CN212587711U - Antenna structure and electronic product - Google Patents
Antenna structure and electronic product Download PDFInfo
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- CN212587711U CN212587711U CN202021263486.5U CN202021263486U CN212587711U CN 212587711 U CN212587711 U CN 212587711U CN 202021263486 U CN202021263486 U CN 202021263486U CN 212587711 U CN212587711 U CN 212587711U
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Abstract
The utility model provides an antenna structure and electronic product, include: a metal housing; the circuit main board is arranged opposite to the metal shell, and a gap between the circuit main board and the metal shell forms a feed space; the metal shell and the circuit main board are insulated and not conductive; the laser direct structuring antenna LDS is coupled with the metal shell; the circuit main board is connected with the laser direct structuring antenna LDS. WIFI, 5G antenna bandwidth are narrow can be solved to antenna structure, receive the big problem of a part influence, improve the antenna performance.
Description
Technical Field
The utility model relates to a test field, in particular to electronic product antenna structure, and contain the electronic product of this structure.
Background
With the development of society, the design of mobile phones is increasingly diversified, especially the design of metal ring mobile phones. Antenna headroom is less, and metal device influences greatly, and traditional design generally adopts to connect the metal frame to debug antenna and add FPC or LDS scheme design, and this scheme design antenna performance is more stable, but receives components and parts influence greatly, and especially high band antenna WIFI, 5G antenna influence are great.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an antenna structure is provided, can solve WIFI, 5G antenna bandwidth narrow, receive the problem that the part influence is big, improve the antenna performance.
In order to solve the technical problem, the utility model provides an antenna structure, include: a metal housing; the circuit main board is arranged opposite to the metal shell, and a gap between the circuit main board and the metal shell forms a feed space; the metal shell and the circuit main board are insulated and not conductive; the laser direct structuring antenna LDS is coupled with the metal shell; the circuit main board is connected with the laser direct structuring antenna LDS.
Antenna structure's beneficial effect lies in: the problem that the influence of a receiving part is large due to narrow bandwidths of WIFI and 5G antennas can be solved, and the performance of the antenna is improved.
Preferably, the laser direct structuring antenna LDS is an in-mold injection molded antenna.
Preferably, the metal housing is connected to the circuit board through a resistive, inductive or inductive device.
Preferably, the laser direct-molding in-mold injection antenna and the metal shell are insulated and non-conductive, and are coupled through capacitance or electromagnetic coupling.
Preferably, the circuit main board is connected with the laser direct molding in-mold injection molding antenna through a spring plate.
Preferably, the elastic sheet is positioned at the top of the circuit main board.
The utility model also provides an electronic product, including the antenna, include: a metal housing; the circuit main board is arranged opposite to the metal shell, and a gap between the circuit main board and the metal shell forms a feed space; the metal shell and the circuit main board are insulated and not conductive; the laser direct structuring antenna LDS is coupled with the metal shell; the circuit main board is connected with the laser direct structuring antenna LDS.
The beneficial effects of electronic product lie in: the problem that the influence of a receiving part is large due to narrow bandwidths of WIFI and 5G antennas can be solved, and the performance of the antenna is improved.
Preferably, the laser direct structuring antenna LDS is an in-mold injection molded antenna.
Preferably, the metal housing is connected to the circuit board through a resistive, inductive or inductive device.
Preferably, the laser direct-molding in-mold injection antenna and the metal shell are insulated and non-conductive, and are coupled through capacitance or electromagnetic coupling; the circuit main board is connected with the laser direct forming in-mold injection antenna through an elastic sheet; the elastic sheet is positioned at the top of the circuit main board.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of an antenna structure according to an embodiment of the present invention;
fig. 2 is another schematic diagram of the antenna structure according to the first embodiment of the present invention.
The various reference numbers in the figures:
101. metal casing, 102, circuit mainboard, 103, laser direct structuring antenna LDS, 104, metal shell fragment.
Detailed Description
The first embodiment,
The utility model relates to an antenna structure, concrete structure is as shown in figure 1, figure 2, include: a metal case 101; a circuit board 102 disposed opposite to the metal casing 101, wherein a gap between the circuit board 102 and the metal casing 101 forms a feeding space;
the metal shell 101 and the circuit main board 102 are insulated and non-conductive; the laser direct structuring antenna LDS103 is coupled with the metal shell 101; the circuit main board 102 is connected to the laser direct structuring antenna LDS 103.
The laser direct structuring antenna LDS103 is an in-mold injection molded antenna. The metal housing 101 is connected to the circuit board 102 through a resistor, an inductor, or an inductor. The laser direct-molding in-mold injection molding antenna 103 and the metal shell 101 are insulated and non-conductive, and are coupled through capacitance or electromagnetic coupling.
The circuit main board 102 is connected with the laser direct molding in-mold injection molding antenna 103 through an elastic sheet 104. The elastic sheet 104 is located on the top of the circuit main board 102.
WIFI, 5G antenna bandwidth are narrow can be solved to antenna structure, receive the big problem of a part influence, improve the antenna performance.
LDS antenna 103 technique indicates Laser Direct structuring technique (Laser-Direct-structuring), utilizes the computer according to the motion of conductive pattern's trajectory control Laser, shines Laser on the three-dimensional plastic device of molding, in the time of several seconds, activates out circuit pattern.
In brief (for the design and production of the mobile phone antenna), a metal antenna pattern is directly formed on a formed plastic support by chemical plating by using a laser technology. By the technology, the antenna can be directly radiussed on the shell of the mobile phone.
The antenna has the advantages that the antenna is more stable, the interference of internal components can be avoided, more design space can be saved, and the mobile phone can be made thinner.
Advantages of the LDS antenna 103 technology:
1. the produced antenna has stable performance, good consistency, high precision, durable laser system and less maintenance, is suitable for 7X24 uninterrupted production, has low failure rate, and can fully utilize the three-dimensional structure of the bracket to form the antenna pattern.
2. The manufacturing process is short, a circuit pattern die is not needed, and the environment is protected. For the antenna RF, it is only necessary to provide a three-dimensional CAD drawing, and the process of communicating with ME and die repetition modification is omitted.
3. Because the antenna is radiussed on the shell of the mobile phone, the interference of components inside the mobile phone is avoided, and the signal of the mobile phone is ensured.
4. Meanwhile, the utilization rate of the space of the mobile phone is enhanced, and the body of the smart phone can be thin to a certain degree.
The loop antenna is a structure in which a metal wire is wound into a certain shape, such as a circle, a square, a triangle, etc., and the two ends of the conductor are used as the output end. A multi-turn (e.g., helical or lap wound) wound loop antenna is known as a multi-turn loop antenna.
A typical loop antenna consists of an electrical loop formed by copper traces on a circuit board, and may also be a length of wire formed into a loop. The equivalent circuit is equivalent to the series connection of two series resistors and an inductor.
FPC, pull out the antenna circuit on the PCB board in other words, do the antenna with other outside metals.
The utility model discloses an antenna structure can be applicable to various fields that need use the antenna, can be applied to the radio frequency of various electronic product commonly used such as cell-phone, computer, wearable equipment.
Example II,
The utility model also provides an electronic product, this kind of electronic product can be various electronic products commonly used such as cell-phone, computer, wearable equipment.
The method comprises the following steps: a metal case 101; a circuit board 102 disposed opposite to the metal casing 101, wherein a gap between the circuit board 102 and the metal casing 101 forms a feeding space; the metal shell 101 and the circuit main board 102 are insulated and non-conductive;
the laser direct structuring antenna LDS103 is coupled with the metal shell 101; the circuit main board 102 is connected to the laser direct structuring antenna LDS 103.
The laser direct structuring antenna LDS103 is an in-mold injection molded antenna. The metal housing 101 is connected to the circuit board 102 through a resistor, an inductor, or an inductor.
The laser direct-molding in-mold injection molding antenna 103 and the metal shell 101 are insulated and non-conductive, and are coupled through capacitance or electromagnetic coupling.
The circuit main board 102 is connected with the laser direct molding in-mold injection molding antenna 103 through an elastic sheet 104. The elastic sheet 104 is located on the top of the circuit main board 102.
WIFI, 5G antenna bandwidth are narrow can be solved to antenna structure, receive the big problem of a part influence, improve the antenna performance.
The present invention is not limited to the embodiments discussed above. The foregoing description of the specific embodiments is intended to illustrate and describe the technical solutions of the present invention. Obvious modifications or alternatives based on the teachings of the invention should also be considered to fall within the scope of the invention. The above detailed description is provided to disclose the best mode of carrying out the invention, so that those skilled in the art can apply the invention in its various embodiments and in its various alternative ways to achieve the objects of the invention.
Claims (10)
1. An antenna structure, comprising:
a metal housing;
the circuit main board is arranged opposite to the metal shell, and a gap between the circuit main board and the metal shell forms a feed space;
the metal shell and the circuit main board are insulated and not conductive;
the laser direct structuring antenna LDS is coupled with the metal shell;
the circuit main board is connected with the laser direct structuring antenna LDS.
2. The antenna structure according to claim 1, characterized in that the laser direct structuring antenna LDS is an in-mold injection antenna.
3. The antenna structure of claim 1, wherein the metal housing is connected to the circuit board by a resistive, inductive, or inductive device.
4. The antenna structure of claim 2, wherein the laser direct structuring in-mold antenna is non-conductive with respect to insulation between the metal housing and the antenna, and wherein the antenna structure is capacitively or electromagnetically coupled to the metal housing.
5. The antenna structure of claim 4, wherein the circuit board is connected to the laser direct structuring in-mold injection antenna through a spring plate.
6. The antenna structure of claim 5, wherein the spring plate is located on top of the circuit board.
7. An electronic product including an antenna, comprising:
a metal housing;
the circuit main board is arranged opposite to the metal shell, and a gap between the circuit main board and the metal shell forms a feed space;
the metal shell and the circuit main board are insulated and not conductive;
the laser direct structuring antenna LDS is coupled with the metal shell;
the circuit main board is connected with the laser direct structuring antenna LDS.
8. An electronic product according to claim 7, characterized in that the laser direct structuring antenna LDS is an in-mold injection antenna.
9. The electronic product of claim 8, wherein the metal housing is connected to the circuit board via a resistive, inductive, or inductive device.
10. The electronic product of claim 9, wherein the laser direct structuring in-mold antenna is electrically non-conductive with respect to insulation between the metal housing and the laser direct structuring in-mold antenna, and wherein the antenna and the metal housing are coupled by capacitance or electromagnetic coupling;
the circuit main board is connected with the laser direct forming in-mold injection antenna through an elastic sheet;
the elastic sheet is positioned at the top of the circuit main board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021263486.5U CN212587711U (en) | 2020-07-01 | 2020-07-01 | Antenna structure and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021263486.5U CN212587711U (en) | 2020-07-01 | 2020-07-01 | Antenna structure and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212587711U true CN212587711U (en) | 2021-02-23 |
Family
ID=74654461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021263486.5U Active CN212587711U (en) | 2020-07-01 | 2020-07-01 | Antenna structure and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212587711U (en) |
-
2020
- 2020-07-01 CN CN202021263486.5U patent/CN212587711U/en active Active
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