CN208094768U - A kind of Baffle Box of Bluetooth of the detachable sucker of band - Google Patents
A kind of Baffle Box of Bluetooth of the detachable sucker of band Download PDFInfo
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- CN208094768U CN208094768U CN201820522819.8U CN201820522819U CN208094768U CN 208094768 U CN208094768 U CN 208094768U CN 201820522819 U CN201820522819 U CN 201820522819U CN 208094768 U CN208094768 U CN 208094768U
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- 239000003990 capacitor Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 4
- 241001062009 Indigofera Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Baffle Box of Bluetooth of the detachable sucker of band, including sound box and sucker, music window is equipped at the top of the sound box, the sound box bottom is equipped with the first helicitic texture, the sucker is equipped with the second helicitic texture, first helicitic texture matches connection with the second helicitic texture, circuit board is equipped in the sound box, the circuit board is equipped with bluetooth module, processor and playing module, and the processor is connected with bluetooth module with playing module respectively.For the utility model by being equipped with the first helicitic texture in sound box bottom and being equipped with the second helicitic texture on sucker, user can install or dismantle as needed sucker, upper more convenient to make Baffle Box of Bluetooth use, and can be widely applied to speaker field.
Description
Technical field
The utility model is related to speaker field more particularly to a kind of Baffle Box of Bluetooth of the detachable sucker of band.
Background technology
Baffle Box of Bluetooth embedded with bluetooth chip replaces the sound-box device of traditional wire rod connection with bluetooth connection, by with mobile phone,
Tablet is connected with bluetooths playback equipments such as laptops, achievees the purpose that convenient and efficient broadcasting.Currently, Baffle Box of Bluetooth is with portable
Based on speaker, the characteristics of shape is general small and exquisite portable, and Baffle Box of Bluetooth technology also facilitates human nature because of it, firmly gets everybody like.Because
Speaker is small and exquisite, under the conditions of very much, can be adsorbed on speaker on wall or on other objects, more convenient user's practicality speaker,
But the sucker of existing Baffle Box of Bluetooth is fixed, when that need not use adsorption function, increases the volume of speaker, it has not been convenient to
User uses.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to propose a kind of bluetooth sound of the detachable sucker of band
Case.
Technical solution used by the utility model is：
A kind of Baffle Box of Bluetooth of the detachable sucker of band, including sound box and sucker, the sound box top are equipped with sound
Happy broadcast window, the sound box bottom are equipped with the first helicitic texture, and the sucker is equipped with the second helicitic texture, and described the
One helicitic texture matches connection with the second helicitic texture, and circuit board is equipped in the sound box, and the circuit board is equipped with indigo plant
Tooth module, processor and playing module, the processor are connected with bluetooth module with playing module respectively.
Further, the playing module includes amplifier unit and loudspeaker, the amplifier unit respectively with processor and loudspeaker
Connection.
Further, the amplifier unit includes the first amplifier, the second amplifier, the first bipolar npn transistor, the
Two bipolar npn transistors, third bipolar npn transistor, the first positive-negative-positive bipolar transistor, the second positive-negative-positive are bipolar
Property transistor, third positive-negative-positive bipolar transistor, first resistor, the first adjustable resistance, 3rd resistor, the 4th resistance, second can
Adjust resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, eleventh resistor, twelfth resistor, the
13 resistance, the 14th resistance, the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance,
20 resistance, the 21st resistance, diode and polar capacitor；
The anode of input terminal of the cathode of the polar capacitor as amplifier unit, the polar capacitor passes through the 4th resistance
It is connect with the in-phase input end of the first amplifier, the positive same phase for passing through the 7th resistance and the second amplifier of the polar capacitor
Input terminal connects, and the in-phase input end of first amplifier is connect by 3rd resistor with the first end of the first adjustable resistance,
The second end of first adjustable resistance is connected by the anode of first resistor and power supply, the third end of first adjustable resistance
Ground connection, the in-phase input end of second amplifier connect by the 6th resistance with the first end of the second adjustable resistance, and described the
The second end of two adjustable resistances is connected by the cathode of diode and power supply, the third end ground connection of second adjustable resistance, institute
The output end for stating the first amplifier is connect by the 8th resistance with the base stage of the first bipolar npn transistor, the first NPN
The collector of type bipolar transistor is connected by the anode of twelfth resistor and power supply, the first bipolar npn crystal
The emitter of pipe passes sequentially through the 9th resistance and the tenth resistance is connect with the emitter of the first positive-negative-positive bipolar transistor, described
The inverting input of first amplifier is connect with the emitter of the first bipolar npn transistor, second amplifier it is anti-
Phase input terminal is connect with the emitter of the first positive-negative-positive bipolar transistor, and the output end of second amplifier passes through the 11st
Resistance is connect with the base stage of the first positive-negative-positive bipolar transistor, and the collector of the first positive-negative-positive bipolar transistor passes through
The cathode of 16 resistance and power supply connects, and the base stage of the second positive-negative-positive bipolar transistor passes through the 14th resistance and first
The collector of bipolar npn transistor connects, and the emitter of the second positive-negative-positive bipolar transistor passes through thirteenth resistor
It is connect with the anode of power supply, the collection of the collector of the second positive-negative-positive bipolar transistor and the second bipolar npn transistor
Electrode connects, and the base stage of the second bipolar npn transistor passes through the 15th resistance and the first positive-negative-positive bipolar transistor
Collector connection, the emitter of the second bipolar npn transistor connected by the cathode of the 17th resistance and power supply,
The collector that the base stage of the third positive-negative-positive bipolar transistor passes through the 18th resistance and the first bipolar npn transistor
The emitter of connection, the third positive-negative-positive bipolar transistor is connected by the anode of the 20th resistance and power supply, the third
The collector of positive-negative-positive bipolar transistor is connect with the collector of third bipolar npn transistor, and the third NPN type is double
The base stage of polar transistor is connect by the 19th resistance with the collector of the first positive-negative-positive bipolar transistor, the 3rd NPN
The emitter of type bipolar transistor is connected by the cathode of the 21st resistance and power supply, and the anodes of the loudspeaker is respectively with the
The collector of two bipolar npn transistors is connected with the collector of third bipolar npn transistor, the cathode of the loudspeaker
Ground connection.
The utility model has the beneficial effects that：A kind of Baffle Box of Bluetooth of the detachable sucker of band, including sound box and sucker,
It is equipped with music window at the top of the sound box, the sound box bottom is equipped with the first helicitic texture, on the sucker
Equipped with the second helicitic texture, first helicitic texture matches connection with the second helicitic texture, and electricity is equipped in the sound box
Road plate, the circuit board be equipped with bluetooth module, processor and playing module, the processor respectively with bluetooth module and broadcasting
Module connects.By being equipped with the first helicitic texture in sound box bottom and being equipped with the second helicitic texture, Yong Huke on sucker
Installation or dismounting sucker as needed, it is upper more convenient to make Baffle Box of Bluetooth use.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the Baffle Box of Bluetooth of the detachable sucker of band of the utility model；
Fig. 2 is the electronic circuitry of playing module.
Specific implementation mode
As shown in Figure 1, a kind of Baffle Box of Bluetooth of the detachable sucker of band, including sound box 2 and sucker 4, the speaker case
The top of body 2 is equipped with music window 1, and 2 bottom of the sound box is equipped with the first helicitic texture 3, and the sucker 4 is equipped with the
Two helicitic textures, first helicitic texture 3 match connection with the second helicitic texture, circuit board are equipped in the sound box 2,
The circuit board be equipped with bluetooth module, processor and playing module, the processor respectively with bluetooth module and playing module
Connection.
The operation principle of above-mentioned Baffle Box of Bluetooth is：When user needs Baffle Box of Bluetooth being adsorbed on wall or other objects
When upper, sucker 4 was installed to the bottom of Baffle Box of Bluetooth, helicitic texture is designed on the bottom of Baffle Box of Bluetooth and sucker 4, passes through
Sucker 4 can be fixedly connected by helicitic texture with sound box 2, therefore speaker can be adsorbed on wall by user.When user is without making
When with sucker 4, then sucker 4 can be removed, reduce the volume of speaker.By dismountable sucker 4, the operation of more convenient user makes
With.In the present embodiment, the bluetooth module uses nrf51822 chips, the processor to use N9100-SOP16 chips.
It is further used as preferred embodiment, the playing module includes amplifier unit and loudspeaker, the amplifier unit
It is connect respectively with processor and loudspeaker.
As shown in Fig. 2, be further used as preferred embodiment, the amplifier unit specifically include the first amplifier U1,
First amplifier U2, the first bipolar npn transistor Q1, the second bipolar npn transistor Q4, third bipolar npn
Transistor Q6, the first positive-negative-positive bipolar transistor Q2, the second positive-negative-positive bipolar transistor Q3, third positive-negative-positive bipolar transistor
Pipe Q5, first resistor R1, the first adjustable resistance R2,3rd resistor R3, the 4th resistance R4, the second adjustable resistance R5, the 6th resistance
R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, eleventh resistor R11, twelfth resistor R12,
Thirteenth resistor R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17, the 18th
Resistance R18, the 19th resistance R19, the 20th resistance R20, the 21st resistance R21, diode D1 and polar capacitor C1；
The anode of input terminal of the cathode of the polar capacitor C1 as amplifier unit, the polar capacitor C1 passes through the 4th
Resistance R4 is connect with the in-phase input end of the first amplifier U1, and the anode of the polar capacitor C1 passes through the 7th resistance R7 and first
The in-phase input end of amplifier U2 connects, and the in-phase input end of the first amplifier U1 is adjustable by 3rd resistor R3 and first
The first end of resistance R2 connects, and the second end of the first adjustable resistance R2 is connected by the anode+VDD of first resistor R1 and power supply
It connects, the third end ground connection of the first adjustable resistance R2, the in-phase input end of the first amplifier U2 passes through the 6th resistance R6
It is connect with the first end of the second adjustable resistance R5, the second end of the second adjustable resistance R5 is negative by diode D1 and power supply
The output end of pole-VDD connections, the third end ground connection of the second adjustable resistance R5, the first amplifier U1 passes through the 8th electricity
Resistance R8 is connect with the base stage of the first bipolar npn transistor Q1, and the collector of the first bipolar npn transistor Q1 is logical
Anode+VDD the connections of twelfth resistor R12 and power supply are crossed, the emitter of the first bipolar npn transistor Q1 leads to successively
It crosses the 9th resistance R9 and the tenth resistance R10 to connect with the emitter of the first positive-negative-positive bipolar transistor Q2, first amplifier
The inverting input of U1 is connect with the emitter of the first bipolar npn transistor Q1, and the reverse phase of the first amplifier U2 is defeated
Enter end to connect with the emitter of the first positive-negative-positive bipolar transistor Q2, the output end of the first amplifier U2 passes through the 11st
Resistance R11 is connect with the base stage of the first positive-negative-positive bipolar transistor Q2, the current collection of the first positive-negative-positive bipolar transistor Q2
Pole is passed through by the cathode-VDD connections of the 16th resistance R16 and power supply, the base stage of the second positive-negative-positive bipolar transistor Q3
14th resistance R14 is connect with the collector of the first bipolar npn transistor Q1, the second positive-negative-positive bipolar transistor
The emitter of Q3 by the anode+VDD connections of thirteenth resistor R13 and power supply, the second positive-negative-positive bipolar transistor Q3's
Collector is connect with the collector of the second bipolar npn transistor Q4, the base stage of the second bipolar npn transistor Q4
It is connect with the collector of the first positive-negative-positive bipolar transistor Q2 by the 15th resistance R15, second bipolar npn is brilliant
The emitter of body pipe Q4 passes through the cathode-VDD connections of the 17th resistance R17 and power supply, the third positive-negative-positive bipolar transistor
The base stage of Q5 is connect by the 18th resistance R18 with the collector of the first bipolar npn transistor Q1, the third positive-negative-positive
For the emitter of bipolar transistor Q5 by the anode+VDD connections of the 20th resistance R20 and power supply, the third positive-negative-positive is bipolar
Property transistor Q5 collector connect with the collector of third bipolar npn transistor Q6, the third bipolar npn is brilliant
The base stage of body pipe Q6 is connect by the 19th resistance R19 with the collector of the first positive-negative-positive bipolar transistor Q2, the third
The emitter of bipolar npn transistor Q6 passes through the cathode-VDD connections of the 21st resistance R21 and power supply, the loudspeaker P1
The anode collector with the collector of the second bipolar npn transistor Q4 and third bipolar npn transistor Q6 respectively
Connection, the cathode ground connection of the loudspeaker P1.
In the present embodiment, superhet input mode is used, reduces the input of noise, improves sound quality.In amplifier
Power tube is directly driven using voltage switching current mode in unit and carries out power amplification, so output power depends primarily on end
Grade power tube and amplifier power supply are convenient to replace the amplifier of different performance, and tone color has more selections.
Above-mentioned Baffle Box of Bluetooth can dismantle or install according to the demand of user sucker, to make Baffle Box of Bluetooth apply more
Add conveniently, and the Baffle Box of Bluetooth, by the type of drive of electric current, sound quality is more preferable.
It is to be illustrated to the preferable implementation of the utility model, but the utility model is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (3)
1. a kind of Baffle Box of Bluetooth of the detachable sucker of band, which is characterized in that including sound box and sucker, the sound box top
Portion is equipped with music window, and the sound box bottom is equipped with the first helicitic texture, and the sucker is equipped with the second screw thread knot
Structure, first helicitic texture match connection with the second helicitic texture, circuit board, the circuit board are equipped in the sound box
It is equipped with bluetooth module, processor and playing module, the processor is connected with bluetooth module with playing module respectively.
2. a kind of Baffle Box of Bluetooth of the detachable sucker of band according to claim 1, which is characterized in that the playing module packet
Amplifier unit and loudspeaker are included, the amplifier unit is connect with processor and loudspeaker respectively.
3. a kind of Baffle Box of Bluetooth of the detachable sucker of band according to claim 2, which is characterized in that the amplifier unit packet
Include the first amplifier, the second amplifier, the first bipolar npn transistor, the second bipolar npn transistor, third NPN type
Bipolar transistor, the first positive-negative-positive bipolar transistor, the second positive-negative-positive bipolar transistor, third positive-negative-positive bipolar transistor
Pipe, first resistor, the first adjustable resistance, 3rd resistor, the 4th resistance, the second adjustable resistance, the 6th resistance, the 7th resistance,
Eight resistance, the 9th resistance, the tenth resistance, eleventh resistor, twelfth resistor, thirteenth resistor, the 14th resistance, the 15th electricity
Resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance, the 20th resistance, the 21st resistance, diode
And polar capacitor；
The anode of input terminal of the cathode of the polar capacitor as amplifier unit, the polar capacitor passes through the 4th resistance and the
The in-phase input end of one amplifier connects, the positive homophase input for passing through the 7th resistance and the second amplifier of the polar capacitor
End connection, the in-phase input end of first amplifier is connect by 3rd resistor with the first end of the first adjustable resistance, described
The second end of first adjustable resistance is connected by the anode of first resistor and power supply, the third termination of first adjustable resistance
The in-phase input end on ground, second amplifier is connect by the 6th resistance with the first end of the second adjustable resistance, and described second
The second end of adjustable resistance is connected by the cathode of diode and power supply, the third end ground connection of second adjustable resistance, described
The output end of first amplifier is connect by the 8th resistance with the base stage of the first bipolar npn transistor, first NPN type
The collector of bipolar transistor is connected by the anode of twelfth resistor and power supply, the first bipolar npn transistor
Emitter pass sequentially through the 9th resistance and the tenth resistance is connect with the emitter of the first positive-negative-positive bipolar transistor, described
The inverting input of one amplifier is connect with the emitter of the first bipolar npn transistor, the reverse phase of second amplifier
Input terminal is connect with the emitter of the first positive-negative-positive bipolar transistor, and the output end of second amplifier passes through the 11st electricity
Resistance is connect with the base stage of the first positive-negative-positive bipolar transistor, and the collector of the first positive-negative-positive bipolar transistor passes through the tenth
The cathode of six resistance and power supply connects, and the base stage of the second positive-negative-positive bipolar transistor passes through the 14th resistance and the first NPN
The collector of type bipolar transistor connects, the emitter of the second positive-negative-positive bipolar transistor by thirteenth resistor with
The anode connection of power supply, the current collection of the collector of the second positive-negative-positive bipolar transistor and the second bipolar npn transistor
Pole connects, and the base stage of the second bipolar npn transistor passes through the 15th resistance and the first positive-negative-positive bipolar transistor
Collector connects, and the emitter of the second bipolar npn transistor is connected by the cathode of the 17th resistance and power supply, institute
The base stage for stating third positive-negative-positive bipolar transistor is connected by the collector of the 18th resistance and the first bipolar npn transistor
It connects, the emitter of the third positive-negative-positive bipolar transistor is connected by the anode of the 20th resistance and power supply, the third
The collector of positive-negative-positive bipolar transistor is connect with the collector of third bipolar npn transistor, and the third NPN type is double
The base stage of polar transistor is connect by the 19th resistance with the collector of the first positive-negative-positive bipolar transistor, the 3rd NPN
The emitter of type bipolar transistor is connected by the cathode of the 21st resistance and power supply, and the anodes of the loudspeaker is respectively with the
The collector of two bipolar npn transistors is connected with the collector of third bipolar npn transistor, the cathode of the loudspeaker
Ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522819.8U CN208094768U (en) | 2018-04-11 | 2018-04-11 | A kind of Baffle Box of Bluetooth of the detachable sucker of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522819.8U CN208094768U (en) | 2018-04-11 | 2018-04-11 | A kind of Baffle Box of Bluetooth of the detachable sucker of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208094768U true CN208094768U (en) | 2018-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522819.8U Expired - Fee Related CN208094768U (en) | 2018-04-11 | 2018-04-11 | A kind of Baffle Box of Bluetooth of the detachable sucker of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208094768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021198A (en) * | 2019-04-23 | 2019-07-16 | 江苏海事职业技术学院 | A kind of English teaching system based on intelligent terminal |
-
2018
- 2018-04-11 CN CN201820522819.8U patent/CN208094768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021198A (en) * | 2019-04-23 | 2019-07-16 | 江苏海事职业技术学院 | A kind of English teaching system based on intelligent terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |