CN209217807U - A kind of power supply unit penetrating liquid based on ultrasonic wave - Google Patents
A kind of power supply unit penetrating liquid based on ultrasonic wave Download PDFInfo
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- CN209217807U CN209217807U CN201920152435.6U CN201920152435U CN209217807U CN 209217807 U CN209217807 U CN 209217807U CN 201920152435 U CN201920152435 U CN 201920152435U CN 209217807 U CN209217807 U CN 209217807U
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Abstract
A kind of power supply unit penetrating liquid based on ultrasonic wave, including power supply unit, power supply unit is connect with inversion unit, inversion unit is connect by single compensation unit with ultrasonic transmitting element, ultrasonic transmitting element transfers energy to ultrasonic wave receiving unit by energy carrier of ultrasonic wave, ultrasonic wave receiving unit is connect with electricity collection unit, electricity collection unit is connect by second compensation unit with rectifying and wave-filtering voltage regulation unit, rectifying and wave-filtering voltage regulation unit is connect with energy-storage units, and energy-storage units and load connect；Transmission medium between the ultrasonic transmitting element and ultrasonic wave receiving unit is liquid.The problem of present apparatus wireless power transmission mode strong directionality, energy based on ultrasound is concentrated and electromagnetic interference is not present, there is very big advantage in terms of energy transmission.
Description
Technical field
The utility model belongs to wireless power transmission technical field, in particular to a kind of confession that liquid is penetrated based on ultrasonic wave
Electric installation.
Background technique
Traditional electric energy transmission is mainly that the direct contact of conducting wire is transmitted.However it is past when powering to underwater equipment
Toward many problems can be encountered, such as can generate in transmission process contact sparking, set off an explosion, cause a serious accident drawback.Again
Person, solar energy can not power to underwater equipment.Wireless power mode based on wireless power transmission technology, power supply and electricity consumption
It is not in electrical contact directly between equipment, thus it is possible to prevente effectively from the above problem that conductive contact generates.It is ground from both domestic and external
From the point of view of studying carefully status, wireless power transmission mode at this stage is mainly induction and resonance manifold type, with magnetic field or electric field
As transmission medium, using electromagnetic induction or alternating electric field, induced current or displacement current are generated on the receiver, realizes energy
Wireless transmission.But the distance that both modes are transmitted is limited.
Utility model content
In view of technical problem present in background technique, one kind provided by the utility model penetrates liquid based on ultrasonic wave
Power supply unit, present apparatus wireless power transmission mode strong directionality, energy based on ultrasound is concentrated and there is no electromagnetic interferences
Problem has very big advantage in terms of energy transmission.
In order to solve the above-mentioned technical problem, the utility model takes following technical solution to realize:
A kind of power supply unit being penetrated liquid based on ultrasonic wave, including power supply unit, power supply unit are connect with inversion unit,
Inversion unit is connect by single compensation unit with ultrasonic transmitting element, and ultrasonic transmitting element is using ultrasonic wave as energy carrier
Ultrasonic wave receiving unit is transferred energy to, ultrasonic wave receiving unit is connect with electricity collection unit, and electricity collection unit passes through
Second compensation unit is connect with rectifying and wave-filtering voltage regulation unit, and rectifying and wave-filtering voltage regulation unit is connect with energy-storage units, energy-storage units with
Load connection；
Power supply unit output end is connect with inversion unit input terminal, inversion unit output end and single compensation unit input terminal
Connection, single compensation unit output end are connect with ultrasonic wave receiving unit input terminal；Above-mentioned connection relationship constitutes whole device
Energy-emitting portion；
Ultrasonic wave receiving unit output end is connect with electricity collection unit input terminal, electricity collection unit output end with it is secondary
The connection of compensating unit input terminal, second compensation unit output end are connect with rectifying and wave-filtering voltage regulation unit input terminal, and rectifying and wave-filtering is steady
Pressure unit output end is connect with energy-storage units input terminal, and energy-storage units output end and load connect；Above-mentioned connection relationship constitutes
The energy receiving portion of whole device.
In preferred scheme, the energy converter of the ultrasonic transmitting element and ultrasonic wave receiving unit is cymbal piezoelectricity
The cymbal PZT (piezoelectric transducer) of energy converter, ultrasonic transmitting element converts electrical energy into machinery by the inverse piezoelectric effect of piezoelectric ceramics
Vibration generates ultrasonic wave；Ultrasonic wave receiving unit receives the ultrasonic wave of ultrasonic transmitting element transmission, then passes through piezoelectric ceramics
Mechanical energy is converted to electric energy by piezoelectric effect.
In preferred scheme, said supply unit is photovoltaic panel or battery DC power supply, and power supply unit passes through inverse
Become the alternating current that unit converts direct current to high frequency.
In preferred scheme, the high-frequency ac electric frequency of the inversion unit output is at least 20000Hz.
In preferred scheme, the electricity collection unit uses the charge amplifier in two channels.
In preferred scheme, using the monolithic of the chip of OPA602 model and STM32 model in the charge amplifier
Machine.
In preferred scheme, the intensity of the monolithic machine testing charge signal of the STM32 model.
In preferred scheme, the cymbal PZT (piezoelectric transducer) output end of the ultrasonic wave receiving unit includes two channels, institute
Two channels are stated to connect with electricity collection unit input terminal.
Transmission medium between the ultrasonic transmitting element and ultrasonic wave receiving unit is liquid matter.
This patent can reach it is following the utility model has the advantages that
1, the problem of wireless power transmission mode strong directionality, energy based on ultrasound is concentrated and electromagnetic interference is not present,
There is very big advantage in terms of energy transmission；
2, direct current not only can be switched to alternating current by inversion unit, can also change power frequency to 20000Hz or more,
Carry out excitation ultrasound wave；
3, electricity collection unit uses the charge amplifier in two channels, can generate the quantity of electric charge according to PZT (piezoelectric transducer)
Difference selects different channels, so that control circuit converting sensitivity, improves the efficiency of charge amplifier；
4, OPA602 chip is used in charge amplifier, has the characteristics that high input impedance, low drift collection；
5, single-chip microcontroller selects STM32, with high-performance, strong real-time, and low-power consumption, the advantages that being convenient for low voltage operating, together
When be also easy to develop.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is Tthe utility model system logic chart；
Fig. 2 is the utility model cymbal PZT (piezoelectric transducer) structural schematic diagram；
Fig. 3 is the utility model Energy-emitting portion equivalent circuit diagram；In figure, U is DC power supply, and C0, R0 are piezoelectricity pottery
The equivalent circuit diagram of porcelain, L0, R1, C1 are the equivalent circuit diagram of PZT (piezoelectric transducer), and Z1 is single compensation impedance, and A is charge amplification
Device；
Fig. 4 is the utility model energy receiving portion equivalent circuit diagram；In figure, Q is the quantity of electric charge of piezoelectric ceramics, and C is used to
Electricity is stored, L1, R, C4 are the equivalent circuit diagram of PZT (piezoelectric transducer), and A is charge amplifier, and Z2 is second compensation impedance, and C5 is
Filter capacitor.
Specific embodiment
Preferred scheme is as shown in Figure 1, a kind of power supply unit for penetrating liquid based on ultrasonic wave, including power supply unit 1, supplies
Electric unit 1 is connect with inversion unit 8, and inversion unit 8 is connect by single compensation unit 2 with ultrasonic transmitting element 3, ultrasonic wave
Transmitting unit 3 transfers energy to ultrasonic wave receiving unit 4, ultrasonic wave receiving unit 4 and electric energy by energy carrier of ultrasonic wave
Collector unit 9 connects, and electricity collection unit 9 is connect by second compensation unit 5 with rectifying and wave-filtering voltage regulation unit 6, rectifying and wave-filtering
Voltage regulation unit 6 is connect with energy-storage units 7, and energy-storage units 7 and load connect；The ultrasonic transmitting element 3 receives with ultrasonic wave
Transmission medium between unit 4 is liquid matter, and the medium is either seawater, fresh water etc.；
1 output end of power supply unit is connect with 8 input terminal of inversion unit, and 8 output end of inversion unit and single compensation unit 2 are defeated
Enter end connection, 2 output end of single compensation unit is connect with 4 input terminal of ultrasonic wave receiving unit；Above-mentioned connection relationship constitutes whole
The Energy-emitting portion of a device；
4 output end of ultrasonic wave receiving unit is connect with 9 input terminal of electricity collection unit, 9 output end of electricity collection unit with
The connection of 5 input terminal of second compensation unit, 5 output end of second compensation unit are connect with 6 input terminal of rectifying and wave-filtering voltage regulation unit, are rectified
6 output end of filtering voltage regulation unit is connect with 7 input terminal of energy-storage units, and 7 output end of energy-storage units and load connect；Above-mentioned connection is closed
System constitutes the energy receiving portion of whole device；
Rectifying and wave-filtering voltage regulation unit 6 exports direct current powering load, can be stored into extra electric energy when electric energy abundance
Energy-storage units 7, so as to power supply next time, the energy-storage units 7 can be lithium battery group.
Preferred scheme as shown in Fig. 2, the ultrasonic transmitting element 3 and ultrasonic wave receiving unit 4 energy converter
Cymbal PZT (piezoelectric transducer) for cymbal PZT (piezoelectric transducer), ultrasonic transmitting element 3 will be electric by the inverse piezoelectric effect of piezoelectric ceramics
Mechanical oscillation can be converted to, ultrasonic wave is generated；Ultrasonic wave receiving unit 4 receives the ultrasonic wave of the transmission of ultrasonic transmitting element 3, then
Mechanical energy is converted to electric energy by the piezoelectric effect of piezoelectric ceramics；
Above-mentioned PZT (piezoelectric transducer) selects cymbal PZT (piezoelectric transducer), big and clever with small in size, light-weight, vibration displacement
The advantages that sensitivity is high；Under identical excitation, cymbal structure PZT (piezoelectric transducer) is 40 times higher than the displacement of identical size PZT potsherd,
Effective piezoelectric coefficientl ratio PZT itself is about higher by 40 times.
For preferred scheme as shown in figure 3, power supply unit 1 is photovoltaic panel or battery DC power supply, power supply unit 1 is logical
Cross the alternating current that inversion unit 8 converts direct current to high frequency；
The high-frequency ac electric frequency that the inversion unit 8 exports is at least 20000Hz；
Since ultrasonic wave is a kind of sound wave of the frequency higher than 20000 hertz, so joined high-frequency inversion ring in systems
Section, makes direct current become to exchange and improve its frequency；Piezoelectric effect efficiency of transmission highest at the resonant frequency fx, and be transmitted across
There is idle loss in journey, so joined single compensation unit 2 after inversion unit 8；Electricity collection unit 9 and rectifying and wave-filtering
Second compensation unit 5 is added between voltage regulation unit 6, also for supplement reactive loss；
Preferred scheme is as shown in figure 4, the electricity collection unit 9 uses the charge amplifier in two channels；
Electricity collection module uses the charge amplifier in two channels, can generate the quantity of electric charge not according to PZT (piezoelectric transducer)
With different channels is selected, so that control circuit converting sensitivity, improves the efficiency of charge amplifier, and in charge amplifier
With OPA602 chip, have the characteristics that high input impedance, low drift collection；The charge that integrated transporting discharging OPA602 exports piezoelectric element
It is converted to voltage output, while detecting the intensity of charge signal by one-chip computer module, the signal feedback that will test to charge
The end of amplifier, control feedback capacity C are used to control circuit converting sensitivity, and feedback resistance R avoids OPA602 from entering saturation
Output state；Single-chip microcontroller selects STM32, with high-performance, strong real-time, and low-power consumption, the advantages that being convenient for low voltage operating, simultaneously
It is also easy to develop.
Preferred scheme is as shown in Figure 1, the cymbal PZT (piezoelectric transducer) output end of the ultrasonic wave receiving unit 4 includes two
Channel, described two channels are connect with 9 input terminal of electricity collection unit.
The working principle of whole device is as follows:
In Energy-emitting portion, when cymbal PZT (piezoelectric transducer) of the power supply unit 1 to ultrasonic transmitting element 3 is powered, electricity
Lotus acts on cymbal PZT (piezoelectric transducer), generates inverse piezoelectric effect, converts electrical energy into mechanical energy and act on cymbal PZT (piezoelectric transducer)
Cymbal piece, generate ultrasonic wave launch；Ultrasonic wave by salt water or light can travel to energy receptor portions；
In energy receptor portions, the pressure of ultrasonic wave acts on the cymbal piece of cymbal PZT (piezoelectric transducer), cymbal piece after stress, on
Cymbal piece generates a downward deformation, and lower cymbal piece generates a upward deformation, and the two panels cymbal piece after deformation simultaneously makes pottery to piezoelectricity
Porcelain generates pressure, and piezoelectric ceramics has piezoelectric effect, and mechanical energy can be converted to electric energy by piezoelectric effect, i.e., when piezoelectric ceramics by
To cymbal piece pressure when, mechanical oscillation can be generated, to convert the charge of alternation for this vibrate；
And the charge signal of alternation is faint, so the OPA602 charge amplifier by electricity collection module puts its signal
Greatly and it is converted to voltage output；
Since the distance between Energy-emitting portion and receiving portion can change, so PZT (piezoelectric transducer) cymbal on piece produces
Raw mechanical energy is a variable, and the charge signal generated by mechanical energy is also unstable, thus the requirement to feedback impedance C
It is different, in order to solve this problem, the charge amplifier in two channels is now selected, and the single-chip microcontroller of STM32 model is added, used
Singlechip technology makes single-chip microcontroller output high frequency letter when the value of charge is greater than a certain particular value X to detect the intensity of charge signal
Number " 1 ", by this signal feedback to the end of charge amplifier, control switch selects biggish C2；When the value of charge is less than a certain
When particular value X, make single-chip microcontroller output low frequency signal " 0 ", by this signal feedback to the end of charge amplifier, control switch, choosing
Select lesser C3；It is used to control circuit converting sensitivity by control feedback capacity C, improves charge conversion into the efficiency of voltage；
In the voltage of the available alternation in charge amplifier end, then pass through 6 powering load of rectifying and wave-filtering voltage regulation unit.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (9)
1. a kind of power supply unit for penetrating liquid based on ultrasonic wave, it is characterised in that: including power supply unit (1), power supply unit (1)
It is connect with inversion unit (8), inversion unit (8) is connect by single compensation unit (2) with ultrasonic transmitting element (3), ultrasound
Wave transmitting unit (3) transfers energy to ultrasonic wave receiving unit (4), ultrasonic wave receiving unit by energy carrier of ultrasonic wave
(4) it is connect with electricity collection unit (9), electricity collection unit (9) passes through second compensation unit (5) and rectifying and wave-filtering voltage regulation unit
(6) it connects, rectifying and wave-filtering voltage regulation unit (6) is connect with energy-storage units (7), and energy-storage units (7) and load connect.
2. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 1, it is characterised in that: the ultrasound
Wave transmitting unit (3) and the energy converter of ultrasonic wave receiving unit (4) are cymbal PZT (piezoelectric transducer), ultrasonic transmitting element
(3) cymbal PZT (piezoelectric transducer) converts electrical energy into mechanical oscillation by the inverse piezoelectric effect of piezoelectric ceramics, generates ultrasonic wave；It is super
Sound wave receiving unit (4) receives the ultrasonic wave of ultrasonic transmitting element (3) transmission, then by the piezoelectric effect of piezoelectric ceramics by machine
Tool can be converted to electric energy.
3. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 1, it is characterised in that: power supply unit
It (1) is photovoltaic panel or battery DC power supply, power supply unit (1) converts high frequency for direct current by inversion unit (8)
Alternating current.
4. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 3, it is characterised in that: described is inverse
The high-frequency ac electric frequency for becoming unit (8) output is at least 20000Hz.
5. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 1, it is characterised in that: the electric energy
Collector unit (9) uses the charge amplifier in two channels.
6. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 5, it is characterised in that: charge amplification
Using the single-chip microcontroller of the chip of OPA602 model and STM32 model in device.
7. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 6, it is characterised in that: described
The intensity of the monolithic machine testing charge signal of STM32 model.
8. a kind of power supply unit for penetrating liquid based on ultrasonic wave described according to claim 1 or 2 or 5, it is characterised in that: institute
The cymbal PZT (piezoelectric transducer) output end for stating ultrasonic wave receiving unit (4) includes two channels, and described two channels are received with electric energy
Collect the connection of unit (9) input terminal.
9. a kind of power supply unit for penetrating liquid based on ultrasonic wave according to claim 1, it is characterised in that: the ultrasound
Transmission medium between wave transmitting unit (3) and ultrasonic wave receiving unit (4) is liquid matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152435.6U CN209217807U (en) | 2019-01-18 | 2019-01-18 | A kind of power supply unit penetrating liquid based on ultrasonic wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152435.6U CN209217807U (en) | 2019-01-18 | 2019-01-18 | A kind of power supply unit penetrating liquid based on ultrasonic wave |
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| Publication Number | Publication Date |
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| CN209217807U true CN209217807U (en) | 2019-08-06 |
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| CN201920152435.6U Expired - Fee Related CN209217807U (en) | 2019-01-18 | 2019-01-18 | A kind of power supply unit penetrating liquid based on ultrasonic wave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142628A (en) * | 2021-12-06 | 2022-03-04 | 西安交通大学 | Ultrasonic isolation type power supply device for high-voltage power system |
-
2019
- 2019-01-18 CN CN201920152435.6U patent/CN209217807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142628A (en) * | 2021-12-06 | 2022-03-04 | 西安交通大学 | Ultrasonic isolation type power supply device for high-voltage power system |
| CN114142628B (en) * | 2021-12-06 | 2024-05-28 | 西安交通大学 | Ultrasonic isolation type power supply device for high-voltage power system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20210118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |