CN223142084U - Bluetooth headset and communication equipment - Google Patents
Bluetooth headset and communication equipmentInfo
- Publication number
- CN223142084U CN223142084U CN202421229371.2U CN202421229371U CN223142084U CN 223142084 U CN223142084 U CN 223142084U CN 202421229371 U CN202421229371 U CN 202421229371U CN 223142084 U CN223142084 U CN 223142084U
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- bluetooth
- circuit board
- antenna
- cavity
- radiation
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Abstract
本申请实施例涉及耳机技术领域，公开了一种蓝牙耳机以及通讯设备,所述蓝牙耳机包括壳体、扬声器、电路板、蓝牙天线和蓝牙芯片，所述壳体设置有容置腔；所述扬声器设置于所述容置腔；所述电路板设置于所述容置腔内，所述电路板设置有馈电点；所述蓝牙天线设置于所述电路板，并且所述蓝牙天线与所述馈电点连接；所述蓝牙芯片设置于所述电路板，所述蓝牙芯片分别与所述蓝牙天线和扬声器电连接。通过上述方式，本申请实施例能够克服传统设计的局限性，避免胶水对蓝牙天线的结构参数的影响，提高产品的性能、一致性和可靠性。
The embodiment of the present application relates to the field of earphone technology, and discloses a Bluetooth earphone and a communication device, wherein the Bluetooth earphone comprises a housing, a speaker, a circuit board, a Bluetooth antenna and a Bluetooth chip, wherein the housing is provided with a receiving cavity; the speaker is provided in the receiving cavity; the circuit board is provided in the receiving cavity, and the circuit board is provided with a feeding point; the Bluetooth antenna is provided on the circuit board, and the Bluetooth antenna is connected to the feeding point; the Bluetooth chip is provided on the circuit board, and the Bluetooth chip is electrically connected to the Bluetooth antenna and the speaker, respectively. Through the above-mentioned method, the embodiment of the present application can overcome the limitations of the traditional design, avoid the influence of glue on the structural parameters of the Bluetooth antenna, and improve the performance, consistency and reliability of the product.
Description
Technical Field
The embodiment of the application relates to the technical field of earphones, in particular to a Bluetooth earphone and communication equipment.
Background
Headphones can be generally classified into wired headphones and wireless headphones. Due to the inconvenience of wearing wired headphones, wireless headphones are favored by more and more users. The wireless stereo earphone comprises a real wireless stereo earphone (True Wire l ess Stereo, TWS), namely TWS earphone. The TWS earphone is equipment for transmitting stereo signals based on the Bluetooth technology, namely, the left earphone and the right earphone receive the stereo signals from playing equipment such as a mobile phone and the like through the Bluetooth technology under the condition that no electric wire is connected, so that playback is realized. The Bluetooth headset generally comprises a Bluetooth antenna, a circuit board, a Bluetooth chip, a loudspeaker and a plastic shell, wherein the Bluetooth antenna, the circuit board, the Bluetooth chip and the loudspeaker are arranged in the plastic shell, the Bluetooth chip is arranged on the circuit board, and the Bluetooth chip is respectively connected with the Bluetooth antenna and the loudspeaker.
In the implementation process, the inventor finds that the Bluetooth antenna of the Bluetooth earphone is adhered to the shell by using glue, and when the Bluetooth antenna is fixed to the shell by using glue, the glue can change structural parameters of the Bluetooth antenna, so that the resonant frequency of the antenna is affected, the antenna performance is unstable, and the user experience is affected.
Disclosure of utility model
The technical problem to be solved by the embodiment of the application is to provide the Bluetooth headset, wherein the Bluetooth antenna is arranged on the circuit board in the accommodating cavity, and the Bluetooth chip is respectively and electrically connected with the Bluetooth antenna and the loudspeaker, so that the limitations of the traditional design can be overcome, the influence of glue on the structural parameters of the Bluetooth antenna is avoided, and the performance, consistency and reliability of the product are improved.
In order to solve the technical problems, the technical scheme adopted by the embodiment of the application is that the Bluetooth headset comprises a shell, a loudspeaker, a circuit board, a Bluetooth antenna and a Bluetooth chip, wherein the shell is provided with a containing cavity, the loudspeaker is arranged in the containing cavity, the circuit board is arranged in the containing cavity and is provided with a feed point, the Bluetooth antenna is arranged on the circuit board and is connected with the feed point, and the Bluetooth chip is arranged on the circuit board and is respectively and electrically connected with the Bluetooth antenna and the loudspeaker.
Optionally, the bluetooth antenna includes a first communication antenna, a feeding portion, and a second communication antenna, the first communication antenna is connected to the second communication antenna through the feeding portion, and the second communication antenna is connected to the feeding point.
Optionally, the first communication antenna includes a first radiation branch, a second radiation branch and a third radiation branch, the first radiation branch is connected with the third radiation branch through the second radiation branch, and the third radiation branch is connected with the feeding portion, and the first radiation branch is parallel to the third radiation branch.
Optionally, the second communication antenna includes a fourth radiating branch, a first connection portion, a first rectangular radiating portion, a second connection portion, and a second rectangular radiating portion, the first rectangular radiating portion is connected with the second rectangular radiating portion through the second connection portion, the fourth radiating branch is connected with the first rectangular radiating portion through the first connection portion, and the fourth radiating branch is parallel to the first rectangular radiating portion and the second rectangular radiating portion.
Optionally, the circuit board is provided with a clearance area, and the bluetooth antenna is arranged in the clearance area.
Optionally, the area of the bluetooth antenna is 9.4mm x1.45mm.
Optionally, the casing includes main part and earplug portion, the main part is provided with first chamber, earplug portion is provided with the second chamber, first chamber and second chamber intercommunication formation the holding chamber, the speaker is located the second chamber, circuit board, bluetooth antenna and bluetooth chip all set up in first chamber.
Optionally, the main part is provided with the recess, a side wall of recess is provided with spacing post, another lateral wall of recess is provided with the elasticity stopper, the shape of elasticity stopper is right triangle, the first right angle limit of elasticity stopper is fixed in another lateral wall of recess, the second right angle limit of elasticity stopper with the tank bottom of recess is parallel, the hypotenuse place plane of elasticity stopper constitutes guide plane, guide plane is used for guiding the clearance between second right angle limit and the tank bottom of recess is gone into to the circuit board card, elasticity stopper butt in one side of the surface of circuit board deviating from the tank bottom of recess, spacing post butt in the opposite side of the surface of circuit board deviating from the tank bottom of recess.
Optionally, the bluetooth headset still includes thimble, battery and the module that charges, the battery with charge the module all set up in first chamber, and the module that charges sets up in the circuit board, the module that charges with the thimble is connected, main part portion still is provided with the trompil of the first chamber of intercommunication, the one end of thimble with the module that charges is connected, the other end of thimble stretches out outside the casing from the opening.
In order to solve the technical problems, another technical scheme adopted by the embodiment of the application is to provide communication equipment, which comprises any one of the Bluetooth headset.
The embodiment of the application provides a Bluetooth headset, which comprises a shell, a loudspeaker, a circuit board, a Bluetooth antenna and a Bluetooth chip, wherein the shell is provided with a containing cavity, the loudspeaker is arranged in the containing cavity, the circuit board is arranged in the containing cavity and is provided with a feed point, the Bluetooth antenna is arranged on the circuit board and is connected with the feed point, the Bluetooth chip is arranged on the circuit board and is respectively and electrically connected with the Bluetooth antenna and the loudspeaker, and the limitation of traditional design can be overcome by arranging the Bluetooth antenna on the circuit board in the containing cavity and respectively and electrically connected with the Bluetooth antenna and the loudspeaker, so that the influence of glue on the structural parameters of the Bluetooth antenna is avoided, and the performance, the consistency and the reliability of the product are improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of a bluetooth headset according to an embodiment of the present application;
Fig. 2 is another schematic diagram of a bluetooth headset according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a circuit board according to an embodiment of the present application;
fig. 4 is a simulation result of human head return loss of the bluetooth antenna according to the embodiment of the application;
Fig. 5 is a schematic diagram of a bluetooth antenna according to an embodiment of the present application;
fig. 6 is a diagram of simulation results of human head simulation efficiency of the bluetooth antenna according to the embodiment of the application.
The reference numerals in the specific embodiments are as follows, 100, a Bluetooth earphone, 10, a shell, 101, a containing cavity, 102, a main body part, 103, an earplug part, 131, a second cavity, 20, a loudspeaker, 30, a circuit board, 302, a clear space area, 40, a Bluetooth antenna, 401, a first communication antenna, 402, a feeding part, 403, a second communication antenna, 411, a first radiation branch, 412, a second radiation branch, 413, a third radiation branch, 431, a fourth radiation branch, 432, a first connecting part, 433, a first rectangular radiation part, 434, a second connecting part, 435, a second rectangular radiation part, 60 and a thimble.
Detailed Description
In order that the application may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
In addition, the technical features mentioned in the different embodiments of the application described below can be combined with one another as long as they do not conflict with one another.
Referring to fig. 1, an embodiment of the present application provides a bluetooth headset 100, where the bluetooth headset 100 includes a housing 10, a speaker 20, a circuit board 30, a bluetooth antenna 40 and a bluetooth chip (not shown), the housing 10 is provided with a receiving cavity 101, the speaker 20 is disposed in the receiving cavity 101 and is used for converting an electrical signal into an acoustic signal so as to play audio, the circuit board 30 is disposed in the receiving cavity 101, the circuit board 30 is provided with a feeding point (not shown), the bluetooth antenna 40 is disposed in the circuit board 30, and the bluetooth antenna 40 is connected with the feeding point (not shown) to provide a connection point of electrical energy for the bluetooth antenna 40, the bluetooth chip (not shown) is disposed in the circuit board 30, and the bluetooth chip (not shown) is electrically connected with the bluetooth antenna 40 and the speaker 20, and the bluetooth antenna 40 is used for receiving and transmitting the bluetooth signal, so as to implement a wireless communication function of the bluetooth headset 100. The bluetooth antenna 40 is disposed on the circuit board 30 and connected with a feeding point (not shown) to ensure its normal operation, and to prevent the influence of glue on the structural parameters of the bluetooth antenna 40, thereby improving the performance, consistency and reliability of the product.
Specifically, referring to fig. 2, the housing 10 includes a main body 102 and an earplug 103, the main body 102 is provided with a first cavity (not shown), the earplug 103 is provided with a second cavity 131, the first cavity (not shown) and the second cavity 131 are communicated to form the accommodating cavity 101, the speaker 20 is located in the second cavity, the circuit board 30, the bluetooth antenna 40 and the bluetooth chip (not shown) are all disposed in the first cavity (not shown), the speaker 20 is located in the second cavity 131, so as to ensure that audio can be directly transmitted to the ear of a user, and the circuit board 30, the bluetooth antenna 40 and the bluetooth chip (not shown) are all disposed in the first cavity (not shown) for circuit connection and signal transmission. The bluetooth antenna 40 is connected to a feeding point (not shown) of the circuit board 30, so as to ensure that the bluetooth antenna 40 can obtain stable power supply, and the bluetooth chip (not shown) is electrically connected to the bluetooth antenna 40 and the speaker 20, respectively, so as to control bluetooth communication and audio broadcasting.
Referring to fig. 2, the circuit board 30 is provided with a clearance area 302, the bluetooth antenna 40 is disposed in the clearance area 302, the clearance area 302 is a specific area reserved for the bluetooth antenna 40 on the circuit board 30, and interference of other circuit elements is not or as little as possible in the clearance area 302, so as to ensure that the antenna can send and receive wireless signals without being blocked, and by optimizing the position and size of the clearance area 302, the radiation efficiency, directivity and gain of the antenna can be improved, thereby improving the stability and distance of communication of the bluetooth antenna 40.
With continued reference to fig. 2, the main body 102 is provided with a groove (not shown), which provides a specific mounting position for the circuit board 30, so that the circuit board 30 can be firmly mounted inside the earphone, and further, a side wall of the groove (not shown) is provided with a limit post (not shown), which can limit the horizontal movement of the circuit board 30 in the groove (not shown), so as to ensure that the circuit board 30 cannot slide out from the side, and when the circuit board 30 is placed in the groove (not shown), the limit post abuts against one side of the circuit board 30, providing a physical barrier, preventing the circuit board 30 from moving in the direction. The other side wall of the groove (not shown) is provided with an elastic limiting block (not shown), the shape of the elastic limiting block is a right triangle, the first right-angle edge of the elastic limiting block is fixed on the other side wall of the groove (not shown), the stability of the elastic limiting block is ensured, the second right-angle edge of the elastic limiting block is parallel to the bottom of the groove (not shown), the inclined edge of the elastic limiting block is positioned on a plane to form a guide plane, the guide plane is used for guiding the circuit board 30 to be clamped into a gap between the second right-angle edge and the bottom of a groove (not shown), when the circuit board 30 is placed in the recess (not shown), the edge of the circuit board 30 will be abutted against the second right-angle edge, forming a stable support, the guiding plane plays a guiding role when the circuit board 30 is placed in the groove (not shown), so that the circuit board 30 is helped to be smoothly clamped into a gap between the second right-angle side and the bottom of the groove (not shown); the elastic limiting block is abutted against one side of the surface of the circuit board 30 facing away from the bottom of the groove (not shown), the limit posts abut against the other side of the surface of the circuit board 30 facing away from the bottom of the recess (not shown), the recess (not shown) provides a specific mounting location for the circuit board 30, so that the circuit board 30 can be firmly mounted inside the headset, when the circuit board 30 is completely clamped, the oblique edge of the elastic limiting block can be restored to the original position and is abutted against one side of the surface of the circuit board 30, which is away from the bottom of the groove (not shown). In this way, the circuit board 30 is stably fixed in the recess (not shown), and does not move up and down nor shake left and right. When the user installs the circuit board 30, only one end of the circuit board 30 is aligned to the opening of the groove (not shown) and pushed in along the guiding plane, the elastic limiting block is temporarily compressed along with the penetration of the circuit board 30 until the edge of the circuit board 30 is completely clamped into the gap between the second right-angle side and the bottom of the groove (not shown), at this time, the elastic limiting block can restore its original shape and is abutted on the circuit board 30, and meanwhile, the limiting post is abutted on the other side of the circuit board 30, so that double fixation is formed. By designing a groove (not shown) in the main body 102 of the bluetooth headset 100, a limit post and an elastic limit block are disposed in the groove (not shown) for fixing and stabilizing the circuit board 30.
Referring to fig. 3 and 4, the bluetooth antenna 40 includes a first communication antenna 401, a feeding portion 402, and a second communication antenna 403, wherein the first communication antenna 401 is connected to the second communication antenna 403 through the feeding portion 402, and the second communication antenna 403 is connected to the feeding point (not shown), and the first communication antenna 401 and the second communication can improve the communication range and stability of the bluetooth headset 100. The two antennas can work cooperatively to cover a wider communication area, reduce signal blind areas, and connect the two communication antennas together through the feed 402, so that efficient transmission of signals between the two antennas can be ensured, and signal loss and interference are reduced. Fig. 4 shows the results of the human head simulated return loss simulation of the bluetooth antenna 40. The return loss indicates the degree of matching of the antenna system, and a smaller value indicates a better matching. The results in fig. 4 show that the return loss of the bluetooth antenna 40 is less than-13.9 dB, indicating that the antenna has a good matching effect over the head of a person.
Specifically, referring to fig. 5 and 6, the first communication antenna 401 includes a first radiating branch 411, a second radiating branch 412, and a third radiating branch 413, where the first radiating branch 411 is connected to the third radiating branch 413 through the second radiating branch 412, and the third radiating branch 413 is connected to the feeding portion 402, and the first radiating branch 411 and the third radiating branch 413 are arranged in parallel, so as to enhance the directivity and gain of the bluetooth antenna 40. The parallel radiation branches can form a certain phase difference, which is helpful for concentrating radiation energy in a specific direction and improving communication distance and stability. The second communication antenna 403 includes a fourth radiating branch 431, a first connection portion 432, a first rectangular radiating portion 433, a second connection portion 434, and a second rectangular radiating portion 435, the first rectangular radiating portion 433 is connected to the second rectangular radiating portion 435 through the second connection portion 434, the fourth radiating branch 431 is connected to the first rectangular radiating portion 433 through the first connection portion 432, and the fourth radiating branch 431 is disposed parallel to the first rectangular radiating portion 433 and the second rectangular radiating portion 435, so as to further enhance the directivity and gain of the bluetooth antenna 40. The parallel radiation branches can form a certain phase difference, which is helpful for concentrating radiation energy in a specific direction and improving communication distance and stability. Fig. 6 is a diagram showing simulation results of the human head simulation efficiency of the bluetooth antenna 40. The results of efficiency simulations of the bluetooth antenna 40 at different frequencies are shown in the form of a graph. The X-axis of the graph represents the frequency range and the Y-axis represents the efficiency value. As can be seen from the figure, the efficiency of the antenna is greater than-11.8 dB in the 2400-2500MHz band, and the bluetooth antenna 40 can achieve higher efficiency in the 2400-2500MHz band.
In some embodiments, the bluetooth antenna 40 has an area of 9.4mm x1.45mm.
Referring back to fig. 1, the bluetooth headset 100 further includes a thimble 60, a battery, and a charging module, where the battery and the charging module are both disposed in the first cavity (not shown), and the charging module is disposed on the circuit board 30, the charging module is connected with the thimble 60, the main body 102 is further provided with an opening (not shown) that communicates with the first cavity (not shown), one end of the thimble 60 is connected with the charging module, and the other end of the thimble 60 extends out of the housing 10 from the opening, where the thimble 60 is a component of the bluetooth headset 100 that is used for making physical contact with an external charging device (such as a charger or a charging stand). One end of the power supply is connected with the charging module, so that electric energy can be transmitted from external equipment to the charging module. The other end of the thimble 60 protrudes from the opening of the earphone housing 10 so that a user can place the earphone on a charger or a charging stand, and charging is achieved through the thimble 60.
The embodiment of the application provides a Bluetooth headset 100, which comprises a shell 10, a loudspeaker 20, a circuit board 30, a Bluetooth antenna 40 and a Bluetooth chip (not shown), wherein the shell 10 is provided with a containing cavity 101, the loudspeaker 20 is arranged in the containing cavity 101, the circuit board 30 is provided with a feed point (not shown), the Bluetooth antenna 40 is arranged on the circuit board 30, the Bluetooth antenna 40 is connected with the feed point (not shown), the Bluetooth chip (not shown) is arranged on the circuit board 30, the Bluetooth chip (not shown) is respectively and electrically connected with the Bluetooth antenna 40 and the loudspeaker 20, and the Bluetooth chip (not shown) is respectively and electrically connected with the Bluetooth antenna 40 and the loudspeaker 20 through the circuit board 30 in which the Bluetooth antenna 40 is arranged in the containing cavity 101, so that the limitations of the traditional design can be overcome, the influence of glue on the structural parameters of the Bluetooth antenna 40 can be avoided, and the performance, the consistency and the reliability of products can be improved.
The present application further provides an embodiment of a communication device, where the communication device includes the bluetooth headset 100 described above, and the specific structure and function of the bluetooth headset 100 can be referred to the above embodiment, which is not described herein again.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421229371.2U CN223142084U (en) | 2024-05-31 | 2024-05-31 | Bluetooth headset and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421229371.2U CN223142084U (en) | 2024-05-31 | 2024-05-31 | Bluetooth headset and communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223142084U true CN223142084U (en) | 2025-07-22 |
Family
ID=96421596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421229371.2U Active CN223142084U (en) | 2024-05-31 | 2024-05-31 | Bluetooth headset and communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223142084U (en) |
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2024
- 2024-05-31 CN CN202421229371.2U patent/CN223142084U/en active Active
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