CN206585736U

CN206585736U - Intelligent radio charging audio amplifier

Info

Publication number: CN206585736U
Application number: CN201720278851.1U
Authority: CN
Inventors: 聂众阳
Original assignee: Henan Jia Sound Electronics Co Ltd
Current assignee: Henan Jia Sound Electronics Co Ltd
Priority date: 2017-03-21
Filing date: 2017-03-21
Publication date: 2017-10-24
Anticipated expiration: 2027-03-21

Abstract

The utility model discloses a kind of intelligent radio charging audio amplifier；Including speaker body and charge coil；Speaker body inner top surface is provided with U-shaped cradle, and charge coil is stuck in U-shaped cradle；Rechargeable battery, main control board and loudspeaker are provided with speaker body；Main control board is provided with MCU master controllers, data storage, audio frequency processing circuit and power amplifier；Rechargeable battery, data storage and audio frequency processing circuit are connected with MCU master controllers respectively；Power amplifier is connected between audio frequency processing circuit and loudspeaker；Charge coil is connected with rechargeable battery and MCU master controllers respectively.Effect：The utility model carries charge coil, can be used to the battery charging in the smart machines such as smart mobile phone so that eliminate the trouble for providing portable power source for oneself, and then, the utility model is integrally multi-purpose, and full-featured, practical, using effect is good.

Description

Intelligent radio charging audio amplifier

Technical field

The utility model is related to technical field of electronic products, specifically, is related to a kind of intelligent radio charging audio amplifier.

Background technology

Audio is converted into acoustic energy by audio amplifier, as its name suggests, one kind, and it is radiated the playback equipment gone in space.

For existing audio amplifier, a kind of is audio amplifier without power supply storage equipment itself, and it must operationally connect electricity Source could work；Another is the audio amplifier per se with power supply storage equipment, can directly be used in the audio amplifier when institute's subfam. Spiraeoideae that works The electricity in power supply storage equipment is stored in, treats that electricity is refilled after being finished.

But both the above audio amplifier can not charge directly to third party's electrical appliance (such as mobile phone), want to charge the phone, people Charging wire between a power supply storage facilities in extra band and connection mobile phone and power supply storage facilities is wanted toward contact.But, If people not only want to listen beautiful music to releive mood but also want to fill to mobile phone during daily life, work or travelling When electric, that must just bring all both the above equipment, and this can not only allow people preferably to enjoy life, and add people's on the contrary Burden and pressure！

Also, existing small intelligent audio amplifier, it generally comprises protecgulum and rear shell, the stationarity between its protecgulum and rear shell Nor very well, when it falls to the ground such as ground, easily breaking into pieces so that service life is short.

Meanwhile, it does not possess the function of carrying music typically yet so that be not easy to continue when user's smart mobile phone does not have electricity Play music.

Thereby, existing audio amplifier has much room for improvement.

Utility model content

A kind of intelligent radio charging sound that the purpose of this utility model is the deficiency for overcoming above-mentioned prior art and provided Case.

The utility model solves the technical scheme that is used of prior art problem：A kind of intelligent radio charging audio amplifier, bag Include speaker body and the charge coil to carry out wireless charging to external smart machine；

Wherein, the inner top surface of the speaker body is installed with a U-shaped cradle, the insied width of the U-shaped cradle and institute The external diameter for stating charge coil is adapted, and the inner height of the U-shaped cradle is adapted with the thickness of the charge coil；It is described to fill Electric coil is placed in the U-shaped cradle, so as to be offseted patch with the inner top surface of the speaker body；

Rechargeable battery, main control board and loudspeaker are provided with the speaker body；Set on the main control board It is equipped with MCU master controllers, data storage, audio frequency processing circuit and power amplifier；The rechargeable battery, data storage and The audio frequency processing circuit is connected with the MCU master controllers respectively；The power amplifier is connected to the audio frequency processing circuit Between the loudspeaker；The charge coil is connected with the rechargeable battery and the MCU master controllers respectively.

Above technical scheme is further elaborated below：

Preferably, the speaker body includes public address hood, protecgulum and rear shell；

Wherein, the rear shell is square body shape structure, and the front end of the rear shell of square body shape structure is formed as open；Institute State protecgulum and be covered on the opening, the middle part of the protecgulum offers an installing port from its front end face to end face thereafter, described to raise Sound device is fixedly arranged on the installing port；The front end face of the protecgulum, which caves inward, is formed with a groove, and the public address hood is arranged in institute State in groove, so as to the fixed loudspeaker in the installing port place is covered, and the public address hood front end face to end face thereafter Uniformly offer multiple holes that amplify；

The inner top surface of the rear shell is installed with the U-shaped cradle along the longitudinal direction.

Preferably, the outer edge of the rear end face of the protecgulum, which extends back, is surrounded with a circle flange；The rear shell The open outer that front end is formed, which caves inward, is formed with a circle groove；The flange is arranged in the groove, so that institute Protecgulum is stated to be fixed as one with the rear shell phase.

Preferably, the middle part of the interior rear end face of the rear shell is provided with a storage tank along the longitudinal direction, the rear shell it is interior The bottom of rear end face is symmetrically arranged with two necks along the longitudinal direction；The rechargeable battery is placed in the storage tank, institute The both sides correspondence for stating main control board is placed in described in two in neck.

Preferably, TF cards interface, USB charging inlets and receiver J-Horner are additionally provided with the main control board；

Wherein, the TF cards interface, USB charging inlets and the receiver J-Horner respectively with the MCU master controllers phase Even；The middle and lower part of the outer rear end face of the rear shell offers a TF cards spliced eye, USB charging holes and an earphone jack；It is described TF card interfaces are revealed in the TF cards spliced eye, and the USB charging inlets are revealed in the USB chargings hole, and the earphone is inserted Mouth is revealed in the earphone jack.

Preferably, be additionally provided with the main control board bluetooth module, charge protector, battery voltage detection circuit and Regulating circuit；

Wherein, the bluetooth module is connected with the MCU master controllers；The charge protector is connected to the USB Between charging inlet and the rechargeable battery, and the charge protector is additionally coupled to the MCU master controllers；The electricity Cell voltage detection circuit is connected between the rechargeable battery and the MCU master controllers；The regulating circuit is connected to institute State between rechargeable battery and the charge coil, and the regulating circuit is additionally coupled to the MCU master controllers.

Preferably, it also includes four fastening bolts；

Wherein, the inside corner of the rear shell of square body shape structure is installed with a hollow structure respectively along the longitudinal direction Fixed column, it is described hollow with relevant position that the corner of the outer rear end face of the rear shell of square body shape structure offers one respectively The fixing hole that the fixed column of structure connects；The corner of the rear end face of the protecgulum is installed with one and corresponding respectively along the longitudinal direction The relative screwed hole in the fixed column position of the hollow structure of position；

Four fastening bolts are through to the fixed column relative with its position by four fixing holes respectively And in the screwed hole, so that the rear shell is mutually fixed as one with the protecgulum.

Preferably, it also includes four sealing-plugs；

Wherein, four sealing-plugs correspondence plugs are as in four fixing holes, so that by four fastening bolts Sealing is covered.

Preferably, it also includes four magnetic blocks；

Wherein, four magnetic force anchor points, four institutes are symmetrically arranged with around the charge coil in the U-shaped cradle Magnetic block correspondence is stated to be fixedly arranged at four magnetic force anchor points；

When external smart machine to be placed in the outer top surface of the rear shell, external smart machine passes through four magnetic Block absorption is fixed.

Preferably, the public address hood, protecgulum and the rear shell are hard plastic material.

The beneficial effects of the utility model are：

One, a kind of intelligent radio provided by the utility model charging audio amplifier, in the specific implementation, on the one hand, can To play while music in the smart machines such as user's smart mobile phone, it also carries wireless to be carried out to external smart machine The charge coil of charging, the inner top surface of the charge coil and the speaker body offsets patch, when smart mobile phone by user etc. When smart machine is placed in the outer top surface of the speaker body, pass through the control of the MCU master controllers, you can so that described fill The induction coil that electric coil produces inside electromagnetic signal, the smart machine such as related smart mobile phone is that can sense related electromagnetic signal And then electric signal is converted into the battery charging in the smart machines such as smart mobile phone, consequently, it is possible to cause related smart mobile phone Charge convenient Deng smart machine, can be used in charging so that eliminate and provide portable power source for oneself and separately entered using portable power source The trouble of row charging, also causes user to eliminate purchase portable power source so that cost-effective, reduction space-consuming and mitigation user The burden of portable power source is carried with, on the other hand, the utility model is carried can be pre- in data storage, respective data storage device Deposit music so that the utility model can play the music itself stored, and then, the utility model is integrally multi-purpose, full-featured, Practical, using effect is good.

Secondly, in the technical program, on the one hand, be placed between the protecgulum and the rear shell using flange in groove Mode be mutually fixed as one so that overall brief, attractive in appearance, on the other hand, the utility model carries TF card interfaces so that can Be easy to grafting TF cards and to play the music stored in related TF cards so that practicality is stronger, on the other hand, and this practicality is newly Type carries bluetooth module so that can with the smart machine wireless connection such as user's smart mobile phone and play the intelligence such as user's smart mobile phone Music in equipment, and the utility model also carries battery voltage detection circuit, the electricity of the rechargeable battery passes through described After the detection of battery voltage detection circuit, then by the processing of the MCU master controllers, and pass through the bluetooth module and phase Close the smart machine such as user's smart mobile phone and set up bluetooth connection, you can by the battery voltage detection circuit detected described in can The electricity of rechargeable battery is shown by the display screen of the smart machines such as associated user's smart mobile phone so that user passes through corresponding Display screen can rechargeable battery described in real time inspection electricity, and then, using effect of the present utility model can effectively improve.

Thirdly, in the present embodiment, on the one hand, the utility model also includes four fastening bolts, four fastening spiral shells Bolt is through in the fixed column relative with its position and the screwed hole by four fixing holes respectively, so that described Shell is mutually fixed as one with the protecgulum afterwards, in this way, causing between the rear shell and the protecgulum by secondary fixation so that Gu Determining effect can obtain significantly strong so that be difficult to break into pieces so that service life of the present utility model can be greatly enhanced, another Aspect, when the smart machines such as user's smart mobile phone to be placed in the outer top surface of the rear shell, user's smart mobile phone etc. is intelligently set It is standby to be fixed by four magnetic block absorption so as to be difficult touched and drop, and then, using effect energy of the present utility model Reach optimal.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the utility model intelligent radio charging audio amplifier；

Fig. 2 is the front view of the utility model intelligent radio charging audio amplifier；

Fig. 3 is that external smart machine is placed on the utility model intelligent radio charging audio amplifier to carry out making for wireless charging Use state diagram；

Fig. 4 is the exploded view one of the utility model intelligent radio charging audio amplifier；

Fig. 5 is the exploded view two of the utility model intelligent radio charging audio amplifier；

Fig. 6 is the internal circuit frame principle figure of the utility model intelligent radio charging audio amplifier；

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Drawing reference numeral：

Intelligent radio charging audio amplifier 1000；

Speaker body 10；

Public address hood 101；Amplify hole 1011；Protecgulum 102；Installing port 1021；Groove 1022；Flange 1023；Screwed hole 1024； Shell 103 afterwards；Groove 1031；Storage tank 1032；Neck 1033；TF cards spliced eye 1034；USB chargings hole 1035；Earphone jack 1036；Fixed column 1037；Fixing hole 1038；

Charge coil 20；

U-shaped cradle 30；

Rechargeable battery 40；

Main control board 50；

MCU master controllers 501；Data storage 502；Audio frequency processing circuit 503；Power amplifier 504；TF card interfaces 505；USB charging inlets 506；Receiver J-Horner 507；Bluetooth module 508；Charge protector 509；Battery voltage detection circuit 510；Regulating circuit 511；

Loudspeaker 60；

Sealing-plug 70；

External smart machine 2000.

Embodiment

The technical solution of the utility model is described in detail below with reference to drawings and the specific embodiments, to become apparent from, directly See ground and understand invention essence of the present utility model.

With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6；

A kind of intelligent radio charging audio amplifier 1000 provided by the utility model, including speaker body 10 and to external Smart machine 2000 carries out the charge coil 20 of wireless charging；

Wherein, the inner top surface of the speaker body 10 is installed with a U-shaped cradle 30, the inner width of the U-shaped cradle 30 Degree is adapted with the external diameter of the charge coil 20, the inner height of the U-shaped cradle 30 and the thickness of the charge coil 20 It is adapted；The charge coil 20 is placed in the U-shaped cradle 30, so as to be offseted with the inner top surface of the speaker body 10 Patch；

Rechargeable battery 40, main control board 50 and loudspeaker 60 are provided with the speaker body 10；The master control electricity MCU master controllers 501, data storage 502, audio frequency processing circuit 503 and power amplifier 504 are provided with road plate 50；It is described Rechargeable battery 40, data storage 502 and the audio frequency processing circuit 503 are connected with the MCU master controllers 501 respectively； The power amplifier 504 is connected between the audio frequency processing circuit 503 and the loudspeaker 60；The charge coil 20 is distinguished It is connected with the rechargeable battery 40 and the MCU master controllers 501.

Based on described above, it is clear that, a kind of intelligent radio charging audio amplifier 1000 provided by the utility model, In the specific implementation, on the one hand, while can be used to play music in the smart machines such as user's smart mobile phone, it also carries use To carry out the charge coil 20 of wireless charging, the charge coil 20 and the speaker body 10 to external smart machine 2000 Inner top surface offsets patch, when the smart machines such as the smart mobile phone of user to be placed in the outer top surface of the speaker body 10, passes through The control of the MCU master controllers 501, you can so that the charge coil 20 produces electromagnetic signal, the intelligence such as related smart mobile phone The induction coil of energy device interior is that can sense related electromagnetic signal and then be converted into electric signal intelligently to set to smart mobile phone etc. Standby interior battery charges, consequently, it is possible to make it that the smart machine charging such as related smart mobile phone is convenient, can be used in charging, So that eliminating the trouble provided portable power source for oneself and separately charged using portable power source, user is also caused to eliminate purchase and move Dynamic power supply so that cost-effective, reduction space-consuming and mitigation user carry with the burden of portable power source.

On the other hand, the utility model carries the music that can be prestored in data storage 502, respective data storage device 502, makes Obtain the utility model and can play the music itself stored.

And then, the utility model is integrally multi-purpose, and full-featured, practical, using effect is good.

It is emphasized that in the technical program, the speaker body 10 includes public address hood 101, protecgulum 102 and rear shell 103；

Wherein, the rear shell 103 is square body shape structure, and the front end of the rear shell 103 of square body shape structure is formed as It is open；The protecgulum 102 is covered on the opening, and the middle part of the protecgulum 102 offers one from its front end face to end face thereafter Installing port 1021, the loudspeaker 60 is fixedly arranged on the installing port 1021；The front end face of the protecgulum 102, which caves inward, to be formed with One groove 1022, the public address hood 101 is arranged in the groove 1022, so as to raise the place of installing port 1021 is fixed Sound device 60 is covered, and front end face to the end face thereafter of the public address hood 101 uniformly offers multiple holes 1011 that amplify；

The inner top surface of the rear shell 103 is installed with the U-shaped cradle 30 along the longitudinal direction.

When it is implemented, the outer edge of the rear end face of the protecgulum 102, which extends back, is surrounded with a circle flange 1023； The open outer that the front end of the rear shell 103 is formed, which caves inward, is formed with a circle groove 1031；The flange 1023 blocks In the groove 1031, so that the protecgulum 102 is mutually fixed as one with the rear shell 103.

In this way, because the rear shell 103 is square body shape structure, flange is utilized between the protecgulum 102 and the rear shell 103 1023 modes being placed in groove 1031 are mutually fixed as one so that the utility model is integrally brief, attractive in appearance.

Also, in the present embodiment, the middle part of the interior rear end face of the rear shell 103 is provided with a storage tank along the longitudinal direction 1032, the bottom of the interior rear end face of the rear shell 103 is symmetrically arranged with two necks 1033 along the longitudinal direction；The chargeable electricity Pond 40 is placed in the storage tank 1032, and the both sides correspondence of the main control board 50 is placed in described in two in neck 1033.

In this way, realizing that the installation of the rechargeable battery 40 and the main control board 50 is fixed so that be difficult to release.

It is preferred that, in the technical program, TF cards interface 505, USB chargings are additionally provided with the main control board 50 Mouth 506 and receiver J-Horner 507；

Wherein, the TF cards interface 505, USB charging inlets 506 and the receiver J-Horner 507 respectively with the MCU master Controller 501 is connected；The middle and lower part of the outer rear end face of the rear shell 103 offers a TF cards spliced eye 1034, USB chargings hole 1035 and an earphone jack 1036；The TF cards interface 505 is revealed in the TF cards spliced eye 1034, the USB chargings Mouth 506 is revealed in the USB chargings hole 1035, and the receiver J-Horner 507 is revealed in the earphone jack 1036.

Also, bluetooth module 508, charge protector 509, battery voltage detection are additionally provided with the main control board 50 Circuit 510 and regulating circuit 511；

Wherein, the bluetooth module 508 is connected with the MCU master controllers 501；The charge protector 509 is connected Between the USB charging inlets 506 and the rechargeable battery 40, and the charge protector 509 be additionally coupled to it is described MCU master controllers 501；The battery voltage detection circuit 510 is connected to the rechargeable battery 40 and the MCU master controllers Between 501；The regulating circuit 511 is connected between the rechargeable battery 40 and the charge coil 20, and the pressure regulation Circuit 511 is additionally coupled to the MCU master controllers 501.

So, on the one hand, the utility model carries TF cards interface 505 so that grafting TF cards can be easy to and to play The music stored in related TF cards so that practicality is stronger.

On the other hand, the utility model carries bluetooth module 508 so that can be wireless with the smart machine such as user's smart mobile phone Connect and play the music in the smart machines such as user's smart mobile phone, and the utility model also carries battery voltage detection circuit 510, after the detection of the electricity of the rechargeable battery 40 by the battery voltage detection circuit 510, then pass through the MCU The processing of master controller 501, and bluetooth company is set up by smart machines such as the bluetooth module 508 and associated user's smart mobile phones Connect, you can the electricity for the rechargeable battery 40 for being detected the battery voltage detection circuit 510 passes through associated user's intelligence The display screen of the smart machines such as energy mobile phone is shown so that user can chargeable electricity described in real time inspection by corresponding display screen The electricity in pond 40.

And then, using effect of the present utility model can effectively improve.

Preferably, in the present embodiment, the utility model also includes four fastening bolts (not shown)；

Wherein, the inside corner of the rear shell 103 of square body shape structure is installed with a hollow knot respectively along the longitudinal direction The fixed column 1037 of structure, the corner of the outer rear end face of the rear shell 103 of square body shape structure offers one and corresponding positions respectively The fixing hole 1038 that the fixed column 1037 for the hollow structure put connects；The corner of the rear end face of the protecgulum 102 is along preceding Rear to being installed with a screwed hole 1024 relative with the position of fixed column 1037 of the hollow structure of relevant position respectively；

Four fastening bolts (not shown) are through to relative with its position by four fixing holes 1038 respectively The fixed column 1037 and the screwed hole 1024 in so that the rear shell 103 is mutually fixed as one with the protecgulum 102.

In this way, causing between the rear shell 103 and the protecgulum 102 by secondary fixation so that fixed effect can be obtained It is significantly strong so as to be difficult to break into pieces so that service life of the present utility model can be greatly enhanced,

It is preferred that, in the specific implementation, the utility model also includes four sealing-plugs 70；

Wherein, four correspondence of sealing-plug 70 plugs are as in four fixing holes 1038, so that described tight by four Fixing bolt sealing (not shown) is covered.

In this way, causing the utility model to seem the fasteners such as non-bolt on the whole so that good integrity, entirety is more preferably Air attractive in appearance.

Preferably, in the technical program, the utility model also includes four magnetic blocks (not shown)；

Wherein, four magnetic force anchor points, four are symmetrically arranged with around the charge coil 20 in the U-shaped cradle 30 Individual magnetic block correspondence (not shown) is fixedly arranged at four magnetic force anchor points；

When external smart machine 2000 to be placed in the outer top surface of the rear shell 103, external smart machine 2000 passes through Four magnetic block absorption (not shown) are fixed.

In this way, when the smart machines such as user's smart mobile phone to be placed in the outer top surface of the rear shell 103, user's intelligence hand The smart machines such as machine are fixed by four magnetic block absorption (not shown) so that be difficult touched and dropped.

And then, using effect of the present utility model can reach most preferably.

You need to add is that, in the specific implementation, the public address hood 101, protecgulum 102 and the rear shell 103 are hard Plastic cement material.

Other embodiment etc., is illustrated one by one here, not doing.

In summary, a kind of intelligent radio charging audio amplifier 1000 provided by the utility model, in the specific implementation, a side Face, while can be used to play music in the smart machines such as user's smart mobile phone, it is also carried to external smart machine 2000 carry out the charge coil 20 of wireless chargings, and the inner top surface of the charge coil 20 and the speaker body 10 offsets patch, when When the smart machines such as the smart mobile phone by user are placed in the outer top surface of the speaker body 10, pass through the MCU master controllers 501 control, you can so that the charge coil 20 produces the sensing inside electromagnetic signal, the smart machine such as related smart mobile phone Coil is that can sense related electromagnetic signal and then be converted into electric signal to charge to the battery in the smart machines such as smart mobile phone, such as This one, that is, make it that the charging of the smart machines such as related smart mobile phone is convenient, can be used in charging so that eliminate and provide movement for oneself Power supply and the trouble separately charged using portable power source, also cause user to eliminate purchase portable power source so as to save into Originally, reduce space-consuming and mitigate the burden that user carries with portable power source, on the other hand, the utility model carries data and deposited Can prestore music in reservoir 502, respective data storage device 502 so that the utility model can play the music itself stored, enter And, the utility model is integrally multi-purpose, and full-featured, practical, using effect is good.

In addition, in the technical program, on the one hand, blocked between the protecgulum 102 and the rear shell 103 using flange 1023 The mode being placed in groove 1031 is mutually fixed as one so that overall brief, attractive in appearance, on the other hand, the utility model carries TF Card interface 505 so that can be easy to grafting TF cards and to play the music stored in related TF cards so that practicality is more By force, on the other hand, the utility model carries bluetooth module 508 so that can be with the smart machine wireless connection such as user's smart mobile phone And the music in the smart machines such as user's smart mobile phone is played, and the utility model also carries battery voltage detection circuit 510, institute After stating detection of the electricity of rechargeable battery 40 by the battery voltage detection circuit 510, then pass through the MCU main controls The processing of device 501, and bluetooth connection is set up by smart machines such as the bluetooth module 508 and associated user's smart mobile phones, i.e., The electricity for the rechargeable battery 40 that the battery voltage detection circuit 510 can be detected passes through associated user's smart mobile phone Display screen Deng smart machine is shown so that user can rechargeable battery 40 described in real time inspection by corresponding display screen Electricity, and then, using effect of the present utility model can effectively improve.

Again, in the present embodiment, on the one hand, the utility model also includes four fastening bolts, four fastening spiral shells Bolt is through to the fixed column 1037 relative with its position and the screwed hole by four fixing holes 1038 respectively In 1024 so that the rear shell 103 is mutually fixed as one with the protecgulum 102, in this way, cause the rear shell 103 with it is described By secondary fixation between protecgulum 102 so that fixed effect can obtain significantly strong so that be difficult to break into pieces so that the utility model Service life can be greatly enhanced, on the other hand, the shell 103 after the smart machines such as user's smart mobile phone are placed in into described Outer top surface when, the smart machine such as user's smart mobile phone, which passes through four magnetic blocks absorption, to be fixed so that be difficult it is touched and Drop, and then, using effect of the present utility model can reach most preferably.

Accordingly, overall structure of the present utility model is simple, easily implements, easy to operate, practical, and specificity is strong, in knot In the improvement of structure and the improvement of technology, it need not increase too many cost so that the utility model necessarily has good city Field promotional value, the utility model can be very welcome, can effectively be popularized.

Preferred embodiment of the present utility model is the foregoing is only, patent protection model of the present utility model is not thereby limited Enclose, equivalent structure or the conversion of equivalent process that every utilization the utility model specification and accompanying drawing content are made, or directly or Other related technical fields are used in indirectly, are similarly included in scope of patent protection of the present utility model.

Claims

The audio amplifier 1. a kind of intelligent radio charges, it is characterised in that：It includes speaker body and to be carried out to external smart machine The charge coil of wireless charging；

Wherein, the inner top surface of the speaker body is installed with a U-shaped cradle, and the insied width of the U-shaped cradle fills with described The external diameter of electric coil is adapted, and the inner height of the U-shaped cradle is adapted with the thickness of the charge coil；The charging wire Circle is placed in the U-shaped cradle, so as to be offseted patch with the inner top surface of the speaker body；

Rechargeable battery, main control board and loudspeaker are provided with the speaker body；It is provided with the main control board MCU master controllers, data storage, audio frequency processing circuit and power amplifier；The rechargeable battery, data storage and described Audio frequency processing circuit is connected with the MCU master controllers respectively；The power amplifier is connected to the audio frequency processing circuit and institute State between loudspeaker；The charge coil is connected with the rechargeable battery and the MCU master controllers respectively.
The audio amplifier 2. intelligent radio according to claim 1 charges, it is characterised in that：The speaker body include public address hood, Protecgulum and rear shell；

Wherein, the rear shell is square body shape structure, and the front end of the rear shell of square body shape structure is formed as open；Before described The opening is covered on, the middle part of the protecgulum offers an installing port, the loudspeaker from its front end face to end face thereafter It is fixedly arranged on the installing port；The front end face of the protecgulum, which caves inward, is formed with a groove, and the public address hood is arranged in described recessed In groove, so as to the fixed loudspeaker in the installing port place is covered, and the front end face of the public address hood is uniform to end face thereafter Offer multiple holes that amplify；

The inner top surface of the rear shell is installed with the U-shaped cradle along the longitudinal direction.
The audio amplifier 3. intelligent radio according to claim 2 charges, it is characterised in that：The outer edge of the rear end face of the protecgulum Extend back and be surrounded with a circle flange；The open outer that the front end of the rear shell is formed, which caves inward, is formed with a circle Groove；The flange is arranged in the groove, so that the protecgulum is fixed as one with the rear shell phase.
The audio amplifier 4. intelligent radio according to claim 3 charges, it is characterised in that：The middle part of the interior rear end face of the rear shell A storage tank is provided with along the longitudinal direction, and the bottom of the interior rear end face of the rear shell is symmetrically arranged with two cards along the longitudinal direction Groove；The rechargeable battery is placed in the storage tank, and the both sides correspondence of the main control board is placed in neck described in two It is interior.
The audio amplifier 5. intelligent radio according to claim 4 charges, it is characterised in that：TF is additionally provided with the main control board Card interface, USB charging inlets and receiver J-Horner；

Wherein, the TF cards interface, USB charging inlets and the receiver J-Horner are connected with the MCU master controllers respectively；Institute The middle and lower part for stating the outer rear end face of rear shell offers a TF cards spliced eye, USB charging holes and an earphone jack；The TF cards are inserted Interface is revealed in the TF cards spliced eye, and the USB charging inlets are revealed in the USB chargings hole, and the receiver J-Horner appears In the earphone jack.
The audio amplifier 6. intelligent radio according to claim 5 charges, it is characterised in that：Indigo plant is additionally provided with the main control board Tooth module, charge protector, battery voltage detection circuit and regulating circuit；

Wherein, the bluetooth module is connected with the MCU master controllers；The charge protector is connected to the USB chargings Between interface and the rechargeable battery, and the charge protector is additionally coupled to the MCU master controllers；The battery electricity Pressure detection circuit is connected between the rechargeable battery and the MCU master controllers；The regulating circuit be connected to it is described can Between rechargeable battery and the charge coil, and the regulating circuit is additionally coupled to the MCU master controllers.
7. the intelligent radio charging audio amplifier according to claim any one of 2-6, it is characterised in that：It also includes four fastenings Bolt；

Wherein, the inside corner of the rear shell of square body shape structure is installed with the fixation of a hollow structure respectively along the longitudinal direction Post, the corner of the outer rear end face of the rear shell of square body shape structure offers the hollow structure of one and relevant position respectively The fixing hole that connects of fixed column；The corner of the rear end face of the protecgulum is installed with one and relevant position respectively along the longitudinal direction The hollow structure the relative screwed hole in fixed column position；

Four fastening bolts are through to the fixed column relative with its position and institute by four fixing holes respectively State in screwed hole, so that the rear shell is mutually fixed as one with the protecgulum.
The audio amplifier 8. intelligent radio according to claim 7 charges, it is characterised in that：It also includes four sealing-plugs；

Wherein, four sealing-plug correspondence plugs are as in four fixing holes, so as to which four fastening bolts are sealed Cover.
The audio amplifier 9. intelligent radio according to claim 8 charges, it is characterised in that：It also includes four magnetic blocks；

Wherein, four magnetic force anchor points, four magnetic are symmetrically arranged with around the charge coil in the U-shaped cradle Suction block correspondence is fixedly arranged at four magnetic force anchor points；

When external smart machine to be placed in the outer top surface of the rear shell, external smart machine is inhaled by four magnetic blocks Attached fixation.
The audio amplifier 10. intelligent radio according to claim 9 charges, it is characterised in that：The public address hood, protecgulum and it is described after Shell is hard plastic material.