CN217984675U - Foldable wireless charging device - Google Patents
Foldable wireless charging device Download PDFInfo
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- CN217984675U CN217984675U CN202221933921.XU CN202221933921U CN217984675U CN 217984675 U CN217984675 U CN 217984675U CN 202221933921 U CN202221933921 U CN 202221933921U CN 217984675 U CN217984675 U CN 217984675U
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Abstract
The utility model discloses a foldable wireless charging device, this foldable wireless charging device includes: the first charging plate comprises a first charging part, the first charging part is arranged in the first charging plate, and the first charging plate is used for carrying out wireless charging through the first charging part; the second charging plate comprises a second charging part, the second charging part is arranged in the second charging plate, and the second charging plate is used for carrying out wireless charging through the second charging part; and the first charging panel is connected with the second charging panel through the connecting part, and the first charging panel and the second charging panel can be folded through the connecting part. The utility model discloses technical scheme's foldable wireless charging device is through setting up first charging panel, second charging panel and connecting portion for foldable wireless charging device can realize expansion mode or two kinds of modes of folding mode through connecting portion, and foldable wireless charging device carries out wireless charging through first charging portion and second charging portion.
Description
Technical Field
The utility model relates to a wireless field of charging, in particular to foldable wireless charging device.
Background
The wireless charging device is equipment for charging by utilizing an electromagnetic induction principle, the principle of the wireless charging device is similar to that of a transformer, a coil is respectively arranged at a transmitting end and a receiving end, the coil at the transmitting end sends out an electromagnetic signal to the outside under the action of electric power, and the coil at the receiving end receives the electromagnetic signal and converts the electromagnetic signal into current, so that the purpose of wireless charging is achieved. The wireless charging technology is a special power supply mode, does not need a power line, depends on electromagnetic wave propagation, converts electromagnetic wave energy into electric energy, and finally realizes wireless charging.
The wireless charger that uses generally adopts single power supply mode in the existing market, is about to lay wireless charging device on a plane and can only one-way charging, therefore most current wireless charging device have the application scene little, the use cost price/performance ratio is low, the problem that the user of being not convenient for uses.
Therefore, it is desirable to provide a foldable wireless charging device capable of double-sided charging.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foldable wireless charging device aims at solving the problem that current wireless charger can't the multi-scene use.
In order to achieve the above object, the utility model provides a foldable wireless charging device, this foldable wireless charging device includes:
the wireless charging device comprises a first charging plate, a second charging plate and a control unit, wherein the first charging plate comprises a first charging part which is arranged inside the first charging plate, and the first charging plate is used for wireless charging through the first charging part;
a second charging plate including a second charging part provided inside thereof, the second charging plate being used to perform wireless charging through the second charging part;
a connection part through which the first charging plate is connected with the second charging plate, the first charging plate and the second charging plate being foldable through the connection part.
Preferably, the connecting portion includes a wire inserted into the connecting portion, and the first charging portion is electrically connected to the second charging portion through the wire.
Preferably, the first charging part includes a first coil disposed on a side of the first charging plate remote from the second charging plate, and a second coil disposed on a side of the first charging plate close to the second charging plate; the second charging portion includes a third coil disposed on the second charging plate near one side of the first charging plate, and a fourth coil disposed on the second charging plate far from one side of the first charging plate.
Preferably, the conductive wires include a first conductive wire connecting the first coil and the fourth coil and a second conductive wire connecting the second coil and the third coil, the first conductive wire making the currents and voltages of the first coil and the fourth coil equal, and the second conductive wire making the currents and voltages of the second coil and the third coil equal.
Preferably, the foldable wireless charging device includes a first magnetism isolating sheet and a second magnetism isolating sheet, the first magnetism isolating sheet is disposed on the first charging panel near one side of the second charging panel, the second magnetism isolating sheet is disposed on the second charging panel near one side of the first charging panel corresponding to the first magnetism isolating sheet, and the first magnetism isolating sheet and the second magnetism isolating sheet are used for preventing attenuation of electromagnetic signals.
Preferably, the first magnetism isolating sheet and the second magnetism isolating sheet are made of ferrite materials or nanocrystalline materials.
Preferably, the foldable wireless charging device further comprises a first adhesive layer and a second adhesive layer, the first adhesive layer is arranged on one side, close to the second charging plate, of the first magnetism isolating sheet, the second adhesive layer is arranged on one side, close to the first charging plate, of the second magnetism isolating sheet, and the foldable wireless charging device can be connected with an external article through the first adhesive layer and the second adhesive layer in a sticking mode.
Preferably, the first charging plate includes a BTB connector disposed at an end of the first charging plate away from the first charging portion, the BTB connector being electrically connected to the first charging portion, and the BTB connector being configured to supply power.
Preferably, the first charging part further includes a tip disposed at an end of the first charging plate close to the BTB connector, and the first charging part is electrically connected to the BTB connector through the tip.
Preferably, the first charging plate, the second charging plate and the connecting portion are made of polyurethane.
The utility model discloses technical scheme's foldable wireless charging device is through setting up in first charging panel and second charging panel and being connected the connecting portion of first charging panel and second charging panel for wireless charging device can let first charging panel and second charging panel realize the two kinds of mode of expansion mode or folding mode through connecting portion, first charging panel and second charging panel level and expand during the expansion mode, first charging panel passes through connecting portion formation U style of calligraphy with the second charging panel during folding mode, foldable wireless charging device carries out wireless charging through setting up the first portion of charging on first charging panel and the second portion of charging that sets up on the second charging panel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure diagram of a foldable wireless charging device provided in this embodiment;
fig. 2 is a schematic structural diagram of the foldable wireless charging device according to the present embodiment.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Folding |
100 | |
| 110 | |
111 | |
| 112 | |
200 | |
| 210 | |
211 | |
| 212 | |
300 | Connecting |
| 310 | Conducting |
311 | First |
| 312 | Second |
400 | First |
| 410 | The first |
500 | Second |
| 600 | |
610 | End socket |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a foldable wireless charging device 10, wherein the foldable wireless charging device 10 includes:
a first charging pad 100, the first charging pad 100 including a first charging part 110, the first charging part 110 being disposed inside the first charging pad 100, the first charging pad 100 being configured to perform wireless charging through the first charging part 110;
a second charging pad 200, wherein the second charging pad 200 includes a second charging portion 210, the second charging portion 210 is disposed inside the second charging pad 200, and the second charging pad 200 is configured to be wirelessly charged through the second charging portion 210;
the connection unit 300 is configured such that the first charging plate 100 is connected to the second charging plate 200 through the connection unit 300, and the first charging plate 100 and the second charging plate 200 can be folded by the connection unit 300.
In detail, in the present embodiment, the first charging unit 110 and the second charging unit 210 are both capable of performing double-sided charging, the first charging board 100 and the second charging board 200 can form an unfolding mode or a folding mode, when the foldable wireless charging device 10 is in the unfolding mode, the first charging board 100 and the second charging board 200 are unfolded flatly, the first charging board 100 and the second charging board 200 form a wireless charging device that can be placed on a plane, and a device requiring wireless charging can be charged through the first charging unit 110 and the second charging unit 210; when the folding wireless charging device 10 is in the folding mode, the first charging board 100 and the second charging board 200 are folded into a U shape through the connecting portion, at this time, the first charging portion 110 and the second charging portion 210 form an outer surface charging area and an inner surface charging area, and the inner surface charging area can be connected with other objects, so that the folding wireless charging device 10 can be fixed on other objects and can also charge a plurality of devices through the outer surface charging area and the inner surface charging area when being fixed, and when the folding wireless charging device 10 is fixed on other objects, application scenarios and convenience of the folding wireless charging device 10 are increased.
As shown in fig. 2, the connection portion 300 includes a wire 310, the wire 310 is disposed inside the connection portion 300, and the first charging portion 110 is electrically connected to the second charging portion 210 through the wire 310.
In detail, in the present embodiment, the connection portion 300 is disposed at one end of the first charging plate 100, the wire 310 is made of a flexible material, and the wire 310 is used to connect an external current into the first charging portion 110 and the second charging portion 210, and balance the current and the voltage in the first charging portion 110 and the second charging portion 210, so as to prevent the charging efficiency from being low and even prevent the charging device from being damaged due to unstable current and voltage.
As shown in fig. 2, in the present embodiment, the first charging part 110 includes a first coil 111 and a second coil 112, the first coil 111 is disposed on the first charging plate 100 at a side far from the second charging plate 200, and the second coil 112 is disposed on the first charging plate 100 at a side close to the second charging plate 200; the second charging part 210 includes a third coil 211, a fourth coil 212, the third coil 211 being disposed on the second charging pad 200 at a side close to the first charging pad 100, and the fourth coil 212 being disposed on the second charging pad 200 at a side far from the first charging pad 100.
In detail, in the present embodiment, when the folding wireless charging device 10 is in the unfolding mode, the second coil 112 and the third coil 211 are in the same plane, and the first coil 111 and the fourth coil 212 are in the other plane, when the second coil 112 and the third coil 211 form a first unfolding charging area, the first coil 111 and the fourth coil 212 form a second unfolding charging area, and the double-sided charging of the folding wireless charging device 10 can be realized through the first unfolding charging area and the second unfolding charging area; when the folding wireless charging device 10 is in the folding mode, the second coil 112 and the third coil 211 form an inner surface charging area, and the first coil 111 and the fourth coil 212 form an outer surface charging area, so that the folding wireless charging device 10 can charge other devices at the same time.
In more detail, in the present embodiment, the first coil 111, the second coil 112, the third coil 211, and the fourth coil 212 are wound in a figure-8 shape, which is advantageous for charging efficiency when the device to be charged performs wireless charging.
In other embodiments, the coils of the first coil 111, the second coil 112, the third coil 211 and the fourth coil 212 are wound in a form that facilitates wireless charging of the coils, including but not limited to a 0-shape, a multi-coil shape, a double-helix shape, and the like; in this embodiment, the charging coils of the first charging portion 110 and the second charging portion 210 are both double-layer and double-coil, and in other embodiments, the charging coils can be in a multi-coil and multi-layer form.
As shown in fig. 2, in the present embodiment, the conductive line 310 includes a first conductive line 311 and a second conductive line 312, the first conductive line 311 connects the first coil 111 and the fourth coil 212, the second conductive line 312 connects the second coil 112 and the third coil 211, the first conductive line 311 equalizes the current and the voltage of the first coil 111 and the fourth coil 212, and the second conductive line 312 equalizes the current and the voltage of the second coil 112 and the third coil 211.
In detail, in the present embodiment, a gap is ensured between the first conductive line 311 and the second conductive line 312 to resist interference and electromagnetic shielding between the first conductive line 311 and the second conductive line 312.
As shown in fig. 1, the foldable wireless charging device 10 includes a first magnetic-shielding sheet 400 and a second magnetic-shielding sheet 500, the first magnetic-shielding sheet 400 is disposed on the first charging board 100 near the second charging board 200, the second magnetic-shielding sheet 500 is disposed on the second charging board 200 near the first charging board 100 corresponding to the first magnetic-shielding sheet 400, and the first magnetic-shielding sheet 400 and the second magnetic-shielding sheet 500 are used to prevent the electromagnetic signal from being attenuated.
In detail, the first magnetism isolating sheet 400 is disposed on one end of the first charging plate 100 near the second coil 112, the size of the first magnetism isolating sheet 400 corresponds to the size of the first charging part 110, the second magnetism isolating sheet 500 is disposed on one end of the second charging plate 200 near the third coil 211, and the size of the second magnetism isolating sheet 500 corresponds to the size of the second charging part 210; the magnetic shielding sheets can enhance the magnetic field intensity of the coil and have higher magnetic convergence effect; if the magnetic sheet material is too thin, the problem of magnetic saturation can be caused, if the magnetic saturation occurs, the inductance of the coil can be suddenly reduced, and the magnetism isolating sheet is arranged at one end close to the equipment to be charged, so that the magnetic isolating sheet can play a role in metal isolation in order to prevent the attenuation interference of the metal conductor to the magnetic field, the energy waste is prevented, and the charging efficiency is improved.
As shown in fig. 1, in the present embodiment, the first magnetic-shielding sheet 400 and the second magnetic-shielding sheet 500 are made of ferrite material or nanocrystal material.
In detail, the magnetic materials mainly used for the wireless charging magnetism isolating sheet are as follows: the neodymium iron boron permanent magnet and the flexible ferrite magnetic shield piece play a role in increasing an induced magnetic field and shielding coil interference in the wireless charging equipment. In this embodiment, the first magnetic shielding sheet 400 and the second magnetic shielding sheet 500 are made of ferrite or nanocrystal materials, which has the advantages of low loss and good high-frequency magnetic shielding effect.
As shown in fig. 1, in this embodiment, the foldable wireless charging device 10 further includes a first adhesive layer 410 and a second adhesive layer, the first adhesive layer 410 is disposed on the first magnetism isolating sheet 400 near one side of the second charging board 200, the second adhesive layer is disposed on the second magnetism isolating sheet 500 near one side of the first charging board 100, and the foldable wireless charging device 10 can be attached to an external article through the first adhesive layer 410 and the second adhesive layer.
In detail, in the present embodiment, the first adhesive layer 410 and the second adhesive layer (not shown in the drawings, and the specific positions are corresponding to the positional relationship between the first adhesive layer 410 and the first magnetism isolating sheet 400), when the folding wireless charging device 10 is in the folding mode, the first adhesive layer 410 and the second adhesive layer can be adhered to other articles to perform double-sided wireless charging.
As shown in fig. 1, in the present embodiment, the first charging board 100 includes a BTB connector 600, the BTB connector 600 is disposed at an end of the first charging board 100 away from the first charging portion 110, the BTB connector 600 is electrically connected to the first charging portion 110, and the BTB connector 600 is used for supplying power.
In detail, in the embodiment, the BTB connector 600 is connected to the conductive line 310, the BTB connector 600 has the characteristics of lightness, thinness, stability in high-frequency transmission, no welding, noise reduction and the like, and the first conductive line 311 and the second conductive line 312 can be connected through the BTB connector 600 without via holes, so that the BTB connector is convenient to mount.
As shown in fig. 2, in the present embodiment, the first charging part 110 further includes a terminal 610, the terminal 610 is disposed at an end of the first charging plate 100 close to the BTB connector 600, and the first charging part 110 is electrically connected to the BTB connector 600 through the terminal 610.
In detail, in the present embodiment, the terminals 610 include a first terminal through which the first coil 111 is connected to the BTB connector 600 and a second terminal through which the second coil 112 is connected to the BTB connector 600.
In the present embodiment, the first and second charging plates 100 and 200 and the connecting portion 300 are made of polyurethane.
In detail, in the present embodiment, the polyurethane has elasticity and toughness, and the polyurethane has characteristics of wear resistance, small friction coefficient, no influence from humidity and temperature, and high impact strength, and can satisfy the folding requirement of the folding wireless charging device 10.
In combination with all the above embodiments, the utility model discloses technical scheme's foldable wireless charging device is through setting up in first charging panel and second charging panel and being connected the connecting portion of first charging panel and second charging panel for wireless charging device can let first charging panel and second charging panel realize two kinds of mode of expansion mode or folding mode through connecting portion, first charging panel and second charging panel level and smooth expansion during the expansion mode, first charging panel and second charging panel pass through connecting portion formation U style of calligraphy during folding mode, foldable wireless charging device carries out two-sided wireless charging through setting up the first portion of charging on first charging panel and the second portion of charging that sets up on the second charging panel, thereby solved the little problem of current wireless charging device application scene.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures made by the contents of the specification and the drawings are utilized under the idea of the present invention, or directly/indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A folding wireless charging device (10), comprising:
a first charging plate (100), the first charging plate (100) comprising a first charging portion (110), the first charging portion (110) being disposed inside the first charging plate (100), the first charging plate (100) being configured to perform wireless charging through the first charging portion (110);
a second charging plate (200), the second charging plate (200) including a second charging part (210), the second charging part (210) being provided inside the second charging plate (200), the second charging plate (200) being used to perform wireless charging through the second charging part (210);
a connection part (300) through which the first charging plate (100) is connected to the second charging plate (200) and the connection part (300) enables the first charging plate (100) and the second charging plate (200) to be folded.
2. The folding wireless charging device (10) according to claim 1, wherein the connecting portion (300) comprises a wire (310), the wire (310) is disposed inside the connecting portion (300), and the first charging portion (110) is electrically connected to the second charging portion (210) through the wire (310).
3. The folding wireless charging device (10) according to claim 2, wherein the first charging portion (110) includes a first coil (111), a second coil (112), the first coil (111) being disposed on a side of the first charging plate (100) remote from the second charging plate (200), the second coil (112) being disposed on a side of the first charging plate (100) close to the second charging plate (200); the second charging portion (210) includes a third coil (211), a fourth coil (212), the third coil (211) is disposed on the second charging plate (200) at a side close to the first charging plate (100), and the fourth coil (212) is disposed on the second charging plate (200) at a side far from the first charging plate (100).
4. The folding wireless charging device (10) according to claim 3, wherein the conductive line (310) comprises a first conductive line (311) and a second conductive line (312), the first conductive line (311) connecting the first coil (111) and the fourth coil (212), the second conductive line (312) connecting the second coil (112) and the third coil (211), the first conductive line (311) equalizing the current and the voltage of the first coil (111) and the fourth coil (212), the second conductive line (312) equalizing the current and the voltage of the second coil (112) and the third coil (211).
5. A foldable wireless charging device (10) according to claim 1, wherein the foldable wireless charging device (10) comprises a first magnetism isolating sheet (400) and a second magnetism isolating sheet (500), the first magnetism isolating sheet (400) is disposed on the first charging board (100) on a side close to the second charging board (200), the second magnetism isolating sheet (500) is disposed on the second charging board (200) on a side close to the first charging board (100) corresponding to the first magnetism isolating sheet (400), and the first magnetism isolating sheet (400) and the second magnetism isolating sheet (500) are used to prevent the attenuation of electromagnetic signals.
6. The foldable wireless charging device (10) according to claim 5, wherein the first magnetic shielding sheet (400) and the second magnetic shielding sheet (500) are made of ferrite or nanocrystal materials.
7. The foldable wireless charging device (10) according to claim 6, wherein the foldable wireless charging device (10) further comprises a first adhesive layer (410) and a second adhesive layer, the first adhesive layer (410) is disposed on the first magnetism isolating sheet (400) near one side of the second charging board (200), the second adhesive layer is disposed on the second magnetism isolating sheet (500) near one side of the first charging board (100), and the foldable wireless charging device (10) can be attached to an external object through the first adhesive layer (410) and the second adhesive layer.
8. The folding wireless charging device (10) according to claim 1, wherein the first charging pad (100) comprises a BTB connector (600), the BTB connector (600) is disposed at an end of the first charging pad (100) away from the first charging portion (110), the BTB connector (600) is electrically connected to the first charging portion (110), and the BTB connector (600) is used for supplying power.
9. The foldable wireless charging device (10) according to claim 8, wherein the first charging part (110) further comprises a tip (610), the tip (610) is disposed on the first charging plate (100) near one end of the BTB connector (600), and the first charging part (110) is electrically connected to the BTB connector (600) through the tip (610).
10. The foldable wireless charging device (10) according to claim 1, wherein the first charging plate (100) and the second charging plate (200) and the connecting portion (300) are made of polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221933921.XU CN217984675U (en) | 2022-07-25 | 2022-07-25 | Foldable wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221933921.XU CN217984675U (en) | 2022-07-25 | 2022-07-25 | Foldable wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217984675U true CN217984675U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221933921.XU Active CN217984675U (en) | 2022-07-25 | 2022-07-25 | Foldable wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217984675U (en) |
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2022
- 2022-07-25 CN CN202221933921.XU patent/CN217984675U/en active Active
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