CN209896105U

CN209896105U - Micro-sound energy battery

Info

Publication number: CN209896105U
Application number: CN201920164536.5U
Authority: CN
Inventors: 蔡卓强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-01-03
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a micro-acoustic energy battery, which is characterized in that the micro-acoustic energy battery comprises an acoustic-electric conversion module, a weak current accumulation module and an energy storage module, wherein, the output end of the acoustic-electric conversion module is connected with the input end of the weak current accumulation module, and the output end of the weak current accumulation module is connected with the energy storage module; the sound-electricity conversion module is used for converting sound energy into electric energy, the weak electricity accumulation module is used for collecting the electric energy generated by the sound-electricity conversion module, and the energy storage module is used for storing the electric energy collected by the weak electricity accumulation module. Through the embodiment of the utility model provides a can realize carrying out effectual utilization to acoustic energy.

Description

Micro-sound energy battery

Technical Field

The utility model relates to an energy technical field especially relates to a little sound energy battery.

Background

Energy problems are hot spots in the world at present, many international disputes are energy disputes, who owns energy and who seizes the development of the energy disputes, and some countries and regions seriously restrict the development of economic society due to energy shortage. China puts forward a new development concept of innovation, coordination, greenness, openness and sharing, and has a great deal of development on accelerating the construction of a resource-saving and environment-friendly society and promoting the development of low-carbon circulation. Novel energy sources such as solar energy, biomass energy, heat energy and the like are widely applied to various fields of economic and social development.

The noise source is very wide, and the noise pollution has considerable harm to the life and health of people. Meanwhile, noise is a potential energy source with a considerable energy value, for example, a jet aircraft with noise reaching 160dB has a sound power of about 10kW, a large blower with noise reaching 140dB has a sound power of 100W, and noise generated by sound sources of various conditions such as automobiles, audios and the like also has a large energy value. If the acoustic energy power generation device can be used for recycling the energy, the noise in the environment can be effectively reduced, the environment is protected, and the noise pollution can be changed into resources to be effectively utilized.

However, acoustic energy harvesting is not common and is difficult to collect and utilize due to its low power density compared to other types of energy (e.g., solar and thermoelectric energy). At present, the technology of adopting piezoelectric and electrostatic effects to realize sound energy collection has the defects of low energy conversion efficiency, complex structure, high requirement on material quality and the like, most devices have higher working frequency (from a few kHz to MHz), and a sound source used in daily life is mainly a low-frequency component, so that the prior art and related devices are difficult to effectively utilize sound waves really.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a micro-acoustic energy battery, which can effectively utilize acoustic energy.

The utility model provides a little acoustic energy battery, little acoustic energy battery includes sound-electricity conversion module, weak current accumulation module and energy storage module, wherein:

the output end of the sound-electricity conversion module is connected with the input end of the weak current accumulation module, and the output end of the weak current accumulation module is connected with the energy storage module; the sound-electricity conversion module is used for converting sound energy into electric energy, the weak electricity accumulation module is used for collecting the electric energy generated by the sound-electricity conversion module, and the energy storage module is used for storing the electric energy collected by the weak electricity accumulation module.

Preferably, the acoustoelectric conversion module includes a cylindrical magnetizer, an annular permanent magnet, a magnetic resonance sheet and a high-resistance electromagnetic coil, wherein:

the cylindrical magnetizer is inserted into the annular permanent magnet, the magnetic resonance sheet is arranged on the cylindrical magnetizer and the annular permanent magnet, one end of the high-resistance electromagnetic ring is arranged on the magnetic resonance sheet, and the other end of the high-resistance electromagnetic ring is inserted into a gap between the cylindrical magnetizer and the annular permanent magnet.

Preferably, the acoustoelectric conversion module comprises two high-resistance electromagnetic coils.

Preferably, the weak current accumulation module includes a first rectifier tube, a second rectifier tube, a third rectifier tube, a fourth rectifier tube, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, and a thyristor, wherein:

the anode of the first rectifier tube is connected with the cathode of the third rectifier tube, the cathode of the first rectifier tube is connected with the first output end of the weak current accumulation module, the anode of the third rectifier tube is connected with the cathode of the thyristor, the anode of the second rectifier tube is connected with the cathode of the fourth rectifier tube, the cathode of the second rectifier tube is connected with the first output end of the weak current accumulation module, the anode of the fourth rectifier tube is connected with the cathode of the thyristor, one end of the high-resistance coil is connected between the first rectifier tube and the third rectifier tube, the other end of the high-resistance coil is connected between the second rectifier tube and the fourth rectifier tube, the anode of the thyristor is connected with the second output end of the weak current accumulation module, and one end of the first capacitor is connected with the first output end of the weak current accumulation module, the other end of the first capacitor is connected with the cathode of the thyristor, one end of the first resistor, the second resistor and the third resistor after being connected in series is connected with the first output end of the weak current accumulation module, the other end of the first resistor, the second resistor and the third resistor after being connected in series is connected with the cathode of the thyristor, one end of the second capacitor is connected with the cathode of the thyristor, the other end of the second capacitor is connected with the gate pole of the thyristor, and the gate pole of the thyristor is also connected between the second resistor and the third resistor.

Preferably, the first rectifying tube and the second rectifying tube are high-frequency rectifying tubes.

Preferably, the first capacitor is a supercapacitor.

Preferably, the second resistance is a variable resistor.

Preferably, the energy storage module includes boost charging circuit and lithium cell, boost charging circuit includes fourth resistance, fifth resistance, sixth resistance, seventh resistance, eighth resistance, ninth resistance, first triode, second triode, fifth rectifier, sixth rectifier, seventh rectifier, fourth electric capacity, fifth electric capacity, sixth electric capacity, seventh electric capacity, eighth electric capacity, transformer, opto-coupler, adjustable voltage regulator, zener diode and potentiometre, wherein:

the first end of the first primary coil of the transformer is connected with the first input end of the energy storage module, the second end of the first primary coil of the transformer is respectively connected with the collector of the first triode and the anode of the fifth rectifier tube, the cathode of the fifth rectifier tube is respectively connected with the first input end of the energy storage module through the eighth resistor and the fifth capacitor, one end of the fourth resistor is connected with the first input end of the energy storage module, the other end of the fourth resistor is respectively connected with the base of the first triode, the collector of the second triode and one end of the fifth resistor, the other end of the fifth resistor is connected with the first end of the second primary coil of the transformer through the fourth capacitor, and the second end of the second primary coil of the transformer is connected with the second input end of the energy storage module through the third capacitor, the anode of the sixth rectifier tube is connected with the second input end of the energy storage module, the cathode of the sixth rectifier tube is connected with the first end of the second primary coil of the transformer, the second end of the second primary coil is also connected with the first output end of the optocoupler, the second output end of the optocoupler is connected with the emitting electrode of the first triode through the sixth resistor, the emitting electrode of the first triode is also connected with the base electrode of the second triode through the sixth capacitor and the second input end of the energy storage module through the seventh resistor, the emitting electrode of the second triode is connected with the second input end of the energy storage module, the first end of the secondary coil of the transformer is connected with the anode of the seventh rectifier tube, the cathode of the seventh rectifier tube is connected with the voltage input pin of the adjustable voltage stabilizer, and the second end of the secondary coil of the transformer is connected with the anode of the zener diode, the negative pole of zener diode is connected the first input of opto-coupler, the second input of opto-coupler passes through the potentiometre is connected the voltage regulation foot of adjustable stabiliser, the second end of secondary coil still passes through ninth ohmic connection the voltage regulation foot of adjustable stabiliser, the voltage regulation foot of adjustable stabiliser still passes through eighth ohmic connection the voltage output foot of adjustable stabiliser, the voltage output foot of adjustable stabiliser still connects the positive pole of lithium cell, the negative pole of lithium cell is connected the second end of secondary coil, the one end of seventh electric capacity is connected the voltage output foot of adjustable stabiliser, the other end of seventh electric capacity is connected the second end of secondary coil, the eighth electric capacity with the lithium cell is parallelly connected.

Preferably, the adjustable voltage regulator is an LM317 adjustable voltage regulator.

Preferably, the ninth resistor is an adjustable resistor; the seventh capacitor and the eighth capacitor are electrolytic capacitors, the anode of the seventh capacitor is connected with the voltage input pin of the adjustable voltage stabilizer, and the anode of the eighth capacitor is connected with the anode of the lithium battery.

The utility model provides a little acoustic energy battery is used for turning into acoustic energy into the acoustoelectric conversion module of electric energy, is used for collecting through the setting the weak current of the electric energy that the acoustoelectric conversion module produced gathers the module and is used for storing the energy storage module of the electric energy that the module was collected is gathered to the weak current, more enough realizes the effective utilization to the acoustic energy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a micro-acoustic energy battery provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an acoustic-electric conversion module in a micro-acoustic energy battery provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a weak current accumulation module in a micro-acoustic energy battery provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an energy storage module in a micro-acoustic energy battery provided by an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a micro-acoustic energy battery according to an embodiment of the present invention. As shown in fig. 1, a micro-acoustic energy battery provided in an embodiment of the present invention includes an acoustic-electric conversion module 11, a weak current accumulation module 12, and an energy storage module 13, wherein an output end of the acoustic-electric conversion module 11 is connected to an input end of the weak current accumulation module 12, and an output end of the weak current accumulation module 12 is connected to the energy storage module 13; the acoustic-electric conversion module 11 is configured to convert acoustic energy into electric energy, the weak current accumulation module 12 is configured to collect the electric energy generated by the acoustic-electric conversion module, and the energy storage module 13 is configured to store the electric energy collected by the weak current accumulation module 12.

Referring to fig. 2, fig. 2 is a schematic diagram of an acoustic-electric conversion module in a micro-acoustic energy battery according to an embodiment of the present invention. As shown in fig. 2, this acoustoelectric conversion module mainly includes cylindrical magnetizer 22, annular permanent magnet 21, magnetic conduction resonance sheet 23 and high resistance coil RH, wherein, cylindrical magnetizer 22 is inserted and is established in annular permanent magnet 21, plug-and-play establish in the cavity in the middle of annular permanent magnet 21, and the lateral wall of cylindrical magnetizer 22 with certain distance of interval between the cavity wall (the inside wall of annular permanent magnet 21) of the cavity in the middle of annular permanent magnet 21, magnetic conduction resonance sheet 23 sets up cylindrical magnetizer 22 with on the annular permanent magnet 21, the one end of high resistance coil RH sets up on the magnetic conduction resonance sheet 23, the other end of high resistance coil RH is inserted and is established cylindrical magnetizer 22 with in the gap between the annular permanent magnet 21. Optionally, the high resistance coil RH is disposed perpendicular to the magnetic permeable resonance plate 23. The acoustoelectric conversion module comprises two high-resistance electromagnetic coils RH, and the two high-resistance electromagnetic coils RH can be symmetrically arranged relative to the cylindrical magnetizer 22. The magnetic resonance sheet 23 can vibrate under the action of sound waves and drive the high resistance coil RH to cut magnetic lines of force to generate voltage, so as to provide weak current for the weak current accumulation module.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a weak current accumulation module in a micro-acoustic energy battery according to an embodiment of the present invention. As shown in fig. 3, the weak current accumulation module includes a first rectifier VD1, a second rectifier VD2, a third rectifier VD3, a fourth rectifier VD4, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, and a thyristor VT, wherein:

the anode of the first rectifier tube VD1 is connected to the cathode of the third rectifier tube VD3, the cathode of the first rectifier tube VD1 is connected to the first output a of the weak current accumulation module, the anode of the third rectifier tube VD3 is connected to the cathode of the thyristor VT, the anode of the second rectifier tube VD1 is connected to the cathode of the fourth rectifier tube VD4, the cathode of the second rectifier tube VD2 is connected to the first output a of the weak current accumulation module, the anode of the fourth rectifier tube VD4 is connected to the cathode of the thyristor VT, one end of the high resistance coil RH is connected between the first rectifier tube VD1 and the third rectifier tube VD3, the other end of the high resistance coil RH is connected between the second rectifier tube VD2 and the fourth rectifier tube VD4, the anode of the thyristor VT is connected to the second output B of the weak current accumulation module, one end of the first capacitor C1 is connected to the first output of the weak current accumulation module, the other end of the first capacitor C1 is connected to the cathode of the thyristor VT, one end of the first resistor R1, the second resistor R2 and the third resistor R3 after being connected in series is connected to the first output end a of the weak current accumulation module, the other end of the first resistor R1, the second resistor R2 and the third resistor R3 after being connected in series is connected to the cathode of the thyristor VT, one end of the second capacitor C2 is connected to the cathode of the thyristor VT, the other end of the second capacitor C2 is connected to the gate of the thyristor VT, and the gate of the thyristor VT is further connected between the second resistor R1 and the third resistor R3. Optionally, the first rectifier tube VD1 and the second rectifier tube VD2 are high frequency rectifier tubes. The first capacitor C1 is a super capacitor. The second resistor R2 is a variable resistor. The weak current accumulation module can rectify weak alternating current transmitted by the sound-electricity conversion module into direct current to charge a super capacitor (namely, a first capacitor C1), the current is accumulated slowly along with the passage of time, the current is more and more, and when a preset value is reached, the thyristor VT is conducted, so that a boosting charging circuit in the energy storage module can work to charge a lithium battery in the energy storage module.

Referring to fig. 4, fig. 4 is a schematic structural diagram of an energy storage module in a micro-acoustic energy battery according to an embodiment of the present invention. As shown in fig. 4, the weak current accumulation module includes a boost charging circuit and a lithium battery, the boost charging circuit includes a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a first triode VT1, a second triode VT2, a fifth rectifier VD5, a sixth rectifier VD6, a seventh rectifier VD7, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a transformer T, an optical coupler OC, an adjustable regulator IC, a voltage regulator diode ZD1, and a potentiometer RP, wherein:

a first end of the first primary winding of the transformer T is connected to the first input end a of the energy storage module (i.e., the first output end a of the weak current accumulation module), a second end of the first primary winding of the transformer T is connected to the collector of the first transistor VT1 and the anode of the fifth rectifier VD5, the cathode of the fifth rectifier VD5 is connected to the first input end of the energy storage module through the eighth resistor R8 and the fifth capacitor C5, respectively, one end of the fourth resistor R4 is connected to the first input end of the energy storage module, the other end of the fourth resistor R4 is connected to the base of the first three-stage VT1 transistor, the collector of the second transistor VT2 and one end of the fifth resistor R5, the other end of the fifth resistor R5 is connected to the first end of the second primary winding of the transformer T through the fourth capacitor C4, the second end of the second primary winding of the transformer T is connected to the second input end B of the energy storage module (i.e. the second output end B of the weak current accumulation module) through the third capacitor C3, the anode of the sixth rectifier tube VD6 is connected to the second input end B of the energy storage module, the cathode of the sixth rectifier tube VD6 is connected to the first end of the second primary winding of the transformer T, the second end of the second primary winding is also connected to the first output end of the optocoupler OC, the second output end of the optocoupler OC is connected to the emitter of the first transistor VT1 through the sixth resistor R6, the emitter of the first transistor VT1 is further connected to the base of the second transistor VT2 through the sixth capacitor C6, the second input end B of the energy storage module through the seventh resistor R7, and the emitter of the second transistor VT2 is connected to the second input end B of the energy storage module, the first end of the secondary coil of the transformer T is connected with the anode of a seventh rectifier tube VD7, the cathode of the seventh rectifier tube VD7 is connected with the voltage input pin of the adjustable voltage stabilizer IC, the second end of the secondary coil of the transformer T is connected with the anode of a voltage stabilizing diode ZD1, the cathode of the voltage stabilizing diode ZD1 is connected with the first input end of the optical coupler OC, the second input end of the optical coupler OC is connected with the voltage adjusting pin of the adjustable voltage stabilizer IC through the potentiometer RP, the second end of the secondary coil is also connected with the voltage adjusting pin of the adjustable voltage stabilizer IC through the ninth resistor R9, the voltage adjusting pin of the adjustable voltage stabilizer IC is also connected with the voltage output pin of the adjustable voltage stabilizer IC through the eighth resistor R8, the voltage output pin of the adjustable voltage stabilizer IC is also connected with the anode of the lithium battery, and the cathode of the lithium battery is connected with the second end of the secondary coil, one end of the seventh capacitor C7 is connected to a voltage output pin of the adjustable voltage regulator IC, the other end of the seventh capacitor C7 is connected to the second end of the secondary coil, and the eighth capacitor C8 is connected in parallel with the lithium battery. Optionally, the adjustable voltage regulator IC is an LM317 adjustable voltage regulator. The ninth resistor R9 is an adjustable resistor; the seventh capacitor C7 and the eighth capacitor C8 are electrolytic capacitors, the anode of the seventh capacitor C7 is connected to the voltage input pin of the adjustable voltage regulator IC, and the anode of the eighth capacitor C8 is connected to the anode of the lithium battery. When current is input from the weak current accumulation module, the first triode VT1 generates oscillation, and alternating current is generated in the primary coil of the transformer T, so that induced current is generated in the secondary coil of the transformer T, and the lithium battery can be charged and stored through the voltage stabilizing module. The voltage stabilizing module specifically includes a circuit composed of an adjustable voltage regulator IC, a seventh rectifier VD7, a seventh capacitor C7, an eighth capacitor C8, an eighth resistor, a ninth resistor, and the like in fig. 4.

The utility model discloses having used for the reference and having built a dam on the river and come the thought that generates electricity in order to improve the water level, also having built the automatic bleeder circuit of electric current (mainly including weak current accumulation module and energy storage module) of a "dam" (can be called "dam technique") in the collection process of weak acoustic energy, improved the acoustoelectric transformation volume, satisfied the demand of low energy consumption, micropower electrical apparatus, thereby can make the utility model discloses realize energy-conserving, the purpose of environmental protection.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A micro-acoustic energy cell, comprising an acousto-electric conversion module, a weak electric accumulation module and an energy storage module, wherein:

the output end of the sound-electricity conversion module is connected with the input end of the weak current accumulation module, and the output end of the weak current accumulation module is connected with the energy storage module; the sound-electricity conversion module is used for converting sound energy into electric energy, the weak electricity accumulation module is used for collecting the electric energy generated by the sound-electricity conversion module, and the energy storage module is used for storing the electric energy collected by the weak electricity accumulation module;

the acoustoelectric conversion module comprises a cylindrical magnetizer, an annular permanent magnet, a magnetic resonance sheet and a high-resistance electromagnetic coil, wherein:

the cylindrical magnetizer is inserted into the annular permanent magnet, the magnetic resonance sheet is arranged on the cylindrical magnetizer and the annular permanent magnet, one end of the high-resistance electromagnetic coil is arranged on the magnetic resonance sheet, and the other end of the high-resistance electromagnetic coil is inserted into a gap between the cylindrical magnetizer and the annular permanent magnet;

weak current gathers module includes first rectifier tube, second rectifier tube, third rectifier tube, fourth rectifier tube, first electric capacity, second electric capacity, first resistance, second resistance, third resistance and thyristor, wherein:

the anode of the first rectifier tube is connected with the cathode of the third rectifier tube, the cathode of the first rectifier tube is connected with the first output end of the weak current accumulation module, the anode of the third rectifier tube is connected with the cathode of the thyristor, the anode of the second rectifier tube is connected with the cathode of the fourth rectifier tube, the cathode of the second rectifier tube is connected with the first output end of the weak current accumulation module, the anode of the fourth rectifier tube is connected with the cathode of the thyristor, one end of the high-resistance coil is connected between the first rectifier tube and the third rectifier tube, the other end of the high-resistance coil is connected between the second rectifier tube and the fourth rectifier tube, the anode of the thyristor is connected with the second output end of the weak current accumulation module, one end of the first capacitor is connected with the first output end of the weak current accumulation module, and the other end of the first capacitor is connected with the cathode of the thyristor, one end of the first resistor, one end of the second resistor and one end of the third resistor after being connected in series are connected with a first output end of the weak current accumulation module, the other end of the first resistor, the other end of the second resistor and the other end of the third resistor after being connected in series are connected with a cathode of the thyristor, one end of the second capacitor is connected with the cathode of the thyristor, the other end of the second capacitor is connected with a gate pole of the thyristor, and the gate pole of the thyristor is further connected between the second resistor and the third resistor.

2. The micro acoustic energy battery of claim 1, wherein the acousto-electric conversion module comprises two of the high resistance electromagnetic coils.

3. The micro acoustic energy battery of claim 1, wherein the first and second rectifying tubes are high frequency rectifying tubes.

4. The micro acoustic energy battery of claim 1, wherein the first capacitor is a super capacitor.

5. The micro-acoustic energy cell of claim 1, wherein the second resistance is a variable resistor.

6. The battery of claim 1, wherein the energy storage module comprises a boost charging circuit and a lithium battery, the boost charging circuit comprises a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first triode, a second triode, a fifth rectifier tube, a sixth rectifier tube, a seventh rectifier tube, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a transformer, an optical coupler, an adjustable regulator, a zener diode, and a potentiometer, wherein:

7. The micro-acoustic energy battery of claim 6, wherein the adjustable voltage regulator is an LM317 adjustable voltage regulator.

8. The micro acoustic energy battery of claim 6, wherein the ninth resistor is an adjustable resistor; the seventh capacitor and the eighth capacitor are electrolytic capacitors, the anode of the seventh capacitor is connected with the voltage input pin of the adjustable voltage stabilizer, and the anode of the eighth capacitor is connected with the anode of the lithium battery.