CN213213138U - Wireless charger and wireless charging system - Google Patents
Wireless charger and wireless charging system Download PDFInfo
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- CN213213138U CN213213138U CN202021872611.2U CN202021872611U CN213213138U CN 213213138 U CN213213138 U CN 213213138U CN 202021872611 U CN202021872611 U CN 202021872611U CN 213213138 U CN213213138 U CN 213213138U
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- wireless charger
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Abstract
The utility model provides a hang wireless charger and wireless charging system, wireless charger include the casing and set up wireless transmitting coil that charges in the casing, wireless charger is still including setting up first magnetic element and second magnetic element in the casing, first magnetic element is the annular and encircles around the wireless transmitting coil that charges, second magnetic element sets up first magnetic element's periphery. The utility model discloses a wireless charger and wireless charging system, through set up first magnetic element in the periphery of the wireless charging transmitting coil of wireless charger, adsorb the third magnetic element magnetic force that sets up to the wireless charging receiving coil periphery of electronic equipment to fix a position electronic equipment and the wireless charger of electronic equipment; 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
Technical Field
The utility model relates to a wireless charging technology field, in particular to wireless charger 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 a wireless charging mobile phone user can be enriched.
The existing wireless charger is generally provided with a single group of magnets inside so as to realize magnetic attraction positioning or fixation with a mobile phone provided with the magnets or iron sheets. However, due to the limitation of the strength of magnetism, when the magnetism of the magnet in the wireless charger is small, only positioning can be realized, and the mobile phone cannot be fixed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a wireless charger and wireless charging system makes electronic equipment can pinpoint and fix on wireless charger and does not influence wireless function of charging.
The utility model provides a wireless charger, be in including casing and setting wireless transmitting coil that charges in the casing, wireless charger is still including setting up first magnetic element in the casing with second magnetic element, first magnetic element is the annular and encircles around the wireless transmitting coil that charges, second magnetic element sets up first magnetic element's periphery.
In one embodiment, the radial cross-section of the first magnetic element is a quadrilateral, and the magnetism of two adjacent angular positions of the quadrilateral 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 second magnetic element is a magnet, and a receiving groove is formed in the housing, and the magnet is disposed in the receiving groove.
In one embodiment, the outer side of the bottom of the shell is provided with a connecting part connected with external equipment.
In one embodiment, the connecting portion is a cylinder with external threads extending downwards from the bottom of the housing, and the connecting portion is connected with the external device through threads.
The utility model provides a wireless charging system, including wireless charger and electronic equipment end, be equipped with wireless transmitting coil that charges in the wireless charger, be equipped with in the electronic equipment end with the wireless receiving coil that charges that transmitting coil matches, still be equipped with first magnetic element and second magnetic element in the wireless charger, the electronic equipment end be equipped with first magnetic element magnetism inhale complex third magnetic element and with second magnetic element magnetism inhales complex fourth magnetic element, wireless transmitting coil that charges with wireless receiving coil that charges passes through first magnetic element with the cooperation is inhaled in order to realize accurate counterpoint to the third magnetic element magnetism.
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.
In one embodiment, the second magnetic elements are uniformly distributed in a plurality of circumferential directions around the first magnetic elements, and the fourth magnetic elements are uniformly distributed in a plurality of circumferential directions around the third magnetic elements and correspond to the second magnetic elements.
In one embodiment, the second magnetic element is one of a metal block and a magnet with magnetism, and the fourth magnetic element is the other of the metal block and the magnet with magnetism; alternatively, the second magnetic element and the fourth magnetic element are magnets with opposite magnetism
The utility model provides a wireless charger and wireless charging system have following beneficial effect at least: the first magnetic element is arranged on the periphery of the wireless charging transmitting coil of the wireless charger and is in magnetic attraction fit with the third magnetic element arranged on the periphery of the wireless charging receiving coil of the electronic equipment, so that the electronic equipment and the wireless charger of the electronic equipment are positioned, the wireless transmitting coil and the wireless receiving coil are accurately aligned, and the normal work of the wireless charger is ensured; the second magnetic element is arranged on the periphery of the first magnetic element and is magnetically adsorbed with the fourth magnetic element on the periphery of the third magnetic element, so that the electronic equipment is fixed on the wireless charger of the electronic equipment, and the electronic equipment cannot slide off the surface of the wireless charger when the wireless charger is in an inclined state; the first magnetic element and the third magnetic element are annular, the magnetism at four corners of the radial section of the first magnetic element and the third magnetic element is arranged oppositely in sequence, and the generated magnetic field does not cause interference and influence on the wireless charging transmitting coil and the wireless charging receiving coil; the second magnetic element and the fourth magnetic element are magnets which are arranged at the periphery of the first magnetic element and the third magnetic element at intervals and have opposite polarities, the generated magnetic field is not interfered with the magnetic fields of the first magnetic element and the third magnetic element, and wireless charging between the wireless charging transmitting coil and the wireless charging receiving coil is not influenced; the bottom of the wireless charger of the electronic equipment is provided with the connecting part which can be connected with external equipment, such as a vehicle-mounted support, a desktop support and the like, so that the wireless charger of the electronic equipment is more convenient to use.
Drawings
Fig. 1 is a schematic perspective view of a wireless charger according to a preferred embodiment of the present invention;
fig. 2 is a schematic perspective view of the wireless charger of fig. 1 at another angle;
fig. 3 is a schematic perspective exploded view of the wireless charger of fig. 1;
FIG. 4 is a schematic perspective view of the first magnetic element shown in FIG. 3;
FIG. 5 is a schematic perspective view taken along A-A in FIG. 4;
FIG. 6 is an enlarged schematic view of section I of FIG. 5;
fig. 7 is a schematic perspective exploded view of a wireless charging system according to a preferred embodiment of the present invention;
fig. 8 is a schematic perspective exploded view of the wireless charging system in fig. 7 from another angle.
The elements in the figures are numbered as follows:
the wireless charger 100: a housing 110 (wherein, the upper cover 111, the lower cover 112; the second magnetic element accommodating groove 1121); a wireless charging transmitting coil 120; a cable 130; a first magnetic element 140; a second magnetic element 150; a connecting portion 160;
the mobile phone 200: a wireless charging receiving coil 210; a third magnetic element 220; a fourth magnetic element 230.
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 a wireless charger for carry out wireless charging for electronic equipment. As shown in fig. 1 to 3, the wireless charger 100 according to the preferred embodiment of the present invention includes a housing 110, a wireless charging transmitting coil 120, a cable 130, a first magnetic element 140, a second magnetic element 150, and a connecting portion 160, wherein the wireless charging transmitting coil 120, the first magnetic element 140, and the second magnetic element 150 are disposed in the housing 110, the wireless charging transmitting coil 120 is connected to a power source through a circuit board (not shown) and the cable 130, and the connecting portion 160 is disposed at the bottom of the housing 10 and can be connected to an external device such as a vehicle-mounted cradle or a desktop cradle.
Specifically, the housing 110 is formed by fastening the upper cover 111 and the lower cover 112, and the wireless charging transmitting coil 120, the first magnetic element 140, and the second magnetic element 150 are installed in a space formed by fastening the upper cover 111 and the lower cover 112. 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 first magnetic element 140, and the second magnetic element 150 are mounted on the lower cover 112 and are covered by the upper cover 111 after being fastened.
As shown in fig. 4, the first magnetic element 140 is annular and disposed around the wireless charging transmitting coil 120, and is used for magnetically attracting and positioning with the annular magnetic element disposed in the electronic device, so that when the electronic device is placed on the wireless charger 100, the wireless charging transmitting coil 120 and the wireless charging receiving coil in the electronic device can be aligned accurately, and the wireless charger 100 can work normally.
More specifically, referring to fig. 5 and fig. 6, the radial cross section of the first magnetic element 140 is a quadrilateral, and the magnetic properties of two adjacent corners of the quadrilateral are opposite, that is, the magnetic properties of the four corners of the quadrilateral are arranged according to S → N → S → N in the clockwise direction, so that the first magnetic element 140 is magnetically attracted and positioned with the corresponding annular magnetic element in the electronic device.
The second magnetic element 150 is disposed at the periphery of the first magnetic element 140, and is used for attracting magnetic force with another magnetic element disposed on the electronic device to fix the electronic device on the surface of the wireless charger 100 when the electronic device is placed on the wireless charger 100. Specifically, the second magnetic elements 150 may be a plurality of and uniformly distributed on the periphery of the first magnetic element 140, and are distributed corresponding to the electronic device side magnetic elements and magnetically attracted to each other. In the illustrated embodiment, the 4 second magnetic elements 150 are distributed on the periphery of the first magnetic element 140, and the second magnetic elements 150 are circular magnets installed in second magnetic element accommodating grooves 1121 formed on the inner side of the lower cover 112.
The first magnetic element 140 and the second magnetic element 150 can be positioned and fixed respectively, and do not interfere with each other, and do not affect wireless charging.
The connecting portion 160 is disposed at the bottom of the lower cover 112 and can be connected to a vehicle-mounted bracket, a desktop bracket, etc. for use, and the structure of the connecting portion 160 matches the structure of the corresponding connecting portion on the vehicle-mounted bracket and the desktop bracket. In the illustrated embodiment, the connecting portion 160 is an externally threaded cylinder extending downward from the bottom of the lower cap 112, the wall of the cylinder is spaced apart from and provided with a split parallel to the axial direction, and the wall of the lower end of the cylinder is gradually thinned downward and inward, so that the connecting portion 160 is connected and fixed with the external bracket.
Referring to fig. 7 to 8, a wireless charging system according to an embodiment of the present invention includes a wireless charger 100 and a mobile phone 200, and the mobile phone 200 is placed in the wireless charger 100 to charge the mobile phone 200. In this embodiment, take cell-phone 200 as an example to carry out the detailed description to the structure of wireless charging system, other electronic equipment such as panel computer also can be applied to the utility model discloses an among the wireless charging system.
The wireless charging transmitting coil 120 is arranged in the wireless charger 100, the wireless charging receiving coil 210 matched with the wireless charging transmitting coil 120 is arranged in the mobile phone 200, the annular third magnetic element 220 is arranged on the periphery of the wireless charging receiving coil 210, the shape and the position of the third magnetic element 220 are matched with those of the first magnetic element 140, and the wireless charging transmitting coil 120 is aligned with the wireless charging receiving coil 210 when the third magnetic element 220 and the third magnetic element 140 are magnetically adsorbed mutually. As such, the first magnetic element 140 and the third magnetic element 220 can quickly help the wireless charging receiving coil 210 in the mobile phone 200 and the wireless charging transmitting coil 120 in the wireless charger 100 to be aligned.
The radial section of the first magnetic element 140 is quadrilateral, the radial section of the third magnetic element 220 is quadrilateral, and the magnetism of two adjacent angular positions of the quadrilateral section of the first magnetic element 140 is opposite; the magnetic properties of two adjacent angular positions of the cross-sectional quadrilateral of the third magnetic element 220 are opposite, and when the first magnetic element 140 is magnetically matched with the third magnetic element 220, the magnetic properties of the corners corresponding to the radial cross-sectional quadrilateral of the first magnetic element 140 are opposite. That is, the magnetic properties at the four angular positions of the cross-sectional quadrangle of the first magnetic element 140 are set as S → N → in the clockwise direction, and the magnetic properties at the four angular positions of the cross-sectional quadrangle of the corresponding third magnetic element 220 are set as N → S → in the clockwise direction. Thus, the first magnetic element 140 and the third magnetic element 220 have opposite magnetism on their corresponding surfaces, so that they can be magnetically attracted and positioned quickly.
The wireless charger 100 further includes a second magnetic element 150 disposed on the periphery of the first magnetic element 140, and correspondingly, the mobile phone 200 includes a fourth magnetic element 230 disposed on the periphery of the third magnetic element 220, and the second magnetic element 150 and the fourth magnetic element 230 correspond in position and are capable of magnetically attracting and cooperating with each other. Specifically, the second magnetic element 150 is one of a metal block and a magnet having magnetism, and the fourth magnetic element 230 is the other of a metal block and a magnet having magnetism; alternatively, the second magnetic member 150 and the fourth magnetic member 230 are magnets with opposite magnetism.
In the illustrated embodiment, the number of the second magnetic elements 150 is 4 uniformly distributed around the circumference of the first magnetic element 140, the number of the fourth magnetic elements 230 is 4 uniformly distributed around the circumference of the third magnetic element 220, and the number of the second magnetic elements 150 is equal to the number of the fourth magnetic elements 230 and corresponds to the positions of the fourth magnetic elements 230.
In the illustrated embodiment, the second magnetic element 150 is a circular magnet mounted in a second magnetic element receiving groove 1121 formed in the inner side of the lower cover 112, and the fourth magnetic element 230 is a circular magnet formed in a slot hole formed in the rear case of the cellular phone 200.
The two sets of magnetic elements (the first magnetic element 140 and the third magnetic element 220; the second magnetic element 150 and the fourth magnetic element 230) in the wireless charger 100 and the mobile phone 200 are respectively positioned and fixed without mutual interference; meanwhile, the pairing of the wireless charging transmitting coil 120 and the wireless charging receiving coil 210 is not affected, and the wireless charging is not affected.
In summary, the utility model provides a wireless charger and wireless charging system, through set up the first magnetic element in the periphery of the wireless charging transmitting coil of wireless charger, with the peripheral third magnetic element magnetism that sets up of the wireless charging receiving coil of electronic equipment inhale the cooperation, thereby fix a position electronic equipment and wireless charger, make the accurate counterpoint of wireless transmitting coil and wireless receiving coil, guaranteed the normal work of wireless charger; the second magnetic element is arranged on the periphery of the first magnetic element and is magnetically adsorbed with the fourth magnetic element on the periphery of the third 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 first magnetic element and the third magnetic element are annular, the magnetism at four corners of the radial section of the first magnetic element and the third magnetic element is arranged oppositely in sequence, and the generated magnetic field does not cause interference and influence on the wireless charging transmitting coil and the wireless charging receiving coil; the second magnetic element and the fourth magnetic element are magnets which are arranged at the periphery of the first magnetic element and the third magnetic element at intervals and have opposite polarities, the generated magnetic field is not interfered with the magnetic fields of the first magnetic element and the third magnetic element, and wireless charging between the wireless charging transmitting coil and the wireless charging receiving coil is not influenced; the bottom of wireless charger is equipped with connecting portion, can with external equipment, such as on-vehicle support, desktop support, couple together the use, it is more convenient to use.
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 a wireless charger, includes the casing and sets up wireless transmitting coil that charges in the casing which characterized in that: the wireless charger further comprises a first magnetic element and a second magnetic element which are arranged in the shell, the first magnetic element is annular and surrounds the wireless charging transmitting coil, and the second magnetic element is arranged on the periphery of the first magnetic element.
2. The wireless charger of claim 1, wherein: the radial section of the first magnetic element is a quadrangle, and the magnetism of two adjacent angular positions of the quadrangle is opposite.
3. The wireless charger of claim 1 or 2, wherein: the second magnetic elements are multiple and are arranged at intervals around the first magnetic elements.
4. The wireless charger of claim 3, wherein: the second magnetic element is a magnet, an accommodating groove is formed in the shell, and the magnet is arranged in the accommodating groove.
5. The wireless charger of claim 1, wherein: and a connecting part connected with external equipment is arranged on the outer side of the bottom of the shell.
6. The wireless charger of claim 5, wherein: the connecting part is a threaded cylinder extending outwards from the bottom of the shell, and the connecting part is connected with external equipment through threads.
7. A wireless charging system, comprising the wireless charger according to any one of claims 1-6 and an electronic device terminal, wherein a wireless charging transmitting coil is disposed in the wireless charger, and a wireless charging receiving coil matched with the wireless charging transmitting coil is disposed in the electronic device terminal, characterized in that: still be equipped with first magnetic element and second magnetic element in the wireless charger, the electronic equipment end be equipped with first magnetic element magnetism inhale complex third magnetic element and with second magnetic element magnetism inhale complex fourth magnetic element, wireless transmitting coil that charges with wireless receiving coil passes through first magnetic element with the cooperation is inhaled with third magnetic element magnetism is in order to realize accurate counterpoint.
8. The wireless charging system of claim 7, 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.
9. The wireless charging system of claim 7, wherein: the second magnetic element winds the first magnetic element is circumferentially and uniformly distributed in a plurality of numbers, and the fourth magnetic element winds the third magnetic element is circumferentially and uniformly distributed in a plurality of numbers and corresponds to the second magnetic element.
10. The wireless charging system of claim 9, wherein: the second magnetic element is one of a metal block and a magnet with magnetism, and the fourth magnetic element is the other of the metal block and the magnet with magnetism; alternatively, the second magnetic element and the fourth magnetic element are magnets with opposite magnetism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021872611.2U CN213213138U (en) | 2020-08-31 | 2020-08-31 | Wireless charger and wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021872611.2U CN213213138U (en) | 2020-08-31 | 2020-08-31 | Wireless charger and wireless charging system |
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| Publication Number | Publication Date |
|---|---|
| CN213213138U true CN213213138U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021872611.2U Active CN213213138U (en) | 2020-08-31 | 2020-08-31 | Wireless charger and wireless charging system |
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| CN (1) | CN213213138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023056673A1 (en) * | 2021-10-09 | 2023-04-13 | 张吉锋 | Portable wireless charging base |
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2020
- 2020-08-31 CN CN202021872611.2U patent/CN213213138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023056673A1 (en) * | 2021-10-09 | 2023-04-13 | 张吉锋 | Portable wireless charging base |
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