CN107528390A - A kind of device for the charging of closed metal container built-in device - Google Patents
A kind of device for the charging of closed metal container built-in device Download PDFInfo
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- CN107528390A CN107528390A CN201610446682.8A CN201610446682A CN107528390A CN 107528390 A CN107528390 A CN 107528390A CN 201610446682 A CN201610446682 A CN 201610446682A CN 107528390 A CN107528390 A CN 107528390A
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- 239000002184 metal Substances 0.000 title claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 238000002604 ultrasonography Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000000919 ceramic Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 230000002463 transducing effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
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- H02J7/025—
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention provides a kind of device for the charging of closed metal container built-in device, including：Signal generator (1), ultrasound emission transducer (9), ultrasonic reception transducer (11)；Described signal generator (1) and ultrasound emission transducer (9) connection, the spoke side of the ultrasound emission transducer (9) is affixed on the outer wall and inwall of closed metal container (5) respectively with the receiving terminal of ultrasonic reception transducer (11), and keeps forming ultrasonic energy delivery passage (4) after being oppositely arranged；After the electric signal that signal generator (1) excites is converted to ultrasonic wave by described ultrasound emission transducer (9), export to ultrasonic reception transducer (11)；Described ultrasonic reception transducer (11) is converted to the ultrasonic wave received the equipment built in electric signal output to closed metal container (5) again.The device carries out wireless power transfer in the case where not destroying metal container structures integrality to equipment in container.
Description
Technical field
The present invention relates to wireless energy transmission technology field, and in particular to one kind is used for closed metal container built-in device
The device of charging.
Background technology
In recent years, the electronic equipment to be worked under how orienting to sealed environment is charged, and it is great to cause people
Interest.When being powered to the electronic equipment in various particular surroundings (such as hermetically-sealed instrument, obturator), by
Conventional powering mode can not be used in the particularity of these environment.Such as：In order to ensure the reliability (knot of submarine
Structure integrality and air-tightness etc.), the sealing shell of many devices can not be opened at will in submarine, but its internal electricity
The self-contained battery of sub- instrument must charge after a period of operation.The problem of same also occur in artificial satellite,
In the particular surroundings demand equipment such as nuclear power station, tank.Therefore, non-contact type electric energy transmission technology is because its security
Height, connect and safeguard without circuit, the charge function of complete air-tightness, water proofing property and unmanned management can be realized,
International academic community is enjoyed to pay close attention to always in recent years.
At present, realize non-contact type electric energy transmission method, mainly including electromagnetic coupled, electromagentic resonance sensing, swash
Light and microwave mode.Wherein electromagnetic coupled is the technology studied and be most widely used in energy transmission technology.But
Electromagnetic wave is decayed rapidly in solid and liquid medium, according to Faradic electricity magnetic screen effect, is passed through using electromagnetic wave
Metal can not carry out valid wireless delivery of energy, and the electromagnetic radiation of this method is serious, and easily whole system is produced
Extra interference, so the electronic equipment for being not suitable for working under sealed environment carries out wireless power transmission.
Ultrasonic wave be frequency be higher than 20kHz sound wave, due to its good directionality, penetration capacity is strong, be easily obtained compared with
The acoustic energy of concentration, and distance remote enough can be propagated in various different mediums, so how to be carried out using ultrasonic wave
Energy transmits to obtain increasing pay attention to and research：
A kind of ultrasonic energy transmission system is disclosed in Patent No. ZL201120057880.8 mandate publication
System, very fragile in particular circumstances for the electrical energy transportation mode of main flow with cable for overhead transmission line, it is proposed
Ultrasonic wave transmission medium is used as to small-power instrument, a kind of ultrasonic wave energy of instrument offer working power by metallic rod
Measure Transmission system.New electric energy transmission channel has very strong resistance to mechanical damage capability, while has high temperature resistance, high pressure,
Resistance to water logging, the characteristics of avoiding short circuit phenomenon from producing, but the system is only applicable to provide electric energy for small-power instrument,
And the it is required that cylindrical metal that it is 4mm~70mm that Transfer Medium, which is cross-sectional diameter,.
A kind of ultrasound based on piezoelectric ceramics is disclosed in the open file that number of patent application is 201110443083.8
Ripple wireless power transmission device, a kind of its ultrasonic wireless power transmitting device proposed solves uses electromagnetism coupling in the prior art
The problem of conjunction and magnetic resonance mode carry out electromagnetic interference present in wireless power transmission.
A kind of ultrasonic wireless transmission of electricity system is disclosed in the open file that number of patent application is 201410423492.5
System, a kind of its multistage ultrasonic wireless transmission system proposed, it is effectively improved ul-trasonic irradiation distance.
In summary, more and more applied although carrying out wireless power transfer using ultrasonic wave, at present simultaneously
There is no a kind of system that ultrasonic delivery of energy is carried out for closed metal container.
The content of the invention
It is an object of the present invention to the one kind for carrying out wireless charging the present invention be directed to closed metal container and proposing is filled
Electric installation, so as to solve the problems, such as that the electronic equipment to be worked under to sealed environment carries out wireless charging.
To achieve the above object, a kind of device for the charging of closed metal container built-in device provided by the invention,
Including：Signal generator, ultrasound emission transducer, ultrasonic reception transducer；Described signal generator and ultrasound
Transmitting transducer connects, and the spoke side of the ultrasound emission transducer pastes respectively with the receiving terminal of ultrasonic reception transducer
In on the outer wall and inwall of closed metal container, and keep forming ultrasonic energy delivery passage after being oppositely arranged；It is described
Signal generator according to the working frequency of transducer produce needed for frequency lasting sine wave signal, described ultrasound
After the electric signal that transmitting transducer excites signal generator is converted to ultrasonic wave, export to ultrasonic reception transducer；
Described ultrasonic reception transducer is converted to the ultrasonic wave received in electric signal output to closed metal container again
The equipment put.
As the further improvement of above-mentioned technical proposal, in addition to：Power amplifier, transmitting matching network and reception
Matching network；Sine wave signal caused by signal generator is amplified to appropriate power by described power amplifier；Institute
The transmitting matching network stated is used for the impedance matching for realizing front end circuits at different levels and ultrasonic energy delivery passage, makes output
To the energy maximization of ultrasound emission transducer；Described reception matching network is used to realize ultrasonic energy delivery passage
With the impedance matching of subsequent stages circuit, maximize energy transmission efficiency.
As the further improvement of above-mentioned technical proposal, in addition to voltage conversion and accumulator；Described voltage turns
Change and be connected with the output end of accumulator and ultrasonic reception transducer, for be converted to ultrasonic reception transducer
Electric signal carries out rectifying and wave-filtering, and electric signal is transformed into suitable voltage by the voltage requirements of the equipment to charge as needed.
As the further improvement of above-mentioned technical proposal, the ultrasound emission transducer is adopted with ultrasonic reception transducer
Use sandwich piezoelectric ceramic transducer.
As the further improvement of above-mentioned technical proposal, spoke side and the closed metal of the ultrasound emission transducer hold
Use couplant Nian Jie between device outer wall, between the receiving terminal of ultrasonic reception transducer and closed metal container inner wall.
A kind of device advantage for the charging of closed metal container built-in device of the present invention is：
Required ultrasonic wave is mainly converted electrical energy into by PZT (piezoelectric transducer), after ultrasonic wave passes through sealing shell, then by
Piezoelectric device is converted into electric energy and sends electronic equipment to.The present invention can not destroy metal container structures integrality
In the case of wireless power transfer is carried out to equipment in container, and with low, the good directive property of energy loss, high-transmission effect
Rate, the advantages of extra electromagnetic interference will not be produced.
Brief description of the drawings
Fig. 1 is a kind of apparatus structure schematic diagram for the charging of closed metal container built-in device of the present invention.
Fig. 2 is a kind of apparatus structure signal for the charging of closed metal container built-in device in the embodiment of the present invention
Figure.
Fig. 3 is the structural representation of the ultrasonic energy delivery passage in the embodiment of the present invention.
Fig. 4 is the structural representation of the sandwich piezoelectric ceramic transducer in the embodiment of the present invention.
Fig. 5 is the ultrasonic energy delivery channel design using the sandwich piezoelectric ceramic transducer shown in Fig. 4
Schematic diagram.
Reference
1st, signal generator 2, power amplifier 3, transmitting matching network
4th, ultrasonic energy delivery passage 5, closed metal container 6, reception matching network
7th, voltage conversion and accumulator 8, instrument 9, ultrasound emission transducer
10th, couplant 11, ultrasonic reception transducer 12, securing bracket
13rd, piezo ceramic element 14, metal bezel plate 15, metal back cover plate
16th, insulating sleeve 17, pre-stressed bolt
Embodiment
With reference to the accompanying drawings and examples to it is of the present invention it is a kind of for closed metal container built-in device charging
Device is described in detail.
As shown in figure 1, the device for being used for the charging of closed metal container built-in device of the present invention is mainly sent out by ultrasonic wave
Two parts composition is penetrated and receives, including：Signal generator 1, ultrasonic energy delivery passage 4 are as shown in Fig. 2 wherein
Ultrasonic energy delivery passage 4 is made up of ultrasound emission transducer 9 and ultrasonic reception transducer 11, i.e. described signal
Generator 1 and ultrasound emission transducer 9 connect, and the spoke side of the ultrasound emission transducer 9 changes with ultrasonic reception
The receiving terminal of energy device 11 is affixed on the outer wall and inwall of closed metal container 5 respectively, and keeps being formed after being oppositely arranged
Ultrasonic energy delivery passage 4.Described signal generator 1 is used for the frequency according to needed for producing transducer working frequency
Continue sine wave signal.Described ultrasonic energy delivery passage 4 is mainly used in the conversion between electric energy and mechanical energy,
Wherein the electric signal excited is converted to ultrasonic wave i.e. mechanical energy by ultrasound emission transducer 9, and ultrasonic wave passes through closed gold
After the metal level for belonging to container 5, received by ultrasonic reception transducer 11 and be converted to electric signal output again to closed gold
The instrument 8 that needs built in category container 5 are powered.
Device based on said structure, as shown in Fig. 2 the device also includes：Power amplifier 2, transmitting pair net
Network 3, receive matching network 6, voltage conversion and accumulator 7；Power amplifier 2 is used for signal generator 1
Caused sine wave signal is amplified to appropriate power, so as to drive subsequent conditioning circuit.Described transmitting matching network 3 is used
In the impedance matching for completing front end circuits at different levels and ultrasonic energy delivery passage 4, make arrival ultrasound emission transducer 9
Energy maximization.The described matching network 6 that receives is used for ultrasonic energy delivery passage 4 and subsequent stages circuit
Impedance matching, maximize energy transmission efficiency.Described voltage conversion is used for ultrasonic reception with accumulator 7
The ac signal that transducer 11 is converted to carries out rectifying and wave-filtering and the voltage of the instrument 8 energized as needed needs
Ask, convert a signal into suitable voltage.The instrument 8 for needing to energize can be any required in closed metal container 5
The instrument of power supply, including：All kinds of detecting instruments, sensor, communication system etc..
Described front end circuits at different levels refer to the circuit before transmitting matching network 3：Signal generator 1 and power amplification
Device 2 and connecting cable；Subsequent stages circuit refers to the circuit after power amplifier 2：Ultrasonic energy delivery passage 4,
Voltage conversion and accumulator 7 and the instrument 8 of required driving.
Launch matching network 3 to change source impedance (output impedance of signal generator device 1 and power amplifier 2)
Into the conjugate of the input impedance of ultrasonic energy delivery passage 4；Matching network 6 is received by ultrasonic energy delivery passage 4
The load impedance of connect circuit is converted to the output impedance conjugate of ultrasonic energy delivery passage 4 afterwards, so as to effectively subtract
Few energy reflection, farthest improves energy transmission efficiency.
As shown in figure 3, the device of the present invention can use bonding couplant 10 by ultrasound emission transducer 9 and ultrasonic reception
Transducer 11 is fixed on the layer on surface of metal of closed metal container 5, and plays a part of couplant.The effect of couplant
The slight void between ultrasonic transducer and metallic plate is mainly excluded, prevents interstitial micro-air from influenceing ultrasound
Penetrate.In addition, the couplant set in the present invention also acts as the effect that transducer is bonded in layer on surface of metal.
By actual test, the super of suitable frequency and size is selected according to the metal properties of closed metal container 5 and thickness
Acoustic emission transducer 9 and ultrasonic reception transducer 11, and corresponding transmitting matching network 3 is designed, receive pair net
Network 6 can make the energy transmission efficiency of ultrasonic energy delivery passage 4 reach more than 50%, have great practicality.Separately
Outside, when required transimission power is excessive, reach hectowatt even kilowatt rank when, using single piezoelectric ceramics as surpassing
Acoustic emission transducer 9 and ultrasonic reception transducer 11 easily shaken it is broken, bonding also easily come off with couplant 10,
Now ultrasound emission transducer 9 and ultrasonic reception transducer 11 should select sandwich piezoelectric ceramic transducer,
Ensure that piezoelectric ceramic piece does not rupture while increasing transducer power capacity, the Sandwich type piezoelectric ceramics ultrasound transducing
The basic structure of device is as shown in figure 4, it is provided with several piezo ceramic elements 13 being stacked, and by pre-
After stress bolt 17 sequentially passes through metal back cover plate 15, piezo ceramic element 13, it is fixed on metal bezel plate 14,
The appearance of the pre-stressed bolt 17 is arranged with insulating sleeve 16.
Ultrasonic energy delivery passage 4 now is as shown in Figure 5.Securing bracket 12 is set up, passes through pre-stressed bolt 17
Ultrasound emission transducer 9 and ultrasonic reception transducer 11 are fixed on the surface of closed metal container 5.Wherein fastening branch
Frame 12 is various informative, can be designed according to actual conditions.
From said structure device carry out charging measurement result, charging device of the invention can effectively to
To carrying out wireless charging in closed metal container, and high-power wireless energy transmission can be carried out.The device gives full play to
Ultrasonic delivery of energy advantage, there is huge advantage and development in fields such as the military affairs in future, Aero-Space, biologic medicals
Prospect.
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although
The present invention is described in detail with reference to embodiment, it will be understood by those within the art that, to the present invention
Technical scheme modify or equivalent substitution, without departure from the spirit and scope of technical solution of the present invention, its is equal
It should cover among scope of the presently claimed invention.
Claims (5)
- A kind of 1. device for the charging of closed metal container built-in device, it is characterised in that including：Signal occurs Device (1), ultrasound emission transducer (9), ultrasonic reception transducer (11)；Described signal generator (1) and Ultrasound emission transducer (9) connects, spoke side and the ultrasonic reception transducer of the ultrasound emission transducer (9) (11) receiving terminal is affixed on the outer wall and inwall of closed metal container (5) respectively, and keeps being oppositely arranged rear shape Into ultrasonic energy delivery passage (4)；Described signal generator (1) is according to needed for producing the working frequency of transducer Signal generator (1) is swashed electricity by the lasting sine wave signal of frequency, described ultrasound emission transducer (9) After signal is converted to ultrasonic wave, export to ultrasonic reception transducer (11)；Described ultrasonic reception transducer (11) The ultrasonic wave received is converted into the equipment built in electric signal output to closed metal container (5) again.
- 2. the device according to claim 1 for the charging of closed metal container built-in device, it is characterised in that Also include：Power amplifier (2), transmitting matching network (3) and reception matching network (6)；Described power is put Sine wave signal caused by signal generator (1) is amplified to appropriate power by big device (2)；Described transmitting matching Network (3) is used for the impedance matching for realizing front end circuits at different levels and ultrasonic energy delivery passage (4), makes output extremely The energy maximization of ultrasound emission transducer (9)；Described reception matching network (6) is used to realize ultrasonic energy Transmission channel (4) and the impedance matching of subsequent stages circuit, maximize energy transmission efficiency.
- 3. the device according to claim 1 for the charging of closed metal container built-in device, it is characterised in that Also include voltage conversion and accumulator (7)；Described voltage conversion and accumulator (7) and ultrasonic reception transducing The output end connection of device (11), the electric signal for ultrasonic reception transducer (11) to be converted to carry out rectification Filtering, and electric signal is transformed into suitable voltage by the voltage requirements of the equipment to charge as needed.
- 4. the device according to claim 1 for the charging of closed metal container built-in device, it is characterised in that The ultrasound emission transducer (9) uses Sandwich type piezoelectric ceramics ultrasound transducing with ultrasonic reception transducer (11) Device.
- 5. the device according to claim 1 for the charging of closed metal container built-in device, it is characterised in that Between the spoke side and closed metal container (5) outer wall of the ultrasound emission transducer (9), ultrasonic reception transducing It is Nian Jie using couplant (10) between the receiving terminal of device (11) and closed metal container (5) inwall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446682.8A CN107528390A (en) | 2016-06-20 | 2016-06-20 | A kind of device for the charging of closed metal container built-in device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610446682.8A CN107528390A (en) | 2016-06-20 | 2016-06-20 | A kind of device for the charging of closed metal container built-in device |
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| CN201610446682.8A Pending CN107528390A (en) | 2016-06-20 | 2016-06-20 | A kind of device for the charging of closed metal container built-in device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282032A (en) * | 2018-02-06 | 2018-07-13 | 北京科技大学 | A kind of energy collecting system in closed metal space |
| CN108900279A (en) * | 2018-06-12 | 2018-11-27 | 北京碧思特科技有限公司 | A kind of metal enclosed tank signal transmitting device and method |
| 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 |
| CN110098668A (en) * | 2019-05-28 | 2019-08-06 | 中科新声(苏州)科技有限公司 | A kind of wireless energy transfer system |
| CN112462183A (en) * | 2020-12-03 | 2021-03-09 | 中北大学 | Method and system for determining optimum energy delivery frequency of sealed metal device |
| CN112543065A (en) * | 2020-12-03 | 2021-03-23 | 中北大学 | Wireless power transmission and communication device and communication method for sealed metal container |
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| US4680966A (en) * | 1984-06-15 | 1987-07-21 | U.S. Philips Corporation | Apparatus for examining an object by ultrasonic echography |
| CN104734204A (en) * | 2015-03-19 | 2015-06-24 | 大连理工大学 | Wireless electric energy transmission device based on ultrasonic waves capable of penetrating through metal plate |
| CN104779672A (en) * | 2015-04-21 | 2015-07-15 | 东南大学 | Wireless charging system applicable to battery load |
| CN105406611A (en) * | 2015-10-28 | 2016-03-16 | 中国人民解放军国防科学技术大学 | Device and method of determining through-metal wall ultrasonic sound wireless energy transmission channel optimization frequency |
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2016
- 2016-06-20 CN CN201610446682.8A patent/CN107528390A/en active Pending
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| US4680966A (en) * | 1984-06-15 | 1987-07-21 | U.S. Philips Corporation | Apparatus for examining an object by ultrasonic echography |
| CN104734204A (en) * | 2015-03-19 | 2015-06-24 | 大连理工大学 | Wireless electric energy transmission device based on ultrasonic waves capable of penetrating through metal plate |
| CN104779672A (en) * | 2015-04-21 | 2015-07-15 | 东南大学 | Wireless charging system applicable to battery load |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282032A (en) * | 2018-02-06 | 2018-07-13 | 北京科技大学 | A kind of energy collecting system in closed metal space |
| CN108900279A (en) * | 2018-06-12 | 2018-11-27 | 北京碧思特科技有限公司 | A kind of metal enclosed tank signal transmitting device and method |
| 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 |
| CN110098668A (en) * | 2019-05-28 | 2019-08-06 | 中科新声(苏州)科技有限公司 | A kind of wireless energy transfer system |
| CN112462183A (en) * | 2020-12-03 | 2021-03-09 | 中北大学 | Method and system for determining optimum energy delivery frequency of sealed metal device |
| CN112543065A (en) * | 2020-12-03 | 2021-03-23 | 中北大学 | Wireless power transmission and communication device and communication method for sealed metal container |
| CN112543065B (en) * | 2020-12-03 | 2023-03-03 | 中北大学 | Wireless power transmission and communication device and communication method for sealed metal container |
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Application publication date: 20171229 |