CN101867394A - Device for realizing transmission by using power line and system using the same - Google Patents
Device for realizing transmission by using power line and system using the same Download PDFInfo
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- CN101867394A CN101867394A CN201010174757A CN201010174757A CN101867394A CN 101867394 A CN101867394 A CN 101867394A CN 201010174757 A CN201010174757 A CN 201010174757A CN 201010174757 A CN201010174757 A CN 201010174757A CN 101867394 A CN101867394 A CN 101867394A
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Abstract
The invention relates to a device for realizing data transmission by using a power line, comprising a network interface unit, a carrier data conversion unit, a signal buffer and amplification unit and a coupling device. The network interface unit is used for acquiring data on the network or transmitting the data to the network; the carrier data conversion unit is used for converting the data acquired by the network interface unit to a power line carrier signal or converting the power line carrier signal to carrier data to be transmitted to the network interface unit; the signal buffer and amplification unit is used for amplifying and buffering the carrier signal which is transmitted to the carrier data conversion unit or outputted by the carrier data conversion unit; and the coupling device is use for outputting and coupling the carrier data conversion unit to the power line or coupling the carrier signal on the power line to the signal buffer and amplification unit. The invention also relates to a system using the device for realizing the data transmission by using the power line. The device for realizing the data transmission by using the power line and the system using the same have the advantages of low cost can be used for the high-voltage power transmission line.
Description
Technical field
The present invention relates to field of data transmission, more particularly, relate to a kind of Apparatus and system that utilizes power line to realize transfer of data.
Background technology
Utilize the power line transmission signal, obtained utilization comparatively widely.Be based on the transfer of data of arrowband in the past mostly, about the about 100K-300K of bandwidth of its perfect condition, the speed of transfer of data is slower, does not satisfy present requirement, so the application of power carrier transmission data has been subjected to certain restriction.Improvement to power carrier transmission data requires bandwidth need reach 200M, and transmission range has 200 meters, but how this broadband signal is transferred on the power line, still adopts existing technology usually, is transferred to power line by capacitor exactly.This sample loading mode had both increased cost (because will consider the withstand voltage and the quality factor thereof of electric capacity), use and inconvenience, its assembling is greatly limited, the voltage range of using can only be worked under the low-voltage electrical network, can not satisfy the requirement of carrying out the power carrier signal transmission on high-voltage power line.Simultaneously, adopt capacitive coupling of the prior art, because its electric capacity is connected across zero, between the phase line, certain danger is arranged also by transformer secondary output, under high pressure punctures as electric capacity, be easy to system charged, cause personal safety and property loss, because electric capacity directly is connected on the electric power line end, a lot of interference signals is easy to seal in the circuit system on the power line again, it is undesired that the lighter influences the work of system, and the situation of personal safety can appear jeopardizing in weight person.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned cost height of prior art, be unfavorable for the defective on high-voltage power line, used providing a kind of cost power line that utilizes low, that can on high-voltage power line, use to realize the Apparatus and system of transfer of data.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of device that utilizes power line to realize transfer of data, comprise being used to obtain data on the network or data being sent to network interface unit on the network, be used for that the data that described network interface unit obtains are converted to the power line carrier signal or be the carrier data converting unit that is transferred to described network interface unit the power line carrier conversion of signals, be used for amplifying, buffering is sent to described carrier data converting unit or is coupled to power line by the signal damping amplifying unit of the carrier signal of described carrier data converting unit output and with described signal damping amplifying unit output or carrier signal on the power line is coupled to the coupling device of described signal damping amplifying unit.
Utilize in the device that power line realizes transfer of data of the present invention, described network interface unit comprises network interface receive path and network interface sendaisle; Described carrier data converting unit comprises carrier data conversion receive path and carrier data sendaisle; Described signal damping amplifying unit comprises that signal damping amplifies receive path and signal damping amplifies sendaisle; Described coupling device, signal damping amplify receive path, the carrier data receive path is connected successively with the network interface receive path, and the carrier signal on the power line is converted to data and is sent to described network interface unit; Described network interface sendaisle, carrier data conversion sendaisle, signal damping amplifies sendaisle and coupling device connects successively, the data of described network interface are converted to carrier signal and are sent on the described power line.
Utilize in the device that power line realizes transfer of data of the present invention, described coupling unit couples a signal on the power line or by obtaining described carrier signal on the power line; Described power line is the phase line in the described electrical power transmission system.
Utilize in the device that power line realizes transfer of data of the present invention, described coupling device comprises the carrier signal power transformer, described primary inputs or outputs end with the carrier wave of data communication equipment and is connected, comprise also with described transformer secondary output coupling capacitance that be connected and that form signal circuit and with the signal of described transformer secondary output and be coupled to the coupling unit of described power line phase line that the line of described power line phase line and described transformer secondary output one end and coupling capacitance is parallel to pass described coupling unit.
Utilize in the device that power line realizes transfer of data of the present invention, described coupling unit comprises the first magnetic coupling unit and the second magnetic coupling unit that merges the described coupling device of formation, respectively is provided with on the contacted surface in the described first magnetic coupling unit and the second magnetic coupling unit and forms groove UNICOM's enclosure space, that connect the axis direction of the described first magnetic coupling unit and the second magnetic coupling unit when it merges; The shape of the described first magnetic coupling unit and the second magnetic coupling unit comprises half garden ring, and described coupling unit shape comprises the annulus that is got by two semicircular ring merging.
Utilize in the device that power line realizes transfer of data of the present invention, comprise a plurality of projectioies on the described first magnetic coupling unit and the anchor ring that the described second magnetic coupling unit contacts, described second magnetic coupling unit and described protruding correspondence position are provided with and the suitable groove of described projection; Also comprise and be used to fetter the described first magnetic coupling unit and the described second magnetic coupling unit and it is pressed the plastic buckle of applying.
Utilize in the device that power line realizes transfer of data of the present invention, described network interface unit comprises Ethernet PHY layer module.
Utilize in the device that power line realizes transfer of data of the present invention, described Date Conversion Unit comprises that be the physical layer block of carrier signal with the ethernet mac data by OFDM Orthodoxy Frequency Division Multiplex modulation conversion.
Utilize in the device that power line realizes transfer of data of the present invention, described signal damping amplifying unit comprises a carrier signal input anode, a carrier signal input negative terminal, a carrier signal output plus terminal and a carrier signal output negative terminal; Described primary comprises two terminals and a centre cap, described centre cap is connected to described carrier signal input negative terminal and carrier signal output negative terminal by electric capacity respectively, and described two terminals are connected described carrier signal input anode and carrier signal output plus terminal by electric capacity respectively.
The invention still further relates to a kind of system that utilizes power line to realize transfer of data, it comprises two aforesaid devices that utilize power line to realize transfer of data at least, and described device is coupled in same phase line in the same transformer.
Implement the Apparatus and system that utilizes power line to realize transfer of data of the present invention, have following beneficial effect: owing to have the carrier data converting unit, so network data and carrier signal can be changed mutually and transmitted; Simultaneously because its coupling device and power line are not direct, by being connected of components and parts, but be coupled, so go for high-tension power transmission line by electromagnetic induction.So this realizes that with power line Apparatus and system cost of transfer of data is lower, can be used for the high-tension electricity transmission line.
Description of drawings
Fig. 1 is that the present invention utilizes power line to realize the illustrative view of functional configuration of installing among the Apparatus and system embodiment of transfer of data;
Fig. 2 is the logic diagram that installs among the described embodiment;
Fig. 3 is the structural representation of coupling device among the described embodiment;
Fig. 4 is the structural representation of coupling unit among the described embodiment;
Fig. 5 is the circuit theory diagrams that install among the described embodiment.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, utilize power line to realize that described device comprises network interface unit 1, carrier data converting unit 2, signal damping amplifying unit 3 and coupling device 4 among the device embodiment of transfer of data in the present invention.Network interface unit 1 is used to obtain on the network data or data is sent to network; Carrier data converting unit 2 is used for that the data that network interface unit 1 obtains are converted to the power line carrier signal or is that network data transmission is to network interface unit 1 with the power line carrier conversion of signals; Signal damping amplifying unit 3 is used to amplify, cushion the carrier signal of incoming carrier Date Conversion Unit 2 or the carrier signal of being exported by carrier data converting unit 2; Coupling device 4 is used for the output of signal damping amplifying unit 3 is coupled to power line 5 or other carrier signals of installing transmission on the power line 5 is coupled to signal damping amplifying unit 3.Wherein, coupling device 4 directly is not connected with power line 5, but by electromagnetic induction carrier signal is sent on the power line 5 or from power line 5 carrier data is responded to, coupling unit 4 couples a signal on the power line or by obtaining carrier signal on the power line; This power line is the phase line in the electrical power transmission system.Therefore, no matter how high the voltage that exists on the above-mentioned power line 5 is, as long as the gain of associated amplifier in the conditioning signal buffering amplifying unit 3 promptly can obtain roughly the same signal level at different voltage easily.Owing to do not have being connected of concrete components and parts between coupling device 4 and the power line 5, can not need withstand voltage higher device yet, safety so not only, and can reduce cost.In the present embodiment, above-mentioned network interface unit 1, carrier data converting unit 2, signal damping amplifying unit 3 and coupling device 4 connect successively, network data is converted to carrier signal is sent on the above-mentioned power line 5 or the carrier signal on the power line 5 is converted to the network data form and be sent on the network.What deserves to be mentioned is, owing to above-mentioned network data is converted to carrier signal and carrier signal is converted to the carrier frequency of network data and inequality, so the signal of own transmission can not received again.
Fig. 2 shows the more detailed structure of Fig. 1.In Fig. 2, above-mentioned network interface unit 1 comprises network interface receive path 11 and network interface sendaisle 12; Carrier data converting unit 2 comprises carrier data conversion receive path 21 and carrier data conversion sendaisle 22; Signal damping amplifying unit 3 comprises that signal damping amplifies receive path 31 and signal damping amplifies sendaisle 32.In Fig. 2, above-mentioned network interface sendaisle 12, carrier data conversion sendaisle 22, signal damping amplification sendaisle 32 and coupling device 4 connect successively, network data are converted to carrier signal and it is sensed on the power line 5 to transfer out; Coupling device 4, signal damping amplify receive path 31, carrier data conversion receive path 21 and network interface receive path 11 and connect successively, and will on power line, exist, be converted to network data and receive in the network by carrier signals of other device transmissions.
As shown in Figure 3, in the present embodiment, this coupling device 4 comprises carrier signal power transformer (comprising elementary 34 and secondary 33), coupling capacitance 32 and coupling unit 31.Wherein, elementary 34 input or output end with the carrier wave of data communication equipment is connected (being above-mentioned signal damping amplifying unit 3 connections), secondary 33 comprise two terminals, one of them is connected with an end of coupling capacitance 32, the other end of coupling capacitance 32 is connected on another terminal of secondary 33, make coupling capacitance 32 form a signal circuit with secondary 33, simultaneously, the line of this signal circuit and power line 5 (wish send to carrier wave it on or that phase line of reception carrier) from it walk abreast by passing through in the coupling unit 31, make that carrier signal can be by this coupling unit 4 by being coupled on the above-mentioned power line 5 or being coupled on the power line 5.
In the present embodiment, as shown in Figure 4, coupling unit 31 comprises that the first magnetic coupling unit 41 that merge to form coupling unit 31 and 42, the first magnetic coupling unit 41, the second magnetic coupling unit and 42 contacted surfaces, the second magnetic coupling unit are provided with the groove (411 among Fig. 4 and 421) in a space of formation when the first magnetic coupling unit 41 and the second magnetic coupling unit 42 combine; This space is along the whole first magnetic coupling unit 41 of the axial perforation of the above-mentioned first magnetic coupling unit 41 and the second magnetic coupling unit 42 and the second magnetic coupling unit 42, simultaneously, this space be communicated as one by two grooves and sealing.Particularly, the above-mentioned first magnetic coupling unit 41 and the second magnetic coupling unit 42 merge and form coupling unit 31, coupling unit 31 be shaped as a column, and be communicated with the axis direction that column is run through in formed space, and sealing by above-mentioned two grooves.As shown in Figure 4, in the present embodiment, the first magnetic coupling unit 41 and the second magnetic coupling unit 42 to be shaped as it be not the half garden annulated column that the one side of cambered surface is provided with groove, therefore, coupling unit 31 shapes be exactly by two semicircle annulated columns merge and annulus post (being the cylinder of hollow).In other embodiments, coupling unit 31 external shape can not be columniform also, for example, also can be square, so long as the magnet ring of a sealing and its axially have through hole can make the line in above-mentioned power line 5 and secondary 33 loops by getting final product.
In the present embodiment, the groove of the first magnetic coupling unit 41 and the second magnetic coupling unit 42 is positioned at the home position of its semicircular ring, described groove be shaped as semicircle.In other words, when above-mentioned first magnetic coupling unit 41 and the second magnetic coupling unit, 42 merging formation coupling units 31, this coupling unit 31 is cylinders, and the above-mentioned space that is formed by groove (411,421) is one and the body concentric axial through hole of this cylinder.This through hole is slapped together by above-mentioned two semicircular grooves.In the present embodiment, comprise a plurality of protruding 212 (referring to Fig. 4) on the first magnetic coupling unit 41 and the anchor ring that the second magnetic coupling unit 42 contacts, the second magnetic coupling unit 42 and above-mentioned protruding 412 correspondence positions are provided with the grooves 422 suitable with projection 412.With above-mentioned first magnetic coupling unit 41 and 42 merging of the second magnetic coupling unit time, above-mentioned protruding 412 enter in the above-mentioned groove 422.Such setting not only makes when above-mentioned two parts merge the location be more prone to, in conjunction with more firm, simultaneously, make that also the coupling effect of this coupling unit 31 is better, because such this coupling unit 31 that is arranged so that has less leakage field phenomenon.In other embodiments, also can above-mentioned projection and groove or use be the edge (relatively, the edge of another magnetic coupling unit will with this Curve Matching) of a curve.
In the present embodiment, in order to make the tightr of above-mentioned first magnetic coupling unit 41 and 42 combinations of the second magnetic coupling unit, take into account problem easy for installation simultaneously, this coupling device also comprises and is used to fetter the first magnetic coupling unit 41 and the second magnetic coupling unit 42 and it is pressed the plastic buckle (not shown) of applying.This buckle is further fitted win magnetic coupling unit 41 and the second magnetic coupling unit 42, makes that not only its installation is more firm, makes its leakage field further reduce simultaneously, thereby strengthens the efficient of coupling.
What deserves to be mentioned is, usually, the length of above-mentioned first magnetic coupling unit 41 and the second magnetic coupling unit, 42 axial directions can be selected between 1-5 centimetre, its peripheral radius can be selected between 1-3 centimetre, the radius of its groove can be selected between 0.5 to 2 centimetre, and above-mentioned size can satisfy common demand basically; Under some specific occasions, for example, has higher voltage on the power line, when therefore its power line is thick, the size of the above-mentioned first magnetic coupling unit 41 and the second magnetic coupling unit 42 also can not be subjected to the restriction of above-mentioned size, is as the criterion but pass therethrough with the line that can hold power line and secondary loop after its combination.
In the present embodiment, primary 34 comprises two terminals and a centre cap, and signal damping amplifying unit 3 comprises a carrier signal input anode, a carrier signal input negative terminal, a carrier signal output plus terminal and a carrier signal output negative terminal; Wherein, carrier signal just imports/negative terminal belongs to above-mentioned signal damping and amplify receive path 31, and carrier signal just export/and negative terminal belongs to above-mentioned signal damping amplification sendaisle 32; Above-mentioned centre cap is connected to above-mentioned carrier signal input negative terminal and carrier signal output negative terminal by electric capacity respectively, and above-mentioned two terminals are connected above-mentioned carrier signal input anode and carrier signal output plus terminal by electric capacity respectively.That is to say that in the present embodiment, a coupling device promptly can be realized uploading and downloading of carrier wave.The emission of carrier signal all realizes by an above-mentioned transformer with reception.Certainly, in other embodiments, the uploading and downloading separately of carrier wave can be realized by different transformers and coupling device also that though lower and disturb lessly to the requirement of circuit like this, cost is wanted height than present embodiment.
In the present embodiment, network interface unit 1 comprises ethernet mac layer module.It is used for being connected with our normally used local area network (LAN), makes that the data on this local area network (LAN) can be passed through power line transmission, and this transmission is two-way; And Date Conversion Unit 2 comprises that be the physical layer block of carrier signal with the ethernet mac data by OFDM Orthodoxy Frequency Division Multiplex modulation conversion, equally, this conversion also is two-way, and promptly above-mentioned data transaction receive path 21 and data transaction sendaisle 22 all are to adopt the modulation of OFDM Orthodoxy Frequency Division Multiplex.Wherein, the sub-channel of OFDM is 1536, the variable 2MHZ---33.3MHZ of reference carrier frequency software.
Fig. 5 is the electrical schematic diagram of above-mentioned transmitting device, carrier data from power line 5 (is seen the frame of broken lines among Fig. 5 by T2, be coupling unit 31) coupling, pass to the secondary coil of transformer T1, the secondary coil of C18 and T1 constitutes a resonator, filter network, it can effectively stop the interference signal beyond the carrier signal, and transformer T1 is this emission of device carrier signal and the main thoroughfare mouth that receives, and IC3 is an analogue amplifier, its 29 pin/30 pin are the difference input, C19, C15, C16, C17, C20, L2, the primary coil of T1 constitutes a resonant tank, after being coupled, carrier signal on the power line is input to 29 pin, 30 pin, by the inner filtering loop of IC3, amplify, by 18 pin of IC3, the output of 19 pin.In the above-mentioned integrated circuit that is numbered IC3,15 pin, 1 pin are the 5V operating voltage, 16 pin, 1 pin ground connection, 9 pin, 13 pin, 12 pin, 4 pin are the SPI control bus, SPI control bus 160 pin of this SPI control bus and IC2,152 pin, 151 pin, 153 pin correspondences are connected, and are used for control amplifier IC3 output gain.IC2 is the core processor of this device, and 9 pin are the 3.3V operating voltage, and 122 pin, 123 pin are external clock crystal pin, the Y2 quartz crystal, and C7, C8 are its resonant capacitance, its 6 pin ground connection; IC4 is plug-in ROM; IC5 is the DDR internal memory, and they form system with IC2 together, finish system start-up, initialization, data operation etc.Wherein, C5, C6 are filter capacitor, IC4, and the operating voltage of IC5 is 3.3V.1 pin of IC2 integrated circuit is the input of 1.5V core voltage, has A/D under integrated circuit (IC) 2 cooperation of portion's code within it, the conversion of D/A, the data processing of protocol layer, encrypts control etc.; Wherein 143 pin of IC2,142 pin are input ports of A/D conversion, pass through data processing in its inside.Simultaneously, 24 pin of above-mentioned IC2,30 pin, 27 pin, 26 pin, 25 pin, 31 pin, 20 pin, 19 pin, 18 pin, 17 pin, 16 pin, 15 pin, 13 pin, 14 pin, 32 pin, 12 pin and 11 pin respectively with 7 pin of IC1,3 pin, 4 pin, 5 pin, 6 pin, 2 pin, 16 pin, 18 pin, 19 pin, 20 pin, 21 pin, 22 pin, 24 pin, 23 pin, 1 pin, 25 pin and 26 pin correspondence one by one join, IC1 is ethernet physical layer (PHY), the logical pin of its 40 pin is crossed resistance R 2 ground connection, 14 pin, 48 pin are the 3.3V operating voltage, 37 pin, 38 pin, 39 pin, 41 pin, 44 pin are by drawing 3.3V on the resistance R 1.J1 is a RJ45 ethernet line interface, IC1 Ethernet chip, wherein C1, C2 is the filter capacitor of this chip, R1 is a pull-up resistor, 46 pin of Y1 quartz crystal and IC1, and 47 pin connect, C3, C4 is its resonant capacitance, R2 pull down resistor, 31 pin, 30 pin, the corresponding respectively RX+ that meets RJ45 of 34 pin, 33 pin, RX-and TX+, TX-, do data exchange processing from the TCP/IP packet that Ethernet comes by IC1 and IC2, IC2 is a core CPU, is responsible for data operation and A/D, D/A conversion, RJ45 connects terminal PC, is reduced into the reception of data.
In the present embodiment, this transmitting device course of work roughly is as follows: after powering on, behind the IC2CPU power-up initializing port, send data earlier, beginning (is promptly passed through 38 pin of amplifier IC3 on power line, 37 pin output signals) send signal and detect the state (this process data-DA conversion-amplifier ride gain IC3-is coupled on the power line) of oneself, see the device that whether has other to match with it on the power line, if have, it can receive a reply data, these data are to be modulated on the power line, and it is the carrier signal of an analog quantity, IC3 (29 pin, 30 pin) be the input of carrier signal, the expression existing device is on power line, and at this moment, it oneself is auxilliary equipment that this device software will dispose automatically.As the signal that sends is not received (for example this device is alone on power line), this device can adopt retransmission mechanism, does not still have answer signal to receive after waiting for time a few minutes (software is adjustable), and this device advances people's sleep mode automatically state, up to another device power on send signal activation it, after the stream oriented device intercommunication, which is a head end just to know oneself like this, and which is a tail end, this dress can have to put realizes configuration automatically, automatic network-building is sought functions such as autogateway, route, relaying automatically.
In the present embodiment, also disclosed a kind of system that is made of above-mentioned transmitting device, this system comprises that at least two above-mentionedly are coupling in same the transmitting device on the power line.The software and hardware setting of these transmitting devices is all identical, and it is configured on above-mentioned power line according to power-on time automatically, thereby constitutes a system by the power line transmission data.In the present embodiment, the method for each device configuration does not as above repeat them here in this system.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. device that utilizes power line to realize transfer of data, it is characterized in that, comprise being used to obtain data on the network or data being sent to network interface unit on the network, be used for that the data that described network interface unit obtains are converted to the power line carrier signal or be the carrier data converting unit that is transferred to described network interface unit the power line carrier conversion of signals, be used for amplifying, buffering is sent to described carrier data converting unit or is coupled to power line by the signal damping amplifying unit of the carrier signal of described carrier data converting unit output and with described signal damping amplifying unit output or carrier signal on the power line is coupled to the coupling device of described signal damping amplifying unit.
2. the device that utilizes power line to realize transfer of data according to claim 1 is characterized in that described network interface unit comprises network interface receive path and network interface sendaisle; Described carrier data converting unit comprises carrier data conversion receive path and carrier data sendaisle; Described signal damping amplifying unit comprises that signal damping amplifies receive path and signal damping amplifies sendaisle; Described coupling device, signal damping amplify receive path, the carrier data receive path is connected successively with the network interface receive path, and the carrier signal on the power line is converted to data and is sent to described network interface unit; Described network interface sendaisle, carrier data conversion sendaisle, signal damping amplifies sendaisle and coupling device connects successively, the data of described network interface are converted to carrier signal and are sent on the described power line.
3. the device that utilizes power line to realize transfer of data according to claim 2 is characterized in that, described coupling device couples a signal on the power line or by obtaining described carrier signal on the power line; Described power line is the phase line in the described electrical power transmission system.
4. the device that utilizes power line to realize transfer of data according to claim 3, it is characterized in that, described coupling device comprises the carrier signal power transformer, described primary inputs or outputs end with the carrier wave of data communication equipment and is connected, comprise also with described transformer secondary output coupling capacitance that be connected and that form signal circuit and with the signal of described transformer secondary output and be coupled to the coupling unit of described power line phase line that the line of described power line phase line and described transformer secondary output one end and coupling capacitance is parallel to pass described coupling unit.
5. the device that utilizes power line to realize transfer of data according to claim 4, it is characterized in that, described coupling unit comprises the first magnetic coupling unit and the second magnetic coupling unit that merges the described coupling device of formation, respectively is provided with on the contacted surface in the described first magnetic coupling unit and the second magnetic coupling unit and forms groove UNICOM's enclosure space, that connect the axis direction of the described first magnetic coupling unit and the second magnetic coupling unit when it merges; The shape of the described first magnetic coupling unit and the second magnetic coupling unit comprises half garden ring, and described coupling unit shape comprises the annulus that is got by two semicircular ring merging.
6. the device that utilizes power line to realize transfer of data according to claim 5, it is characterized in that, comprise a plurality of projectioies on the described first magnetic coupling unit and the anchor ring that the described second magnetic coupling unit contacts, described second magnetic coupling unit and described protruding correspondence position are provided with and the suitable groove of described projection; Also comprise and be used to fetter the described first magnetic coupling unit and the described second magnetic coupling unit and it is pressed the plastic buckle of applying.
7. the device that utilizes power line to realize transfer of data according to claim 6 is characterized in that described network interface unit comprises Ethernet PHY layer module.
8. the device that utilizes power line to realize transfer of data according to claim 7 is characterized in that described carrier data converting unit comprises that be the physical layer block of carrier signal with the ethernet mac data by OFDM Orthodoxy Frequency Division Multiplex modulation conversion.
9. the device that utilizes power line to realize transfer of data according to claim 8, it is characterized in that described signal damping amplifying unit comprises a carrier signal input anode, a carrier signal input negative terminal, a carrier signal output plus terminal and a carrier signal output negative terminal; Described primary comprises two terminals and a centre cap, described centre cap is connected to described carrier signal input negative terminal and carrier signal output negative terminal by electric capacity respectively, and described two terminals are connected described carrier signal input anode and carrier signal output plus terminal by electric capacity respectively.
10. system that utilizes power line to realize transfer of data, it is characterized in that, described system comprises two at least as any described device that utilizes power line to realize transfer of data of claim 1-9, and described device is coupled in same phase line in the same transformer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010174757 CN101867394B (en) | 2010-05-11 | 2010-05-11 | Device for realizing transmission by using power line and system using the same |
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| CN 201010174757 CN101867394B (en) | 2010-05-11 | 2010-05-11 | Device for realizing transmission by using power line and system using the same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102323773A (en) * | 2011-04-26 | 2012-01-18 | 航天科工深圳（集团）有限公司 | Intelligent power control method and system |
| CN107810608A (en) * | 2015-06-11 | 2018-03-16 | At&T知识产权部有限合伙公司 | Repeater and the method for being therewith used for surface wave power line communication |
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| CN2857336Y (en) * | 2005-12-16 | 2007-01-10 | 郑文宸 | Power line carrier communicator |
| CN201374695Y (en) * | 2009-03-09 | 2009-12-30 | 青岛大荣实业有限公司 | Embedded low-voltage power line carrier communication module |
| CN201409130Y (en) * | 2009-03-10 | 2010-02-17 | 上海科大鲁能集成科技有限公司 | Power line communication carrier equipment |
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| CN2810037Y (en) * | 2005-05-19 | 2006-08-23 | 北京恒丰惠通科技有限公司 | A device for transmitting Ethernet data by use of power line |
| CN2857336Y (en) * | 2005-12-16 | 2007-01-10 | 郑文宸 | Power line carrier communicator |
| CN201374695Y (en) * | 2009-03-09 | 2009-12-30 | 青岛大荣实业有限公司 | Embedded low-voltage power line carrier communication module |
| CN201409130Y (en) * | 2009-03-10 | 2010-02-17 | 上海科大鲁能集成科技有限公司 | Power line communication carrier equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102323773A (en) * | 2011-04-26 | 2012-01-18 | 航天科工深圳（集团）有限公司 | Intelligent power control method and system |
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| CN101867394B (en) | 2013-06-12 |
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