CN202586514U - EMSR electromagnetic energy transmitting and receiving system - Google Patents
EMSR electromagnetic energy transmitting and receiving system Download PDFInfo
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- CN202586514U CN202586514U CN201220140247XU CN201220140247U CN202586514U CN 202586514 U CN202586514 U CN 202586514U CN 201220140247X U CN201220140247X U CN 201220140247XU CN 201220140247 U CN201220140247 U CN 201220140247U CN 202586514 U CN202586514 U CN 202586514U
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Abstract
The utility model discloses an EMSR electromagnetic energy transmitting and receiving system. The system is one of the core components of an electromagnetic & mechanical synchronous resonance (EMSR) system, and is mainly responsible for transmitting electromagnetic energy of resonance frequency alternation from a power transmitting terminal to a power receiving terminal through the technology of wireless electric power transmission, thereby providing an effective solution to the highly efficient conversion of electric energy into mechanical energy. The design of the system comprises frequency selection, power compensation and external structure design methods, and the system has characteristics of simple structure, remarkable effect, convenience for maintenance and flexibility in operation. The system mainly comprises a function signal generator (1), a power amplifier (2), a power transmitting circuit (3), a power receiving circuit (4), an electrical-mechanical transduction device (5), a voltage monitoring link (6) and a vibration monitoring link (7).
Description
Technical field
The present invention relates to a kind of EMSR electromagnetic energy emission and receiving system; This system is electromagnetism-mechanical synchronization resonance (Electromagnetic&Mechanical Synchronous Resonance; EMSR) one of core part of system; Main being responsible for will be sent to the power receiving terminal through the wireless power transmission technology from the power emission end with the electromagnetic energy of resonance frequency alternation, thereby for electric energy-mechanical energy effective conversion effective solution will be provided.The present invention design has comprised frequency selection, power back-off and external structure method for designing, have simple in structure, effect is obvious, the characteristics of easy to maintenance and flexible operation
Background technology
Magnetostrictive material, shape-memory material and piezoelectric not only can be to external world or internal physical, chemical change have perception; Can respond to the variation that takes place simultaneously; Have extensive use in the sensor and actuator field, therefore become the representative of new function material.Electricity-magnetic-quick the microdisplacement actuator of machine high accuracy that wherein utilizes magnetostrictive effect to process has and is easy to advantages such as integrated, microminiaturized, intellectuality, is widely used in fields such as modern precision processing, architectural engineering, robot, medical science and Aero-Space at present.The EMSR system mechanical energy that to be exactly this specific character of utilizing giant magnetostrictive material convert electromagnetic energy into same frequency thinks that the micro-tube robot that is difficult for the traction electric wire supplies power.
The present invention mainly utilizes the wireless power transmission technology; Electric energy to the micro-tube robot that is difficult for the traction electric wire is supplied with problem; Match through power emission circuit and power receiving circuit and to realize the wireless transmission of electric energy; For electricity-the machine transducing head is converted into mechanical energy alternating electromagnetic field is provided, have simple in structure, effect is obvious, the characteristics of easy to maintenance and flexible operation.
Summary of the invention
Technical problem to be solved by this invention is; By the wireless power transmission technology; To be sent to the power receiving circuit from the power emission circuit with the alternating electromagnetism energy that certain frequency changes, to electricity-machine transducing head alternating magnetic field will be provided then, thus with electromagnetic energy synchronous convert mechanical energy into.
The technical scheme that the present invention adopted is: emission of EMSR electromagnetic energy and receiving system; Include function signal generator (1) sine wave signal of a CF is transferred to power amplifier (2); Convert power into by power amplifier (2) and be loaded on power emission circuit (3); Power receiving circuit (4) obtains the AC power of same frequency through the wireless power transmission technology and supplies power to electricity-machine transducing head (5); Voltage monitoring link (6) is monitored the voltage waveform of power emission circuit (3) and power receiving circuit (4) simultaneously, and electricity-machine transducing head (5) converts electric energy into mechanical oscillation synchronously and monitored by vibration monitoring link (7).
Described power amplifier (2) is main core by the high power valve that can be operated under high frequency, the high voltage; Form high-power linear amplifier in conjunction with the peripheral electron device; When function signal generator (1) is exported a sinusoidal waveform according to power emission circuit (3) resonance frequency; Power amplifier (2) is enlarged into a power signal with this sinusoidal signal, and changes power output through the adjusting pressuring knob of electron tube.
Described power emission circuit (3) is made up of two parts: a part is to form the air core coil with certain inductance value on the coil rack by close being around in of high conductivity anaerobic copper cash; Another part is to choose electric metal film capacitor formation compensation circuit to be connected in parallel on air core coil head and the tail two ends, and the operating frequency of power emission circuit (3) is determined by above two parts simultaneously.
Described power receiving circuit (4) is made up of three parts: the first, on coil rack, form air-core inductance by the thinner oxygen-free copper enamelled wire in line footpath is close; The second, the parallelly connected metallized film capacitor of head and the tail, the appearance value of capacitor is selected the operating frequency of power receiving circuit (4) resonance frequency and power emission circuit (3) is consistent; The 3rd, the linear ultra-magnetic telescopic actuating mechanism of packing into and processing in the middle of the coil rack by giant magnetostrictive material.
Described electricity-machine transducing head (5) is made up of ultra-magnetic telescopic bar and Nd-Fe-B permanent magnetic piece, and permanent magnetism is adsorbed in the head end and the tail end of ultra-magnetic telescopic bar soon, thereby provides bias magnetic field to eliminate the frequency-doubled effect of material.When power receiving circuit (4) when working in driving frequency, the ultra-magnetic telescopic bar will outwards be exported axial stress or displacement with same frequency, thereby realize the synchronous conversion of electric energy and mechanical energy.
Described vibration monitoring link (7) is core parts by the good piezoelectric transducer SNAA51 of high frequency characteristics; Under stress or effects of strain, produce corresponding voltage signal through transducer; By this voltage signal of host computer collection and convert corresponding stress or strain signal into, thereby realize the real-time monitoring of stress or strain.
EMSR electromagnetic energy emission of the present invention and receiving system; On the basis of wireless power transmission; Electromagnetic energy is sent to the power receiving circuit and to electricity-machine transducing head electric energy is provided by the power emission circuit through wireless mode; Utilize the self-characteristic of giant magnetostrictive material to convert electrical energy into the mechanical energy of unified frequency then, in this process, realize the real-time monitoring of voltage and stress, strain through oscilloscope and SNAA51 piezoelectric transducer measuring system.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the power emission circuit diagram;
Fig. 3 is that power receives circuit diagram;
Fig. 4 is electromagnetic energy wireless transmit and receiving system sketch map;
Fig. 5 is the each several part structural relation figure of EMSR system.
Wherein:
a
1: power emission end a
2: the power receiving terminal
V
1: transmitting terminal voltage V
2: receiving-end voltage.
Embodiment
Below in conjunction with instance and accompanying drawing EMSR electromagnetic energy emission of the present invention is made detailed description with receiving system.
As shown in Figure 1, EMSR electromagnetic energy emission of the present invention and receiving system include function signal generator (1); Power amplifier (2); Power emission circuit (3); Power receiving circuit (4); Electricity-machine transducing head (5); Voltage monitoring link (6); Vibration monitoring link (7).
As shown in Figure 2, described power emission circuit (3) works in self resonance frequency, and this frequency is determined with parallelly connected metallic film electric capacity by the close inductance that constitutes around the anaerobic copper cash simultaneously.When power amplifier offers power emission circuit (3) power, the latter will send the electromagnetic power of alternation with resonance frequency.
As shown in Figure 3, the operating frequency of described power receiving circuit (4) is through close cooperatively interacting and regulating the back and guarantee with the resonance frequency of power emission circuit (3) consistent around anaerobic copper cash and parallelly connected metallic film electric capacity.When power receiving circuit (4) obtains electromagnetic power, thus will close be that the operate as normal of electricity-machine transducing head (5) provides safeguard around the inner alternating electromagnetic field that produces of anaerobic copper cash.
As shown in Figure 4, described power receiving circuit (4) and the coaxial placement of power emission circuit (3), and draw back a determining deviation.The size of this spacing receives many-sided influence such as power supply capacity, frequency, power circuit physical dimension, and electromagnetic energy can exchange between power receiving circuit (4) and power emission circuit (3) when meeting the demands.
As shown in Figure 5, described EMSR system at first sends sine wave signal by the operating frequency that function signal generator (1) is scheduled to according to power emission circuit (3), and this signal is set at 10kHz in native system.By power amplifier (2) this signal is enlarged into a power signal then, after the current-limiting protection link, supplies power to power emission circuit (3).EMR electromagnetic resonance takes place in power emission circuit (3), and through the wireless power transmission technology electromagnetic energy is sent to power receiving circuit (4).Then power receiving circuit (4) obtains electric energy, and in the middle of densely packed coil, produces the external electromagnetic field of certain magnetic field intensity.Electricity-machine transducing head (5) produces magnetostrictive effect, electromagnetic energy is converted into the mechanical energy of same frequency in this electromagnetic field.Context of detection is on the one hand through the voltage of oscilloscope measurement power emission circuit (3) with power receiving circuit (4); On the other hand, cooperate preamplifier, high-speed AD and host computer to realize the information gathering and the analysis of stress, strain jointly through the SNAA51 transducer.
EMSR electromagnetic energy emission of the present invention and receiving system; It is sinusoidal wave at first to export a 10kHz by function signal generator; Behind power amplifier, form a 10kHz power signal; This power by the power emission circuit wireless be sent to the power receiving circuit, and at the close alternating electromagnetic field that in the middle of copper coil, forms the 10kHz of certain intensity, thereby make electricity-machine transducing head electromagnetic energy converted into mechanical stress or the strain output of 10kHz.
Claims (3)
1.EMSR electromagnetic energy emission and receiving system; It is characterized in that including function signal generator (1) sine wave signal of a CF is transferred to power amplifier (2); Convert power into by power amplifier (2) and be loaded on power emission circuit (3); Power receiving circuit (4) obtains the AC power of same frequency through the wireless power transmission technology and supplies power to electricity-machine transducing head (5); Voltage monitoring link (6) is monitored the voltage waveform of power emission circuit (3) and power receiving circuit (4) simultaneously, and electricity-machine transducing head (5) converts electric energy into mechanical oscillation synchronously and monitored by vibration monitoring link (7).
2. EMSR electromagnetic energy emission according to claim 1 and receiving system; Its characteristic is that also described power emission circuit (3) is made up of two parts: a part is to form the air core coil with certain inductance value on the coil rack by close being around in of high conductivity anaerobic copper cash; Another part is to choose electric metal film capacitor formation compensation circuit to be connected in parallel on air core coil head and the tail two ends, and the operating frequency of power emission circuit (3) is determined by above two parts simultaneously.
3. EMSR electromagnetic energy emission according to claim 1 and receiving system, its characteristic is that also described power receiving circuit (4) is made up of three parts: the first, on coil rack, form air-core inductance by the thinner oxygen-free copper enamelled wire in line footpath is close; The second, the parallelly connected metallized film capacitor of head and the tail, the appearance value of capacitor is selected the operating frequency of power receiving circuit (4) resonance frequency and power emission circuit (3) is consistent; The 3rd, the linear ultra-magnetic telescopic actuating mechanism of packing into and processing in the middle of the coil rack by giant magnetostrictive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220140247XU CN202586514U (en) | 2012-04-06 | 2012-04-06 | EMSR electromagnetic energy transmitting and receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220140247XU CN202586514U (en) | 2012-04-06 | 2012-04-06 | EMSR electromagnetic energy transmitting and receiving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586514U true CN202586514U (en) | 2012-12-05 |
Family
ID=47255882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220140247XU Expired - Fee Related CN202586514U (en) | 2012-04-06 | 2012-04-06 | EMSR electromagnetic energy transmitting and receiving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566114A (en) * | 2018-01-09 | 2018-09-21 | 北京航空航天大学 | A kind of ultrasonic transducer excited frequency selection method |
| CN108847721A (en) * | 2018-06-25 | 2018-11-20 | 维沃移动通信有限公司 | A kind of wireless charging device, wireless charging system and electronic equipment |
-
2012
- 2012-04-06 CN CN201220140247XU patent/CN202586514U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566114A (en) * | 2018-01-09 | 2018-09-21 | 北京航空航天大学 | A kind of ultrasonic transducer excited frequency selection method |
| CN108847721A (en) * | 2018-06-25 | 2018-11-20 | 维沃移动通信有限公司 | A kind of wireless charging device, wireless charging system and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130406 |