CN217387523U - Antenna unit applied to mobile phone - Google Patents
Antenna unit applied to mobile phone Download PDFInfo
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- CN217387523U CN217387523U CN202220891056.0U CN202220891056U CN217387523U CN 217387523 U CN217387523 U CN 217387523U CN 202220891056 U CN202220891056 U CN 202220891056U CN 217387523 U CN217387523 U CN 217387523U
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Abstract
The application relates to an antenna unit applied to a mobile phone, comprising: a substrate and an antenna module; the substrate comprises a dielectric layer and a metal layer, and the dielectric layer covers the metal layer; the antenna module is arranged on the substrate and comprises a radiation structure and a feed structure; the radiation structure is arranged on the metal layer and used for radiating electromagnetic waves; the feed structure is arranged on the dielectric layer and used for feeding electricity to the radiation structure; the radiation structure is a slot arranged on the metal layer, and the feed structure is a linear metal sheet arranged on the dielectric layer; the base plate is of an L-shaped structure and comprises a main plate and a vertical plate; one end of the main board is connected with one end of the vertical plate, and a dividing line is formed at the junction of the main board and the vertical plate. The antenna unit in the application has a simple structure and good performance.
Description
Technical Field
The present application relates to the field of antenna technology, and in particular, to an antenna unit for a mobile phone.
Background
With the development of wireless communication technology, the communication environment is increasingly complex, and in order to meet various communication requirements, a communication system is developed towards a wide frequency band, a large capacity and multiple functions. The antenna is an important device of a wireless communication system, all electromagnetic waves transmitted and received need to pass through the antenna, so that the quality of the antenna directly influences the overall performance of the wireless communication system.
In order to comply with the development of modern wireless communication technology, different antenna units need to be developed so that the handset antenna can have better performance.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an antenna unit for a mobile phone, which has a simple structure and good performance.
An antenna unit applied to a mobile phone, comprising: a substrate and an antenna module;
the substrate comprises a dielectric layer and a metal layer, and the dielectric layer covers the metal layer;
the antenna module is arranged on the substrate and comprises a radiation structure and a feed structure; the radiation structure is arranged on the metal layer and used for radiating electromagnetic waves; the feed structure is arranged on the dielectric layer and used for feeding the radiation structure.
In one embodiment, the radiating structure is a slot formed on the metal layer, and the feeding structure is a linear metal sheet formed on the dielectric layer.
In one embodiment, the substrate is an L-shaped structure, and includes a main plate and a vertical plate; one end of the main board is connected with one end of the vertical plate, and a dividing line is formed at the junction of the main board and the vertical plate.
In one embodiment, the radiating structure comprises: a first groove section, a second groove section and a third groove section; the first groove section, the second groove section and the third groove section are all in a linear shape;
the first groove section is vertically arranged on the vertical plate, one end of the first groove section is arranged at the edge of the vertical plate, and the other end of the first groove section is arranged on the dividing line;
the second groove section is transversely arranged on the vertical plate and is connected with the dividing line, one end of the second groove section is connected with the other end of the first groove section, and the other end of the second groove section faces the direction of the feed structure;
the third groove section is transversely arranged on the main board and connected with the dividing line, one end of the third groove section is connected with the first groove section and the second groove section, and the other end of the third groove section faces the direction of the feed structure.
In one embodiment, the feeding structure includes: a first branch, a second branch and a third branch; the first branch knot, the second branch knot and the third branch knot are all in a straight line shape;
the first branch knot is transversely arranged on the vertical plate, one end of the first branch knot faces the direction of the radiation structure, and the other end of the first branch knot is connected with one end of the second branch knot;
the second branch knot is arranged on the vertical plate along the vertical direction, and the other end of the second branch knot is arranged on the dividing line;
the third branch knot is longitudinally arranged on the main board, one end of the third branch knot is connected with the other end of the second branch knot, and the other end of the third branch knot extends towards the direction departing from the vertical plate.
In one embodiment, a gap is formed between the second groove section and the first branch section along the transverse direction, and one end of the third branch section passes through the upper part of the third groove section and then is connected to the second branch section.
In one embodiment, further comprising: the coaxial connectors are arranged on the metal layer and correspond to the feed structures one to one;
one end of the coaxial connector is connected with the metal layer, and the other end of the coaxial connector penetrates through the substrate and is connected with the corresponding feed structure.
In one embodiment, the dielectric layer is made of glass fiber epoxy resin material.
The antenna unit applied to the mobile phone divides the substrate into the dielectric layer and the metal layer, and the antenna module is arranged on the substrate, specifically, the feed structure is arranged on the dielectric layer and the radiation structure is arranged on the metal layer, so that the transmission of antenna signals can be realized; the antenna unit has a simple structure, is easy to process, is particularly suitable for various mobile phones, and can enable the mobile phone antenna to have larger data capacity and higher transmission efficiency, thereby improving the overall performance of the mobile phone antenna.
Drawings
Fig. 1 is a schematic perspective view of an antenna unit applied to a mobile phone according to an embodiment;
fig. 2 is a schematic perspective view of a second embodiment of an antenna unit for a mobile phone;
fig. 3 is an enlarged schematic view of an antenna unit applied to a mobile phone in one embodiment.
Reference numerals:
the structure comprises a dielectric layer 1, a metal layer 2, a main board 3, a vertical board 4, a dividing line 5, a first groove section 10, a second groove section 20, a third groove section 30, a first branch 11, a second branch 22 and a third branch 33.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1 to fig. 3, an antenna unit applied to a mobile phone provided by the present application includes, in an embodiment: a substrate and an antenna module;
the substrate comprises a dielectric layer 1 and a metal layer 2, wherein the dielectric layer 1 covers the metal layer 2;
the antenna module is arranged on the substrate and comprises a radiation structure and a feed structure; the radiation structure is arranged on the metal layer 2 and used for radiating electromagnetic waves; the feed structure is arranged on the dielectric layer 1 and used for feeding the radiation structure.
In the present embodiment, the specific shape of the substrate is not limited.
Preferably, the base plate is of an L-shaped structure and comprises a main plate 3 and a vertical plate 4; one end of the main board 3 is connected with one end of the vertical plate 4, and a dividing line 5 is formed at the junction of the main board 3 and the vertical plate 4.
The embodiment also does not limit the specific size of the substrate, and can be specifically set according to actual needs.
Preferably, the size of the main board 3 is 150mm × 75mm, the size of the vertical plate 4 is 150mm × 7mm, which is identical to the main stream size of the current mobile phone, the thicknesses of the main board 3 and the vertical plate 4 are equal, and the two are perpendicular to each other.
The dielectric layer 1 can be made of glass fiber epoxy resin material, and the metal layer 2 can be made of any metal material, preferably copper. The dielectric layer 1 and the metal layer 2 are adhered to each other.
The radiation structure is a slot arranged on the metal layer 2, and the feed structure is a linear metal sheet arranged on the dielectric layer 1.
Specifically, the radiation structure includes: a first trough section 10, a second trough section 20 and a third trough section 30; the first, second and third channel sections 10, 20, 30 are all rectilinear in shape; the first groove section 10 is vertically arranged on the vertical plate 4, one end of the first groove section 10 is arranged on the edge of the vertical plate 4, and the other end of the first groove section 10 is arranged on the dividing line 5; the second slot segment 20 is transversely arranged on the vertical plate 4 and connected with the dividing line 5, one end of the second slot segment 20 is connected with the other end of the first slot segment 10, and the other end faces the direction of the feed structure; the third slot 30 is transversely disposed on the main board 3 and connected to the dividing line 5, one end of the third slot 30 is connected to the first slot 10 and the second slot 20, and the other end faces the direction of the feed structure.
The feeding structure includes: a first branch 11, a second branch 22 and a third branch 33; the first branch 11, the second branch 22 and the third branch 33 are all in a linear shape; the first branch 11 is transversely arranged on the vertical plate 4, one end of the first branch 11 faces the direction of the radiation structure, and the other end of the first branch is connected with one end of the second branch 22; the second branch 22 is vertically arranged on the vertical plate 4, and the other end of the second branch 22 is arranged on the dividing line 5; the third branch 33 is longitudinally arranged on the main board 3, one end of the third branch 33 is connected with the other end of the second branch 22, and the other end extends in a direction departing from the vertical plate 4.
In addition, a gap along the transverse direction is formed between the second groove section 20 and the first branch section 11, and one end of the third branch section 33 passes through the upper part of the third groove section 30 and then is connected to the second branch section 22.
It should be noted that: the substrate is transverse along the length direction of the substrate, longitudinal along the width direction of the substrate, and vertical along the height direction of the substrate.
In one embodiment, further comprising: the coaxial connectors are arranged on the metal layer 2 and correspond to the feed structures one by one; one end of the coaxial connector is connected with the metal layer 2, and the other end of the coaxial connector penetrates through the substrate and then is connected with the corresponding feed structure.
The working process of the embodiment is as follows: the coaxial connector collects antenna signals, the antenna signals enter the radiation structure after being sequentially transmitted through the third branch, the second branch and the first branch of the feed structure, and then electromagnetic waves are radiated out after passing through the third groove section, the second groove section and the first groove section.
The antenna unit applied to the mobile phone divides the substrate into the dielectric layer and the metal layer, and the antenna module is arranged on the substrate, specifically, the feed structure is arranged on the dielectric layer and the radiation structure is arranged on the metal layer, so that the transmission of antenna signals can be realized; the antenna unit has a simple structure, is easy to process, is particularly suitable for various mobile phones, and can enable the mobile phone antenna to have larger data capacity and higher transmission efficiency, thereby improving the overall performance of the mobile phone antenna.
The antenna units can be arranged in the mobile phone antenna in pairs (such as symmetrical) or in an array mode to achieve the working bandwidth of 3.3-6 GHz (57.3%), and completely cover N77/N78/N79 and WLAN 5GHz frequency bands, so that the mobile phone antenna adopting the antenna units can achieve or exceed 50% of total efficiency, and ECC is lower than 0.08; moreover, the antenna unit in the application has a simple structure and a small volume, reduces the waste of space resources, can realize the miniaturization design of the antenna, has good performance, can meet the design trend of a metal frame of a mobile phone antenna, meets the performance requirement of a modern mobile terminal on the antenna, and is a good 5G mobile terminal antenna solution.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as 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 express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. An antenna unit for a mobile phone, comprising: a substrate and an antenna module;
the substrate comprises a dielectric layer and a metal layer, and the dielectric layer covers the metal layer;
the antenna module is arranged on the substrate and comprises a radiation structure and a feed structure; the radiation structure is arranged on the metal layer and used for radiating electromagnetic waves; the feed structure is arranged on the dielectric layer and used for feeding the radiation structure.
2. The antenna unit of claim 1, wherein the radiating structure is a slot formed in the metal layer, and the feeding structure is a wire-like metal sheet formed on the dielectric layer.
3. The antenna unit applied to the mobile phone according to claim 2, wherein the substrate is an L-shaped structure and comprises a main board and a vertical board; one end of the main board is connected with one end of the vertical plate, and a dividing line is formed at the junction of the main board and the vertical plate.
4. The antenna unit of claim 3, wherein the radiating structure comprises: a first groove section, a second groove section and a third groove section; the first groove section, the second groove section and the third groove section are all in a linear shape;
the first groove section is vertically arranged on the vertical plate, one end of the first groove section is arranged at the edge of the vertical plate, and the other end of the first groove section is arranged on the dividing line;
the second groove section is transversely arranged on the vertical plate and is connected with the dividing line, one end of the second groove section is connected with the other end of the first groove section, and the other end of the second groove section faces the direction of the feed structure;
the third groove section is transversely arranged on the main board and connected with the dividing line, one end of the third groove section is connected with the first groove section and the second groove section, and the other end of the third groove section faces the direction of the feed structure.
5. The antenna unit of claim 4, wherein the feeding structure comprises: a first branch, a second branch and a third branch; the first branch, the second branch and the third branch are all in a linear shape;
the first branch is transversely arranged on the vertical plate, one end of the first branch faces the direction of the radiation structure, and the other end of the first branch is connected with one end of the second branch;
the second branch knot is arranged on the vertical plate along the vertical direction, and the other end of the second branch knot is arranged on the dividing line;
the third branch knot is longitudinally arranged on the main board, one end of the third branch knot is connected with the other end of the second branch knot, and the other end of the third branch knot extends towards the direction departing from the vertical plate.
6. The antenna unit of claim 5, wherein a gap is formed between the second slot segment and the first stub along the transverse direction, and one end of the third stub passes through the upper portion of the third slot segment and is connected to the second stub.
7. The antenna unit for a mobile phone according to claim 5 or 6, further comprising: the coaxial connectors are arranged on the metal layer and correspond to the feed structures one to one;
one end of the coaxial connector is connected with the metal layer, and the other end of the coaxial connector penetrates through the substrate and is connected with the corresponding feed structure.
8. The antenna unit of any one of claims 1 to 6, wherein the dielectric layer is made of glass fiber epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220891056.0U CN217387523U (en) | 2022-04-18 | 2022-04-18 | Antenna unit applied to mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220891056.0U CN217387523U (en) | 2022-04-18 | 2022-04-18 | Antenna unit applied to mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217387523U true CN217387523U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220891056.0U Active CN217387523U (en) | 2022-04-18 | 2022-04-18 | Antenna unit applied to mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217387523U (en) |
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2022
- 2022-04-18 CN CN202220891056.0U patent/CN217387523U/en active Active
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