CN206686188U - High speed optoelectronic data transmitter-receiver set - Google Patents
High speed optoelectronic data transmitter-receiver set Download PDFInfo
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- CN206686188U CN206686188U CN201720223597.5U CN201720223597U CN206686188U CN 206686188 U CN206686188 U CN 206686188U CN 201720223597 U CN201720223597 U CN 201720223597U CN 206686188 U CN206686188 U CN 206686188U
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Abstract
The utility model discloses a kind of high speed optoelectronic data transmitter-receiver set, and it includes data transtation mission circuit and data receiver circuit；The data transtation mission circuit includes metal-oxide-semiconductor Q3, resistance R7, resistance R8 and diode D4；The drain electrode connection power supply VCC of the metal-oxide-semiconductor Q3, grid is by resistance R8 connection electric energy meters MCU data sending terminal or hand-held collecting and copying device MCU data sending terminal, the positive pole that source electrode passes through resistance R7 connection diodes D4；Diode D4 negative pole ground connection.One high speed optoelectronic data transmitter-receiver set is respectively installed in hand-held collecting and copying device and electric energy meter, realizes both communications.This programme controls the flicker of light emitting diode using metal-oxide-semiconductor, because metal-oxide-semiconductor is voltage amplification effect, has high response speed, up to number Mbps speed, effectively increases transmission speed, while ensures the complete of the transmission waveform of light emitting diode.This programme is applied to electric-power metering instrument field.
Description
Technical field
Field of power communication is the utility model is related to, more particularly, to a kind of high speed optoelectronic data for electric energy meter communication
R-T unit.
Background technology
Hand-held collecting and copying device is to copy personnel's grip and close to electric energy meter by collection, and electric energy is read by the mode of photoelectric communication
Data in table.Existing photoelectric communication controls the flicker of light emitting diode using triode, because triode is put for electric current
Big effect, response speed is slow, typically can only operate in below the speed less than 100Kbps, and communication process is slow, data volume compared with
Time-consuming in the case of big, it is necessary to the communication port of hand-held collecting and copying device be directed to the communication port of electric energy meter for a long time, to operation
Personnel requirement is high.
The content of the invention
The utility model is mainly to solve the technical problem that the communication speed present in prior art waits more slowly, there is provided a kind of
High speed optoelectronic data transmitter-receiver set with high communication efficiency, reduction operation difficulty, realizes hand-held collecting and copying device and electric energy meter
Between high-speed communication.
The utility model is mainly what is be addressed by following technical proposals for above-mentioned technical problem：A kind of high-speed light
Electric data transmitter-receiver set, including data transtation mission circuit and data receiver circuit；The data transtation mission circuit includes metal-oxide-semiconductor Q3, electricity
Hinder R7, resistance R8 and diode D4；The drain electrode connection power supply VCC of the metal-oxide-semiconductor Q3, grid pass through resistance R8 connection electric energy meters
MCU data sending terminal or hand-held collecting and copying device MCU data sending terminal, source electrode by resistance R7 connection diodes D4 just
Pole；Diode D4 negative pole ground connection.
One high speed optoelectronic data transmitter-receiver set is respectively installed in hand-held collecting and copying device and electric energy meter, realizes that both is logical
News.Diode D4 is light emitting diode, and model can be AT20S etc..This programme controls the sudden strain of a muscle of light emitting diode using metal-oxide-semiconductor
It is bright, because metal-oxide-semiconductor is voltage amplification effect, there is high response speed, up to number Mbps speed, effectively increase transmission
Speed, while ensure the complete of the transmission waveform of light emitting diode.
Preferably, the data receiver circuit includes photodiode D2, resistance R6, amplifying unit and shaping unit；
The negative pole connection power supply VCC of the photodiode D2, positive pole are grounded by resistance R6；The input connection photoelectricity of amplifying unit
Diode D2 positive pole, the input of the output end connection shaping unit of amplifying unit, the output end connection electric energy of shaping unit
Table MCU data receiver or hand-held collecting and copying device MCU data receiver.
The light that data receiver circuit is sent by photodiode to light emitting diode is acquired and is converted into telecommunications
Number, it is then output to amplifying unit.
Preferably, the amplifying unit includes operational amplifier U1, resistance R9, resistance R10 and electric capacity C1；The computing
Amplifier U1 in-phase input end connection photodiode D2 positive pole, operational amplifier U1 inverting input connection resistance R9
First end, resistance R9 the second end ground connection, resistance R10 be connected across operational amplifier U1 output end and inverting input it
Between, electric capacity C1 and resistance R10 are in parallel；The input of operational amplifier U1 output end connection shaping unit.
The electric signal amplification that amplifying unit exports to light emitting diode, is then output to shaping unit.
Preferably, the shaping unit includes high-speed comparator U2, resistance R11, resistance R12 and resistance R13；The height
Fast comparator U2 positive input terminal connection resistance R11 first end, resistance R11 the second end connection power supply VCC；Resistance R12's
First end connection resistance R11 first end, resistance R12 the second end ground connection；High-speed comparator U2 negative input end connection amplification
The output end of unit；Resistance R13 is connected across between high-speed comparator U2 positive input terminal and output end；High-speed comparator U2's is defeated
Go out end connection electric energy meter MCU data receiver or hand-held collecting and copying device MCU data receiver.
The output signal of amplifying unit compared with reference voltage, is carried out waveform shaping by shaping unit, and finally output is perfect
Square-wave signal, for MCU receive.
The beneficial effect that the utility model is brought is to effectively increase communication speed, reduces communication time, simplifies data and adopts
The operation of collection.
Brief description of the drawings
Fig. 1 is a kind of data transtation mission circuit figure of the present utility model；
Fig. 2 is a kind of data receiver circuit figure of the present utility model.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：A kind of high speed optoelectronic data transmitter-receiver set of the present embodiment, including data transtation mission circuit and data receiver
Circuit.As shown in figure 1, data transtation mission circuit includes metal-oxide-semiconductor Q3, resistance R7, resistance R8 and diode D4；The metal-oxide-semiconductor Q3's
Drain electrode connection power supply VCC, grid pass through resistance R8 connection electric energy meters MCU data sending terminal or hand-held collecting and copying device MCU
Data sending terminal, the positive pole that source electrode passes through resistance R7 connection diodes D4；Diode D4 negative pole ground connection.
As shown in Fig. 2 data receiver circuit includes photodiode D2, resistance R6, amplifying unit and shaping unit；It is described
Photodiode D2 negative pole connection power supply VCC, positive pole are grounded by resistance R6；Input connection photoelectricity two pole of amplifying unit
Pipe D2 positive pole, the input of the output end connection shaping unit of amplifying unit, the output end connection electric energy meter MCU of shaping unit
Data receiver or hand-held collecting and copying device MCU data receiver.
Amplifying unit includes operational amplifier U1, resistance R9, resistance R10 and electric capacity C1；The operational amplifier U1's is same
Phase input connection photodiode D2 positive pole, operational amplifier U1 inverting input connection resistance R9 first end, electricity
R9 the second end ground connection is hindered, resistance R10 is connected across between operational amplifier U1 output end and inverting input, electric capacity C1 and electricity
It is in parallel to hinder R10；The input of operational amplifier U1 output end connection shaping unit.
Shaping unit includes high-speed comparator U2, resistance R11, resistance R12 and resistance R13；The high-speed comparator U2's
Positive input terminal connection resistance R11 first end, resistance R11 the second end connection power supply VCC；Resistance R12 first end connection electricity
Hinder R11 first end, resistance R12 the second end ground connection；The output end of high-speed comparator U2 negative input end connection amplifying unit；
Resistance R13 is connected across between high-speed comparator U2 positive input terminal and output end；High-speed comparator U2 output end connection electric energy
Table MCU data receiver or hand-held collecting and copying device MCU data receiver.
One high speed optoelectronic data transmitter-receiver set is respectively installed in hand-held collecting and copying device and electric energy meter, realizes that both is logical
News.Diode D4 is light emitting diode, and model can be AT20S etc..This programme controls the sudden strain of a muscle of light emitting diode using metal-oxide-semiconductor
It is bright, because metal-oxide-semiconductor is voltage amplification effect, there is high response speed, up to number Mbps speed, effectively increase transmission
Speed, while ensure the complete of the transmission waveform of light emitting diode.
The faint optical signal received on photoelectric receiving diode D2, certain leakage current can be produced, over resistor r 6
Voltage is formed, is amplified to the voltage signal on high speed operation amplifier R6 in certain limit, is exported from U1 the 1st pin, with
Reference voltage on high-speed comparator U2 is compared, and carries out waveform shaping, finally exports perfect 1Mbps in U4 the 4th pin
Square-wave signal above, received for MCU.
Specific embodiment described herein is only to the invention spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from principle of the present utility model or surmount scope defined in appended claims.
Although more having used the terms such as light emitting diode, photodiode, operational amplifier herein, it is not precluded from
Use the possibility of other terms.It is used for the purpose of more easily describing and explaining of the present utility model using these terms
Matter；Any additional limitation is construed as all to disagree with the invention spirit.
Claims (4)
1. a kind of high speed optoelectronic data transmitter-receiver set, it is characterised in that including data transtation mission circuit and data receiver circuit；It is described
Data transtation mission circuit includes metal-oxide-semiconductor Q3, resistance R7, resistance R8 and diode D4；The drain electrode connection power supply VCC of the metal-oxide-semiconductor Q3,
Grid is led to by resistance R8 connection electric energy meters MCU data sending terminal or hand-held collecting and copying device MCU data sending terminal, source electrode
Cross resistance R7 connection diodes D4 positive pole；Diode D4 negative pole ground connection.
2. high speed optoelectronic data transmitter-receiver set according to claim 1, it is characterised in that the data receiver circuit includes
Photodiode D2, resistance R6, amplifying unit and shaping unit；The negative pole connection power supply VCC of the photodiode D2, positive pole
It is grounded by resistance R6；The input connection photodiode D2 of amplifying unit positive pole, the output end connection of amplifying unit are whole
The input of shape unit, the output end connection electric energy meter MCU of shaping unit data receiver or hand-held collecting and copying device MCU's
Data receiver.
3. high speed optoelectronic data transmitter-receiver set according to claim 2, it is characterised in that the amplifying unit includes computing
Amplifier U1, resistance R9, resistance R10 and electric capacity C1；The in-phase input end connection photodiode D2 of the operational amplifier U1
Positive pole, operational amplifier U1 inverting input connection resistance R9 first end, resistance R9 the second end ground connection, resistance R10
It is connected across between operational amplifier U1 output end and inverting input, electric capacity C1 and resistance R10 are in parallel；Operational amplifier U1's
Output end connects the input of shaping unit.
4. high speed optoelectronic data transmitter-receiver set according to claim 2, it is characterised in that the shaping unit is included at a high speed
Comparator U2, resistance R11, resistance R12 and resistance R13；The first of the positive input terminal connection resistance R11 of the high-speed comparator U2
End, resistance R11 the second end connection power supply VCC；Resistance R12 first end connection resistance R11 first end, the of resistance R12
Two ends are grounded；The output end of high-speed comparator U2 negative input end connection amplifying unit；Resistance R13 is connected across high-speed comparator U2
Positive input terminal and output end between；High-speed comparator U2 output end connection electric energy meter MCU data receiver or hand-held
Collecting and copying device MCU data receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223597.5U CN206686188U (en) | 2017-03-08 | 2017-03-08 | High speed optoelectronic data transmitter-receiver set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223597.5U CN206686188U (en) | 2017-03-08 | 2017-03-08 | High speed optoelectronic data transmitter-receiver set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206686188U true CN206686188U (en) | 2017-11-28 |
Family
ID=60392134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720223597.5U Active CN206686188U (en) | 2017-03-08 | 2017-03-08 | High speed optoelectronic data transmitter-receiver set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206686188U (en) |
-
2017
- 2017-03-08 CN CN201720223597.5U patent/CN206686188U/en active Active
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