CN211017410U - High-isolation PCB antenna structure - Google Patents
High-isolation PCB antenna structure Download PDFInfo
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- CN211017410U CN211017410U CN201922102777.XU CN201922102777U CN211017410U CN 211017410 U CN211017410 U CN 211017410U CN 201922102777 U CN201922102777 U CN 201922102777U CN 211017410 U CN211017410 U CN 211017410U
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Abstract
The utility model relates to the technical field of PCB board antennas, and discloses a high-isolation PCB board antenna structure, which comprises a PCB board, a Bluetooth antenna, a first WiFi antenna, a second WiFi antenna, a first isolation unit, a second isolation unit, a first isolation oscillator and a second isolation oscillator, wherein the Bluetooth antenna is arranged on one side of the PCB board and is electrically connected with the PCB board; the first WiFi antenna and the second WiFi antenna are arranged on the other side of the PCB and are arranged oppositely, and the first WiFi antenna and the second WiFi antenna are electrically connected with the PCB; the first isolation unit is arranged between the Bluetooth antenna and the first WiFi antenna, the first isolation oscillator is arranged between the first isolation unit and the first WiFi antenna, the second isolation unit is arranged between the first WiFi antenna and the second WiFi antenna, and the second isolation oscillator is arranged on one side, facing the Bluetooth antenna, of the second WiFi antenna; the arrangement mode of the structure effectively improves the isolation between different antennas and greatly reduces the signal interference generated between different antennas.
Description
Technical Field
The utility model belongs to the technical field of the technique of PCB board antenna and specifically relates to a high isolation PCB board antenna structure.
Background
An antenna is a converter that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space), or vice versa; an antenna is a component used in a radio device to transmit or receive electromagnetic waves.
With the rapid development of communication technology, in order to realize the simultaneous bluetooth communication function and WiFi communication function, the bluetooth antenna and the WiFi antenna are usually integrated on one PCB, and due to the limitation of product space, the PCB is gradually miniaturized, which results in very small distance between the antennas on the PCB and low isolation between different antennas, resulting in serious signal interference between different antennas and affecting normal communication.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high isolation PCB board antenna structure aims at solving the problem of signal mutual interference between the different antennas on the PCB board among the prior art.
The utility model discloses a high isolation PCB antenna structure, which comprises a PCB board, a Bluetooth antenna, a first WiFi antenna, a second WiFi antenna, a first isolation unit, a second isolation unit, a first isolation oscillator and a second isolation oscillator, wherein the Bluetooth antenna, the first WiFi antenna, the second WiFi antenna, the first isolation unit, the second isolation unit, the first isolation oscillator and the second isolation oscillator are arranged on one side of the PCB board and are electrically connected with the PCB board; the first WiFi antenna and the second WiFi antenna are arranged on the other side of the PCB and are arranged opposite to each other, and the first WiFi antenna and the second WiFi antenna are electrically connected with the PCB; the first isolation unit is arranged between the Bluetooth antenna and the first WiFi antenna, the first isolation oscillator is arranged between the first isolation unit and the first WiFi antenna, the second isolation unit is arranged between the first WiFi antenna and the second WiFi antenna, and the second isolation oscillator is arranged on one side, facing the Bluetooth antenna, of the second WiFi antenna; first isolation oscillator is used for changing the field type of first wiFi antenna is in order to improve bluetooth antenna with isolation between the first wiFi antenna, the second isolation oscillator is used for changing the field type of second wiFi antenna is in order to improve bluetooth antenna with isolation between the second wiFi antenna, first isolation unit is used for improving bluetooth antenna with isolation between the first wiFi antenna, the second isolation unit is used for improving isolation between first wiFi antenna with between the second wiFi antenna.
Further, first isolation unit is including connecting the bluetooth antenna with the first antenna connecting wire of first wiFi antenna, first antenna connecting wire buckles many times and arranges in succession, in order to improve the bluetooth antenna with the isolation between the first wiFi antenna.
Furthermore, the second isolation unit comprises a second antenna connecting line for connecting the first WiFi antenna and the second WiFi antenna, and the second antenna connecting line is continuously bent for multiple times so as to improve the isolation between the first WiFi antenna and the second WiFi antenna.
Further, the PCB board is provided with the feeder, bluetooth antenna, first wiFi antenna and second wiFi antenna have the feed point respectively, the feed point of bluetooth antenna, first wiFi antenna and second wiFi antenna is the electricity respectively and is connected the feeder.
Compared with the prior art, the utility model provides a high isolation PCB board antenna structure, the isolation between bluetooth antenna and the first wiFi antenna has been improved through setting up first isolation element, the isolation between first wiFi antenna and the second wiFi antenna has been improved through setting up the second isolation element, first isolation oscillator is equivalent to a reflector, the field type of first wiFi antenna has been changed so that the signal transmission of first wiFi antenna towards bluetooth antenna direction transmission is walked, the isolation between bluetooth antenna and the first wiFi antenna has effectively been improved, the second isolation oscillator is also equivalent to a reflector, the field type of second wiFi antenna has been changed so that the signal transmission of second wiFi antenna towards bluetooth antenna direction transmission is walked, the isolation between bluetooth antenna and the second wiFi antenna has effectively been improved; the arrangement mode of the structure effectively improves the isolation between different antennas and greatly reduces the signal interference generated between different antennas.
Drawings
Fig. 1 is a schematic diagram of a high-isolation PCB antenna structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
Referring to fig. 1, a preferred embodiment of the present invention is provided.
A high-isolation PCB (printed circuit board) 1 antenna structure comprises a PCB 1, a Bluetooth antenna 2, a first WiFi antenna 3, a second WiFi antenna 4, a first isolation unit 5, a second isolation unit 6, a first isolation oscillator 7 and a second isolation oscillator 8, wherein the Bluetooth antenna 2 is arranged on one side of the PCB 1 and is electrically connected with the PCB 1; the first WiFi antenna 3 and the second WiFi antenna 4 are arranged on the other side of the PCB 1 and are arranged oppositely, and the first WiFi antenna 3 and the second WiFi antenna 4 are electrically connected with the PCB 1; the first isolation unit 5 is arranged between the Bluetooth antenna 2 and the first WiFi antenna 3, the first isolation oscillator 7 is arranged between the first isolation unit 5 and the first WiFi antenna 3, the second isolation unit 6 is arranged between the first WiFi antenna 3 and the second WiFi antenna 4, and the second isolation oscillator 8 is arranged on one side, facing the Bluetooth antenna 2, of the second WiFi antenna 4; first isolation oscillator 7 is used for changing the field type of first wiFi antenna 3 in order to improve the isolation between bluetooth antenna 2 and first wiFi antenna 3, second isolation oscillator 8 is used for changing the field type of second wiFi antenna 4 in order to improve the isolation between bluetooth antenna 2 and second wiFi antenna 4, first isolation unit 5 is used for improving the isolation between bluetooth antenna 2 and first wiFi antenna 3, second isolation unit 6 is used for improving the isolation between first wiFi antenna 3 and second wiFi antenna 4.
According to the high-isolation PCB 1 antenna structure, the isolation between the Bluetooth antenna 2 and the first WiFi antenna 3 is improved by arranging the first isolation unit 5, the isolation between the first WiFi antenna 3 and the second WiFi antenna 4 is improved by arranging the second isolation unit 6, the first isolation oscillator 7 is equivalent to a reflector, the field type of the first WiFi antenna 3 is changed, so that signals emitted by the first WiFi antenna 3 towards the Bluetooth antenna 2 are emitted, the isolation between the Bluetooth antenna 2 and the first WiFi antenna 3 is effectively improved, the second isolation oscillator 8 is equivalent to a reflector, the field type of the second WiFi antenna 4 is changed, so that signals emitted by the second WiFi antenna 4 towards the Bluetooth antenna 2 are reflected, and the isolation between the Bluetooth antenna 2 and the second WiFi antenna 4 is effectively improved; the arrangement mode of the structure effectively improves the isolation between different antennas and greatly reduces the signal interference generated between different antennas.
Specifically, first isolation unit 5 is including the first antenna connecting wire of connecting bluetooth antenna 2 and first wiFi antenna 3, and first antenna connecting wire buckles many times and arranges in succession to improve the isolation between bluetooth antenna 2 and the first wiFi antenna 3.
Furthermore, the second isolation unit 6 includes a second antenna connection line connecting the first WiFi antenna 3 and the second WiFi antenna 4, and the second antenna connection line is bent for multiple times and continuously arranged to improve the isolation between the first WiFi antenna 3 and the second WiFi antenna 4.
In this embodiment, the PCB board 1 is provided with the feeder, and bluetooth antenna 2, first WiFi antenna 3 and second WiFi antenna 4 have the feed point respectively, and the feed point of bluetooth antenna 2, first WiFi antenna 3 and second WiFi antenna 4 is the electricity connection feeder respectively.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A high-isolation PCB antenna structure is characterized by comprising a PCB, a Bluetooth antenna, a first WiFi antenna, a second WiFi antenna, a first isolation unit, a second isolation unit, a first isolation oscillator and a second isolation oscillator, wherein the Bluetooth antenna is arranged on one side of the PCB and is electrically connected with the PCB; the first WiFi antenna and the second WiFi antenna are arranged on the other side of the PCB and are arranged opposite to each other, and the first WiFi antenna and the second WiFi antenna are electrically connected with the PCB; the first isolation unit is arranged between the Bluetooth antenna and the first WiFi antenna, the first isolation oscillator is arranged between the first isolation unit and the first WiFi antenna, the second isolation unit is arranged between the first WiFi antenna and the second WiFi antenna, and the second isolation oscillator is arranged on one side, facing the Bluetooth antenna, of the second WiFi antenna; first isolation oscillator is used for changing the field type of first wiFi antenna is in order to improve bluetooth antenna with isolation between the first wiFi antenna, the second isolation oscillator is used for changing the field type of second wiFi antenna is in order to improve bluetooth antenna with isolation between the second wiFi antenna, first isolation unit is used for improving bluetooth antenna with isolation between the first wiFi antenna, the second isolation unit is used for improving isolation between first wiFi antenna with between the second wiFi antenna.
2. The PCB antenna structure of claim 1, wherein the first isolation unit comprises a first antenna connection line connecting the Bluetooth antenna and the first WiFi antenna, and the first antenna connection line is continuously arranged by being bent for a plurality of times to improve the isolation between the Bluetooth antenna and the first WiFi antenna.
3. The PCB antenna structure with high isolation of claim 2, wherein the second isolation unit comprises a second antenna connection line connecting the first WiFi antenna and the second WiFi antenna, and the second antenna connection line is continuously arranged by being bent for a plurality of times so as to improve the isolation between the first WiFi antenna and the second WiFi antenna.
4. The PCB antenna structure of claim 3, wherein the PCB is provided with a feeder line, the Bluetooth antenna, the first WiFi antenna and the second WiFi antenna are respectively provided with a feed point, and the feed points of the Bluetooth antenna, the first WiFi antenna and the second WiFi antenna are respectively electrically connected with the feeder line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922102777.XU CN211017410U (en) | 2019-11-28 | 2019-11-28 | High-isolation PCB antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922102777.XU CN211017410U (en) | 2019-11-28 | 2019-11-28 | High-isolation PCB antenna structure |
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| Publication Number | Publication Date |
|---|---|
| CN211017410U true CN211017410U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922102777.XU Active CN211017410U (en) | 2019-11-28 | 2019-11-28 | High-isolation PCB antenna structure |
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| CN (1) | CN211017410U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644426A (en) * | 2021-07-23 | 2021-11-12 | 深圳市兆驰股份有限公司 | Antenna with a shield |
| CN113690613A (en) * | 2021-08-12 | 2021-11-23 | 深圳市中天迅通信技术股份有限公司 | WiFi module and method for improving isolation between WiFi antenna and BT antenna |
| CN113904108A (en) * | 2021-10-12 | 2022-01-07 | 深圳市中天迅通信技术股份有限公司 | Structure for improving isolation of antenna |
| WO2023040605A1 (en) * | 2021-09-17 | 2023-03-23 | 荣耀终端有限公司 | Wi-fi and bluetooth combined antenna device and configuration method therefor, and terminal device |
-
2019
- 2019-11-28 CN CN201922102777.XU patent/CN211017410U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644426A (en) * | 2021-07-23 | 2021-11-12 | 深圳市兆驰股份有限公司 | Antenna with a shield |
| CN113644426B (en) * | 2021-07-23 | 2025-05-06 | 深圳市兆驰股份有限公司 | antenna |
| CN113690613A (en) * | 2021-08-12 | 2021-11-23 | 深圳市中天迅通信技术股份有限公司 | WiFi module and method for improving isolation between WiFi antenna and BT antenna |
| WO2023040605A1 (en) * | 2021-09-17 | 2023-03-23 | 荣耀终端有限公司 | Wi-fi and bluetooth combined antenna device and configuration method therefor, and terminal device |
| CN113904108A (en) * | 2021-10-12 | 2022-01-07 | 深圳市中天迅通信技术股份有限公司 | Structure for improving isolation of antenna |
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