CN107070549A - Space communication system based on ferromagnetic concentrator - Google Patents
Space communication system based on ferromagnetic concentrator Download PDFInfo
- Publication number
- CN107070549A CN107070549A CN201710254300.6A CN201710254300A CN107070549A CN 107070549 A CN107070549 A CN 107070549A CN 201710254300 A CN201710254300 A CN 201710254300A CN 107070549 A CN107070549 A CN 107070549A
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- Prior art keywords
- magnetic
- ferromagnetic concentrator
- receiving
- signal
- coil
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
Abstract
The present invention relates to magnetic communication technical field, a kind of space communication system based on ferromagnetic concentrator is disclosed.Transmitting terminal of the present invention is used to excite magnetic flux change using alternating magnetic field, and magnetic signal is launched；Receiving terminal is used for by detecting and receiving magnetic signal, and carries out decoding recovery；Ferromagnetic concentrator is located between transmitting terminal and receiving terminal, for attracting external magnetic field, reduces the magnetic loss of signal；Transmitting terminal includes signal generator and transmitting coil, and the signal output part of signal generator is connected with transmitting coil；Receiving terminal includes receiving coil and Magnetic Sensor, the signal input part connection of receiving coil and Magnetic Sensor；The number of turn of transmitting coil is identical with the number of turn of receiving coil；Ferromagnetic concentrator is made up of 12 cones, is the entity being made up of high magnetic conductance material, and the draw ratio of ferromagnetic concentrator is more than 10.The present invention is simple in construction, be effectively reduced field decay, improve transmission range and magnetic communication channel capacity, the reduction magnetic communication bit error rate.
Description
Technical field
The present invention relates to magnetic communication technical field, more particularly to a kind of space communication system based on ferromagnetic concentrator.
Background technology
Communication system is broadly divided into wire communication and wireless telecommunications according to transmission medium, and more traditional wire communication makes
It is larger with limitation, running into some special application environments, such as special geographical environment in mountain region, lake, forest zone or shifting
When animal body etc. connects up relatively difficult application environment, the wiring installation to cable network is had to extremely strong restrained force.
The limitation of wired network can be broken through by being wirelessly transferred, and utilization space electromagnetic wave realizes the communication between website.Using biography
The mode of the electromagnetic transmission of system, in complex and changeable surrounding medium, the path of electromagnetic wave can produce unpredictable
Loss, cause bit error rate increase, transmission rate the problems such as reduce.
Wireless energy transfer based on magnetic coupling resonance principle is more and more applied to various aspects, such as buried
Sensor, network power supply underwater robot, implantable medical supply etc..For these applications necessary not only for the wireless of electric energy
Transmission, in addition it is also necessary to outwards transmit sensing data, inwardly needs transmission control instruction etc..Come for different mediums such as soil, water
Say, magnetic conductivity is also stablized relatively without very big difference, the path loss and propagation conditions in magnetic field.
Recently domestic and international widely studied magnetic field communications technology has good application.Magnetic communication is mainly in transmitting terminal
One coil with certain number of turn is set, and receiving terminal is also provided with a coil with certain number of turn.Using signal in originator
Magnetic flux change caused by coil is delivered to receiving end coil, and carries out decoding recovery to the signal of transmission.And in two coils
Mutual inductance and the distance between two coils it is relevant, the intensity for the magnetic induction that hot-wire coil is produced in the axial direction thereof is distance
Function, and have B ∝ 1/r3.Therefore, it is to improve transmission range to reduce field decay, reduces the magnetic communication bit error rate, improves magnetic
The key of communication channel capacity.But, in currently available technology, it there is no the simple and effective equipment for reducing field decay or side
Method.
The content of the invention
Present invention offer one kind is simple in construction, be effectively reduced field decay, improve transmission range and magnetic communication channel holds
The space communication system based on ferromagnetic concentrator of amount, the reduction magnetic communication bit error rate.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
Space communication system of the invention based on ferromagnetic concentrator, including transmitting terminal, receiving terminal and ferromagnetic concentrator,
Transmitting terminal is used to excite magnetic flux change using alternating magnetic field, and magnetic signal is launched；
Receiving terminal is used for by detecting and receiving magnetic signal, and carries out decoding recovery；
Ferromagnetic concentrator is located between transmitting terminal and receiving terminal, for attracting external magnetic field, reduces the magnetic loss of signal；
The transmitting terminal includes signal generator and transmitting coil, and signal output part and the transmitting coil of signal generator connect
Connect；
The receiving terminal includes receiving coil and Magnetic Sensor, the signal input part connection of receiving coil and Magnetic Sensor；
The number of turn of transmitting coil is identical with the number of turn of receiving coil；
The ferromagnetic concentrator is made up of 1-2 cone, is the entity being made up of high magnetic conductance material, the major diameter of ferromagnetic concentrator
Than more than 10.
Space communication system of the invention based on ferromagnetic concentrator, further, the quantity of cone in the ferromagnetic concentrator
For 2, the bottom surface of two cones is oppositely arranged, is made into integration.
Space communication system of the invention based on ferromagnetic concentrator, further, the circle of the transmitting coil and receiving coil
Number is 200-10000, and radius is 10-1000mm.
Space communication system of the invention based on ferromagnetic concentrator, further, the ferromagnetic concentrator is horizontally set on distance
In the range of within transmitting terminal 1m.
Space communication system of the invention based on ferromagnetic concentrator, further, the ferromagnetic concentrator are protected with transmitting terminal distance
Hold constant, mobile receiving end reaches the measurement range of Magnetic Sensor.
Space communication system of the invention based on ferromagnetic concentrator compared with prior art, has the advantages that：
Space communication system of the invention based on ferromagnetic concentrator is based on magnetic communication principle, in the transmitting terminal and receiving terminal of signal
Multiturn coil is set respectively, causes magnetic flux change to be transferred to receiving coil in transmitting coil using signal, then will transmission
Signal carry out decoding recovery；Ferromagnetic concentrator is provided between transmitting terminal and receiving terminal, is made of high-permeability material, will
Outside magnetic field suction realizes the convergence of the magnetic line of force on the surface of ferromagnetic concentrator, it is to avoid the diverging and decay in magnetic field, reduces
Magnetic loss, improves the channel capacity of magnetic communication, improves the transmission range of communication, reduces the bit error rate of magnetic communication.
The space communication system based on ferromagnetic concentrator to the present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the space communication system of the invention based on ferromagnetic concentrator；
Fig. 2 is the test result of testing example.
Reference：
1- signal generators；2- transmitting coils；3- ferromagnetic concentrators；4- receiving coils；5- Magnetic Sensors.
Embodiment
As shown in figure 1, the space communication system of the invention based on ferromagnetic concentrator includes transmitting terminal, receiving terminal and ferromagnetic concentrator
3, transmitting terminal is used to excite magnetic flux change using alternating magnetic field, and magnetic signal is launched, and receiving terminal is used for by detection
And receive magnetic signal, and carry out decoding recovery；Ferromagnetic concentrator 3 is located between transmitting terminal and receiving terminal, for attracting external magnetic field,
Reduce the magnetic loss of signal.
Transmitting terminal includes signal generator 1 and transmitting coil 2, and signal output part and the transmitting coil 2 of signal generator 1 connect
Connect, the number of turn of transmitting coil 2 is 200-10000, and radius is 10-1000mm；Receiving terminal includes receiving coil 4 and Magnetic Sensor 5,
Receiving coil 4 is connected with the signal input part of Magnetic Sensor 5；The number of turn of receiving coil 4 is 200-10000, and radius is 10-
1000mm；The number of turn of transmitting coil 2 is identical with the number of turn of receiving coil 4.
Ferromagnetic concentrator 3 is made up of 1-2 cone, is the entity being made up of high magnetic conductance material, the draw ratio of ferromagnetic concentrator 3
More than 10；The draw ratio of ferromagnetic concentrator 3 is bigger, and demagnetizing factor is smaller, and magnetic focusing ability is better, it might even be possible to use filament
Ferromagnetic concentrator 3；When the quantity of cone in ferromagnetic concentrator 3 is 2, the bottom surfaces of two cones is oppositely arranged, a system
Into.Ferromagnetic concentrator 3 is horizontally set in the range of the 1m of range transmission end, and range transmission end is more near better；Ferromagnetic concentrator 3 and transmitting
End distance keeps constant, and mobile receiving end reaches the measurement range of Magnetic Sensor 5；Receiving terminal and transmitting terminal distance and transmission signal
Size is related to the ability of ferromagnetic concentrator 3.
The specific work process of space communication system of the invention based on ferromagnetic concentrator is as follows：
Step 1: connect equipment, make transmitting coil 2, ferromagnetic concentrator 3 and receiving coil 4 be located in same level and
On same straight line；
Step 2: opening signal generator 1, arrange parameter, output waveform is observed with oscillograph, adjustment position makes output
Waveform is maximum；
Step 3: adding ferromagnetic concentrator 3 in reception and transmitting coil 2, output waveform is observed, adjustment position makes output
Waveform is maximum；
Step 4: keeping transmitting coil 2, apart from constant, mobile receiving coil 4, to observe output waveform with ferromagnetic concentrator 3.
Testing example
In this experimental provision, transmitting is all mutually 200 circles with the receiving coil number of turn, and a diameter of 25mm is produced with function generator
A raw amplitude is 15V, and frequency is 150kHz sinusoidal signal；Ferromagnetic concentrator overall size is long 50mm, diameter 30mm, tip cone
Angular length degree is 20mm, and angle is 60 degree.In the case where mobile receiving end respectively is with transmitting terminal, while the feelings of cone angle difference direction
Under condition, carry out test analysis, experimental result respectively as shown in Fig. 2 in figure group 1 indicate tip and receive it is motionless, point towards reception,
Mobile transmitting terminal；Group 2 indicates tip and receives motionless, and point is towards transmitting, mobile transmitting terminal；Group 3 indicates tip and transmitting not
It is dynamic, it is sharp towards transmitting, mobile receiving end；Group 4 indicates tip and launches motionless, sharp towards reception, mobile receiving end；Group 0 is nothing
Perm control group.
It can substantially be observed, added after ferromagnetic concentrator by Fig. 2, transmission range and the magnetic field amplitude of magnetic signal have been obtained substantially
Increase.Group 1 and group 2 are contrasted, when point and motionless reception, point is better towards receiving terminal than point towards transmitting terminal；When point, court connects
During receiving end, the big cross section of permalloy receives magnetic figure more than sharp towards the magnetic line of force that permalloy tip is received during transmitting terminal
Number.Group 1 and the point of group 3 are contrasted towards during reception, effect when point and motionless transmitting is than point and effect when receiving motionless；Work as point
It is, by the magnetic line of force aggregation of the transmitting coil magnetic line of force most strength, magnetic line of force orientation to be then gathered in axial direction during with launching motionless
On, when effect at this moment is better than permalloy and transmitting coil and has certain distance.
Pass through above-mentioned experiment, it was demonstrated that ferromagnetic concentrator can increase the distance and magnetic field amplitude of magnetic signals, and obtain
Ferromagnetic concentrator tip is located in the case of magnetic signal transmitting terminal towards receiving terminal and ferromagnetic concentrator, and magnetic signal amplification is optimal
's.We also have carry out kinds of experiments, to inquire into the optimal amplification effect of ferromagnetic concentrator.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (5)
1. the space communication system based on ferromagnetic concentrator, it is characterised in that：Including transmitting terminal, receiving terminal and ferromagnetic concentrator (3), hair
Penetrating end is used to excite magnetic flux change using alternating magnetic field, and magnetic signal is launched；
Receiving terminal is used for by detecting and receiving magnetic signal, and carries out decoding recovery；
Ferromagnetic concentrator (3) is located between transmitting terminal and receiving terminal, for attracting external magnetic field, reduces the magnetic loss of signal；
The transmitting terminal includes signal generator (1) and transmitting coil (2), the signal output part of signal generator (1) and transmitting
Coil (2) is connected；
The receiving terminal includes receiving coil (4) and Magnetic Sensor (5), and the signal of receiving coil (4) and Magnetic Sensor (5) is inputted
End connection；The number of turn of transmitting coil (2) is identical with the number of turn of receiving coil (4)；
The ferromagnetic concentrator (3) is made up of 1-2 cone, is the entity being made up of high magnetic conductance material, the length of ferromagnetic concentrator (3)
Footpath ratio is more than 10.
2. the space communication system according to claim 1 based on ferromagnetic concentrator, it is characterised in that：The ferromagnetic concentrator
(3) quantity of cone is 2 in, and the bottom surface of two cones is oppositely arranged, is made into integration.
3. the space communication system according to claim 1 based on ferromagnetic concentrator, it is characterised in that：The transmitting coil
(2) and the number of turn of receiving coil (4) is 200-10000, radius is 10-1000mm.
4. the space communication system according to claim 1 based on ferromagnetic concentrator, it is characterised in that：The ferromagnetic concentrator
(3) in the range of being horizontally set within the 1m of range transmission end.
5. the space communication system according to claim 1 based on ferromagnetic concentrator, it is characterised in that：The ferromagnetic concentrator
(3) keep constant with transmitting terminal distance, mobile receiving end reaches the measurement range of Magnetic Sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254300.6A CN107070549A (en) | 2017-04-18 | 2017-04-18 | Space communication system based on ferromagnetic concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254300.6A CN107070549A (en) | 2017-04-18 | 2017-04-18 | Space communication system based on ferromagnetic concentrator |
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| Publication Number | Publication Date |
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| CN107070549A true CN107070549A (en) | 2017-08-18 |
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ID=59600352
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| CN201710254300.6A Pending CN107070549A (en) | 2017-04-18 | 2017-04-18 | Space communication system based on ferromagnetic concentrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365373A (en) * | 2019-07-25 | 2019-10-22 | 四川长虹电器股份有限公司 | Near field communication system based on magnetic field coding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009255368A (en) * | 2008-04-16 | 2009-11-05 | Panasonic Corp | Composite magnetic material and radio communication apparatus equipped with it |
| CN103439749A (en) * | 2013-07-10 | 2013-12-11 | 中北大学 | Magnetism collecting amplifying and guiding structure applied to micro magnetic sensor |
| CN104301001A (en) * | 2014-09-12 | 2015-01-21 | 上海卫星工程研究所 | Space communication method and system based on magnetic emission and magnetic detection |
-
2017
- 2017-04-18 CN CN201710254300.6A patent/CN107070549A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009255368A (en) * | 2008-04-16 | 2009-11-05 | Panasonic Corp | Composite magnetic material and radio communication apparatus equipped with it |
| CN103439749A (en) * | 2013-07-10 | 2013-12-11 | 中北大学 | Magnetism collecting amplifying and guiding structure applied to micro magnetic sensor |
| CN104301001A (en) * | 2014-09-12 | 2015-01-21 | 上海卫星工程研究所 | Space communication method and system based on magnetic emission and magnetic detection |
Non-Patent Citations (1)
| Title |
|---|
| 杨宏正: "线圈磁耦合模型仿真及其应用", 《测试技术学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365373A (en) * | 2019-07-25 | 2019-10-22 | 四川长虹电器股份有限公司 | Near field communication system based on magnetic field coding |
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Application publication date: 20170818 |