CN214412411U - Wireless auxiliary charging device - Google Patents
Wireless auxiliary charging device Download PDFInfo
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- CN214412411U CN214412411U CN202023231910.0U CN202023231910U CN214412411U CN 214412411 U CN214412411 U CN 214412411U CN 202023231910 U CN202023231910 U CN 202023231910U CN 214412411 U CN214412411 U CN 214412411U
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- positioning magnet
- ferromagnetic metal
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- charging device
- metal sheet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the utility model provides a wireless supplementary charging device. The utility model discloses technical scheme includes casing, location magnet and ferromagnetic metal piece, and the casing sets up the recess, and ferromagnetic metal piece sets up in the one side that is close the recess, thereby makes the utility model discloses when wireless supplementary charging device used with the cell-phone cooperation, ferromagnetic metal piece is located the cell-phone with between the location magnet. Therefore, the influence of the magnetic field generated by the positioning magnet on the magnetic field of the mobile phone is reduced, and the influence on sensitive elements in the mobile phone is further reduced. By arranging the ferromagnetic metal sheet, the charging efficiency of the mobile phone can be improved, and the heat emission can be reduced; and strengthened the magnetic attraction with the charger, thereby make the utility model discloses the adsorption affinity between wireless supplementary charging device and the charger is stronger.
Description
Technical Field
The utility model relates to a field of charging, concretely relates to wireless supplementary charging device.
Background
In the prior art, a mobile phone with a wireless charging function generally has two situations, one mobile phone has an auxiliary alignment function, and the other mobile phone does not have the auxiliary alignment function. The auxiliary alignment function of the mobile phone with the auxiliary alignment function is also not perfect.
When a user charges the two mobile phones, the user can estimate the central positions of the receiving coil hidden in the mobile phone and the transmitting coil of the charger by depending on the appearance of the mobile phone and the appearance of the transmitter only through intuition and experience, so that the central positions of the receiving coil in the mobile phone and the transmitting coil of the charger are aligned. More time and attention are required for the user, making the wireless charging experience poor.
In addition, since the auxiliary alignment function is missing, even if the user intentionally takes time and attention to estimate the center positions of the receiving coil in the cellular phone and the transmitting coil of the charger, it is difficult to ensure that the center positions of the receiving coil hidden in the cellular phone and the transmitting coil in the transmitter are completely aligned. Because the receiving coil in the cell-phone misplaces with the transmitting coil in the transmitter in the charging process, cause the actual power that the cell-phone charges through the wireless mode to not reach the design power, the charging efficiency is low, it is serious to generate heat, user experience is seriously declined.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to improve the cell-phone charge efficiency, reduce and generate heat, the utility model aims at providing a wireless supplementary charging device.
The utility model discloses a wireless supplementary charging device, include:
the shell is provided with a groove for fixing the mobile phone;
the positioning magnet is fixedly connected with the shell and comprises at least one positioning magnet unit which is used for positioning the charger; and
and the ferromagnetic metal sheet is fixedly connected with the shell.
Preferably, the groove has an accommodating space for accommodating the mobile phone, the ferromagnetic metal sheet is disposed on a side close to the accommodating space, and the positioning magnet is disposed on a side far from the accommodating space.
Preferably, the ferromagnetic metal piece is disposed at a side of the housing close to the accommodating space, and the positioning magnet is disposed between the ferromagnetic metal piece and a bottom surface of the housing.
Preferably, the ferromagnetic metal sheet is disposed on a side of the housing near the accommodating space, and a positioning magnet is embedded in a bottom surface of the housing, and the positioning magnet partially protrudes from the bottom surface of the housing.
Preferably, the ferromagnetic metal sheet is disposed on a side of the housing close to the accommodating space, and a positioning magnet is disposed on a bottom surface of the housing, and the positioning magnet completely protrudes from the bottom surface of the housing.
Preferably, the ferromagnetic metal sheet part is embedded in the housing and disposed at a side close to the accommodating space, and the positioning magnet is disposed between the ferromagnetic metal sheet and a bottom surface of the housing; or
The ferromagnetic metal sheet is arranged on one side close to the accommodating space and protrudes out of the shell, and the positioning magnet is arranged between the ferromagnetic metal sheet and the bottom surface of the shell; alternatively, the first and second electrodes may be,
the ferromagnetic metal sheet part is embedded into the shell and arranged at one side close to the accommodating space, and a positioning magnet is embedded into the bottom surface of the shell and partially protrudes out of the bottom surface of the shell; alternatively, the first and second electrodes may be,
the ferromagnetic metal sheet is arranged on one side close to the accommodating space and protrudes out of the shell, and a positioning magnet is embedded in the bottom surface of the shell and partially protrudes out of the bottom surface of the shell; alternatively, the first and second electrodes may be,
the ferromagnetic metal sheet part is embedded into the shell and arranged on one side close to the accommodating space, and a positioning magnet is arranged on the bottom surface of the shell and completely protrudes out of the bottom surface of the shell; alternatively, the first and second electrodes may be,
the ferromagnetic metal sheet protrudes out of the shell and is arranged on one side close to the accommodating space, and the bottom surface of the shell is provided with a positioning magnet which completely protrudes out of the bottom surface of the shell.
Preferably, the ferromagnetic metal sheet has the same or similar contour shape as the positioning magnet.
Preferably, the ferromagnetic metal sheet completely covers the positioning magnet in a laminated manner.
Preferably, the positioning magnet unit includes a first magnetic pole and a second magnetic pole, the first magnetic pole and the second magnetic pole being opposite in polarity.
Preferably, the at least one positioning magnet unit is a plurality of positioning magnet units, and the plurality of positioning magnet units are arranged around a center and arranged at intervals.
The utility model discloses technical scheme includes casing, location magnet and ferromagnetic metal piece, and the casing sets up the recess, and ferromagnetic metal piece sets up in the one side that is close the recess, thereby makes the utility model discloses when wireless supplementary charging device used with the cell-phone cooperation, ferromagnetic metal piece is located the cell-phone with between the location magnet. Therefore, the influence of the magnetic field generated by the positioning magnet on the magnetic field of the mobile phone is reduced, and the influence on sensitive elements in the mobile phone is further reduced. By arranging the ferromagnetic metal sheet, the charging efficiency of the mobile phone can be improved, and the heat emission can be reduced; and strengthened the magnetic attraction with the charger, thereby make the utility model discloses the adsorption affinity between wireless supplementary charging device and the charger is stronger.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of a wireless auxiliary charging device according to a first embodiment of the present invention;
fig. 2 is a schematic view of a wireless auxiliary charging device according to a first embodiment of the present invention;
fig. 3 is an exploded view of the wireless auxiliary charging device according to the first embodiment of the present invention;
fig. 4 is a schematic diagram of a side view of a wireless auxiliary charging device according to a first embodiment of the present invention.
Fig. 5 is a schematic diagram of the wireless auxiliary charging device according to the first embodiment of the present invention for assisting the charging of the mobile phone.
Fig. 6 is a schematic view of a wireless auxiliary charging device according to a second embodiment of the present invention;
fig. 7 is a schematic diagram of a side view of a wireless auxiliary charging device according to a third embodiment of the present invention;
fig. 8 is a schematic diagram of a side view of a wireless auxiliary charging device according to a fourth embodiment of the present invention;
fig. 9 is a schematic diagram of a side view of a wireless auxiliary charging device according to a fifth embodiment of the present invention;
fig. 10 is a schematic diagram of a side view of a sixth embodiment of the wireless auxiliary charging device of the present invention;
fig. 11 is a schematic diagram of a side view of a wireless auxiliary charging device according to a seventh embodiment of the present invention;
fig. 12 is a schematic diagram of a side view of an eighth embodiment of the wireless auxiliary charging device of the present invention;
fig. 13 is a schematic diagram of a side view of a ninth embodiment of the wireless auxiliary charging device of the present invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Fig. 1 and fig. 2 are schematic diagrams of a wireless auxiliary charging device according to a first embodiment of the present invention.
Fig. 3 is an exploded view of the wireless auxiliary charging device according to the first embodiment of the present invention. Fig. 4 is a schematic diagram of a side view of a wireless auxiliary charging device according to a first embodiment of the present invention.
Referring to fig. 1 to 4, the wireless auxiliary charging device 1 according to the first embodiment of the present invention includes: a housing 10, a positioning magnet 12 and a ferromagnetic metal sheet 11.
The housing 10 of the first embodiment of the present invention includes a groove 100, and the groove 100 is disposed inside the housing 101. The recess 100 has a receiving space for receiving the mobile phone 2 for fixing the mobile phone 2.
The positioning magnet 12 of the first embodiment of the present invention is fixedly connected to the housing 10. The positioning magnet 12 includes at least one positioning magnet unit 120. The positioning magnet unit 120 includes a first magnetic pole and a second magnetic pole. The first magnetic pole and the second magnetic pole have opposite polarities. The positioning magnet 12 can be used in cooperation with a magnetic element of the charger 3, so that it can be positioned at the time of charging. Specifically, the first magnetic pole of the positioning magnet 12 can attract the second magnetic pole of the magnetic element of the charger 3, and the second magnetic pole of the positioning magnet 12 can attract the first magnetic pole of the magnetic element at the charger side.
Preferably, the wireless auxiliary charging device 1 according to the first embodiment of the present invention includes a plurality of positioning magnet units 120. The plurality of positioning magnet units 120 are arranged around a center and spaced apart from each other. So that the plurality of positioning magnet units 120 of the first embodiment of the present invention are arranged to form a ring shape.
The ferromagnetic metal sheet 11 of the first embodiment of the present invention is fixedly connected to the housing 10. Preferably, the ferromagnetic metal sheet 11 of the first embodiment of the present invention is disposed at a side close to the accommodating space, and the positioning magnet 12 is disposed at a side far from the accommodating space. Thereby make the utility model discloses when wireless supplementary charging device 1 of first embodiment used with the cell-phone cooperation, ferromagnetic metal piece 11 can be located between cell-phone 2 and the location magnet 12 to separation location magnet 12 is to the influence in cell-phone 2 magnetic fields. Preferably, referring to fig. 4, the ferromagnetic metal plate 11 according to the first embodiment of the present invention is disposed at one side of the housing 10 close to the accommodating space, and the positioning magnet 12 is disposed between the ferromagnetic metal plate 11 and the bottom surface of the housing 10. In an alternative embodiment, the ferromagnetic metal sheet 11 and the positioning magnet 12 have the same contour shape. In another alternative embodiment, the ferromagnetic metal sheet 11 is similar to the contour of the positioning magnet 12.
Preferably, the ferromagnetic metal sheet 11 of the first embodiment of the present invention has the same contour shape as the positioning magnet 12. The ferromagnetic metal piece 11 of the first embodiment of the present invention can completely cover the positioning magnet 12 in a laminated manner. Therefore, the positioning magnet 12 according to the first embodiment of the present invention can reduce the influence of the magnetic field generated by the positioning magnet 12 on the mobile phone 2.
The utility model discloses wireless supplementary charging device 1 of first embodiment includes casing 10, location magnet 12 and ferromagnetic metal piece 11, and casing 10 sets up recess 100, and recess 100 has and is used for holding cell-phone 2's accommodation space, ferromagnetic metal piece 11 sets up and is being close to one side of accommodation space, location magnet 12 sets up and keeps away from one side of accommodation space, makes the utility model discloses when wireless supplementary charging device 1 of first embodiment uses with the cooperation of cell-phone 2, ferromagnetic metal piece 11 is located cell-phone 2 with between the location magnet 12. Thus, the influence of the magnetic field generated by the positioning magnet 12 on the mobile phone 2 is reduced, and the influence on sensitive elements in the mobile phone is further reduced.
Fig. 5 is a schematic diagram of the wireless auxiliary charging device according to the first embodiment of the present invention for assisting the charging of the mobile phone.
The mobile phone 2 is provided with a wireless power receiving terminal. The charger 3 is provided with a wireless power transmitting terminal. The wireless power receiving end and the wireless power transmitting end transfer energy in a coupling mode. In order to maximize the efficiency of energy transfer, the radio energy receiving end needs to be aligned with the radio energy transmitting end.
Referring to fig. 5, the wireless auxiliary charging device 1 according to the present embodiment includes a case 10, a ferromagnetic metal piece 11, and a positioning magnet 12. Wherein the housing 10 is provided with a recess 100.
The groove 100 of the first embodiment of the present invention has a receiving space for fixing the mobile phone 2.
The utility model discloses the location magnet 12 of first embodiment is used for fixing a position with charger 3 for the wireless power receiving terminal of cell-phone 2 aligns with the wireless power transmitting terminal of charger 3.
The embodiment of the utility model provides a one side that is close accommodation space sets up ferromagnetic metal piece 11. That is, when charging, with cell-phone 2 as for accommodation space, with the cell-phone with the utility model discloses the wireless supplementary charging device's of first embodiment combination is placed on the charger and is charged. The ferromagnetic metal plate 11 is thus positioned between the mobile phone 2 and the positioning magnet 12. Meanwhile, the positioning magnet 12 is magnetically attracted with the charger in a non-contact manner through magnetic attraction force, so that the wireless power receiving end in the mobile phone is aligned with the wireless power transmitting end in the charger. By arranging one of the ferromagnetic metal sheets 11, the magnetic conductivity of the wireless power receiving end of the mobile phone 2 can be improved, so that the heat of the mobile phone is reduced, and the charging efficiency of the mobile phone is improved; secondly, can provide the lower return circuit of magnetic resistance for positioning magnet 12 to strengthen positioning magnet 12 and charger 3's magnetic attraction, and then make the utility model discloses the adsorption affinity is stronger between wireless supplementary charging device 1 of first embodiment and the charger 3.
The utility model discloses wireless supplementary charging device 1 of first embodiment includes casing 10, ferromagnetic metal piece 11 and positioning magnet 12, and positioning magnet 12 is used for fixing a position with charger 3 for the wireless power receiving terminal of cell-phone 2 aligns with the wireless power transmitting terminal of charger 3. The approaching groove 100 is provided with an accommodating space for accommodating the mobile phone 2, and the ferromagnetic metal sheet 11 is arranged at one side close to the accommodating space, so that the wireless auxiliary charging device of the first embodiment of the invention can improve the charging efficiency of the mobile phone 2 and reduce the heat generation of the mobile phone when being used together with the mobile phone to charge the mobile phone; because ferromagnetic sheet metal covers location magnet with range upon range of mode completely, makes the utility model discloses when the wireless supplementary charging device of first embodiment used for the cell-phone to charge with the cell-phone cooperation, the magnetic attraction between the magnetic element in location magnet and the charger can strengthen.
Fig. 6 is a schematic diagram of a wireless auxiliary charging device according to a second embodiment of the present invention.
Referring to fig. 6, the wireless auxiliary charging device 1 according to the second embodiment of the present invention includes: a housing 10, a positioning magnet 12 and a ferromagnetic metal sheet 11. A recess 100 is provided in the housing 10.
The position of the positioning magnet 12 according to the second embodiment of the present invention is different from that of the first embodiment of the present invention. Other parts are the same as the first embodiment of the present invention, and are not described herein again.
Specifically, a ferromagnetic metal sheet 11 is disposed on one side of the housing 10 near the accommodating space, and a positioning magnet 12 is embedded in the bottom surface of the housing 10, and the positioning magnet 12 partially protrudes from the bottom surface of the housing 10.
Fig. 7 is a schematic diagram of a side view of a wireless auxiliary charging device according to a third embodiment of the present invention.
The third embodiment of the present invention is obtained by changing the position of the positioning magnet 12 on the basis of the second embodiment of the present invention.
Specifically, referring to fig. 7, the ferromagnetic metal sheet 11 is disposed on a side of the housing 10 close to the accommodating space, and a positioning magnet 12 is disposed on a bottom surface of the housing 10, the positioning magnet 12 completely protruding from the bottom surface of the housing 10.
Fig. 8 is a schematic diagram of a side view of a wireless auxiliary charging device according to a fourth embodiment of the present invention.
The fourth embodiment of the present invention is obtained by changing the position of the ferromagnetic metal piece 11 on the basis of the first embodiment of the present invention.
Specifically, referring to fig. 8, the ferromagnetic metal piece 11 is partially embedded in the housing 10 and disposed at a side close to the accommodating space, and the positioning magnet 12 is disposed between the ferromagnetic metal piece 11 and the bottom surface of the housing 10.
Fig. 9 is a schematic diagram of a side view of a wireless auxiliary charging device according to a fifth embodiment of the present invention.
The fifth embodiment of the present invention is obtained by changing the position of the positioning magnet 12 on the basis of the fourth embodiment of the present invention.
Specifically, referring to fig. 9, the ferromagnetic metal piece 11 is protruded from the case 10 to be disposed at a side close to the accommodating space, and the positioning magnet 12 is disposed between the ferromagnetic metal piece 11 and the bottom surface of the case 10.
Fig. 10 is a schematic diagram of a side view of a wireless auxiliary charging device according to a sixth embodiment of the present invention.
The sixth embodiment of the present invention is obtained by changing the position of the positioning magnet 12 on the basis of the fourth embodiment of the present invention.
Specifically, referring to fig. 10, the ferromagnetic metal plate 11 is partially embedded in the housing 10 and disposed at a side close to the accommodating space, and a positioning magnet 12 is embedded in a bottom surface of the housing 10, and the positioning magnet 12 partially protrudes from the bottom surface of the housing 10.
Fig. 11 is a schematic diagram of a side view of a wireless auxiliary charging device according to a seventh embodiment of the present invention.
The seventh embodiment of the present invention is obtained by changing the position of the positioning magnet 12 on the basis of the fifth embodiment of the present invention.
Specifically, referring to fig. 11, the ferromagnetic metal sheet 11 protrudes from the housing 10 and is disposed at a side close to the accommodating space, and a positioning magnet 12 is embedded in a bottom surface of the housing 10, and the positioning magnet 12 partially protrudes from the bottom surface of the housing 10.
Fig. 12 is a schematic diagram of a side view of an eighth embodiment of the wireless auxiliary charging device of the present invention.
The eighth embodiment of the present invention is obtained by changing the position of the positioning magnet 12 on the basis of the sixth embodiment of the present invention.
Specifically, referring to fig. 12, the ferromagnetic metal plate 11 is partially embedded in the housing 10 and disposed at a side close to the accommodating space, and a positioning magnet 12 is disposed on a bottom surface of the housing 10, and the positioning magnet 12 completely protrudes from the bottom surface of the housing 10.
Fig. 13 is a schematic diagram of a side view of a ninth embodiment of the wireless auxiliary charging device of the present invention.
The present invention is obtained by changing the position of the positioning magnet 12 on the basis of the fifth embodiment of the present invention.
Specifically, referring to fig. 12, the ferromagnetic metal plate 11 protrudes from the housing 10 and is disposed at a side close to the accommodating space, and a positioning magnet 12 is disposed on a bottom surface of the housing 10, and the positioning magnet 12 completely protrudes from the bottom surface of the housing 10.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A wireless auxiliary charging device for assisting a mobile phone (2) and a charger (3) in charging, characterized in that the wireless auxiliary charging device (1) comprises:
a housing (10) provided with a recess (100) for fixing the mobile phone (2);
the positioning magnet (12) is fixedly connected with the shell (10) and comprises at least one positioning magnet unit (120) used for positioning with the charger (3); and
and the ferromagnetic metal sheet (11) is fixedly connected with the shell (10).
2. The wireless auxiliary charging device according to claim 1, wherein the recess (100) has an accommodating space for accommodating the mobile phone (2), the ferromagnetic metal piece (11) is disposed on a side close to the accommodating space, and the positioning magnet (12) is disposed on a side away from the accommodating space.
3. The wireless auxiliary charging device according to claim 2, wherein the ferromagnetic metal piece (11) is provided in the housing (10) on a side near the accommodating space, and the positioning magnet (12) is provided between the ferromagnetic metal piece (11) and a bottom surface of the housing (10).
4. The wireless auxiliary charging device according to claim 2, wherein the ferromagnetic metal sheet (11) is disposed on a side of the housing (10) near the accommodating space, and a positioning magnet (12) is embedded in a bottom surface of the housing (10), and the positioning magnet (12) partially protrudes from the bottom surface of the housing (10).
5. The wireless auxiliary charging device according to claim 2,
the ferromagnetic metal sheet (11) is arranged on one side of the shell (10) close to the accommodating space, a positioning magnet (12) is arranged on the bottom surface of the shell (10), and the positioning magnet (12) completely protrudes out of the bottom surface of the shell (10).
6. The wireless auxiliary charging device according to claim 2,
the ferromagnetic metal sheet (11) is partially embedded into the shell (10) and is arranged at one side close to the accommodating space, and the positioning magnet (12) is arranged between the ferromagnetic metal sheet (11) and the bottom surface of the shell (10); or
The ferromagnetic metal sheet (11) is arranged on one side close to the accommodating space and protrudes out of the shell (10), and the positioning magnet (12) is arranged between the ferromagnetic metal sheet (11) and the bottom surface of the shell (10); or
The ferromagnetic metal sheet (11) is partially embedded into the shell (10) and arranged at one side close to the accommodating space, a positioning magnet (12) is embedded into the bottom surface of the shell (10), and the positioning magnet (12) partially protrudes out of the bottom surface of the shell (10); or
The ferromagnetic metal sheet (11) protrudes out of the shell (10) and is arranged at one side close to the accommodating space, a positioning magnet (12) is embedded in the bottom surface of the shell (10), and the part of the positioning magnet (12) protrudes out of the bottom surface of the shell (10); or
The ferromagnetic metal sheet (11) is partially embedded into the shell (10) and arranged at one side close to the accommodating space, a positioning magnet (12) is arranged on the bottom surface of the shell (10), and the positioning magnet (12) completely protrudes out of the bottom surface of the shell (10); or
The ferromagnetic metal sheet (11) protrudes out of the shell (10) and is arranged on one side close to the accommodating space, the positioning magnet (12) is arranged on the bottom surface of the shell (10), and the positioning magnet (12) completely protrudes out of the bottom surface of the shell (10).
7. Wireless auxiliary charging device according to claim 1, characterized in that the ferromagnetic metal sheet (11) is of the same or similar contour shape as the positioning magnet (12).
8. Wireless auxiliary charging device according to claim 1, characterized in that said ferromagnetic metal sheet (11) completely covers said positioning magnet (12) in a laminated manner.
9. The wireless assisted charging device of claim 1, wherein the positioning magnet unit (120) comprises a first magnetic pole and a second magnetic pole, the first magnetic pole and the second magnetic pole being of opposite polarity.
10. The wireless auxiliary charging device according to claim 1, wherein the at least one positioning magnet unit (120) is a plurality of positioning magnet units (120), and the plurality of positioning magnet units (120) are arranged around a center and are spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231910.0U CN214412411U (en) | 2020-12-28 | 2020-12-28 | Wireless auxiliary charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231910.0U CN214412411U (en) | 2020-12-28 | 2020-12-28 | Wireless auxiliary charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214412411U true CN214412411U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023231910.0U Active CN214412411U (en) | 2020-12-28 | 2020-12-28 | Wireless auxiliary charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214412411U (en) |
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2020
- 2020-12-28 CN CN202023231910.0U patent/CN214412411U/en active Active
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