CN205693670U - A kind of communicator in single-phase electricity line of force communication system - Google Patents
A kind of communicator in single-phase electricity line of force communication system Download PDFInfo
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- CN205693670U CN205693670U CN201620580054.4U CN201620580054U CN205693670U CN 205693670 U CN205693670 U CN 205693670U CN 201620580054 U CN201620580054 U CN 201620580054U CN 205693670 U CN205693670 U CN 205693670U
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- data processing
- circuit
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- processing control
- carrier wave
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Abstract
The utility model discloses the communicator in a kind of single-phase electricity line of force communication system, receive circuit, carrier wave transtation mission circuit, data processing control units, power module, external serial communication module and crystal oscillating circuit including carrier wave coupling circuit, carrier wave；Wherein, crystal oscillating circuit produces concussion clock, for data processing control units as the time base of system.This utility model achieves when not having electricity on electric lines of force, also can carry out carrier communication.
Description
Technical field
This utility model relates to electric line communication system field, and be specifically related in a kind of single-phase electricity line of force communication system is logical
T unit.
Background technology
Along with developing rapidly of computer technology, popularizing of the domestic and international power-line carrier communication of simultaneous, profit
The overall situation communicated with electric lines of force is the most ripe.Power circuit spreads all over electricity consumption everywhere, utilizes existing power network conduct
Information transmitting medium, then without rewiring, can save substantial amounts of material resources manpower.
Current Monophase electric power wire carrier wave communication device, is coupled circuit, carrier wave reception circuit, carrier wave transmission electricity by carrier wave
The module compositions such as road, data processing control units, power module, external serial communication module, zero cross detection circuit group.Wherein cross
Zero testing circuit detection zero crossing, and utilize zero crossing as main and subordinate node communicate natural time base.This kind of communicator can only
Use in the case of industrial-frequency alternating current is normal, when electric lines of force does not has electricity, carrier communication cannot be carried out.
Utility model content
The purpose of this utility model is to solve the problems of the prior art, it is provided that in a kind of single-phase electricity line of force communication system
Communicator, with realize on electric lines of force, do not have electricity time, also can carry out carrier communication.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
Including carrier wave coupling circuit, carrier wave receive circuit, carrier wave transtation mission circuit, data processing control units, power module,
External serial communication circuit, crystal oscillating circuit；Described carrier wave receives circuit input end and connects carrier wave coupling circuit, outfan
Connect data processing control units；Described carrier wave transtation mission circuit outfan connects carrier wave coupling circuit, and input connects data
Processing and control element (PCE)；Described power module outlet connects data processing control units power end, for data processing and control list
Unit and be connected to the circuit module of data processing control units and be powered；At described external serial communication circuit and data
Reason control unit connects, and carries out the interface of serial communication for data processing control units offer and external equipment；Described crystal
Oscillating circuit is connected with data processing control units, provides system time-base for data processing control units.
Described crystal oscillating circuit includes crystal oscillator, resistance, the first electric capacity, the second electric capacity；Described crystal oscillator is with resistance also
Connection, termination data processing control units and first electric capacity, another termination data processing control units and second electric capacity；First electricity
Hold the other end, the second electric capacity other end and shell of crystal oscillator ground connection.
Technical scheme described in the utility model provides the benefit that relative to prior art, acquirement:
The crystal oscillating circuit increased within a communication device produces concussion clock, and supply data processing control units is as being
The time base of system, thus allow data processing control units be achieved the communication mode of time slot spread spectrum.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is this novel circuit module logic schematic diagram；
Fig. 2 is crystal oscillating circuit figure.
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, clear, with
Under in conjunction with the accompanying drawings and embodiments, this utility model is further elaborated.Should be appreciated that concrete reality described herein
Execute example only in order to explain this utility model, be not used to limit this utility model.
As it is shown in figure 1, the communicator in a kind of single-phase electricity line of force communication system described in the utility model, including:
Including carrier wave coupling circuit, carrier wave receive circuit, carrier wave transtation mission circuit, data processing control units, power module,
External serial communication circuit, crystal oscillating circuit, zero cross detection circuit, reset circuit, data send indicating circuit, data receiver
Indicating circuit.
Described carrier wave coupling circuit on one side is connected with electric lines of force, and the other end connects carrier wave and receives circuit and carrier wave transmission electricity
Road；The major function of carrier wave coupling circuit is: when carrier wave reception processes, the single-phase electricity line of force is carried out high-pass filtering, filters work
Frequency obtains high-frequency signal, and is coupled by single-phase high-frequency signal, then sends carrier wave reception circuit to；Process in carrier wave transmission
Time, carrier signal is sent in the single-phase electricity line of force by coupling coil.
Described carrier wave receives circuit input end and connects carrier wave coupling circuit, and outfan connects data processing control units；
It is that the high-frequency coupling signal received is carried out high-pass filtering process that carrier wave receives the major function of circuit, the load after high-pass filtering
Ripple signal and a fixed frequency are mixed, and after mixed frequency signal is the most after filtering, frequency discrimination etc. processes, will comprise original number and it is believed that
The carrier signal of breath is converted into the low and high level signal of 0 or 1 and is sent to data processing control units.
Described carrier wave transtation mission circuit outfan connects carrier wave coupling circuit, and input connects data processing control units；
The major function of carrier wave transtation mission circuit is that the carrier signal transmitting data processing control units carries out signal power amplification, and will
Carrier signal after amplification is sent to carrier wave coupling circuit.
Described data processing control units major function has: receives carrier wave and receives the carrier signal on circuit and carry out phase
The process answered；Generate carrier signal and be sent to carrier wave transtation mission circuit；Receive zero cross signal to process accordingly；Determine current
Data transmit-receive send state and controls indicating circuit；Arrange with outside and carry out serial communication and carry out corresponding process；Receiving crystal
The signal of oscillating circuit also processes.
Described power module outlet connects data processing control units power end；Major function is to process control for data
Unit processed and be connected to the circuit module of data processing control units and be powered.
Described external serial communication circuit is connected with data processing control units；Major function is for data processing and control
Unit provides and carries out serial communication offer interface with external equipment.
Described crystal oscillating circuit is connected with data processing control units；Major function is to produce concussion clock, for number
System time-base is provided according to processing and control element (PCE).
Described zero cross detection circuit one end is connected with data processing control units, and the other end connects electric lines of force；Main merit
Can be certain phase voltage whether zero passage of detection electric lines of force, and send testing result to data processing control units.
Described reset circuit is connected with data processing control units；Major function is to power on data processing control units
Reset.
Described data send indicating circuit input and are connected with data processing control units；Major function is indicated number evidence
Transmission state, i.e. when data processing control units is under data transmission state, controls data transmission indicating circuit and lights, refer to
Show that being in data sends state.
Described data receiver indicating circuit input is connected with data processing control units；Major function is indicated number evidence
Reception state, i.e. when data processing control units is under data receiving state, controls data receiver indicating circuit and lights, refer to
Show and be in data receiving state.
As in figure 2 it is shown, crystal oscillating circuit includes crystal oscillator X1, resistance R40, the first electric capacity C30, the second electric capacity C35.Described
Crystal oscillator X1 in parallel with resistance R40, a termination data processing control units and the first electric capacity C30, another terminating data processes control
Unit processed and the second electric capacity C35；The other end of the first electric capacity C30, the other end of the second electric capacity C35 connect with the shell of crystal oscillator X1
Ground.
When industrial-frequency alternating current normal transmission on electric lines of force, zero cross detection circuit detection zero crossing, data processing and control list
Unit utilizes zero crossing, carries out transmission process or the reception process of carrier wave of carrier wave by half and half cycle that was about scheduled on.
When on electric lines of force, industrial-frequency alternating current is abnormal or do not has electricity on electric lines of force, data processing control units utilizes crystal to shake
Swing concussion clock that circuit produces base when setting up, it is achieved time slot spreads.The concrete grammar of time slot spread spectrum is:
1, main and subordinate node both sides must have synchronous head before setting up communication, after i.e. host node sends synchronous code, examines from node
Measure synchronization harbour, i.e. think that host node sends communication request；
2, immediately following a time slot definition byte, this byte definition information such as slot cycle and duration after synchronous head；
3, host node with from node i.e. by the transmitting-receiving of the slot cycle appointed timely progress row data.
Thus, the communicator in this utility model single-phase electricity line of force communication system realizes being achieved by time slot spread spectrum
Carrier communication is carried out during unregulated power transmission on electric lines of force.
Claims (2)
1. the communicator in single-phase electricity line of force communication system, including carrier wave coupling circuit, carrier wave receives circuit, carrier wave is sent out
Power transmission road, data processing control units, power module, external serial communication circuit；
Described carrier wave receives circuit input end and connects carrier wave coupling circuit, and outfan connects data processing control units；
Described carrier wave transtation mission circuit outfan connects carrier wave coupling circuit, and input connects data processing control units；
Described power module outlet connects data processing control units power end, for data processing control units and connection
Circuit module to data processing control units is powered；
Described external serial communication circuit is connected with data processing control units, provides with outside for data processing control units
Equipment carries out the interface of serial communication；
It is characterized in that:
Also include that crystal oscillating circuit, described crystal oscillating circuit are connected with data processing control units, process control for data
Unit processed provides system time-base.
Communicator in a kind of single-phase electricity line of force communication system the most as claimed in claim 1, is characterized in that: described crystal shakes
Swing circuit and include crystal oscillator, resistance, the first electric capacity, the second electric capacity；Described crystal oscillator is in parallel with a resistor, a termination data processing and control
Unit and the first electric capacity, another termination data processing control units and second electric capacity；The first electric capacity other end, the second electric capacity another
End and shell of crystal oscillator ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580054.4U CN205693670U (en) | 2016-06-15 | 2016-06-15 | A kind of communicator in single-phase electricity line of force communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580054.4U CN205693670U (en) | 2016-06-15 | 2016-06-15 | A kind of communicator in single-phase electricity line of force communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693670U true CN205693670U (en) | 2016-11-16 |
Family
ID=57427844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580054.4U Active CN205693670U (en) | 2016-06-15 | 2016-06-15 | A kind of communicator in single-phase electricity line of force communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693670U (en) |
-
2016
- 2016-06-15 CN CN201620580054.4U patent/CN205693670U/en active Active
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