CN209692992U - The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern - Google Patents
The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern Download PDFInfo
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- CN209692992U CN209692992U CN201920272156.3U CN201920272156U CN209692992U CN 209692992 U CN209692992 U CN 209692992U CN 201920272156 U CN201920272156 U CN 201920272156U CN 209692992 U CN209692992 U CN 209692992U
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- operational amplifier
- multiple groups
- amplifier circuit
- earphone
- circuit
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Abstract
The utility model discloses the earphones that multiple groups operational amplifier circuit multiple groups acoustic pattern can be switched, and in particular to earphone field, the PCBA circuit board of earphone are provided with multiple groups operational amplifier circuit, or at least one set of operational amplifier circuit and one group of energy-saving circuit；The operational amplifier circuit and the energy-saving circuit are electrically connected with the phonation unit of earphone；Control unit is switched to the different operational amplifier circuits and the energy-saving circuit is powered or power-off, and the operational amplifier circuit increases audio power output, promotes the driving capability to phonation unit, the phonation unit is made to issue different sound；The energy-saving circuit is with equipped with operational amplifier circuit, and the sound for issuing phonation unit is different, and the energy-saving circuit is low in energy consumption.Different sound quality experience can be obtained by switch to different circuits and promote earphone sound quality with further audio output driving capability is promoted, and obtain the outstanding experience of more unrestricted choices.By a set of headphones instead of several traditional earphone bring effects, therefore reduce the cost of experiencer.
Description
Technical field
The utility model relates to acoustical generator fields, and in particular to the changeable ear of multiple groups operational amplifier circuit multiple groups acoustic pattern
Machine.
Background technique
Earphone is the electronic product that current people are commonly used；It is used to listen to music, broadcast etc.；Current many people understand basis
The music categories listened use different earphones；Therefore for music-lover, needing to be equipped with a variety of different earphones makes
With；Therefore it will increase the cost of user, and will cause the waste of resource, while a plurality of earphone is also not easy to manage, to making
User causes many inconvenience.It is changeable it is really necessary to design multiple groups operational amplifier circuit multiple groups acoustic pattern in view of disadvantages described above
Earphone.
Utility model content
It can be switched technical problem to be solved by the utility model is to provide multiple groups operational amplifier circuit multiple groups acoustic pattern
Earphone, can with realize a earphone can there are many sound experience of beep pattern and different-style,
In order to solve the above technical problems, the technical solution of the utility model is: multiple groups operational amplifier circuit multiple groups acoustic pattern can
The earphone of switching, the PCBA circuit board of earphone are provided with multiple groups operational amplifier circuit, or at least one set of operational amplifier circuit and one group of energy conservation
Circuit；The operational amplifier circuit and the energy-saving circuit are electrically connected with the phonation unit of earphone；Control unit is switched to described in difference
Operational amplifier circuit and the energy-saving circuit are powered or power-off, and the operational amplifier circuit increases audio power output, is promoted to phonation unit
Driving capability, so that the phonation unit is issued different sound；The energy-saving circuit and the operational amplifier circuit, make phonation unit
The sound of sending is different, and the energy-saving circuit is low in energy consumption.
Further, the amplifier element number is two groups, and amplifier unit described in two groups is connected in parallel.
Further, the phonation unit is dynamic iron, moving-coil and piezoelectric speaker it is any.
Further, described control unit and the amplifier unit are set in PCBA board；Described control unit is to stir out
Close, touch switch or main control chip it is any.
Further, described control unit is main control chip, and communication module, the communication module are additionally provided in the PCBA board
It is connect with mobile communication；The main control chip controls the switching of the amplifier unit and the phonation unit.
Further, the earphone is wireless headset.
Further, the energy-saving circuit is electrically connected with the control unit between the phonation unit.
Compared with prior art, the changeable earphone of the multiple groups operational amplifier circuit multiple groups acoustic pattern has below beneficial to effect
Fruit:
1, different operational amplifier circuits make phonation unit have alternative sounds variation, and energy-saving circuit makes sounding list with operational amplifier circuit
First sound is different, because the amplifier chip parameter of different operational amplifier circuits is different, operating current output is different, makes the phonation unit
Different sound is issued, can be switched between operational amplifier circuit in multiple groups operational amplifier circuit and not setting by operation, by switch to
Different circuits can obtain different sound quality experience and promote earphone sound quality with further audio output driving capability is promoted, and obtain more
The outstanding experience of more unrestricted choices.By a set of headphones instead of several traditional earphone bring effects, therefore reduce body
The cost for the person of testing, and the resource saved, facilitate production.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the changeable earphone of the utility model multiple groups operational amplifier circuit multiple groups acoustic pattern；
Fig. 2 is the changeable earphone control unit of the utility model multiple groups operational amplifier circuit multiple groups acoustic pattern, amplifier unit
With the connection schematic diagram of phonation unit；
Fig. 3 is the changeable head circuit figure of the utility model multiple groups operational amplifier circuit multiple groups acoustic pattern；
Fig. 4 is the circuit of the changeable another embodiment of earphone of the utility model multiple groups operational amplifier circuit multiple groups acoustic pattern
Figure.
Specific embodiment
The following detailed description will be further explained with reference to the above drawings.
Hereinafter, a variety of specific details are elaborated, in order to provide to the saturating of the concept for constituting described embodiment basis
Thorough understanding.However, it will be apparent to those skilled in the art that described embodiment can be in these no specific details
In some or all situations get off practice.In other cases, well-known processing step is not specifically described.
Referring to Fig.1-4, the PCBA circuit board 5 of the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern, earphone 1 is arranged
There are multiple groups operational amplifier circuit, or at least one set of operational amplifier circuit and one group of energy-saving circuit；The operational amplifier circuit and the energy-saving circuit
It is electrically connected with the phonation unit 2 of earphone；Control unit 4 is switched to the different operational amplifier circuits and the energy-saving circuit is powered or breaks
Electricity, the operational amplifier circuit increase audio power output, promote the driving capability to phonation unit 2, issue the phonation unit 2
Different sound；The energy-saving circuit and the operational amplifier circuit, the sound for issuing phonation unit is different, and the electricity-saving
Road it is low in energy consumption.
Further, the amplifier element number is two groups.
Further, referring to Fig.1-4, the phonation unit 2 is dynamic iron, moving-coil and piezoelectric speaker it is any.
Further, referring to Fig.1, described control unit 4 is set in PCBA board 5；Described control unit 4 is toggle switch, point
Touching switch or main control chip it is any.
Further, referring to Fig.1, stating control unit 4 is main control chip for institute；Therefore, it can be controlled by the operation sequence write
Unit is switched to the energization or power-off of the different operational amplifier circuits and energy-saving circuit.Communication module is additionally provided on the PCBA plate 5
The communication module is connect with mobile communication；The main control chip controls the switching of the amplifier unit and the phonation unit 2.
It is connect by communication module with mobile phone, therefore can have mobile phone to switch different amplifier units and different phonation units 2, made
Obtain simple operation.Further, the communication module is WiFi module or bluetooth module.
Further, the earphone is wireless headset.
Further, the energy-saving circuit is electrically connected with the control unit between the phonation unit.
The utility model is not limited to above-mentioned specific embodiment, and those skilled in the art visualize from above-mentioned
Hair, without creative labor, the various transformation made are all fallen within the protection scope of the utility model.
Claims (7)
1. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern, which is characterized in that the PCBA circuit board of earphone is provided with
Multiple groups operational amplifier circuit, or at least one set of operational amplifier circuit and one group of energy-saving circuit；The operational amplifier circuit and the energy-saving circuit with
The phonation unit of earphone is electrically connected；Control unit switches the different operational amplifier circuits and the energy-saving circuit is powered or power-off, institute
It states operational amplifier circuit and increases audio power output, promote the driving capability to phonation unit, issue the phonation unit different
Sound；The energy-saving circuit and the operational amplifier circuit, the sound for issuing phonation unit is different, and the function of the energy-saving circuit
It consumes low.
2. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern as described in claim 1, which is characterized in that the fortune
Putting circuit quantity is two groups, and operational amplifier circuit described in two groups is connected in parallel.
3. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern as claimed in claim 2, which is characterized in that the hair
Sound unit is dynamic iron, moving-coil and piezoelectric speaker it is any.
4. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern as claimed in claim 3, which is characterized in that the control
Unit processed and the operational amplifier circuit are set in PCBA board；Described control unit is toggle switch, touch switch or master control core
Piece it is any.
5. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern as claimed in claim 4, which is characterized in that the control
Unit processed is main control chip, is additionally provided with communication module in the PCBA board, the communication module is connect with mobile communication；The master
Control the switching of operational amplifier circuit and the phonation unit described in chip controls.
6. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern as described in any one in claim 1-5, feature exist
In the earphone is wireless headset.
7. the changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern as claimed in claim 6, which is characterized in that the section
Energy circuit is electrically connected with the control unit between the phonation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272156.3U CN209692992U (en) | 2019-03-04 | 2019-03-04 | The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272156.3U CN209692992U (en) | 2019-03-04 | 2019-03-04 | The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209692992U true CN209692992U (en) | 2019-11-26 |
Family
ID=68603624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920272156.3U Active CN209692992U (en) | 2019-03-04 | 2019-03-04 | The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209692992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743655A (en) * | 2019-03-04 | 2019-05-10 | 成都法兰特科技有限公司 | The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern |
-
2019
- 2019-03-04 CN CN201920272156.3U patent/CN209692992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743655A (en) * | 2019-03-04 | 2019-05-10 | 成都法兰特科技有限公司 | The changeable earphone of multiple groups operational amplifier circuit multiple groups acoustic pattern |
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