembly comprises a receiving coil, a transmitting coil, a first magnetism isolating sheet and a second magnetism isolating sheet; the first magnetism isolating sheet is attached to the receiving coil; the second magnetism isolating sheet is attached to the transmitting coil; the first magnetism isolating sheet and the second magnetism isolating sheet are attached in opposite directions, the first magnetism isolating sheet is attached to the opposite surface of the receiving coil wireless charging receiving surface, and the second magnetism isolating sheet is attached to the opposite surface of the transmitting coil transmitting surface; the receiving coil is connected in series or in parallel with the transmitting coil.
In one embodiment, the receive coil is larger than the transmit coil. In this embodiment, since the receiving coil is far from the wireless charger and the magnetic field spreads, a larger receiving coil is needed to acquire more magnetic field energy. The receiving coil being larger than the transmitting coil is here understood to mean that the coverage of the receiving coil is larger than the coverage of the transmitting coil. For the receiving coil and the transmitting coil having a circular ring shape, it is also understood that the radius of the receiving coil is larger than the radius of the transmitting coil.
In one embodiment, the receiving coil comprises a first wire end and a second wire end for external electrical connection; the transmitting coil comprises a third wire end and a fourth wire end which are used for being electrically connected to the outside; when the receiving coil is connected with the transmitting coil in series, the first wire end is electrically connected with the fourth wire end, and the second wire end is electrically connected with the third wire end; when the receiving coil is connected with the transmitting coil in parallel, the first wire end is electrically connected with the third wire end, and the second wire end is electrically connected with the fourth wire end.
In one embodiment, the first wire end is an end of an outermost turn of the receiving coil, and the second wire end is an end of an innermost turn of the receiving coil. The third wire end is a terminal of an outermost circle of the transmitting coil, and the fourth wire end is a terminal of an innermost circle of the transmitting coil.
In one embodiment, when the receiving coil is connected in series with the transmitting coil, the direction of the induced magnetic field of the receiving coil is the same as that of the transmitting coil, and when the receiving coil is connected in parallel with the transmitting coil, the direction of the induced magnetic field of the receiving coil is opposite to that of the transmitting coil.
In one embodiment, the device further comprises a resonant capacitor; when the receiving coil is connected in series with the transmitting coil, the resonant capacitor is connected in series between the first line end and the fourth line end, or between the second line end and the third line end; when the receiving coil is connected in parallel with the transmitting coil, the resonant capacitor is connected in series between the first line end and the third line end, or between the second line end and the fourth line end.
In one embodiment, the receiving coil and the transmitting coil are both circular rings, and the inner diameter of the circular ring of the receiving coil is larger than the outer diameter of the circular ring of the transmitting coil; the receiving coil and the transmitting coil are arranged in the same plane, and the transmitting coil is arranged in the middle of the receiving coil; the first magnetism isolating sheet is in a ring shape, and the inner diameter of the ring of the first magnetism isolating sheet is larger than the outer diameter of the ring of the transmitting coil.
In one embodiment, the receiving coil and the second magnetism isolating sheet are located in the same plane. The transmitting coil and the first magnetism isolating sheet are located in the same plane range.
In one embodiment, the first magnetism isolating sheet and the second magnetism isolating sheet are located in the same plane, and the receiving coil and the transmitting coil are located on two sides of the plane respectively.
In one embodiment, the inner diameter of the ring of the first magnetism isolating sheet is smaller than the inner diameter of the ring of the receiving coil, and the outer diameter of the ring of the first magnetism isolating sheet is larger than the outer diameter of the ring of the receiving coil.
In one embodiment, the second magnetism isolating sheet is in a shape of a circular sheet, and the diameter of the second magnetism isolating sheet is smaller than or equal to the inner diameter of a circular ring of the first magnetism isolating sheet and larger than the outer diameter of the circular ring of the transmitting coil.
In one embodiment, the device further comprises a filter circuit; when the receiving coil is connected in series with the transmitting coil, the filter circuit is connected in series between the first line end and the fourth line end, or between the second line end and the third line end; when the receiving coil is connected in parallel with the transmitting coil, the filter circuit is connected in series between the first line end and the third line end, or between the second line end and the fourth line end.
The wireless charging relay coil assembly comprises a receiving coil, a transmitting coil, a first magnetism isolating sheet and a second magnetism isolating sheet, wherein the first magnetism isolating sheet is attached to the receiving coil, the second magnetism isolating sheet is attached to the transmitting coil, the attaching directions of the first magnetism isolating sheet and the second magnetism isolating sheet are opposite, the first magnetism isolating sheet is attached to the opposite surface of the wireless charging receiving surface of the receiving coil, and the second magnetism isolating sheet is attached to the opposite surface of the transmitting coil; the receiving coil is connected in series or in parallel with the transmitting coil. So set up, turn into the electric energy real-time output through receiving coil with received electromagnetic energy and give transmitting coil, transmitting coil converts the electric energy into alternating magnetic field energy again and exports outward, increases wireless transmission distance who charges.
According to the above, the present application also provides a wireless charging repeater.
A wireless charging repeater comprises a shell, wherein the wireless charging repeater coil assembly in any one of the embodiments is arranged in the shell.
In one embodiment, the housing is flat.
In one embodiment, an adhesive layer is disposed on a bottom surface of the housing, and is used for adhering the wireless charging repeater to a desktop.
In one embodiment, the device further comprises an indicator light; the indicator light is fixedly connected with the shell and is electrically connected with the receiving coil and/or the transmitting coil.
In one embodiment, the system further comprises a relay controller; the relay controller is used for controlling the size of the resonance capacitor and adjusting the resonance frequency.
In one embodiment, the relay controller is further configured to control the indicator light to be turned on or off.
In one embodiment, the relay controller is further configured to control dimming of the indicator light.
In one embodiment, the relay controller is further configured to control a color change of the indicator light.
The wireless charging repeater can convert received electromagnetic energy into electric energy through the receiving coil and output the electric energy to the transmitting coil in real time, the transmitting coil converts the electric energy into alternating magnetic field energy again and outputs the alternating magnetic field energy outwards, and the wireless charging transmission distance is increased.
Drawings
Fig. 1 is a schematic front view, partially in section, of a wireless charging relay coil assembly according to an embodiment;
fig. 2 is a schematic structural diagram of a wireless charging relay coil assembly according to an embodiment, which is partially cut away from the back side;
fig. 3 is a schematic front view, partially in section, of a wireless charging relay coil assembly according to an embodiment;
fig. 4 is a schematic structural diagram of a wireless charging relay coil assembly according to an embodiment, which is partially cut away from the back side;
fig. 5 is a schematic cross-sectional view of a wireless charging repeater according to an embodiment.
Description of reference numerals: 100. a receiving coil; 110. a first line end; 120. a second line end; 200. a transmitting coil; 210. a third line end; 220. a fourth line end; 300. a resonant capacitor; 400. a first magnetism isolating sheet; 500. a second magnetism isolating sheet; 10. a relay coil assembly; 20. a housing; 30. and (5) gluing the layers.
Detailed Description
DETAILED DESCRIPTION FIGS. 1-5, discussed below, and the various embodiments used to describe the principles or methods of the present disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Preferred embodiments of the present disclosure will be described hereinafter with reference to the accompanying drawings. In the following description, a detailed description of well-known functions or configurations is omitted so as not to obscure the subject matter of the present disclosure with unnecessary detail. Also, terms used herein will be defined according to functions of the present invention. Thus, the terms may be different according to the intention or usage of the user or operator. Therefore, the terms used herein must be understood based on the description made herein.
A wireless charging relay coil assembly 10, as shown in any one of FIGS. 1-4, includes a receiving coil 100, a transmitting coil 200, a first magnetic shield 400, and a second magnetic shield 500. The first magnetic shielding sheet 400 is attached to the receiving coil 100. The second magnetic shield 500 is attached to the transmitting coil 200. The attaching directions of the first magnetism isolating sheet 400 and the second magnetism isolating sheet 500 are opposite, the first magnetism isolating sheet 400 is attached to the opposite surface of the wireless charging receiving surface of the receiving coil 100, and the second magnetism isolating sheet 500 is attached to the opposite surface of the transmitting coil 200. The receiver coil 100 is connected in series or in parallel (parallel as shown in fig. 1 and 2 and series as shown in fig. 3 and 4) with the transmitter coil 200.
In one embodiment, as shown in any of fig. 1-4, the receive coil 100 is larger than the transmit coil 200. In this embodiment, since the receiving coil 100 is far from the wireless charger and the magnetic field spreads, a larger receiving coil 100 is needed to acquire more magnetic field energy. Here, the receiver coil 100 is larger than the transmitter coil 200, which means that the coverage of the receiver coil 100 is larger than the coverage of the transmitter coil 200. As shown in any of fig. 1-4, for a circular shape of the receiver coil 100 and the transmitter coil 200, it can also be understood that the radius of the receiver coil 100 is larger than the radius of the transmitter coil 200.
In one embodiment, as shown in any of fig. 1-4, the receiving coil 100 includes a first wire end 110 and a second wire end 120 for external electrical connection. The transmitting coil 200 includes a third wire end 210 and a fourth wire end 220 for external electrical connection. When the receiving coil 100 and the transmitting coil 200 are connected in series, the first wire terminal 110 is electrically connected to the fourth wire terminal 220, and the second wire terminal 120 is electrically connected to the third wire terminal 210. When the receiving coil 100 is connected in parallel with the transmitting coil 200, the first wire end 110 is electrically connected to the third wire end 210, and the second wire end 120 is electrically connected to the fourth wire end 220.
In one embodiment, as shown in any of fig. 1-4, the first wire end 110 is the end of the outermost turn of the receiver coil 100 and the second wire end 120 is the end of the innermost turn of the receiver coil 100. The third terminal 210 is the end of the outermost turn of the transmitting coil 200 and the fourth terminal 220 is the end of the innermost turn of the transmitting coil 200.
In one embodiment, when the receiving coil 100 is connected in series with the transmitting coil 200, the induced magnetic fields of the receiving coil 100 and the transmitting coil 200 are in the same direction, and when the receiving coil 100 is connected in parallel with the transmitting coil 200, the induced magnetic fields of the receiving coil 100 and the transmitting coil 200 are in the opposite direction.
In one embodiment, as shown in any of fig. 1-4, a resonant capacitor 300 is also included. When the receiving coil 100 is connected in series with the transmitting coil 200, the resonant capacitor 300 is connected in series between the first line terminal 110 and the fourth line terminal 220, or between the second line terminal 120 and the third line terminal 210. When the receiving coil 100 is connected in parallel with the transmitting coil 200, the resonant capacitor 300 is connected in series between the first line terminal 110 and the third line terminal 210, or between the second line terminal 120 and the fourth line terminal 220.
In one embodiment, as shown in any of fig. 1-4, the receiving coil 100 and the transmitting coil 200 are both circular rings, and the inner diameter of the circular ring of the receiving coil 100 is larger than the outer diameter of the circular ring of the transmitting coil 200. The receiving coil 100 and the transmitting coil 200 are disposed in the same plane, and the transmitting coil 200 is disposed in the middle of the receiving coil 100. The first magnetism isolating sheet 400 is circular, and the inner diameter of the circular ring of the first magnetism isolating sheet 400 is larger than the outer diameter of the circular ring of the transmitting coil 200.
In one embodiment, the receiving coil 100 and the second magnetic shield 500 are located in the same plane. The transmitting coil 200 and the first magnetism isolating sheet 400 are located in the same plane. With this arrangement, the whole of the relay coil assembly can be made more flat, thereby further making it possible to manufacture a relay using the relay coil assembly more flat.
In one embodiment, the first magnetic shield 400 and the second magnetic shield 500 are located in the same plane, and the receiving coil 100 and the transmitting coil 200 are located on two sides of the plane respectively.
In one embodiment, as shown in any one of fig. 1 to 4, the inner diameter of the ring of the first magnetism isolating sheet 400 is smaller than the inner diameter of the ring of the receiving coil 100, and the outer diameter of the ring of the first magnetism isolating sheet 400 is larger than the outer diameter of the ring of the receiving coil 100.
In one embodiment, as shown in any one of FIGS. 1 to 4, the second magnetism isolating plate 500 has a disk shape, and the diameter of the second magnetism isolating plate 500 is smaller than or equal to the inner diameter of the ring of the first magnetism isolating plate 400 and larger than the outer diameter of the ring of the transmitter coil 200.
In one embodiment, the device further comprises a filter circuit. When the receiving coil 100 is connected in series with the transmitting coil 200, the filter circuit is connected in series between the first line terminal 110 and the fourth line terminal 220, or between the second line terminal 120 and the third line terminal 210. When the receiving coil 100 is connected in parallel with the transmitting coil 200, the filter circuit is connected in series between the first line terminal 110 and the third line terminal 210, or between the second line terminal 120 and the fourth line terminal 220.
The wireless charging relay coil assembly 10 comprises a receiving coil 100, a transmitting coil 200, a first magnetism isolating sheet 400 and a second magnetism isolating sheet 500, wherein the first magnetism isolating sheet 400 is attached to the receiving coil 100, the second magnetism isolating sheet 500 is attached to the transmitting coil 200, the attaching directions of the first magnetism isolating sheet 400 and the second magnetism isolating sheet 500 are opposite, the first magnetism isolating sheet 400 is attached to the opposite surface of the wireless charging receiving surface of the receiving coil 100, and the second magnetism isolating sheet 500 is attached to the opposite surface of the transmitting coil 200. The receiving coil 100 is connected in series or in parallel with the transmitting coil 200. So set up, convert the electromagnetic energy received into the electric energy through receiving coil 100 and export for transmitting coil 200 in real time, transmitting coil 200 converts the electric energy into alternating magnetic field again and can export outward, increases the transmission distance that wirelessly charges.
According to the above, the present application also provides a wireless charging repeater.
A wireless charging relay, as shown in fig. 5, includes a housing 20, and a wireless charging relay coil assembly 10 in any one of the above embodiments is disposed in the housing 20.
In one embodiment, as shown in FIG. 5, the housing 20 is flat.
In one embodiment, as shown in fig. 5, the bottom surface of the housing 20 is provided with an adhesive layer 30 for adhering the wireless charging repeater to a table.
In one embodiment, the device further comprises an indicator light. The indicator light is fixedly connected to the housing 20 and electrically connected to the receiver coil 100 and/or the transmitter coil 200.
In one embodiment, the system further comprises a relay controller. The relay controller is used to control the size of the resonant capacitor 300 and also to adjust the resonant frequency.
In one embodiment, the relay controller is further configured to control the indicator lights to be turned on or off.
In one embodiment, the relay controller is further configured to control dimming of the indicator light.
In one embodiment, the relay controller is further configured to control a color change of the indicator light.
According to the wireless charging repeater, the received electromagnetic energy can be converted into electric energy through the receiving coil 100 and then output to the transmitting coil 200 in real time, the transmitting coil 200 converts the electric energy into alternating magnetic field energy again and outputs the alternating magnetic field energy outwards, and the transmission distance of wireless charging is increased.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A wireless charging relay coil assembly is characterized by comprising a receiving coil, a transmitting coil, a first magnetism isolating sheet and a second magnetism isolating sheet;
the first magnetism isolating sheet is attached to the receiving coil;
the second magnetism isolating sheet is attached to the transmitting coil;
the first magnetism isolating sheet and the second magnetism isolating sheet are attached in opposite directions, the first magnetism isolating sheet is attached to the opposite surface of the receiving coil wireless charging receiving surface, and the second magnetism isolating sheet is attached to the opposite surface of the transmitting coil transmitting surface;
the receiving coil is connected in series or in parallel with the transmitting coil.
2. The wireless charging relay coil assembly of claim 1,
the receiving coil comprises a first wire end and a second wire end which are used for being electrically connected to the outside;
the transmitting coil comprises a third wire end and a fourth wire end which are used for being electrically connected to the outside;
when the receiving coil is connected with the transmitting coil in series, the first wire end is electrically connected with the fourth wire end, and the second wire end is electrically connected with the third wire end;
when the receiving coil is connected with the transmitting coil in parallel, the first wire end is electrically connected with the third wire end, and the second wire end is electrically connected with the fourth wire end.
3. The wireless charging relay coil assembly of claim 2,
the circuit also comprises a resonance capacitor;
when the receiving coil is connected in series with the transmitting coil, the resonant capacitor is connected in series between the first line end and the fourth line end, or between the second line end and the third line end;
when the receiving coil is connected in parallel with the transmitting coil, the resonant capacitor is connected in series between the first line end and the third line end, or between the second line end and the fourth line end.
4. The wireless charging relay coil assembly of claim 1,
the receiving coil and the transmitting coil are both circular rings, and the inner diameter of the circular ring of the receiving coil is larger than the outer diameter of the circular ring of the transmitting coil;
the receiving coil and the transmitting coil are arranged in the same plane, and the transmitting coil is arranged in the middle of the receiving coil;
the first magnetism isolating sheet is in a ring shape, and the inner diameter of the ring of the first magnetism isolating sheet is larger than the outer diameter of the ring of the transmitting coil.
5. The wireless charging relay coil assembly of claim 4,
the inner diameter of the ring of the first magnetism isolating sheet is smaller than that of the ring of the receiving coil, and the outer diameter of the ring of the first magnetism isolating sheet is larger than that of the ring of the receiving coil.
6. The wireless charging relay coil assembly of claim 4,
the second magnetism isolating sheet is in a circular sheet shape, and the diameter of the second magnetism isolating sheet is smaller than or equal to the inner diameter of the circular ring of the first magnetism isolating sheet and larger than the outer diameter of the circular ring of the transmitting coil.
7. The wireless charging relay coil assembly of claim 2,
the circuit also comprises a filter circuit;
when the receiving coil is connected in series with the transmitting coil, the filter circuit is connected in series between the first line end and the fourth line end, or connected in series between the second line end and the third line end;
when the receiving coil is connected in parallel with the transmitting coil, the filter circuit is connected in series between the first line end and the third line end, or between the second line end and the fourth line end.
8. A wireless charging repeater comprising a housing, wherein the wireless charging repeater coil assembly of any one of claims 1 to 7 is disposed in the housing.
9. The wireless charging repeater of claim 8,
the bottom surface of casing is provided with the viscose layer, be used for with wireless relay that charges glues on the desktop.
10. The wireless charging repeater of claim 8,
the device also comprises an indicator light;
the indicator light is fixedly connected with the shell and is electrically connected with the receiving coil and/or the transmitting coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123160726.6U CN216530737U (en) | 2021-12-15 | 2021-12-15 | Wireless relay coil assembly and repeater that charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123160726.6U CN216530737U (en) | 2021-12-15 | 2021-12-15 | Wireless relay coil assembly and repeater that charge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530737U true CN216530737U (en) | 2022-05-13 |
Family
ID=81498691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123160726.6U Active CN216530737U (en) | 2021-12-15 | 2021-12-15 | Wireless relay coil assembly and repeater that charge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530737U (en) |
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2021
- 2021-12-15 CN CN202123160726.6U patent/CN216530737U/en active Active
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