CN207099072U - One kind saves anti-interference power line carrier communication circuit - Google Patents
One kind saves anti-interference power line carrier communication circuit Download PDFInfo
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- CN207099072U CN207099072U CN201720852021.5U CN201720852021U CN207099072U CN 207099072 U CN207099072 U CN 207099072U CN 201720852021 U CN201720852021 U CN 201720852021U CN 207099072 U CN207099072 U CN 207099072U
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Abstract
The utility model discloses one kind to save anti-interference power line carrier communication circuit, including control module, carrier module, switch power module；Control module is connected with carrier module data, and carrier module is connected with power line data；Switch power module offer+12V power supplys ,+5V power supplys；+ 12V the power pins of carrier module are also connected with the power control pin of control module by+12V control circuit connection+12V power supplys ,+12V control circuits；+ 5V the power pins of carrier module are also connected with the power control pin of control module by+5V control circuit connection+5V power supplys ,+5V control circuits.Setting+12V control circuits ,+5V control circuits, carrier module is not at working condition when not sending also not reception signal, save power supply, avoid generating heat；The input of switch power module sets High frequency filter, and avoiding switch power module from inputting the high frequency magnetic field of civil power carrying influences carrier communication.
Description
Technical field
A kind of telecommunication circuit is the utility model is related to, anti-interference power line carrier communication electricity is saved more particularly, to one kind
Road.
Background technology
Current data are mainly transmitted by special cable for carrier, need to additionally increase the paving of communication line
If engineering construction bothers, cost is high.Power-line carrier communication, power supply and communication share two power lines, and utilization is existing
Power network, it just can very simply realize the transformation of home intelligence；Without additionally laying communication cable, install additional convenient, great
It is cost-effective.This technology is quite ripe, and has commercialized power line carrier communication.Power-line carrier communication is continuous to be obtained
To application, intelligent appliance control, safety defense monitoring system, Street Lamp Monitor System, low rate communication network system, the control of LED large-size screen monitors
System etc. all introduces power-line carrier communication.
However, in existing conventional electric power line carrier communication technology application, carrier module is constantly in working condition, for a long time
Use carrier module is generated heat, higher temperature influences component operating efficiency, can also reduce making for carrier module component
With the life-span, while waste the energy.On the other hand, the working power of carrier module includes+5V and+12V, and the two low-tension supplies are led to
Often supplied by civil power after switch power module transformation.However, switch power module can equally produce High-frequency Interference noise in itself,
Carrier module communication is influenceed, gently then reduces communication distance, serious causes transmitting-receiving error code, it is impossible to communicates.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of anti-interference power line carrier of energy-conservation
Telecommunication circuit, solves carrier module work free of discontinuities, power line carrier communication circuit is asked by switch power module High-frequency Interference
Topic.
The utility model is to solve the technical scheme that its technical problem uses to be：
One kind saves anti-interference power line carrier communication circuit, including control module, carrier module, switch power module；
The control module is connected with carrier module data, and the carrier module is connected with power line, the carrier module and power line
Between be connected with retarder；The switch power module provides dc source；+ 12V the power pins of the carrier module by+
12V control circuit connection+12V the power supplys ,+12V control circuits are also connected with the power control pin of control module；The carrier wave
+ 5V the power pins of module are also connected with the electricity of control module by+5V control circuit connection+5V the power supplys ,+5V control circuits
Source controlling switch.
Further, the control module includes single-chip microcomputer.
Further, the input of the switch power module is provided with High frequency filter.
Further, the dc source that the switch power module provides includes+12V power supplys, and+12V the power supplys pass through filter
Ripple electric capacity C1 connections earth polar.
Further, the dc source that the switch power module provides includes+5V power supplys, and+5V the power supplys pass through filtering
Electric capacity C2 connections earth polar.
Further ,+12V the control circuits include triode Q1 and FET Q3, the triode Q1 base stage connect
Connect the power control pin of control module, grounded emitter, colelctor electrode connection FET Q3 grid；The FET
Drain connection+12V power supplys, and source electrode connects the+12V power pins of carrier module.
Further ,+5V the control circuits include triode Q2 and FET Q4, the triode Q2 base stage connection
The power control pin of control module, grounded emitter, colelctor electrode connection FET Q4 grid；The leakage of the FET
Pole connection+5V power supplys, source electrode connect the+5V power pins of carrier module.
Further, the serial ports of the carrier module is Transistor-Transistor Logic level, and the serial ports connection of the carrier module and control module is adopted
Use interconnection.
Further, the carrier module is connected with transmission indicating circuit, and the indicating circuit that sends includes the protection of series connection
Resistance R7 and transmission indicator lamp D1, the series circuit are concatenated between+5V power supplys and the transmission pin of carrier module.
Further, the carrier module is connected with reception indicating circuit, and the indicating circuit that receives includes the protection of series connection
Resistance R8 and codan lamp D1, the series circuit are concatenated between+5V power supplys and the reception pin of carrier module.
One kind that the utility model uses saves anti-interference power line carrier communication circuit, has the advantages that：
1. setting+12V control circuits ,+5V control circuits, make carrier module be not at when not sending also not reception signal
Working condition, power supply is saved, reduce carrier module caloric value；
2. the input of switch power module sets High frequency filter, switch power module is avoided to input the height of civil power carrying
Frequency magnetic field influences carrier communication；
3.+12V the power supplys and+5V power supplys of switch power module output set filter circuit, High-frequency Interference is further filtered out
Deng clutter, ensure communication field environmental quality, while ensure the work of control module ,+12V control circuits ,+5V control circuits etc.
Make reliable and stable；
Indicating circuit and reception indicating circuit are sent 4. setting, the work of understanding present communications circuit that can be simple and clear
State, keeper can reasonable arrangement processing work.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model；
Fig. 2 is the circuit theory diagrams of the utility model switch power module.
Embodiment
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of anti-interference power line carrier communication circuit of energy-conservation of the present utility model, including control
Module 1, carrier module 2, switch power module 3；The control module 1 is connected with the data of carrier module 2, the carrier module 2
It is connected with power line, retarder is connected between the carrier module 2 and power line；The switch power module 3 provides direct current
Power supply；+ 12V the power pins of the carrier module 2 pass through+12V control circuit connection+12V power supplys the DC1 ,+12V controls
Circuit is also connected with the power control pin of control module 1；+ 5V the power pins of the carrier module 2 are connected by+5V control circuits
+ 5V power supplys DC2 is met ,+5V the control circuits are also connected with the power control pin of control module 1.
In the present embodiment, control module 1 is connected with the data of carrier module 2, and carrier module 2 passes through retarder etc. and electric power
Line connects.Control module 1 instructs carrier module 2, and carrier module 2 is realized corresponding signal according to instruction and transmitted to power line；
The reception signal of carrier module 2, control module 1 connect carrier module 2 and realize signal identification.
In the present embodiment ,+12V control circuits, the same power control pin of+5V control circuits link control module 1, carry
+ 12V the power pins of ripple module 2 pass through+12V control circuit connection+12V power supplys DC1；+ 5V the power pins of carrier module 2 are led to
Cross+5V control circuit connection+5V power supplys DC2.Control module 1 instructs the conducting of realization+12V control circuit ,+5V control circuits
Or cut-off ,+12V the control circuits ,+5V control circuits of conducting draw corresponding power input to the corresponding power supply of carrier module 2
Pin.
As shown in Fig. 2 the input of the switch power module 3 is provided with High frequency filter.So in the present embodiment, switch
The wherein power line concatenation High frequency filter inductance L1 of the input of power module 3, it is miscellaneous to filter out the high frequency carried in civil power power line
Ripple, such as common 100HZ、120HZHigh frequency spurs.
As shown in Fig. 2 the dc source that switch power module 3 provides passes through including+12V power supplys DC1 ,+12V power supply DC1
Filter capacitor C1 connections earth polar.The dc source that switch power module 3 provides passes through filter including+5V power supplys DC2 ,+5V power supply DC2
Ripple electric capacity C2 connections earth polar.
As shown in figure 1 ,+12V the control circuits include triode Q1 and FET Q3, the base stage of the triode Q1
The power control pin of link control module 1, grounded emitter, colelctor electrode connection FET Q3 grid；The field-effect
Drain electrode connection+12V power supply the DC1 of pipe, source electrode connect the+12V power pins of carrier module 2.+ 5V the control circuits include
Triode Q2 and FET Q4, the power control pin of the base stage link control module 1 of the triode Q2, emitter stage connect
Ground, colelctor electrode connection FET Q4 grid；Drain electrode connection+5V power supply the DC2 of the FET, source electrode connection carrier wave mould
+ 5V the power pins of block 2.
In the present embodiment, as shown in figure 1, triode Q1, triode Q2 are NPN type triode, when the power supply of control module 1
Controlling switch exports high level, i.e. triode Q1 base stage, triode Q2 base stage obtains high level, realize triode Q1 collection
The colelctor electrode drop-down of electrode, triode Q2 is the low level close to earth polar；So FET Q3 grid, FET Q4
Grid is low level, FET Q3 drain electrode and source conduction, FET Q4 drain electrode and source conduction；FET Q3
+ 12V power supplys the DC1 connect that drains is inputted to+12V the power pins of carrier module 2 ,+5V the electricity that FET Q4 drain electrodes are connect
Source DC2 is inputted to+5V the power pins of carrier module 2.Two power supplys are met, and carrier module 2 enters working condition, are carried
Ripple module 2 instructs generation corresponding signal according to control module 1 or receives the external signal from power line.
The control module 1 includes single-chip microcomputer, and the serial ports of carrier module 2 is Transistor-Transistor Logic level, the carrier module 2 and control
The serial ports connection of module 1 uses interconnection.So in the present embodiment, as shown in figure 1, the RXD pins connection of control module 1 carries
The TX pins of ripple module 2, the RX pins of the TXD pins connection carrier module 2 of control module 1.
In the present embodiment, the carrier module 2, which is provided with, to be sent indicating circuit, receives indicating circuit.As shown in figure 1, hair
Indicator lamp D1, protective resistance R7 is sent to connect, institute's series circuit is serially connected with+5V power supplys DC2 and carrier module 2 transmission instruction pin
Between.Codan lamp D2, protective resistance R8 connect, and institute's series circuit is serially connected with connecing for+5V power supplys DC2 and carrier module 2
Between receipts instruction pin.
It is described above, it is not that above-mentioned embodiment is also not limited to limitation of the present utility model, the utility model,
As long as the variations, modifications, additions or substitutions made in essential scope of the present utility model, of the present utility model so as to reach
Technique effect, it should all belong to the scope of protection of the utility model.
Claims (10)
1. one kind saves anti-interference power line carrier communication circuit, including control module (1), carrier module (2), Switching Power Supply mould
Block (3)；The control module (1) is connected with carrier module (2) data, and the carrier module (2) is connected with power line, the load
Ripple module (2) is connected with retarder between power line；The switch power module (3) provides dc source；It is characterized in that：
+ 12V the power pins of the carrier module (2) pass through+12V control circuit connection+12V power supplys (DC1) ,+12V controls electricity
Road is also connected with the power control pin of control module (1)；+ 5V the power pins of the carrier module (2) pass through+5V control circuits
Connection+5V power supplys (DC2) ,+5V control circuits are also connected with the power control pin of control module (1).
A kind of 2. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：The control
Module (1) includes single-chip microcomputer.
A kind of 3. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：The switch
The input of power module (3) is provided with High frequency filter.
A kind of 4. anti-interference power line carrier communication circuit of energy-conservation according to claim 3, it is characterised in that：The switch
The dc source that power module (3) provides includes+12V power supplys (DC1), and+12V the power supplys (DC1) are connected by filter capacitor C1
Earthing pole.
A kind of 5. anti-interference power line carrier communication circuit of energy-conservation according to claim 3, it is characterised in that：The switch
The dc source that power module (3) provides includes+5V power supplys (DC2), and+5V the power supplys (DC2) are connected by filter capacitor C2
Earth polar.
A kind of 6. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：+ the 12V
Control circuit includes the power supply of triode Q1 and FET Q3, the triode Q1 base stage link control module (1)
Pin, grounded emitter, colelctor electrode connection FET Q3 grid；Drain electrode connection+12V the power supplys of the FET
(DC1) ,+12V power pins of source electrode connection carrier module (2).
A kind of 7. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：+ the 5V
Control circuit includes the power supply of triode Q2 and FET Q4, the triode Q2 base stage link control module (1)
Pin, grounded emitter, colelctor electrode connection FET Q4 grid；Drain electrode connection+5V the power supplys of the FET
(DC2) ,+5V power pins of source electrode connection carrier module (2).
A kind of 8. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：The carrier wave
The serial ports of module (2) is Transistor-Transistor Logic level, and the carrier module (2) is connected with the serial ports of control module (1) uses interconnection.
A kind of 9. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：The carrier wave
Module (2) is connected with transmission indicating circuit, and the indicating circuit that sends includes the protective resistance R7 of series connection and sends indicator lamp D1,
The series circuit is concatenated between the transmission pin of+5V power supplys (DC2) and carrier module (2).
A kind of 10. anti-interference power line carrier communication circuit of energy-conservation according to claim 1, it is characterised in that：The load
Ripple module (2) is connected with reception indicating circuit, and the indicating circuit that receives includes the protective resistance R8 and codan lamp of series connection
D1, the series circuit are concatenated between the reception pin of+5V power supplys (DC2) and carrier module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852021.5U CN207099072U (en) | 2017-07-13 | 2017-07-13 | One kind saves anti-interference power line carrier communication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852021.5U CN207099072U (en) | 2017-07-13 | 2017-07-13 | One kind saves anti-interference power line carrier communication circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207099072U true CN207099072U (en) | 2018-03-13 |
Family
ID=61556402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720852021.5U Active CN207099072U (en) | 2017-07-13 | 2017-07-13 | One kind saves anti-interference power line carrier communication circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207099072U (en) |
-
2017
- 2017-07-13 CN CN201720852021.5U patent/CN207099072U/en active Active
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