CN210536913U - Bluetooth headset with FM radio function - Google Patents
Bluetooth headset with FM radio function Download PDFInfo
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- CN210536913U CN210536913U CN201922201343.5U CN201922201343U CN210536913U CN 210536913 U CN210536913 U CN 210536913U CN 201922201343 U CN201922201343 U CN 201922201343U CN 210536913 U CN210536913 U CN 210536913U
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Abstract
The embodiment of the utility model discloses bluetooth headset with FM radio function relates to bluetooth headset technical field. This bluetooth headset includes battery pack, power management unit, bluetooth antenna, audio input unit, audio output unit, power management unit respectively with battery pack and bluetooth unit electric connection, bluetooth unit still respectively with bluetooth antenna, audio input unit and audio output unit electric connection, bluetooth headset still includes: the frequency modulation radio unit and the user input unit are electrically connected with the power management unit; the frequency modulation antenna unit is electrically connected with the frequency modulation radio unit; and the control unit is respectively electrically connected with the Bluetooth unit, the power management unit, the user input unit and the frequency modulation receiving unit and is used for controlling the frequency modulation receiving unit to execute corresponding operation according to a user input instruction. The embodiment of the utility model provides a bluetooth headset can be independent of the function that the FM radio was listened to in the cell-phone realization, and the user of being convenient for carries and uses.
Description
Technical Field
The embodiment of the utility model provides a bluetooth headset technical field, in particular to bluetooth headset with FM radio function.
Background
A Frequency Modulation (FM) radio is a radio that transmits radio signals by using an FM carrier method. At present, some mobile phones also have FM radios, and consumers generally listen to FM audio programs through special radios or mobile phones, but the special radios and mobile phones are large in size and inconvenient to carry and use. In recent years, with the popularization of smart phones, bluetooth headsets are popular with consumers due to the convenience in carrying and use, however, the existing bluetooth headsets are connected with mobile phones to listen to music or voice calls played on the mobile phones, and cannot realize an audio playing function independently of the mobile phones.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the embodiments of the present invention is to provide a bluetooth headset with FM radio function to solve the above-mentioned problem that the dedicated radio or mobile phone is used to listen to FM audio programs, and the bluetooth headset cannot be independent of the mobile phone to realize audio playing function.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
according to an aspect of the embodiment of the utility model provides a bluetooth headset with FM radio function, including battery pack, power management unit, bluetooth antenna, audio input unit, audio output unit, power management unit respectively with battery pack with bluetooth unit electric connection, bluetooth unit still respectively with bluetooth antenna audio input unit with audio output unit electric connection, bluetooth headset still includes:
the frequency modulation radio unit and the user input unit are electrically connected with the power management unit;
the frequency modulation antenna unit is electrically connected with the frequency modulation radio unit; and the number of the first and second groups,
the control unit is respectively electrically connected with the Bluetooth unit, the power management unit, the user input unit and the frequency modulation radio unit and is used for controlling the frequency modulation radio unit to execute corresponding operation according to a user input instruction.
The frequency modulation antenna unit comprises a frequency modulation antenna and an antenna matching unit, one end of the antenna matching unit is electrically connected with the frequency modulation radio unit, and the other end of the antenna matching unit is electrically connected with the frequency modulation antenna.
The Bluetooth headset is a neck strap type Bluetooth headset with a neck strap, the frequency modulation antenna is an independent antenna arranged inside the neck strap, and the length of the frequency modulation antenna is matched with that of the neck strap.
The Bluetooth earphone is a neck belt type Bluetooth earphone with a neck belt, the frequency modulation antenna shares one or more signal lines in the neck belt, and a frequency modulation signal filter is arranged between the shared signal line and the Bluetooth unit.
The frequency modulation antenna is a subminiature antenna, and a low-noise amplifier unit is further arranged between the antenna matching unit and the frequency modulation radio unit.
And a low-noise amplifier matching unit is also arranged between the low-noise amplifier unit and the frequency modulation radio unit.
The subminiature antenna is a patch antenna or a Printed Circuit Board (PCB) antenna.
The Bluetooth headset is an ear-hook headset or a real Wireless Stereo (TWS) headset.
The user input unit is a key, a gravity sensor, a touch sensor or a pressure sensor.
Wherein, the battery unit is a nickel-metal hydride battery or a lithium battery.
For use special radio or cell-phone that exist among the prior art listen to FM audio program, carry and use inconvenience and the unable problem that is independent of the cell-phone and realizes audio playback function of bluetooth headset, the embodiment of the utility model provides a bluetooth headset with FM radio function owing to integrated FM mobile phone function on traditional bluetooth headset for bluetooth headset breaks away from the cell-phone and also can listen to audio program through FM radio function, and the user of being convenient for carries and uses, has promoted user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a block diagram of a bluetooth headset with FM radio function according to an embodiment of the present invention;
fig. 2 is a block diagram of a bluetooth headset with FM radio function according to a second embodiment of the present invention;
fig. 3 is a block diagram of a bluetooth headset with FM radio function according to a third embodiment of the present invention;
fig. 4 is a block diagram of a bluetooth headset with FM radio function according to the fourth embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Fig. 1 is a block diagram of a bluetooth headset with FM radio function according to an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
Referring to fig. 1, the bluetooth headset having an FM radio function provided in this embodiment includes a battery unit 1, a power management unit 2, a bluetooth unit 3, a bluetooth antenna 4, an audio input unit 5, and an audio output unit 6, where the power management unit 2 is electrically connected to the battery unit 1 and the bluetooth unit 3, the bluetooth unit 3 is further electrically connected to the bluetooth antenna 4, the audio input unit 5, and the audio output unit 6, and the bluetooth headset further includes:
the frequency modulation radio unit 7 and the user input unit 8 are electrically connected with the power management unit 2;
a frequency modulation antenna unit 9 electrically connected with the frequency modulation radio unit 7; and the number of the first and second groups,
and the control unit 10 is respectively electrically connected with the Bluetooth unit 3, the power management unit 2, the user input unit 8 and the frequency modulation radio unit 7 and is used for controlling the frequency modulation radio unit 7 to execute corresponding operations according to a user input instruction.
In the present embodiment, the battery unit 1 is responsible for supplying power to various components in the bluetooth headset. The battery unit 1 may be a rechargeable battery, for example: nickel metal hydride or lithium batteries; or a non-rechargeable battery. The bluetooth headset includes, but is not limited to, a neck strap headset, an ear-hook headset, or a TWS headset, etc.
In this embodiment, the power management unit 2 is responsible for charge and discharge management of the battery unit 1, and converts the voltage output by the battery unit 1 into the voltage required by each component, such as the bluetooth unit 3, the control unit 10, and the fm radio unit 7, to supply power to the components.
In the present embodiment, the user input unit 8 is responsible for receiving a signal input of a user operation FM. Preferably, the user input unit 8 may be any other sensor or component capable of detecting a user input signal, such as a key, a gravity sensor, a touch sensor, or a pressure sensor.
In this embodiment, the control unit 10 is responsible for determining the purpose of the user according to the input signal of the user input unit 8, and outputting a corresponding control instruction to control the fm radio unit 7 to perform a corresponding operation.
In this embodiment, the bluetooth unit 3 has a bluetooth transceiving function, and is responsible for bluetooth connection, transmission, and listening to an audio program or a telephone function with a mobile phone. Preferably, the bluetooth unit 3 comprises, but is not limited to, a classical bluetooth unit 3.
In the present embodiment, the fm radio unit 7 is responsible for receiving fm broadcast programs, and the fm radio unit 7 shares the audio output unit 6 of the bluetooth unit 3.
In the present embodiment, the audio input unit 5 and the audio output unit 6 may be one or more; the Bluetooth antenna 4 is responsible for receiving and sending Bluetooth wireless signals; the frequency modulation antenna unit 9 is responsible for receiving frequency modulation signals. The audio input unit 5 includes, but is not limited to, a microphone; the audio output unit 6 includes, but is not limited to, a speaker.
In this embodiment, the fm antenna unit 9 includes a fm antenna 91 and an antenna matching unit 92, one end of the antenna matching unit 92 is electrically connected to the fm radio unit 7, and the other end is electrically connected to the fm antenna 91. The antenna matching unit 92 is configured to perform impedance matching on the antenna link, and adjust a working frequency band of the fm antenna unit 9 to a frequency band required by the fm radio unit. In specific implementation, a proper impedance matching circuit can be selected according to the testing result.
For use special radio or cell-phone that exist among the prior art listen to FM audio program, carry and use inconvenience and the unable problem that is independent of the cell-phone and realizes audio playback function of bluetooth headset, the embodiment of the utility model provides a bluetooth headset with FM radio function owing to integrated FM mobile phone function on traditional bluetooth headset for bluetooth headset breaks away from the cell-phone and also can listen to audio program through FM radio function, and the user of being convenient for carries and uses, has promoted user experience.
Example two
Fig. 2 is a block diagram of a bluetooth headset with FM radio function according to an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
The bluetooth headset provided by this embodiment is a neck strap type bluetooth headset having a neck strap, as shown in fig. 2, in this embodiment, the fm antenna 91 is an independent antenna 911 disposed inside the neck strap, and the length of the fm antenna 91 matches with the length of the neck strap.
Since the length of the neck strap type bluetooth headset is generally about 20cm, and the length of the ideal fm antenna is about 75cm, in this embodiment, in order to achieve a better fm radio effect, an antenna matching unit 92 is added between the fm antenna 91 and the fm radio unit 7 to adjust the operating frequency band of the fm antenna 91 to the frequency band required by the fm radio unit 7.
The neck belt type Bluetooth headset provided by the embodiment can also be independent of a mobile phone to realize the function of listening to an FM radio, is convenient for a user to carry and use, and improves the user experience.
EXAMPLE III
Fig. 3 is a block diagram of a bluetooth headset with FM radio function according to a third embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
In this embodiment, the fm antenna 91 shares one or more signal lines 912 in the neckband, and an fm signal filter 11 is disposed between the shared signal line and the bluetooth unit 3, as shown in fig. 3.
The signal line is a signal line 912 for signal transmission existing inside the neck strap, for example: in the implementation example shown in fig. 3, the signal line is a signal line connected between the bluetooth unit 3 and the audio output unit 6 for signal transmission between the bluetooth unit 3 and the audio output unit 6, and the fm signal filter 11 is connected between the bluetooth unit 3 and the audio output unit 6.
It should be noted that, although not shown in fig. 3, in other implementation examples, the signal line may also be a signal line connected between the bluetooth unit 3 and the audio input unit 3 for signal transmission between the bluetooth unit 3 and the audio input unit 5, where the fm signal filter 11 is connected between the bluetooth unit 3 and the audio input unit 5. Of course, the fm antenna 91 may also adopt a plurality of signal lines, and when the fm antenna 91 adopts a plurality of signal lines, each signal line is provided with an fm signal filter.
In this embodiment, one or more signal lines in the neck strap are directly used as the fm antenna 91 of the fm radio unit 7, and then a fm signal filter 11 is disposed between the shared signal line 912 and the bluetooth unit 3, where the fm signal filter 11 can enable low-frequency signals to normally pass through the bluetooth headset, and at the same time, it will exhibit high impedance to the fm signals, so as to prevent the fm signals from leaking into the bluetooth unit 3, and thus most of the fm signals can enter the fm radio unit 7 along the antenna matching unit 92.
The high frequency signal filter can achieve the function of the fm antenna 91 of the fm radio unit 7 without adding additional lines, and can also enhance the received signal strength when a plurality of signal lines 912 are used for signal combination.
Compared with the previous embodiment, the bluetooth headset provided by the embodiment does not need to add an additional independent antenna in the neck strap, so that the neck strap is narrower, and the product cost can be reduced.
Example four
Fig. 4 is a block diagram of a bluetooth headset with FM radio function according to the fourth embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
Referring to fig. 4, in the present embodiment, the fm antenna 91 is a subminiature antenna, and a low noise amplifier unit 93 is further disposed between the antenna matching unit 92 and the fm radio unit 7.
Preferably, in the present embodiment, the subminiature antenna includes, but is not limited to, a patch antenna or a board-mounted PCB antenna; the bluetooth headset includes, but is not limited to, an ear-hook headset or a TWS headset.
Preferably, a low noise amplifier matching unit 94 is further disposed between the low noise amplifier unit 93 and the fm radio unit 7. For some small-sized bluetooth headsets, for example: in the embodiment, a low noise amplifier 93 and a corresponding low noise amplifier matching unit 94 are added between the fm antenna 91 and the fm radio unit 7 to achieve amplification enhancement of the fm signal, so that the fm effect can be improved.
Above can find out, the bluetooth headset that has FM radio function that this embodiment provided is owing to integrate FM cell-phone function on traditional bluetooth headset equally for bluetooth headset can be independent of the cell-phone and realize listening to the function of FM radio, and the user of being convenient for carries and uses, has promoted user experience.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a bluetooth headset with FM radio function, its characterized in that includes battery pack, power management unit, bluetooth antenna, audio input unit, audio output unit, power management unit respectively with battery pack with bluetooth unit electric connection, bluetooth unit still respectively with bluetooth antenna audio input unit with audio output unit electric connection, bluetooth headset still includes:
the frequency modulation radio unit and the user input unit are electrically connected with the power management unit;
the frequency modulation antenna unit is electrically connected with the frequency modulation radio unit; and the number of the first and second groups,
the control unit is respectively electrically connected with the Bluetooth unit, the power management unit, the user input unit and the frequency modulation radio unit and is used for controlling the frequency modulation radio unit to execute corresponding operation according to a user input instruction.
2. The bluetooth headset having an FM radio function as claimed in claim 1, wherein the FM antenna unit includes a FM antenna and an antenna matching unit, one end of the antenna matching unit is electrically connected to the FM radio unit, and the other end of the antenna matching unit is electrically connected to the FM antenna.
3. The FM-radio enabled bluetooth headset of claim 2, wherein the bluetooth headset is a neckband bluetooth headset having a neckband, the FM antenna is a separate antenna disposed inside the neckband, and the FM antenna has a length that matches the length of the neckband.
4. The FM-radio enabled bluetooth headset of claim 2, wherein the bluetooth headset is a neckband bluetooth headset having a neckband, the FM antenna shares one or more signal lines within the neckband, and an FM signal filter is disposed between the shared signal line and the bluetooth unit.
5. The FM-radio enabled bluetooth headset of claim 2, wherein the FM antenna is a subminiature antenna, and a low noise amplifier is further disposed between the antenna matching unit and the FM radio unit.
6. The FM-radio enabled bluetooth headset of claim 5, wherein a low noise amplifier matching unit is further disposed between the low noise amplifier unit and the FM-radio unit.
7. The FM radio enabled Bluetooth headset of claim 5, wherein said subminiature antenna is a patch antenna or a board mounted PCB antenna.
8. The FM radio enabled Bluetooth headset of claim 5, wherein said Bluetooth headset is an ear-hook headset or a TWS headset.
9. The FM-radio enabled bluetooth headset of claim 1, wherein the user input unit is a key, a gravity sensor, a touch sensor, or a pressure sensor.
10. The FM-radio enabled bluetooth headset according to claim 1, wherein the battery unit is a nickel metal hydride battery or a lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201343.5U CN210536913U (en) | 2019-12-10 | 2019-12-10 | Bluetooth headset with FM radio function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201343.5U CN210536913U (en) | 2019-12-10 | 2019-12-10 | Bluetooth headset with FM radio function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210536913U true CN210536913U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922201343.5U Active CN210536913U (en) | 2019-12-10 | 2019-12-10 | Bluetooth headset with FM radio function |
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|---|---|
| CN (1) | CN210536913U (en) |
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- 2019-12-10 CN CN201922201343.5U patent/CN210536913U/en active Active
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