CN107959531A - A kind of light emitting devices - Google Patents
A kind of light emitting devices Download PDFInfo
- Publication number
- CN107959531A CN107959531A CN201610906086.3A CN201610906086A CN107959531A CN 107959531 A CN107959531 A CN 107959531A CN 201610906086 A CN201610906086 A CN 201610906086A CN 107959531 A CN107959531 A CN 107959531A
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- optical fiber
- signal
- sent
- fiber interface
- electric switch
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The application provides a kind of light emitting devices, which includes：Optical fiber interface, detection unit, electric switch unit and transmitter unit, wherein：Detection unit, is connected with electric switch unit, the optical fiber plug state for detection fiber interface, when detecting that optical fiber interface inserts optical fiber, closure signal is sent to electric switch unit, when detecting that optical fiber is pulled out optical fiber interface, cut-off signal is sent to electric switch unit；Electric switch unit, it is connected between transmitter unit and power supply circuit, for being closed when receiving the closure signal that detection unit is sent, so that power supply circuit powers transmitter unit, turned off when receiving the cut-off signal that detection unit is sent, to block power supply circuit to power transmitter unit；Transmitter unit, is connected with optical fiber interface, and for converting the electrical signal to optical signal, optical signal is launched on optical fiber interface.
Description
Technical field
This application involves technical field of photo communication, more particularly to a kind of light emitting devices.
Background technology
Light emitting devices is a Primary Component in optical communication equipment, its main function is to convert the electrical signal to light letter
Launch after number.At present, in the case where optical communication equipment is in open state, if without slotting on the optical fiber interface of light emitting devices
Enter optical fiber, then at this time, light emitting devices still can launch optical signal by the optical fiber interface.In this way, not only waste optic communication
The energy of equipment, generates extra heat, moreover, result in extra laser pollution.
The content of the invention
In view of this, the application provides a kind of light emitting devices.
Specifically, the application is achieved by the following technical solution：
This application provides a kind of light emitting devices, including：Optical fiber interface, detection unit, electric switch unit and transmitting are single
Member, wherein：
Detection unit, is connected with electric switch unit, for the optical fiber plug state of detection fiber interface, is detecting optical fiber
When interface inserts optical fiber, closure signal is sent to electric switch unit, when detecting that optical fiber is pulled out optical fiber interface, to establishing by cable
Close unit and send cut-off signal；
Electric switch unit, is connected between transmitter unit and power supply circuit, for being closed receive that detection unit sends
Closed when closing signal, so that power supply circuit powers transmitter unit, when receiving the cut-off signal that detection unit is sent
Turn off, to block power supply circuit to power transmitter unit；
Transmitter unit, is connected with optical fiber interface, and for converting the electrical signal to optical signal, light letter is launched on optical fiber interface
Number.
Wherein, detection unit includes：First conductor and the second conductor, resistor, analog-digital converter and micro-control processor
MCU, wherein：
Spacial alignment optical fiber interface between first conductor and the second conductor, so that insertion optical fiber connects after optical fiber passes through space
Mouthful, also, optical fiber be pulled out optical fiber interface after leave space；
It is connected after first conductor and resistor in series with the cathode of DC power supply, the anode of the second conductor and DC power supply connects
Connect；
Two input ports of analog-digital converter are connected to both ends, output port and the MCU connections of resistor, are used for
By the voltage conversion on resistor be digital signal after be sent to MCU；
MCU is connected with electric switch unit, for after the digital signal that analog-digital converter is sent is received, being believed according to numeral
Voltage on number judgement resistor, if judging, the voltage is less than 0, closure signal is sent to electric switch unit, if judging
The voltage is more than 0, then sends cut-off signal to electric switch unit.
Wherein, the first conductor and the second conductor are two parallel pole plates with conductive characteristic.
Wherein, the material of pole plate is that metal, alloy or graphite are dilute.
Wherein, the distance between the first conductor and the second conductor are more than the outside diameter of optical fiber interface.
Wherein, analog-digital converter is specifically used for being amplified the voltage on resistor, is by amplified voltage conversion
MCU is sent to after digital signal.
Wherein, electric switch unit is relay or power operational amplifier.
Wherein, transmitter unit includes：Laser driver and light emitting secondary module, wherein：
Laser driver, is connected with electric switch unit, and for converting the electrical signal to optical signal, optical signal is sent to light
Emission secondary module；
Light emitting secondary module, is connected with laser driver and optical fiber interface, for receiving what laser driver was sent
After optical signal, optical signal is launched on optical fiber interface.
By the above technical scheme of the application, detection unit can examined with the optical fiber plug state of detection fiber interface
Measure when optical fiber is inserted on optical fiber interface, send closure signal to electric switch unit, electric switch unit is receiving the closure
After signal, closed procedure is carried out, so that transmitter unit powers on, so that transmitter unit can convert the electrical signal to optical signal
Afterwards, optical signal is launched on optical fiber interface, in addition, detection unit is when the optical fiber on detecting optical fiber interface is pulled out, to electricity
Switch element sends cut-off signal, and electric switch unit carries out opening operation after the cut-off signal is received, so that transmitting
Unit power down, so that transmitter unit will stop converting the electrical signal to optical signal, stops at and launches optical signal on optical fiber interface.
So as to, realize when inserting optical fiber on optical fiber interface, optical signal is launched on the optical fiber interface, and do not have when on optical fiber interface
When having insertion optical fiber, the purpose for launching optical signal on the optical fiber interface is automatically stopped, has reached the accurate control to Laser emission
System, saves the energy, reduces the effect of heat and laser pollution.
Especially in the application deployment of large-scale optical communication equipment, using the light emitting devices of the application, can effectively it reduce
Equipment energy consumption, saves the energy, reduces heat dissipation pressure, extends component service life, has in engineer application and in realizing higher
Application value.
Brief description of the drawings
Fig. 1 is the schematic diagram of the light emitting devices of one exemplary embodiment of the application；
Fig. 2 is the signal of the light emitting devices of the concrete structure for showing detection unit of one exemplary embodiment of the application
Figure；
Fig. 3 is the circuit diagram of the detection unit of one exemplary embodiment of the application；
Fig. 4 is the transmitter unit and electric switch of the concrete structure for showing transmitter unit of one exemplary embodiment of the application
The connection diagram of unit.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the application.
It is only merely for the purpose of description specific embodiment in term used in this application, and is not intended to be limiting the application.
It is also intended in the application and " one kind " of singulative used in the attached claims, " described " and "the" including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
Containing the associated list items purpose of one or more, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, do not departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
In order to solve waste of energy existing for the light emitting devices of the prior art, produce extra heat, cause it is extra
The problem of laser pollutes, provides a kind of light emitting devices in the application following embodiments, which can be applied to
In optical communication equipment.
As shown in Figure 1, the light emitting devices of the embodiment of the present application includes：Optical fiber interface 10, detection unit 20, electric switch
Unit 30 and transmitter unit 40, wherein：
Detection unit 20, is connected with electric switch unit 30, for the optical fiber plug state of detection fiber interface 10, is detecting
When inserting optical fiber to optical fiber interface 10, closure signal is sent to electric switch unit 30, is detecting that optical fiber is pulled out optical fiber and connects
During mouth 10, cut-off signal is sent to electric switch unit 30；
Electric switch unit 30, is connected between transmitter unit 40 and power supply circuit, for sending out receiving detection unit 20
Closed during the closure signal come, so that power supply circuit powers transmitter unit 40, receiving what detection unit 20 was sent
Turned off during cut-off signal, to block power supply circuit to power transmitter unit 40；
Transmitter unit 40, is connected with optical fiber interface 10, for converting the electrical signal to optical signal, is sent out on optical fiber interface 10
Penetrate optical signal.
During actual implementation, electric switch unit 30 can be relay or power operational amplifier etc..Obviously, establish by cable
Closing unit 30 needs to connect external power supply, to maintain the normal work of itself.
In above-mentioned light emitting devices, detection unit can detect light with the optical fiber plug state of detection fiber interface
When inserting optical fiber on fine interface, to electric switch unit send closure signal, electric switch unit after the closure signal is received,
Closed procedure is carried out, so that transmitter unit powers on, so that after transmitter unit can convert the electrical signal to optical signal, in light
Launch optical signal on fine interface, in addition, detection unit is when the optical fiber on detecting optical fiber interface is pulled out, to electric switch unit
Cut-off signal is sent, electric switch unit carries out opening operation after the cut-off signal is received, so that transmitter unit falls
Electricity, so that transmitter unit will stop converting the electrical signal to optical signal, stops at and launches optical signal on optical fiber interface.So as to,
Realize when inserting optical fiber on optical fiber interface, optical signal is launched on the optical fiber interface, and inserted when no on optical fiber interface
When entering optical fiber, the purpose for launching optical signal on the optical fiber interface is automatically stopped, has reached the accurate control to Laser emission, section
The about energy, reduces the effect of heat and laser pollution.
Especially in the application deployment of large-scale optical communication equipment, the light emitting devices of the embodiment of the present application, Neng Gouyou are used
Effect reduces equipment energy consumption, saves the energy, reduces heat dissipation pressure, extends component service life, has in engineer application and in realizing
Higher application value.
In order to realize the detection to the optical fiber plug state of optical fiber interface 10, as shown in Fig. 2, detection unit 20 includes：
First conductor 201 and the second conductor 202, resistor R, analog-digital converter 203 and micro-control processor (MCU) 204, wherein：
Spacial alignment optical fiber interface 10 between first conductor 201 and the second conductor 202, so that optical fiber 50 passes through the space
Afterwards be inserted into optical fiber interface 10, also, optical fiber 50 be pulled out optical fiber interface 10 after leave the space；Wherein, the first conductor 201 and
The distance between two conductors 202 are slightly larger than the outside diameter of optical fiber interface 10；
It is connected after first conductor 201 and resistor R series connection with the cathode of DC power supply Vcc, the second conductor 202 and direct current
The anode connection of source Vcc；
Two input ports of analog-digital converter 203 are connected to both ends, output port and the MCU 204 of resistor R
Connection, for the voltage conversion on resistor R to be sent to MCU 204 by output port after digital signal；
IO (input and output) mouths of MCU 204 are connected with the logic control port Con of electric switch unit 30, for receiving
After the digital signal sent to analog-digital converter 203, the voltage on resistor R is judged according to the digital signal, if judging this
Voltage is less than 0, then sends closure signal to electric switch unit 30 by I/O port, if judging, the voltage is more than 0, passes through I/O port
Cut-off signal is sent to electric switch unit 30.
In detection unit as shown in Figure 2, since the outside diameter of optical fiber interface is smaller, generally 125 microns, therefore, the
One conductor 201 and the second conductor 202 have actually constituted a capacitor C.For the ease of implementing, the first conductor 201 and second is led
Body 202 can be two parallel pole plates with conductive characteristic.The material of the pole plate can be metal, alloy or graphene
Deng.
The circuit of capacitor C, resistor R and DC power supply Vcc compositions is as shown in Figure 3.Below for the electricity shown in Fig. 3
Road, describes the operation principle of above-mentioned emitter in detail.
When initial, optical fiber is not inserted on optical fiber interface 10, the medium E of capacitor C is air.In circuit as shown in Figure 3
After connection, capacitor C can charge, and by charging current on resistor R, the magnitude of voltage on resistor R is more than 0 at this time, fills
After the completion of electricity, no longer by charging current on resistor R, then the magnitude of voltage on resistor R is equal to 0 at this time.
When optical fiber is inserted into optical fiber interface 10, the medium E of capacitor C is become for optical fiber by air, opposite due to air
Dielectric constant is 1, and the relative dielectric constant of fiber glass is 1.5~2.2, therefore, when optical fiber is inserted into optical fiber interface 10, capacitance
The capacitance of device C can reduce, so as to cause capacitor C to discharge, the voltage in discharge process on resistor R is less than 0.Mould
For number converter 203 by the voltage conversion on resistor R to be sent to MCU 204 after digital signal, MCU 204 is receiving the number
After word signal, judge that the voltage on resistor R is less than 0, then closure signal can be sent to electric switch unit 30 by I/O port.Electricity
Switch element 30 is closed after the closure signal is received from logical control interface Con, in this way, power supply circuit is single with transmitting
Member 40 is connected, and power supply circuit is exported by two output port of power source Out1 and Out2 of electric switch unit 30 to transmitter unit 40
Direct current, so that transmitter unit 40 can work normally, is launched after converting the electrical signal to optical signal by optical fiber interface.
It is achieved thereby that launch the purpose of optical signal when optical fiber is inserted into optical fiber interface.
When optical fiber is extracted from optical fiber interface 10, the medium E of capacitor C is changed for air, therefore, capacitance by optical fiber
The capacitance of device C can increase, so as to cause capacitor C to charge again, the voltage in charging process on resistor R is more than
0.By the voltage conversion on resistor R to be sent to MCU 204 after digital signal, MCU 204 is being received analog-digital converter 203
After the digital signal, judge that the voltage on resistor R is more than 0, then can be sent by I/O port to electric switch unit 30 and disconnect letter
Number.Electric switch unit 30 turns off after receiving the cut-off signal from the Con of logic control port, in this way, power supply circuit with
Transmitter unit 40 disconnects, and power supply circuit can not be by two output port of power source Out1 and Out2 of electric switch unit 30 to transmitting
Unit 40 exports direct current, so as to cause transmitter unit 40 not work, i.e. pass through after can not converting the electrical signal to optical signal
Optical fiber interface is launched.It is achieved thereby that stop the purpose of transmitting optical signal in optical fiber drawn optical fiber interface.
In addition, for the ease of carrying out analog-to-digital conversion, analog-digital converter 203 first can put the voltage on resistor R
Greatly, then, by amplified voltage conversion be digital signal after be sent to MCU 204.
Detection unit in the embodiment of the present application, realizes a kind of contactless detection design, can not contact light
In the case of fibre, the detection to the optical fiber plug state of optical fiber interface is completed, so as to will not cause to be lost to optical fiber.
As shown in figure 4, transmitter unit 40 includes：Laser driver 401 and light emitting secondary module (TOSA) 402, wherein：
Laser driver 401, its power input port In1 is connected with the output port of power source Out1 of electric switch unit 30,
Power input port In2 is connected with the output port of power source Out2 of electric switch unit 30, for converting the electrical signal to optical signal,
Optical signal is sent to light emitting secondary module 402；As it can be seen that when establishing the closure of light unit 30 by cable, laser driver 401 passes through power supply
After input port In1 and In2 receive the direct current of power supply circuit, so as to work normally, disconnected when establishing light unit 30 by cable
When, laser driver 401 can not receive the direct current of power supply circuit, so as to be stopped；
Light emitting secondary module 402, is connected with laser driver 401 and optical fiber interface 10, for receiving Laser Driven
After the optical signal that device 401 is sent, launch optical signal on optical fiber interface 10.
In practical applications, by taking medium-sized communications equipment room as an example, in medium-sized communications equipment room would generally use 10~100 group 8~
128 mouthfuls of light emitting devices, considers for redundancy backup etc., wherein having 15%~20% optical fiber interface can be in throughout the year
Disconnected state.It is assumed that the maximum power dissipation of light emitting devices is 16W, no-load power consumption 14.1735W, then 100 groups of light emitting devices
Maximum power dissipation has reached 1600W.After the embodiment of the present application, 15% or so the light emitting in interrupt status can be closed
Device, so as to reduce by 10%~15% power consumption.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, physics list is may or may not be as the component that unit is shown
Member, you can with positioned at a place, or can also be distributed in multiple network unit.It can be selected according to the actual needs
In some or all of module realize the purpose of application scheme.Those of ordinary skill in the art are not paying creative labor
In the case of dynamic, you can to understand and implement.
The foregoing is merely the preferred embodiment of the application, not limiting the application, all essences in the application
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of the application protection.
Claims (8)
- A kind of 1. light emitting devices, it is characterised in that including：Optical fiber interface, detection unit, electric switch unit and transmitter unit, Wherein：Detection unit, is connected with the electric switch unit, for detecting the optical fiber plug state of the optical fiber interface, is detecting When the optical fiber interface inserts optical fiber, closure signal is sent to the electric switch unit, is detecting that it is described that optical fiber is pulled out During optical fiber interface, cut-off signal is sent to the electric switch unit；The electric switch unit, is connected between the transmitter unit and power supply circuit, for receiving the detection unit Closed during the closure signal sent, so that the power supply circuit powers the transmitter unit, it is described receiving Turned off during the cut-off signal that detection unit is sent, to block the power supply circuit to power the transmitter unit；The transmitter unit, is connected with the optical fiber interface, for converting the electrical signal to optical signal, on the optical fiber interface Launch the optical signal.
- 2. device according to claim 1, it is characterised in that the detection unit includes：First conductor and the second conductor, Resistor, analog-digital converter and micro-control processor MCU, wherein：Optical fiber interface described in spacial alignment between first conductor and second conductor, so that optical fiber passes through the space After be inserted into the optical fiber interface, also, optical fiber be pulled out the optical fiber interface after leave the space；It is connected after first conductor and the resistor in series with the cathode of DC power supply, second conductor and DC power supply Anode connection；Two input ports of the analog-digital converter are connected to the both ends of the resistor, output port and the MCU Connection, for the voltage conversion on the resistor to be sent to the MCU after digital signal；The MCU is connected with the electric switch unit, for after the digital signal that the analog-digital converter is sent is received, root Judge the voltage on the resistor according to the digital signal, the voltage is less than 0 if judging, is sent out to the electric switch unit The closure signal is sent, the voltage is more than 0 if judging, the cut-off signal is sent to the electric switch unit.
- 3. the apparatus of claim 2, it is characterised in that first conductor and second conductor have for two The parallel pole plate of conductive characteristic.
- 4. device according to claim 3, it is characterised in that the material of the pole plate is metal, alloy or graphite are dilute.
- 5. the apparatus of claim 2, it is characterised in that the distance between first conductor and second conductor More than the outside diameter of the optical fiber interface.
- 6. the apparatus of claim 2, it is characterised in that the analog-digital converter is specifically used on the resistor Voltage be amplified, by amplified voltage conversion be digital signal after be sent to the MCU.
- 7. device according to claim 1, it is characterised in that the electric switch unit amplifies for relay or Power arithmetic Device.
- 8. device according to claim 1, it is characterised in that the transmitter unit includes：Laser driver and light emitting Secondary module, wherein：The laser driver, is connected with the electric switch unit, for converting the electrical signal to optical signal, by the optical signal It is sent to the light emitting secondary module；The light emitting secondary module, is connected with the laser driver and the optical fiber interface, for receiving the laser After the optical signal that driver is sent, the optical signal is launched on the optical fiber interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906086.3A CN107959531B (en) | 2016-10-18 | 2016-10-18 | Light emitting device |
| PCT/CN2017/106023 WO2018072643A1 (en) | 2016-10-18 | 2017-10-13 | Light emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906086.3A CN107959531B (en) | 2016-10-18 | 2016-10-18 | Light emitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107959531A true CN107959531A (en) | 2018-04-24 |
| CN107959531B CN107959531B (en) | 2020-02-11 |
Family
ID=61953420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610906086.3A Active CN107959531B (en) | 2016-10-18 | 2016-10-18 | Light emitting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107959531B (en) |
| WO (1) | WO2018072643A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098864A (en) * | 2019-04-11 | 2019-08-06 | 青岛海信宽带多媒体技术有限公司 | Control method, optical module and the network equipment of optical module |
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| CN1641391A (en) * | 2004-01-14 | 2005-07-20 | 王子梁 | Photosensitive oiptical fiber connecting seat |
| CN101621330A (en) * | 2008-06-30 | 2010-01-06 | 华为技术有限公司 | Method, system and optical fiber adapter for detecting connection state of optical fiber |
| US8391708B1 (en) * | 2008-07-11 | 2013-03-05 | Finisar Corporation | Laser eye safety and fiber receptacle presence detection |
| CN105759369A (en) * | 2014-12-19 | 2016-07-13 | 华为技术有限公司 | Laser leakage-preventing optical module and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6359708B1 (en) * | 1997-09-18 | 2002-03-19 | Lucent Technologies Inc. | Optical transmission line automatic power reduction system |
| CN103532541B (en) * | 2013-09-30 | 2017-02-22 | 上海斐讯数据通信技术有限公司 | Light module power supply control method and system |
-
2016
- 2016-10-18 CN CN201610906086.3A patent/CN107959531B/en active Active
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2017
- 2017-10-13 WO PCT/CN2017/106023 patent/WO2018072643A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641391A (en) * | 2004-01-14 | 2005-07-20 | 王子梁 | Photosensitive oiptical fiber connecting seat |
| CN101621330A (en) * | 2008-06-30 | 2010-01-06 | 华为技术有限公司 | Method, system and optical fiber adapter for detecting connection state of optical fiber |
| US8391708B1 (en) * | 2008-07-11 | 2013-03-05 | Finisar Corporation | Laser eye safety and fiber receptacle presence detection |
| CN105759369A (en) * | 2014-12-19 | 2016-07-13 | 华为技术有限公司 | Laser leakage-preventing optical module and control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098864A (en) * | 2019-04-11 | 2019-08-06 | 青岛海信宽带多媒体技术有限公司 | Control method, optical module and the network equipment of optical module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107959531B (en) | 2020-02-11 |
| WO2018072643A1 (en) | 2018-04-26 |
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