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WO2008011809A1 - Interface de transfert, support de transmission par cocâble, réseau lan intégrant énergie et communication et son procédé de raccordement par réseau - Google Patents

Interface de transfert, support de transmission par cocâble, réseau lan intégrant énergie et communication et son procédé de raccordement par réseau Download PDF

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Publication number
WO2008011809A1
WO2008011809A1 PCT/CN2007/002185 CN2007002185W WO2008011809A1 WO 2008011809 A1 WO2008011809 A1 WO 2008011809A1 CN 2007002185 W CN2007002185 W CN 2007002185W WO 2008011809 A1 WO2008011809 A1 WO 2008011809A1
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WO
WIPO (PCT)
Prior art keywords
cable transmission
line
common cable
communication
branch
Prior art date
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Ceased
Application number
PCT/CN2007/002185
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English (en)
Chinese (zh)
Inventor
Yibing Wang
Xiaohang Wang
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2008011809A1 publication Critical patent/WO2008011809A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/547—Systems for power line communications via DC power distribution

Definitions

  • Transit interface common cable medium, power communication integrated local area network and networking method thereof
  • the invention relates to a cable transmission medium, a transfer interface device, a local area network and a networking method thereof, and more particularly to an electric power, communication common cable transmission medium and a common cable transmission A distribution (branch) of a medium, a composite transfer interface device, and a local area network and a networking method thereof, which are integrated by power transmission and communication transmission formed by using the common cable transmission medium and the interface device.
  • Background technique
  • the present invention provides an electric power, communication co-cable transmission medium, and an allocation (branch) for the co-cable transmission medium, a synthesizing transfer interface device, and a transmission medium by using the common cable A local area network and a networking method thereof for integrating power transmission and communication transmission formed by the transfer interface device.
  • a power and communication common cable transmission medium comprising: an outer protective layer located at an outermost layer of a common cable transmission medium; an outer insulating layer located inside the outer protective layer; and a power transmission conductor layer , located inside the outer insulation layer; insulation layer, located inside the power transmission conductor layer; communication transmission outer shielding layer, located inside the insulation layer; The insulation and geometric precision assurance layer is located inside the outer shield of the communication transmission; and the communication transmission conductor is located at the center of the common cable transmission medium.
  • a transfer interface device for a power and communication common cable transmission medium, the power and communication common cable transmission medium comprising a power transmission conductor layer and a communication transmission conductor
  • the utility model comprises: a plurality of input ports and output ports, comprising a plurality of trunk input ports and output ports and a plurality of branch line output ports for accessing trunk and branch line common cable transmission medium, the plurality of trunk line input ports and output ports further comprising a plurality of mains live input ports and a mains neutral input port and a plurality of mains live output ports and a mains neutral output port, the plurality of branch output ports further comprising a plurality of branch live output ports and a plurality of branch neutral outputs Port; multiple power transmission conductor connectors; multiple network segment setting modules for network segment setting functions for downlink communication; multiple branches, including trunk input ports, trunk output ports, and multiple branch ports; synthesizer, Includes trunk input port, trunk output port, and multiple branch ports for multipathing
  • the utility model comprises: a plurality of input ports and output
  • a local area network system comprising: a first plurality of common cable transmission media and a second group of common cable transmission media, wherein each common cable transmission medium
  • the power transmission conductor layer and the communication transmission conductor, the power transmission conductor layer of the first group of the common cable transmission medium is connected to the live line of the upper network, and the power transmission conductor layer of the second group of the common cable transmission medium and the neutral line of the upper network
  • the communication and transmission conductors of the first group of the plurality of common cable transmission media and the second group of the common cable transmission media are respectively connected with the upper communication node;
  • the first group of the plurality of interface interfaces are respectively disposed in the first group of the plurality of common cable transmission media
  • each of the common cable transmission media of the second group of the common cable transmission medium is used for extracting a plurality of branch lines; wherein each branch line of the first group of the plurality of common cable transmission media is transmitted from the second group of common cables
  • Each branch line drawn by the medium constitutes
  • a networking method of a local area network system including a first plurality of common cable transmission media and a second group of common cable transmission media, and a first plurality of interface interfaces
  • Each of the common cable transmission media includes a power transmission conductor layer and a communication transmission conductor
  • the method comprising: connecting a power transmission conductor layer of the first plurality of common cable transmission media to a live wire of the upper network; and transmitting the second group of common cables
  • the power transmission conductor layer of the medium is connected to the neutral line of the upper network; the communication transmission conductors of the first group of the plurality of common cable transmission medium and the second group of the common cable transmission medium are respectively connected to the upper communication node; and the first group of multiple turns is used;
  • the interface respectively extracts a plurality of branch lines from each of the plurality of common cable transmission media and the second group of common cable transmission media; wherein each of the plurality of common cable transmission media is extracted from the first group
  • FIG. 1 is a block diagram showing the original circuit of a power transmission and communication transmission integrated local area network (LAN) circuit of the present invention
  • FIG. 2 is a flow chart of a common cable shield power transmission networking in a power transmission and communication transmission integrated local area network according to the present invention
  • 3 is a flow chart of the downlink communication networking in the common cable medium communication transmission of the present invention
  • FIG. 4 is a flow chart of the uplink communication networking in the common cable medium communication transmission of the present invention
  • FIG. 5 is a longitudinal section of the common cable medium of the present invention
  • Figure 6 is a cross-sectional structural view of a common cable medium of the present invention.
  • Figure 7 is a schematic view showing the layered anatomical structure of the common cable medium of the present invention.
  • FIGS. 8A and 8B are structural views of a power transmission conductor connector in the interface device of the present invention.
  • 9A and 9B are structural views of a lock nut of a power transmission conductor connector in the interface device of the present invention.
  • 10A is a circuit schematic diagram of a network segment setting of downlink communication in the interface device of the present invention.
  • Figure 10B is a schematic diagram of the frequency curve of the circuit of Figure 10A;
  • FIG. 11 is a schematic diagram of a network segment synthesis circuit for uplink communication in the interface device of the present invention.
  • Figure 12 is an outline view of the interface device of the present invention.
  • FIG. 13 is a block diagram showing the connection circuit of the interface device of the present invention. detailed description
  • FIG. 1 is a diagram showing the principle of the integrated circuit of the power transmission and communication transmission integrated network of the present invention.
  • the A line, the B line, the C line and the D line constitute a three-phase four-wire power transmission and communication transmission integrated LAN backbone network, wherein
  • the A line, the B line and the C line are the live line of the power transmission and the downlink signal line for the communication transmission
  • the D line is the neutral line of the power transmission and the uplink signal line of the communication transmission.
  • the A line, the B line, the C line, and the D line are power and communication common cable transmission media, and the structure thereof will be described in detail later.
  • power transmission from the upper level Network access constitutes a power transmission local area network
  • communication downlink transmission from the patent application disclosed in CN1758584 frequency allocation user access to the local area network system and uplink and downlink transmission methods), the high frequency broadband synthesis shown in Figure 1
  • the output port of the device H is connected to a main line (one of the A line, the B line and the C line) in the downlink communication of the present invention
  • the communication uplink transmission is from the high frequency broadband distributor HF shown in FIG. 1 of the above patent application.
  • the invention discloses an uplink communication transmission trunk line (D line), thereby forming a tree-type distribution coverage area of a communication common area network for downlink common cable transmission.
  • the distribution of multiple trunk star stars constitutes a common cable LAN area covering the entire area of power transmission and communication transmission.
  • the A, B, and C lines of the office i or the network are assigned al, a2, an, bl, b2, bn, cl through the interfaces Ia, IIa, Na, Ib, lib, N, Ic, IIc, Nc.
  • the communication transmission structure of the D line constitutes multiple uplink lines, which conforms to the characteristics of small uplink information capacity in the communication local area network.
  • a plurality of further downlink networks can be separated.
  • the dal and al transit interfaces idal, Ida2, and Idan can allocate a plurality of lower-level network lines; the Ida2 is separated.
  • the branch lines alcl and dalxl can allocate a plurality of lower-level networks through the transfer interfaces Ida2xl, Ida2x2, and Ida2xn.
  • the three-phase power user in the local area network can allocate a plurality of lower-level three-phase four-wire lower-level networks via the interface S.
  • Fig. 2 is a flow chart showing the networking of the common cable dielectric power transmission in the integrated power transmission and communication transmission local area network of the present invention.
  • step S210 the power conductor of the common cable medium is accessed from the upper network to form a three-phase four-wire common cable medium power transmission local area network.
  • step S220 the power transmission local area network allocates a plurality of lower-level branch networks via the interface device.
  • step S230 the power transmission branch line allocates a plurality of lower branch lines via the interface device.
  • step S240 the branch line of the power transmission distributes a plurality of subscriber lines via the interface device.
  • step S310 a communication conductor of the common cable shield is introduced from the upper communication node to form a communication transmission local area network composed of a plurality of backbone lines.
  • step S320 a hot line of the common cable transmission medium branches off the plurality of lower downlink network segments via the interface device.
  • step S330 the downlink downlink network segment of the common cable transmission branches off the plurality of downlink downlink branch communication network segments through the interface device.
  • step S340 the downlink downlink branch network segment of the common cable transmission branches off a plurality of user downlink communication lines via the interface device.
  • step S410 the uplink lines of the plurality of subscriber lines of the common cable medium are combined into a group of upper uplink branch line segments via the interface device.
  • step S420 the plurality of uplink branch network segments of the common cable medium are synthesized into a first-level upper-level uplink network segment by using the interface device.
  • step S430 the plurality of uplink network segments of the common cable medium are combined into another uplink network segment.
  • step S440 the plurality of uplink network segments of the common cable medium are synthesized into an uplink communication trunk line of a common cable transmission medium via the interface device.
  • Figure 5 is a longitudinal sectional structural view of a common cable transmission medium of the present invention.
  • ⁇ , ⁇ is the outer protective layer of the medium, and the standard for implementing low-voltage power wires (can be divided into special requirements such as overhead and buried and explosion-proof).
  • I. ⁇ is the outer insulation layer of the medium, and the standard for implementing low-voltage power wires.
  • the power transmission conductor layer of ⁇ is a medium, which can be wrapped with a hollow tube of copper or aluminum or a copper strip with aluminum strip. The thickness is selected according to the required current, and the material is subjected to the standard of low-voltage power conductor.
  • III, III for the insulation between power transmission and communication transmission, the implementation of low-voltage power wire standards.
  • IV, IV, the outer shield for communication transmission can be made or wrapped with thin copper wire (or copper foil) or thin aluminum wire (aluminum foil) to implement the high frequency coaxial cable standard.
  • V, V, is the insulation and geometric precision guarantee layer for communication transmission, and implements the high frequency coaxial cable standard.
  • VI is a conductor for communication transmission. It can be wrapped around a steel cable with a solid core, hollow core or metal strip. It performs various standards of high-frequency coaxial cable -3, -5, -7, -12, etc. Configuration.
  • the power transmission and communication transmission common cable skin of the present invention can select the required classification medium configuration according to the performance requirements of the main line, the branch line, the branch line, and the subscriber line.
  • Figure 6 is a cross-sectional view of a common cable transmission medium of the present invention.
  • the common cable transmission medium of the present invention has a circular structure, wherein layers 1, 2, 3, 4, 5, and 6 correspond to I, ⁇ , II, ⁇ , III, ⁇ , IV, and IV of Fig. 5, respectively.
  • Figure 7 is a schematic illustration of the layered anatomy of the co-cable transmission medium of the present invention.
  • the layers 1, 2, 3, 4, 5, and 6 in the figure also correspond to I, ⁇ , II, II, III, III, IV, IV, V, V, VI of Fig. 5, respectively. And as a stratification requirement for construction installation.
  • FIG. 8A and 8B are structural views of a power transmission conductor connector in the interface device of the present invention.
  • Fig. 8A is a cross-sectional view of the connector
  • Fig. 8B is a top view of the connector.
  • the power transmission conductor connector includes a tapered portion, a threaded portion, and a fixed base Z.
  • the tapered portion is used for power conductor connections and has a height of HI.
  • the contact area should meet and exceed the conductor current strength requirements.
  • the threaded part is used for tightening with the lock nut and its height is H2, which should meet the tightening lock requirements.
  • the tapered portion and the threaded portion may be integral or separate.
  • the inner bore extends through the tapered portion, the threaded portion and the fixed base to allow the communication transmission conductor to pass through, and H is the inner diameter of the inner bore and cooperates with the three layers shown in FIG.
  • the fixed base Z has a thickness of H3 and should meet the geometric strength and current strength requirements.
  • the base Z has a round hole ⁇ ⁇ for connection to devices such as distribution insurance.
  • the outer protective layer and the outer insulating layer 1 of the medium are first stripped, the power transmission conductor layer 2 is exposed and the required length is left, and the remaining stripping is performed to expose the insulating layer 3 and remain.
  • the length is greater than HI + H2, and after the remaining stripping, the communication transmission structure is exposed.
  • the power transmission conductor layer 2 is connected to the tapered portion.
  • the method of placing the communication transmission structure is connected to the branch, distributor, synthesizer, mixer, etc. of the CATV device by referring to the technical requirements of the F-head of the high-frequency coaxial cable and the CATV construction specification.
  • FIGS. 9A and 9B are structural views of a lock nut of a power transmission conductor connector in the interface device of the present invention.
  • Figure 9A is a longitudinal anatomical view of the lock nut
  • Figure 9B is a top view of the lock nut.
  • the inner hole Hy is equal to H of FIG. 8A, and Hlj and H2j are slightly larger than H1 and H2 of FIG. 8A, respectively.
  • the inner cone portion and the inner thread portion of the lock nut are to be engaged with the tapered portion and the externally threaded portion of FIG. 8A to enable the power transmission conductor of the common cable transmission medium to be tightly and securely fastened and fastened after the mounting nut is locked.
  • . 1 is a circuit schematic diagram of a network segment setting of downlink communication in the interface device of the present invention.
  • Cl, C2, C3, C4, C5, and C6 are capacitors, and L1, L2, L3, L4, L5, and L6 are inductance coils.
  • the L6 forms a high-pass filter that allows the high-frequency signal to pass partially, adjusting its capacitance and inductance to control the frequency that is allowed to pass.
  • a low-pass filter consisting of capacitors C2, C3, C6 and inductors L1, L4, L5 is used to allow low-frequency signal portions to pass, and the capacitance and inductance are adjusted to control the frequency allowed to pass.
  • the high-pass filter and the low-pass filter together form a band-pass filter, which is used to pass a certain frequency signal and limit the passage of other frequency signals to achieve the purpose of network segment setting.
  • IN is the input and OUT is the output.
  • Capacitors and inductors can be replaced by crystal or ceramic filters as needed in the application.
  • the circuit can be made into a plug-in that is plugged into the splitter, splitter, synthesizer, mixer of the CATV.
  • the segment setting circuit shown in Fig. 10A is essentially a band pass filter, so that various types of band pass filters can be used to implement the function of the segment setting circuit shown in Fig. 10A.
  • Figure 10B is a schematic diagram of the frequency curve of the circuit of Figure 10A.
  • fd is the frequency allowed to pass. It can be seen that the circuit in Fig. 10A functions as a band pass filter and can pass a frequency having a bandwidth of fd.
  • FIG 11 is a schematic diagram of a network segment synthesis circuit for uplink communication in the interface device of the present invention.
  • H is a high frequency core
  • Wl, W2, and Wn are primary inductors.
  • Ws is the secondary inductor.
  • Wl, W2, Wn are connected to the lower frequency band or network segment signals. Due to the high frequency electromagnetic induction principle, Ws is synthesized into a first-level signal through the high-frequency magnetic core to achieve the purpose of signal synthesis.
  • the synthesizer circuit can be mounted in a splitter or distributor housing of the CATV.
  • the input and output connections are in the CATV process.
  • Figure 12 is an outline view of the interface device.
  • the interface device 100 has one live line and one zero line input port and two branch line output ports, wherein IN Za is a trunk line input port, IN Zd is a trunk zero line input port, and OUT Za is a line output.
  • IN Za is a trunk line input port
  • IN Zd is a trunk zero line input port
  • OUT Za is a line output.
  • OUT Zd is the trunk zero line output port
  • OUT Zafl is the first branch line line output port
  • OUT Zdfl is the first branch line zero line output port
  • OUT Zaf2 is the second branch line line output port
  • OUT ZdG Is the second branch zero line output port.
  • Figure 13 is a block diagram showing the principle of the connection circuit of the interface device 100 of the present invention shown in Figure 12 .
  • the interface device 100 includes a plurality of power transmission conductor connectors, a plurality of power distributors, network segment setting modules 130 and 140, a brancher 110, and a synthesizer 120. Each of the input/output ports of the interface device 100 is connected to a power transmission conductor connector.
  • the power transmission conductor connector has the structure shown in Figs. 8A and 8B.
  • the input mains live line is connected from the IN Za input port and connected to the connector la.
  • the power transmission conductor of the input mains live wire is connected to the tapered portion of the connector la, and the communication transmission conductor passes through the inner hole of the connector la and is connected to the mains input port of the splitter 110.
  • the first line of live wire is connected from the OUT Zafl output port and connected to the connector Izal. Specifically, the power transmission conductor of the first line of live wire is connected to the tapered portion of the connector Izal, and the communication transmission conductor passes through the inner hole of the connector Izal and is connected to the output port OUT of the segment setting module 130.
  • the first branch port OUTBB1 of the splitter 110 is connected to the input port IN of the segment setting module 130.
  • the base of the connector la (not shown) is connected to the base of the connector Izal (not shown) via the distributor.
  • the second branch FireWire is connected from the OUTZaf2 output port and connected to the connector Iza2. Specifically, the power transmission conductor of the second leg line is connected to the tapered portion of the connector Iza2, and the communication transmission conductor passes through the inner hole of the connector Iza2 and is connected to the output port OUT of the segment setting module 140.
  • the second branch port OUTBB2 of the splitter 110 is connected to the input port IN of the segment setting module 140.
  • the base of the connector la (not shown) is connected to the base of the connector Iza2 (not shown) via the distributor.
  • the output trunk firewire is connected from the OUT Za input port and is connected to the connector la'.
  • the power transmission conductor of the output mains is connected to the tapered portion of the connector la', and the communication transmission conductor passes through the inner hole of the connector la' and is connected to the mains output port OUTBM of the splitter 110.
  • the base of the connector la passes through the base of the distributor and the connector la' (figure Not shown) connected.
  • the input trunk neutral is connected from the IN Zd input port and connected to the connector Id. Specifically, the power transmission conductor of the input neutral line is connected to the tapered portion of the connector Id, and the communication transmission conductor passes through the inner hole of the connector Id and is connected to the trunk input port OUTSM of the synthesizer 120.
  • the first line neutral is connected from the OUT Zdfl output port and is connected to the connector Izdl. Specifically, the power transmission conductor of the first line neutral is connected to the tapered portion of the connector Izdl, and the communication transmission conductor passes through the inner hole of the connector Izdl and is connected to the first line port INSB1 of the synthesizer 120.
  • the second branch neutral is connected from the OUT Zdf2 output port and is connected to the connector Izd2. Specifically, the power transmission conductor of the second branch neutral is connected to the tapered portion of the connector Izd2, and the communication transmission conductor passes through the inner hole of the connector Izd2 and is connected to the second branch port INSB2 of the synthesizer 120.
  • the output trunk neutral is connected from the OUT Zd output port and is connected to the connector Id'.
  • the power transmission conductor of the output mains neutral is connected to the tapered portion of the connector Id', and the communication transmission conductor passes through the inner hole of the connector Id' and is connected to the mains output port INSM of the synthesizer 120.
  • the connectors Id, the connectors Izdl, the connectors Izd2 and the base of the connector Id' are directly connected without a distributor.
  • the splitter 110 can employ a splitter of CATV.
  • the synthesizer 120 is used to synthesize a plurality of digital high-frequency broadband signals into one digital high-frequency broadband composite signal, and may have the structure shown in Fig. 11 or a CATV synthesizer.
  • the network segment setting modules 130 and 140 are used to implement the network segment setting function for downlink communication, and may have the structure shown in FIG.
  • the dashed lines connected to the respective power transmission conductor connectors in Fig. 13 indicate the communication transmission conductors of the common cable transmission medium.
  • the input live line and the neutral line can be switched out of the two-stage branch line output.
  • the interface device 100 shown in FIG. 13 has one live line and one zero line input to And two branch lines are output, but the structure of the interface device 100 is not limited thereto.
  • the interface device 100 can have multiple Firewire inputs or can have more than two tributary outputs.
  • each branch's branch output includes a corresponding number of multiple branch Firewires.
  • the branch line outputs more than two paths the number of branch ports of the splitter 110 increases correspondingly, and the number of branch ports of the synthesizer 120 also increases accordingly.
  • each input port and output port corresponds to a power transmission conductor connector
  • each trunk line input port corresponds to one branch
  • the trunk zero line input port corresponds to a synthesizer
  • each trunk line input port is The fixed base of the corresponding connector is connected with the corresponding branch line fire line output port and the fixed base of the connector corresponding to the corresponding main line fire line output port; the fixed base of the corresponding connector of the trunk zero line input port is directly connected with each branch line zero.
  • the communication transmission conductor is connected, and each branch port is connected to the communication transmission conductor of the corresponding branch line through the network section annihilation module; the trunk input port of the synthesizer is used for connecting with the communication transmission conductor of the input trunk neutral line, and the trunk output port is used for the trunk output port Communication with the output trunk zero line Connector body, which correspond transfer conductors branch lines with respective branch port connected to the zero line.
  • the power transmission in the integrated power transmission and communication transmission local area network conforms to the existing power three-phase four-wire LAN networking standard and three-phase live 380V (or other standard) and single-phase 220V (or other standard) Household method.
  • the common cable transmission medium utilizes the skin effect principle of current flow during power transmission, that is, most of the current flows on the surface of the conductor.
  • the power transmission conductor is disposed on the outer layer of the above-mentioned common cable transmission medium, and the current transmission efficiency of the power transmission conductor can be better utilized. Overcome the inefficiency of a single solid power transmission conductor.
  • the communication conductor structure of the common cable transmission medium is placed in the inner layer. At the same time, the physical strength and geometric precision of the above power conductor and the protection and insulation layer are utilized, further ensuring the geometric precision required for high frequency communication of the inner layer of the common cable medium, and utilizing the low frequency electronic effect formed by the power conductor and power transmission.
  • the composite shielding layer is formed to further improve the anti-interference of the communication medium: Sex and stability, qualitative ⁇
  • the transfer interface devices required in the power transmission and communication transmission networking are concentrated in the same casing, respectively performing the switching and setting of the lower-level network, which is convenient for intelligent control and effective operation monitoring of the power transmission by using the communication. It also simplifies construction, installation and maintenance.
  • the invention has the following advantages:
  • the integrated network of power transmission and communication transmission greatly reduces the construction and installation costs, and reduces the design of the local area network, which greatly reduces the adverse impact of the wiring on the environment.
  • the common cable transmission medium reasonably utilizes the principle of signal transmission of power transmission and communication with high frequency and wide spectrum, so that the structure of the local area power transmission conductor is more reasonable.
  • the common cable transmission medium makes reasonable use of the structure of the power transmission shield, so that the communication transmission has more reliable and stable geometric accuracy requirements and superior anti-interference ability, smaller signal attenuation, and one transmission can transmit longer distances. .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Cette invention concerne un support de transmission par cocâble d'énergie et de communication, une interface de transfert de distribution et de composition du support et un réseau LAN intégrant la transmission d'énergie et de communication réalisée par le support de transmission par cocâble et l'interface de transfert, et son procédé de raccordement par le réseau. Selon cette invention, le support comprend une couche de protection externe placée au niveau de l'extrémité, une couche d'isolation externe placée à l'intérieur de la couche de protection externe, une couche conductrice de transmission d'énergie placée à l'intérieur de la couche d'isolation externe, une couche d'isolation placée à l'intérieur de la couche conductrice, une couche de protection externe placée à l'intérieur de la couche d'isolation, une couche de protection garantissant l'isolation de la transmission et la précision géométrique déterminées à l'intérieur de la couche de protection externe et un conducteur de transmission de communication placé au centre du support de transmission par cocâble.
PCT/CN2007/002185 2006-07-18 2007-07-18 Interface de transfert, support de transmission par cocâble, réseau lan intégrant énergie et communication et son procédé de raccordement par réseau Ceased WO2008011809A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610101397A CN100588127C (zh) 2006-07-18 2006-07-18 转接口、电力通讯一体化局域网及其组网方法
CN200610101397.9 2006-07-18

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WO2008011809A1 true WO2008011809A1 (fr) 2008-01-31

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Cited By (1)

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US8567425B2 (en) 2009-11-24 2013-10-29 Opko Diagnostics, Llc Fluid mixing and delivery in microfluidic systems

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100588127C (zh) * 2006-07-18 2010-02-03 王亦兵 转接口、电力通讯一体化局域网及其组网方法

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