CN206948298U - A kind of radio - Google Patents
A kind of radio Download PDFInfo
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- CN206948298U CN206948298U CN201720669467.4U CN201720669467U CN206948298U CN 206948298 U CN206948298 U CN 206948298U CN 201720669467 U CN201720669467 U CN 201720669467U CN 206948298 U CN206948298 U CN 206948298U
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Abstract
The utility model discloses a kind of radio, it include being used for the power module to whole device power supply, radio module, core processing module, power amplifier playback module, for the external bluetooth module either expansion interface of Wi Fi modules or 3G/4G modules, the power module is connected with the radio module, core processing module, power amplifier playback module, expansion interface respectively, the core processing module is also connected with the radio module, power amplifier playback module, expansion interface respectively, and the expansion interface, radio module are also connected with power amplifier playback module.Radio of the present utility model, which has, expands interface, and it both can be with external Wi Fi modules or 3G/4G modules, again can be with external bluetooth module, and when external Wi Fi modules or 3G/4G modules, radio is widenable to internet radio；When external bluetooth module, radio can combine sounding with Baffle Box of Bluetooth, and in a word, the flexible cost of this radio configuration is low, Consumer's Experience lifting.
Description
Technical field
It the utility model is related to audio system field, more particularly to a kind of radio.
Background technology
Radio is a kind of small-sized radio receiver.It is mainly used in receiving radio broadcast program, listens to radio
The amusement and information program that transmitting station, typically broadcasting station are sent.With flourishing for internet, electricity is listened on network
Platform, it is no longer limited to listening to for old-style radio.
Internet radio is divided into two kinds.A kind of is a kind of software operated in computer or intelligent movable equipment, Ke Yishou
Hear the various network radio stations on network.Such as dragonfly fm, AnyRadio internet radio etc..Cell phone network radio software
Be born and bring Gospel to the cellphone subscriber for not providing radio receiver module originally, can by their on-line synchronous uppicks with it is general
The same content of logical FM signal program of radio station, but this radio lacks the experience sense of traditional radio.Another is then
It is to need hardware FM to support, is the extension of traditional radio, can be received by wired or be wirelessly connected to internet
Network station on auditory network, it may not be necessary to reuse the internet radio software on computer listen to, but this thing needs
Individually purchase, cost performance are relatively low.
On the other hand, existing radio is only suitable for playing audio bass, if to play full range file, less effective.
On the other hand, for existing radio when playing full range music, the result of broadcast of bass part is not ideal enough, it can be considered to
Make full use of radio and subwoofer to form combination sound box, both are combined, play bass part using subwoofer, utilize
Radio plays alt part.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of radio.
Technical scheme is used by the utility model solves its technical problem：Construct a kind of radio, including for
The power module of whole device power supply, radio module, core processing module, power amplifier playback module, for external bluetooth module or
The expansion interface of person's Wi-Fi module or 3G/4G modules, the power module respectively with the radio module, core processing mould
Block, power amplifier playback module, expand interface connection, the core processing module also respectively with the radio module, power amplifier playback mould
Block, interface connection is expanded, the expansion interface, radio module are also connected with power amplifier playback module.
Preferably, the expansion interface is female seat, either Wi-Fi module or 3G/4G modules have the bluetooth module
The male seat to match with the expansion interface.
Preferably, described expand the USB female seats that interface is respectively 12pin.
Preferably, the power amplifier playback module includes earphone power amplifier playback module and loudspeaker power amplifier playback module, it is described
Loudspeaker power amplifier playback module includes power discharging switch circuit, amplifier power supply circuit, power amplifier playback circuit, the power amplifier switch electricity
Road, amplifier power supply circuit, power amplifier playback circuit are sequentially connected.
Preferably, the core processing module includes MCU units and is respectively connected with the MCU units：Bluetooth mould
Block and audio D/A modular converter, the audio D/A modular converter, which is connected to, to be expanded between interface and power amplifier playback circuit.
Wherein, 1 pin of USB female seats, 6 pin grounding legs, 11 pin, 12 pin are 5V supply pins, and 1 pin, 6 pin, 11 pin, 12 pin connect
To power module；2 pin are the Jing Yin pin of POP sound, connect power amplifier playback module；3 pin are the enabled detection pin of external module, connect MCU
Unit；4 pin are mode detection pin, connect MCU units；5 pin are kernel audio output pin, connect power amplifier playback module；7 pin are number
Word tone frequency master clock pin, 8 pin are digital audio frames clock pins；9 pin are DAB bit clock pin, and 10 pin are DAB number
According to pin, 7 pin, 8 pin, 9 pin, 10 pin are connected to audio D/A modular converter.
Preferably, the bluetooth module includes Bluetooth chip and its peripheral circuit, bluetooth boot-strap circuit, storage chip, indigo plant
Tooth power circuit, the storage chip, bluetooth boot-strap circuit are connected with the Bluetooth chip respectively, and the bluetooth boot-strap circuit is also
It is connected respectively with the bluetooth power circuit, MCU units.
Wherein, the core processing module also includes what is be connected respectively with MCU units：FM frequency-selectings unit, LED light list
Member, functional status indicating member.
Implement radio of the present utility model, have the advantages that：Radio of the present utility model connects with expansion
Mouthful, it both can be with external Wi-Fi module or 3G/4G modules, again can be with external bluetooth module, as external Wi-Fi module or 3G/4G
During module, radio is widenable to internet radio；When external bluetooth module, radio can combine sounding with Baffle Box of Bluetooth,
In a word, the flexible cost of this radio configuration is low, Consumer's Experience lifting.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer：
Fig. 1 is the structured flowchart of preferred embodiment of the present utility model；
Fig. 2 is the structural representation for the interface being connected with each other between the interface board of preferred embodiment and mainboard；
Fig. 3 is the structural representation of the power module of preferred embodiment；
Fig. 4 is the structural representation of the radio module of preferred embodiment；
Fig. 5 is the structural representation of the expansion interface of preferred embodiment；
Fig. 6 is the structural representation of the functional status indicating member of preferred embodiment；
Fig. 7 is the structural representation of the earphone power amplifier playback module of preferred embodiment；
Fig. 8 is the circuit diagram of the MCU units of preferred embodiment；
Fig. 9 is the Bluetooth chip of preferred embodiment and its circuit diagram of peripheral circuit；
Figure 10 is the circuit diagram of the storage chip of preferred embodiment；
Figure 11 is the bluetooth boot-strap circuit circuit diagram of preferred embodiment；
Figure 12 is the circuit diagram of the bluetooth power circuit of preferred embodiment；
Figure 13 is the circuit diagram of the audio D/A modular converter of preferred embodiment；
Figure 14 is the circuit diagram of the FM frequency-selecting units of preferred embodiment；
Figure 15 is the circuit diagram of the LED light unit of preferred embodiment；
Figure 16 is the circuit diagram of the power discharging switch circuit of preferred embodiment；
Figure 17 is the circuit diagram of the amplifier power supply circuit of preferred embodiment；
Figure 18 is the circuit diagram of the power amplifier playback circuit of preferred embodiment.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Exemplary embodiments of the present utility model are given in accompanying drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open content more thorough and comprehensive.
It should be noted that word " connected " or " connection " or other similar terms, are not only included two realities
Body is joined directly together, and is also included by being indirectly connected with other entities beneficial to improvement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
With reference to figure 1, the total thinking of the utility model is：A kind of radio is designed, it includes being used to power to whole device
Power module, radio module, core processing module, power amplifier playback module, for external bluetooth module or Wi-Fi module or
The expansion interface of person's 3G/4G modules, the power module respectively with the radio module, core processing module, power amplifier playback mould
Block, interface connection is expanded, the core processing module also connects with the radio module, power amplifier playback module, expansion interface respectively
Connect, the expansion interface, radio module are also connected with power amplifier playback module.
Radio of the present utility model, which has, expands interface, and it both can be with external Wi-Fi module, again can be with external bluetooth mould
Block, when external Wi-Fi module, radio is widenable to internet radio；When external bluetooth module, radio can be with bluetooth
Loudspeaker box combination sounding, in a word, the flexible cost of this radio configuration are low, Consumer's Experience lifting.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this
Apply for the detailed description of technical scheme, rather than the restriction to technical scheme, in the case where not conflicting, this practicality
Technical characteristic in new embodiment and embodiment can be mutually combined.
In preferred embodiment, power amplifier playback module includes earphone power amplifier playback module and loudspeaker power amplifier playback module, institute
Stating core processing module includes MCU units and is respectively connected with the MCU units：Bluetooth module, audio D/A modulus of conversion
Block, FM frequency-selectings unit, LED light unit, functional status indicating member.
All circuits are arranged on two plates by the present embodiment, and one is interface board, and another is mainboard.Specifically,
Circuit shown in Fig. 2-Fig. 7 is arranged on interface board, and circuit is arranged on mainboard shown in Fig. 8-18.Of course, it should be understood that tool
The quantity of the circuit board of body is not limited to this, and circuit of the present utility model can be arranged on any number of circuit board, preferably
Embodiment is only a signal.Specifically, with reference to figure 2, in preferred embodiment, connected between interface board and mainboard by two docking ports
Connect, as interface con1 and con5 are the interfaces of mainboard side in figure, con3 and con4 are the interfaces of interface board side.Con1 and con3
Connection, is mainly responsible for audio signal input and output.Con4 is connected with con5, is mainly responsible for power supply, state control, LED companies
Connect the transmission of the related signal such as state.
The circuit docked below on oralia and mainboard is introduced respectively.
With reference to figure 3, power module is set and on interface board, it includes the battery interface of 7.4V batteries, a model IC_
TSSOP20_ANT2801 chip U4, LED7 that Charge Management is done to 7.4V batteries indicates for charged state, is charged as
Red, full of for green.Battery is also equipped with NTC detection protection circuits in the present embodiment, and NTC detects the detection voltage of protection circuit
Chip U4 is given to by interface BAT1 2 pin.With reference to figure 4, radio module set with interface board, an including reception FM frequency modulation
The model MKR2002 in radio station chip IC 2, its power supply are controlled by switching tube Q3.
With reference to figure 5-6, expand interface and functional status indicating member is also disposed on interface board.USB3 is represented in Fig. 5
Interface is expanded, it is 12pin USB female seats, and either Wi-Fi module or 3G/4G modules have external bluetooth module
With the USB3 12pin to match USB male seats.USB1 is a MICOR USB interface in Fig. 5, and external 5V power supplys are to electric in machine
Pond is charged, while also serves as the input of AUX external sound sources.106 represent functional status indicating member, functional status indicating member in Fig. 6
Including three kinds of indicator lamps, white is bluetooth, and green is radio reception, and orange is AUX.
Specifically, USB3 has 12 pins, 12 pins are specifically defined as：1 pin is grounding leg；2 pin are MUTE pin
(and reserved communication pin), for the Jing Yin POP impulsive sounds from external module；3 pin for transmit external Wi-Fi module or
The pin of the switching on and shutting down signal of 3G/4G modules or bluetooth module；4 pin are mode detection pin；5 pin are kernel audio output pin；6
Pin is ground wire connecting pin；7 pin are I2S DABs MCLK；8 pin are I2S DABs LRCLK；9 pin are I2S DABs
CLK；10 pin are I2S DABs DATA；11st, 12 pin are 5V power supplys.
Wherein, 4 pin are in low level, external Wi-Fi module when radio is in FM (frequency modulation) and BT (bluetooth) pattern
Or 3G/4G modules enter holding state.In the non-plug wire of the AUX interfaces of radio, 4 pin are high level, external Wi-Fi module or
3G/4G modules open work.When the insertion of AUX signal wires, then 4 pin are low level, and external Wi-Fi module or 3G/4G modules are also place
In holding state.I/O port can be connect in external Wi-Fi module or 3G/4G inside modules to the 4th pin to detect, in external bluetooth
This pin of inside modules does not detect.
With reference to figure 7, earphone power amplifier playback module is set and on interface board, it includes model XC6209 voltage stabilizing chip
IC3 and the drive circuit being made up of resistance R7, R8, R45, R46 and the switch chip IC1 of model 4866 etc..PH1 in figure
For earphone interface, while it is also FM frequency modulation external antenna interfaces.
With reference to figure 8, MCU units are arranged on mainboard, the model MC32P7311 specifically used in preferred embodiment core
Piece U5.With reference to figure 9-12, bluetooth module is arranged on mainboard.Bluetooth module includes Bluetooth chip and its peripheral circuit, bluetooth are opened
Electromechanical road 1021, storage chip, bluetooth power circuit 1022.As in Fig. 9-10, UZ1 is Bluetooth chip, and IC4 is storage chip.
In Figure 11, bluetooth boot-strap circuit 1021 includes model HM7550H voltage stabilizing chip IC3.
With reference to figure 13, audio D/A modular converter is arranged on mainboard, and it includes model IC-TSSOP10-CS4344's
DAC chip U1.LED light unit is represented with reference to figure 14-15,105 in Figure 15, for indicating that complete machine is in running order.
104 represent FM frequency-selecting units in Figure 14, and which employs a FM potentiometer.
With reference to figure 16-18, specifically, loudspeaker power amplifier playback module includes power discharging switch circuit 201, amplifier power supply circuit
202nd, power amplifier playback circuit 203, the power discharging switch circuit 201, amplifier power supply circuit 202, power amplifier playback circuit 203 connect successively
Connect.With reference to figure 16, power discharging switch circuit 201 includes switching tube Q11, Q12, and with reference to figure 17, amplifier power supply circuit 202 includes amplifier
JRC4558.With reference to figure 18, the two-stage drive that amplifier U6-A, U6-B in power amplifier playback circuit 203 is formed is amplified, the VR1 in figure
Mainly volume controls, and the U2 in figure is TK0338, and it is one and fixes the anti-distorsion AB classes D classes switching monophone of 24 times of gain band
Channel audio power amplifier, bluetooth work in D quasi-modes, and when cell voltage is less than 7.4V, power amplifier voltage can be stablized in 7.4V, from
And to obtain bigger power during low battery, FM works in AB quasi-modes, and AB classes need not boost, so that radio reception effect is more
It is good.
It is understood that the selection of component, chip and its model etc. in preferably implementing is only to illustrate this practicality newly
Type, the utility model is not meant to limit, other have the letter that the replacement of the component of similar functions etc. belongs to the present embodiment
Monotropic shape, in the case where not departing from thinking of the present utility model, these simple deformations are both fallen within the scope of protection of the utility model.
Operation principle of the present utility model is summarized as follows：12pin USB female seats provide the audio input output of radio
Passage.For example, if by the 12pin external Wi-Fi module of USB female seats or 3G/4G modules, radio is received widenable to network
Sound machine, digital audio and video signals are received via external Wi-Fi module or 3G/4G modules, the digital audio and video signals of reception pass through
12pin USB female seats are sent to audio D/A module processing, are played finally by power amplifier playback circuit.If for another example will
The 12pin external bluetooth module of USB female seats, radio can be with Baffle Box of Bluetooth or another external radio reception of bluetooth module
Machine combines sounding, such as the voice data of Baffle Box of Bluetooth is sent to the external bluetooth module of radio by bluetooth, is then led to again
12pin USB female seats input radio internal circuit is crossed, or, radio internal circuit is exported by 12pin USB female seats
Audio signal is sent to Baffle Box of Bluetooth to external bluetooth module, then by bluetooth module.
It should be noted that the algorithm being related to the codings of data, processing etc. being related in the course of work is all net
The general knowledge in network radio field, therefore the improvement that the utility model is not relying on to algorithm is realized.
In summary, implement radio of the present utility model, have the advantages that：Implement radio reception of the present utility model
Machine, have the advantages that：Radio of the present utility model, which has, expands interface, and it both can be with external Wi-Fi module or 3G/
4G modules, again can be with external bluetooth module, and when external Wi-Fi module or 3G/4G modules, radio is widenable to network sound receiving
Machine；When external bluetooth module, radio can combine sounding with Baffle Box of Bluetooth, and in a word, the flexible cost of this radio configuration is low, uses
Family experience lifting.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection of the present utility model.
Claims (9)
1. a kind of radio, it is characterised in that at the power module for being powered to whole device, radio module, core
Manage module, power amplifier playback module, for the external bluetooth module either expansion interface of Wi-Fi module or 3G/4G modules, it is described
Power module is connected with the radio module, core processing module, power amplifier playback module, expansion interface respectively, at the core
Reason module is also connected with the radio module, power amplifier playback module, expansion interface respectively, and the expansion interface, radio module are also
It is connected with power amplifier playback module.
2. radio according to claim 1, it is characterised in that the expansion interface is female seat, the bluetooth module or
Person's Wi-Fi module or 3G/4G modules have the male seat to match with the expansion interface.
3. radio according to claim 2, it is characterised in that described to expand the USB female seats that interface is respectively 12pin.
4. radio according to claim 3, it is characterised in that the core processing module includes MCU units, bluetooth mould
Block and audio D/A modular converter；
Wherein, 1 pin of USB female seats, 6 pin are grounding leg, and 11 pin, 12 pin are 5V supply pins, and 1 pin, 6 pin, 11 pin, 12 pin are connected to
Power module；2 pin are the Jing Yin pin of POP sound, connect power amplifier playback module；3 pin are the enabled detection pin of external module, and connection MCU is mono-
Member；4 pin are mode detection pin, connect MCU units；5 pin are kernel audio output pin, connect power amplifier playback module；7 pin are numeral
Audio master clock pin, 8 pin are digital audio frames clock pins；9 pin are DAB bit clock pin, and 10 pin are digital audio-frequency data
Pin, 7 pin, 8 pin, 9 pin, 10 pin are connected to audio D/A modular converter.
5. radio according to claim 1, it is characterised in that the power amplifier playback module includes earphone power amplifier playback mould
Block and loudspeaker power amplifier playback module.
6. radio according to claim 5, it is characterised in that the loudspeaker power amplifier playback module is opened including power amplifier
Powered-down road, amplifier power supply circuit, power amplifier playback circuit, the power discharging switch circuit, amplifier power supply circuit, power amplifier playback circuit according to
Secondary connection.
7. radio according to claim 6, it is characterised in that the core processing module includes MCU units and divided
It is not connected with the MCU units：Bluetooth module and audio D/A modular converter, the audio D/A modular converter, which is connected to, to be opened up
Open up between interface and power amplifier playback circuit (203).
8. radio according to claim 7, it is characterised in that the bluetooth module includes Bluetooth chip and its periphery electricity
Road, bluetooth boot-strap circuit (1021), storage chip, bluetooth power circuit (1022), the storage chip, bluetooth boot-strap circuit
(1021) be connected respectively with the Bluetooth chip, the bluetooth boot-strap circuit (1021) also with the bluetooth power circuit
(1022), MCU units connect respectively.
9. radio according to claim 8, it is characterised in that the core processing module also includes mono- with MCU respectively
Member connection：FM frequency-selectings unit (104), LED light unit (105), functional status indicating member (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669467.4U CN206948298U (en) | 2017-06-09 | 2017-06-09 | A kind of radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669467.4U CN206948298U (en) | 2017-06-09 | 2017-06-09 | A kind of radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948298U true CN206948298U (en) | 2018-01-30 |
Family
ID=61363813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720669467.4U Active CN206948298U (en) | 2017-06-09 | 2017-06-09 | A kind of radio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848467A (en) * | 2018-06-01 | 2018-11-20 | 镇江乾坤传媒科技有限公司 | One kind is based on digital medium wave channel viewdata movable type receiver terminal device |
-
2017
- 2017-06-09 CN CN201720669467.4U patent/CN206948298U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848467A (en) * | 2018-06-01 | 2018-11-20 | 镇江乾坤传媒科技有限公司 | One kind is based on digital medium wave channel viewdata movable type receiver terminal device |
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