CN204031171U - A kind of power wire broadband carrier communication module - Google Patents
A kind of power wire broadband carrier communication module Download PDFInfo
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- CN204031171U CN204031171U CN201420408637.XU CN201420408637U CN204031171U CN 204031171 U CN204031171 U CN 204031171U CN 201420408637 U CN201420408637 U CN 201420408637U CN 204031171 U CN204031171 U CN 204031171U
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Abstract
The utility model relates to a kind of power wire broadband carrier communication module, comprise Digital Modulation demodulating unit, transmitting element, receiving element, power line couples unit, serial communication interface and Ethernet MII interface, described Digital Modulation demodulating unit connects transmitting element and receiving element, and transmitting element is connected with power line couples unit with receiving element; Described Digital Modulation demodulating unit is also connected with serial communication interface and Ethernet MII interface.The signal that Digital Modulation demodulating unit realizes between serial communication interface, Ethernet MII interface and transmitting element, receiving element is changed, and power line couples unit is used for transmitting element, handshaking between receiving element and power line.The utility model is owing to adopting wideband digital modulation-demodulation technique, can on power line high-speed transfer digital signal, wherein power line couples unit supports multiple coupled modes, and has serial communication interface and Ethernet MII interface, supports that multiple digital signal connects.
Description
Technical field
The utility model relates to the equipment utilizing power circuit to carry out digital network communication, more particularly, relates to a kind of power wire broadband carrier communication module.
Background technology
Power line carrier communication has various ways, is divided into narrowband carrier communication to communicate with bandwidth carrier, and has been widely used in carrier meter reading field by available communication bandwidth.Narrowband carrier communication uses analog-modulated, simple digital modulation or spread spectrum, and signal spectrum is narrow, but poor anti jamming capability, and transmission speed is low.Bandwidth carrier uses digitized multi-carrier frequency multiplexing technique, wider carrier frequency band is divided into multiple subcarrier, loads mutually orthogonal high frequency carrier respectively and modulate data, realize multicarrier parallel communications.Power line carrier market there is some carrier telecommunications adopting digitized multi-carrier frequency multiplexing technique, but generally only there is direct insertion power line couples mode and single Ethernet interface, and be not suitable for the field practice application of carrier meter reading.
Summary of the invention
1, object of the present invention.
The technical problems to be solved in the utility model is, for the deficiency of prior art and product, provides a kind of and adopts digitized multi-carrier frequency multiplexing technique, and have the power wire broadband carrier communication module of multiple power line couples mode and data communication interface.
2, the technical solution adopted in the present invention.
Power wire broadband carrier communication module of the present utility model, comprise Digital Modulation demodulating unit, transmitting element, receiving element, power line couples unit, Digital Modulation demodulating unit is connected with receiving element with transmitting element, transmitting element is connected with power coupling unit with receiving element, when sending signal, Digital Modulation demodulating unit utilizes transmitting element to amplify after communication data is modulated to Multi-channel high-frequency signal, and is loaded into power line by power line couples unit; During Received signal strength, by the high-frequency carrier signal that other power wire broadband carrier communication modules be carried on power line send, being input to receiving element by power line couples unit, then entering modem module, is communication data by Multi-channel high-frequency signal receiving.
The signal that Digital Modulation demodulating unit realizes between serial communication interface, Ethernet MII interface and transmitting element, receiving element is changed, and power line couples unit is used for transmitting element, handshaking between receiving element and power line.
Further in specific embodiment, described power line couples unit comprises power line interface, protective circuit, high pass filter, amplitude limiter circuit, signal transformer, transmitting element interface and receiving element interface, wherein transmitting element interface is connected with transmitting element, and receiving element interface is connected with receiving element; Power line interface receives after signal successively by protective circuit, high pass filter and amplitude limiter circuit; protective circuit and amplitude limiter circuit filtering external overvoltage signal; high pass filter is to the obstruct of power line 50Hz signal and broadband carrier signal can two-wayly be passed through; amplitude limiter circuit is connected with signal transformer, and signal transformer and transmitting element interface are connected with receiving element interface and carry out the transmitting-receiving of signal.
Further in specific embodiment, power line couples unit has the function of protection and filtering, and its power line interface can support the multiple coupled modes such as straight cutting, capacitive coupling, inductance coupling high.
Further in specific embodiment, also comprise serial communication interface and External digital communication.
Further in specific embodiment, also comprise Ethernet MII(Media Independent Interface, Media Independent Interface) interface and External digital communication.
Described serial communication interface can realize External digital communication with Ethernet MII interface and be connected, and both, at interface and functionally separate, can use as required individually or simultaneously.
3, beneficial effect of the present invention.
(1) carry out wideband digital modulation-demodulation technique by Digital Modulation demodulating unit, can on power line high-speed transfer digital signal, be convenient to collection signal data and processing signals data;
(2) realized the function of protection and filtering by power line couples unit, its power line interface can support the multiple coupled modes such as straight cutting, capacitive coupling, inductance coupling high.
(3) by serial communication interface and Ethernet MII interface, can support that multiple digital signal connects.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of power wire broadband carrier communication module embodiments of the utility model;
Fig. 2 is the power line couples unit composition schematic diagram of a kind of power wire broadband carrier communication module embodiments of the utility model.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Embodiment
As shown in Figure 1, in a kind of power wire broadband carrier communication module embodiments of the utility model, this power wire broadband carrier communication module comprises Digital Modulation demodulating unit 1, transmitting element 2, receiving element 3, power line couples unit 4, serial communication interface 5 and Ethernet MII interface 6.
The signal that Digital Modulation demodulating unit 1 realizes between serial communication interface 5, Ethernet MII interface 6 and transmitting element 2, receiving element 3 is changed, and power line couples unit 4 is for transmitting element 2, handshaking between receiving element 3 and power line.
In power wire broadband carrier communication module described in the utility model, described serial communication interface 5 can realize External digital communication with Ethernet MII interface 6 and be connected, and both, at interface and functionally separate, can use as required individually or simultaneously.
As shown in Figure 2; in a kind of power wire broadband carrier communication module embodiments of the utility model, power line couples unit 4 comprises power line interface 41, protective circuit 42, high pass filter 43, amplitude limiter circuit 44, signal transformer 45, transmitting element interface 46 and receiving element interface 47.
Power line couples unit 4 utilizes protective circuit 42 and amplitude limiter circuit 43 to stop entering of outside overvoltage signal; high pass filter 43 realizes the obstruct of power line 50Hz signal and broadband carrier signal can two-wayly be passed through; signal transformer 45, by transmitting element interface 46 and receiving element interface 47 receiving and transmitting signal, achieves the complete physical isolation of power line and communication module inside.
In power wire broadband carrier communication module described in the utility model, power line couples unit 4 has the function of protection and filtering, and its power line interface can support the multiple coupled modes such as straight cutting, capacitive coupling, inductance coupling high.
The communication of power wire broadband carrier communication module comprises signal and sends and Signal reception two processes, is respectively described below.
The signal of power wire broadband carrier communication module communication sends: communication data directly connects serial communication interface 5 by computer or equipment with serial communication, and/or be connected with the Ethernet MII interface 6 of module after connecting ethernet physical layer chip with the form of Ethernet, communication data is modulated to Multi-channel high-frequency signal by Digital Modulation demodulating unit 1, transmitting element 2 is utilized to amplify, and be loaded into power line by power line couples unit 4, enable other power wire broadband carrier communication modules be connected on power line receive signal.
The Signal reception of power wire broadband carrier communication module communication: when power line being loaded with the high-frequency carrier signal of other power wire broadband carrier communication modules transmission, receiving element 3 is input to by power line couples unit 4, enter modem module 1, be communication data by Multi-channel high-frequency signal receiving, deliver to Ethernet by serial communication interface 5 and/or Ethernet MII interface, be sent to computer or equipment.
Claims (5)
1. a power wire broadband carrier communication module, it is characterized in that: comprise Digital Modulation demodulating unit, transmitting element, receiving element, power line couples unit, Digital Modulation demodulating unit is connected with receiving element with transmitting element, transmitting element is connected with power coupling unit with receiving element, it is characterized in that: when sending signal, Digital Modulation demodulating unit utilizes transmitting element to amplify after communication data is modulated to Multi-channel high-frequency signal, and is loaded into power line by power line couples unit; During Received signal strength, by the high-frequency carrier signal that other power wire broadband carrier communication modules be carried on power line send, being input to receiving element by power line couples unit, then entering modem module, is communication data by Multi-channel high-frequency signal receiving.
2. power wire broadband carrier communication module according to claim 1, it is characterized in that: described power line couples unit comprises power line interface, protective circuit, high pass filter, amplitude limiter circuit, signal transformer, transmitting element interface and receiving element interface, wherein transmitting element interface is connected with transmitting element, and receiving element interface is connected with receiving element; Power line interface receives after signal successively by protective circuit, high pass filter and amplitude limiter circuit; protective circuit and amplitude limiter circuit filtering external overvoltage signal; high pass filter is to the obstruct of power line 50Hz signal and broadband carrier signal can two-wayly be passed through; amplitude limiter circuit is connected with signal transformer, and signal transformer and transmitting element interface are connected with receiving element interface and carry out the transmitting-receiving of signal.
3. power wire broadband carrier communication module according to claim 2, is characterized in that: described power line interface supports straight cutting, capacitive coupling, inductance coupling high mode.
4. power wire broadband carrier communication module according to claim 1, is characterized in that: also comprise serial communication interface and External digital communication.
5. the power wire broadband carrier communication module according to claim 1 or 4, is characterized in that: also comprise Ethernet MII interface and External digital communication.
Priority Applications (1)
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CN201420408637.XU CN204031171U (en) | 2014-07-24 | 2014-07-24 | A kind of power wire broadband carrier communication module |
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CN201420408637.XU CN204031171U (en) | 2014-07-24 | 2014-07-24 | A kind of power wire broadband carrier communication module |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105389968A (en) * | 2015-12-21 | 2016-03-09 | 南京新联电子股份有限公司 | Electric line broadband carrier communication module for low voltage centralization meter reading terminal |
CN107104704A (en) * | 2017-06-12 | 2017-08-29 | 杭州快越科技有限公司 | A kind of electric power network element |
CN107274655A (en) * | 2017-07-25 | 2017-10-20 | 南京新联电子股份有限公司 | A kind of narrowband carrier communication module for power network channel monitoring |
CN109525286A (en) * | 2018-12-27 | 2019-03-26 | 北京航天飞腾装备技术有限责任公司 | Single machine interacted system on bullet |
CN110958121A (en) * | 2019-11-29 | 2020-04-03 | 安徽江淮汽车集团股份有限公司 | Communication interface circuit and host |
CN112204893A (en) * | 2018-04-04 | 2021-01-08 | 赛峰航空技术公司 | Data transmission system |
CN112367100A (en) * | 2020-09-30 | 2021-02-12 | 北京机电工程研究所 | Power line carrier communication control circuit based on Ethernet and serial interface |
CN113517909A (en) * | 2021-04-30 | 2021-10-19 | 上海虑信电力科技有限公司 | Multi-carrier intelligent cooperative data exchange transmission device |
-
2014
- 2014-07-24 CN CN201420408637.XU patent/CN204031171U/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105389968A (en) * | 2015-12-21 | 2016-03-09 | 南京新联电子股份有限公司 | Electric line broadband carrier communication module for low voltage centralization meter reading terminal |
CN107104704A (en) * | 2017-06-12 | 2017-08-29 | 杭州快越科技有限公司 | A kind of electric power network element |
CN107104704B (en) * | 2017-06-12 | 2023-07-14 | 杭州快越科技有限公司 | Electric power network element |
CN107274655A (en) * | 2017-07-25 | 2017-10-20 | 南京新联电子股份有限公司 | A kind of narrowband carrier communication module for power network channel monitoring |
CN112204893B (en) * | 2018-04-04 | 2023-03-24 | 赛峰航空技术公司 | Data transmission system |
CN112204893A (en) * | 2018-04-04 | 2021-01-08 | 赛峰航空技术公司 | Data transmission system |
CN109525286A (en) * | 2018-12-27 | 2019-03-26 | 北京航天飞腾装备技术有限责任公司 | Single machine interacted system on bullet |
CN109525286B (en) * | 2018-12-27 | 2021-08-17 | 北京航天飞腾装备技术有限责任公司 | On-missile single-machine interconnection system |
CN110958121A (en) * | 2019-11-29 | 2020-04-03 | 安徽江淮汽车集团股份有限公司 | Communication interface circuit and host |
CN110958121B (en) * | 2019-11-29 | 2021-07-20 | 安徽江淮汽车集团股份有限公司 | Communication interface circuit and host |
CN112367100A (en) * | 2020-09-30 | 2021-02-12 | 北京机电工程研究所 | Power line carrier communication control circuit based on Ethernet and serial interface |
CN112367100B (en) * | 2020-09-30 | 2022-01-04 | 北京机电工程研究所 | Power line carrier communication control circuit based on Ethernet and serial interface |
CN113517909B (en) * | 2021-04-30 | 2022-10-14 | 上海虑信电力科技有限公司 | Multi-carrier intelligent cooperative data exchange transmission device |
CN113517909A (en) * | 2021-04-30 | 2021-10-19 | 上海虑信电力科技有限公司 | Multi-carrier intelligent cooperative data exchange transmission device |
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