CN210517814U - Relay system and relay device applied to wireless charging - Google Patents
Relay system and relay device applied to wireless charging Download PDFInfo
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- CN210517814U CN210517814U CN201920377992.8U CN201920377992U CN210517814U CN 210517814 U CN210517814 U CN 210517814U CN 201920377992 U CN201920377992 U CN 201920377992U CN 210517814 U CN210517814 U CN 210517814U
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- wireless charging
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Abstract
The utility model relates to a wireless charging device technical field, concretely relates to be applied to wireless relay system and relay device who charges, relay system includes that at least one has the first coil of receiving wireless charging energy, and at least one has the second coil of transmitting wireless charging energy; the wireless charging energy received by the first coil is transmitted to the second coil through a high-frequency low-resistance circuit; the number of the first coils is one, the number of the second coils is one or more, and the first coils are connected through high-frequency low-resistance circuits the number of which is the same as that of the second coils. The utility model discloses an useful part: the relay system provides a relay solution in the traditional wireless charging process, the scheme has a great number of use scenes, and charging requirements of different forms of loads to be charged can be met.
Description
Technical Field
The utility model relates to a wireless charging device technical field, concretely relates to be applied to wireless relay system and relay of charging.
Background
The current intelligent terminal is more and more intelligent and more convenient, in the charging mode of the intelligent terminal, the wireless charging mode replaces the wired charging mode to charge the intelligent terminal, and the traditional intelligent terminal is usually integrated with a plurality of other functions, for example, the intelligent terminal is combined with an electronic card storage device, so that the intelligent terminal needs to be carried about, frequently used electronic cards are placed together with the intelligent terminal, the use and the carrying are convenient, but with the rise of the wireless charging technology, if the intelligent terminal still places the electronic cards near the intelligent terminal in the wireless charging process, the demagnetization phenomenon of the electronic cards is very easily caused, so that the electronic cards can not normally work, but products for solving the problems appear in the market at present, therefore, a relay structure capable of providing the traditional wireless charging technology is urgently needed, and the relay structure can realize the use of more scenes.
SUMMERY OF THE UTILITY MODEL
In order to effectively solve the problem, the utility model provides a be applied to wireless relay system who charges.
The utility model discloses a concrete technical scheme as follows: a relay system for wireless charging, the relay system comprising at least one first coil having a function of receiving wireless charging energy, and at least one second coil having a function of transmitting wireless charging energy;
the wireless charging energy received by the first coil is transmitted to the second coil through a high-frequency low-resistance circuit.
Further, an impedance matching circuit is arranged on the high-frequency low-resistance circuit.
Further, the impedance matching circuit is at least one series resonance capacitor, and the capacitor, the first coil and the second coil form the impedance matching circuit.
Furthermore, the number of the first coils is one, the number of the second coils is one or more, and the first coils are connected through high-frequency low-resistance circuits with the same number as the second coils.
Furthermore, any side surface of the first coil is provided with a first shielding clapboard for inhibiting an alternating magnetic field;
and any side surface of the second coil is provided with a second shielding clapboard for inhibiting the alternating magnetic field.
Further, 1/5 where the plane projected area of the first shielding partition on the axial vertical plane of the first coil group is not smaller than the projected area of the first coil on the same plane;
the plane projection area of the second shielding partition plate on the axial vertical plane of the second coil group is not less than 1/5 of the projection area of the second coil on the same plane.
Further, the shielding partition board includes but is not limited to a copper sheet, an aluminum sheet, an iron sheet, a steel sheet and other conductive materials.
Further, the shielding separator includes but is not limited to a multi-layer combination of steel, iron, copper and iron conductive and magnetic materials.
Further, the first shielding partition plate conductor material and the second shielding partition plate conductor material are electrically connected through a high-frequency low-resistance circuit or a lead.
Furthermore, the two groups of conductive and conductor materials are connected with the high-frequency low-resistance magnetic conductive material through the high-frequency low-resistance conductive material.
Further, the high-frequency low-resistance circuit comprises at least one piece of copper foil and a Litz wire made of a plurality of strands of enameled wires;
the Litz wire is realized in a parallel, twisted, coaxial, overlapping and mixed weaving mode, and the radius d of an enameled wire in the thickness H, Litz line of the copper foil is smaller than or equal to the thickness h of a skin effect layer formed on the surface of a wireless charging high-frequency alternating current frequency during wireless charging.
A wireless charging relay device is applied to the wireless charging relay system and comprises at least one shell, wherein the shell is used for coating the structure of the relay system, and the shell is made into a convenient use form.
The utility model discloses an useful part: use a relay system for wireless charging, relay system provides the relay solution in the wireless charging process of tradition, and this scheme has extremely many use scenes, can realize the demand of charging of treating the different forms of charging load.
Drawings
Fig. 1 is a schematic view of a first usage state of a first embodiment of the present invention;
fig. 2 is a schematic view of a second usage state of the first embodiment of the present invention;
fig. 3 is a schematic view of a third usage state of the first embodiment of the present invention;
fig. 4 is a side view of the internal structure of a second embodiment of the present invention;
fig. 5 is an exploded view of the internal structure of a second embodiment of the present invention;
fig. 6 is an exploded view of a third embodiment of the present invention;
fig. 7 is a side view of the internal structure of a third embodiment of the present invention;
fig. 8 is a sectional view showing an internal structure of a fourth embodiment of the present invention;
fig. 9 is a schematic structural diagram of a fifth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
As shown in fig. 1, 2, and 3, for the utility model discloses the overall structure of first embodiment is at the different schematic diagrams under using scene and user state, and this embodiment provides a relay system who is applied to wireless charging, relay system is applied to intelligent terminal or other devices that have wireless charging function, or provides a wireless charging function alone structurally to cooperate with outside wireless charging equipment and work, wireless charging equipment be the field conventional, can carry out wireless charging to intelligent terminal or the load of waiting to charge the device can, do not do specifically and restrict here. The intelligent terminal comprises but is not limited to digital products such as a mobile phone with a wireless charging function, an intelligent tablet and the like;
the relay system comprises at least one first coil 4 having the function of receiving wireless charging energy, and at least one second coil 5 having the function of transmitting wireless charging energy;
the wireless charging energy received by the first coil 4 is transferred to the second coil 5 through a high frequency low impedance circuit 6.
The number of the first coils 4 is one or more, the number of the second coils 5 is one or more, and the first coils 4 are connected through high-frequency low-resistance circuits 6 with the same number as the second coils 5.
When the number of the first coils 4 is one, the most preferable number of the second coils 5 is one, so that the two coils are connected through only one high-frequency low-resistance circuit 6;
when the number of the first coils 4 is multiple, the most preferable number is that the number of the second coils 5 is consistent with that of the first coils 4, and the first coils 4 and the second coils are connected through a high-frequency low-resistance circuit 6;
the arrangement form of the first coil 4 and the second coil 5 is not particularly limited, and may be implemented on the same plane, on mutually perpendicular planes, or on different planes;
as shown in fig. 4, a schematic structural diagram of a second embodiment of a specific structure of a relay system applied to wireless charging according to the present invention is the same as the above embodiments, and will not be described herein again, except that the relay system includes a first panel 1, a second panel 2, and a slot structure 3, the first panel 1 and the second panel 2 are disposed in parallel with each other, and a gap distance exists between the two to form a slot structure 3 capable of accommodating an electronic card, in this embodiment, peripheral sides of the first panel 1 and the second panel 2 are integrally connected to each other, and an opening surface is formed between the first panel 1 and the second panel 2 in a width direction, and the opening surface is communicated with the slot structure 3;
in other embodiments, it can also be understood that the first panel 1 and the second panel 2 are of an integral structure, and the peripheral side of one side is recessed inwards to form a slot structure 3. The electronic card is any card structure with an electronic storage function, such as a credit card, a bank card and the like.
The first panel 1 and the intelligent terminal back plate are fixedly arranged with each other, and the fixing arrangement mode includes but is not limited to fixing modes such as bonding and the like;
as shown in fig. 5, the ferrule device further includes a relay coil assembly, where the relay coil assembly includes the first coil 4 and the second coil 5, specifically, a second coil 5 is disposed in the first panel 1; a first coil 4 is arranged in the second panel 2, the first coil 4 and the second coil 5 are electrically connected in series, and specifically, the first coil 4 and the second coil 5 are communicated through a first high-frequency low-resistance circuit 6;
The working process is as follows: the electronic card can be accommodated and arranged in the card slot structure 3 in the wireless charging process, when the card sleeve device receives transmitting energy of external wireless charging equipment, the first coil 4 receives alternating current of an external transmitting coil, the first coil 4 transmits current to the second coil 5 through a high-frequency low-resistance conductor circuit, the second coil 5 continuously charges the intelligent terminal in a wireless mode, the electronic card cannot directly penetrate through a magnetic induction line to be affected by electromagnetism, the magnetism of the electronic card is guaranteed, and the whole card sleeve device forms a wireless relay charging circuit for wirelessly charging alternating magnetic field generated by a wireless charging transmitter coil, alternating magnetic field of the first coil 4 and alternating magnetic field of the second coil 5 and alternating current of a wireless charging receiver.
As shown in fig. 6 and 7, for the utility model provides a be applied to the structural schematic diagram of the third embodiment of wireless relay system who charges, this embodiment is the same with the content part in the above-mentioned embodiment, will no longer be repeated here, the only difference lies in, relay coil assembly still includes the shielding baffle 7 that is used for restraining alternating magnetic field, second coil 5 is provided with shielding baffle 7 in one side of intelligent terminal backplate first coil 4 is provided with shielding baffle 7 towards one side of intelligent terminal, be equivalent to the both sides face of draw-in groove structure 3 is provided with shielding baffle 7 respectively, guarantees that the electronic card holds and sets up in draw-in groove structure 3, and is in and can not receive wireless electromagnetic's interference influence between two shielding baffles 7, accords with the production technology flow more, but the quick mass production preparation.
As shown in fig. 8, a schematic structural diagram of a fourth embodiment of a relay system applied to wireless charging according to the present invention is provided, which is the same as the above embodiments in part and will not be described herein again, except that the shielding partition 7 includes but is not limited to a copper sheet, an aluminum sheet, an iron sheet, a steel sheet, and other conductive materials;
the area A of the outer contour enclosure of the conductor material projected on a plane perpendicular to the axis of the helical coil of the coil group is not less than 1/5 of the area B of the outer contour enclosure of the coil group projected on the same plane.
And the two groups of conductor materials are electrically connected through a second high-frequency low-resistance circuit 8 or a lead, so that the EMC is reduced.
In a fourth embodiment of the present invention, the fourth embodiment is the same as most of the above, except that the shielding partition 7 includes but is not limited to a conductor material of a multi-layer combination of steel sheet, iron sheet, copper and iron;
the area A of the outer contour enclosure of the conductor material projected on a plane perpendicular to the axis of the helical coil of the coil group is not less than 1/5 of the area B of the outer contour enclosure of the coil group projected on the same plane.
The two groups of conductive and magnetic conductive materials are connected with the high-frequency low-resistance magnetic conductive material X through the conduction of the second high-frequency low-resistance circuit 8, and are used for reducing EMC and magnetic field leakage.
X may allow two sets of conductive and magnetically permeable materials to be connected to form a structure that, when spatially overlapped with an axial plane (i.e., a plane cut along the axis) of a helical coil of a wireless charging transmitter or receiver, the overlapping results in a closed curve. The surface equipotential body approaching to the electric field and the magnetic field is realized, or the electric field and the magnetic field in the structure formed by connecting two groups of conductive and magnetic conductive materials and the X are approaching to zero, so that the objects in the structure are further protected from being interfered.
In other embodiments, the cable for realizing the electrical connection of the two relay coils is the first high-frequency low-resistance circuit 6, the cable for realizing the electrical connection of the two relay coils is the second high-frequency low-resistance circuit 8, the first high-frequency low-resistance circuit 6 and the second high-frequency low-resistance circuit 8 can be Litz wires made of copper foils and stranded enameled wires, the Litz wires are realized in parallel, twisted, coaxial, overlapped and mixed-woven modes, and the radius d of the enameled wire in the thickness H, Litz line of the copper foil is less than or equal to the thickness h of a skin effect layer formed on the surface of the wirelessly charged high-frequency alternating current frequency during wireless charging;
the high-frequency low-resistance circuit 8 is the patented technology previously applied by the utility model, and corresponding disclosure is already realized.
As shown in fig. 9, a schematic structural diagram of a fifth embodiment of a relay system applied to wireless charging according to the present invention is the same as the above-mentioned embodiments, and will not be described again, except that a series resonant capacitor 9 is disposed on the first high-frequency low-resistance circuit 6 or the second high-frequency low-resistance circuit 8, and the series resonant capacitor 9, the first coil 4 and the second coil 5 form an impedance matching circuit, so as to reduce power loss caused by the relay system;
and the capacitance C of the series resonant capacitor 9 in series1The deviation is between 30% and 300% to be close to or meet the following condition:
in the embodiment, the impedance matching circuit is added to enable the transmission impedance of the relay system to be consistent or nearly consistent with the transmission impedance of the transmitter, so that the power loss caused by the relay system is reduced. When the relay system is applied, various application scenes can be realized, and a corresponding wireless charging relay function is provided in the wireless charging process, so that the relay system can be correspondingly applied to scenes of consumer products such as credit card cases and card sleeves;
1) the card sleeve device with the relay system can relay wireless charging energy to realize wireless charging of the intelligent terminal;
2) the user can with the electronic card peg graft temporarily extremely in the draw-in groove structure 3, conveniently carry along with intelligent terminal, when needs exclusive use electronic card, only need release the card draw-in groove structure 3, can realize the separation of electronic card and cutting ferrule device, and because the electronic card position is in between two shielding baffle 7, do not disturb, do not harm, do not influence this electronic card when carrying out wireless charging to intelligent terminal.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (12)
1. A relay system applied to wireless charging is characterized in that the relay system comprises at least one first coil and at least one second coil, wherein the first coil is used for receiving wireless charging energy, and the second coil is used for transmitting the wireless charging energy;
the wireless charging energy received by the first coil is transmitted to the second coil through a high-frequency low-resistance circuit.
2. The relay system for wireless charging according to claim 1, wherein an impedance matching circuit is provided on the high frequency low impedance circuit.
3. The relay system according to claim 2, wherein the impedance matching circuit is at least one series resonant capacitor, and the capacitor, the first coil and the second coil form an impedance matching circuit.
4. The relay system applied to wireless charging according to claim 1, wherein the number of the first coils is one, the number of the second coils is one or more, and the first coils are connected by high-frequency low-resistance circuits, the number of which is the same as that of the second coils.
5. The relay system applied to wireless charging according to claim 1, wherein a first shielding partition plate for suppressing an alternating magnetic field is provided on any one side of the first coil;
and any side surface of the second coil is provided with a second shielding clapboard for inhibiting the alternating magnetic field.
6. The relay system applied to wireless charging according to claim 5, wherein a planar projected area of the first shielding partition on an axial vertical plane of the first coil set is not less than 1/5 of a projected area of the first coil on the same plane;
the plane projection area of the second shielding partition plate on the axial vertical plane of the second coil group is not less than 1/5 of the projection area of the second coil on the same plane.
7. The relay system applied to wireless charging according to claim 5, wherein the shielding partition comprises but is not limited to a conductor material such as copper sheet, aluminum sheet, iron sheet, steel sheet, etc.
8. The relay system for wireless charging as claimed in claim 5, wherein said shielding spacer comprises but is not limited to a multi-layer combination of steel, iron, and copper-iron conductive and magnetic materials.
9. The relay system for wireless charging according to claim 7 or 8, wherein the first shielding spacer conductor material and the second shielding spacer conductor material are electrically connected by a high-frequency low-resistance circuit or a wire.
10. The relay system for wireless charging according to claim 7 or 8, wherein the two sets of conductive and conducting materials are connected with the high-frequency low-resistance magnetic conductive material through high-frequency low-resistance conductive.
11. The relay system for wireless charging according to any one of claims 1, 2 or 4, wherein the high-frequency low-resistance circuit comprises at least one piece of copper foil, Litz wires made of a plurality of strands of enameled wires;
the Litz wire is realized in a parallel, twisted, coaxial, overlapping and mixed weaving mode, and the conductor radius d of the enameled wire in the thickness H, Litz line of each copper foil is smaller than or equal to the thickness h of a skin effect layer formed on the surface of the enameled wire by the wireless charging high-frequency alternating current frequency during wireless charging.
12. A relay device for wireless charging, which is applied to the relay system for wireless charging according to any one of claims 1 to 8, wherein the relay device comprises at least one housing, the housing is used for covering the structure of the relay system, and the housing is made into a convenient form for use.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019203175326 | 2019-03-13 | ||
| CN201920317532 | 2019-03-13 |
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| Publication Number | Publication Date |
|---|---|
| CN210517814U true CN210517814U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920377992.8U Expired - Fee Related CN210517814U (en) | 2019-03-13 | 2019-03-25 | Relay system and relay device applied to wireless charging |
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| CN (1) | CN210517814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888881A (en) * | 2019-03-13 | 2019-06-14 | 邢益涛 | A kind of relay system applied to wireless charging |
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2019
- 2019-03-25 CN CN201920377992.8U patent/CN210517814U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888881A (en) * | 2019-03-13 | 2019-06-14 | 邢益涛 | A kind of relay system applied to wireless charging |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |