CN203118215U - Plastic optical fiber splitter/combiner - Google Patents
Plastic optical fiber splitter/combiner Download PDFInfo
- Publication number
- CN203118215U CN203118215U CN 201320065950 CN201320065950U CN203118215U CN 203118215 U CN203118215 U CN 203118215U CN 201320065950 CN201320065950 CN 201320065950 CN 201320065950 U CN201320065950 U CN 201320065950U CN 203118215 U CN203118215 U CN 203118215U
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- optical fiber
- optical
- plastic optical
- plastic
- combiner
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Abstract
The utility model discloses a plastic optical fiber splitter/combiner, which comprises an upside light receiving module, a downside light sending module, a photoelectric conversion module, at least one downside light receiving module and at least one downside light sending module, wherein the upside light receiving module and the upside light sending module are connected with the photoelectric conversion module; and the downside light receiving module and the downside light sending module are connected with the photoelectric conversion module. Through the adoption of the technical scheme of the utility model, one path of upside light and downside light plastic fiber signals can be converted into multiple paths of plastic fiber signals, or multiple paths of plastic fiber signals are converted into one path of plastic fiber signals, so that the effect of light emitting and light receiving at the same time is realized; and the working process of meter reading system is finished by means of the principle of the inability for receiving and sending at the same time of a smart meter reading system.
Description
Technical field
The utility model relates to the power information communication technical field, relates in particular to a kind of plastic optical fiber and divides combiner.
Background technology
At present, the intelligent electric meter meter reading method of electric system has the arrowband power line carrier to check meter, 485 communication modes are checked meter, radio meter register and bandwidth carrier are checked meter realizes mode such as checking meter of intelligent electric meter.But all there is defective separately in above meter reading method, can not satisfy every index request that intelligent electric meter is checked meter fully.
On the other hand; along with technical progress; the application of fiber optic data communication more and more widely; the data transmission of safety and the characteristics of real-time online; make optical fiber communication in Industry Control; environmental protection; the application of industries such as road traffic has unrivaled superiority of effectiveness; what traditional intelligent electric meter was checked meter the communication media utilization is copper cable; in some rugged surroundings; be subjected to electromagnetic field easily; interference such as electromagnetic wave; communication quality is seriously descended; also be struck by lightning easily at thunderstorm weather; if can be applied to Fibre Optical Communication Technology during electric energy meter checks meter; then can solve and adopt traditional existing problem of copper cable, occurred utilizing silica fibre EPON system to realize the mode that intelligent electric meter is checked meter in the prior art.
Plastic optical fiber is a kind of novel optical communication medium of rising in recent years, its core and covering that constitutes optical fiber all is plastic material, compare with the quartz glass multimode optical fiber of 62.5/125 μ m with big core diameter 50/125 μ m, the core stem of plastic optical fiber is up to 200-1000 μ m, when continuing, it can use the cheap injection-moulded plastic connector of not being with the fiber orientation sleeve, can not influence coupling loss even if the fibre junction SMIS aim to produce ± 30 μ m deviations, have that construction is convenient, low cost and other advantages continues.Based on above-mentioned advantage, plastic optical fiber is applied in the very big improvement that also can bring in the intelligent electric meter kilowatt meter reading-out system on the performance.At present, also there is not a kind of core photoelectric conversion device that can solve the photosignal conversion in the intelligent electric meter kilowatt meter reading-out system of the type.
The utility model content
The purpose of this utility model is to propose a kind of plastic optical fiber and divides combiner, be used for plastic optical fiber intelligent electric meter kilowatt meter reading-out system as nucleus equipment, one tunnel up-downgoing plastic optical fiber light signal can be converted to the plastic optical fiber light signal of multichannel, or the plastic optical fiber light signal of multichannel is converted to one road plastic optical fiber light signal, realize intelligent grid at a high speed, reliable, multichannel and the intelligent electric meter requirement of checking meter cheaply.
For reaching this purpose, the utility model by the following technical solutions:
A kind of plastic optical fiber divides combiner, comprise: up Optical Receivers, up optical transmission module, photoelectric conversion module, be no less than one tunnel descending Optical Receivers and be no less than one tunnel descending optical transmission module, wherein, described up Optical Receivers is connected with described photoelectric conversion module with up optical transmission module; Described one tunnel the descending Optical Receivers of being no less than is connected with described photoelectric conversion module with the descending optical transmission module that is no less than a tunnel.
Preferably, described up optical transmission module and be no less than in one tunnel the descending optical transmission module and also comprise optical transmitter.
Preferably, described optical transmitter also comprises light emitting diode.
Preferably, described light emitting diode is that high-brightness surface mounts light emitting diode.
Preferably, described high-brightness surface mounts the drive current of light emitting diode less than 20 milliamperes, and centre wavelength is 650 nanometers, and chip size is about 1 square millimeter.
Preferably, described up Optical Receivers and be no less than in one tunnel the descending Optical Receivers and also comprise optical receiver.
Preferably, described optical receiver also comprises amplifier, detuner, wave filter and decision device, and wherein, described amplifier, detuner, wave filter and decision device are connected successively.Adopted the technical solution of the utility model, one road light signal can be shunted to multipath light signal, or multipath light signal has been closed Lu Chengyi road light signal satisfy the requirement of specific occasion.
Description of drawings
Fig. 1 is the structural representation that plastic optical fiber divides combiner in the utility model specific embodiment;
Fig. 2 is the fundamental diagram that plastic optical fiber divides combiner in the utility model specific embodiment.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Fig. 1 is the structural representation of a kind of plastic optical fiber of the utility model deciliter road implement body embodiment.As shown in Figure 1, plastic optical fiber divides combiner to comprise: up Optical Receivers 101, up optical transmission module 102, photoelectric conversion module 103, be no less than one tunnel descending Optical Receivers 104 and be no less than one tunnel descending optical transmission module 105, wherein, described up Optical Receivers 101 is connected with described photoelectric conversion module 103 with up optical transmission module 102; Described one tunnel the descending Optical Receivers 104 of being no less than is connected with described photoelectric conversion module 103 with the descending optical transmission module 105 that is no less than a tunnel.
Fig. 2 divides the fundamental diagram of combiner for the utility model plastic optical fiber.As shown in Figure 2, in the course of work, the light signal that up Optical Receivers 201 receives from up-link 206, carry out light through photoelectric conversion module 203--after the electricity conversion, transfer in real time and meet the interface specification electric signal and give multichannel descending optical transmission module 205.The light signal that the descending Optical Receivers of multichannel 204 receives from multichannel downlink 207, carry out light through photoelectric conversion module 203--after the electricity conversion, transfer in real time and meet the interface specification electric signal and give up optical transmission module 202.Wherein up-link 206 and downlink 207 are made of plastic optical fiber 208, carry out the transmission of light signal by plastic optical fiber 208.
In the present embodiment, plastic optical fiber divides combiner can be combined with Optical fiber electricity meter, collector and concentrator for the electric system Automatic meter reading system based on plastic optical fiber.The light input signal of any one port of plastic optical fiber is assigned on each port by circuit equably.Each port is in the half-duplex duty, and each has only a port in running order constantly.Transmit port sends to all optical ports simultaneously, is in broadcast mode.
Plastic optical fiber divides combiner that the Transistor-Transistor Logic level signal of intelligent electric meter input is carried out the electrical-optical modulation, the Transistor-Transistor Logic level signal is converted to be suitable for the keying signal driving LED of plastic optical fiber transmission luminous.The light signal of light emitting diode (LED) output directly is coupled into the plastic optical fiber seat, is 1 millimeter plastic optical fibre connector by diameter, is coupled into diameter again and is in 1 millimeter the plastic optical fiber.
As preferred embodiment a kind of, up optical transmission module and be no less than in one tunnel the descending optical transmission module and also comprise optical transmitter.In this optical transmitter circuit, light emitting diode (LED) is that the high-brightness surface that common display is used mounts light emitting diode, and drive current is less than 20mA, centre wavelength 650nm (infrared light).Why choosing the light emitting diode of 650nm, be because the light emitting diode of this wavelength is very cheap, and at 650nm wavelength place, the loss value of plastic optical fiber is relatively low.The light-emitting diode chip for backlight unit size Selection is about 1.0mm * 1.0mm, and is suitable with the diameter of plastic optical fiber, easily light signal is coupled in the plastic optical fiber.
Optical transmitter carries out the electrical-optical modulation with the Transistor-Transistor Logic level signal of intelligent electric meter input, the Transistor-Transistor Logic level signal is converted to be suitable for the keying signal driving LED of plastic optical fiber transmission luminous.The light signal of light emitting diode (LED) output directly is coupled into the plastic optical fiber seat that diameter is 1.0mm, by plastic optical fibre connector, is coupled in the plastic optical fiber that diameter is 1.0mm again.
As preferred embodiment a kind of, up Optical Receivers and be no less than in one tunnel the descending Optical Receivers and also comprise optical receiver.Optical receiver comprises amplifier, detuner, wave filter and decision device, and wherein, described amplifier, detuner, wave filter and decision device are connected successively.
In the course of work, optical receiver receives light signal and produces induction current, amplifies by the amplifier two-stage, is input to detuner and carries out demodulation by detuner.The signal that demodulates still contains high frequency interference, after filter module carries out filtering, is adjudicated by judging module again, can be reduced into the TTL signal of former input.
The plastic optical fiber that the utility model proposes divides combiner one road light signal can be distributed into multipath light signal, or multipath light signal is closed Lu Weiyi road light signal, adopts active mode, and light intensity is undamped and adjustable.Plastic optical fiber branch/close road is luminous and receive light simultaneously simultaneously, and that utilizes intelligent power meter reading can not receive and dispatch the course of work that principle is finished the intelligent electric meter kilowatt meter reading-out system simultaneously.This plastic optical fiber divides combiner to adopt active mode, and light intensity is undamped and adjustable; Transmission course does not have electromagenetic wave radiation, no electric noise influence, and antijamming capability is strong; This plastic optical fiber deciliter road device is in light weight, good toughness, antivibration resistance, durable reliable; Can provide high bandwidth, at a high speed, high reliability, strong security; Carry out need not specific purpose tool when system installs, need not melting welding, the tipping plastic optical fiber is convenient, flexible; The advantage that has waterproof, protection against the tide, antimagnetic and anti-electricity simultaneously.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. a plastic optical fiber divides combiner, it is characterized in that, comprise: up Optical Receivers, up optical transmission module, photoelectric conversion module, be no less than one tunnel descending Optical Receivers and be no less than one tunnel descending optical transmission module, wherein, described up Optical Receivers is connected with described photoelectric conversion module with up optical transmission module; Described one tunnel the descending Optical Receivers of being no less than is connected with described photoelectric conversion module with the descending optical transmission module that is no less than a tunnel.
2. plastic optical fiber as claimed in claim 1 divides combiner, it is characterized in that, described up optical transmission module and be no less than in one tunnel the descending optical transmission module and also comprise optical transmitter.
3. plastic optical fiber as claimed in claim 2 divides combiner, it is characterized in that, described optical transmitter also comprises light emitting diode.
4. plastic optical fiber as claimed in claim 3 divides combiner, it is characterized in that, described light emitting diode is that high-brightness surface mounts light emitting diode.
5. plastic optical fiber as claimed in claim 4 divides combiner, it is characterized in that, described high-brightness surface mounts the drive current of light emitting diode less than 20 milliamperes, and centre wavelength is 650 nanometers, and chip size is about 1 square millimeter.
6. divide combiner as each described plastic optical fiber of claim 1-5, it is characterized in that, described up Optical Receivers and be no less than in one tunnel the descending Optical Receivers and also comprise optical receiver.
7. plastic optical fiber as claimed in claim 6 divides combiner, it is characterized in that, described optical receiver also comprises amplifier, detuner, wave filter and decision device, and wherein, described amplifier, detuner, wave filter and decision device are connected successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065950 CN203118215U (en) | 2013-02-05 | 2013-02-05 | Plastic optical fiber splitter/combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065950 CN203118215U (en) | 2013-02-05 | 2013-02-05 | Plastic optical fiber splitter/combiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118215U true CN203118215U (en) | 2013-08-07 |
Family
ID=48898539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320065950 Expired - Lifetime CN203118215U (en) | 2013-02-05 | 2013-02-05 | Plastic optical fiber splitter/combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714693A (en) * | 2014-01-15 | 2014-04-09 | 深圳市好通家实业有限公司 | Meter reading system and method based on plastic fibers |
-
2013
- 2013-02-05 CN CN 201320065950 patent/CN203118215U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714693A (en) * | 2014-01-15 | 2014-04-09 | 深圳市好通家实业有限公司 | Meter reading system and method based on plastic fibers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |