CN215816380U - Novel bluetooth headset antenna and bluetooth headset - Google Patents
Novel bluetooth headset antenna and bluetooth headset Download PDFInfo
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- CN215816380U CN215816380U CN202121816097.5U CN202121816097U CN215816380U CN 215816380 U CN215816380 U CN 215816380U CN 202121816097 U CN202121816097 U CN 202121816097U CN 215816380 U CN215816380 U CN 215816380U
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Abstract
A novel Bluetooth earphone antenna comprises a first circuit board, a second circuit board, a main radiating body and an FPC (flexible printed circuit) flat cable; the first circuit board surface and the second circuit board surface are arranged in parallel at a preset interval; copper is paved on the two plate surfaces of the first circuit board and the two plate surfaces of the second circuit board; the first circuit board is provided with a copper paving hole connected with the two board surfaces of the first circuit board; two ends of the FPC are respectively connected with the copper paving on one board surface of the first circuit board and the copper paving on one board surface of the second circuit board; the first circuit board is provided with a feed point and a main chip, the feed point is connected with the main chip through a radio frequency microstrip transmission line, the novel antenna with the dipole antenna function is constructed, the FPC flat cable is used as one part of the antenna, the length of the antenna can be prolonged, the problem that the optimal length cannot be achieved due to limited space is solved, the gain of the antenna is improved in the limited space area, the radiation intensity is improved, the efficiency of the antenna is improved, and the radiation direction of the antenna is improved.
Description
Technical Field
The utility model relates to the technical field of communication equipment, in particular to a novel Bluetooth headset antenna and a Bluetooth headset.
Background
An antenna is a converter which converts a guided wave on a transmission line into an electromagnetic wave propagating in a free space or vice versa, and is a part for transmitting or receiving an electromagnetic wave in a radio apparatus, and is classified into a monopole antenna and a dipole antenna, wherein the dipole antenna has a better receiving effect than the monopole antenna.
In bluetooth headsets, dipole antennas are not widely used due to their compact construction. Therefore, the problem that how to improve the receiving effect of the Bluetooth headset is needed to be solved on the premise of keeping the compact structure of the Bluetooth headset is solved.
SUMMERY OF THE UTILITY MODEL
Object of the application
In view of the above, the present invention provides a novel bluetooth headset antenna and a bluetooth headset to improve the receiving effect of the bluetooth headset.
(II) technical scheme
The application discloses a novel Bluetooth earphone antenna, which is characterized by comprising a first circuit board, a second circuit board, a thimble, a main radiating body and a FPC (flexible printed circuit) flat cable; the surface of the first circuit board and the surface of the second circuit board are arranged in parallel at a preset interval; copper is paved on the two plate surfaces of the first circuit board and the two plate surfaces of the second circuit board; the first circuit board is provided with a copper paving hole connected with the two board surfaces of the first circuit board; two ends of the FPC are respectively connected with the copper paving on one board surface of the first circuit board and the copper paving on one board surface of the second circuit board; the surface of the first circuit board, which is far away from the second circuit board, is provided with a feed point and a main chip, and the feed point is connected with the main chip through a radio frequency microstrip transmission line; one end of the ejector pin is connected with the feed point, and the other end of the ejector pin is connected with the main radiator, so that the main radiator and the board surface of one side, close to the main radiator, of the first circuit board are arranged at intervals.
Furthermore, the thimble is perpendicular to the first circuit board face.
Further, the main radiator is any one of an FPC antenna, a laser etching antenna, a printed antenna and a ceramic antenna.
Further, the radiation area of the main radiator is not less than 30MM2。
Furthermore, the distance between the main radiator and the board surface of the first circuit board on the side close to the main radiator is not less than 1.5 MM.
Furthermore, the FPC flat cable comprises two signal ground wires which are respectively arranged on the outermost sides of the flat cable.
Further, the sum of the lengths of the main radiating body, the thimble, the first circuit board copper laying and the FPC flat cable is equal to a preset value.
Further, the preset value is one half of the wavelength of the received signal.
Further, this application still provides a bluetooth headset, including battery, earphone and novel bluetooth headset antenna, the battery sets up first circuit board with between the second circuit board, the earphone sets up one side that the battery was kept away from to the second circuit board and with the second circuit board is connected.
Further, the battery is close to the second circuit board, and the positive electrode and the negative electrode of the battery are close to the second circuit board.
(III) advantageous effects
According to the novel Bluetooth earphone antenna disclosed by the application, a novel antenna with a dipole antenna function is constructed, the length of the antenna can be increased by taking a FPC (flexible printed circuit) flat cable as a part of the antenna, the receiving direction of an antenna signal is also increased, the problem that the optimal length cannot be achieved due to limited space is solved, the gain of the antenna is improved in the limited space area, the radiation intensity is improved, the efficiency of the antenna is improved, and the radiation direction of the antenna is improved; the distance between the main radiator and the first circuit board is separated through the ejector pin, so that the interference of the first circuit board to the main radiator is avoided.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model, the objects and other advantages of the utility model being set forth in the description which follows.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of a first circuit board of the present invention;
FIG. 3 is a FPC layout diagram of the present invention;
in the figure: 1. a first circuit board; 2. a second circuit board; 3. a main chip; 4. a thimble; 5. a main radiator; 6. a connecting seat; 7. FPC cable arrangement; 8. a battery; 9 a receiver; 10. a positive electrode connecting wire; 12 a negative electrode connecting wire; 13. a radio frequency microstrip transmission line; 601. a first signal ground; 602. a second signal ground.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.
As shown in fig. 1, the present application discloses a novel bluetooth headset antenna, which includes a first circuit board 1, a second circuit board 2, a thimble 4, a main radiator 5 and a FPC cable 6; the first circuit board surface and the second circuit board surface are arranged in parallel at a preset interval; copper is paved on the two plate surfaces of the first circuit board and the two plate surfaces of the second circuit board, wherein the copper paving on the two plate surfaces of the first circuit board is irregular strip-shaped, and the copper paving on the two plate surfaces of the first circuit board is symmetrical; the first circuit board is provided with a copper paving hole connected with the two board surfaces of the first circuit board; the copper paving of one board surface of the first circuit board and the copper paving of one board surface of the second circuit board are both provided with connecting seats 6 matched with the FPC flat cable, two ends of the FPC are respectively connected with the copper paving of one board surface of the first circuit board and the copper paving of one board surface of the second circuit board, and two ends of the FPC flat cable are respectively connected to the connecting seats of the first circuit board and the second circuit board; the surface of the first circuit board, which is far away from the second circuit board, is provided with a feed point 12 and a main chip 3, and the feed point is connected with the main chip through a radio frequency microstrip transmission line 13; the thimble perpendicular to first circuit board face, thimble one end with present the point and connect, the thimble other end with main radiator connects and makes main radiator with first circuit board is close to the face of main radiator one side is the interval setting, makes main radiator and first circuit board be the interval through the thimble and keeps apart the interference of avoiding first circuit board to main radiator.
The novel antenna with the dipole antenna function is constructed and constructed, and comprises a first oscillator and a second oscillator, wherein the first oscillator comprises a main radiating body and a thimble; the second oscillator comprises a first circuit board, copper is paved on the first circuit board, a Flexible Printed Circuit (FPC) flat cable is arranged on the first circuit board, the length of the long antenna is effectively increased, the problem that the optimal length cannot be achieved due to limited space is solved, the receiving direction of an antenna signal can be increased, the antenna gain is improved in limited space area, the radiation intensity is improved, the antenna efficiency is improved, the radiation direction of the antenna is improved, and the advantageous structure of the Bluetooth headset is also kept.
In this embodiment, the main radiator may be an FPC antenna, a laser etching antenna, a printed antenna, a ceramic antenna, or the like.
In this embodiment, the radiation area of the main radiator is not less than 30MM2The signal receiving effect and the receiving capacity can be improved.
In this embodiment, the distance between the main radiator and the first circuit board on the side close to the main radiator is not less than 1.5MM, so as to avoid interference of the circuit board on the main radiator.
In this embodiment, the FPC cable includes two signal ground lines, the two signal ground lines are a first signal ground line 601 and a second signal ground line 602, and the first signal ground line and the second signal ground line are respectively disposed on the outermost sides of the cable.
In this embodiment, the sum of the lengths of the main radiator, the thimble, the first circuit board copper plating and the FPC cable is equal to a preset value, the preset value is one half of the wavelength of the received signal, and the preset value is made to be one half of the wavelength of the received signal as far as possible, so that the receiving capability of the antenna can be maximized, and the first circuit board copper plating length can be regarded as an integral surface because the copper plating on the two surfaces of the first circuit board are connected through the via hole, so the first circuit board copper plating length is calculated according to the copper plating length on one surface of the first circuit board.
Further, this application still provides a bluetooth headset, including battery 8, earphone 9 and as claimed in any one the novel bluetooth headset antenna, the battery sets up the first circuit board with between the second circuit board, the earphone sets up the second circuit board keep away from one side of battery and with the second circuit board is connected, makes the structure more compact, the battery is close to the second circuit board just the positive negative pole of battery is close to the second circuit board is connected with negative pole connecting wire 11 and second circuit board through anodal connecting wire 10.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A novel Bluetooth earphone antenna is characterized by comprising a first circuit board, a second circuit board, a thimble, a main radiating body and an FPC (flexible printed circuit) flat cable; the surface of the first circuit board and the surface of the second circuit board are arranged in parallel at a preset interval; copper is paved on the two plate surfaces of the first circuit board and the two plate surfaces of the second circuit board; the first circuit board is provided with a copper paving hole connected with the two board surfaces of the first circuit board; two ends of the FPC cable are respectively connected with the copper paving on one board surface of the first circuit board and the copper paving on one board surface of the second circuit board; the surface of the first circuit board, which is far away from the second circuit board, is provided with a feed point and a main chip, and the feed point is connected with the main chip through a radio frequency microstrip transmission line; one end of the ejector pin is connected with the feed point, and the other end of the ejector pin is connected with the main radiator, so that the main radiator and the board surface of one side, close to the main radiator, of the first circuit board are arranged at intervals.
2. The novel bluetooth headset antenna of claim 1, wherein the thimble is perpendicular to the first circuit board surface.
3. The novel bluetooth headset antenna of claim 1, wherein the main radiator is any one of an FPC antenna, a laser etching antenna, a printed antenna, and a ceramic antenna.
4. The novel bluetooth headset antenna of claim 1, wherein the radiation area of the main radiator is not less than 30MM2。
5. The novel bluetooth headset antenna of claim 1, wherein a board-to-board distance between the main radiator and the first circuit board on a side close to the main radiator is not less than 1.5 MM.
6. The novel Bluetooth headset antenna of claim 1, wherein the FPC cable comprises two signal ground wires, and the two signal ground wires are respectively arranged at the outermost sides of the FPC cable.
7. The novel bluetooth headset antenna of claim 1, wherein the sum of the lengths of the main radiator, the thimble, the first circuit board copper laying and the FPC cable is equal to a preset value.
8. The novel bluetooth headset antenna of claim 7, wherein the predetermined value is one-half of the wavelength of the received signal.
9. A Bluetooth headset, characterized by comprising a battery, a receiver and a novel Bluetooth headset antenna as claimed in any one of claims 1 to 8, wherein the battery is arranged between the first circuit board and the second circuit board, the anode and the cathode of the battery are connected with the copper-paved plate surface of the second circuit board, and the receiver is arranged on one side of the second circuit board far away from the battery and connected with the second circuit board.
10. The bluetooth headset according to claim 9, wherein the battery is adjacent to the second circuit board and the positive and negative electrodes of the battery are adjacent to the second circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816097.5U CN215816380U (en) | 2021-08-04 | 2021-08-04 | Novel bluetooth headset antenna and bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816097.5U CN215816380U (en) | 2021-08-04 | 2021-08-04 | Novel bluetooth headset antenna and bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816380U true CN215816380U (en) | 2022-02-11 |
Family
ID=80128579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121816097.5U Active CN215816380U (en) | 2021-08-04 | 2021-08-04 | Novel bluetooth headset antenna and bluetooth headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215816380U (en) |
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2021
- 2021-08-04 CN CN202121816097.5U patent/CN215816380U/en active Active
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