CN213426157U - Low-frequency mechanical antenna communication system based on magnetoelectric antenna - Google Patents
Low-frequency mechanical antenna communication system based on magnetoelectric antenna Download PDFInfo
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- CN213426157U CN213426157U CN202023039412.6U CN202023039412U CN213426157U CN 213426157 U CN213426157 U CN 213426157U CN 202023039412 U CN202023039412 U CN 202023039412U CN 213426157 U CN213426157 U CN 213426157U
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Abstract
The utility model discloses a low frequency mechanical antenna communication system based on magnetoelectric antenna, including the shell device by the main casing body, the handle groove, the receiver hole, the conversation button, receiver hole and mechanical antenna constitute, the inside of the main casing body is provided with the battery jar, the microphone spare, magnetic field signal receiving arrangement, low frequency magnetic field signal transmitting device and receiver spare are constituteed, magnetic field signal receiving arrangement is by the magnetometer, low noise amplifier, low noise filter and spectral analyser constitute, low frequency magnetic field signal transmitting device comprises transmitter and power amplifier, the transmitter comprises magnetostrictive layer and piezoelectricity core layer, the battery jar is by the battery spare, battery buckle and cross electrode are constituteed. This low frequency mechanical antenna communication system based on magnetoelectric antenna has that the interference killing feature is strong, and transmission distance is far away and spread reliable and stable, penetrability communication to overcome traditional antenna communication mode infrastructure too huge, reduce size, weight and consumption, portable's advantage.
Description
Technical Field
The utility model relates to a low frequency communication technical field specifically is a low frequency mechanical antenna communication system based on magnetoelectric antenna.
Background
Low frequency communication techniques are techniques for wireless communication using the ultra/very low frequency spectrum band in the radio spectrum. Radio frequency technology has dominated the wireless communication of our modern society. However, radio frequency technology still has shortcomings and limitations that do not meet specific communication requirements. For example, underground and underwater are challenging environments, and radio frequency communications are rejected due to the absorption of high frequency electromagnetic waves in dense media. For submarine communications, Very Low Frequency (VLF) band (3-30 khz) signals have a relatively large skin depth for penetrating conductive water. Very low frequency band communication, however, can only be achieved as a one-way transmission from the base station to the submarine. Since the wavelength is 10-100 km long in the very low frequency band, even a small electronic antenna has a large size, which is impractical for installation on a submarine. Furthermore, for base station transmitter masts operating in very low frequency bands, these physically large radio towers are still electrically small antennas with low radiation resistance but consume significant power compared to wavelengths of several tens of kilometres. An example is the very low frequency transmitter cartler, which is an american naval radio station (NAA) operating at 24 khz with 1.8 mw input power.
Aiming at the defects that the conventional low-frequency communication antenna is overlarge in size, a target is exposed in wartime and the like, DARPA (radar ranging antenna) in 1 month and 6 days in 2017 proposes an ultra/ultra low frequency wireless transmitter concept Based on a new mechanism, namely an AMEBA (advanced multimedia Based antenna) project, aims to change a mode for generating low-frequency electromagnetic waves in principle, and proposes a new mechanism to primarily provide three principle schemes, namely a rotary electric dipole, a rotary electric monopole and a rotary magnetic dipole. Since 2017, research into designing mechanical antennas for low frequency transmission based on rotating magnets or rotating electrets has been conducted many times. However, these methods are still low power efficient and the magnetic field strength generated is limited for long range communication.
Aiming at the project, the design of a mechanical antenna communication system based on a magnetoelectric antenna is provided, the size of a low-frequency antenna can be further reduced, and the mechanical antenna communication system is easy to carry, and is suitable for being used in complex environments such as high maneuverability, small space and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low frequency mechanical antenna communication system based on magnetoelectric antenna, it is strong to have the interference killing feature, transmission distance is far away and propagate reliable and stable advantage, in order to can be better application low frequency communication, realize strategic ultra-long range, penetrability communication to overcome traditional antenna communication mode infrastructure too bulky, and show size, weight and the consumption that reduces current low frequency communication equipment, portable's advantage has solved the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a low-frequency mechanical antenna communication system based on a magnetoelectric antenna comprises a shell device, a hand holding groove, a receiver hole, a call key, a receiver hole and a mechanical antenna piece, wherein the shell device is provided with a battery groove, the receiver piece, a magnetic field signal receiving device, a low-frequency magnetic field signal transmitting device and the receiver piece, the magnetic field signal receiving device comprises a magnetometer, a low-noise amplifier, a low-noise filter and a spectrum analyzer, the low-frequency magnetic field signal transmitting device comprises a transmitter, a power amplifier and a signal generator, the transmitter comprises a magnetostrictive layer and a piezoelectric core layer, the signal generator comprises a cross electrode and a piezoelectric core layer, the battery groove comprises a battery piece, a battery buckle plate and the cross electrode, and the magnetic field signal receiving device is electrically connected with the low-frequency magnetic field signal transmitting device to generate communication signals.
Preferably, the bilateral symmetry of the main casing body is provided with the handle groove, and another side upper portion of the main casing body is provided with the receiver hole, and the below of receiver hole is provided with the conversation button, and the below of conversation button is provided with the microphone hole, and the top of the main casing body is provided with mechanical antenna spare.
Preferably, a battery jar is arranged at the bottom end inside the main shell, a battery piece is arranged inside the battery jar, a battery buckle plate is arranged on the battery jar, the side face of the battery jar is electrically connected with one end of the cross electrode, and the cross electrode generates cross current.
Preferably, a microphone piece is arranged beside the battery jar and in a position corresponding to the microphone hole, a transmitter is arranged beside the microphone piece, a piezoelectric core layer is arranged in the middle of the magnetostrictive layer, and the other end of the cross electrode is electrically connected with the piezoelectric core layer.
Preferably, a receiver piece is arranged beside the transmitter and in a position corresponding to the receiver hole, a magnetic field signal receiving device is arranged beside the receiver piece, and the magnetometer, the low-noise amplifier, the low-noise filter and the spectrum analyzer are electrically connected.
Preferably, a power amplifier is arranged beside the other side of the earphone part and electrically connected with the magnetostrictive layer and the piezoelectric core layer.
Preferably, the talk button penetrates from the side to the inside of the main housing and is connected with the transmitter, and the mechanical antenna penetrates from the top to the inside of the main housing and is electrically connected with the magnetometer and the power amplifier.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this low frequency mechanical antenna communication system based on magnetoelectric antenna, mechanical coupling through between piezoelectric core layer and the magnetostrictive layer changes, finally produce low frequency magnetic field signal, can reduce required antenna's size and consumption by a wide margin, save space and resource, mechanical antenna is to receiving direction transmission, the interference killing feature is strong, transmission distance is far away and propagate reliable and stable, the use of magnetometer simultaneously, compare with electric field signal, the interference that magnetic field signal received in the transmission process is little, consequently can accurately catch small magnetic field signal, the accuracy is high, encapsulate the device through the main casing body and overcome traditional antenna communication mode infrastructure too huge, show the size that reduces current low frequency communication equipment, weight and consumption, portable.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a sectional view of the overall front internal structure of the present invention;
FIG. 3 is a sectional view of the internal structure of the integral side surface of the present invention;
fig. 4 is a schematic plan view of the bottom structure of the housing device of the present invention;
fig. 5 is a block diagram of a communication system of the present invention;
fig. 6 is a block diagram of the low frequency magnetic field signal transmission module of the present invention;
fig. 7 is a block diagram of the magnetic field signal receiving module of the present invention.
In the figure: 1. housing means; 11. a main housing; 12. a grip groove; 13. a can hole; 14. a call key; 15. a microphone aperture; 16. a mechanical antenna element; 2. a battery case; 21. a battery piece; 22. a battery buckle plate; 23. a cross electrode; 3. a microphone component; 4. a transmitter; 41. a magnetostrictive layer; 42. a piezoelectric core layer; 5. a magnetic field signal receiving device; 51. a magnetometer; 52. a low noise amplifier; 53. a low noise filter; 54. a spectrum analyzer; 6. a low-frequency magnetic field signal transmitting device; 61. a power amplifier; 7. a can piece; 9. a signal generator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, a low-frequency mechanical antenna communication system based on a magnetoelectric antenna comprises a housing device 1 composed of a main housing 11, a handshake slot 12, a handset slot 13, a talk button 14, a handset slot 15 and a mechanical antenna element 16, wherein the main housing 11 is internally provided with a battery slot 2, a handset element 3, a magnetic field signal receiving device 5, a low-frequency magnetic field signal transmitting device 6 and a handset element 7, the magnetic field signal receiving device 5 is composed of a magnetometer 51, a low-noise amplifier 52, a low-noise filter 53 and a spectrum analyzer 54, the low-frequency magnetic field signal transmitting device 6 is composed of a transmitter 4, a power amplifier 61 and a signal generator 9, the transmitter 4 is composed of a magnetostrictive layer 41 and a piezoelectric core layer 42, the signal generator 9 is composed of a cross electrode 23 and a piezoelectric core layer 42, the battery slot 2 is composed of a battery element 21, a battery buckle 22 and a cross electrode 23, the magnetic field signal receiving device 5 is electrically connected with the low-frequency magnetic field signal transmitting device 6 to generate a communication signal, the two sides of the main shell 11 are symmetrically provided with handle grooves 12, the upper part of the other side surface of the main shell 11 is provided with a receiver hole 13, a call key 14 is arranged below the receiver hole 13, a receiver hole 15 is arranged below the call key 14, the top end of the main shell 11 is provided with a mechanical antenna element 16, the bottom end inside the main shell 11 is provided with a battery groove 2, the battery element 21 is arranged inside the battery groove 2, the battery buckle 22 is arranged on the battery groove 2, the side surface of the battery groove 2 is electrically connected with one end of a cross electrode 23, the cross electrode 23 generates cross current, the microphone element 3 is arranged at the position corresponding to the receiver hole 15 beside the battery groove 2, the transmitter 4 is arranged beside the microphone element 3, the middle of the magnetostrictive layer 41 is provided with a piezoelectric core layer 42, and the other end of the cross electrode, a receiver piece 7 is arranged beside the transmitter 4 corresponding to the position of the receiver hole 13, a magnetic field signal receiving device 5 is arranged beside the receiver piece 7, the magnetometer 51, the low noise amplifier 52, the low noise filter 53 and the spectrum analyzer 54 are electrically connected, a power amplifier 61 is arranged beside the other side of the receiver piece 7, the power amplifier 61 is electrically connected with the magnetostrictive layer 41 and the piezoelectric core layer 42, the talk button 14 penetrates through the transmitter 4 from the side surface of the main shell 11, and the mechanical antenna 16 penetrates through the inside of the main shell 11 and is electrically connected with the magnetometer 51 and the power amplifier 61.
The working principle is as follows: before the device is used, a person presses a call key 14 and speaks towards a microphone hole 15, a microphone piece 3 converts received voice into voice signals, the call key 14 applies external force on a transmitter 4 to enable the piezoelectric core layer 42 to generate polarization inside and finally generate opposite charges on the surface to generate mechanical vibration, then the mechanical coupling change between the piezoelectric core layer 42 and the magnetostrictive layer 41 is applied to enable the mechanical vibration of the piezoelectric core layer 42 to cause the generation of the magnetized vibration of the magnetostrictive layer 41 and finally generate low-frequency magnetic field signals, finally the voice signals are transmitted to the receiving direction by using a mechanical antenna piece 16, meanwhile, a magnetometer 51 is used for receiving mixed magnetic field signals, compared with electric field signals, the interference on the magnetic field signals in the transmission process is small, therefore, tiny magnetic field signals can be accurately captured, and finally, the low-noise amplifier 52, The low-noise filter 53 and the spectrum analyzer 54 amplify, filter and demodulate the mixed magnetic field signal to obtain a required communication signal, thereby completing the low-frequency wireless communication process.
In summary, the following steps: this low frequency mechanical antenna communication system based on magnetoelectric antenna, change through the mechanical coupling between piezoelectric core layer 42 and the magnetostrictive layer 41, finally produce low frequency magnetic field signal, can reduce the size and the consumption of required antenna by a wide margin, save space and resource, mechanical antenna spare 16 is to receiving direction transmission, the interference killing feature is strong, transmission distance is far away and propagate reliable and stable, magnetometer 51's use simultaneously, compare with electric field signal, the interference that magnetic field signal received in the transmission process is little, consequently, can accurately catch small magnetic field signal, the accuracy is high, encapsulate the device through main casing body 11 and overcome traditional antenna communication mode infrastructure too bulky, show the size that reduces current low frequency communication equipment, weight and consumption, and convenient to carry.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A low frequency mechanical antenna communication system based on magnetoelectric antenna, includes shell device (1), its characterized in that: the shell device (1) consists of a main shell (11), a handshake groove (12), a headphone hole (13), a call key (14), a microphone hole (15) and a mechanical antenna element (16), wherein a battery groove (2), a microphone element (3), a magnetic field signal receiving device (5), a low-frequency magnetic field signal transmitting device (6) and a headphone element (7) are arranged inside the main shell (11), the magnetic field signal receiving device (5) consists of a magnetometer (51), a low-noise amplifier (52), a low-noise filter (53) and a spectrum analyzer (54), the low-frequency magnetic field signal transmitting device (6) consists of a transmitter (4), a power amplifier (61) and a signal generator (9), the transmitter (4) consists of a magnetostrictive layer (41) and a piezoelectric core layer (42), the signal generator (9) consists of a crossed electrode (23) and a piezoelectric core layer (42), the battery jar (2) comprises battery spare (21), battery buckle (22) and cross electrode (23), and magnetic field signal receiving arrangement (5) and low frequency magnetic field signal emitter (6) electric connection produce communication signal.
2. The low-frequency mechanical antenna communication system based on the magnetoelectric antenna is characterized in that two sides of the main shell (11) are symmetrically provided with handle grooves (12), the upper part of the other side surface of the main shell (11) is provided with a receiver hole (13), a call key (14) is arranged below the receiver hole (13), a receiver hole (15) is arranged below the call key (14), and the top end of the main shell (11) is provided with a mechanical antenna element (16).
3. The low-frequency mechanical antenna communication system based on the magnetoelectric antenna is characterized in that a battery jar (2) is arranged at the bottom end inside the main shell (11), a battery piece (21) is installed inside the battery jar (2), a battery buckle plate (22) is installed on the battery jar (2), the side face of the battery jar (2) is electrically connected with one end of a cross electrode (23), and the cross electrode (23) generates cross current.
4. The low-frequency mechanical antenna communication system based on the magnetoelectric antenna is characterized in that a microphone piece (3) is arranged beside the battery jar (2) corresponding to the position of the microphone hole (15), a transmitter (4) is arranged beside the microphone piece (3), a piezoelectric core layer (42) is arranged in the middle of the magnetostrictive layer (41), and the other end of the cross electrode (23) is electrically connected with the piezoelectric core layer (42).
5. The low-frequency mechanical antenna communication system based on the magnetoelectric antenna is characterized in that a receiver piece (7) is arranged beside the transmitter (4) corresponding to the position of the receiver hole (13), a magnetic field signal receiving device (5) is arranged beside the receiver piece (7), and the magnetometer (51), the low-noise amplifier (52), the low-noise filter (53) and the spectrum analyzer (54) are electrically connected.
6. A low-frequency mechanical antenna communication system based on a magnetoelectric antenna according to claim 1, characterized in that a power amplifier (61) is arranged beside the other side of the receiver member (7), and the power amplifier (61) is electrically connected with the magnetostrictive layer (41) and the piezoelectric core layer (42).
7. A low frequency mechanical antenna communication system based on magnetoelectric antenna according to claim 1, characterized in that, the talk button (14) is connected with the emitter (4) from the side to the inside of the main housing (11), the mechanical antenna element (16) is connected with the magnetometer (51) and the power amplifier (61) from the top to the inside of the main housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039412.6U CN213426157U (en) | 2020-12-16 | 2020-12-16 | Low-frequency mechanical antenna communication system based on magnetoelectric antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039412.6U CN213426157U (en) | 2020-12-16 | 2020-12-16 | Low-frequency mechanical antenna communication system based on magnetoelectric antenna |
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| Publication Number | Publication Date |
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| CN213426157U true CN213426157U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023039412.6U Expired - Fee Related CN213426157U (en) | 2020-12-16 | 2020-12-16 | Low-frequency mechanical antenna communication system based on magnetoelectric antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597638A (en) * | 2022-03-09 | 2022-06-07 | 清华大学 | Flexible magnetoelectric composite low-frequency mechanical antenna and preparation method thereof |
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2020
- 2020-12-16 CN CN202023039412.6U patent/CN213426157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597638A (en) * | 2022-03-09 | 2022-06-07 | 清华大学 | Flexible magnetoelectric composite low-frequency mechanical antenna and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 Termination date: 20211216 |