CN210007424U - wireless charging device combining magnetic attraction alignment - Google Patents
wireless charging device combining magnetic attraction alignment Download PDFInfo
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- CN210007424U CN210007424U CN201920735060.6U CN201920735060U CN210007424U CN 210007424 U CN210007424 U CN 210007424U CN 201920735060 U CN201920735060 U CN 201920735060U CN 210007424 U CN210007424 U CN 210007424U
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Abstract
The embodiment discloses wireless charging device who combines magnetism to inhale counterpoint, including charging base, treat battery charging outfit and the module of charging, the module of charging is installed in the charging base, the module of charging includes the control unit, primary and trigger unit, be equipped with secondary and the unit of charging in treating the battery charging outfit, be equipped with on the charging base and encircle a plurality of electromagnet unit that primary arranged, treat to be equipped with on the battery charging outfit and encircle a plurality of magnetic block that secondary arranged.
Description
Technical Field
The utility model relates to a wireless technical field that charges specifically is wireless charging device who combines magnetism to inhale the counterpoint.
Background
The utility model discloses a wireless charging system, which is characterized by comprising a power supply unit, a plurality of power units, a plurality of primary coils, a detection unit, a trigger unit and a signal processing unit, wherein the power supply unit provides power needed by terminal equipment, the power units are used for converting electric signals from the power units into magnetic induction signals, each primary coil sends the magnetic induction signals provided by the corresponding power units to the terminal equipment, the detection unit detects the quantity of the electric signals converted into the magnetic induction signals in each power unit and sends the detection signals according to the quantity, the trigger unit is used for transmitting the trigger signals of a starting system, the signal processing unit is used for receiving the detection signals and the trigger signals and controlling the power units to start and stop.
Coil in the wireless charging device can directly reduce as the coil counterpoint of transmitting terminal and battery charging outfit's receiving terminal when incorrect, embodies more obviously when two coils have fixed distances intervals, and current counterpoint of charging leans on the buckle basically, and the support, the pattern counterpoint has counterpoint not accurate, to the higher problem of the manual control dependence of people.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide kinds can accurate counterpoint and easy and simple to handle's wireless charging device of counterpoint is inhaled to combination magnetism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A wireless charging device combined with magnetic attraction alignment comprises a charging base, a device to be charged and a charging module, wherein the charging module is installed in the charging base and comprises a control unit, a power supply unit, a power unit, a primary coil, a detection unit and a trigger unit, a secondary coil and a charging unit are arranged in the device to be charged, and the output end of the secondary coil is electrically connected with the input end of the charging unit;
the power supply unit provides a power supply required by the whole wireless charging device;
the power unit is used for converting the electric signal from the power supply unit into a magnetic induction signal;
the primary coil is used for sending a magnetic induction signal provided by the power unit to the secondary coil of the device to be charged;
the detection unit is used for detecting the number of the magnetic induction signals converted from the electric signals in the power unit and sending the detection signals to the control unit according to the number;
the trigger unit is used for detecting whether the equipment to be charged is placed on the charging base or not and sending a trigger signal to the control unit;
the charging unit is used for converting the magnetic induction signal of the secondary coil into an electric signal and transmitting the electric signal to a battery of equipment to be charged;
the charging base is provided with at least two electromagnet units surrounding the primary coil, the power input end of each electromagnet unit is electrically connected with the output end of the power supply unit, the control end of each electromagnet unit is electrically connected with the output end of the control unit, the charging equipment is provided with at least two magnetic blocks surrounding the secondary coil, and the control unit is used for receiving detection signals and trigger signals and controlling the electromagnet units and the power unit to start and stop.
Preferably, be equipped with 2 on the charging base electromagnet unit, be equipped with on the equipment of waiting to charge 2 the magnetism piece.
Preferably, an th groove is formed in the upper surface of the charging base, a th bump matched with the th groove is formed in the outer surface of the device to be charged, and the th bump is embedded into the th groove.
Preferably, a second bump is arranged on the upper surface of the charging base, a second groove matched with the second bump is arranged on the outer surface of the device to be charged, and the second bump is embedded into the second groove.
Preferably, the magnetic block is a magnet or a metal block capable of being attracted by a magnet.
Through adopting aforementioned design, the beneficial effects of the utility model are that: the charging base is provided with the electromagnet unit, the electromagnet unit generates magnetism after being electrified, the equipment to be charged is provided with the magnetic block matched with the electromagnet unit, so that when the equipment to be charged is placed on the charging base, the electromagnet unit and the magnetic block attract each other, and when the equipment to be charged is not placed accurately, the equipment to be charged can also generate displacement under the attraction of the electromagnet unit, so that accurate alignment is realized, the alignment mode is simple to operate, and the charging efficiency is higher due to the accurate alignment of the equipment to be charged and the charging base;
, arranging a groove and a bump on the charging base and the device to be charged, which are matched with each other, so that the device to be charged can be stably arranged on the charging base.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic circuit diagram of a charging base according to embodiment 1 of the present invention;
fig. 3 is a schematic circuit diagram of a device to be charged according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of example 2 in which the present invention is applied;
in the figure, the charging base is 1, the charging base is 11, the th groove is 12, the second bump is 2, the device to be charged is 21, the th bump is 22, the second groove is 3, the primary coil is 4, the secondary coil is 5, the electromagnet unit is 6 and the magnetic block.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of , but not all embodiments.
Example 1
As shown in fig. 1-3, wireless charging devices with magnetic attraction alignment include a charging base 1, a device to be charged 2 and a charging module, wherein the charging module is installed in the charging base 1, the charging module includes a control unit, a power supply unit, a power unit, a primary coil 3, a detection unit and a trigger unit, the embodiment adopts a control chip of nrf51822 as the control unit, a secondary coil 4 and a charging unit are installed in the device to be charged 2, and an output end of the secondary coil 4 is electrically connected to an input end of the charging unit.
The power supply unit provides a power supply required by the whole wireless charging device;
the power unit is used for converting the electric signal from the power supply unit into a magnetic induction signal;
the primary coil 3 is used for transmitting a magnetic induction signal provided by the power unit to the secondary coil of the device to be charged 2;
the detection unit is used for detecting the number of the electric signals converted into the magnetic induction signals in the power unit and sending the detection signals to the control unit according to the number;
the triggering unit is used for detecting whether the device to be charged 2 is placed on the charging base 1 or not and sending a triggering signal to the control unit, and a conventional pressure sensor or an infrared sensor can be adopted as the triggering unit in the embodiment;
the charging unit is used for converting the magnetic induction signal of the secondary coil 4 into an electric signal and transmitting the electric signal to the battery of the device to be charged 2;
be equipped with on the base of charging 1 and encircle the at least two electro-magnet unit 5 that primary coil 3 arranged, be provided with 2 electro-magnet unit 5 on the base of charging 1 of this embodiment, the control end of electro-magnet unit 5 is connected with the control unit's output electricity, treat to be equipped with on the battery charging outfit 2 and encircle the magnetic block 6 of at least two that secondary coil 4 arranged, treat to be provided with 2 magnetic block 6 on the battery charging outfit 2 of this embodiment, magnetic block 6 is magnet or can be by the adsorbed metal block of magnet, the control unit is used for receiving detection signal and trigger signal, and control electro-magnet unit 5 and power unit open and stop.
The working principle of the charging module in the present case can refer to the content disclosed in the utility model patent with application number CN201520988216.3, entitled "wireless charging system".
The working principle of the wireless charging device is that when the wireless charging device works, a power supply unit provides working power for the whole charging device, when a device to be charged 2 is placed on a charging base 1, a trigger unit arranged on the charging base 1 outputs a trigger signal to a control unit, the control unit outputs a control signal, a power supply loop of an electromagnet unit 5 is switched on, the electromagnet unit 5 starts to work, meanwhile, the detection unit detects the number of magnetic induction signals of the power unit in real time and transmits the detection signal to the control unit, when the device to be charged 2 is completely aligned under the assistance of the electromagnet unit 5, namely, the primary coil 3 and the secondary coil 4 are completely aligned, the detection unit detects that the number of the magnetic induction signals of the power unit reaches a set value set in the control unit, the control unit respectively outputs the control signal to the electromagnet unit 5 and the power unit, cuts off the power supply loop of the electromagnet unit 5, the electromagnet unit 5 stops working, in addition, in the aspect of , the control power unit outputs the magnetic induction signals to the primary coil 3, the primary coil 3 transmits the magnetic induction signals to the secondary coil 4 located in the device to be charged 2, and the charging device to be charged 2 is converted into an electric signal to.
Set up electromagnet unit 5 on charging base 1, set up on treating charging equipment 2 with electromagnet unit 5 assorted magnetic block 6, so that treat charging equipment 5 when placing on charging base 1, electromagnet unit 5 and magnetic block 6 inter attraction, when not having accurate counterpoint to place and treating charging equipment 2, treat that charging equipment 2 also can remove under the effect of magnetic attraction, realize accurate counterpoint, such counterpoint mode easy operation, and treat that charging equipment 2 makes charge efficiency higher with charging base 1's accurate counterpoint.
As preferred modes of the embodiment, the charging base 1 is provided with a groove 11 on the upper surface, the device to be charged 2 is provided with a -th projection 21 matched with the -th groove 11 on the outer surface corresponding to the 0 surface provided with the secondary coil 4, the -th projection 21 is embedded in the -th groove 11, the charging base 1 and the device to be charged 2 are provided with a groove 11 and a -th projection 21 which are matched with each other, and the -th projection 21 is embedded in the -th groove 11, so that the device to be charged 2 can be stably placed on the charging base 1.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that a second bump 12 is disposed on the upper surface of the charging base 1, the second bump 12 is disposed at the position of the -th groove 11 of embodiment 1, a second groove 22 matched with the second bump 12 is disposed on the outer surface of the device to be charged 2 corresponding to the surface provided with the secondary coil 4, the second groove 22 is disposed at the position of the -th bump 21 of embodiment 1, the second bump 12 is embedded in the second groove 22, the second bump 12 and the second groove 22 are disposed on the charging base 1 and the device to be charged 2 and are matched with each other, and the second bump 12 is embedded in the second groove 22, so that the device to be charged 2 can be stably placed on the charging base 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
- The wireless charging device comprises a charging base, equipment to be charged and a charging module, wherein the charging module is installed in the charging base, the charging module comprises a control unit, a power supply unit, a power unit, a primary coil, a detection unit and a trigger unit, a secondary coil and a charging unit are arranged in the equipment to be charged, and the output end of the secondary coil is electrically connected with the input end of the charging unit;the power supply unit provides a power supply required by the whole wireless charging device;the power unit is used for converting the electric signal from the power supply unit into a magnetic induction signal;the primary coil is used for sending a magnetic induction signal provided by the power unit to the secondary coil of the device to be charged;the detection unit is used for detecting the number of the magnetic induction signals converted from the electric signals in the power unit and sending the detection signals to the control unit according to the number;the trigger unit is used for detecting whether the equipment to be charged is placed on the charging base or not and sending a trigger signal to the control unit;the charging unit is used for converting the magnetic induction signal of the secondary coil into an electric signal and transmitting the electric signal to a battery of equipment to be charged;the method is characterized in that: the charging base is provided with at least two electromagnet units surrounding the primary coil, the power input end of each electromagnet unit is electrically connected with the output end of the power supply unit, the control end of each electromagnet unit is electrically connected with the output end of the control unit, the charging equipment is provided with at least two magnetic blocks surrounding the secondary coil, and the control unit is used for receiving detection signals and trigger signals and controlling the electromagnet units and the power unit to start and stop.
- 2. The wireless charging device combining magnetic attraction alignment of claim 1, wherein the charging base is provided with 2 electromagnet units, and the device to be charged is provided with 2 magnetic blocks.
- 3. The wireless charging device with magnetic attraction alignment function as claimed in claim 1, wherein the charging base has a th groove on its upper surface, the device to be charged has a th protrusion on its outer surface matching the th groove, and the th protrusion is embedded in the th groove.
- 4. The wireless charging device with magnetic attraction alignment function as claimed in claim 1, wherein a second protrusion is disposed on the upper surface of the charging base, a second groove matched with the second protrusion is disposed on the outer surface of the device to be charged, and the second protrusion is embedded in the second groove.
- 5. The wireless charging device with magnetic attraction alignment function as claimed in claim 1, wherein the magnetic block is a magnet or a metal block capable of being attracted by a magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735060.6U CN210007424U (en) | 2019-05-21 | 2019-05-21 | wireless charging device combining magnetic attraction alignment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920735060.6U CN210007424U (en) | 2019-05-21 | 2019-05-21 | wireless charging device combining magnetic attraction alignment |
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| CN210007424U true CN210007424U (en) | 2020-01-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474402A (en) * | 2020-05-27 | 2020-07-31 | 华普电力有限公司 | High-voltage live detection device based on wireless communication |
| CN114482645A (en) * | 2022-04-01 | 2022-05-13 | 山东建筑大学 | Gardens automatically cleaning pond |
| CN115566747A (en) * | 2022-04-06 | 2023-01-03 | 荣耀终端有限公司 | Wireless charging system |
| WO2023109414A1 (en) * | 2021-12-15 | 2023-06-22 | 中兴通讯股份有限公司 | Charging device |
-
2019
- 2019-05-21 CN CN201920735060.6U patent/CN210007424U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474402A (en) * | 2020-05-27 | 2020-07-31 | 华普电力有限公司 | High-voltage live detection device based on wireless communication |
| WO2023109414A1 (en) * | 2021-12-15 | 2023-06-22 | 中兴通讯股份有限公司 | Charging device |
| CN114482645A (en) * | 2022-04-01 | 2022-05-13 | 山东建筑大学 | Gardens automatically cleaning pond |
| CN115566747A (en) * | 2022-04-06 | 2023-01-03 | 荣耀终端有限公司 | Wireless charging system |
| CN115566747B (en) * | 2022-04-06 | 2023-11-10 | 荣耀终端有限公司 | Wireless charging system |
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