CN205946093U - Novel bluetooth car kit broadcast device - Google Patents
Novel bluetooth car kit broadcast device Download PDFInfo
- Publication number
- CN205946093U CN205946093U CN201620757302.8U CN201620757302U CN205946093U CN 205946093 U CN205946093 U CN 205946093U CN 201620757302 U CN201620757302 U CN 201620757302U CN 205946093 U CN205946093 U CN 205946093U
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- China
- Prior art keywords
- bluetooth
- circuit
- car
- mounted terminal
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Telephone Function (AREA)
Abstract
The utility model relates to a novel bluetooth car kit broadcast device. The device includes automobile -mounted terminal and the bluetooth headset who inserts the interior power mouth of car, and bluetooth headset and mobile terminal wireless connection, automobile -mounted terminal include the reduction voltage circuit and power amplifier circuit, the FM of electricity connection reduction voltage circuit play circuit, the electric connection of the interior power mouth of reduction voltage circuit and car respectively. Bluetooth headset includes bluetooth chip, power, loudspeaker and detection circuitry, and the bluetooth chip is electric connection power supply and detection circuitry respectively, and loudspeaker are connected with the detection circuitry electricity. When bluetooth headset and automobile -mounted terminal electricity is connected, detection circuitry respectively with power amplifier circuit and FM play the circuit electric be connected to convey to automobile -mounted terminal with the audio frequency with bluetooth headset play. The basis is novel to set up changeable audio output's detection circuitry through set up FM broadcast circuit on automobile -mounted terminal on bluetooth headset, the audio frequency conveys automobile -mounted terminal through detection circuitry and carries out the broadcast of FM frequency modulation, has improved convenient to use nature and functional, has satisfied user's demand.
Description
Technical field
This utility model is related to vehicular amusement apparatus, more particularly, to a kind of novel on-vehicle bluetooth playing device.
Background technology
A mouth and cigar lighter is generally left, cigar lighter passes through to be inserted in a mouth power taking heating coil with point in automobile
Burn incense cigarette.In-car point mouth has become as the first-selected power port of vehicle electronic device, such as vehicle mounted MP 3, vehicle-mounted charge now
Device or drive recorder etc..There are many vehicle-mounted charge seats and bluetooth earphone on the market, bluetooth earphone is permissible when not using
Put into and charge on vehicle-mounted charge seat, and directly bluetooth earphone is picked up disengaging vehicle-mounted charge toilet in incoming call answering and can answer
Phone.And when bluetooth earphone puts into vehicle-mounted charge seat, bluetooth earphone is still wirelessly connected to mobile phone or panel computer etc. and moves
Dynamic terminal, and bluetooth earphone does not play other effects.For some, there is no the vehicle that Bluetooth function only has FM function, move
Music in dynamic terminal is difficult to directly play on vehicle-mounted console.Therefore can using bluetooth earphone and vehicle-mounted charge seat as in
Medium, apparatus connect vehicle-mounted console and the mobile terminals such as mobile phone, to meet the demand of user.
Utility model content
The purpose of this utility model is to provide a kind of novel on-vehicle bluetooth playing device so that mobile terminal is transferred to indigo plant
The audio frequency of tooth earphone can be play and can also be play by FM frequency modulation in bluetooth earphone.
For achieving the above object, this utility model employs the following technical solutions：
A kind of novel on-vehicle bluetooth playing device, it includes the car-mounted terminal inserting in-car power port and having playing function
And bluetooth earphone, bluetooth earphone is wirelessly connected with mobile terminal to transmit audio frequency or control command, and car-mounted terminal includes blood pressure lowering
Circuit and be electrically connected the power amplifier of reduction voltage circuit, FM playing circuit, reduction voltage circuit is electrically connected with in-car power port；
Bluetooth earphone includes Bluetooth chip, power supply, loudspeaker and cuts according to whether bluetooth earphone electrically connects car-mounted terminal
Change the testing circuit of audio output, Bluetooth chip is electrically connected power supply and testing circuit, loudspeaker are electrically connected with testing circuit；
When bluetooth earphone is electrically connected with car-mounted terminal, Bluetooth chip is electrically connected with power amplifier and FM playing circuit respectively
Connect, testing circuit is electrically connected with power amplifier and FM playing circuit respectively and broadcast so that the audio frequency of bluetooth earphone is sent to car-mounted terminal
Put；
When bluetooth earphone and car-mounted terminal depart from and electrically connect, testing circuit departs from electricity with power amplifier, FM playing circuit
Connect and audio frequency is sent to loudspeaker by testing circuit and plays by Bluetooth chip.
Further, testing circuit includes two switch chips, and the input of switch chip is electrically connected with Bluetooth chip；When
When the test side of switch chip is electrically connected with car-mounted terminal, one of outfan of switch chip electrically connect with car-mounted terminal with
Transmission audio frequency；When the test side of switch chip departs from the electrical connection of car-mounted terminal, another outfan of switch chip to
The loudspeaker output audio frequency of bluetooth earphone.
Further, switch chip is the single analog switch chip of model SGM3157.
Further, an electric capacity and one it have been sequentially connected in series between the outfan of switch chip and the loudspeaker of bluetooth earphone
Resistance.
Further, the outfan that switch chip is electrically connected with car-mounted terminal is in series with an electric capacity.
Further, bluetooth earphone also includes prestoring the memorizer of information of voice prompt, memorizer and Bluetooth chip electricity
Connect.
Further, bluetooth earphone also includes key circuit, and key circuit is electrically connected with Bluetooth chip.
Further, bluetooth earphone also includes mike, and mike is electrically connected with Bluetooth chip.
Further, car-mounted terminal also includes the USB circuit for charging, and USB circuit is electrically connected with reduction voltage circuit.
This utility model beneficial effect compared with prior art is：
This utility model passes through to arrange FM playing circuit on car-mounted terminal, and on bluetooth earphone, setting switchable audio is defeated
The testing circuit going out, when bluetooth earphone is placed on car-mounted terminal, the audio frequency of mobile terminal is sent to car-mounted terminal by testing circuit
Carry out FM frequency modulation broadcasting, and when bluetooth earphone departs from car-mounted terminal, the audio frequency of mobile terminal is just play in bluetooth earphone, thus
Mobile terminal and vehicle-mounted console are wirelessly coupled together by bluetooth earphone and car-mounted terminal, improve ease of use and function
Property, meet the demand of user.
Brief description
Fig. 1 is each part connection figure of on-vehicle Bluetooth playing device；
Fig. 2 is the system block diagram of on-vehicle Bluetooth playing device；
Fig. 3 is the circuit diagram of the testing circuit of bluetooth earphone.
Specific embodiment
In order to more fully understand technology contents of the present utility model, with reference to specific embodiment to skill of the present utility model
Art scheme is further described and illustrates.
As shown in figure 1, the on-vehicle Bluetooth playing device of the present embodiment includes inserting in-car power port 10 and having broadcasting work(
The car-mounted terminal 20 of energy and bluetooth earphone 30.Wherein, bluetooth earphone 30 is set up bluetooth with mobile terminal 40 and is wirelessly connected to pass
Send audio frequency or control command.Mobile terminal 40 can be the smart machines such as mobile phone, panel computer.Bluetooth earphone 30 and car-mounted terminal
20 physical electrical connections are sent to car-mounted terminal 20 to charge to bluetooth earphone 30 and by audio frequency and play.
One end of car-mounted terminal 20 is inserted into in-car power port 10 and carries out power taking, and car-mounted terminal 20 can be external simultaneously
Portion's electronic equipment is charged, such as mobile phone, panel computer and automatic navigator etc..In addition car-mounted terminal 20 also carries FM transmitting work(
Can, FM FM transmission can be passed through with audio frequency and play to in-car console reception.As shown in Fig. 2 specifically, car-mounted terminal 20 includes
Reduction voltage circuit 21 and the USB circuit 22 for charging, USB circuit 22 is electrically connected with reduction voltage circuit 21.Reduction voltage circuit 21 and car
Interior power mouth 10 electrically connects to reduce voltage, and USB circuit 22 is then responsible for for the fax after blood pressure lowering transporting to external electronic device.Fall
Physical circuit components and parts connected mode in the middle of volt circuit 21 and USB circuit 22 is prior art, will not be described here.
As shown in Fig. 2 car-mounted terminal 20 also includes power amplifier 23, the FM playing circuit being electrically connected reduction voltage circuit 21
24.When bluetooth earphone 30 and car-mounted terminal 20 physical electrical connection, power amplifier 23 and FM playing circuit 24 respectively with bluetooth ear
Machine 30 electrically connects.Power amplifier 23 is used for playing some built-in information of voice prompt prestoring, and such as welcomes to use phrase, connection
Whether successfully phrase etc..And FM playing circuit 24 is then used for playing the audio frequency letter that mobile terminal 50 transmits from bluetooth earphone 30
Breath, the phone such as answered, the music play, mobile terminal 50 prompt tone of itself etc..External one of FM playing circuit 24 is sent out
Penetrate antenna so that FM frequency-modulated signal transmission is extremely extraneous.Physical circuit components and parts in the middle of power amplifier 23, FM playing circuit 24 are even
The mode that connects is prior art, will not be described here.
As shown in Fig. 2 the physical interface being connected with bluetooth earphone 30, remote terminal 40, bluetooth are left on car-mounted terminal 20
Earphone 30 is directly electrically connected with the electronic devices and components within car-mounted terminal 20 by physical interface.Bluetooth earphone 30 includes bluetooth core
Piece 31, power supply 37, loudspeaker 33 and whether the detection that car-mounted terminal 20 switches audio output is electrically connected according to bluetooth earphone 30
Circuit 32.Bluetooth chip 31 is electrically connected power supply 37 and testing circuit 32, and loudspeaker 33 are electrically connected with testing circuit 32.Work as indigo plant
When tooth earphone 30 and car-mounted terminal 20 direct physical electrical connection, Bluetooth chip 31 respectively with power amplifier 23 and FM playing circuit 24
Electrical connection, testing circuit 32 is electrically connected with power amplifier 23 and FM playing circuit 24 respectively to transmit the audio frequency of bluetooth earphone 30
Play to car-mounted terminal 20.And when bluetooth earphone 30 and car-mounted terminal 20 depart from and electrically connect, testing circuit 32 and power amplifier
23rd, FM playing circuit 24 departs from electrical connection and audio frequency is sent to loudspeaker 33 by testing circuit 32 and plays by Bluetooth chip 31.
As shown in figure 3, specifically, testing circuit 32 includes two switch chip U1 and U2, and switch chip U1 and U2 is type
Number for SGM3157 single analog switch chip.The input of switch chip U1 and U2 is electrically connected with Bluetooth chip 31.Work as switch
When the test side I04 of chip U1 and U2 is electrically connected with car-mounted terminal 20, the outfan I02 of switch chip U1 and U2 and car-mounted terminal
20 electrical connections are to transmit audio frequency.When departing from the electrical connection with car-mounted terminal 20 as the test side I04 of switch chip U1 and U2, switch
The outfan I01 of chip U1 and U2 exports audio frequency to the loudspeaker 33 of bluetooth earphone 30.As shown in figure 3, the output of switch chip U1
Electric capacity C21 and resistance R10, the outfan I01 of switch chip U2 have been sequentially connected in series it between end I01 and the loudspeaker 33 of bluetooth earphone 30
It has been sequentially connected in series electric capacity C63 and resistance R22 and the loudspeaker 33 of bluetooth earphone 30 between.Switch chip U1 outfan I02 is in series with
Electric capacity C64, switch chip U2 outfan I02 is in series with electric capacity C65.
Additionally, as shown in Fig. 2 bluetooth earphone 30 also includes memorizer 35, memorizer 35 is electrically connected with Bluetooth chip 31.Deposit
Whether successfully reservoir 35 prestores information of voice prompt, such as welcomes to use phrase, connection phrase etc..
As shown in Fig. 2 bluetooth earphone 30 also includes key circuit 36, key circuit 36 is electrically connected with Bluetooth chip 31.Press
Key circuit 36 is used for controlling the broadcasting of mobile terminal 50 or receives calls etc. action.Key circuit 36 is used for controlling to be connected or hangs
Power-off is talked about, is play next bent, upper one bent, action such as time-out is play, bluetooth earphone 30 shuts down/starts shooting, phonetic function startup.
As shown in Fig. 2 bluetooth earphone 30 also includes mike 34, mike 34 is electrically connected with Bluetooth chip 31.Mike
34 function is admission voice data.After opening voice control function by key circuit 36, user can pass through bluetooth
Phonetic order said by the mike 34 of earphone 30, and phonetic order is sent to mobile terminal 50 and carries out high in the clouds knowledge by bluetooth earphone 30
Not, the phonetic order finally executing return realizes the action required by user.
Set forth above only technology contents of the present utility model are further illustrated with embodiment, in order to reader be easier manage
Solution, but does not represent embodiment of the present utility model and is only limitted to this, any extend according to the technology that this utility model is done or creates
Make, all by protection of the present utility model.
Claims (9)
1. a kind of novel on-vehicle bluetooth playing device is it is characterised in that it includes inserting in-car power port and having playing function
Car-mounted terminal and bluetooth earphone, described bluetooth earphone is wirelessly connected with mobile terminal to transmit audio frequency or control command, institute
State car-mounted terminal to include reduction voltage circuit and be electrically connected the power amplifier of described reduction voltage circuit, FM playing circuit, described fall
Volt circuit is electrically connected with in-car power port；
Described bluetooth earphone includes Bluetooth chip, power supply, loudspeaker and cuts according to whether bluetooth earphone electrically connects car-mounted terminal
Change the testing circuit of audio output, described Bluetooth chip is electrically connected power supply and testing circuit, described loudspeaker and described detection
Circuit electrically connects；
When described bluetooth earphone is electrically connected with described car-mounted terminal, described Bluetooth chip plays electricity with power amplifier and FM respectively
Road electrically connects, and described testing circuit is electrically connected with described power amplifier and FM playing circuit respectively to pass the audio frequency of bluetooth earphone
Deliver to car-mounted terminal to play；
When described bluetooth earphone and car-mounted terminal depart from and electrically connect, described testing circuit is taken off with power amplifier, FM playing circuit
From electrical connection and described Bluetooth chip passes through testing circuit and audio frequency is sent to the broadcasting of described loudspeaker.
2. novel on-vehicle bluetooth playing device as claimed in claim 1 is it is characterised in that described testing circuit includes two opens
Close chip, the input of described switch chip is electrically connected with Bluetooth chip；Test side and car-mounted terminal when described switch chip
During electrical connection, one of outfan of described switch chip is electrically connected with car-mounted terminal to transmit audio frequency；When described switch core
When the test side of piece departs from the electrical connection with car-mounted terminal, another outfan of described switch chip is to the loudspeaker of bluetooth earphone
Output audio frequency.
3. novel on-vehicle bluetooth playing device as claimed in claim 2 is it is characterised in that described switch chip is model
The single analog switch chip of SGM3157.
4. novel on-vehicle bluetooth playing device as claimed in claim 2 or claim 3 is it is characterised in that the output of described switch chip
An electric capacity and a resistance have been sequentially connected in series it between end and the loudspeaker of bluetooth earphone.
5. novel on-vehicle bluetooth playing device as claimed in claim 2 or claim 3 it is characterised in that described switch chip with vehicle-mounted
The outfan of terminal electrical connection is in series with an electric capacity.
6. novel on-vehicle bluetooth playing device as claimed in claim 1 is it is characterised in that described bluetooth earphone also includes prestoring
There is the memorizer of information of voice prompt, described memorizer is electrically connected with described Bluetooth chip.
7. novel on-vehicle bluetooth playing device as claimed in claim 1 is it is characterised in that described bluetooth earphone also includes button
Circuit, described key circuit is electrically connected with described Bluetooth chip.
8. novel on-vehicle bluetooth playing device as claimed in claim 1 is it is characterised in that described bluetooth earphone also includes Mike
Wind, described mike is electrically connected with described Bluetooth chip.
9. novel on-vehicle bluetooth playing device as claimed in claim 1 it is characterised in that described car-mounted terminal also include for
The USB circuit charging, described USB circuit is electrically connected with described reduction voltage circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757302.8U CN205946093U (en) | 2016-07-19 | 2016-07-19 | Novel bluetooth car kit broadcast device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757302.8U CN205946093U (en) | 2016-07-19 | 2016-07-19 | Novel bluetooth car kit broadcast device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205946093U true CN205946093U (en) | 2017-02-08 |
Family
ID=57929451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620757302.8U Expired - Fee Related CN205946093U (en) | 2016-07-19 | 2016-07-19 | Novel bluetooth car kit broadcast device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205946093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830058A (en) * | 2019-09-27 | 2020-02-21 | 福建工程学院 | Frequency modulation transmitter device based on Bluetooth communication |
-
2016
- 2016-07-19 CN CN201620757302.8U patent/CN205946093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110830058A (en) * | 2019-09-27 | 2020-02-21 | 福建工程学院 | Frequency modulation transmitter device based on Bluetooth communication |
| CN110830058B (en) * | 2019-09-27 | 2022-02-22 | 福建工程学院 | Frequency modulation transmitter device based on Bluetooth communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170719 |