WO2024076254A1 - Procédé et système de transmission d'informations sur une ligne de communication à un fil - Google Patents
Procédé et système de transmission d'informations sur une ligne de communication à un fil Download PDFInfo
- Publication number
- WO2024076254A1 WO2024076254A1 PCT/RU2022/000325 RU2022000325W WO2024076254A1 WO 2024076254 A1 WO2024076254 A1 WO 2024076254A1 RU 2022000325 W RU2022000325 W RU 2022000325W WO 2024076254 A1 WO2024076254 A1 WO 2024076254A1
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- WO
- WIPO (PCT)
- Prior art keywords
- communication line
- signal
- potential
- generator
- output
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 title abstract description 16
- 230000010365 information processing Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 12
- 230000008054 signal transmission Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/30—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
- G08C19/32—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels of one conductor or channel
Definitions
- This technical solution relates to the field of data transmission, in particular, to a method and system for transmitting information over a single-wire communication line.
- a cable can be used as a communication line, but also linear metal structures, such as pipelines (onshore and underground), drill strings of wells, production strings of wells, and tubing of oil and gas wells.
- the source of information RU 2170952 C2, published on July 20, 2001, is known from the prior art and discloses a communication device for remote monitoring via a pipeline channel.
- the communication device for remote monitoring includes a pipeline, a transmitting unit, which includes a ground electrode, an information signal generator and an oscillating circuit, and a receiving unit, which includes a ground electrode, a selective amplifier and an oscillating circuit, each of the oscillating circuits consisting of a coil inductance and a cylindrical capacitor, one plate of which is the metal wall of the pipeline, and the other plate is an electrically conductive material applied to the pipeline insulation at the places of transmission and reception of the information signal, and the oscillatory circuits of the transmitting and receiving units have a resonant frequency equal to the frequency of the information signal.
- This system is not purely single-wire, as it uses a two-wire pipe-to-ground communication line.
- the disadvantage of such a system is the need to use the ground as a second conductor.
- the closest to the proposed solution is the source of information US6104107A, published on August 15, 2000, revealing a method and device for single-wire transmission of electricity.
- the method ensures the conversion of electrical energy generated in the original source into oscillation energy of the field of free electric charges (displacement current or longitudinal wave electric field), the energy of which is transmitted to the consuming device through a transmission line conductor that does not form a closed loop.
- the disadvantage of the method from the point of view of implementing a communication system is the use of a transformer as a generating source, as well as the absence of a reference isolated capacitance in the circuit of the original source.
- the technical problem to be solved by the claimed technical solution is the creation of a single-wire data transmission system, which uses one conductor for data transmission.
- An additional technical result is the reduction of the materials used (cables) when creating data transmission systems, due to the use of one conductor for data transmission in the solution, and when using linear metal objects (for example, pipelines) as communication lines, there is no need to lay cable lines.
- each transceiver including: an information processing unit configured to process the signal and transmit it to the unit transmitting a signal, and also configured to receive a signal for processing from a signal receiving unit; a signal transmission unit including a generator (2), with one output of the generator (2) connected to a reference isolated capacitance (C1), which represents an electrically conductive body, and the second output is connected to a communication line (C2), which represents a second isolated capacitance; a signal receiving unit, including a device for forming a reference potential (4), and an amplifier (5), configured to filter the signal; energy system.
- a single-wire cable is used as a communication line.
- linear metal structures are used as a communication line.
- the claimed result is also achieved due to the operation of the method for receiving and transmitting information using a single-wire communication line, using at least two transceivers connected by a communication line, including the stages of: to the first transceiver, from the information processing unit to the signal transmission unit, to the generator (2) receives an information signal, the generator (2) modulates the signal, and at the output of the generator (2) from the side of the reference isolated capacitance (C1) a charge of the same sign appears, and at the output of the generator (2) from the side connected to the communication line (C2 ), a charge of the opposite sign appears, and the ratio of the potential on the communication line (C2) to the potential on the reference isolated capacitance (C1) will be equal to the ratio of the reference isolated capacitance (C1) to the capacity of the communication line (C2); when transmitting a signal, a potential appears on the communication line (C2), which is an analog signal modulated by digital data, and after a time t
- Fig. 1 illustrates a block diagram of a single-wire communication channel.
- Fig. 2 illustrates a functional diagram of a transmission block and a signal receiving block of a single-wire communication channel.
- Fig. 3 illustrates an example of the operation of the proposed solution, in which a linear metal structure is used as a communication line.
- FIG. 1 shows a block diagram of a single-wire communication channel, consisting of two transceivers and a communication line.
- Each transceiver includes the following elements.
- An information processing unit configured to process a signal and transmit it to a signal transmission unit, and also configured to receive a signal for processing from a signal receiving unit.
- Figure 2 shows a functional diagram of the signal transmission block and signal reception block.
- C1 a reference isolated capacitance
- C2 communication line
- a cable can be used as a communication line, but also linear metal structures, such as: pipelines (onshore and underground), well drill strings, well production strings, oil and gas well tubing, etc.
- linear metal structures such as: pipelines (onshore and underground), well drill strings, well production strings, oil and gas well tubing, etc.
- the generator (2) with its second output is connected to a linear metal structure.
- the signal receiving unit (Rx) includes a reference potential formation device (4) and an amplifier (5), configured to filter the signal.
- a power system that ensures the power consumption of the transceiver.
- the information processing unit converts digital data received from sensors or interfaces into an analog signal and transmits it to the signal transmission unit to the generator (2).
- the first transceiver from the information processing unit to the signal transmission unit, receives an analog signal to the generator (2).
- the generator (2) modulates the signal, and the type of modulation used can be any: amplitude, frequency, phase (modulated or manipulated).
- the increase in capacitance is disproportionate to the increase in length, the decrease in potential is not critical for the transmitted signal, which can be amplified on the receiving side and filtered from interference.
- a section of the communication line can be used as a reference secluded capacitance C1.
- the signal receiving unit of the second transceiver measures the potential at the end of the communication line (C2) at point (c), using a reference potential generating device (4).
- the reference potential formation device (4) also performs the function of filtering industrial noise of 50 Hz and can be made in the form of a delay line, or a massive conductive object isolated from the communication line, or a connection point to a grounding device located at a distance from the communication line.
- the amplifier (5) amplifies the potential difference between point (c) and the output of the reference potential former (4). From the output of the amplifier the signal enters an information processing unit that converts the received analog signal into digital data.
- An underground pipeline is used as a communication line (1) (the underground part of the pipeline is covered with an electrically insulating layer (4)).
- the length of the pipeline is 3200 meters, the outer diameter of the metal pipe is 114 mm.
- the signal transmission unit (Tx) of the transceiver 1 located on the surface of the earth (3), creates a potential difference equal to 20 volts between the reference capacitance C1 (2) and the beginning of the communication line (1) (pipeline), while at the end of the communication line (pipeline) signal receiving unit (Rx) of transceiver 2, located on the surface of the earth (3), records the signal level equal to 0.137 volts.
- An insulated wire with a core cross-section of 2.5 mm 2 is used as a communication line.
- the wire length is 3200 meters, the core diameter is 1.78 mm.
- the signal transmission unit (Tx) of transceiver 1 When transmitting a signal, the signal transmission unit (Tx) of transceiver 1 creates a potential difference equal to 25 volts between the reference capacitance C1 and the beginning of the communication line, while at the end of the communication line the signal receiving unit (Rx) of transceiver 2 records the signal level equal to 0.128 volts.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Ce groupe d'inventions est destiné à la transmission d'informations sur une ligne de communication à un fil, et concerne un système et un procédé de réception et de transmission d'informations en utilisant une ligne de communication à un fil. Ce système comprend au moins deux émetteurs-récepteurs connectés par une ligne de communication. Chaque émetteur-récepteur comprend les unités suivantes. Une unité de traitement d'informations capable de traiter un signal et de le transmettre vers une unité de transmission de signal, et également capable de recevoir un signal en vue de son traitement depuis une unité de réception de signal. L'unité de transmission du signal comprend un générateur (2), et une sortie du générateur (2) est connectée à une capacité de référence isolée (C1) consistant en un corps électro-conducteur, tandis qu'une seconde sortie est connectée à la ligne de communication (C2) qui consiste en une seconde capacité isolée. L'unité de réception de signal comprend un dispositif de génération de potentiel de référence (4) et un amplificateur (5) capable de filtrer un signal, ainsi qu'un système électrique.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2022125788 | 2022-10-03 | ||
| RU2022125788A RU2022125788A (ru) | 2022-10-03 | Способ и система передачи информации по однопроводной линии связи |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024076254A1 true WO2024076254A1 (fr) | 2024-04-11 |
Family
ID=90608443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/RU2022/000325 WO2024076254A1 (fr) | 2022-10-03 | 2022-10-28 | Procédé et système de transmission d'informations sur une ligne de communication à un fil |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2024076254A1 (fr) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6104107A (en) * | 1992-05-08 | 2000-08-15 | Uniline Limited | Method and apparatus for single line electrical transmission |
| RU2170952C2 (ru) * | 1997-03-17 | 2001-07-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - ВНИИГАЗ" | Устройство связи для дистанционного контроля по трубопроводному каналу |
| RU2206922C2 (ru) * | 2001-07-26 | 2003-06-20 | ОАО "Челябинский трубопрокатный завод" | Многозонный развертывающий преобразователь для передачи логических данных по однопроводной линии связи |
| US7071837B2 (en) * | 1999-07-07 | 2006-07-04 | Expro North Sea Limited | Data transmission in pipeline systems |
| RU106458U1 (ru) * | 2011-01-11 | 2011-07-10 | ООО "Научно-производственное объединение "Современные диагностические системы" (ООО "НПО "СОДИС") | Энергосберегающая однопроводная резонансная система передачи электрической энергии |
-
2022
- 2022-10-28 WO PCT/RU2022/000325 patent/WO2024076254A1/fr unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6104107A (en) * | 1992-05-08 | 2000-08-15 | Uniline Limited | Method and apparatus for single line electrical transmission |
| RU2170952C2 (ru) * | 1997-03-17 | 2001-07-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - ВНИИГАЗ" | Устройство связи для дистанционного контроля по трубопроводному каналу |
| US7071837B2 (en) * | 1999-07-07 | 2006-07-04 | Expro North Sea Limited | Data transmission in pipeline systems |
| RU2206922C2 (ru) * | 2001-07-26 | 2003-06-20 | ОАО "Челябинский трубопрокатный завод" | Многозонный развертывающий преобразователь для передачи логических данных по однопроводной линии связи |
| RU106458U1 (ru) * | 2011-01-11 | 2011-07-10 | ООО "Научно-производственное объединение "Современные диагностические системы" (ООО "НПО "СОДИС") | Энергосберегающая однопроводная резонансная система передачи электрической энергии |
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