CN204809393U - Antenna module - Google Patents
Antenna module Download PDFInfo
- Publication number
- CN204809393U CN204809393U CN201520457107.9U CN201520457107U CN204809393U CN 204809393 U CN204809393 U CN 204809393U CN 201520457107 U CN201520457107 U CN 201520457107U CN 204809393 U CN204809393 U CN 204809393U
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- link
- coil
- antenna modules
- circuit board
- printed circuit
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Abstract
In order to solve the big and difficult technical problem who installs of current antenna module occupation space, the utility model provides an antenna module, including printed circuit board, printed circuit board includes first surface and second surface, be equipped with antenna coil on the first surface, be equipped with the control circuit components and parts on the second surface, be equipped with the feed end of being connected with antenna coil on the first surface, be equipped with the pad of being connected with the control circuit components and parts on the second surface, antenna module still includes snap -action connection, snap -action connection is equipped with continuous first link and second link, first link is connected with the feed end, second link and solder connection. The utility model discloses an antenna module has reduced occupation space to the sound construction more is fit for being applied to among the small -size electronic equipment.
Description
Technical field
The utility model relates to a kind of antenna modules, particularly relates to the assembly structure of a kind of aerial coil and printed circuit board (PCB).
Background technology
Along with intelligent electronic device function from strength to strength, NFC(near-field communication) and the function such as wireless charging progressively become standard configuration as the miniaturized electronics such as intelligent watch, intelligent earphone.And the restriction of these miniaturized electronics inner spaces is comparatively strict.How quick on the comparatively strict product of spatial limitation, how design more function and and high-qualityly complete each assembly process, be the difficult problem faced in miniaturized electronics manufacture process.
In miniaturized electronics, due to the restriction in space, wireless charging and NFC antenna coil generally use FPC or PCB technology to make, and coil and circuit board need to assemble together with stacked on top.The a solution adopted in currently available technology as shown in fig. 1, antenna modules comprises printed circuit board (PCB) 11, printed circuit board (PCB) one surface is provided with aerial coil 12, and another apparent surface is provided with control circuit components and parts 13 and pad 14, and described control circuit components and parts 13 are connected with pad 14.During assembling, the feed end of aerial coil 12 needs to walk around printed circuit board (PCB) 11 and welds with the pad 14 of reverse side, aerial coil 12 is bent 180 °, kink is as shown in figure 15, because printed circuit board (PCB) 11 thickness conventional in current miniaturized electronics is generally within 1mm, therefore, the kink 15 of coil 12 will bear larger folding force, and common FPC coil is easy to fracture, and cannot meet the demands; And kink 15 also will give prominence to printed circuit board (PCB) 11, occupy additional space.
Another kind of solution of the prior art as shown in Figure 2, with the difference of such scheme is: printed circuit board (PCB) 11 is provided with through hole 16, and the feed end of aerial coil 12 welds with the pad 14 of reverse side through through hole 16.And when realizing wireless charging or NFC function, in order to the magnetic field strengthened when aerial coil 12 works and the electromagnetic interference cut off between coil and printed circuit board (PCB), need between usual aerial coil 12 and printed circuit board (PCB) 11 to install one deck ferrite magnetic sheet additional, this ferrite magnetic sheet does not possess conductive capability, cut off the connection between through hole 16 and aerial coil, therefore, this structure cannot realize at wireless charging and NFC field.
Utility model content
In order to the antenna modules solved in existing miniaturized electronics takes up room the technical problem of installing greatly and not easily, the utility model provides a kind of antenna modules.
Described antenna modules comprises printed circuit board (PCB), and described printed circuit board (PCB) comprises first surface and second surface, and described first surface is provided with aerial coil, and second surface is provided with control circuit components and parts; Described first surface is provided with the feed end be connected with aerial coil, and described second surface is provided with the pad be connected with control circuit components and parts; Described antenna modules also comprises bayonet connection, and described bayonet connection is provided with the first connected link and the second link, and described first link is connected with feed end, and described second link is connected with pad.
The utility model by by aerial coil and printed circuit board (PCB) stacked together, and utilize bayonet connection that the pad on another surface of the feed end of aerial coil and printed circuit board (PCB) is connected conducting, and then making aerial coil and control circuit conducting, the signal realizing aerial coil is launched or receiving function.Antenna modules of the present utility model, substantially reduces the space shared by whole antenna modules, and the sound construction of bayonet connection, add the stability of whole antenna modules.
Under preferable case, described aerial coil is transmitting coil or the receiving coil of wireless charging.
Under preferable case, described aerial coil is near field communication antenna coil.
Under preferable case, described aerial coil is FPC coil.
Under preferable case, described bayonet connection comprises linking arm, and described first link is connected by described linking arm with the second link.
Under preferable case, described printed circuit board (PCB) has the side connecting first surface and second surface, and described side is provided with holding tank with linking arm relative position, and described linking arm is arranged in holding tank.
Under preferable case, described first link and the second link are provided with bend, and described bend is connected with feed end and pad respectively.
Under preferable case, between described aerial coil and printed circuit board (PCB), be provided with antifreeze plate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first antenna modules existing;
Fig. 2 is the structural representation of existing the second antenna modules;
Fig. 3 is the structural representation of the utility model antenna modules;
Fig. 4 is the structural representation of the utility model bayonet connection;
Fig. 5 is the assembling schematic diagram of the utility model bayonet connection.
Embodiment
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are described in further detail the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 3 to 5, antenna modules of the present utility model comprises printed substrate 11, printed substrate 11 comprises relative first surface and second surface, described first surface is provided with aerial coil 12, second surface is provided with control circuit components and parts 13, described first surface is also provided with the feed end be connected with aerial coil 12, second surface is provided with the pad be connected with control circuit components and parts 13, and described control circuit is used for control antenna coil 12 and receives or transmit.Described antenna modules also comprises bayonet connection 20, and described bayonet connection 20 is provided with the first connected link 21 and the second link 22, and described first link 21 is connected with the feed end of aerial coil, and described second link 22 is connected with pad.
Antenna modules of the present utility model can be transmitting coil in wireless charging field or receiving coil, also can be NFC(close range wireless communication) aerial coil.Aerial coil of the present utility model preferably adopts FPC coil, and those skilled in the art can select the FPC coil meeting different function requirements, and the utility model is not specifically limited.
Bayonet connection 20 of the present utility model also comprises the linking arm 23 of connection first link 21 and the second link 22, described first link 21 and the second link 22 are provided with bend with the position of distributing point or contact pads, better contact effect to reach.Gap between described upper and lower two bends is slightly less than or equals the spacing between aerial coil feed end and pad, to make the stability of total higher.Bayonet connection 20 adopts the good conductive metallic material of toughness to make, and as copper, iron or stainless steel etc., is preferably made of copper.
Printed circuit board (PCB) 11 of the present utility model comprises the side connecting first surface and second surface, and position relative with linking arm 23 on described side is provided with holding tank 30, and described linking arm 23 is arranged in holding tank 30.Linking arm 23 is arranged in holding tank, can reduce the space that whole antenna modules takies on the one hand, and described holding tank 30 can play spacing effect on the other hand, prevents bayonet connection 20 from causing displacement due to vibration, avoids affecting conduction property.
Antifreeze plate 17 is also provided with between aerial coil 12 of the present utility model and printed circuit board (PCB) 11, the Ferrite Material that antifreeze plate 17 adopts this area conventional is made, and antifreeze plate 17 can reduce metal components and parts on printed circuit board (PCB) to the impact of aerial coil 11 performance.
Aerial coil 12 of the present utility model is directly stacked together with printed circuit board (PCB) 11, and the connection conducting utilizing bayonet connection 20 to realize between aerial coil feed end and printed circuit board pads, and then making aerial coil and control circuit conducting, the signal achieving aerial coil is launched or receiving function.The space that the utility model utilizes bayonet connection 20 to reduce whole antenna modules to take, and syndeton is firm, adds the stability of whole antenna modules, is more suitable for applying in miniaturized electronics.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within characteristic sum principle of the present utility model any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. an antenna modules, comprises printed circuit board (PCB), and described printed circuit board (PCB) comprises first surface and second surface, and described first surface is provided with aerial coil, and second surface is provided with control circuit components and parts; Described first surface is provided with the feed end be connected with aerial coil, and described second surface is provided with the pad be connected with control circuit components and parts; It is characterized in that, described antenna modules also comprises bayonet connection, and described bayonet connection is provided with the first connected link and the second link, and described first link is connected with feed end, and described second link is connected with pad.
2. antenna modules according to claim 1, is characterized in that, described aerial coil is transmitting coil or the receiving coil of wireless charging.
3. antenna modules according to claim 1, is characterized in that, described aerial coil is near field communication antenna coil.
4. antenna modules as claimed in any of claims 1 to 3, is characterized in that, described aerial coil is FPC coil.
5. antenna modules according to claim 1, is characterized in that, described bayonet connection comprises linking arm, and described first link is connected by described linking arm with the second link.
6. antenna modules according to claim 5, is characterized in that, described printed circuit board (PCB) has the side connecting first surface and second surface, and described side is provided with holding tank with linking arm relative position, and described linking arm is arranged in holding tank.
7. antenna modules according to claim 1, is characterized in that, described first link and the second link are provided with bend, and described bend is connected with feed end and pad respectively.
8. antenna modules according to claim 1, is characterized in that, is provided with antifreeze plate between described aerial coil and printed circuit board (PCB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457107.9U CN204809393U (en) | 2015-06-30 | 2015-06-30 | Antenna module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457107.9U CN204809393U (en) | 2015-06-30 | 2015-06-30 | Antenna module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809393U true CN204809393U (en) | 2015-11-25 |
Family
ID=54594167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520457107.9U Active CN204809393U (en) | 2015-06-30 | 2015-06-30 | Antenna module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204809393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728409A (en) * | 2017-10-30 | 2019-05-07 | 法雷奥汽车内部控制（深圳）有限公司 | Induction charging antenna structure and its manufacturing method, wireless charging module |
| CN111211407A (en) * | 2018-11-21 | 2020-05-29 | 法雷奥舒适驾驶助手公司 | Antenna assembly and wireless charging device including the same |
-
2015
- 2015-06-30 CN CN201520457107.9U patent/CN204809393U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728409A (en) * | 2017-10-30 | 2019-05-07 | 法雷奥汽车内部控制（深圳）有限公司 | Induction charging antenna structure and its manufacturing method, wireless charging module |
| CN111211407A (en) * | 2018-11-21 | 2020-05-29 | 法雷奥舒适驾驶助手公司 | Antenna assembly and wireless charging device including the same |
| CN111211407B (en) * | 2018-11-21 | 2024-05-28 | 法雷奥舒适驾驶助手公司 | Antenna assembly and wireless charging device comprising such an antenna assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |