CN101867393A - Transmission device for transmitting data by striding over power line transformer - Google Patents
Transmission device for transmitting data by striding over power line transformer Download PDFInfo
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- CN101867393A CN101867393A CN201010174750A CN201010174750A CN101867393A CN 101867393 A CN101867393 A CN 101867393A CN 201010174750 A CN201010174750 A CN 201010174750A CN 201010174750 A CN201010174750 A CN 201010174750A CN 101867393 A CN101867393 A CN 101867393A
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Abstract
The invention relates to a transmission device for transmitting data by striding over a power line transformer. The power line transformer comprises a primary side and a secondary side, wherein the primary side and the secondary side are respectively connected with different power lines. The invention is characterized in that the transmission device comprises two transmission units; and the two transmission units are coupled with the power lines connected with the primary side and the secondary side in a non-contact electromagnetic mode, and are mutually connected through cables. The transmission device for transmitting the data by striding over the power line transformer has the following beneficial effects: the data can be transmitted by striding over the power line transformer; since the coupling devices of the two transmission units are not directly connected with the power lines but are coupled with the power lines in a magnetic induction mode, no matter how the pressures at the two sides of the transformer change, the data can be conveniently and safely transmitted between the primary side and the secondary side of the power line transformer.
Description
Technical field
The present invention relates to the electric power transfer field, more particularly, relate to a kind of transmitting device of transmitting data by striding over power line transformer.
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.Simultaneously, in existing technology, in the enterprising line data transmission of power line, usually all be in the scope of same transformer, that is to say that common transmitting device all is arranged on the former limit or the secondary of transformer, can not cross over transformer transmission data in the existing technology.This is because the former limit of common power transformer and the voltage of secondary are not wait, and normally direct and power line coupling (passing through electric capacity) in the prior art, easy like this making draws the higher current potential of appearance in the transmitting device, damage this transmitting device, thereby the difficult in the prior art transformer of striding of data of realizing transmits.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned defective of striding the transformer transmission that is difficult to realize the power line carrier data at prior art provides transmitting device a kind of easy realization, transmitting data by striding over power line transformer.
The technical solution adopted for the present invention to solve the technical problems is: the transmitting device of constructing a kind of transmitting data by striding over power line transformer, described power transformer comprises former limit and secondary, described former limit and secondary connect with different power line respectively, described transmitting device comprises two transmission units, the power line noncontact electromagnetic coupled that described transmission unit is connected with described former limit and secondary respectively, and interconnect by cable.
In the transmitting device of transmitting data by striding over power line transformer of the present invention, described transmission unit also comprises network interface, carrier data converting unit, signal damping amplifying unit and coupling device, and described network interface, carrier data converting unit, signal damping amplifying unit are connected successively with described coupling device; The network interface of described two transmission units interconnects; The coupling device of described two transmission units is coupled with the power line that the former limit of described transformer is connected with secondary respectively.
In the transmitting device of transmitting data by striding over power line transformer of the present invention, the voltage on the power line that the former limit of described power transformer connects is identical or inequality with voltage on the power line that secondary is connected.
In the transmitting device of transmitting data by striding over power line transformer 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, also comprise 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 the power line that described and this coupling device be coupled, the line of described power line and described transformer secondary output one end and coupling capacitance walks abreast and passes described coupling unit.
In the transmitting device of transmitting data by striding over power line transformer 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.
In the transmitting device of transmitting data by striding over power line transformer of the present invention, the shape of the described first magnetic coupling unit and the second magnetic coupling unit comprise half garden ring, described coupling unit shape comprise by two semicircular ring merge and, the through hole annulus concentric in the middle of it with profile.
In the transmitting device of transmitting data by striding over power line transformer 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.
In the transmitting device of transmitting data by striding over power line transformer of the present invention, described buffering 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.
In the transmitting device of transmitting data by striding over power line transformer of the present invention, described network interface comprises Ethernet RJ45 interface; Interconnect by cable between the RJ45 interface in described two transmission units.
In the transmitting device of transmitting data by striding over power line transformer of the present invention, 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.
Implement the transmitting device of transmitting data by striding over power line transformer of the present invention, has following beneficial effect: because this transmitting device comprises two transmission units, these two transmission units intercouple with the power line of the former limit of transformer and secondary respectively and two transmission units network interface by separately is connected, and therefore can stride across transformer transmission data; Simultaneously, because the coupling device of two transmission units does not all have directly to be connected with power line, but be coupled by magnetic induction, therefore, can between former limit of power transformer and secondary, transmit data easily and safely no matter the voltage on transformer both sides is how.
Description of drawings
Fig. 1 is the structural representation of the transmitting device embodiment of transmitting data by striding over power line transformer of the present invention;
Fig. 2 is the structural representation of transmission unit 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 diagram of transmission unit among the described embodiment.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, in the transmitting device embodiment of transmitting data by striding over power line transformer of the present invention, power transformer 110 comprises a former limit and a secondary, its former limit comprises connected power line 113, its secondary is connected with power line 114, and the transmitting device of this transmitting data by striding over power line transformer comprises two identical haply transmission units (111,112), one of them transmission unit (111) and 113 couplings of above-mentioned former limit power line, and another transmission unit (112) and above-mentioned secondary power line 113 couplings, meanwhile, above-mentioned two transmission units (111,112) between, also link together by cable 115.In the present embodiment, be to connect by cable 115 between the above-mentioned transmission unit (111,112) at separately network interface.Particularly, the network interface on the above-mentioned transmission unit is the RJ45 interface of Ethernet, and the cable 115 that connects therebetween is external netting twine.In addition, in the present embodiment, above-mentioned former limit power line 113 and secondary power line 114 are the phase line of homophase.In other embodiments, also can be the phase line of not homophase (yes under the situation of the transformer of three-phase) or zero line of homophase or the like.In the present embodiment, the voltage of above-mentioned former limit power line 113 and secondary power line 114 is different, and in other embodiments, above-mentioned former limit power line 113 also can be identical with voltage on the secondary power line 114.In fact, because what take between above-mentioned transmission unit and the power line is the electromagnetic coupled of noncontact, promptly the time there not be directly connection or the connection by electronic devices and components (for example electric capacity) be coupled in coupling, but by electromagnetic induction (air is as media) coupling, therefore, the magnitude of voltage on above-mentioned former limit power line 113 and the secondary power line 114 is not a decisive factor.
In the present embodiment, above-mentioned transmitting device of striding power transformer transmission data is transparent for the data on the power line on power transformer both sides.The effect that is to say this transmitting device is equal to data wire substantially with the data channel short circuit on the power line of above-mentioned power transformer both sides, makes the data on the power line of above-mentioned power transformer both sides can be without above-mentioned power transformer, transmission damply.
As shown in Figure 2, the structure of each transmission unit is identical in the present embodiment, and it comprises network interface unit 1, carrier data converting unit 2, signal damping amplifying unit 3 and coupling device 4.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, how high regardless of the voltage that exists on the above-mentioned power line 5, as long as regulate the degree of coupling of electromagnetic induction, for example, regulate the distance of coupling device 4 and power line 5, 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.
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 PHY 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 transmission unit, carrier data from the power line is by the coupling of T2, pass to the secondary coil of transformer T1, the secondary coil of C18 and T1 constitutes a resonator, filter network, and it can effectively stop the interference signal beyond the carrier signal, transformer T1 is this emission of device carrier signal and the main thoroughfare mouth that receives, IC3 is an analogue amplifier, and its 29 pin/30 pin are the difference input, C19, C15, C16, C17, C20, L2, the primary coil of T1 constitutes a resonant tank, is input to 29 pin after the carrier signal on the power line is coupled, 30 pin are 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 that networked physics layer (is PHY, in the present embodiment, PHY module for Ethernet), the logical pin of 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 physical layer 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 transmission unit 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.
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. the transmitting device of a transmitting data by striding over power line transformer, described power transformer comprises former limit and secondary, described former limit and secondary connect with different power line respectively, it is characterized in that, described transmitting device comprises two transmission units, the power line noncontact electromagnetic coupled that described transmission unit is connected with described former limit and secondary respectively, and interconnect by cable.
2. the transmitting device of transmitting data by striding over power line transformer according to claim 1, it is characterized in that, described transmission unit also comprises network interface, carrier data converting unit, signal damping amplifying unit and coupling device, and described network interface, carrier data converting unit, signal damping amplifying unit are connected successively with described coupling device; The network interface of described two transmission units interconnects; The coupling device of described two transmission units is coupled with the power line that the former limit of described transformer is connected with secondary respectively.
3. the transmitting device of transmitting data by striding over power line transformer according to claim 2 is characterized in that, the voltage on the power line that the former limit of described power transformer connects is identical or inequality with voltage on the power line that secondary is connected.
4. the transmitting device of transmitting data by striding over power line transformer 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, also comprise 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 the power line that described and this coupling device be coupled, the line of described power line and described transformer secondary output one end and coupling capacitance walks abreast and passes described coupling unit.
5. the transmitting device of transmitting data by striding over power line transformer 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.
6. the transmitting device of transmitting data by striding over power line transformer according to claim 5, it is characterized in that, the shape of the described first magnetic coupling unit and the second magnetic coupling unit comprise half garden ring, described coupling unit shape comprise by two semicircular ring merge and, the through hole annulus concentric in the middle of it with profile.
7. the transmitting device of transmitting data by striding over power line transformer according to claim 6, 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.
8. the transmitting device of transmitting data by striding over power line transformer according to claim 7, it is characterized in that described buffering 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.
9. the transmitting device of transmitting data by striding over power line transformer according to claim 8 is characterized in that, described network interface comprises Ethernet RJ45 interface; Interconnect by cable between the RJ45 interface in described two transmission units.
10. the transmitting device of transmitting data by striding over power line transformer according to claim 8, it 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010174750 CN101867393B (en) | 2010-05-11 | 2010-05-11 | Transmission device for transmitting data by striding over power line transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010174750 CN101867393B (en) | 2010-05-11 | 2010-05-11 | Transmission device for transmitting data by striding over power line transformer |
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| CN101867393B CN101867393B (en) | 2013-06-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471008Y (en) * | 2001-03-26 | 2002-01-09 | 熊小军 | Electric carrier network domestic electric appliance |
| JP2008066828A (en) * | 2006-09-05 | 2008-03-21 | Toshiba Lighting & Technology Corp | Power line carrier transmission device, power line carrier reception device, and power line carrier communication device |
| CN101345487A (en) * | 2008-05-21 | 2009-01-14 | 英飞特电子（杭州）有限公司 | Primary sampling current controlled synchronous commutation driving circuit |
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2010
- 2010-05-11 CN CN 201010174750 patent/CN101867393B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471008Y (en) * | 2001-03-26 | 2002-01-09 | 熊小军 | Electric carrier network domestic electric appliance |
| JP2008066828A (en) * | 2006-09-05 | 2008-03-21 | Toshiba Lighting & Technology Corp | Power line carrier transmission device, power line carrier reception device, and power line carrier communication device |
| CN101345487A (en) * | 2008-05-21 | 2009-01-14 | 英飞特电子（杭州）有限公司 | Primary sampling current controlled synchronous commutation driving circuit |
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