CN214479842U - Wireless charger - Google Patents
Wireless charger Download PDFInfo
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- CN214479842U CN214479842U CN202022110860.4U CN202022110860U CN214479842U CN 214479842 U CN214479842 U CN 214479842U CN 202022110860 U CN202022110860 U CN 202022110860U CN 214479842 U CN214479842 U CN 214479842U
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- circuit board
- charging coil
- wireless charger
- charging
- control element
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Abstract
The utility model discloses a wireless charger, including the circuit board, it has the charging coil and pastes the control element who is equipped with the work of drive charging coil to draw on the circuit board to make the region that draws on the circuit board and have the charging coil can directly be used for charging. Through drawing the charging coil on the circuit board and subsides the control element who is used for driving the work of charging coil for the area that draws on the circuit board and have the charging coil can directly be used for charging, can obviously reduce the charging distance of charging coil and the product of waiting to charge, improves the charge efficiency of wireless charger, makes wireless charger structure compacter simultaneously, small in size.
Description
Technical Field
The utility model relates to a wireless charging technology field especially relates to a wireless charger.
Background
The wireless charging base on the market is composed and structured in such a way that a control element is pasted on a PCB (printed circuit board), a coil is independently wound by a copper wire and then welded on the control PCB, and finally, a plastic shell is wrapped to assemble a wireless charging base finished product.
The problem that wireless charging scheme exists among the prior art is: PCB board and charging coil are independent each other for the manufacturing cost of the two is high, and plastic casing parcel master control PCB board and charging coil make the finished product bulky, and plastic casing has increased the charging coil to the distance by the product receiving coil that charges simultaneously, reduces the charge efficiency of product.
Therefore, there is a need to provide a wireless charger with a new structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at: a wireless charger integrating a charging coil on a master control PCB board is provided.
For reaching above-mentioned one or part or whole purpose or other purposes, the utility model provides a wireless charger, which comprises a circuit board, it is equipped with the drive to draw on the circuit board charging coil and subsides the control element of charging coil work, so that the region that draws on the circuit board charging coil can directly be used for charging.
Optionally, the circuit board is of a multilayer structure, the charging coil is drawn in at least 2 conductive layers in the circuit board, and the control element is attached to the bottom layer of the circuit board.
Optionally, the top layer of the circuit board is provided with an insulating coating.
Optionally, the insulating coating is a solder resist.
Optionally, the bottom of the circuit board is provided with a power supply connecting part, and the power supply connecting part is used for connecting a power supply to drive the circuit board to work.
Optionally, the portable electronic device further comprises a housing, and the circuit board is embedded in the housing.
Optionally, a decorative sheet is attached to the outer surface of the circuit board.
Optionally, be equipped with the magnetic sheet between the circuit board with the casing, the magnetic sheet satisfies the magnetic field characteristic that wireless charging needs, can be used for improving wireless charging's efficiency.
Optionally, the charging coil is circular, or rectangular, or triangular.
Optionally, the control element can drive the charging coil to wirelessly transmit or wirelessly receive.
Implement the utility model discloses, will have following beneficial effect:
through drawing the charging coil on the circuit board and subsides the control element who is used for driving the work of charging coil for the area that draws on the circuit board and have the charging coil can directly be used for charging, can obviously reduce the charging distance of charging coil and the product of waiting to charge, improves the charge efficiency of wireless charger, makes wireless charger structure compacter simultaneously, small in size.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of an embodiment of a wireless charger;
FIG. 2 is a block diagram of a second embodiment of a wireless charger;
FIG. 3 is a block diagram of a third embodiment of a wireless charger;
FIG. 4 is a perspective view of a fourth embodiment of a wireless charger;
fig. 5 is an exploded view of the wireless charger of fig. 4.
Detailed Description
The technical solutions 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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as … … according to upper, lower, left, right, front and back) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 is a structural block diagram of an embodiment of a wireless charger, refer to fig. 1, the wireless charger includes a circuit board 1, a control element 11 and a charging coil 12 are attached to the circuit board 1, the control element 11 is used for driving the charging coil 12 to work, the control element 11 is electrically connected with the charging coil 12, the control element 11 and the power supply are connected to drive the charging coil 12 to transmit or receive, so that an area on the circuit board 1 where the charging coil 12 is drawn can be directly used for charging, thereby the distance between the wireless charger and the charging coil of a device to be charged is shorter, and the charging efficiency of the wireless charger is improved. It should be noted that drawing the charging coil 12 on the circuit board 1 may be to form the charging coil 12 on the circuit board through an etching process, and this embodiment does not limit the molding process of the circuit board 1 as long as the charging coil can be formed on the circuit board. Further, with charging coil 12 and control element 11 all integrated make wireless charger's structure compacter on circuit board 1, the volume is littleer, can be suitable for narrow and small installation space's operation requirement.
More, the circuit board 1 may be a hard circuit board or a flexible circuit board, may be a single-layer circuit board, and may of course be a multilayer circuit board. When the circuit board 1 is a multilayer structure, the charging coil 12 is drawn in at least 2 conductive layers in the circuit board 1, and the control element 11 is attached to the bottom layer of the circuit board 1. Preferably, a decorative sheet can be attached to the outer surface of the circuit board, so that the circuit board is attractive in appearance.
Fig. 2 is a block diagram of a second embodiment of a wireless charger, referring to fig. 2, a circuit board 2 of the wireless charger is a two-layer structure, a bottom layer is an electronic component layer 21, a top layer is a charging coil layer 22, the electronic component layer 21 is conducted with a corresponding position on the charging coil layer 22, so that the charging coil layer 22 and the electronic component layer 21 form a closed loop, and the charging coil is drawn in the charging coil layer 22. Control element pastes and installs in electronic component layer 21, does transmission or receiving operation through control element drive charging coil, and the area of increase charging coil that simultaneously can be relative under the condition of 2 thickness dimension of increase circuit board slightly, perhaps dwindles the length dimension of circuit board 2 for wireless charger is more easy to assemble when satisfying wireless charging requirement, is applicable to more narrow and small installation environment's operation requirement.
Fig. 3 is a structural block diagram of a third embodiment of a wireless charger, referring to fig. 3, a circuit board 3 of the wireless charger is sequentially a control element layer 31, a charging coil layer 32 and an insulating coating 33 from bottom to top, the control element layer 31 is electrically connected with the charging coil layer 32, a control element for driving the charging coil layer 32 to work is arranged on the control element layer 31, the charging coil layer 32 is provided with a charging coil, the charging coil is electrically connected with the control element, and the charging coil is driven by the control element to work to perform wireless transmission or reception. Preferably, the charging coil may be circular or rectangular or triangular. The present embodiment does not limit the specific shape of the charging coil as long as the requirements of wireless charging can be satisfied. The insulating coating 33 is used to protect the circuit board 3 and prevent the circuit board 3 from being damaged by short circuit caused by accidents in the using process. More specifically, the insulating coating 33 may be a solder resist.
Fig. 4 is a perspective view of a fourth embodiment of the wireless charger, fig. 5 is an exploded view of the wireless charger in fig. 4, and referring to fig. 4 and 5, the wireless charger 4 includes a housing 41 and a circuit board 42, and the circuit board 42 may be any one of the first embodiment, the second embodiment and the third embodiment. The top of the housing 41 is provided with a mounting groove 411, the circuit board 42 is disposed in the mounting groove 411, and preferably, the circuit board 42 can be clamped with the mounting groove 411, and can also be connected through threads, and can also be connected through adhesion. Of course, under different use environments, the selection can be carried out according to the needs. The present embodiment does not limit the connection manner of the wiring board 42 and the housing 41, and the wiring board 42 may be fixed to the housing 41.
In one embodiment, the circuit board 42 is adhered in the mounting groove 411 of the housing 41 through the double-sided adhesive tape 43, so that the operation is convenient and the cost performance is high. Preferably, a magnetic sheet 44 is further provided between the wiring board 42 and the case 41, and the magnetic sheet 44 satisfies a magnetic field characteristic required for wireless charging, and can be used to improve charging efficiency of wireless charging. Specifically, the magnetic sheet 44 is fixed to the housing 41.
Preferably, the circuit board 42 is embedded in the housing 41, and an area of the circuit board 42 where the charging coil is drawn is flush with the outer surface of the housing 41 or protrudes from the outer surface of the housing 41, so that the charging distance between the charging coil on the circuit board 42 and a product to be charged is shortened, and the charging efficiency of the wireless charger is improved.
Preferably, a power supply connection portion 421 is further provided at the bottom of the circuit board 42, and specifically, the power supply connection portion 421 may be a pad through which power is supplied to the circuit board 4 by communicating with a power supply.
Preferably, an insulating member 45 is further disposed on the upper portion of the circuit board 42, and the insulating member 45 covers the top surface of the housing 4, so that the housing 41 and the insulating member 45 form a semi-closed structure, and the circuit board 42 is enclosed in the semi-closed structure.
More, still be provided with sealing washer 46 in the lateral part of casing 41 for in the process of carrying out lock joint or grafting with the casing of the wireless charger of this embodiment with the electronic product, can seal the connecting portion, prevent that liquid such as water from getting into the electronic product from connecting portion, thereby guarantee wireless charging electron and electronic product reliability in the use. Of course, the portion of the electronic product housing for connection and the connection portion 47 of the wireless charger 4 of this embodiment can be adaptively adjusted as needed to ensure the sealing performance of the connection structure between the wireless charger 4 and the electronic product.
The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The wireless charger is characterized by comprising a circuit board, wherein a charging coil and a control element attached with the charging coil are drawn on the circuit board and used for driving the charging coil to work, so that an area drawn with the charging coil on the circuit board can be directly used for charging.
2. The wireless charger of claim 1, wherein the circuit board is a multi-layer structure, the charging coil is drawn in at least 2 conductive layers of the circuit board, and the control element is attached to a bottom layer of the circuit board.
3. The wireless charger of claim 2 wherein the top layer of the circuit board is provided with an insulating coating.
4. The wireless charger of claim 3 wherein the insulating coating is solder resist.
5. The wireless charger according to claim 1, wherein the bottom of the circuit board is provided with a power connection portion, and the power connection portion is used for connecting a power supply to drive the circuit board to operate.
6. The wireless charger of claim 1, further comprising a housing, wherein the circuit board is embedded in the housing.
7. The wireless charger of claim 6 wherein the circuit board has a decorative sheet attached to an outer surface thereof.
8. The wireless charger according to claim 7, wherein a magnetic sheet is disposed between the circuit board and the housing, and the magnetic sheet satisfies a magnetic field characteristic required for wireless charging and can be used to improve the efficiency of wireless charging.
9. The wireless charger of claim 1, wherein the charging coil is circular, or rectangular, or triangular.
10. The wireless charger according to any one of claims 1 to 9, wherein the control element is capable of driving the charging coil to wirelessly transmit or wirelessly receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110860.4U CN214479842U (en) | 2020-09-23 | 2020-09-23 | Wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110860.4U CN214479842U (en) | 2020-09-23 | 2020-09-23 | Wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214479842U true CN214479842U (en) | 2021-10-22 |
Family
ID=78107978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110860.4U Active CN214479842U (en) | 2020-09-23 | 2020-09-23 | Wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214479842U (en) |
-
2020
- 2020-09-23 CN CN202022110860.4U patent/CN214479842U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220802 Address after: Room t5-1204, Lai'an center, No. 1111, Yanzhan Road, Qujiang New District, Xi'an, Shaanxi 710000 Patentee after: Xi'an Yunding Information Technology Co.,Ltd. Address before: 32g, building 3, beidachong Business Center (phase III), west of Tonggu Road, Yuehai sub district office, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN YUNDING INFORMATION TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |