CN204131672U - Multifunctional ball-shaped audio amplifier - Google Patents

Multifunctional ball-shaped audio amplifier Download PDF

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Publication number
CN204131672U
CN204131672U CN201420597170.8U CN201420597170U CN204131672U CN 204131672 U CN204131672 U CN 204131672U CN 201420597170 U CN201420597170 U CN 201420597170U CN 204131672 U CN204131672 U CN 204131672U
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CN
China
Prior art keywords
electric capacity
resistance
control chip
audio amplifier
lithium battery
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
Application number
CN201420597170.8U
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Chinese (zh)
Inventor
吴福胜
肖朝亮
刘国强
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Shenzhen Xinglianda Technology Co ltd
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Shenzhen Xinglianda Technology Co ltd
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Priority to CN201420597170.8U priority Critical patent/CN204131672U/en
Application granted granted Critical
Publication of CN204131672U publication Critical patent/CN204131672U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of multifunctional ball-shaped audio amplifier, comprise: the hemispheric drain pan of engaging mutually and face-piece, loud speaker is equipped with successively between described hemisphere drain pan and face-piece, center, control circuit board and lithium battery, described control circuit board is fixed in described center, described loud speaker is electrically connected on described control circuit board, dismountable face shield is provided with outside described face-piece, described drain pan is also provided with headset plug, described control circuit board is provided with FM antenna, charge-discharge circuit and power amplifier, described lithium battery is connected to charge-discharge circuit, described FM antenna, charge-discharge circuit and power amplifier are all electrically connected on headset plug.The utility model charges to internal cell by adopting headset plug, achieve little speaker products under specific occasion uses without the need to external power supply simultaneously voice emplifying, and its apparent volume is little, can carry with use.

Description

Multifunctional ball-shaped audio amplifier
Technical field
The utility model relates to electronics technology for loudspeaker box field, especially relates to a kind of multifunctional ball-shaped audio amplifier.
Background technology
Along with the development of wireless communication technique, there is varied electronic product, greatly facilitated daily life and work, such as portable power source, audio amplifier etc.And portable power source is also a kind of portable charging device, it can charge to most of electronic equipment easily, improves the continuation of the journey ability to work of electronic equipment.
At present, existing FM antenna, portable power source, audio amplifier are normally single independently products, even if there is the product of a small amount of integrated functionality, also there is its apparent volume large, should not carry with, thus limit this product scope of application.
Utility model content
The purpose of this utility model is to provide a kind of multifunctional ball-shaped audio amplifier, its can realize little speaker products under specific occasion uses without the need to external power supply simultaneously voice emplifying, and apparent volume is little, can carry with use.
For realizing above-mentioned utility model object, the utility model adopts following technical scheme:
A kind of multifunctional ball-shaped audio amplifier, comprise: the hemispheric drain pan of engaging mutually and face-piece, loud speaker is equipped with successively between described hemisphere drain pan and face-piece, center, control circuit board and lithium battery, described control circuit board is fixed in described center, described loud speaker is electrically connected on described control circuit board, dismountable face shield is provided with outside described face-piece, described drain pan is also provided with headset plug, described control circuit board is provided with FM antenna, charge-discharge circuit and power amplifier, described lithium battery is connected to charge-discharge circuit, described FM antenna, charge-discharge circuit and power amplifier are all electrically connected on headset plug.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, described drain pan is provided with charging indicator light.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, described FM antenna is connected to headset plug, and described FM antenna is by the first inductance L 1 ground connection.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, described power amplifier comprises: the first control chip U1, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, first resistance R1, second resistance R2, 3rd resistance R3, described first electric capacity C1, one end of second electric capacity C2 is connected to headset plug 7, state the first electric capacity C1 is connected to the 3rd electric capacity C3 one end by the first resistance R1, described second electric capacity C2 is also connected to one end of the 3rd electric capacity C3 by the second resistance R2, the other end of described 3rd electric capacity C3 is connected to the audio signal input end of described first control chip U1 by the 3rd resistance R3, the audio signal output end of described first control chip U1 is connected to the two ends of loud speaker, the power end of described first control chip U1 is by the 4th electric capacity C4, switch is connected to the positive pole of lithium battery, the minus earth of described lithium battery.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, one end of described 3rd electric capacity C3 is also respectively by the 4th resistance R4 and the 7th electric capacity C7 ground connection.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, between the power end of described first control chip U1 and ground, be also parallel with the 5th electric capacity C5 and the 6th electric capacity C6.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, described charge-discharge circuit comprises: the second control chip U2, light-emitting diode D1, second inductance L 2, 7th resistance R7, resistance R8, 9th resistance R9, 11 electric capacity C11, 12 electric capacity C12 and the 13 electric capacity C13, the current input terminal of described second control chip U2 is connected to headset plug by the second inductance L 2, the two ends of described second inductance L 2 are respectively by the 9th resistance R9 and the 11 electric capacity C11 ground connection, the earth terminal of described second control chip U2 is by the 8th resistance R8 ground connection, the current output terminal of described second control chip U2 is connected to the positive pole of lithium battery 6, the current detecting end of described second control chip U2 is connected to the negative electrode of light-emitting diode D1 by the 7th resistance R7, the anode of described light-emitting diode D1 is connected to the current output terminal of the second control chip U2, described 12 electric capacity C12 and the 13 electric capacity C13 is connected in parallel between the positive pole of lithium battery and ground.
Further, in above-mentioned multifunctional ball-shaped audio amplifier, described drain pan is also provided with Switching Power Supply key.
The multifunctional ball-shaped audio amplifier of the utility model charges to internal cell by adopting headset plug, achieve little speaker products under specific occasion uses without the need to external power supply simultaneously voice emplifying, and its apparent volume is little, can carry with use.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the multifunctional ball-shaped audio amplifier of the utility model;
Fig. 2 is the decomposition texture schematic diagram of the multifunctional ball-shaped audio amplifier of the utility model;
Fig. 3 is the circuit theory schematic diagram of circuit board in Fig. 2.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
Refer to Fig. 1 to Fig. 3, the multifunctional ball-shaped audio amplifier of the utility model comprises hemispheric drain pan 1 and the face-piece 2 of engaging mutually, loud speaker 3 is equipped with successively between described hemisphere drain pan 1 and face-piece 2, center 4, control circuit board 5 and lithium battery 6, described control circuit board 5 is fixed in described center 4, described loud speaker 3 is electrically connected on described control circuit board 5, dismountable face shield 21 is provided with outside described face-piece 2, described drain pan 1 is also provided with headset plug 7, described control circuit board 5 is provided with FM antenna 8, charge-discharge circuit 9 and power amplifier 11, described lithium battery 6 is electrically connected on charge-discharge circuit 9, described FM antenna 8, charge-discharge circuit 9 and power amplifier 11 are all electrically connected on headset plug 7.
Wherein, described headset plug 7 doublely can do charging inlet (not shown), when namely charging, described headset plug 7 is inserted one (earphone jack of general 3.5mm) of special charging line, charger is inserted in the other end (being generally USB plug) of described special charging line, can charge to the lithium battery of the multifunctional ball-shaped audio amplifier of the utility model.
Conveniently observe charged state, described drain pan 1 is provided with charging indicator light (light-emitting diode D1).
Described drain pan 1 is also provided with Switching Power Supply key 10.
Refer to Fig. 3, Fig. 3 is the circuit theory schematic diagram of circuit board in Fig. 2.
Described FM antenna 8 is connected to headset plug 7, and described FM antenna 8 is by the first inductance L 1 ground connection.
Described power amplifier 11 comprises the first control chip U1, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, first resistance R1, second resistance R2, 3rd resistance R3, described first electric capacity C1, one end of second electric capacity C2 is connected to headset plug 7, state the first electric capacity C1 is connected to the 3rd electric capacity C3 one end by the first resistance R1, described second electric capacity C2 is also connected to one end of the 3rd electric capacity C3 by the second resistance R2, the other end of described 3rd electric capacity C3 is connected to the audio signal input end (the 4th pin) of described first control chip U1 by the 3rd resistance R3, the audio signal output end of described first control chip U1 is connected to the two ends of loud speaker 3, the power end (the 6th pin) of described first control chip U1 is by the 4th electric capacity C4, interrupteur SW 1 is connected to the positive pole of lithium battery 6, the minus earth of described lithium battery 6.
One end of described 3rd electric capacity C3 is also respectively by the 4th resistance R4 and the 7th electric capacity C7 ground connection.
Also be parallel with the 5th electric capacity C5 and the 6th electric capacity C6 between the power end of described first control chip U1 and ground, play the effect of filtering.
In the present embodiment, the model of described first control chip U1 is MD4161.
Described charge-discharge circuit 9 comprises the second control chip U2, light-emitting diode D1, second inductance L 2, 7th resistance R7, resistance R8, 9th resistance R9, 11 electric capacity C11, 12 electric capacity C12 and the 13 electric capacity C13, the current input terminal of described second control chip U2 is connected to headset plug 7 by the second inductance L 2, the two ends of described second inductance L 2 are respectively by the 9th resistance R9 and the 11 electric capacity C11 ground connection, the earth terminal (the 5th pin) of described second control chip U2 is by the 8th resistance R8 ground connection, the current output terminal of described second control chip U2 is connected to the positive pole of lithium battery 6, the current detecting end of described second control chip U2 is connected to the negative electrode of light-emitting diode D1 by the 7th resistance R7, the anode of described light-emitting diode D1 is connected to the current output terminal of the second control chip U2, between the positive pole that described 12 electric capacity C12 and the 13 electric capacity C13 is connected in parallel in lithium battery 6 and ground.
In the present embodiment, the model of described second control chip U2 is TP4054.
The operation principle of the multifunctional ball-shaped audio amplifier of the utility model is as follows:
When working as audio amplifier, headset plug 7 can be inserted the earphone jack of the general 3.5mm of electronic equipment such as mobile phone, opening power, the audio signal of mobile phone enters the first control chip U1 through the first electric capacity C1, the second electric capacity C2, the first resistance R1, the second resistance R2, the 3rd electric capacity C3 and the 3rd resistance R3, amplifies promote loud speaker 3 and to work sounding through the first control chip U1.
The power supply of described first control chip U1 is provided by lithium battery 6, the electric current of lithium battery 6 positive pole is through SW1 switch, enter the first control chip U1 the 6th pin through the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6 filtering again, provide power supply to give the first control chip U1.
When mobile phone volume is maximum, when the volume of the multifunctional ball-shaped audio amplifier of the utility model is still less, is now that the electricity of inner lithium battery exhausts, must charges in time.
When charging, charging current enters the current input terminal of described second control chip U2 by headset plug 7, second inductance L 2, by output current after the boosting of the second control chip U2, lithium battery 6 is charged, in the process, light-emitting diode D1 can glimmer, when battery charging is full, light-emitting diode D1 perseverance is bright.
The multifunctional ball-shaped audio amplifier of the utility model charges to internal cell by adopting headset plug, achieve little speaker products under specific occasion uses without the need to external power supply simultaneously voice emplifying, and its apparent volume is little, can carry with use.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present utility model or substantive characteristics, the utility model can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the utility model scope and spirit, can other distortion be carried out here to disclosed embodiment and change.

Claims (8)

1. a multifunctional ball-shaped audio amplifier, it is characterized in that, comprise: the hemispheric drain pan of engaging mutually and face-piece, loud speaker is equipped with successively between described hemisphere drain pan and face-piece, center, control circuit board and lithium battery, described control circuit board is fixed in described center, described loud speaker is electrically connected on described control circuit board, dismountable face shield is provided with outside described face-piece, described drain pan is also provided with headset plug, described control circuit board is provided with FM antenna, charge-discharge circuit and power amplifier, described lithium battery is connected to charge-discharge circuit, described FM antenna, charge-discharge circuit and power amplifier are all electrically connected on headset plug.
2. multifunctional ball-shaped audio amplifier according to claim 1, is characterized in that, described drain pan is provided with charging indicator light.
3. multifunctional ball-shaped audio amplifier according to claim 2, is characterized in that, described FM antenna is connected to headset plug, and described FM antenna is by the first inductance L 1 ground connection.
4. multifunctional ball-shaped audio amplifier according to claim 1, it is characterized in that, described power amplifier comprises: the first control chip U1, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, first resistance R1, second resistance R2, 3rd resistance R3, described first electric capacity C1, one end of second electric capacity C2 is connected to headset plug 7, state the first electric capacity C1 is connected to the 3rd electric capacity C3 one end by the first resistance R1, described second electric capacity C2 is also connected to one end of the 3rd electric capacity C3 by the second resistance R2, the other end of described 3rd electric capacity C3 is connected to the audio signal input end of described first control chip U1 by the 3rd resistance R3, the audio signal output end of described first control chip U1 is connected to the two ends of loud speaker, the power end of described first control chip U1 is by the 4th electric capacity C4, switch is connected to the positive pole of lithium battery, the minus earth of described lithium battery.
5. multifunctional ball-shaped audio amplifier according to claim 4, is characterized in that, one end of described 3rd electric capacity C3 is also respectively by the 4th resistance R4 and the 7th electric capacity C7 ground connection.
6. multifunctional ball-shaped audio amplifier according to claim 5, is characterized in that, is also parallel with the 5th electric capacity C5 and the 6th electric capacity C6 between the power end of described first control chip U1 and ground.
7. multifunctional ball-shaped audio amplifier according to claim 4, it is characterized in that, described charge-discharge circuit comprises: the second control chip U2, light-emitting diode D1, second inductance L 2, 7th resistance R7, resistance R8, 9th resistance R9, 11 electric capacity C11, 12 electric capacity C12 and the 13 electric capacity C13, the current input terminal of described second control chip U2 is connected to headset plug by the second inductance L 2, the two ends of described second inductance L 2 are respectively by the 9th resistance R9 and the 11 electric capacity C11 ground connection, the earth terminal of described second control chip U2 is by the 8th resistance R8 ground connection, the current output terminal of described second control chip U2 is connected to the positive pole of lithium battery 6, the current detecting end of described second control chip U2 is connected to the negative electrode of light-emitting diode D1 by the 7th resistance R7, the anode of described light-emitting diode D1 is connected to the current output terminal of the second control chip U2, described 12 electric capacity C12 and the 13 electric capacity C13 is connected in parallel between the positive pole of lithium battery and ground.
8. multifunctional ball-shaped audio amplifier according to claim 1, is characterized in that, described drain pan is also provided with Switching Power Supply key.
CN201420597170.8U 2014-10-16 2014-10-16 Multifunctional ball-shaped audio amplifier Expired - Fee Related CN204131672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420597170.8U CN204131672U (en) 2014-10-16 2014-10-16 Multifunctional ball-shaped audio amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420597170.8U CN204131672U (en) 2014-10-16 2014-10-16 Multifunctional ball-shaped audio amplifier

Publications (1)

Publication Number Publication Date
CN204131672U true CN204131672U (en) 2015-01-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420597170.8U Expired - Fee Related CN204131672U (en) 2014-10-16 2014-10-16 Multifunctional ball-shaped audio amplifier

Country Status (1)

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CN (1) CN204131672U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106027703A (en) * 2016-06-27 2016-10-12 无锡迪奥机械有限公司 Mobile phone dustproof plug with loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106027703A (en) * 2016-06-27 2016-10-12 无锡迪奥机械有限公司 Mobile phone dustproof plug with loudspeaker

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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: 20150128

Termination date: 20161016