CN106301470A - 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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- CN106301470A CN106301470A CN201510256506.3A CN201510256506A CN106301470A CN 106301470 A CN106301470 A CN 106301470A CN 201510256506 A CN201510256506 A CN 201510256506A CN 106301470 A CN106301470 A CN 106301470A
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- carrier
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- carrier wave
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- communication module
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Abstract
The invention discloses a kind of power wire broadband carrier communication module, receive circuit (12), carrier wave transtation mission circuit (13), carrier signal coupling circuit (14), power line interface (15) and serial communication interface (16) including carrier Control circuit (10), carrier wave analog front circuit (11), carrier wave.Carrier wave analog front circuit and carrier Control circuit are separated by power wire broadband carrier communication module of the present invention, easily realize single-point grounding, signal is farthest avoided to interfere, therefore, operating frequency high (capacity of resisting disturbance is strong), carry roomy (long transmission distance), low in energy consumption, and can realize checking meter parallel, meter reading efficiency is greatly improved.
Description
Technical field
The present invention relates to power-line carrier communication field, particularly relate to a kind of power wire broadband carrier and lead to
Letter module.
Background technology
Power line carrier communication is the communication of power system of the transmission medium with transmission line of electricity as carrier signal,
Power line carrier communication is divided into narrowband carrier communication to communicate with bandwidth carrier by available communication bandwidth, and
It is widely used to carrier meter reading field.
Narrowband carrier communication belongs to single-carrier technology, single carrier narrowband modulation technology mainly include FSK,
BPSK, frequency hopping, DSSS etc..The greatest drawback of single carrier narrowband modulation technology is for time-varying
Frequency selective fading and interference do not possess adaptive ability, thus present the biggest on communication reliability
Limitation.Bandwidth carrier communication belongs to multi-carrier modulation technology, and modulation system is OFDM.Due to overloading
Data message is modulated on multiple carrier wave by ripple modulation technique, when certain frequency deep fading or disturbed time,
Other frequencies may still be under preferable transmission conditions, thereby through encoding complete data letter after error correction
Breath still can be correctly received, it is achieved multicarrier parallel communications.OFDM multi-carrier modulation technology is because of it
Outstanding anti-narrow-band noise performance, and the great potential possessed in high bandwidth is being provided.
Power line carrier market has occurred that some use the electric lines of force of digitized multi-carrier frequency multiplexing technique
Carrier communication equipment, existing Power Line Carrier Communication Module anti-clutter interference performance is poor, due to power transmission line
The signal attenuation on road and the interference of clutter, cause the most most of power line carrier communication apart from closer.
Summary of the invention
Present invention is primarily targeted at, transmission poor for anti-clutter interference performance in above-mentioned prior art
Apart from short deficiency, it is provided that a kind of power wire broadband carrier communication module.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of power wire broadband carrier
Communication module, the carrier wave analog front circuit including carrier Control circuit, being connected with carrier Control circuit,
Be connected carrier wave reception circuit and the carrier wave mould for receiving first carrier signal with carrier wave analog front circuit
Intend front-end circuit be connected for send the carrier wave transtation mission circuit of the second carrier signal and carrier wave receive circuit and
The connected carrier signal coupling circuit coupling signal of carrier wave transtation mission circuit couples electricity with carrier signal
Power line interface that road and electric lines of force are connected, be connected with carrier Control circuit for and ammeter communicate
Serial communication interface.
Preferably, power wire broadband carrier communication module also includes and carrier Control circuit and power line interface
Be connected the zero cross detection circuit for detecting electric lines of force zero crossing.
Preferably, carrier signal coupling circuit include signal transformer, amplitude limiter circuit, high pass filter,
Protection circuit.
Preferably, power wire broadband carrier communication module also includes being connected for storing with carrier Control circuit
The memorizer of data.
Technique scheme has the advantage that or beneficial effect: power wire broadband carrier communication of the present invention
Carrier wave analog front circuit and carrier Control circuit are separated by module, easily realize single-point grounding, maximum journey
The signal of avoiding of degree interferes, and therefore, operating frequency high (capacity of resisting disturbance is strong), carries roomy (transmission
Distance is remote), low in energy consumption, and can realize checking meter parallel, meter reading efficiency is greatly improved.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it is therefore apparent that the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to obtain other accompanying drawing according to these accompanying drawings, in accompanying drawing:
Fig. 1 is the structural representation of power wire broadband carrier communication module first embodiment of the present invention；
Fig. 2 is the structural representation of power wire broadband carrier communication module the second embodiment of the present invention；
Fig. 3 is the structural representation of the carrier signal coupling circuit of power wire broadband carrier communication module of the present invention
Figure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, will be described below
Various embodiments will be with reference to corresponding accompanying drawing, and these accompanying drawings constitute a part for embodiment, wherein retouch
State and realized the various embodiments that the present invention may use.It should be appreciated that it be also possible to use other embodiment,
Or the embodiment enumerated herein is carried out amendment structurally and functionally, without departing from the model of the present invention
Enclose and essence.
One embodiment of power wire broadband carrier communication module of the present invention, as it is shown in figure 1, include carrier wave
Control circuit 10, the carrier wave analog front circuit 11 being connected with carrier Control circuit 10 and carrier wave simulation
Front-end circuit 11 is connected and receives circuit 12 and carrier wave AFE (analog front end) for receiving the carrier wave of first carrier signal
Circuit 11 is connected and receives circuit 12 for the carrier wave transtation mission circuit 13 and carrier wave sending the second carrier signal
Be connected the carrier signal coupling circuit 14 and carrier signal coupling signal with carrier wave transtation mission circuit 13
Coupling circuit 14 and electric lines of force be connected power line interface 15, be connected with carrier Control circuit 10 for and
The serial communication interface 16 that ammeter communicates.
Concrete, carrier signal coupling circuit 14 receives from the load electric lines of force from power line interface 15
Ripple signal also obtains first carrier signal after coupling, and the transmission of this first carrier signal connect to carrier wave
Receive circuit 12, after being then simulated signal processing by carrier wave analog front circuit 11, be transferred to carrier wave control
Circuit 10 processed, carrier Control circuit 10 is sent to electricity by serial communication interface 17 after being modulated demodulation
Table, and then performed to order and obtain corresponding result and data accordingly by ammeter.Ammeter will perform result
It is sent to carrier wave after being sent to carrier Control circuit 10 modulation /demodulation with data by serial communication interface 16
Analog front circuit 11 is simulated the process of signal and obtains the second carrier signal, and sends electricity by carrier wave
Road 13 is sent to carrier signal coupling circuit 14, by power line interface 15 transmission to electricity after overcoupling
In the line of force.
Carrier wave analog front circuit and carrier Control circuit are divided by power wire broadband carrier communication module of the present invention
Opening, easily realize single-point grounding, farthest avoid signal to interfere, therefore, operating frequency is high
(capacity of resisting disturbance is strong), carry roomy (long transmission distance), low in energy consumption, and can realize checking meter parallel,
Meter reading efficiency is greatly improved.
Another embodiment of power wire broadband carrier communication module of the present invention, as in figure 2 it is shown, include carrying
Ripple control circuit 10, the carrier wave analog front circuit 11 being connected with carrier Control circuit 10 and carrier wave mould
Intend front-end circuit 11 to be connected before the carrier wave receiving first carrier signal receives circuit 12 and carrier wave is simulated
Terminal circuit 11 is connected and receives circuit for the carrier wave transtation mission circuit 13 and carrier wave sending the second carrier signal
Carrier signal coupling circuit 14 that 12 are connected with carrier wave transtation mission circuit 13 couples signal and carrier wave
The power line interface 15 that signal coupling circuit 14 and electric lines of force are connected is used in conjunction with carrier Control circuit 10 phase
In the serial communication interface 16 communicated with ammeter and carrier Control circuit 10 and power line interface 15
Be connected for the zero cross detection circuit 17 detecting electric lines of force zero crossing, being connected with carrier Control circuit 10 is used for
The memorizer 18 of storage data.
Concrete, zero cross detection circuit 17 is for gathering the zero cross signal of 50Hz electric lines of force, thus synchronizes
The transmission of carrier signal and reception.Zero cross detection circuit 17 detects the electric lines of force time at zero crossing exactly
Send level signal, use the mode of light-coupled isolation, carrier Control circuit 10 is isolated with electric lines of force, anti-
Only the various interference on electric lines of force are to the interference within carrier Control circuit 10, improve carrier Control circuit
Stability and reliability.
In the present embodiment, when zero cross detection circuit 17 detects zero cross signal, transmission level signal is given
Carrier Control circuit 10, thus, carrier signal coupling circuit 14 receives from electricity from power line interface 15
Carrier signal in the line of force also obtains first carrier signal after coupling, and passed by this first carrier signal
Transport to carrier wave and receive circuit 12, pass after being then simulated signal processing by carrier wave analog front circuit 11
Being defeated by carrier Control circuit 10, carrier Control circuit 10 passes through serial communication interface after being modulated demodulation
16 are sent to ammeter, and then are performed to order and obtain corresponding result and data accordingly by ammeter.Ammeter
After execution result and data are sent to carrier Control circuit 10 modulation /demodulation by serial communication interface 16
It is sent to carrier wave analog front circuit 11 be simulated the process of signal and obtain the second carrier signal, and passes through
Carrier wave transtation mission circuit 13 is sent to carrier signal coupling circuit 14, passes through power line interface after overcoupling
15 transmit to electric lines of force.
More specifically, the carrier signal coupling circuit 14 in embodiment 1 and 2, specifically include signal and become
Depressor 141, amplitude limiter circuit 142, high pass filter 143 and protection circuit 144.
Carrier signal coupling circuit 14 utilizes protection circuit 144 to stop the entrance of outside overvoltage signal, high pass
Wave filter 143 realizes the obstruct to electric lines of force 50Hz signal and makes broadband carrier signal two-way to pass through,
Signal transformer 141 receives circuit 12 receiving and transmitting signal by carrier wave transtation mission circuit 13 and carrier wave, it is achieved that
Complete physical isolation within electric lines of force and communication module.In power wire broadband carrier communication module of the present invention
In, electric lines of force coupling unit 14 have protection and filtering function, can support straight cutting, Capacitance Coupled,
The multiple coupled modes such as inductive.
Carrier wave analog front circuit and carrier Control circuit are divided by power wire broadband carrier communication module of the present invention
Opening, easily realize single-point grounding, farthest avoid signal to interfere, therefore, operating frequency is high
(capacity of resisting disturbance is strong), carry roomy (long transmission distance), low in energy consumption, and can realize checking meter parallel,
Meter reading efficiency is greatly improved.
The foregoing is only presently preferred embodiments of the present invention, those skilled in the art know, are not taking off
In the case of the spirit and scope of the present invention, these features and embodiment can be carried out various change or
Equivalent.It addition, under the teachings of the present invention, these features and embodiment can be modified with
Adapt to particular situation and material without departing from the spirit and scope of the present invention.Therefore, the present invention is not subject to
The restriction of specific embodiment disclosed herein, the enforcement in the range of fallen with claims hereof
Example broadly falls into protection scope of the present invention.
Claims (4)
1. a power wire broadband carrier communication module, it is characterised in that include carrier Control circuit (10),
The carrier wave analog front circuit (11) being connected with described carrier Control circuit (10) and the simulation of described carrier wave
Front-end circuit (11) is connected for receiving carrier wave reception circuit (12) of first carrier signal and described load
Wave simulation front-end circuit (11) be connected for send the second carrier signal carrier wave transtation mission circuit (13) and
Described carrier wave receives circuit (12) and is connected with carrier wave transtation mission circuit (13) carrier wave coupling signal
The electric lines of force that signal coupling circuit (14) is connected with described carrier signal coupling circuit (14) and electric lines of force
Interface (15) be connected with described carrier Control circuit (10) for and the serial communication that communicates of ammeter
Interface (16).
Power wire broadband carrier communication module the most according to claim 1, it is characterised in that also wrap
Include and be connected for detecting electric lines of force zero passage with described carrier Control circuit (10) and power line interface (15)
The zero cross detection circuit (17) of point.
Power wire broadband carrier communication module the most according to claim 2, it is characterised in that described
Carrier signal coupling circuit (14) includes that signal transformer (141), amplitude limiter circuit (142), high pass are filtered
Ripple device (143), protection circuit (144).
Power wire broadband carrier communication module the most according to claim 1, it is characterised in that also wrap
Include and be connected for the memorizer (18) storing data with described carrier Control circuit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256506.3A CN106301470A (en) | 2015-05-19 | 2015-05-19 | A kind of power wire broadband carrier communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256506.3A CN106301470A (en) | 2015-05-19 | 2015-05-19 | A kind of power wire broadband carrier communication module |
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| CN106301470A true CN106301470A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510256506.3A Pending CN106301470A (en) | 2015-05-19 | 2015-05-19 | A kind of power wire broadband carrier communication module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517148A (en) * | 2017-10-12 | 2017-12-26 | 深圳零智创新科技有限公司 | Broadband power line and CAN converter |
| CN107645318A (en) * | 2017-10-12 | 2018-01-30 | 深圳零智创新科技有限公司 | Arrowband power line and CAN converter |
| CN107733466A (en) * | 2017-10-09 | 2018-02-23 | 北京智芯微电子科技有限公司 | Signal source device based on broadband power line carrier communication test |
| CN107911145A (en) * | 2017-10-24 | 2018-04-13 | 湖北鑫英泰系统技术股份有限公司 | A kind for the treatment of method and apparatus of intelligent electric meter and its bandwidth carrier communication |
| CN109118745A (en) * | 2018-07-12 | 2019-01-01 | 国网江西省电力有限公司电力科学研究院 | A kind of industrial control information transmission system |
| CN109756268A (en) * | 2017-11-08 | 2019-05-14 | 天津职业技术师范大学 | A kind of indoor high-speed visible light communication system based on OFDM |
-
2015
- 2015-05-19 CN CN201510256506.3A patent/CN106301470A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733466A (en) * | 2017-10-09 | 2018-02-23 | 北京智芯微电子科技有限公司 | Signal source device based on broadband power line carrier communication test |
| CN107733466B (en) * | 2017-10-09 | 2021-03-12 | 北京智芯微电子科技有限公司 | Signal source device based on broadband power line carrier communication test |
| CN107517148A (en) * | 2017-10-12 | 2017-12-26 | 深圳零智创新科技有限公司 | Broadband power line and CAN converter |
| CN107645318A (en) * | 2017-10-12 | 2018-01-30 | 深圳零智创新科技有限公司 | Arrowband power line and CAN converter |
| CN107911145A (en) * | 2017-10-24 | 2018-04-13 | 湖北鑫英泰系统技术股份有限公司 | A kind for the treatment of method and apparatus of intelligent electric meter and its bandwidth carrier communication |
| CN109756268A (en) * | 2017-11-08 | 2019-05-14 | 天津职业技术师范大学 | A kind of indoor high-speed visible light communication system based on OFDM |
| CN109118745A (en) * | 2018-07-12 | 2019-01-01 | 国网江西省电力有限公司电力科学研究院 | A kind of industrial control information transmission system |
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| C06 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |