CN207625354U - A kind of energy supplementing system of underwater Internet of things node based on ultrasound - Google Patents
A kind of energy supplementing system of underwater Internet of things node based on ultrasound Download PDFInfo
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- CN207625354U CN207625354U CN201721842618.8U CN201721842618U CN207625354U CN 207625354 U CN207625354 U CN 207625354U CN 201721842618 U CN201721842618 U CN 201721842618U CN 207625354 U CN207625354 U CN 207625354U
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Abstract
The utility model discloses a kind of energy supplementing systems of underwater Internet of things node based on ultrasound, including ultrasonic energy emissions module and underwater Internet of things node receiving module, the ultrasonic energy emissions module includes the first controller, the first ultrasonic transducer, driving circuit, match circuit, intelligent console and display circuit, and the underwater Internet of things node receiving module includes the second ultrasonic transducer, current rectifying and wave filtering circuit, regulator circuit, charging circuit and second controller；The utility model is using ultrasonic wave as energy transmission carrier, it is not necessary that the energy supply of underwater Internet of things node can be completed by any physical connection, provide safeguard for the work steady in a long-term of underwater electrical equipment, at the same suitable for it is inflammable and explosive, easily by the safe power supply of other special occasions equipment such as electromagnetic interference.
Description
Technical field
The utility model is related to ultrasonics technical field, especially a kind of energy of underwater Internet of things node based on ultrasound
Measure make-up system.
Background technology
In face of the particularity and complexity of underwater environment, underwater technology of Internet of things is that people's exploration is carried with exploitation marine resources
New means are supplied.Interconnecting between perception, monitoring and the fast reaction and land and water object of underwater environment, is necessarily required to
A large amount of underwater equipment.However the service life of underwater Internet of Things and node lifetime are closely related, largely use battery powered underwater
Equipment is generally difficult to obtain energy supplement.It, can band incoming call using the underwater continuation of the journey pattern of traditional " salvaging-replacement-dispensing "
The problems such as pond storehouse watertightness and poor safety.Therefore, it in order to improve the life cycle of underwater Internet of Things, solves battery and frequently replaces
The problems such as difficult, there is an urgent need for study the energy supply technology of underwater Internet of things node.
Wireless power transmission technology has powerful environmental suitability as a kind of novel electric energy transmission technology, can
Efficiently solve the problems such as charging interface existing for wired charging is exposed, be also easy to produce contact sparking, flexibility difference.It is real at present
Existing wireless energy transfer mainly has a modes such as electromagnetic induction, electromagnetic coupling resonance, far-field radiation based on microwave or light wave, and with
Ultrasonic wave is relatively fewer as the research of energy transmission medium.Japan has scholar to discuss to set to low power mobile by ultrasonic wave
How the method for standby wireless charging, domestic also someone research in a sealed meter environment, pass through the regular electron equipment charge of ultrasonic wave.
However these researchs are all only confined to energy transmission technology based on ultrasound under space environment, ultrasonic wave passes in free space
It is serious to broadcast decaying, transmission range is closer, compared to electromagnetic wave without clear superiority.
Generally existing transmission range is short, efficiency is low, is also easy to produce electricity in environment under water for existing wireless energy transmission technology
The problems such as magnetic disturbance, traditional energy-provision way easily bring difficult in maintenance, flexibility and safety difference and old and useless battery pollution etc. to ask
Topic.
Invention content
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art and provides and a kind of being based on ultrasonic wave
Underwater Internet of things node energy supplementing system, the utility model is using ultrasonic wave as energy transmission carrier, without by any
Physical connection can complete the energy supply of underwater Internet of things node.
The utility model uses following technical scheme to solve above-mentioned technical problem：
According to the utility model proposes a kind of underwater Internet of things node based on ultrasound energy supplementing system, including
Ultrasonic energy emissions module and underwater Internet of things node receiving module, the ultrasonic energy emissions module include the first controller,
First ultrasonic transducer, driving circuit, match circuit, intelligent console and display circuit, the underwater Internet of things node receive mould
Block includes the second ultrasonic transducer, current rectifying and wave filtering circuit, regulator circuit, charging circuit and second controller；Wherein,
First controller is separately connected with intelligent console, driving circuit, display circuit, and the first ultrasonic transducer is mounted in intelligence
On energy holder, driving circuit, match circuit, the first ultrasonic transducer are linked in sequence successively, the second ultrasonic transducer, rectifying and wave-filtering
Circuit, regulator circuit, charging circuit are linked in sequence successively, and second controller connects respectively with the second ultrasonic transducer, charging circuit
It connects；Wherein,
Driving circuit is as supersonic frequency electric generator, and driving circuit is used to turn power frequency electric under the control of the first controller
The chemical conversion electricity consistent with the first ultrasonic transducer resonant frequency, and the first surpassed by being driven after match circuit progress impedance transformation
Sonic transducer works, to the transmission power of the first ultrasonic transducer of control；Display circuit is used for real-time display energy supply system
The working condition of system and working time；
Intelligent console moves under the control of the first controller into line direction, so that being mounted in the on intelligent console
One ultrasonic transducer is rotated, and the first ultrasonic transducer in underwater Internet of things node receiving module by second controller to being controlled
The second ultrasonic transducer search positioning；When the first ultrasonic transducer and concentric the second ultrasonic transducer, the first ultrasound is changed
Energy device persistently transmits ultrasonic energy to the second ultrasonic transducer, and the second ultrasonic transducer receives ultrasonic energy, through positive piezoelectricity
Effect is converted to high-frequency electrical, using supply after current rectifying and wave filtering circuit rectifying and wave-filtering, regulator circuit voltage stabilizing by second controller control
The charging circuit of system uses；Charging circuit is used to charge to underwater Internet of things node direct-flow electricity utilization apparatus and use.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, the first ultrasonic transducer, the second ultrasonic transducer are piezoelectric ceramic ultrasonic transducer.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, piezoelectric ceramic ultrasonic transducer uses the front and back affix quarter-wave in piezoelectric ceramic wafer
Composite material matching layer and backing, to realize the matching of acoustic impedance.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, current rectifying and wave filtering circuit is single-phase bridge full-wave rectifying circuit.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, match circuit is tandem type inductor-capacitor match circuit.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, display circuit is liquid crystal display circuit.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, regulator circuit is DC-DC conversion circuit.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, charging circuit is the programmable lithium battery charging management chip controlled by second controller.
As a kind of energy supplementing system of underwater Internet of things node based on ultrasound described in the utility model into one
Prioritization scheme is walked, the first controller, second controller are microcontroller.
The utility model has the following technical effects using above technical scheme is compared with the prior art：
（1）The utility model is using ultrasonic wave as energy transmission carrier, without that can be completed under water by any physical connection
The energy supply of Internet of things node provides safeguard for underwater equipment work steady in a long-term, and can fundamentally solve to pass
The problems such as difficult in maintenance, flexibility that system energy-provision way is brought and safety difference and old and useless battery pollute；Ultrasonic wave is used for water
Lower wireless energy transfer with respect to other transmission modes have good directionality, penetration capacity is strong, propagation distance is remote, electromagnetic-radiation-free and
Energy is easy to many advantages, such as concentrating；
（2）The utility model utilizes the electricity and acoustical match of ultrasonic transducer, intelligent console search positioning and transmitting terminal
Power controlling technology can solve current wireless energy transmission technology transmission distance in water while reduction system entirety energy consumption
From the problems such as close, power is small, efficiency is low；
（3）The utility model is applicable not only to the energy supply of general underwater environment electrical equipment, and especially suitable for
The safe power supply of other special occasions equipment, for example, it is inflammable and explosive, easily by environment such as electromagnetic interferences, can also be used as a kind of universal
Non-contact type wireless charging unit.
Description of the drawings
Fig. 1 is the system structure diagram of the utility model.
Fig. 2 is the system work process flow chart of the utility model.
Fig. 3 is the intelligent console search positioning flow figure of the utility model.
Specific implementation mode
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of energy supplementing system of underwater Internet of things node based on ultrasound is mainly by ultrasonic energy
Two parts of transmitting module and underwater Internet of things node receiving module form.The ultrasonic energy emissions module includes the first control
Device, the first ultrasonic transducer, driving circuit, match circuit, intelligent console and display circuit, the underwater Internet of things node receive
Module includes the second ultrasonic transducer, current rectifying and wave filtering circuit, regulator circuit, charging circuit and second controller.
First controller, second controller are super low power consuming single chip processor.First controller is the control core of system
The heart is responsible for the direction controlling and transmission power control of intelligent console movement；First ultrasonic transducer is piezoelectric ceramic ultrasonic
Energy converter realizes electric energy-mechanic energy-acoustic energy conversion, and use and add quarter-wave using the inverse piezoelectric effect of piezoelectric material
The mode of long composite material matching layer and backing, realizes the matching of acoustic impedance；The driving circuit as supersonic frequency electric generator,
Power frequency electric is converted to the electricity consistent with the first ultrasonic transducer resonant frequency, driving the first ultrasonic transducer normal work；Institute
It is tandem type inductor-capacitor match circuit to state match circuit, plays impedance transformation, improves driving circuit output power and efficiency
Effect；The intelligent console is the double-spindle numerical control holder for carrying the first ultrasonic transducer, the instruction sent according to the first controller
Signal realizes energy converter pose adjustment；The display circuit is low power consumption liquid crystal, for real-time display system working condition, work
Make the key messages such as time.
The parameters of second ultrasonic transducer are identical as the first ultrasonic transducer, to realize the close coupling of energy,
Using the direct piezoelectric effect of piezoelectric material, acoustic energy-mechanical energy-electric energy conversion is realized；The current rectifying and wave filtering circuit is single-phase bridge
The alternating current that second ultrasonic transducer is generated through direct piezoelectric effect is converted to direct current by full-wave rectifying circuit；The voltage stabilizing electricity
Road is DC-DC conversion circuit, and the signal that rectifying and wave-filtering exports is converted into suitable for the voltage signal of the stabilization needed for electrical nodes；
The charging circuit is programmable lithium battery charging management chip, can automatically be adjusted according to the current output capability of input voltage source
Whole charging current；The second ultrasonic transducer of the second controller pair transmit/receive the output voltage of working condition and charging circuit into
Row control, has the function of external interrupt and I/O mouthfuls of recommending output mode abilities.
Ultrasonic energy emissions module controls intelligent console movement by microcontroller at low power modes, to underwater Internet of Things
Electricity consumption node device searches for positioning automatically.When the first ultrasonic transducer and concentric the second ultrasonic transducer, ultrasonic energy hair
It penetrates module and is switched to high power mode and persistently transmit ultrasonic energy to underwater Internet of things node receiving module.The piezoelectricity of receiving module
Energy converter receives ultrasonic energy, is converted to high-frequency electrical, straight using underwater Internet of things node is supplied after rectifying and wave-filtering, voltage stabilizing
Electrical equipment is flowed to use.
Ultrasonic transducer is that system realizes electric energy-mechanic energy（Ultrasonic wave）The key device of electric energy conversion is new in this practicality
Being used in the preferred embodiment of type has the characteristics that the resonant frequency that working frequency is wide, power capacity is big for the piezoelectric ceramics of 28kHz
Ultrasonic transducer, and respectively in the front and back affix quarter-wave composite material matching layer of piezoelectric ceramic wafer
And backing, to realize the acoustical match of energy converter.It is theoretical using the reflection and transmission of sound wave, design quarter-wave matching layer
When, following three principles should be followed：
1, as small as possible per wavelength loss；
2, the attenuation coefficient of material and frequency are as in a linear relationship as possible；
3, matching layer characteristic impedance meets as far as possible, Zp 、Z0 、Z1Respectively matching layer, piezoelectric ceramics are brilliant
The characteristic impedance of piece, supporting medium.
The impedance of back lining materials is bigger, and the damping action risen to energy converter is bigger, and epoxy resin can be selected in back lining materials
Add tungsten powder, tungsten-vinyl plastics, tungsten powder and can roll over and prolong solid-solid composite material of metal etc..
Driving circuit includes mainly rectification circuit and inverter circuit, power frequency electric is converted to as supersonic frequency electric generator
The electricity consistent with ultrasonic transducer resonant frequency, driving ultrasonic transducer normal work.Match circuit be connected to driving circuit and
Between ultrasonic transducer, play the role of impedance transformation, improve driving circuit output power and efficiency, transformer matching can be selected
Circuit and inductor-capacitor match circuit use tandem type inductor-capacitor match circuit in the preferred embodiment of the utility model.
Intelligent console is the double-spindle numerical control holder for carrying the first ultrasonic transducer, according to the command signal that the first controller is sent, is realized
Energy converter pose adjustment, it is ensured that the first and second ultrasonic transducer is concentric.Display circuit is low power consumption liquid crystal, is used for real-time display
The key messages such as working state of system, working time.
Second ultrasonic transducer utilizes the direct piezoelectric effect of piezoelectric material, realizes acoustic energy-mechanical energy-electric energy conversion, every
Parameter is identical as the first ultrasonic transducer, to realize the close coupling of energy.Current rectifying and wave filtering circuit is single-phase bridge full-wave rectification, even
It is connected between the ultrasonic transducer of receiving module and regulator circuit, the alternating current that ultrasonic transducer is converted to is converted into direct current
Electricity.Efficient DC-DC circuit chip and lithium battery charging management chip is respectively adopted in regulator circuit, charging circuit, and rectification is filtered
The signal that wave exports is converted into stable electric current, voltage signal charges to the lithium battery of high-energy density and uses.Second controller
Working condition is transmitted/received to the second ultrasonic transducer and charging circuit output voltage controls, can be made by external interrupt mode
Its CPU exits low-power consumption mode and enters active state, and requires its I/O mouthfuls to have recommending output mode ability.
As shown in Fig. 2, a kind of energy supplementing system course of work of underwater Internet of things node based on ultrasound is：Ultrasound
Energy transmitting module is carried the first ultrasonic transducer in low-power mode, by intelligent console and is revolved under the control of microcontroller
Turn, to needing the underwater Internet of Things electricity consumption node device of energy supply to search for positioning.When the ultrasound of ultrasonic energy emissions module is changed
When energy device and the concentric ultrasonic transducer of underwater Internet of things node receiving module, ultrasonic energy emissions module is switched to greatly immediately
Under power mode ultrasonic energy is persistently transmitted to underwater Internet of things node receiving terminal.The PZT (piezoelectric transducer) of receiving module receives super
Acoustic wave energy is converted to high-frequency electrical through direct piezoelectric effect, using after rectifying and wave-filtering, voltage stabilizing i.e. can be supplied to underwater Internet of things node
Direct-flow electricity utilization apparatus uses.
As shown in figure 3, the ultrasonic energy emissions module controls intelligent cloud by the first controller at low power modes
Platform moves, and positioning is searched for automatically to underwater Internet of things node equipment, using ultrasonic energy emissions module as primary module, underwater Internet of Things
Node receiving module is from module, and workflow includes the following steps：
Step 1：Primary module is that energy sends state after the power is turned on, and low-power consumption energy acceptance state is in from module；
Step 2：The 1 circle transmission of rotation of primary module control intelligent console is energy activated from module, receives energy from module and reaches
Microcontroller is waken up after threshold value；
Step 3：Primary module switchs to energy acceptance state, and holder continues to rotate<=1 circle, postpones 0.9 after module self-activation
Circle（Reduce energy loss）, switch to energy to send state and duration to be 0.5 circle；
Step 4：Primary module swings back and forth after searching energy near energy point of maximum intensity, is found within the time short as possible
Central point switchs to low-power consumption energy acceptance state from module；
Step 5：Primary module is not received is believed that principal and subordinate's module energy converter is concentric after the energy that module is sent, main
Module is switched to high power mode and continues to from module transfer energy.
Above-described embodiment is only preferred embodiments of the present invention, it should be pointed out that：For the common of the art
For technical staff, without departing from the principle of this utility model, several improvement and equivalent replacement can also be made, these
To the utility model claims be improved and equivalent replacement after technical solution, each fall within the protection model of the utility model
It encloses.
Claims (9)
1. a kind of energy supplementing system of underwater Internet of things node based on ultrasound, which is characterized in that sent out including ultrasonic energy
Module and underwater Internet of things node receiving module are penetrated, the ultrasonic energy emissions module is changed including the first controller, the first ultrasound
Energy device, driving circuit, match circuit, intelligent console and display circuit, the underwater Internet of things node receiving module include second
Ultrasonic transducer, current rectifying and wave filtering circuit, regulator circuit, charging circuit and second controller；Wherein,
First controller is separately connected with intelligent console, driving circuit, display circuit, and the first ultrasonic transducer is mounted in intelligent cloud
On platform, driving circuit, match circuit, the first ultrasonic transducer are linked in sequence successively, the second ultrasonic transducer, rectifying and wave-filtering electricity
Road, regulator circuit, charging circuit are linked in sequence successively, and second controller is separately connected with the second ultrasonic transducer, charging circuit；
Wherein,
Driving circuit is as supersonic frequency electric generator, and driving circuit is for power frequency electric to be converted under the control of the first controller
The electricity consistent with the first ultrasonic transducer resonant frequency, and drive the first ultrasound to change after carrying out impedance transformation by match circuit
Energy device work, to the transmission power of the first ultrasonic transducer of control；Display circuit, for real-time display energy supplementing system
Working condition and working time；
Intelligent console moves under the control of the first controller into line direction, so that being mounted in the first surpassing on intelligent console
Sonic transducer is rotated, the first ultrasonic transducer in underwater Internet of things node receiving module by the of second controller control
The search positioning of two ultrasonic transducers；When the first ultrasonic transducer and concentric the second ultrasonic transducer, the first ultrasonic transducer
Ultrasonic energy is persistently transmitted to the second ultrasonic transducer, the second ultrasonic transducer receives ultrasonic energy, through direct piezoelectric effect
High-frequency electrical is converted to, is controlled by second controller using supply after current rectifying and wave filtering circuit rectifying and wave-filtering, regulator circuit voltage stabilizing
Charging circuit uses；Charging circuit is used to charge to underwater Internet of things node direct-flow electricity utilization apparatus and use.
2. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, the first ultrasonic transducer, the second ultrasonic transducer are piezoelectric ceramic ultrasonic transducer.
3. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 2, feature
It is, piezoelectric ceramic ultrasonic transducer uses the front and back affix quarter-wave composite wood in piezoelectric ceramic wafer
Matching layer and backing are expected, to realize the matching of acoustic impedance.
4. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, current rectifying and wave filtering circuit is single-phase bridge full-wave rectifying circuit.
5. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, match circuit is tandem type inductor-capacitor match circuit.
6. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, display circuit is liquid crystal display circuit.
7. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, regulator circuit is DC-DC conversion circuit.
8. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, charging circuit is the programmable lithium battery charging management chip controlled by second controller.
9. a kind of energy supplementing system of underwater Internet of things node based on ultrasound according to claim 1, feature
It is, the first controller, second controller are microcontroller.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947387A (en) * | 2017-12-25 | 2018-04-20 | 南京邮电大学 | A kind of energy supplementing system of the underwater Internet of things node based on ultrasonic wave |
| CN109004764A (en) * | 2018-07-26 | 2018-12-14 | 中国科学院声学研究所 | One kind carrying out ultrasonic power supply system and method for closed metal container |
| CN111030319A (en) * | 2019-11-26 | 2020-04-17 | 吕舒晗 | Underwater non-contact wireless energy transmission system based on ultrasonic waves |
| CN112217295A (en) * | 2020-09-27 | 2021-01-12 | 中国人民解放军海军工程大学 | Underwater wireless ultrasonic electric energy transmission device |
-
2017
- 2017-12-25 CN CN201721842618.8U patent/CN207625354U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947387A (en) * | 2017-12-25 | 2018-04-20 | 南京邮电大学 | A kind of energy supplementing system of the underwater Internet of things node based on ultrasonic wave |
| CN107947387B (en) * | 2017-12-25 | 2023-07-04 | 南京邮电大学 | Energy supply system of underwater Internet of things node based on ultrasonic waves |
| CN109004764A (en) * | 2018-07-26 | 2018-12-14 | 中国科学院声学研究所 | One kind carrying out ultrasonic power supply system and method for closed metal container |
| CN109004764B (en) * | 2018-07-26 | 2021-06-04 | 中国科学院声学研究所 | Ultrasonic power supply system and method for closed metal container |
| CN111030319A (en) * | 2019-11-26 | 2020-04-17 | 吕舒晗 | Underwater non-contact wireless energy transmission system based on ultrasonic waves |
| CN112217295A (en) * | 2020-09-27 | 2021-01-12 | 中国人民解放军海军工程大学 | Underwater wireless ultrasonic electric energy transmission device |
| CN112217295B (en) * | 2020-09-27 | 2022-03-15 | 中国人民解放军海军工程大学 | Underwater wireless ultrasonic electric energy transmission device |
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