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WO2009018750A1 - Générateur destiné à produire des ondes infrasonores - Google Patents

Générateur destiné à produire des ondes infrasonores Download PDF

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Publication number
WO2009018750A1
WO2009018750A1 PCT/CN2008/071791 CN2008071791W WO2009018750A1 WO 2009018750 A1 WO2009018750 A1 WO 2009018750A1 CN 2008071791 W CN2008071791 W CN 2008071791W WO 2009018750 A1 WO2009018750 A1 WO 2009018750A1
Authority
WO
WIPO (PCT)
Prior art keywords
rare earth
permanent magnet
magnetic
high magnetic
earth permanent
Prior art date
Application number
PCT/CN2008/071791
Other languages
English (en)
Chinese (zh)
Inventor
Lunhua Yang
Original Assignee
Lunhua Yang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lunhua Yang filed Critical Lunhua Yang
Publication of WO2009018750A1 publication Critical patent/WO2009018750A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism

Definitions

  • the invention relates to an infrasonic wave generator, belonging to the technical field of infrasound wave generation, in particular to a technology such as a high power flat panel speaker, which can be used as an infrasound weapon, a super low frequency sound vibrating device or other high power sound source.
  • infrasonic generators have been extensively studied, particularly in the military field.
  • the infrasound wave is used as a weapon of war.
  • the main reason is that the frequency of the infrasound wave is just in the resonance frequency range of the main organs of the human body such as the brain, kidney, heart, liver and lung. Therefore, when the main organs are in strong resonance, it is easy to cause Tears, coma, etc. in the brain, kidney, heart, liver and lungs of major organs can easily cause death or coma.
  • many developed countries such as the United States and France are secretly developing infrasonic weapons in secret.
  • infrasonic weapons gas-explosive infrasonic weapons, bomb-type infrasonic weapons, tubular infrasound weapons, Yangsheng sub-sonic weapons, and frequency-sampling (subtractive) infrasound weapons.
  • gas-explosive infrasonic weapons bomb-type infrasonic weapons
  • tubular infrasound weapons tubular infrasound weapons
  • Yangsheng sub-sonic weapons Yangsheng sub-sonic weapons
  • frequency-sampling (subtractive) infrasound weapons frequency-sampling (subtractive) infrasound weapons.
  • the ultra-low frequency super-high-power acoustic vibration device is the ultra-low frequency super-high-power acoustic vibration device.
  • the equipment structure of the infrasonic wave generator and the ultra-low frequency super-high-power acoustic vibration device are generally similar. The main difference is that the frequency range of the system is different.
  • the acoustic vibration generated by the ultra-low frequency super-high-power acoustic vibration device is oscillated in the cloud region, and it is easy to form an artificial shear line between the clouds, which causes strong crushing and collision between the water droplets in the cloud.
  • the ultra-low frequency acoustic vibration rainers are distributed on the ground.
  • the existing ultra-low frequency super-high-power acoustic vibration rainers are unable to realize the rain generation due to the low emission power of the ultra-low frequency acoustic vibration.
  • the object of the present invention is to adopt a new magnetic circuit design to enable the production of an ultra-high power infrasonic wave generating device.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide a secondary power output. Sound generator.
  • the infrasonic wave generator includes an electromagnetic vibration generator for forcing air vibration to emit an infrasound wave, and a frequency control system for controlling a vibration frequency, the electromagnetic vibration generator including a high magnetic permeability a core pillar, a multi-layer rare earth permanent magnet sheet disposed around the high magnetic pole strip core pillar, and a high magnetic permeability strip sheet disposed on the periphery of the multilayer rare earth permanent magnet sheet, the high magnetic conductive strip core pillar and the inner core
  • a multilayer wire package with a conversion current is interposed between the layer rare earth permanent magnet sheets, between the plurality of rare earth permanent magnet sheets, between the outer rare earth permanent magnet sheets and the high magnetic permeability strips, and the multilayer line
  • the package is connected to a vibrating plate via a non-magnetic connecting rod, and the multi-layered wire package can vibrate back and forth along a high-magnetic magnetic strip core column, thereby driving the vibrating plate to vibrate back and forth to generate an infrasound
  • the invention has the beneficial effects of: adopting a new magnetic circuit design to manufacture a subsonic wave generating device with high power output, the subsonic wave generating device can be applied not only in the military field, but also to the ultra low frequency super high power acoustic vibration device. It can also provide an excellent means for all human beings to transform the environment of nature. At the same time, the present invention can also provide a high-power sound source generator for oil exploration and marine search for objects. However, since the present invention can be applied to infrasonic weapons, there is a potential danger of causing a large number of casualties during the test and use. Therefore, it is recommended that the device should be tested and manufactured within the scope of the military pipe, and the vibration frequency should be controlled in the main organ resonance of the human body. Outside the frequency range.
  • FIG. 1 is a schematic view showing the structure of an electromagnetic vibration generator according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view taken along line A - A of Figure 1;
  • FIG. 3 is a schematic diagram of beam convergence according to the present invention using an electronic phased array technology.
  • Al, A2, A3, A4, A5, A6, A7, A8 represent the phased array layout of multiple electromagnetic vibration generators, d represents the distance between each electromagnetic vibration generator, f focus, H represents the focus to the electromagnetic vibration generator Group The distance from the center point of the body.
  • FIG. 4 is a cross-sectional view of a magnetic line of a set of multilayer wire packages in accordance with an embodiment of the present invention.
  • 2 is a non-magnetic connecting rod; 3 is a high magnetic conductive long strip core; 4 is a high magnetic conductive strip; 5 is a multi-layer wire package;
  • Fl, F2, F3 are rare earth permanent magnet sheets located in different layers.
  • Figure 5 is a cross-sectional view showing the magnetic field lines of another set of multilayer wire packages in accordance with an embodiment of the present invention.
  • 2 is a non-magnetic connecting rod; 3 is a high magnetic conductive long strip core; 4 is a high magnetic conductive strip; 5 is a multi-layer wire package;
  • Fl, F2, F3 are rare earth permanent magnet sheets located in different layers.
  • Figure 6 is a circuit diagram of a bistable oscillator circuit in accordance with an embodiment of the present invention.
  • LI, L2 are relays (coil part), Rl, R2 are resistors, Cl, C2 are capacitors, XI,
  • X2 is a crystal triode.
  • Fig. 7 is a current direction transition diagram of an embodiment of the present invention.
  • S, S ' are two common lead wires of two sets of multi-layer wire packages;
  • L1 ' and L2 ' are respectively converted joints of relays L1 and L2.
  • Figure 8 is a series connection diagram of a plurality of electromagnetic vibration generators in accordance with an embodiment of the present invention.
  • the infrasonic wave generator of the present invention comprises an electromagnetic vibration generator for forcing air vibration to emit an infrasound wave and a frequency control system for controlling a vibration frequency, the electromagnetic vibration generator comprising a high magnetic permeability strip core 3, disposed on a multi-layer rare earth permanent magnet sheet around the high magnetic conductive strip core 3 and a high magnetic permeability strip 4 disposed on the periphery of the multilayer rare earth permanent magnet sheet, the high magnetic conductive strip core 3 and the inner layer rare earth permanent.
  • a multi-layer wire package 5 through which a current is applied is provided, and the multilayer package 5 is connected to a vibrating plate 1 via the non-magnetic connecting rod 2, in the embodiment, the non-magnetic connecting rod 2 is made of a non-magnetic stainless steel rod, and the multi-layered wire package 5 can be along the high magnetic conductive strip post 3
  • the large thrust is vibrated back and
  • the magnetic field line in the rectangular frame structure composed of the high magnetic permeability strip core 3, the multilayer rare earth permanent magnet sheet, the multilayer wire package 5, and the high magnetic permeability strip 4 is a high magnetic length at one end of the frame structure
  • Strip core The column 3 starts to diverge onto the high magnetic permeability strip 4 through the multilayer rare earth permanent magnet sheet and the multilayer wire package 5, and passes through the multilayer rare earth permanent magnet sheet from the high magnetic permeability strip 4 at the other end of the frame structure.
  • the multi-layer wire package 5 is gathered on the high magnetic conductive strip core 3, and the high magnetic conductive strip 4 and the high magnetic long strip core 3 close the magnetic lines at both ends to form a closed magnetic circuit.
  • the above frequency control system is composed of the bistable oscillator circuit shown in FIG. 6 and the current direction converting circuit shown in FIG. 7.
  • the coil of the relay L1, L2 is connected to the line of the bistable oscillator circuit.
  • L1' is the conversion contact of relay L1
  • L2' is the transformation contact of relay L2.
  • the two sets of multi-layer wire packages 5 are connected to the opposite currents, and as shown in FIG. 6 and FIG. 7, when the relays L1 and L2 are switched between the power-on and power-off states, the switching contacts of the two relays are correspondingly performed. The action is changed so that the current passing through the multilayer wire package 5 is changed.
  • the multi-layer wire package 5 is divided into two groups and is disposed at two ends of the high magnetic conductive strip core 3, and the two sets of multi-layer wire packages 5 are fixedly connected by the non-magnetic link 2, and the vibration plate 1 is disposed at The overhanging end of the non-magnetic link 2.
  • the multi-layer wire package 5 in two or more electromagnetic vibration generators is connected in series via the non-magnetic link 2, and the overhanging end of the non-magnetic link 2 is connected with the vibration plate 1, and then the electronic phased array focusing technique is used.
  • the position of the electromagnetic vibration generator is arranged to form a shock wave of the focused beam to combine to enhance the intensity of the transmitted shock wave.
  • the first part is how to realize the new magnetic circuit design.
  • the difficulty lies in the winding of two sets of multi-layer wire package 5 and the spatial structure problems of rare earth permanent magnet flakes and high magnetic permeability long post cores.
  • Fig. 1 and Fig. 2 show the structure of a high magnetic permeability strip core 3, a rare earth permanent magnet sheet, and a high magnetic permeability strip 4 in the electromagnetic vibration generator.
  • 4 and 5 show a cross-sectional view of the magnetic field lines of the two sets of multilayer wire packages 5.
  • the following detailed implementation process is specially made. There are two things to do: prepare the work and wind the wire package and other assembly work.
  • the non-magnetic pad 6 After determining the thickness of each layer of rare earth permanent magnet flakes and the gap distance between the pieces, the non-magnetic pad 6 is made, the quantity is large, and then the quick-drying curing glue is prepared (better with the two-component adhesive), Silicone oil and high-strength enameled wire that meets specifications.
  • the galvanized sheet is made of a template larger than the rare earth permanent magnet sheet, and its length is 3 cm longer than that of the rare earth permanent magnet sheet, and its width and thickness are both 0.2 mm, which is similar to that of the rare earth permanent magnet sheet.
  • Winding wire package and other assembly work first fix the high magnetic permeability long stem 3 to the two ends of the automatic winding machine.
  • the both sides of the 0.2 mm galvanized sheet gasket are coated with silicone oil, and then attached to the four sides of the side end of the high magnetic conductive strip post 3, and tied tightly.
  • Start winding can't overlap, after finishing one layer, apply quick-drying curing glue once, don't overdo it, then wrap around the second layer, then apply the curing glue once after winding, when the multilayer cable pack 5
  • the winding is suspended when the thickness of the layer reaches a gap between the highly magnetic long strip core 3 and the inner rare earth permanent magnet sheet.
  • the inner layer of the rare earth permanent magnet sheet is coated with silicone oil on both sides of the template, and placed on the coil at a suitable position. And the long strips 7 are adhered to the curing glue and placed in the gaps adjacent to the four templates, and then the second layer of the multilayer package 5 is wound, as in the first layer. After winding the wire package, the second layer of the four rare earth permanent magnet sheets is also placed, and the long small gaskets 7 to which the curing glue is adhered are placed at the gaps adjacent to the four templates. Then continue around the third layer until the winding is stopped after the last layer is wound. Cut the lead wire of the enameled wire and take it out.
  • the second group of multi-layer wire packages 5 are wound on the other end of the high-magnetic-length strip-shaped stem 3, and then stopped, and the lead wires of the multi-layer wire package 5 are also taken out.
  • the respective template and the four galvanized sheet gaskets are respectively pulled out, the corresponding rare earth permanent magnet sheets are placed, and the non-magnetic spacers 6 are respectively placed. It must be done that the two sets of multi-layer wire package 5 can flexibly reciprocate back and forth between the multilayer gaps of the rare earth permanent magnet sheets, and the sliding is free, which is considered to be qualified.
  • the lead wires of the two inner layer coils of the two layers of the multi-layer wire package 5 are connected together (see point P in Fig. 2).
  • the outermost coil lead wires of the two sets of wire packs (such as the S and S ' M ⁇ common current in and out lines in Figure 2).
  • the non-magnetic pad between the rare earth permanent magnet sheet and the high magnetic permeability strip 4 on the last four sides of the last layer is placed.
  • the non-magnetic pad 6 is fixed and connected, so that the high magnetic conductive long post 3, the plurality of rare earth permanent magnet flakes Fl, F2, F3, F4 and the high magnetic conductive length located in different layers Strip board 4 between the three
  • the non-magnetic pad 6 is solidified to form a solid whole. Once done, it is also guaranteed that the two sets of multi-layer wire packages 5 can swing freely and flexibly between their frames.
  • the technical solution of the present invention uses a bistable oscillator circuit as shown in Fig. 6 to control the conversion of the DC power source into an alternating current of an adjustable frequency.
  • the wires of the L1 and L2 relays are connected to the collectors of the transistors XI and X2 for conduction and cutoff output. Adjusting the value of the product of C1 and P R1, C2 and R2 changes the bistable oscillation frequency.
  • the current direction of the two sets of multilayer package 5 can be changed by the transformation of the relay contacts L1 ' and L2' as shown in FIG.
  • the combination of the enhanced infrasonic wave generator emission intensity is then considered in the technical solution of the present invention.
  • the enameled wire area is 0.5mm 2 and the direct current is 3 amps.
  • the current direction is perpendicular to the direction of the magnetic field.
  • the magnetic induction intensity is 2.5 Tesla in the strong magnetic field. If both sets of lines are 5 layers, each layer of coil The middle layer is wound around 3 layers, and each side of the coil is 6 cm wide and 4 cm long. The four sides of each layer of the coil are in the gap of the rare earth permanent magnet sheet.
  • the vibration thrust generated by a single infrasonic wave generator has more than 300 kilograms, so that the vibration plate 1 generates a shock wave.
  • the vibration coils of two or more electromagnetic vibration generators may be connected in series as shown in FIG. 8, that is, a plurality of electromagnetic vibration generators are connected in series through a non-magnetic stainless steel rod. , and then connected to the vibrating plate 1.
  • an electronic phased array aggregation technique is used.
  • This is a relatively mature technology in the use of ultrasonic detection technology.
  • the infrasound wave and the ultrasonic wave are both mechanical vibration waves.
  • the wave speed is the same, many properties are the same, but the frequency is different, so this technology can be borrowed.
  • a plurality of vibrating elements are respectively placed at positions of Al, A2, A3, ..., f is the focus, and H is the distance from the focus to the center point of the electromagnetic vibration generator group.
  • Beam focusing can be achieved by appropriately adjusting the distance d between the electromagnetic vibration generators according to the coherence of the mechanical vibration waves.
  • each of the vibrating elements occupies a large area, especially a super-high-power acoustic vibrating device, so the vehicle-foldable frame structure is adopted for transportation.
  • the above is a preferred embodiment of the present invention, and any changes made by the technical solutions of the present invention are not within the scope of the technical solutions of the present invention.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

Cette invention se rapporte à un générateur destiné à produire des ondes infrasonores qui comprend un générateur vibrant électromagnétique forçant l'air à vibrer, afin de produire une onde infrasonore, et un système de commande de fréquence servant à commander la fréquence du générateur vibrant. Le générateur vibrant comprend un long faisceau central en bande long et à perméabilité magnétique élevée (3), une pluralité de feuilles minces à aimant permanent lanthanide disposées autour du faisceau central, une mince plaquette à perméabilité magnétique élevée (4) placée autour de la feuille et une pluralité de bobines à couche recevant un courant alternatif fourni entre elles. Les bobines sont reliées à une plaque vibrante (1) par l'intermédiaire d'une bielle non magnétique (2). Les bobines vibrent le long du faisceau central, amenant ainsi la plaque vibrante à vibrer pour produire des ondes infrasonores.
PCT/CN2008/071791 2007-08-08 2008-07-29 Générateur destiné à produire des ondes infrasonores WO2009018750A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710009340A CN101363698B (zh) 2007-08-08 2007-08-08 次声波发生器
CN200710009340.0 2007-08-08

Publications (1)

Publication Number Publication Date
WO2009018750A1 true WO2009018750A1 (fr) 2009-02-12

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Application Number Title Priority Date Filing Date
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CN (1) CN101363698B (fr)
WO (1) WO2009018750A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492360A (en) * 2011-06-29 2013-01-02 Gp Acoustics Internat Ltd Permanent rare-earth magnet assembly for a loudspeaker

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324228B (zh) * 2011-06-22 2012-08-15 江苏大学 一种基于激光冲击波的次声波发生装置
CN102405898B (zh) * 2011-12-13 2013-03-20 郝建波 次声波发生装置
CN103363841B (zh) * 2013-07-23 2015-04-22 郁百超 微功耗次声武器
CN103875489A (zh) * 2014-03-12 2014-06-25 沈阳理工大学 一种利用声波降雨的方法
CN110860451B (zh) * 2019-11-11 2020-09-08 浙江大学 一种利用干、湿气流产生次声的装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369177A2 (fr) * 1988-10-17 1990-05-23 Storz Medical Ag Dispositif pour générer des ondes de choc acoustiques focalisées
US5355351A (en) * 1992-07-22 1994-10-11 Oki Electric Industry Co., Ltd. Underwater low-frequency sound producer using a rare earth alloy
US6268671B1 (en) * 1997-10-29 2001-07-31 Alps Electric Co. Ltd. Vibration generation apparatus
JP2003153379A (ja) * 2001-11-09 2003-05-23 Sony Corp スピーカ
JP2003211089A (ja) * 2002-01-18 2003-07-29 Kazuhiko Yukimura パルス電流駆動振動装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369177A2 (fr) * 1988-10-17 1990-05-23 Storz Medical Ag Dispositif pour générer des ondes de choc acoustiques focalisées
US5355351A (en) * 1992-07-22 1994-10-11 Oki Electric Industry Co., Ltd. Underwater low-frequency sound producer using a rare earth alloy
US6268671B1 (en) * 1997-10-29 2001-07-31 Alps Electric Co. Ltd. Vibration generation apparatus
JP2003153379A (ja) * 2001-11-09 2003-05-23 Sony Corp スピーカ
JP2003211089A (ja) * 2002-01-18 2003-07-29 Kazuhiko Yukimura パルス電流駆動振動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492360A (en) * 2011-06-29 2013-01-02 Gp Acoustics Internat Ltd Permanent rare-earth magnet assembly for a loudspeaker

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Publication number Publication date
CN101363698A (zh) 2009-02-11
CN101363698B (zh) 2012-10-03

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