CN113890412A - Piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device - Google Patents
Piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device Download PDFInfo
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- CN113890412A CN113890412A CN202111202718.5A CN202111202718A CN113890412A CN 113890412 A CN113890412 A CN 113890412A CN 202111202718 A CN202111202718 A CN 202111202718A CN 113890412 A CN113890412 A CN 113890412A
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- 238000010248 power generation Methods 0.000 claims abstract description 31
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
Abstract
The application provides a power generation facility is caught to piezoelectricity-high-efficient noise energy of magnetic-electric combined type, including Helmholtz resonator, piezoelectric patches, permanent magnet and coil, wherein piezoelectric patches fixed mounting is at the roof upper surface of Helmholtz resonator, and the permanent magnet is fixed to be set up the upper surface at the piezoelectric patches, the outside at the permanent magnet is cup jointed to the coil, the side surface of Helmholtz resonator is provided with the radio reception mouth, and the both ends of coil are passed through the wire and are connected with the energy storage, be provided with interface circuit in the energy storage. According to the invention, the electric energy generated by the vibration of the piezoelectric plate and the electric energy generated by the vertical vibration of the permanent magnet on the inner side of the coil are stored in the storage battery through the interface circuit, so that the conversion of noise and electric energy is completed, the noise pollution is reduced, the energy is recovered, the energy is saved, the energy conservation and environmental protection are facilitated, the power after compounding is obviously improved, the loss of the electric energy is reduced, the output power is improved, and meanwhile, the output voltage is increased on the premise of not requiring external energy supply so as to meet the working requirements of more electronic devices.
Description
Technical Field
The application relates to the technical field of new energy power generation, in particular to a piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device.
Background
Noise is considered to be one of four major environmental problems worldwide, as it causes damage to hearing, induces various carcinogenic and fatal diseases, and interferes with people's life and work. If the noise can be collected and collected in places which can generate noise for a long time, such as highways, railways, docks, tunnels, airports, large factories and the like, and the noise is converted into electric energy to supply power to small electric equipment in the places, the noise pollution can be effectively reduced, the environment can be improved, the energy can be saved, more economic benefits can be created, and the method is an introduction with profound significance.
At present, in the research of noise power generation technology at home and abroad, a piezoelectric collecting device is mainly adopted to realize the conversion from sound energy to electric energy. Piezoelectric type noise power generation facility is at present more extensive, compares in the magnetoelectric type noise power generation facility, and its main advantage lies in simple structure, workable etc., but the noise power generation facility of single structure has the defect that energy recuperation efficiency is lower, and the generating efficiency is low, and in the research of piezoelectricity-magnetoelectric vibration energy recuperation, has the core problem that output power is less than the sum of piezoelectricity before compounding, magnetoelectric output power for output power is lower, is difficult to satisfy the work demand of different electronic device, and it is inconvenient to use.
Disclosure of Invention
The application provides a piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device, which aims to solve the problems.
The invention is particularly such that: the utility model provides a power generation facility is caught to piezoelectricity-high-efficient noise energy of magnetic-electric combined type, includes Helmholtz resonator, piezoelectric patches, permanent magnet and coil, and wherein piezoelectric patches fixed mounting is on the roof upper surface of Helmholtz resonator, and the permanent magnet is fixed to be set up the upper surface at the piezoelectric patches, the outside at the permanent magnet is cup jointed to the coil, the side surface of Helmholtz resonator is provided with the radio reception mouth, and the both ends of coil are passed through the wire and are connected with the accumulator, be provided with interface circuit in the accumulator, interface circuit includes two diodes, two electric capacity, an alternating current power supply and load, the electrode that electrode and coil that the piezoelectric patches were drawn forth links to each other with interface circuit's input after parallelly connected, and interface circuit's output links to each other with the battery that sets up in the accumulator.
As a preferable technical scheme of the invention, the Helmholtz resonator is made of stainless steel, and the thickness of a top plate of the Helmholtz resonator is less than or equal to 0.2 mm.
As a preferable technical scheme of the invention, the radio port is provided with a connecting ring, one side surface of the connecting ring is provided with a clamping groove I, the connecting ring is clamped on the radio port through the clamping groove I, the other side surface of the connecting ring is provided with a horn-shaped radio barrel, the radio barrel comprises a plurality of concentric circular plates with different diameters, and adjacent circular plates can be bent.
As a preferable technical scheme of the present invention, a circular extension plate is sleeved on an outer side of a largest circular plate of the sound receiving tube, and a clamping groove ii for clamping with the circular plate is formed on a side surface of the extension plate.
As a preferable technical scheme of the invention, a display screen and an indicator lamp are respectively arranged on the side surface of the energy accumulator, and the display screen and the indicator lamp are both powered by a storage battery.
As a preferred technical scheme, the Helmholtz resonator and the energy accumulator are both arranged on a carrying platform, wheel carriers are uniformly arranged on the lower surface of the carrying platform, universal wheels and foot brakes are respectively arranged on the wheel carriers, and two handles are symmetrically arranged on the two side surfaces of the carrying platform in a fixed and symmetrical mode.
As a preferable technical proposal of the invention, the carrying platform is provided with a lifting mechanism, the lifting mechanism comprises four guide rods fixedly arranged at four corners of the upper surface of the carrying platform, a lifting plate is arranged on the guide rods in a sliding way, the Helmholtz resonator and the energy accumulator are both arranged on the lifting plate, the outer side surface of the upper part of the guide rod is fixedly provided with a limit block, the top end of the guide rod is fixedly provided with an installation plate, the upper surface of the installation plate is symmetrically provided with a driving motor, an output shaft of the driving motor is fixedly connected with a take-up pulley, a lifting rope is wound on the take-up pulley, two connecting blocks are symmetrically arranged on two sides of the upper surface of the lifting plate, the end parts of the two lifting ropes are respectively connected with the two connecting blocks, one handle is provided with a motor switch, the input end of the driving motor is electrically connected with the output end of the motor switch, and the input end of the motor switch is electrically connected with the output end of the built-in battery arranged in the carrying platform.
In a preferred embodiment of the present invention, the lifting plate is provided with a wire accommodating mechanism, the wire accommodating mechanism includes an accommodating groove formed in a side surface of the lifting plate, a screw is fixedly provided on an inner side surface of the accommodating groove, a threaded sleeve is threadedly connected to an outer side of the screw, a circular plate is fixedly provided at an end of the threaded sleeve, a wire guide hole is formed in a side surface of the circular plate, a rotating handle is rotatably provided on an outer side surface of the circular plate, and a circular plate groove corresponding to the circular plate is formed in a position of the side surface of the lifting plate located outside the accommodating groove.
As a preferable aspect of the present invention, the outer peripheral surface of the threaded sleeve is uniformly fixedly provided with the dogs.
The invention has the beneficial effects that:
1. according to the piezoelectric-magnetoelectric combined type high-efficiency noise energy capturing and generating device disclosed by the invention, the electric energy generated by the vibration of the piezoelectric sheet and the electric energy generated by the vertical vibration of the permanent magnet on the inner side of the coil are stored in the storage battery through the interface circuit, so that the conversion of noise and electric energy is completed, the noise pollution is reduced, the energy is recovered, the energy is saved and the environment is protected, the power after the combination is obviously improved, the loss of the electric energy is reduced, the output power is improved, and meanwhile, the output voltage is increased to meet the working requirements of more electronic devices on the premise of not requiring external energy supply.
2. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device disclosed by the invention adopts a voltage doubling circuit, can convert alternating current output by the device into direct current, and can improve the recovery efficiency of the device; the circuit is based on the rectification of diodes and the guiding effect on current, stores the voltages in respective capacitors, and then adds them together according to the principle of polar series connection, so that the output voltage is higher than the input voltage.
3. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device can enlarge the size of a sound receiving opening by installing the sound receiving barrel, so that the noise collecting efficiency is improved, and the connecting ring is connected in a clamping manner, is convenient to assemble and disassemble and is convenient to replace and maintain.
4. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device disclosed by the invention is wide in application range, can be freely moved and parked through the carrying platform, can be moved to a corresponding noise source to collect and generate power at any time, and the lifting mechanism on the carrying platform can adjust the height of the generating device so as to be suitable for the noise sources with different heights, so that the piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device is simple to operate and convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device provided by the present application;
fig. 2 is a schematic side view of the piezoelectric-magnetoelectric combined type high-efficiency noise energy capturing power generation apparatus provided in the present application;
fig. 3 is a schematic structural diagram of the piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device provided by the present application after a sound receiving tube is installed;
fig. 4 is a schematic structural diagram of a sound-collecting tube of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device provided by the present application;
fig. 5 is a schematic structural diagram of an extension plate of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation apparatus provided by the present application;
fig. 6 is a schematic structural diagram of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device provided by the present application, which is mounted on a carrying platform;
FIG. 7 is a schematic side view of the piezoelectric-magnetoelectric combined type high-efficiency noise energy capturing power generation device shown in FIG. 6;
fig. 8 is a schematic view of a state of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device provided by the present application when the device is installed at the lowest position on a carrying platform;
fig. 9 is an enlarged view of a structure at a position a of fig. 7 of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation apparatus provided by the present application;
fig. 10 is a schematic structural diagram of a wire storage mechanism of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation apparatus provided by the present application;
fig. 11 is an interface circuit diagram of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation apparatus provided by the present application;
fig. 12 is a piezoelectric-magnetoelectric parallel power generation equivalent circuit diagram of the piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device provided by the present application.
Icon:
1Helmholtz resonator, 11 piezoelectric sheets, 12 permanent magnets, 13 coils, 14 fixing sheets and 15 fixing bolts;
2, a sound receiving port, 21 connecting rings, 22 sound receiving cylinders, 23 clamping grooves I, 24 extending plates and 25 clamping grooves II;
3, an energy storage device, a 31 display screen and a 32 indicator light;
4 carrying a platform, a handle 41, a universal wheel 42 and a foot brake 43;
5 guide rods, 51 lifting plates, 52 limiting blocks, 53 mounting plates, 54 driving motors, 55 take-up pulleys, 56 lifting ropes, 57 connecting blocks and 58 motor switches;
6 wire receiving mechanisms, 61 receiving grooves, 62 circular plate grooves, 63 threaded sleeves, 64 clamping blocks, 65 circular plates, 66 rotating handles and 67 wire guiding holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
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.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. 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.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In a first embodiment, please refer to fig. 1-3 and 11-12, the present application provides a piezoelectric-magnetoelectric combined type high-efficiency noise energy capturing power generation apparatus, which includes a Helmholtz resonator 1, a piezoelectric plate 11, a permanent magnet 12 and a coil 13, wherein the piezoelectric plate 11 is fixedly installed on the top surface of the Helmholtz resonator 1, the permanent magnet 12 is fixedly installed on the top surface of the Helmholtz resonator 11, the coil 13 is sleeved on the outer side of the permanent magnet 12, a sound receiving port 2 is installed on the side surface of the Helmholtz resonator 1, the sound receiving port 2 is aligned to a noise source and is used for collecting noise into the Helmholtz resonator 1, two ends of the coil 13 are connected with an energy storage 3 through wires, when sound pressure is injected into the Helmholtz resonator 1, the sound storage is amplified in a cavity and causes the Helmholtz resonator 1 to vibrate, the piezoelectric plate 11 and the permanent magnet 12 are driven to vibrate synchronously, an interface circuit is installed in the energy storage 3, the interface circuit includes two diodes, a plurality of the piezoelectric circuit, The power supply comprises two capacitors, an alternating current power supply and a load, wherein an electrode led out by a piezoelectric plate 11 and an electrode led out by a coil 13 are connected in parallel and then are connected with an input end of an interface circuit, an output end of the interface circuit is connected with a storage battery arranged in an energy accumulator 3, electric energy generated by vibration of the piezoelectric plate 11 and electric energy generated by vertical vibration of a permanent magnet 12 on the inner side of the coil 13 are stored in the storage battery through the interface circuit, and the conversion of noise and electric energy is completed.
Further, the week side surface of piezoelectric patch 11 is provided with stationary blade 14, has seted up the screw on the stationary blade 14, and screw female connection has fixing bolt 15, and piezoelectric patch 11 can be through fixing bolt 15 on the fixed Helmholtz resonator 1 that sets up to in order to change promptly.
Preferably, the Helmholtz resonator 1 is made of stainless steel, and the thickness of a top plate of the Helmholtz resonator 1 is less than or equal to 0.2mm, that is, the top plate of the Helmholtz resonator 1 is a thin plate, when sound pressure is injected into the resonator, the sound pressure is amplified in the cavity and causes the resonator to vibrate, and the vibration acts on the thin plate at the top of the cavity, so that the piezoelectric plate and the permanent magnet synchronously vibrate.
Furthermore, the Helmholtz resonator is formed by communicating a short pipe (namely a sound receiving port 2) with the sectional area of S and the length of l with a cavity with the volume of V, and the resonance frequency is as follows:
l0＝ln+Δl
wherein: c is the average acoustic velocity in the resonator, |0The effective length of the inlet stub; Δ l is 1.7a, which is a radius of the short tube (i.e., sound pickup 2), and is a length correction performed in consideration of the flow effect of the gas in the vicinity of the short tube.
When the frequency of the incident sound wave is close to the natural frequency of the Helmholtz resonator, the incident sound pressure is amplified in the cavity of the resonator, and the vibration of the resonator is caused. Since the stainless steel plate is thick except for the top surface, vibration is mainly concentrated on the top thin plate. The piezoelectric piece is attached to the surface of the thin plate, the vibration of the thin plate causes the piezoelectric piece to vibrate, and mechanical energy is converted into electric energy based on the positive piezoelectric effect of the piezoelectric piece. The piezoelectric sheet can drive the permanent magnet to vibrate up and down while vibrating, relative displacement is generated between the permanent magnet and the coil, and electric energy can be output from the coil due to induced electromotive force generated by magnetic flux change, so that the electric energy is output to an interface circuit for storage or power supply after sound-electricity conversion.
Fig. 11 is a diagram of an interface circuit of the present invention, which is a voltage doubling circuit including two diodes, two capacitors, an ac power supply and a load, with an input terminal connected to the parallel piezoelectric-magnetoelectric portions and an output terminal connected to a battery.
The voltage doubling circuit can convert alternating current output by the device into direct current and can improve the recovery efficiency of the device. The circuit is based on the rectification of diodes and the guiding effect on current, stores the voltages in respective capacitors, and then adds them together according to the principle of polar series connection, so that the output voltage is higher than the input voltage.
The specific principle is as follows: in the positive half cycle of the power voltage, the power supply is composed of an AC power supply and C1、C2Forming a closed loop with voltage passing through diode D1Capacitor C2Charging until C2The voltage at two ends reaches the voltage peak value Um(ii) a At negative half cycle, the voltage passes through D2To C2Charging to UmAfter a few cycles, C1And C2The voltage at two ends is gradually stabilized at 2Um. The circuit uses two diodes, reduces the loss of electric energy, improves the output power, and simultaneously raises the output voltage to meet the working requirements of more electronic devices on the premise of not needing external energy supply.
Fig. 12 is a parallel power generation equivalent circuit diagram of the present invention, the left half is a piezoelectric element, the middle is a magnetoelectric element, and the rightmost is a load. According to the phase, the electrodes at the two ends of the piezoelectric sheet are connected with the two ends of the coil in parallel, and the load or energy interface circuit is connected with the two ends of the circuit after the parallel connection.
When the piezoelectric and electromagnetic parts are in parallel connection to generate power, the optimal load and the maximum output power are as follows:
further, the coil 13 is fixed above the Helmholtz resonator 1 by a clamp at 0.5cm, and an electrode is led out from the coil and connected with an interface circuit.
The working principle of the invention is as follows:
when sound pressure is emitted into the Helmholtz resonator 1, the sound pressure is amplified in the cavity, the resonator is caused to vibrate and acts on a thin plate at the top of the cavity, the thin plate vibrates to cause the piezoelectric sheet to vibrate, and mechanical energy is converted into electric energy based on the positive piezoelectric effect of the piezoelectric sheet. The piezoelectric sheet can drive the permanent magnet to vibrate up and down while vibrating, relative displacement is generated between the piezoelectric sheet and the coil, and electric energy can be output from the coil due to induced electromotive force generated by magnetic flux change, so that the piezoelectric sheet is connected into an interface circuit after sound-electricity conversion is realized. Based on the rectification of the diode and the guiding effect on the current, the voltages are respectively stored in respective capacitors, and then are superposed together according to the principle that the polarities are connected in series, so that the output voltage is higher than the input voltage to improve the energy recovery efficiency.
Referring to fig. 3-5, the second embodiment is substantially the same as the first embodiment except that: be provided with go-between 21 on the radio reception mouth 2, draw-in groove I23 has been seted up on the side surface of go-between 21, and go-between 21 passes through draw-in groove I23 joint on radio reception mouth 2, and the opposite side surface of go-between 21 is provided with the radio reception section of thick bamboo 22 of loudspeaker form, can enlarge the size of radio reception mouth through installation radio reception section of thick bamboo 22 to improve noise collection efficiency, go-between 21 adopts the mode of joint to connect, easy dismounting is convenient for change and maintenance.
Further, the radio receiver 22 comprises a plurality of concentric circular plates with different diameters, the adjacent circular plates can be bent, and the radio receiver 22 can be stored through bending of the circular plates, so that the radio receiver is more convenient to use.
Preferably, the annular extension plate 24 is sleeved on the outer side of the largest circular plate on the sound receiving tube 22, a clamping groove ii 25 for clamping with the circular plate is formed in the side surface of the extension plate 24, and the extension plate 24 can further enlarge the size of the sound receiving opening and is mainly used for improving the efficiency of collecting noise, so that the power generation efficiency is improved.
Preferably, the side surface of energy storage 3 is provided with display screen 31 and pilot lamp 32 respectively, display screen 31 and pilot lamp 32 are supplied power by the battery, and energy storage 3 mainly includes shell, built-in battery, contains interface circuit's circuit board, display screen 31 and pilot lamp 32 etc. and wherein display screen 31 and pilot lamp 32 are used for visual operation, and the staff of being convenient for looks over at any time and knows power generation facility's operating condition.
Referring to fig. 6 to 8, the third embodiment is substantially the same as the second embodiment except that: helmholtz resonator 1 and energy storage 3 all install on carrying platform 4, carrying platform 4's lower surface evenly is provided with the wheel carrier, install universal wheel 42 and service brake 43 on the wheel carrier respectively, carrying platform 4's both sides fixed surface's symmetry is provided with two handles 41, and handle 41 can also play protection and spacing effect to Helmholtz resonator 1 and energy storage 3 except being convenient for push-and-pull carrying platform 4.
The power generation device can be conveniently moved and parked through the simple carrying platform 4, is particularly suitable for workshops working intermittently in factories and the like, and improves the use flexibility.
Referring to fig. 6 to 8, the fourth embodiment is substantially the same as the third embodiment except that: the lifting mechanism is arranged on the carrying platform 4 and comprises four guide rods 5 fixedly arranged at four corners of the upper surface of the carrying platform 4, a lifting plate 51 is arranged on each guide rod 5 in a sliding manner, the Helmholtz resonator 1 and the energy accumulator 3 are arranged on the lifting plate 51, a mounting plate 53 is fixedly arranged at the top end of each guide rod 5, a driving motor 54 is symmetrically arranged on the upper surface of the mounting plate 53, an output shaft of the driving motor 54 is fixedly connected with a take-up pulley 55, a lifting rope 56 is wound on the take-up pulley 55, two connecting blocks 57 are symmetrically arranged on two sides of the upper surface of the lifting plate 51, the end parts of the two lifting ropes 56 are respectively connected with the two connecting blocks 57, a motor switch 58 is arranged on one handle 41, the input end of the driving motor 54 is electrically connected with the output end of the motor switch 58, the input end of the motor switch 58 is electrically connected with the output end of an internal battery arranged inside the carrying platform 4, when the height of the power generation device needs to be adjusted, the corresponding motor switch 58 is pressed, the driving motor 54 is turned on, the driving motor 54 drives the take-up pulley 55 to rotate through the output shaft, and the lifting rope 56 is put down or put up, so that the lifting plate 51 descends or ascends along the guide rod 5, the height of the power generation device is adjusted, and the power generation device is suitable for noise sources with different heights, and is simple to operate and convenient to use.
Further, the driving motor 54 and the take-up pulley 55 in this embodiment may be replaced by a manual rocking wheel or other manual lifting driving device.
Further, a limiting block 52 is fixedly arranged on the outer side surface of the upper portion of the guide rod 5, and the distance between the limiting block 52 and the mounting plate 53 is larger than the height between the Helmholtz resonator 1 and the permanent magnet 12, and is used for limiting the lifting plate 51.
In the fifth embodiment, referring to fig. 9-10, the present embodiment is substantially the same as the fourth embodiment except that: the lifting plate 51 is provided with a wire accommodating mechanism 6, the wire accommodating mechanism 6 comprises an accommodating groove 61 arranged on the side surface of the lifting plate 51, a wire used for supplying power on the energy accumulator 3 penetrates out of the accommodating groove 61, the inner side surface of the accommodating groove 61 is fixedly provided with a screw rod, the outer side of the screw rod is in threaded connection with a threaded sleeve 63, the end part of the threaded sleeve 63 is fixedly provided with a circular plate 65, the side surface of the circular plate 65 is provided with a wire hole 67 used for penetrating out of the wire used for supplying power on the energy accumulator 3, the outer side surface of the circular plate 65 is rotatably provided with a rotating handle 66, the wire used for supplying power on the energy accumulator 3 is wound on the outer side of the threaded sleeve 63, the threaded sleeve 63 rotates and moves on the screw rod by rotating the handle 66 clockwise or anticlockwise, the threaded sleeve 63 accommodates or releases the wire when rotating, and the threaded sleeve 63 moves outwards when releasing the wire, the outgoing lead is convenient to be connected with an external electronic device, and the power supply function is realized; screw sleeve 63 inwards moves when accomodating the wire, withdraws the wire to accomodate groove 61 when winding the wire back, and easy operation can avoid the wire to influence the use outward simultaneously, has played the guard action to the wire.
Preferably, the outer circumferential surface of the threaded sleeve 63 is uniformly and fixedly provided with the locking blocks 64, the locking blocks 64 are mainly used for improving the friction force between the wire and the threaded sleeve 63 so as to avoid slipping and the like and avoid difficult storage and winding, and meanwhile, the locking blocks 64 can also be replaced by spiral lines so that the wire can be locked in the spiral groove.
Further, a circular plate groove 62 corresponding to the circular plate 65 is formed in the outer side of the storage groove 61 on the side surface of the lifting plate 51, and when the screw sleeve 63 is completely screwed to the screw, that is, after the storage is completed, the circular plate 65 is fitted into the circular plate groove 62, thereby completing the storage of the lead wire, and the lifting plate 51 after the lead wire is stored is more beautiful and not messy.
The driving motor 54, the piezoelectric sheet 11, the built-in battery, the storage battery, the display screen 31, the indicator light 32 and the like used in the present invention are all common electronic components in the prior art, and the working mode and the circuit structure thereof are all known technologies, and are not described herein again.
The parts which are not disclosed in the invention are all the prior art, and the specific structure, the materials and the working principle are not detailed.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a power generation facility is caught to piezoelectricity-high-efficient noise energy of magnetic-electric combined type, a serial communication port, including Helmholtz resonator (1), piezoelectric patches (11), permanent magnet (12) and coil (13), wherein piezoelectric patches (11) fixed mounting is on the roof upper surface of Helmholtz resonator (1), and permanent magnet (12) are fixed to be set up the upper surface at piezoelectric patches (11), coil (13) cup joint the outside at permanent magnet (12), the side surface of Helmholtz resonator (1) is provided with radio reception mouth (2), and the both ends of coil (13) are passed through the wire and are connected with accumulator (3), be provided with interface circuit in accumulator (3), interface circuit includes two diodes, two electric capacity, an alternating current power supply and load, the electrode that piezoelectric patches (11) were drawn forth links to each other with interface circuit's input after electrode is parallelly connected, the output end of the interface circuit is connected with a storage battery arranged in the energy storage device (3).
2. The piezoelectric-magnetoelectric composite type efficient noise energy capturing power generation device according to claim 1, wherein the Helmholtz resonator (1) is made of stainless steel, and the thickness of a top plate of the Helmholtz resonator (1) is less than or equal to 0.2 mm.
3. The piezoelectric-magnetoelectric combined type high-efficiency noise energy capturing and generating device is characterized in that a connecting ring (21) is arranged on the sound receiving port (2), a clamping groove I (23) is formed in one side surface of the connecting ring (21), the connecting ring (21) is connected to the sound receiving port (2) in a clamping mode through the clamping groove I (23), a horn-shaped sound receiving barrel (22) is arranged on the other side surface of the connecting ring (21), the sound receiving barrel (22) comprises a plurality of concentric circular plates with different diameters, and the adjacent circular plates can be bent.
4. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device according to claim 3, wherein an annular extension plate (24) is sleeved on the outer side of the largest circular plate on the sound receiving tube (22), and a clamping groove II (25) for clamping the circular plate is formed in the side surface of the extension plate (24).
5. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device according to claim 1, wherein a display screen (31) and an indicator light (32) are respectively arranged on the side surface of the energy accumulator (3), and the display screen (31) and the indicator light (32) are both powered by a storage battery.
6. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device is characterized in that the Helmholtz resonator (1) and the energy accumulator (3) are both installed on the carrying platform (4), the lower surface of the carrying platform (4) is uniformly provided with a wheel carrier, the wheel carrier is respectively provided with a universal wheel (42) and a foot brake (43), and two handles (41) are symmetrically arranged on the two side surface fixing parts of the carrying platform (4).
7. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device according to claim 6, wherein the carrying platform (4) is provided with a lifting mechanism, the lifting mechanism comprises four guide rods (5) fixedly arranged at four corners of the upper surface of the carrying platform (4), a lifting plate (51) is arranged on the guide rods (5) in a sliding manner, the Helmholtz resonator (1) and the energy accumulator (3) are both arranged on the lifting plate (51), a limiting block (52) is fixedly arranged on the outer surface of the upper part of the guide rods (5), a mounting plate (53) is fixedly arranged at the top end of the guide rods (5), a driving motor (54) is symmetrically arranged on the upper surface of the mounting plate (53), an output shaft of the driving motor (54) is fixedly connected with a take-up pulley (55), a lifting rope (56) is wound on the take-up pulley (55), two connecting blocks (57) are symmetrically arranged on two sides of the upper surface of the lifting plate (51), the end parts of the two lifting ropes (56) are respectively connected with the two connecting blocks (57), a motor switch (58) is arranged on one handle (41), the input end of the driving motor (54) is electrically connected with the output end of the motor switch (58), and the input end of the motor switch (58) is electrically connected with the output end of a built-in battery arranged in the carrying platform (4).
8. The piezoelectric-magnetoelectric combined type efficient noise energy capturing and generating device according to claim 7, wherein a lead accommodating mechanism (6) is arranged on the lifting plate (51), the lead accommodating mechanism (6) comprises an accommodating groove (61) formed in the side surface of the lifting plate (51), a screw is fixedly arranged on the inner side surface of the accommodating groove (61), a threaded sleeve (63) is connected to the outer side of the screw in a threaded manner, a circular plate (65) is fixedly arranged at the end of the threaded sleeve (63), a lead hole (67) is formed in the side surface of the circular plate (65), a rotating handle (66) is rotatably arranged on the outer side surface of the circular plate (65), and a circular plate groove (62) corresponding to the circular plate (65) is formed in the position, outside the accommodating groove (61), of the side surface of the lifting plate (51).
9. The piezoelectric-magnetoelectric combined type efficient noise energy capturing power generation device according to claim 8, wherein fixture blocks (64) are uniformly and fixedly arranged on the outer peripheral side surface of the threaded sleeve (63).
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Cited By (1)
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| CN115252975A (en) * | 2022-07-29 | 2022-11-01 | 珠海格力电器股份有限公司 | Atomizer control method and device, atomizer and storage medium |
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