CN213213140U - Electronic equipment back of body pastes and wireless charging system - Google Patents

Abstract

The utility model provides an electronic equipment pastes on the back and wireless charging system, electronic equipment pastes on the back including the back flitch with be used for fixing the fixed part at electronic equipment or the electronic equipment protective housing back, the fixed part sets up the surface of back flitch, the back flitch is equipped with first magnetic element and second magnetic element, first magnetic element is the annular, second magnetic element sets up first magnetic element's periphery. The utility model provides an electronic equipment back of body pastes and wireless charging system sets up first magnetic element through the periphery that corresponds the wireless charging receiving coil of electronic equipment on the back of body pastes, adsorbs the third magnetic element magnetic force of wireless charger to fix a position wireless charging electronic equipment and wireless charger; the periphery of the first magnetic element is provided with a second magnetic element which is magnetically adsorbed with a fourth magnetic element on the periphery of the third magnetic element, so that the electronic equipment is fixed on the electronic equipment wireless charger.

Description

Electronic equipment back of body pastes and wireless charging system

Technical Field

The utility model relates to a wireless charging technology field, in particular to electronic equipment pastes on back and wireless charging system.

Background

With the development and popularization of the wireless charging technology of the mobile phone, the application scenes of the wireless charging of the mobile phone are more and more extensive. The wireless charging technology of the mobile phone provides a charging function, richer data communication can be realized between the mobile phone and the wireless charging equipment, and the state of the mobile phone in charging is read while the mobile phone is charged wirelessly, so that the customer experience of an electronic equipment user can be enriched.

The existing mobile phone shell or the back of the mobile phone is not provided with a magnet generally, when the mobile phone is placed on a wireless charger with a magnetic element inside, the mobile phone end is not provided with magnetism, and cannot be positioned and fixed, and the positioning or fixing is generally realized by sticking a magnetic guiding sheet on the back of the mobile phone in the prior art. However, if the magnetism of the magnetic guiding sheet is too large, the wireless charger can not work well, but if the magnetism is too small, the wireless charger cannot be fixed well, and particularly if the wireless charger is not horizontally placed on a desktop, the mobile phone cannot be fixed on the surface of the wireless charger due to insufficient magnetism.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electronic equipment pastes on back and wireless charging system makes wireless charging electronic equipment can pinpoint on wireless charger and does not influence wireless function of charging again.

The utility model provides an electronic equipment pastes on back, including the back of the body flitch with be used for fixing the fixed part at electronic equipment or the electronic equipment protective housing back, the fixed part sets up the surface of back flitch, the back flitch is equipped with first magnetic element and second magnetic element, first magnetic element is the annular, the second magnetic element sets up first magnetic element's periphery.

In one embodiment, the first magnetic element and the second magnetic element are embedded in the back attachment plate.

In an embodiment, a first groove and a second groove are formed on a surface of the back attachment plate opposite to the fixing portion, the first magnetic element is disposed in the first groove, and the second magnetic element is disposed in the second groove.

In one embodiment, the outer surface of the first magnetic element is flush with the surface of the back attachment plate; the outer surface of the second magnetic element is flush with the surface of the back attachment plate.

In an embodiment, the first magnetic element and the second magnetic element are attached to the opposite surfaces of the fixing portion of the back attachment plate. In one embodiment, the first magnetic element is a ring magnet and the radial cross section of the ring magnet is a quadrangle, and the magnetism of two adjacent angular positions of the quadrangle is opposite.

In one embodiment, the second magnetic elements are multiple and are arranged at intervals around the first magnetic element.

In an embodiment, the fixing portion is one of an adhesive, a nano-paste, or a suction cup.

The utility model provides a wireless charging system, which comprises a wireless charger, an electronic equipment back paste and an electronic equipment as described in the above embodiment, a wireless charging transmitting coil is arranged in the wireless charger, a wireless charging receiving coil matched with the wireless charging transmitting coil is arranged in the electronic equipment, the back of the electronic equipment is attached to the back of the electronic equipment or an electronic equipment protective shell sleeved outside the electronic equipment, the electronic equipment back sticker comprises a first magnetic element and a second magnetic element which are arranged on the back sticker board, the wireless charger is provided with a third magnetic element which is matched with the first magnetic element in a magnetic attraction way and a fourth magnetic element which is matched with the second magnetic element in a magnetic attraction way, the wireless charging transmitting coil and the wireless charging receiving coil are matched with each other in a magnetic attraction mode through the first magnetic element and the third magnetic element so as to achieve accurate alignment.

In one embodiment, the first magnetic element and the third magnetic element are ring magnets, and the radial cross section of each ring magnet is a quadrangle, and the magnetism of two adjacent angular positions of the quadrangle is opposite; when the first magnetic element is magnetically attracted and matched with the third magnetic element, the magnetism of the corresponding angle of the radial section quadrangle of the first magnetic element is opposite to that of the radial section quadrangle of the third magnetic element.

The utility model provides an electronic equipment pastes on the back and wireless charging system has following beneficial effect at least: the first magnetic element is arranged on the periphery of the wireless charging receiving coil corresponding to the electronic equipment and attached to the back of the electronic equipment, and the third magnetic element arranged on the periphery of the wireless charging transmitting coil of the wireless charger is magnetically adsorbed, so that the electronic equipment and the wireless charger are positioned, the wireless transmitting coil and the wireless receiving coil are accurately aligned, and the normal work of the wireless charger is guaranteed; the periphery of the third magnetic element is provided with a fourth magnetic element which is magnetically adsorbed with the second magnetic element on the periphery of the first magnetic element, so that the electronic equipment is fixed on the wireless charger, and the electronic equipment cannot slide off the surface of the wireless charger when the wireless charger is in an inclined state; the third magnetic element and the first magnetic element are annular, the magnetism at four corners of the radial section of the third magnetic element is sequentially and oppositely arranged, and the generated magnetic field does not cause interference and influence on the wireless charging transmitting coil and the wireless charging receiving coil; the fourth magnetic element and the second magnetic element are magnets which are arranged at intervals and have opposite polarities at the peripheries of the third magnetic element and the first magnetic element, the generated magnetic field is not interfered with the magnetic fields of the third magnetic element and the first magnetic element, and wireless charging between the wireless charging transmitting coil and the wireless charging receiving coil is not influenced; the electronic equipment is positioned and fixed on the wireless charger through the electronic equipment back paste, the structure of the electronic equipment is not required to be changed, the compact space in the electronic equipment is not occupied, the electronic equipment back paste can also be directly attached to the common protective shell for use, and the use is more convenient.

Drawings

Fig. 1 is a schematic perspective view of a back sticker of an electronic device according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of the electronic device in fig. 1 attached to the back at another angle;

FIG. 3 is a schematic perspective view taken along A-A in FIG. 2;

FIG. 4 is a schematic perspective exploded view of the electronic device of FIG. 1;

FIG. 5 is a schematic perspective view of the first magnetic element shown in FIG. 4;

FIG. 6 is a schematic perspective view taken along the line B-B in FIG. 5;

FIG. 7 is an enlarged schematic view of section I of FIG. 6;

fig. 8 is a schematic perspective view of the electronic device in fig. 1 in a back-attached state;

FIG. 9 is a schematic perspective view of the electronic device shown in FIG. 1 in another use state;

fig. 10 is a schematic perspective exploded view of a wireless charging system according to a preferred embodiment of the present invention;

fig. 11 is a schematic perspective exploded view of a wireless charging system according to another preferred embodiment of the present invention.

The elements in the figures are numbered as follows:

the wireless charger 100: an upper cover 111, a lower cover 112; a wireless charging transmitting coil 120; a cable 130; a third magnetic element 140; a fourth magnetic element 150;

an electronic device 200;

the electronic device protective case 300;

electronic device backing 400: a back pasting board 410, a fixing part 420, a first magnetic element 430; a second magnetic element 440.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention does not limit the number of the element to one, and may include a plurality of the elements.

The utility model provides an electronic equipment pastes on back for outside attached to electronic equipment or electronic equipment shell, supplementary electronic equipment pairs with wireless charger and fixes a position and fix when carrying out wireless charging. As shown in fig. 1 to 4, an electronic device backing 400 according to a preferred embodiment of the present invention includes a backing plate 410 and a fixing portion 420 for connecting and fixing with an electronic device or an electronic device protection shell, wherein the fixing portion 420 is adhered or fixed on a front end surface of the backing plate 410.

The back plate 410 is provided with a first magnetic element 430 and a second magnetic element 440 for positioning and fixing. The first magnetic element 430 and the second magnetic element 440 may be directly covered in the back attachment plate 410, for example, when the back attachment plate 410 is injection molded, the first magnetic element 430 and the second magnetic element 440 are covered in, and the first magnetic element 430 and the second magnetic element 440 are not visible from the surface of the back attachment plate 410; alternatively, the first magnetic element 430 and the second magnetic element 440 are attached to the surface of the back attachment plate 410; alternatively, the first magnetic element 430 and the second magnetic element 440 are embedded in a groove formed on the surface of the back plate 410 and are flush with the surface of the back plate 410. In the illustrated embodiment, the first magnetic element 430 and the second magnetic element 440 are embedded in the backplane board 410.

The fixing portion 420 is adhered or fixed on the front end surface of the back attachment plate 410, and the fixing portion 420 is, for example, an adhesive, a nano-adhesive, or a suction cup, and can be adhered to the back surface of the electronic device or the electronic device protection case and can be taken off at any time.

As shown in fig. 5, the first magnetic element 430 is annular and is disposed around the wireless charging transmitting coil of the electronic device, and is used for being magnetically attracted to the annular magnetic element disposed in the wireless charger to achieve positioning, so that when the electronic device is attached to the electronic device back surface 400 and then placed on the wireless charger, the wireless charging transmitting coil in the wireless charger and the wireless charging receiving coil in the electronic device can be accurately aligned, and the wireless charger can work normally.

More specifically, referring to fig. 6 and 7 in combination, the radial cross section of the first magnetic element 430 is a quadrilateral, and the magnetic properties of two adjacent angular positions of the quadrilateral are opposite, that is, the magnetic properties of the four angular positions of the quadrilateral are arranged according to S → N → S → N in the clockwise direction, so that the first magnetic element 430 is magnetically attracted and positioned with the corresponding annular magnetic element in the wireless charger.

The second magnetic element 440 is disposed at the periphery of the first magnetic element 430, and is configured to magnetically attract another magnetic element disposed in the wireless charger to fix the electronic device on the surface of the wireless charger when the electronic device or the electronic device protection case is attached to the electronic device back sticker 400 and placed on the wireless charger. Specifically, the second magnetic element 440 may be a plurality of and uniformly distributed on the periphery of the first magnetic element 430, corresponding to the magnetic element on the electronic device side. In the illustrated embodiment, the 4 second magnetic elements 440 are uniformly distributed on the periphery of the first magnetic element 430, and the second magnetic elements 440 are circular magnets embedded in the back plate 410.

The first magnetic element 430 and the second magnetic element 440 can be positioned and fixed respectively, and do not interfere with each other, and at the same time, do not affect wireless charging.

Referring to fig. 8 and 9, the electronic device backing 400 may be attached to the back of the electronic device protection shell 300 or directly attached to the back of the electronic device 200.

Referring to fig. 10, the wireless charging system of the preferred embodiment of the present invention includes a wireless charger 100, an electronic device 200, an electronic device protection shell 300 and an electronic device sticker 400, wherein the electronic device 200 is wrapped in the electronic device protection shell 300, the electronic device sticker 400 is attached to the back of the electronic device protection shell 300, and the electronic device 200 is placed on the wireless charger 100 to charge the electronic device 200.

The wireless charger 100 includes a housing formed by fastening an upper cover 111 and a lower cover 112, a wireless charging transmitting coil 120, a cable 130, a third magnetic element 140, and a fourth magnetic element 150, wherein the wireless charging transmitting coil 120, the third magnetic element 140, and the fourth magnetic element 150 are disposed in the housing 110, and the wireless charging transmitting coil 120 is connected to a power source through a circuit board (not shown) and the cable 130. The bottom of the lower cover 112 can also be provided with a connecting part which is connected with a vehicle-mounted bracket, a desktop bracket and the like for use.

Specifically, the wireless charging transmitting coil 120, the third magnetic element 140, and the fourth magnetic element 150 are installed in a space formed by the upper cover 111 and the lower cover 112 being fastened together. In the illustrated embodiment, the upper cover 111 and the lower cover 112 are in a disc shape, and the wireless charging transmitting coil 120, the third magnetic element 140, and the fourth magnetic element 150 are mounted on the lower cover 112 and are covered by the upper cover 111 after being fastened.

The wireless charging transmitting coil 120 is arranged in the wireless charger 100, the wireless charging receiving coil (not shown) matched with the wireless charging transmitting coil 120 is arranged in the electronic device 200, the electronic device back sticker 400 is provided with an annular first magnetic element 430 corresponding to the periphery of the wireless charging receiving coil, the shape and the position of the first magnetic element 430 are matched with the third magnetic element 140, and the wireless charging transmitting coil 120 is aligned with the wireless charging receiving coil 210 when the first magnetic element 430 and the third magnetic element 140 are magnetically adsorbed with each other. As such, the third magnetic element 140 and the first magnetic element 430 can quickly help the wireless charging receiving coil in the electronic device 200 and the wireless charging transmitting coil 120 in the wireless charger 100 to be aligned.

The radial section of the third magnetic element 140 is quadrilateral and the magnetism of two adjacent angular positions of the quadrilateral is opposite; the radial cross section of the first magnetic element 430 is quadrilateral, and the magnetism of two adjacent angular positions of the quadrilateral is opposite, when the first magnetic element 430 is magnetically attracted and matched with the third magnetic element 140, the magnetism of the corresponding angle of the quadrilateral of the radial cross section of the first magnetic element 430 is opposite to that of the quadrilateral of the radial cross section of the third magnetic element 140. That is, if the magnetic properties at the four corner positions of the radial cross-sectional quadrangle of the first magnetic element 430 are set as S → N → in the clockwise direction, the magnetic properties at the four corner positions of the radial cross-sectional quadrangle of the third magnetic element 140 are set as N → S → in the clockwise direction. Thus, the third magnetic element 140 and the corresponding surface of the first magnetic element 430 have opposite magnetism, and can be magnetically attracted and positioned quickly.

The wireless charger 100 includes a fourth magnetic element 150 disposed on the periphery of the third magnetic element 140, and correspondingly, the electronic device back sticker 400 includes a second magnetic element 440 disposed on the periphery of the first magnetic element 430, and the fourth magnetic element 150 and the second magnetic element 440 are opposite in position and opposite in magnetism, so as to be magnetically attracted to each other.

In the illustrated embodiment, there are 4 of the fourth magnetic elements 150 circumferentially distributed around the third magnetic element 140, 4 of the second magnetic elements 440 circumferentially distributed around the first magnetic element 430, and the number of the fourth magnetic elements 150 is equal to the number of the second magnetic elements 440.

In the illustrated embodiment, the fourth magnetic element 150 is a circular magnet installed in a receiving groove formed in the inner side of the lower cover 112, and the second magnetic element 440 is a circular magnet implanted in the back attachment plate 410.

The two sets of magnetic elements (the third magnetic element 140 and the first magnetic element 430; the fourth magnetic element 150 and the second magnetic element 440) in the wireless charger 100 and the electronic device back sticker 400 are respectively positioned and fixed without interfering with each other; meanwhile, the pairing of the wireless charging transmitting coil 120 and the wireless charging receiving coil is not influenced, and the wireless charging is not influenced.

Referring to fig. 11, a wireless charging system according to another preferred embodiment of the present invention includes a wireless charger 100, an electronic device 200 and an electronic device back sticker 400, wherein the electronic device back sticker 400 is directly attached to the back of the electronic device 200, and the electronic device 200 is placed on the wireless charger 100 to charge the electronic device 200. The structure and the using method of the wireless charger 100 are the same as those of the embodiment shown in fig. 10, and are not described herein again.

To sum up, the utility model provides an electronic equipment back of body pastes and wireless charging system, through set up first magnetic element in the periphery that the wireless charging receiving coil that corresponds electronic equipment is pasted on the electronic equipment back of body, adsorbs the third magnetic element magnetic force that sets up to the wireless charging transmitting coil periphery of wireless charger to fix a position electronic equipment and wireless charger, makes the accurate counterpoint of wireless transmitting coil and wireless receiving coil, has guaranteed the normal work of wireless charger; the periphery of the third magnetic element is provided with a fourth magnetic element which is magnetically adsorbed with the second magnetic element on the periphery of the first magnetic element, so that the electronic equipment is fixed on the wireless charger, and the electronic equipment cannot slide off the surface of the wireless charger when the wireless charger is in an inclined state; the third magnetic element and the first magnetic element are annular, the magnetism at four corners of the radial section of the third magnetic element is sequentially and oppositely arranged, and the generated magnetic field does not cause interference and influence on the wireless charging transmitting coil and the wireless charging receiving coil; the fourth magnetic element and the second magnetic element are magnets which are arranged at the periphery of the third magnetic element and the periphery of the first magnetic element at intervals and have opposite polarities, and the generated magnetic field does not interfere with the magnetic fields of the third magnetic element and the first magnetic element and does not influence wireless charging between the wireless charging transmitting coil and the wireless charging receiving coil; the electronic equipment is positioned and fixed on the wireless charger through the electronic equipment back paste, the structure of the electronic equipment is not required to be changed, the compact space in the electronic equipment is not occupied, the electronic equipment back paste can also be directly attached to the common protective shell for use, and the use is more convenient.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The utility model provides an electronic equipment pastes on back, includes the back flitch and is used for fixing the fixed part at electronic equipment or the electronic equipment protective housing back, the fixed part sets up the surface of back flitch, its characterized in that: the back attachment plate is provided with a first magnetic element and a second magnetic element, the first magnetic element is annular, and the second magnetic element is arranged on the periphery of the first magnetic element.

2. The electronic device sticker of claim 1, wherein: the first magnetic element and the second magnetic element are embedded in the back attachment plate.

3. The electronic device sticker of claim 2, wherein: the surface of the back attachment plate opposite to the fixing portion is provided with a first groove and a second groove, the first magnetic element is arranged in the first groove, and the second magnetic element is arranged in the second groove.

4. The electronic device sticker of claim 3, wherein: the outer surface of the first magnetic element is flush with the surface of the back attachment plate; the outer surface of the second magnetic element is flush with the surface of the back attachment plate.

5. The electronic device sticker of claim 1, wherein: the first magnetic element and the second magnetic element are attached to the surface, opposite to the fixing portion, of the back attachment plate.

6. The electronic device sticker of any one of claims 1-5, wherein: the first magnetic element is a ring magnet, the radial section of the ring magnet is quadrilateral, and the magnetism of two adjacent angular positions of the quadrilateral is opposite.

7. The electronic device sticker of claim 6, wherein: the second magnetic elements are multiple and are arranged at intervals around the first magnetic elements.

8. The electronic device sticker of claim 7, wherein: the fixing part is one of viscose, nano paste or a sucker.

9. A wireless charging system, comprising a wireless charger, the electronic device sticker of any one of claims 1-8 and an electronic device, wherein a wireless charging transmitting coil is disposed in the wireless charger, a wireless charging receiving coil matched with the wireless charging transmitting coil is disposed in the electronic device, and the electronic device sticker is attached to the electronic device or the back of an electronic device protection shell disposed on the electronic device, characterized in that: the electronic equipment back paste including set up in the first magnetic element and the second magnetic element of back paste board, wireless charger be equipped with first magnetic element magnetism inhale complex third magnetic element and with second magnetic element magnetism inhale complex fourth magnetic element, wireless charging transmitting coil with wireless charging receiving coil passes through first magnetic element with the cooperation is inhaled with the third magnetic element magnetism is in order to realize accurate counterpoint.

10. The wireless charging system of claim 9, wherein: the first magnetic element and the third magnetic element are annular magnets, the radial cross sections of the annular magnets are quadrangles, and the magnetism of two adjacent angular positions of the quadrangles is opposite; when the first magnetic element is magnetically attracted and matched with the third magnetic element, the magnetism of the corresponding angle of the radial section quadrangle of the first magnetic element is opposite to that of the radial section quadrangle of the third magnetic element.

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