CN103023581B - Grounding two-way digital information communication device utilizing ground electric field detection technology - Google Patents
Grounding two-way digital information communication device utilizing ground electric field detection technology Download PDFInfo
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Abstract
A grounding two-way digital information communication device utilizing ground electric field detection technology comprises an underground device and a ground device. The underground device is composed of an underground communication device and an underground electric dipole moment transmitting / receiving antenna which are electrically interconnected. The underground communication device is arranged in an underground mine refuge chamber or a tunnel and the underground electric dipole moment transmitting / receiving antenna is buried in an underground mine or a tunnel geologic body. The geologic bodies of the underground mine or the tunnel are semi-conductors. The space between the underground device and the ground device is formed to be a geologic body 'channel' for digital communication. The ground device is composed of a ground communication device and a ground electric dipole moment transmitting / receiving antenna which are electrically interconnected. The ground communication device is installed on the ground and the ground electric dipole moment transmitting / receiving antenna is buried in the shallow ground. According to the grounding two-way digital information communication device utilizing ground electric field detection technology, functions of the two-way remote communication and the remote two-way remote control and metering in the ground half-space and water can be achieved.
Description
Technical field
The present invention relates to a kind of saturating ground bi-directional digital information-communication device adopting earth electric field detection technique, emergent " thoroughly " numeral when being especially applicable to " mine disaster " accident and information communication, can realize again the function of wireless remote two-way communication in the ground lower half-space and lake, ocean and remote-control romote-sensing simultaneously.
Background technology
When " mine disaster " (particularly colliery) occurs, some survivors are often trapped in underground.When Conventional wireline communication facility is destroyed in mine disaster, often cause down-hole and ground urgicenter and surrounding area communicate and paralyse; Even adopt " thoroughly " communication system of radio electromagnetsm wave radiation technology to be equally also subject to the impact of underground environment and electromagnetic antenna technical bottleneck, at present, its practical application also only at " descending " operating state (only ground is to underground transmission signal), is difficult to " up " the i.e. underground mine personnel that accomplish rescue and relief work command centre transmission information earthward.Therefore, ground rescue personnel can not understand accurately to the information of underground trapped personnel and dangerous situation, and this causes great difficulty to rescue operation.At present, the communication system be arranged in underground mine refuge chamber and safety warehouse remains based on wired communication system.There is provided a kind of when " mine disaster " occurs, " through the earth communication " technique device that effective guarantee ground and underground intercom mutually, for " mine disaster " rescue and relief work provides decision information, improves rescue and relief work efficiency, the injures and deaths of great minimizing rescue and relief work personnel and miner, reduce economic loss, in " mine disaster " rescue and relief work field, there is realistic meaning.
Summary of the invention
The technical problem to be solved in the present invention is, overcome in prior art, when there is " mine disaster ", when still not having at present a kind of effective communication means and technique device to meet " mine disaster ", the demand of " through the earth communication of meeting an urgent need " is linked up on ground with the information bidirectional in disaster area, underground, the invention provides a kind of " thoroughly " bi-directional digital information-communication device adopting earth electric field detection technique, for emergent " thoroughly " numeral in " mine disaster " rescue and relief work and information communication.It is not only applicable to " thoroughly " numeral and the information communication in mine, and be adapted to should not set up wired with radio magnetic wave communication environment in effectively implement to communicate, both-way telecommunication in the ground lower half-space, lake, marine environment and the remote double function to remote-control romote-sensing can be met.
The present invention is realized by following know-why:
With the electrical dipole moment in subsurface three-dimensional space for research object, A represents the electromotive force in underground space somewhere, and research shows, subsurface three-dimensional space under the effect of electrical dipole moment its electric-field intensity distribution as shown in following formula:
（1）
E in formula
θfor the electric field strength that the electrical dipole moment in space, underground produces; P is the length of the electrical dipole moment square in space, underground; δ is the dielectric constant in specific three dimensional space; θ is the angle that the electrical dipole moment in space, underground A point and space, underground is formed; R is the distance of center to A point of the electrical dipole moment in space, underground; Subsurface three-dimensional space is its electric field strength distribution of contours under the effect of electrical dipole moment.According to this principle, the present invention devises a kind of " thoroughly " digital communication apparatus adopting earth electric field detection technique.The core of this device is: install a kind of electrically dipole moment antenna and underground communication device (electric field signal emitter) in the ground lower half-space (or under water), by the electrical dipole moment antenna of ground connection set up on the ground and terrestrial communication device, the digital signal electric field change amount that underground communicator sends through electrical dipole moment antenna is effectively detected and received, through the modulation and demodulation of digital signal, realize " up " and " descending " function that " thoroughly " communicates, realize the function of the wireless remote bidirectional remote control remote measurement in the ground lower half-space simultaneously.Underground communication device also can be located under water, the digital signal electric field change amount that communicator under water sends through electrical dipole moment antenna effectively detects and receives, through modulation and demodulation and the encoding and decoding of digital signal, realize both-way telecommunication in water and the remote double function to remote-control romote-sensing.
Physics/electromagnetic theory research proves: as long as electrically the electric flux one of dipole moment regularly, all can effectively detect and receive electric field information within the scope of Electric Field Distribution.Effective detection and to receive the operating distance of electric field information be r(unit in formula 1 is rice).
The technical solution adopted for the present invention to solve the technical problems is as follows:
Adopt a saturating ground bi-directional digital information-communication device for earth electric field detection technique, be made up of underground device, ground installation;
Described underground device is made up of the electrical dipole moment of the underground communication device be electrically connected to each other and underground (receive/send out) antenna.Underground communication device is arranged in underground mine (refuge chamber) or tunnel, and the electrical dipole moment in underground (receive/send out) antenna is imbedded in underground mine or tunnel geology body; The geologic body in underground mine or tunnel is semiconductor.Form geologic body " channel " by described semiconductor between underground device and ground installation and carry out bi-directional digital communication or remote-control romote-sensing.
Described ground installation is made up of the electrical dipole moment of the terrestrial communication device be electrically connected to each other and ground (receive/send out) antenna.Terrestrial communication device is installed on the ground, and shallow surface imbedded by the electrical dipole moment in ground (receive/send out) antenna.
The electrical dipole moment in underground (receive/send out) antenna, the electrical dipole moment in ground (receive/send out) antenna are used for carrying out digital signal and send and receive; Underground communication device, terrestrial communication device are the communicator adopting pseudorandomcode modulation and demodulation.
The electrical dipole moment in described underground (receive/send out) antenna, the electrical dipole moment in ground (receive/send out) antenna, be different from magnetic antenna, the physical dimension of magnetic antenna is relevant to communication signal frequency, and physical dimension and the communication signal frequency of the electrical dipole moment in underground of the present invention (receive/send out) antenna, the electrical dipole moment in ground (receive/send out) antenna have nothing to do.
The electrical dipole moment in described underground (receive/send out) antenna adopts " not polarizing " earth electrode, and the electrical dipole moment in underground (receive/send out) antenna all adopts that diameter is 35mm-50mm, length is the copper tube of 800mm-1200mm.High carbon dust and electrolytic ion compound is filled in copper tube, parallelly with ground imbed underground (according to grounding resistance measurement during installation, general employing 1-3 root), the electrical dipole moment in underground (receive/send out) antenna is connected by the antenna driver modular circuit of welding conductors lead-in wire and underground communication device, antenna receiver.
The electrical dipole moment in described ground (receive/send out) antenna, also adopts " not polarizing " earth electrode, and the electrical dipole moment in ground (receive/send out) antenna all adopts that diameter is 35mm-50mm, length is the copper tube of 800mm-1200mm.High carbon dust and electrolytic ion compound crystal is filled in copper tube, parallel with ground or vertically imbed underground (according to grounding resistance measurement during installation, general employing 1-3 root), the electrical dipole moment in ground (receive/send out) antenna is by the antenna driver of welding conductors lead-in wire and terrestrial communication device, be connected with antenna receiver.
Described underground communication device comprises MCU, input keyboard, liquid crystal display, antenna receiver, R signal conditioning module circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, T/R conversion and control modular circuit, antenna driver modular circuit, electric power system, MCU is by control bus and antenna receiver, R signal conditioning module circuit, digital demodulation blocks circuit, keying modulated signal modular circuit, digital modulation module circuit, T/R conversion and control modular circuit, antenna driver modular circuit is electrically connected, digital modulation module circuit, keying modulated signal modular circuit, T/R conversion and control modular circuit and antenna driver modular circuit are electrically connected successively, pass through MCU, antenna receiver, R signal conditioning module circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, T/R conversion and control modular circuit, antenna driver modular circuit completes (receive/send out) conversion (" up " in through the earth communication sends and receive with " descending ") of underground communication device, keying modulation, signal condition, signal madulation and demodulation, System self-test and defencive function.MCU is also electrically connected with input keyboard, liquid crystal display by data/address bus, is completed the function such as Storage & Display, man-machine communication of digital information, (receive/send out) editor of Word message, signal condition, signal madulation and demodulation, the communication information by MCU, input keyboard, liquid crystal display, R signal conditioning module circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit.
High pressure (DC48V-400V) positive pole of the electric power system of described underground communication device is connected with the positive pole of antenna driver modular circuit, high pressure (DC48V-400V) negative pole of electric power system is connected with the negative pole of antenna driver modular circuit; Low pressure (DC12V) positive pole of electric power system is connected with underground communication device working power positive pole, low pressure (DC12V) negative pole of electric power system is connected with underground communication device working power negative pole, and electric power system provides the power supply launching high-power signal and the normal power supply of working power guaranteeing underground communication device for the electrical dipole moment antenna in underground.
The employing modulation fundamental frequency of the digital demodulation blocks circuit of described underground communication device, digital modulation module circuit, keying modulated signal modular circuit is 1Hz-1000Hz, 15 M sequence pseudorandomcodes, realizes carrying out modulation and demodulation to the communication information.
Described terrestrial communication device comprises MCU, input keyboard, liquid crystal display, antenna receiver, R signal conditioning module circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, T/R conversion and control modular circuit, antenna driver modular circuit, electric power system, MCU is by control bus and antenna receiver, R signal conditioning module circuit, digital demodulation blocks circuit, keying modulated signal modular circuit, digital modulation module circuit, T/R conversion and control modular circuit, antenna driver modular circuit is electrically connected, digital modulation module circuit, keying modulated signal modular circuit, T/R conversion and control modular circuit and antenna driver modular circuit are electrically connected successively, pass through MCU, antenna receiver, R signal conditioning module circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, T/R conversion and control modular circuit, antenna driver modular circuit completes (receive/send out) conversion (" up " in through the earth communication sends and receive with " descending ") of terrestrial communication device, keying modulation, signal condition, signal madulation and demodulation, System self-test and defencive function.MCU is also electrically connected with input keyboard, liquid crystal display by data/address bus, is completed the function such as Storage & Display, man-machine communication of digital information pending, (receive/send out) editor of Word message, signal condition, signal madulation and demodulation, the communication information by MCU, input keyboard, liquid crystal display, R signal conditioning module circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit;
High pressure (DC48V-400V) positive pole of the electric power system of described terrestrial communication device is connected with the positive pole of antenna driver modular circuit, high pressure (DC48V-400V) negative pole of electric power system is connected with the negative pole of antenna driver modular circuit; Low pressure (DC12V) positive pole of electric power system is connected with terrestrial communication device working power positive pole, low pressure (DC12V) negative pole of electric power system is connected with terrestrial communication device working power negative pole, and described electric power system provides the power supply launching high-power signal and the normal power supply of working power guaranteeing terrestrial communication device for the electrical dipole moment antenna in ground.
The digital demodulation blocks circuit of described terrestrial communication device, digital modulation module circuit, keying modulated signal modular circuit adopt modulation fundamental frequency to be 1Hz-1000Hz, 15 M sequence pseudorandomcodes, realize carrying out modulation and demodulation to the communication information.
The electrical dipole moment in described underground (receive/send out) antenna, the electrical dipole moment in ground (receive/send out) antenna all can be installed in fluid becomes electrical dipole moment in water (receive/send out) antenna, described terrestrial communication device is installed on ground, underground communication device can be placed on fluid or fluid becomes waterborne or water communicator, electrical dipole moment in water (receive/send out) antenna by the leading-in conductor of waterproof be placed in ground terrestrial communication device, communicator electrical connection in waterborne or water, be lake at " channel ", the function of long-range two-way communication and remote-control romote-sensing is realized in " hydrophily body medium " in ocean.
Technique and the composition of described underground communication device (being arranged on refuge chamber) adopt explosion-proof design with " essential safe type " (meeting GB 3836.3-2010 standard), and electric power system (A11) adopts flame-proof type design (to meet explosion-proof national standard (GB3836).
Use the present invention, effective communications platform can be set up for ground rescue and relief work command centre and underground " refuge chamber " and " safety warehouse ", for positive role is played in the loss of the life in the formulation of rescue and relief work scheme, minimizing " mine disaster " accident and property in " mine disaster " rescue and relief work.Especially after " mine disaster " accident occurs, effectively grasp and determine the exact position of disaster affected people, improving efficiency of speedily carrying out rescue work, reducing aspects such as searching and rescuing difficulty, the life preventing secondary disaster from causing and property loss has very important meaning.
Use the present invention, can to realize in the earth half space and both-way telecommunication in water and remote double to the function of remote-control romote-sensing.
Accompanying drawing explanation
Fig. 1 is the present invention---the electric field strength graph of a relation that the electrical dipole moment antenna of embodiment () produces in subsurface three-dimensional space;
Fig. 2 is the present invention---the electric field isogram that the electrical dipole moment antenna of embodiment () produces in subsurface three-dimensional space;
Fig. 3 is the present invention---" thoroughly " digital communication apparatus figure based on earth electric field detection technique of embodiment ();
Fig. 4 (a) is the present invention---embodiment (two) communicator is placed in the schematic diagram of lake or seawater carrier;
Fig. 4 (b) is the present invention---embodiment (three) communicator is placed in the schematic diagram of carrier on lake or seawater face;
Fig. 5 is the present invention---the underground communication installation drawing of embodiment ();
Fig. 6 is the present invention---the terrestrial communication device figure of embodiment ();
Fig. 7 is the present invention---the electrical dipole moment astronomical cycle figure of embodiment ().
Specific embodiments
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment one:
The present invention is realized by following principle:
With reference to Fig. 1, research shows, subsurface three-dimensional space under the effect of electrical dipole moment its electric-field intensity distribution as shown in following formula:
In Fig. 1, A is expressed as the electromotive force in underground space somewhere, in above formula, and E
θfor the electric field strength that the electrical dipole moment in space, underground produces; P is the length of the electrical dipole moment square in space, underground; δ is the dielectric constant in specific three dimensional space; θ is the angle that the electrical dipole moment in space, underground A point and space, underground is formed; R is the distance of center to A point of the electrical dipole moment in space, underground.Under the effect of electrical dipole moment, its electric field strength distribution of contours is as shown in Figure 2 in subsurface three-dimensional space.
With reference to Fig. 3, the present embodiment is made up of underground device, ground installation;
Described underground device is made up of the electrical dipole moment of underground communication device and underground (receive/send out) antenna (A1, A2).The electrical dipole moment in described underground (receive/send out) antenna (A1, A2) adopts " not polarizing " earth electrode (A12, A13) (see Fig. 5).
Described ground installation is made up of the electrical dipole moment of terrestrial communication device and ground (receive/send out) antenna (B1, B2).The electrical dipole moment in described ground (receive/send out) antenna (B1, B2), also adopts " not polarizing " earth electrode (B12, B13) (see Fig. 6).
With reference to Fig. 7, the electrical dipole moment in underground (receive/send out) the electrical dipole moment of antenna (A1, A2) and ground (receive /) antenna (B1, B2) all adopts that diameter is 50mm, length is the copper tube of 800mm.High carbon dust and electrolytic ion compound is filled in copper tube.When installing underground electrical dipole moment (receive/send out) antenna, A1 and A2, respectively with 2 series connection, parallel to the groundly after welding imbeds mine underground, and the degree of depth is that 500mm, A1 and A2 respectively can use 4m
2copper conductor be arranged on the antenna driver (A10) of underground communication device in refuge chamber, antenna receiver (A04) is electrically connected.During the electrical dipole moment of installation ground (receive/send out) antenna, B1 and B2, respectively with 2 series connection, parallel to the groundly after welding imbeds underground, and the degree of depth is that 500mm, B1 and B2 respectively can use 4m
2antenna driver (B10), the antenna receiver (B04) of copper conductor and terrestrial communication device are electrically connected.
With reference to Fig. 5, underground communication device comprises MCU(A01), input keyboard (A02), liquid crystal display (A03), antenna receiver (A04), R signal conditioning module circuit (A05), digital demodulation blocks circuit (A06), digital modulation module circuit (A07), keying modulated signal modular circuit (A08), T/R conversion and control modular circuit (A09), antenna driver modular circuit (A10), electric power system (A11), MCU(A01) by control bus and antenna receiver (A04), R signal conditioning module circuit (A05), digital demodulation blocks circuit (A06), keying modulated signal modular circuit (A08), digital modulation module circuit (A07), T/R conversion and control modular circuit (A09), antenna driver modular circuit (A10) is electrically connected, digital modulation module circuit (A07), keying modulated signal modular circuit (A08), T/R conversion and control modular circuit (A09) and antenna driver modular circuit (A10) are electrically connected successively, pass through MCU(A01), antenna receiver (A04), R signal conditioning module circuit (A05), digital demodulation blocks circuit (A06), digital modulation module circuit (A07), keying modulated signal modular circuit (A08), T/R conversion and control modular circuit (A09), antenna driver modular circuit (A10) completes (receive/send out) conversion (" up " in through the earth communication sends and receive with " descending ") of underground communication device, keying modulation, signal condition, signal madulation and demodulation, System self-test and defencive function.MCU(A01) be also electrically connected with input keyboard (A02), liquid crystal display (A03) by data/address bus, pass through MCU(A01), input keyboard (A02), liquid crystal display (A03), R signal conditioning module circuit (A05), digital demodulation blocks circuit (A06), digital modulation module circuit (A07), keying modulated signal modular circuit (A08) complete the function such as Storage & Display, man-machine communication of digital information, (receive/send out) editor of Word message, signal condition, signal madulation and demodulation, the communication information.
Described electric power system (A11) provides the power supply launching high-power signal and the normal power supply of working power guaranteeing underground communication device for electrical dipole moment antenna.
Described digital demodulation blocks circuit (A06), digital modulation module circuit (A07), keying modulated signal modular circuit (A08) adopt, and modulation fundamental frequency is 32Hz-1000Hz, 15 M sequence pseudorandomcodes, carries out modulation and demodulation to the communication information.
With reference to Fig. 6, described terrestrial communication device comprises MCU(B01), input keyboard (B02), liquid crystal display (B03), antenna receiver (B04), R signal conditioning module circuit (B05), digital demodulation blocks circuit (B06), digital modulation module circuit (B07), keying modulated signal modular circuit (B08), T/R conversion and control modular circuit (B09), antenna driver modular circuit (B10), electric power system (B11), MCU is by control bus and antenna receiver (B04), R signal conditioning module circuit (B05), digital demodulation blocks circuit (B06), keying modulated signal modular circuit (B08), digital modulation module circuit (B07), T/R conversion and control modular circuit (B09), antenna driver modular circuit (B10) is electrically connected, digital modulation module circuit (B07), keying modulated signal modular circuit (B08), T/R conversion and control modular circuit (B09) and antenna driver modular circuit (B10) are electrically connected successively, pass through MCU(B01), antenna receiver (B04), R signal conditioning module circuit (B05), digital demodulation blocks circuit (B06), digital modulation module circuit (B07), keying modulated signal modular circuit (B08), T/R conversion and control modular circuit (B09), antenna driver modular circuit (B10) completes (receive/send out) conversion (" up " in through the earth communication sends and receive with " descending ") of terrestrial communication device, keying modulation, signal condition, signal madulation and demodulation, System self-test and defencive function.MCU(B 01) be also electrically connected with input keyboard (B02), liquid crystal display (B03) by data/address bus, pass through MCU(B01), input keyboard (B02), liquid crystal display (B03), R signal conditioning module circuit (B05), digital demodulation blocks circuit (B06), digital modulation module circuit (B07), keying modulated signal modular circuit (B08) complete the function such as Storage & Display, man-machine communication of digital information pending, (receive/send out) editor of Word message, signal condition, signal madulation and demodulation, the communication information;
Described electric power system (B11) provides the power supply launching high-power signal and the normal power supply of working power guaranteeing terrestrial communication device for electrical dipole moment antenna.
Described digital demodulation blocks circuit (B06), digital modulation module circuit (B07), keying modulated signal modular circuit (B08) all adopt modulation fundamental frequency to be 32Hz-1000Hz, 15 M sequence pseudorandomcodes, carry out modulation and demodulation to the communication information.
The present embodiment provides technique device for " mine disaster " emergency communication, also can realize long-range two-way communication in the earth half space and the remote double function to remote-control romote-sensing simultaneously.
Embodiment two:
With reference to Fig. 4 (a), the present embodiment, for the defect that can not use wire communication and electromagnetic communication in lake or ocean (fluid), provides a kind of information-communication device implementing digital communication and Remote remote measurement.
The electrical dipole moment in described underground (receive/send out) antenna (A1, A2), the electrical dipole moment in ground (receive/send out) antenna (B1, B2) are all installed in fluid becomes electrical dipole moment in water (receipts/send out) antenna (A1, A2, B1, B2) respectively, described terrestrial communication device is installed on ground, underground communication device can be placed in fluid becomes water communicator, electrical dipole moment in water (receive/send out) antenna (A1, A2, B1, B2) respectively by waterproof leading-in conductor be placed in ground terrestrial communication device, water communicator is connected.
The present embodiment is made up of communicator (A) in terrestrial communication device (B), water and electrical dipole moment (receive/send out) antenna (A1, A2, B1, B2).
The structure of described terrestrial communication device (B) and operation principle are with the terrestrial communication device in embodiment 1, electrical dipole moment (receive/send out) antenna (B1, B2) being located at the terrestrial communication device (B) of ground communication base station stretches in water and enters the degree of depth in water (H) and can set according to the actual requirements, generally get H >=P, P is the pole span of electrical dipole moment (receive/send out) antenna (B1, B2), in the present embodiment, desirable P=20m; H=30m; Electrical dipole moment (receive/send out) antenna (B1, B2) of terrestrial communication device (B) all adopts 2 diameters to be the copper tube of 50mm, and length is the copper tube of 1000mm, fills high carbon dust and electrolytic ion compound in copper tube.
Electrical dipole moment (receive/send out) antenna (B1, B2) of terrestrial communication device (B) is by adopting 4m
2the leading-in conductor that waterproof multiply copper core cable is formed, is connected with the antenna driver (B10) of terrestrial communication device (B) respectively, antenna receiver (B04) connects.Terrestrial communication device (B) is sent and receiving digital signals by electrical dipole moment (receive/send out) antenna (B1, B2) Xiang Shuizhong.
In described water, the structure of communicator (A) and operation principle are with the underground communication device in embodiment 1, and in water, communicator (A) is immersed in water, can in mobile vehicle or fixed installation time ground communication base station communicator is sent and receiving digital signals.
In described water, electrical dipole moment (receive/send out) antenna (A1, A2) of communicator (A) all adopts that 1 diameter is 50mm, length is the copper tube of 1000mm, electrolytic ion compound is filled in copper tube, be arranged on the fore over entry of canoe respectively, entering water degree H is 1000mm, the pole span P=6800mm of electrical dipole moment (receive/send out) antenna.
Electric power system launches the power supply of high-power signal and the working power of communicator for communicator and electrical dipole moment antenna provide.
Digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit all adopt modulation fundamental frequency to be 1Hz-1000Hz, 15 M sequence pseudorandomcodes, carry out modulation and demodulation to the communication information.
Embodiment three:
With reference to Fig. 4 (b), the present embodiment, for the defect that can not use wire communication and electromagnetic communication in lake or ocean (fluid), provides a kind of information-communication device implementing digital communication and Remote remote measurement.
The electrical dipole moment in described underground (receive/send out) antenna (A1, A2), the electrical dipole moment in ground (receive/send out) antenna (B1, B2) are all installed in fluid becomes electrical dipole moment in water (receipts/send out) antenna (A1, A2, B1, B2) respectively, described terrestrial communication device is installed on ground, underground communication device can be placed on fluid becomes marine communication device, electrical dipole moment in water (receive/send out) antenna (A1, A2, B1, B2) respectively by waterproof leading-in conductor be placed in ground terrestrial communication device, marine communication device is connected.
The present embodiment is made up of terrestrial communication device (B), marine communication device (A) and electrical dipole moment (receive/send out) antenna (A1, A2, B1, B2).
The structure of described terrestrial communication device (B) and operation principle are with the terrestrial communication device in embodiment 1, electrical dipole moment (receive/send out) antenna (B1, B2) being located at the terrestrial communication device (B) of ground communication base station stretches in water and enters the degree of depth in water (H) and can set according to the actual requirements, generally get H >=P, P is the pole span of electrical dipole moment (receive/send out) antenna (B1, B2), in the present embodiment, desirable P=20m; H=30m; Electrical dipole moment (receive/send out) antenna (B1, B2) of terrestrial communication device (B) all adopts 2 diameters to be the copper tube of 50mm, and length is the copper tube of 1000mm, fills high carbon dust and electrolytic ion compound in copper tube.
Electrical dipole moment (receive/send out) antenna (B1, B2) of terrestrial communication device (B) is by adopting 4m
2the leading-in conductor that waterproof multiply copper core cable is formed, is connected with the antenna driver (B10) of terrestrial communication device (B) respectively, antenna receiver (B04) connects.Terrestrial communication device (B) is sent and receiving digital signals by electrical dipole moment (receive/send out) antenna (B1, B2) Xiang Shuizhong.
The structure of described marine communication device (A) and operation principle are with the underground communication device in embodiment 1, marine communication device (A) is arranged on canoe, can send and receiving digital signals in mobile vehicle or when fixedly mounting to ground communication base station communicator.
The electrical dipole moment of described marine communication device (A) (receive/send out) antenna (A1, A2) all adopts that 1 diameter is 50mm, length is the copper tube of 1000mm, electrolytic ion compound is filled in copper tube, be arranged on the fore over entry of canoe respectively, entering water degree H is 1000mm, the pole span P=6800mm of electrical dipole moment (receive/send out) antenna.
All the other are with embodiment two.
The present embodiment achieves in lake, ocean the function implementing two-way communication and long-range bidirectional remote control, remote measurement.
Claims (4)
1. adopt a saturating ground bi-directional digital information-communication device for earth electric field detection technique, it is characterized in that, be made up of underground device, ground installation;
Described underground device is received/is sent out antenna by the electrical dipole moment of the underground communication device be electrically connected to each other and underground and forms; Underground communication device is arranged in underground mine refuge chamber or tunnel, and the electrical dipole moment in underground is received/sent out antenna and imbeds in underground mine or tunnel geology body; The geologic body in underground mine or tunnel is semiconductor; Form geologic body channel by described semiconductor between underground device and ground installation and carry out bi-directional digital communication or remote-control romote-sensing;
Described ground installation is received/is sent out antenna by the electrical dipole moment of the terrestrial communication device be electrically connected to each other and ground and forms; Terrestrial communication device is installed on the ground, and the electrical dipole moment in ground is received/sent out antenna and imbeds shallow surface;
The electrical dipole moment in described underground is received/is sent out antenna and adopts " not polarizing " earth electrode, and the electrical dipole moment in underground is received/sent out antenna and all adopts that diameter is 35mm-50mm, length is the copper tube of 800mm-1200mm; Fill high carbon dust and electrolytic ion compound in copper tube, parallelly with ground imbed underground, the electrical dipole moment in underground is received/is sent out antenna and gone between by welding conductors and to be connected with the antenna driver modular circuit of underground communication device, antenna receiver;
The electrical dipole moment in described ground receives/send out antenna, and also adopt " not polarizing " earth electrode, the electrical dipole moment in ground is received/is sent out antenna and all adopts that diameter is 35mm-50mm, length is the copper tube of 800mm-1200mm; Fill high carbon dust and electrolytic ion compound crystal in copper tube, parallel with ground or vertically imbed underground, the electrical dipole moment in ground is received/is sent out antenna and gone between with the antenna driver of terrestrial communication device by welding conductors, be connected with antenna receiver;
Described underground communication device comprises MCU, input keyboard, liquid crystal display, antenna receiver, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, receipts/send out conversion and control modular circuit, antenna driver modular circuit, electric power system, MCU is by control bus and antenna receiver, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, keying modulated signal modular circuit, digital modulation module circuit, receive/send out conversion and control modular circuit, antenna driver modular circuit is electrically connected, digital modulation module circuit, keying modulated signal modular circuit, a receipts/conversion and control modular circuit and antenna driver modular circuit are electrically connected successively, pass through MCU, antenna receiver, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, receive/send out conversion and control modular circuit, antenna driver modular circuit completes a receipts/conversion of underground communication device, keying modulation, signal condition, signal madulation and demodulation, System self-test and defencive function, MCU is also electrically connected with input keyboard, liquid crystal display by data/address bus, completes digital information, receipts/the send out editor of Word message, signal condition, signal madulation and demodulation, the Storage & Display of the communication information, man-machine communication's function by MCU, input keyboard, liquid crystal display, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit,
The high-voltage positive electrode of the electric power system of described underground communication device is connected with the positive pole of antenna driver modular circuit, and the high voltage negative of the electric power system of underground communication device is connected with the negative pole of antenna driver modular circuit; The low pressure positive pole of the electric power system of underground communication device is connected with underground communication device working power positive pole, the low pressure negative pole of the electric power system of underground communication device is connected with underground communication device working power negative pole, and the electric power system of underground communication device provides the normal power supply of the power supply launching high-power signal and the working power guaranteeing underground communication device for the electrical dipole moment antenna in underground;
Described terrestrial communication device comprises MCU, input keyboard, liquid crystal display, antenna receiver, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, receipts/send out conversion and control modular circuit, antenna driver modular circuit, electric power system, MCU is by control bus and antenna receiver, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, keying modulated signal modular circuit, digital modulation module circuit, receive/send out conversion and control modular circuit, antenna driver modular circuit is electrically connected, digital modulation module circuit, keying modulated signal modular circuit, a receipts/conversion and control modular circuit and antenna driver modular circuit are electrically connected successively, pass through MCU, antenna receiver, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, receive/send out conversion and control modular circuit, antenna driver modular circuit completes a receipts/conversion of terrestrial communication device, keying modulation, signal condition, signal madulation and demodulation, System self-test and defencive function, MCU is also electrically connected with input keyboard, liquid crystal display by data/address bus, by MCU, input keyboard, liquid crystal display, Received signal strength conditioning modular circuit, digital demodulation blocks circuit, digital modulation module circuit, keying modulated signal modular circuit, complete the receipts/send out editor, signal condition, signal madulation and demodulation, the Storage & Display of the communication information, man-machine communication's function of digital information pending, Word message,
The high-voltage positive electrode of the electric power system of described terrestrial communication device is connected with the positive pole of antenna driver modular circuit, the high voltage negative of the electric power system of terrestrial communication device is connected with the negative pole of antenna driver modular circuit; The low pressure positive pole of the electric power system of terrestrial communication device is connected with terrestrial communication device working power positive pole, the low pressure negative pole of the electric power system of terrestrial communication device is connected with terrestrial communication device working power negative pole, and the electric power system of described terrestrial communication device provides the normal power supply of the power supply launching high-power signal and the working power guaranteeing terrestrial communication device for the electrical dipole moment antenna in ground.
2. the saturating ground bi-directional digital information-communication device of employing earth electric field detection technique according to claim 1, is characterized in that, antenna is received/sent out to the electrical dipole moment in described underground, the electrical dipole moment in ground is received/sent out antenna and is used for carrying out digital signal transmission and receiving; Underground communication device, terrestrial communication device are the communicator adopting pseudorandomcode modulation and demodulation.
3. the saturating ground bi-directional digital information-communication device of employing earth electric field detection technique according to claim 2, it is characterized in that, the digital demodulation blocks circuit of described underground communication device, digital modulation module circuit, keying modulated signal modular circuit all adopt modulation fundamental frequency to be 1Hz-1000Hz, 15 M sequence pseudorandomcodes, realize carrying out modulation and demodulation to the communication information;
The digital demodulation blocks circuit of described terrestrial communication device, digital modulation module circuit, keying modulated signal modular circuit all adopt modulation fundamental frequency to be 1Hz-1000Hz, 15 M sequence pseudorandomcodes, realize carrying out modulation and demodulation to the communication information.
4. the saturating ground bi-directional digital information-communication device of employing earth electric field detection technique according to claim 1 and 2, it is characterized in that, the electrical dipole moment in described underground receives/send out antenna, the electrical dipole moment in ground receive/send out antenna be all installed in fluid become electrical dipole moment in water and receive/send out antenna, described terrestrial communication device is installed on ground, underground communication device is placed on fluid or fluid becomes waterborne or water communicator, in water electrical dipole moment receive/send out antenna by the leading-in conductor of waterproof be placed in ground terrestrial communication device, communicator electrical connection in waterborne or water, be lake at " channel ", the function of long-range two-way communication and remote-control romote-sensing is realized in " hydrophily body medium " in ocean.
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| CN201210539329.6A CN103023581B (en) | 2012-12-14 | 2012-12-14 | Grounding two-way digital information communication device utilizing ground electric field detection technology |
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| CN103808367B (en) * | 2014-02-28 | 2016-02-03 | 湖南科技大学 | A kind of underground survey is powered and communicator |
| CN106788558B (en) * | 2016-11-22 | 2019-06-11 | 北京信息科技大学 | A kind of ground through communication system |
| CN111628829A (en) * | 2019-02-28 | 2020-09-04 | 北京信息科技大学 | Method and device for node equipment for tunnel communication |
| CN111025034B (en) * | 2019-11-27 | 2021-11-02 | 中国船舶重工集团有限公司第七一0研究所 | Underwater electric field signal active detection circuit and detection method |
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| CN1292265C (en) * | 2005-03-11 | 2006-12-27 | 湖南继善高科技有限公司 | Pseudo-random three frequency geoelectric response measuring device and method for geoelectric field |
| US7656342B2 (en) * | 2006-10-23 | 2010-02-02 | Stolar, Inc. | Double-sideband suppressed-carrier radar to null near-field reflections from a first interface between media layers |
| US20100311325A1 (en) * | 2009-06-03 | 2010-12-09 | Marshall Radio Telemetry, Inc. | Systems and methods for through-the-earth communications |
| CN101977083B (en) * | 2010-10-29 | 2013-06-12 | 西安电子科技大学 | Ultra wideband stratum communication system |
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