CN209806033U - Bluetooth antenna board and bluetooth headset - Google Patents
Bluetooth antenna board and bluetooth headset Download PDFInfo
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- CN209806033U CN209806033U CN201920611667.3U CN201920611667U CN209806033U CN 209806033 U CN209806033 U CN 209806033U CN 201920611667 U CN201920611667 U CN 201920611667U CN 209806033 U CN209806033 U CN 209806033U
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- antenna
- bluetooth
- circuit board
- board
- patch antenna
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Abstract
The utility model provides a bluetooth antenna board and bluetooth headset, this bluetooth antenna board includes circuit board, patch antenna and bluetooth chip, is equipped with matching circuit on the circuit board, and patch antenna links to each other with the matching circuit electrical property, and matching circuit links to each other with bluetooth chip electrical property, and circuit board length direction's one end is the antenna end, and circuit board length direction's both sides are first side and second side respectively, and patch antenna installs in the antenna end, and the distance between bluetooth chip edge and the patch antenna edge is greater than or equal to 8.0 mm. The utility model integrates the Bluetooth chip, the matching circuit and the patch antenna on the circuit board to effectively reduce the size of the circuit board; set up bluetooth chip edge and paster antenna edge distance and be greater than or equal to 8.0mm, can effectively reduce electromagnetic mutual influence between bluetooth chip and the paster antenna, reduce the signal noise influence to effectively promote paster antenna receiving and dispatching signal's ability, and then promote receiving and dispatching signal's distance.
Description
Technical Field
The utility model belongs to the technical field of the bluetooth antenna, more specifically say, relate to a bluetooth antenna board and use bluetooth headset of this bluetooth antenna board.
Background
Currently, an antenna of a bluetooth headset is mainly of a Board-mounted type, a patch type, a wire type, a PCB (short for Printed Circuit Board, hereinafter referred to as a Printed Circuit Board) or an FPC (short for Flexible Printed Circuit, hereinafter referred to as a Flexible Circuit Board). For the bluetooth headset with a drive-by-wire, the volume is small, and the space occupied by the antenna is small, so that most of the existing bluetooth headsets adopt patch antennas. However, the bluetooth antenna board of the sports bluetooth headset needs to be provided with not only a bluetooth chip but also an antenna; however, considering the volume of the bluetooth headset, the bluetooth antenna board needs to be made smaller, resulting in smaller bluetooth signal transceiving capability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bluetooth antenna board to when the bluetooth antenna board size that exists among the solution prior art is hour, the less problem of its bluetooth signal receiving and dispatching ability.
in order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a bluetooth antenna board, including the circuit board, be used for receiving and dispatching bluetooth signal patch antenna and install in bluetooth chip on the circuit board, bluetooth chip with patch antenna electrical property links to each other, be equipped with matching circuit on the circuit board, patch antenna with matching circuit electrical property links to each other, matching circuit with bluetooth chip electrical property links to each other, circuit board length direction's one end is the antenna end, circuit board length direction's both sides are first side and second side respectively, patch antenna install in the antenna end, bluetooth chip edge with distance between the patch antenna edge is greater than or equal to 8.0 mm.
Furthermore, the patch antenna is located on the circuit board and close to the first side edge, and a slot is formed in the second side edge of the circuit board and close to the antenna end.
Further, the length of the slot is 3.1mm, and the width of the slot is 1.9 mm.
Further, a distance between the patch antenna edge and the second side is greater than or equal to 3.3 mm.
Further, a distance between the patch antenna edge and the first side edge is greater than or equal to 0.5 mm.
Further, the distance between the edge of the patch antenna and the end face of the antenna end is greater than or equal to 0.3 mm.
Further, the width of the circuit board is greater than or equal to 6.4 mm.
Further, the distance between the edge of the Bluetooth chip and the end face of the antenna end is greater than or equal to 12.3 mm.
Further, the matching circuit is arranged between the patch antenna and the Bluetooth chip.
The utility model provides a bluetooth antenna board's beneficial effect lies in: the utility model integrates the Bluetooth chip, the matching circuit and the patch antenna on the circuit board to effectively reduce the size of the circuit board; set up bluetooth chip edge and paster antenna edge distance and be greater than or equal to 8.0mm, can effectively reduce electromagnetic mutual influence between bluetooth chip and the paster antenna, reduce the signal noise influence to effectively promote paster antenna receiving and dispatching signal's ability, and then promote receiving and dispatching signal's distance.
Another object of the present invention is to provide a bluetooth headset, including the bluetooth antenna board as described above.
The utility model provides a bluetooth headset's beneficial effect lies in: the utility model discloses a bluetooth headset has adopted above-mentioned bluetooth antenna board, and when the circuit board size is less, can guarantee bluetooth signal intensity, and then can promote bluetooth headset send-receive signal's distance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creating any work.
Fig. 1 is a schematic structural diagram of a bluetooth antenna board provided by an embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
100-a bluetooth antenna board; 10-a circuit board; 11-antenna end; 12-a master control area; 13-a first side; 14-a second side edge; 21-a Bluetooth chip; 22-patch antenna; 23-a matching circuit; 24-slot position.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, a bluetooth antenna board 100 according to the present invention will now be described. The bluetooth antenna board 100 comprises a circuit board 10, wherein a patch antenna 22, a bluetooth chip 21 and a matching circuit 23 are mounted on the circuit board 10, the patch antenna 22 is used for receiving and transmitting bluetooth signals, namely, the patch antenna 22 is used for receiving the bluetooth signals and transmitting the bluetooth signals. Bluetooth chip 21 and patch antenna 22 electric connection, Bluetooth chip 21 is used for controlling patch antenna 22 work. The matching circuit 23 is electrically connected with the bluetooth chip 21, and the patch antenna 22 is electrically connected with the matching circuit 23, so that the patch antenna 22 works well. One end of the circuit board 10 in the length direction is an antenna end 11, two sides of the circuit board 10 in the length direction are a first side 13 and a second side 14 respectively, and the patch antenna 22 is mounted at the antenna end 11 so as to position the mounting position of the patch antenna 22; distance D1 between bluetooth chip 21 edge and the patch antenna 22 edge is more than or equal to 8.0mm to guarantee to have great distance interval between bluetooth chip 21 and the patch antenna 22, reduce the influence each other of electromagnetic wave between bluetooth chip 21 and the patch antenna 22, and then promote the ability of patch antenna 22 transceiver signal.
Compared with the prior art, the bluetooth antenna board 100 provided by the utility model integrates the bluetooth chip 21, the matching circuit 23 and the patch antenna 22 on the circuit board 10, so as to effectively reduce the size of the circuit board 10; set up bluetooth chip 21 edge and patch antenna 22 edge distance D1 and be greater than or be equal to 8.0mm, can effectively reduce electromagnetic mutual influence between bluetooth chip 21 and the patch antenna 22, reduce the signal noise influence to effectively promote patch antenna 22 ability of receiving and dispatching signals, and then promote the distance of receiving and dispatching signals.
Further, please refer to fig. 1, as the utility model provides a bluetooth antenna board 100's a specific implementation, set up bluetooth chip 21 edge and patch antenna 22 edge distance D1 and equal to 8.0mm, it is less to make to influence between bluetooth chip 21 and the patch antenna 22, can be with the electronic device integrated level on the circuit board 10 higher moreover, and then be convenient for make circuit board 10 less.
Further, please refer to fig. 1, as a specific embodiment of the bluetooth antenna board 100 provided by the present invention, the patch antenna 22 is located on the circuit board 10 near the first side 13, and the second side 14 of the circuit board 10 is provided with a slot 24 near the antenna end 11. The slot 24 is disposed on the circuit board 10 for fixing the bonding wire, so as to prevent the wire from being hung on the patch antenna 22 to affect the performance of the patch antenna 22, thereby improving the signal transmitting and receiving capability of the patch antenna 22, and facilitating the production of the product.
Further, please refer to fig. 1, as the utility model provides a bluetooth antenna board 100's a specific implementation, the length N of trench 24 is 3.1mm, and the width M of trench 24 is 1.9mm to set up the size of trench 24 less, even be convenient for the welded fastening of electric wire, and can reduce the spatial position who occupies on the circuit board 10, so that make circuit board 10 less, facilitate the use.
Further, please refer to fig. 1, as a specific embodiment of the bluetooth antenna board 100 provided by the present invention, a distance D4 between the edge of the patch antenna 22 and the second side 14 is greater than or equal to 3.3mm, so that the distance between the patch antenna 22 and the second side 14 of the circuit board 10 is enough, so as to fabricate the slot 24 on the circuit board 10, and the distance between the edge of the patch antenna 22 and the slot 24 is enough, so as to facilitate the welding and fixing of the wire, and reduce the influence of the wire on the patch antenna 22.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the distance D4 between the edge of the patch antenna 22 and the second side 14 is equal to 3.3mm, which can ensure that the wire does not affect the patch antenna 22, and the circuit board 10 can be made smaller.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the distance D2 between the edge of the patch antenna 22 and the end surface of the antenna end 11 is greater than or equal to 0.3mm, so that the patch antenna 22 can be conveniently installed on the circuit board 10, and the patch antenna 22 can be ensured by the circuit board 10, thereby ensuring that the patch antenna 22 works well.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, a distance D2 between the edge of the patch antenna 22 and the end surface of the antenna end 11 is equal to 0.3mm, which can ensure that the patch antenna 22 works well and the circuit board 10 can be made smaller.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the distance D3 between the edge of the patch antenna 22 and the first side 13 is greater than or equal to 0.5mm, so that the patch antenna 22 can be conveniently installed on the circuit board 10, and the patch antenna 22 can be ensured by the circuit board 10, so as to ensure that the patch antenna 22 works well.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, a distance D3 between the edge of the patch antenna 22 and the first side 13 is equal to 0.5mm, which can ensure that the patch antenna 22 works well and the circuit board 10 can be made smaller.
Further, please refer to fig. 1, as a specific embodiment of the bluetooth antenna board 100 provided by the present invention, a distance D5 between the edge of the bluetooth chip 21 and the end surface of the antenna end 11 is greater than or equal to 12.3mm, so that there is enough area between the bluetooth chip 21 and the end surface of the antenna end 11 of the circuit board 10 for laying out and installing the patch antenna 22.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, a distance D5 between the edge of the bluetooth chip 21 and the end surface of the antenna end 11 is equal to 12.3mm, so as to make the circuit board 10 smaller and more convenient for use.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the width W of the circuit board 10 is greater than or equal to 6.4mm, which is convenient for layout of electronic devices and reduces the mutual influence between the electronic devices.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the width W of the circuit board 10 is equal to 6.4mm, so as to make the width of the circuit board 10 smaller, which is convenient for the use of the bluetooth antenna.
Further, please refer to fig. 1, as a specific embodiment of the bluetooth antenna board 100 provided by the present invention, the length L of the circuit board 10 is greater than or equal to 30.5mm, which is convenient for laying out electronic devices and reduces the mutual influence between the electronic devices.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the length L of the circuit board 10 is equal to 30.5mm, so as to make the width of the circuit board 10 smaller, which is convenient for the use of the bluetooth antenna.
Further, please refer to fig. 1, as the utility model provides a bluetooth antenna board 100's a specific implementation, the one end that antenna end 11 was kept away from to circuit board 10 has the main control district 12 that is used for setting up main control circuit to install main control circuit, reduce the influence of main control circuit to patch antenna 22 simultaneously, and improve the integrated level of electronic device on circuit board 10, and then can make circuit board 10 less, facilitate the use.
Further, please refer to fig. 1, as a specific implementation manner of the bluetooth antenna board 100 provided by the present invention, the matching circuit 23 is disposed between the patch antenna 22 and the bluetooth chip 21, so as to improve the integration level of the circuit board 10, improve the utilization rate of the circuit board 10, reduce the size of the circuit board 10, and facilitate the use.
Further, please refer to fig. 1, as a specific implementation of the bluetooth antenna board 100 provided by the present invention, the patch antenna 2220 is a ceramic antenna to reduce the occupied space and ensure good signal strength.
In a preferred embodiment of the present invention, please refer to fig. 1, the distance D1 between the edge of the bluetooth chip 21 and the edge of the patch antenna 22 is set to be equal to 8.0 mm; the length N of the slot position 24 is 3.1mm, and the width M of the slot position 24 is 1.9 mm; the distance D4 between the edge of the patch antenna 22 and the second side 14 is equal to 3.3 mm; the distance D2 between the edge of the patch antenna 22 and the end face of the antenna end 11 is equal to 0.3 mm; the distance D3 between the edge of patch antenna 22 and first side 13 is equal to 0.5 mm; the distance D5 between the edge of the bluetooth chip 21 and the end face of the antenna terminal 11 is equal to 12.3 mm. So that the length L of the circuit board 10 is 30.5mm and the width W is 6.4 mm; further, the manufactured bluetooth antenna board 100 is 30.5mm long and 6.4mm wide, and is small in size and convenient to use. This bluetooth antenna panel 100 is when using, through testing difficult, its bluetooth signal performance has great promotion, can reach 18m, can realize the bluetooth transmission of super long distance, compares in the transmission distance within present conventional bluetooth antenna 10m, has great promotion.
The utility model also provides a bluetooth headset. Referring also to fig. 1, the bluetooth headset includes the bluetooth antenna board 100 as described above. The utility model discloses a bluetooth headset has adopted above-mentioned bluetooth antenna board 100, and when 10 sizes on circuit board are less, can guarantee bluetooth signal intensity, and then can promote bluetooth headset send-receive signal's distance.
Furthermore, the Bluetooth headset is a sports Bluetooth headset, so that good signal strength can be ensured when the sports Bluetooth headset is made to be small.
Further, the bluetooth antenna board 100 may be placed in a control box of a bluetooth headset to reduce human interference.
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 (10)
1. Bluetooth antenna board, including the circuit board, be used for receiving and dispatching bluetooth signal's paster antenna and install in bluetooth chip on the circuit board, bluetooth chip with paster antenna electrical property links to each other its characterized in that: the antenna comprises a circuit board, and is characterized in that a matching circuit is arranged on the circuit board, a patch antenna is electrically connected with the matching circuit, the matching circuit is electrically connected with a Bluetooth chip, one end of the circuit board in the length direction is an antenna end, the two sides of the circuit board in the length direction are a first side edge and a second side edge respectively, the patch antenna is installed at the antenna end, and the distance between the edge of the Bluetooth chip and the edge of the patch antenna is greater than or equal to 8.0 mm.
2. The bluetooth antenna board of claim 1, wherein: the patch antenna is positioned on the circuit board and close to the first side edge, and a slot position is formed in the second side edge of the circuit board and close to the antenna end.
3. The bluetooth antenna board of claim 2, wherein: the length of trench is 3.1mm, the width of trench is 1.9 mm.
4. The bluetooth antenna board of claim 3, wherein: the distance between the edge of the patch antenna and the second side is greater than or equal to 3.3 mm.
5. The bluetooth antenna board of claim 1, wherein: the distance between the edge of the patch antenna and the first side edge is greater than or equal to 0.5 mm.
6. The bluetooth antenna board of claim 1, wherein: the distance between the edge of the patch antenna and the end face of the antenna end is greater than or equal to 0.3 mm.
7. The bluetooth antenna board of any of claims 1-6, wherein: the width of the circuit board is greater than or equal to 6.4 mm.
8. The bluetooth antenna board of any of claims 1-6, wherein: the distance between the edge of the Bluetooth chip and the end face of the antenna end is greater than or equal to 12.3 mm.
9. The bluetooth antenna board of any of claims 1-6, wherein: the matching circuit is arranged between the patch antenna and the Bluetooth chip.
10. Bluetooth headset, its characterized in that: comprising a bluetooth antenna board according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920611667.3U CN209806033U (en) | 2019-04-28 | 2019-04-28 | Bluetooth antenna board and bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920611667.3U CN209806033U (en) | 2019-04-28 | 2019-04-28 | Bluetooth antenna board and bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209806033U true CN209806033U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920611667.3U Active CN209806033U (en) | 2019-04-28 | 2019-04-28 | Bluetooth antenna board and bluetooth headset |
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| Country | Link |
|---|---|
| CN (1) | CN209806033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644412A (en) * | 2020-05-11 | 2021-11-12 | 深圳Tcl数字技术有限公司 | Signal transmission device |
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2019
- 2019-04-28 CN CN201920611667.3U patent/CN209806033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644412A (en) * | 2020-05-11 | 2021-11-12 | 深圳Tcl数字技术有限公司 | Signal transmission device |
| CN113644412B (en) * | 2020-05-11 | 2023-01-20 | 深圳Tcl数字技术有限公司 | Signal transmission device |
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