CN212211339U - Vehicle-mounted USB charger with double Bluetooth - Google Patents
Vehicle-mounted USB charger with double Bluetooth Download PDFInfo
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- CN212211339U CN212211339U CN202020950031.4U CN202020950031U CN212211339U CN 212211339 U CN212211339 U CN 212211339U CN 202020950031 U CN202020950031 U CN 202020950031U CN 212211339 U CN212211339 U CN 212211339U
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Abstract
The utility model discloses a vehicle USB charger with double Bluetooth, which comprises a separated Bluetooth earphone and a USB charging seat for placing the Bluetooth earphone, wherein the Bluetooth earphone comprises a Bluetooth earphone chip connected with the Bluetooth of a mobile phone and used for receiving the audio signal of the mobile phone; an FM transmitting module is arranged in the USB charging seat, is used for receiving the audio signal sent by the Bluetooth earphone chip and sending the audio signal to the Bluetooth chip of the FM transmitting module, and is connected with the FM transmitting module to be used for charging the Bluetooth earphone; the Bluetooth earphone chip is directly connected with the Bluetooth chip through Bluetooth communication, or is connected with the double Bluetooth chips through mobile phone Bluetooth communication. Compared with the prior art, the utility model provides a high frequency noise problem that wired connection between bluetooth headset and the on-vehicle charger brought, promoted user experience, make the car owner not need frequently to control the cell-phone at the in-process of driving, it is safer to drive.
Description
Technical Field
The utility model relates to an automobile electronics spare part technical field, in particular to on-vehicle USB charger with two bluetooth in on-vehicle audio playback field and on-vehicle USB charger field.
Background
With the improvement of living standards of people, vehicles become necessary transportation tools for traveling, call receiving, music listening and navigation are scene requirements with high use frequency in the driving process, and currently, a bluetooth headset, a vehicle-mounted MP3 player, mobile phone navigation software and a vehicle-mounted mobile phone audio signal FM transmitter appearing in the market are different solutions for meeting the requirements of vehicle owners, but the different vehicle-mounted electronic products bring multiple power supply problems.
In order to solve the above problems, vehicle-mounted USB chargers integrating a bluetooth headset and FM transmission into a whole have appeared in the market, but these solutions are solutions of a single bluetooth chip, and the bluetooth chip is placed in the bluetooth headset, and the FM transmission chip is placed at one end of the vehicle-mounted USB charger, and a detachable design is adopted between the bluetooth headset and the vehicle-mounted USB charger to solve the problem of in-ear conversation of the bluetooth headset, and when the bluetooth headset and the vehicle-mounted USB charger are combined together, an electronic connector is adopted between the bluetooth headset and the vehicle-mounted USB charger to solve the problem of data communication between the bluetooth headset and the vehicle-mounted USB charger (as shown in fig. 1), such a hard connection communication mode inevitably generates high-frequency interference signals when connectors at two sides are completely combined together in the process of starting to touch, and transmits the signals to the FM transmission module to cause a radio speaker to emit harsh high-frequency noise, causing discomfort to the user and affecting the user experience.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an on-vehicle USB charger with two bluetooth, aims at solving the loudspeaker high frequency noise problem that the hard connected mode of data communication among the prior art brought, promotes user experience.
In order to achieve the above object, the utility model provides a vehicle-mounted USB charger with double Bluetooth, which comprises a separated Bluetooth earphone and a USB charging seat for placing the Bluetooth earphone, wherein,
the Bluetooth earphone comprises a Bluetooth earphone chip which is connected with the Bluetooth of the mobile phone and is used for receiving the audio signal of the mobile phone;
an FM transmitting module is arranged in the USB charging seat, is used for receiving the audio signal sent by the Bluetooth headset chip and sending the audio signal to the Bluetooth chip of the FM transmitting module, and is connected with a power management module used for charging the Bluetooth headset;
the Bluetooth earphone chip is directly connected with the Bluetooth chip through Bluetooth communication, or the Bluetooth of the mobile phone is connected with the Bluetooth chip through the Bluetooth of the mobile phone.
The utility model discloses a further technical scheme is, be provided with on the charging seat and be used for placing bluetooth headset's standing groove, be provided with in the standing groove with the contact connection ware that power management module connects, bluetooth headset be provided with the corresponding interface that charges of contact connection ware.
The utility model discloses a further technical scheme is, FM emission module still is connected with vehicle FM radio equipment, be used for with audio signal send to vehicle FM radio equipment, with pass through vehicle FM radio equipment is put outward audio signal.
The utility model discloses a further technical scheme is, be provided with in the bluetooth headset with speech recognition module and microphone that the bluetooth headset chip is connected.
The utility model discloses a further technical scheme is, bluetooth headset still be provided with the loudspeaker that the bluetooth headset chip is connected.
The utility model discloses a further technical scheme is, be provided with square circuit board in the bluetooth headset, the bluetooth headset chip install in on the square circuit board.
The utility model discloses a further technical scheme is, be provided with square circuit board in the USB charging seat, the bluetooth headset chip install in on the square circuit board.
The utility model discloses on-vehicle USB charger with two bluetooth's beneficial effect is: the utility model discloses a bluetooth headset chip with directly connect through the bluetooth communication between the bluetooth chip, perhaps, through bluetooth of the mobile phone with bluetooth chip communication is connected, realizes bluetooth headset chip with data transmission between the bluetooth chip adopts the technical scheme that data transmission was realized to the hard joint among the prior art, can solve the loudspeaker high frequency noise problem that wired connection between bluetooth headset and the vehicle-mounted charger brought, with low-cost scheme, realized that car owner user receives the telephone, listens music, listen high frequency scene demands such as navigation at the in-process of driving to bring good user experience, make the car owner need not frequently control the cell-phone at the driving in-process, it is safer to drive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art vehicle USB charger;
FIG. 2 is a schematic structural diagram of the USB cradle separated from the Bluetooth headset;
FIG. 3 is a schematic diagram of the structure of the USB cradle and the Bluetooth headset;
FIG. 4 is a schematic diagram of functional modules of a Bluetooth headset chip and a Bluetooth chip directly connected through Bluetooth communication;
fig. 5 is a schematic diagram of functional modules of the bluetooth communication connection between the bluetooth headset chip and the bluetooth chip through the mobile phone.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Bluetooth |
201 | |
| 101 | Bluetooth |
202 | Bluetooth |
| 102 | |
203 | Power |
| 103 | Horn |
204 | |
| 2 | |
3 | Mobile phone Bluetooth |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Please refer to fig. 2 to 5, the utility model provides an on-vehicle USB charger with two bluetooth, this on-vehicle USB charger with two bluetooth adopts the technique of the true wireless stereo bluetooth headset of TWS, with wireless communication's mode, the communication noise problem that wired connection between bluetooth headset and the on-vehicle charger brought has been solved, scheme with low costs, the high frequency scene demands such as the car owner user is answering the phone, listening to the music, listening to the navigation at the driving in-process have been realized, and bring good user experience, make the car owner need not frequently control the cell-phone at the driving in-process, it is safer to drive.
Specifically, as shown in fig. 2 to 5, the preferred embodiment of the vehicle-mounted USB charger with dual bluetooth comprises a separated bluetooth headset 1 and a USB charging seat 2 for placing the bluetooth headset 1.
The bluetooth headset 1 includes a bluetooth headset chip 101 connected to the mobile phone bluetooth 3 for receiving an audio signal of the mobile phone.
An FM transmitting module 201 is arranged in the USB charging seat 2 and used for receiving the audio signal sent by the Bluetooth headset chip 101, sending the audio signal to a Bluetooth chip 202 of the FM transmitting module 201, and a power management module 203 connected with the FM transmitting module 201 and used for charging the Bluetooth headset 1.
In this embodiment, the bluetooth headset chip 101 and the bluetooth chip 202 are directly connected through bluetooth communication, or are connected through the mobile phone bluetooth 3 and the bluetooth chip 202 through bluetooth communication.
Based on the above distinguishing technical features, after the mobile phone bluetooth 3 is connected with the bluetooth headset chip 101 in a pairing manner, audio signals such as voice, music, navigation and the like in the mobile phone are sent to the bluetooth headset chip 101 through a bluetooth protocol, and the audio signals are played through the bluetooth headset 1.
It can be understood that, at this time, the bluetooth headset chip 101 and the bluetooth chip 202 establish a communication wireless connection relationship, so that the bluetooth chip 202 may also receive an audio signal from a mobile phone and transmit the audio signal to the bluetooth chip 202 synchronously, the bluetooth chip 202 sends the audio signal to the FM transmission module 201 to be modulated into an FM radio broadcast signal for transmission, and an FM device (e.g., a radio) in a vehicle receives the audio signal and then plays the FM radio broadcast signal through a car audio.
The FM transmitting module 201 is further connected with a vehicle FM radio device, and is used for sending the audio signal to the vehicle FM radio device, so as to pass through the vehicle FM radio device and play the audio signal.
It is worth emphasizing that, in this embodiment, the bluetooth headset chip 101 and the bluetooth chip 202 are directly connected through bluetooth communication, or the mobile phone bluetooth 3 is connected with the bluetooth chip 202 through bluetooth communication, so as to implement data transmission between the bluetooth headset chip 101 and the bluetooth chip 202, and compared with a technical scheme in the prior art that data transmission is implemented through hard connection, the problem of high-frequency noise of the speaker 103 caused by wired connection between the bluetooth headset 1 and the vehicle-mounted charger can be solved, and with a scheme of low cost, high-frequency scene requirements of a vehicle owner user for answering a call, listening to music, listening to navigation and the like in a driving process are implemented, and good user experience is brought, so that the vehicle owner does not need to frequently control a mobile phone in the driving process, and driving is safer.
Further, in this embodiment, a placing groove for placing the bluetooth headset 1 is provided on the charging seat, a contact connector 204 connected to the power management module 203 is provided in the placing groove, the bluetooth headset 1 is provided with a charging interface 102 corresponding to the contact connector 204, and a connector for receiving power corresponding to the contact connector 204 is provided in the charger.
When the bluetooth headset 1 is not used, a user may place the bluetooth headset 1 in the placement slot, and connect the charging interface 102 with the contact connector 204, so as to charge the bluetooth headset 1 through the power management module 203. It can be understood that, in this embodiment, when the power management module 203 charges the bluetooth headset 1, the contact connector 204 does not perform data communication, and does not generate an interference signal.
Furthermore, a voice recognition module and a microphone connected with the bluetooth headset chip 101 are arranged in the bluetooth headset 1.
In this embodiment, the bluetooth headset 1 has a voice recognition module, a microphone and a control function, and a voice command of a user is sent to the mobile phone APP through the bluetooth chip 202 to perform voice recognition processing, and the mobile phone executes a corresponding instruction operation.
Furthermore, in this embodiment, the bluetooth headset 1 is further provided with a speaker 103 connected to the bluetooth headset chip 101.
A square circuit board is arranged in the Bluetooth headset 1, and the Bluetooth headset chip 101 is installed on the square circuit board.
A square circuit board is arranged in the USB charging seat 2, and the Bluetooth headset chip 101 is installed on the square circuit board.
The utility model discloses on-vehicle USB charger with two bluetooth's beneficial effect is: the utility model discloses a bluetooth headset chip with directly connect through the bluetooth communication between the bluetooth chip, perhaps, through bluetooth of the mobile phone with bluetooth chip communication is connected, realizes bluetooth headset chip with data transmission between the bluetooth chip adopts the technical scheme that data transmission was realized to the hard joint among the prior art, can solve the loudspeaker high frequency noise problem that wired connection between bluetooth headset and the vehicle-mounted charger brought, with low-cost scheme, realized that car owner user receives the telephone, listens music, listen high frequency scene demands such as navigation at the in-process of driving to bring good user experience, make the car owner need not frequently control the cell-phone at the driving in-process, it is safer to drive.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (7)
1. A vehicle-mounted USB charger with double Bluetooth is characterized by comprising a separated Bluetooth earphone and a USB charging seat for placing the Bluetooth earphone, wherein,
the Bluetooth earphone comprises a Bluetooth earphone chip which is connected with the Bluetooth of the mobile phone and is used for receiving the audio signal of the mobile phone;
an FM transmitting module is arranged in the USB charging seat, is used for receiving the audio signal sent by the Bluetooth headset chip and sending the audio signal to the Bluetooth chip of the FM transmitting module, and is connected with a power management module used for charging the Bluetooth headset;
the Bluetooth earphone chip is directly connected with the Bluetooth chip through Bluetooth communication, or the Bluetooth of the mobile phone is connected with the Bluetooth chip through the Bluetooth of the mobile phone.
2. The vehicle-mounted USB charger with dual Bluetooth functions according to claim 1, wherein a placement slot for placing the Bluetooth headset is disposed on the charging seat, a contact connector connected to the power management module is disposed in the placement slot, and the Bluetooth headset is provided with a charging interface corresponding to the contact connector.
3. The vehicle-mounted USB charger with double Bluetooth function of claim 1, wherein the FM transmitting module is further connected to a vehicle FM radio device for transmitting the audio signal to the vehicle FM radio device for playing out the audio signal through the vehicle FM radio device.
4. The vehicle-mounted USB charger with double Bluetooth as claimed in claim 1, wherein a voice recognition module and a microphone connected to the Bluetooth headset chip are disposed in the Bluetooth headset.
5. The vehicle-mounted USB charger with double Bluetooth function according to claim 1, wherein the Bluetooth headset further comprises a speaker connected to the Bluetooth headset chip.
6. The vehicle-mounted USB charger with double Bluetooth modules according to any one of claims 1 to 5, wherein a square circuit board is disposed in the Bluetooth module, and the Bluetooth module chip is mounted on the square circuit board.
7. The vehicle-mounted USB charger with double Bluetooth modules according to any one of claims 1 to 5, wherein a square circuit board is disposed in the USB charging socket, and the Bluetooth headset chip is mounted on the square circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020950031.4U CN212211339U (en) | 2020-05-29 | 2020-05-29 | Vehicle-mounted USB charger with double Bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020950031.4U CN212211339U (en) | 2020-05-29 | 2020-05-29 | Vehicle-mounted USB charger with double Bluetooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212211339U true CN212211339U (en) | 2020-12-22 |
Family
ID=73812737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020950031.4U Active CN212211339U (en) | 2020-05-29 | 2020-05-29 | Vehicle-mounted USB charger with double Bluetooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212211339U (en) |
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2020
- 2020-05-29 CN CN202020950031.4U patent/CN212211339U/en active Active
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