CN202998097U - Optical module monitoring circuit - Google Patents
Optical module monitoring circuit Download PDFInfo
- Publication number
- CN202998097U CN202998097U CN 201220577832 CN201220577832U CN202998097U CN 202998097 U CN202998097 U CN 202998097U CN 201220577832 CN201220577832 CN 201220577832 CN 201220577832 U CN201220577832 U CN 201220577832U CN 202998097 U CN202998097 U CN 202998097U
- Authority
- CN
- China
- Prior art keywords
- optical module
- processor
- circuit
- power
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses an optical module monitoring circuit comprising a processor, a temperature sensor, a power source voltage monitoring circuit, a bias current monitoring circuit, a laser device optical power detection circuit, and a receiving optical power detection circuit, wherein the temperature sensor, the power source voltage monitoring circuit, the bias current monitoring circuit, the laser device optical power detection circuit, and the receiving optical power detection circuit are respectively connected with the processor. A current monitoring circuit connected with the processor is arranged between an external power source of the optical module and a total load of the optical module, and the current monitoring circuit is used for obtaining the total current of the optical module; and the processor calculates total power of the optical module on the basis of the power source voltage obtained by the power source voltage monitoring circuit and the total current of the optical module, and therefore the total power of the optical module can be monitor by the processor. The optical module monitoring circuit adds a total power value monitoring function to conventional five monitoring circuits, therefore corresponding energy saving measures can be taken by the optical module according to the total power, and an energy saving aim can be realized.
Description
Technical field
The utility model relates to the optical communication technology field, relates in particular to a kind of optical module supervisory circuit.
Background technology
In the optical communication industry, operator pays much attention to the energy-conservation of optical module.But the existing optical module that meets the SFF-8472 technical standard is monitored five kinds of analog quantitys only.As Fig. 1, show the address schematic diagram of single-chip microcomputer storage monitoring value in the optical module that meets the SFF-8472 technical standard.By shown in Figure 1, optical module is only to its case temperature, supply voltage, and bias current, utilizing emitted light power, five kinds of analog quantitys of received optical power are monitored, and the gross power that embodies power save parameters is not monitored.Due to the gross power that can't monitor optical module, therefore can't reach energy-conservation purpose, also can't select the heat abstractor of corresponding power to dispel the heat according to gross power simultaneously.
Therefore, be necessary to provide a kind of optical module observation circuit that can monitor gross power, can carry out according to gross power energy-conservationly to reach, and can select the heat abstractor of corresponding power to dispel the heat according to the gross power of monitoring.
The utility model content
Embodiment of the present utility model provides a kind of optical module observation circuit, solves existing optical module due to the gross power that can't monitor optical module, does not carry out problem energy-conservation and that select the heat abstractor of corresponding power to dispel the heat according to gross power and reach according to gross power.
In embodiment of the present utility model, a kind of optical module supervisory circuit has been proposed, comprise processor, temperature sensor, supply voltage monitoring circuit, bias current observation circuit, laser optical power detection circuit and received optical power detection circuit, described temperature sensor, supply voltage monitoring circuit, bias current observation circuit, laser optical power detection circuit are connected with processor with the received optical power detection circuit and are connected
Be provided with the current monitoring circuit that is connected with described processor between described optical module external power supply and optical module total load, be used for obtaining the total current of described optical module;
The supply voltage that described processor obtains according to described supply voltage monitoring circuit and the total current of described optical module calculate the gross power of optical module, to realize the monitoring to the gross power of optical module.
Wherein, described current monitoring circuit comprises a resistance and an amplifier, wherein,
Described resistance string is coupled in the circuit of described external power supply and optical module total load;
Described amplifier comprises two inputs and an output, wherein, an input is connected with the input of described resistance, another input is connected with the output of described resistance, described output is connected with described processor, and described amplifier is used for sending to described processor after monitor signal with resistance two ends amplifies.
Preferably, described amplifier is differential amplifier.
Wherein, what the in-phase input end of described differential amplifier and inverting input were inputted is voltage signal, described differential amplifier obtains differential voltage according to the voltage signal of in-phase input end and inverting input, and described differential voltage amplification is sent to described processor by described output.
Preferably, the amplification coefficient of described differential amplifier is 10.
Described resistance is resistance less than the precision resister of 0.01 ohm.
Further, described resistance is that resistance is the precision resister of 0.005 ohm.
Preferably, be provided with total power value monitoring value address in described processor, be used for storing described total power value.
Further, but the scope of the monitoring value address storage power value of described total power value is 0 ~ 6.5535W.
Wherein, described processor is any in single-chip microcomputer, MCU and DSP.
Optical module supervisory circuit in the utility model, increased the monitoring of total power value on five tunnel supervisory circuits by existing optical module, therefore can realize that optical module makes corresponding conservation measures according to gross power, also can select the heat abstractor of corresponding power to dispel the heat according to the gross power of monitoring simultaneously, thereby realize energy-conservation purpose.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art.Apparently, the accompanying drawing in below describing is only embodiment more of the present utility model, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 shows the address schematic diagram of processor storage monitoring value in the SFF-8472 optical module;
Fig. 2 shows the schematic diagram of optical module supervisory circuit in the utility model;
Fig. 3 shows the schematic diagram of current monitoring circuit;
Fig. 4 shows the address schematic diagram of processor storage monitoring value in the utility model.
Embodiment
Below with reference to accompanying drawing, the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
Main thought of the present utility model is, adds that at the general supply input of optical module current monitoring circuit is to obtain the total current of optical module.The total current of the voltage of the general supply that the processor in optical module monitors by calculating and the optical module that obtains obtains the total power value of optical module, and the total consumed power value is put into monitoring value address, to realize the monitoring to the optical module gross power.
Describe the technical scheme of the utility model embodiment in detail below in conjunction with accompanying drawing.
Fig. 2 shows the schematic diagram of the optical module supervisory circuit in the utility model.As shown in Figure 2, be provided with processor 201 in optical module.Wherein, processor 201 respectively be arranged at housing in temperature sensor 202, supply voltage bleeder circuit 203, bias current observation circuit 204, the laser optical power detection circuit 205 of monitoring utilizing emitted light power and the received optical power detection circuit 206 of monitoring received optical power be connected, be used for the case temperature of monitor optical module respectively, supply voltage, laser bias current, laser utilizing emitted light power, received optical power.Simultaneous processor is provided with I2C data line interface and I2C clock line interface.In the utility model, the processor 201 in optical module is any in single-chip microcomputer, MCU and DSP.
Optical module supervisory circuit in the present embodiment also comprises current monitoring circuit 207, and current monitoring circuit 207 is connected with processor 201 and the pilot signal that obtains is sent to processor 201.The calculated signals that processor 201 sends according to current monitoring circuit 207 goes out the total current of optical module.Fig. 3 shows the schematic diagram of current monitoring circuit 207.As shown in Figure 3, current monitoring circuit 207 is arranged between external power supply and optical module total load.Current monitoring circuit 207 comprises resistance R 1 and differential amplifier 301.Wherein,
R1 is the little resistance resistance of high accuracy, and in the utility model, R1 is resistance less than the precision resister of 0.01 ohm.R1 is series in the circuit of external power supply and optical module total load.
The inverting input pin3 of differential amplifier 301 is connected with the input of resistance R 1, and the in-phase input end pin4 of differential amplifier 301 is connected with the output of resistance R 1.The output end p in1 of differential amplifier 301 is connected with processor 201.The Pin5 of differential amplifier 301, Pin2 are the power pins of differential amplifier 301.In figure, R2, R3 for coordinating differential amplifier 301 internal circuits to arrange, because differential amplifier 301 internal circuits are prior art, repeat no more herein.
The below realizes that by current monitoring circuit 207 operation principle that the optical module gross power is monitored is described in detail to processor 201.
Be series at due to resistance R 1 in the circuit of external power supply and optical module total load, the electric current that therefore flows through resistance R 1 is identical with the electric current of optical module total load, therefore record the total current that the electric current that flows through resistance R 1 can obtain the optical module total load.
In the present embodiment, the inverting input pin3 of differential amplifier 301 and the input signal of in-phase input end pin4 are voltage signal.When differential amplifier 301 was linked into R1 resistance two ends, inverting input pin3 was resistance R 1 input terminal voltage signal, and input pin4 is resistance R 1 output end voltage signal.Differential amplifier 301 obtains differential voltage according to the voltage signal of two inputs, and this differential voltage is the voltage of R1 resistance.Differential amplifier 301 sends to processor 201 with the differential voltage signal amplification that obtains by output end p in1.In the present embodiment, the amplification coefficient K of differential amplifier 301 is preferably 10.But the amplification coefficient K in utility model can be selected as required by the art personnel, and the amplification coefficient K in the present embodiment selects 10 to be exemplary, and unrestricted protection range of the present utility model.
Input to processor 201 owing to being provided with supply voltage bleeder circuit 203 in optical module for detection of supply voltage and with supply voltage U, so processor 201 can calculate the gross power of optical module by P=UI.Owing to utilizing supply voltage bleeder circuit 203 to obtain the circuit of supply voltage U and computational methods for the known technology of the art, repeat no more herein.
Fig. 4 shows the address schematic diagram of processor 201 storage monitoring values in the utility model.As shown in Figure 4, the utility model increases the monitoring value that monitoring value address 106 and 107 is used for the storage gross power on the address of original storage monitoring value.Concrete storage means is: 106,107 have 16Bits altogether, can represent the power from 0 ~ 6.5535W, and a LSB represents 0.1mW.{。##.##1},
Gross power=0.1* (MSB*256+LSB) * 0.001, unit: watt
Supervisory control system can be obtained the case temperature that needs monitoring, supply voltage, bias current, utilizing emitted light power, the concrete numerical value of received optical power and gross power by the numerical value of I 2C interface data wire reading processor 201 monitoring value addresses.
But due to the gross power parameter of the utility model monitor optical module, so the utility model can make corresponding conservation measures according to the gross power of optical module, also can select the heat abstractor of corresponding power to dispel the heat according to the gross power of monitoring
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if of the present utility model these are revised and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also comprises these changes and modification interior.
Claims (10)
1. optical module supervisory circuit, comprise processor, temperature sensor, supply voltage monitoring circuit, bias current observation circuit, laser optical power detection circuit and received optical power detection circuit, described temperature sensor, supply voltage monitoring circuit, bias current observation circuit, laser optical power detection circuit are connected with processor with the received optical power detection circuit and are connected, it is characterized in that
Be provided with the current monitoring circuit that is connected with described processor between described optical module external power supply and optical module total load, be used for obtaining the total current of described optical module;
The supply voltage that described processor obtains according to described supply voltage monitoring circuit and the total current of described optical module calculate the gross power of optical module, to realize the monitoring to the gross power of optical module.
2. optical module supervisory circuit according to claim 1, is characterized in that, described current monitoring circuit comprises a resistance and an amplifier, wherein,
Described resistance string is coupled in the circuit of described external power supply and optical module total load;
Described amplifier comprises two inputs and an output, wherein, an input is connected with the input of described resistance, another input is connected with the output of described resistance, described output is connected with described processor, and described amplifier is used for sending to described processor after monitor signal with resistance two ends amplifies.
3. optical module supervisory circuit according to claim 2, is characterized in that, described amplifier is differential amplifier.
4. optical module supervisory circuit according to claim 3, it is characterized in that, what the in-phase input end of described differential amplifier and inverting input were inputted is voltage signal, described differential amplifier obtains differential voltage according to the voltage signal of in-phase input end and inverting input, and described differential voltage amplification is sent to described processor by described output.
5. optical module supervisory circuit according to claim 4, is characterized in that, the amplification coefficient of described differential amplifier is 10.
6. optical module supervisory circuit according to claim 2, is characterized in that, described resistance is resistance less than the precision resister of 0.01 ohm.
7. optical module supervisory circuit according to claim 6, is characterized in that, described resistance is that resistance is the precision resister of 0.005 ohm.
8. optical module supervisory circuit according to claim 1, is characterized in that, is provided with total power value monitoring value address in described processor, is used for storing described total power value.
9. optical module supervisory circuit according to claim 8, is characterized in that, but the scope of the monitoring value address storage power value of described total power value is 0 ~ 6.5535W.
10. optical module supervisory circuit according to claim 1, is characterized in that, described processor is any in single-chip microcomputer, MCU and DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577832 CN202998097U (en) | 2012-11-05 | 2012-11-05 | Optical module monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577832 CN202998097U (en) | 2012-11-05 | 2012-11-05 | Optical module monitoring circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202998097U true CN202998097U (en) | 2013-06-12 |
Family
ID=48569222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220577832 Expired - Fee Related CN202998097U (en) | 2012-11-05 | 2012-11-05 | Optical module monitoring circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202998097U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078841A (en) * | 2014-07-08 | 2014-10-01 | 成都新易盛通信技术股份有限公司 | Digital open loop temperature compensation system of optical module laser device |
| CN104601221A (en) * | 2014-12-30 | 2015-05-06 | 国家电网公司 | State monitoring system for merging unit and intelligent terminal |
| CN107449469A (en) * | 2017-09-04 | 2017-12-08 | 湖北三江航天红峰控制有限公司 | Optical fiber laser state monitoring device and method |
-
2012
- 2012-11-05 CN CN 201220577832 patent/CN202998097U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078841A (en) * | 2014-07-08 | 2014-10-01 | 成都新易盛通信技术股份有限公司 | Digital open loop temperature compensation system of optical module laser device |
| CN104078841B (en) * | 2014-07-08 | 2018-02-09 | 成都新易盛通信技术股份有限公司 | A kind of optical module laser digital Open loop temperature compensation system |
| CN104601221A (en) * | 2014-12-30 | 2015-05-06 | 国家电网公司 | State monitoring system for merging unit and intelligent terminal |
| CN107449469A (en) * | 2017-09-04 | 2017-12-08 | 湖北三江航天红峰控制有限公司 | Optical fiber laser state monitoring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203551134U (en) | Multipath analog quantity industrial acquisition device | |
| CN202522915U (en) | Data acquisition system based on vibration wire type sensor | |
| CN202998097U (en) | Optical module monitoring circuit | |
| CN103049984B (en) | Combustible gas alarm instrument based on Wireless HART communication technology | |
| Islam | An intelligent system on environment quality remote monitoring and cloud data logging using Internet of Things (IoT) | |
| CN204314436U (en) | A kind of wireless type multi-section series lithium ionic battery tension real-time detecting system | |
| CN203479395U (en) | Light intensity detection device | |
| CN203101474U (en) | Electrification detector for high-voltage electric system | |
| CN104655236A (en) | Liquid level measuring system | |
| CN203385446U (en) | SHT11 based digital relative humidity and temperature detecting instrument for laboratories | |
| CN203732094U (en) | Different environmental information detector for photovoltaic power supply | |
| CN213423040U (en) | Plant liquid flow monitoring device | |
| CN202362263U (en) | Novel intelligent gas detector | |
| CN104656730B (en) | Dual path isolation constant-current type numerical-control direct-current power source | |
| CN204206279U (en) | A kind of standby power consumption of mobile phone test circuit | |
| CN202814589U (en) | Temperature inspecting instrument | |
| CN204008908U (en) | Semiconductor laser detection device, system | |
| CN207991999U (en) | High precision two line system industrial dust detection device | |
| CN208043899U (en) | A kind of transformation of low-power consumption DC high voltage linear photoconductor and isolating device | |
| CN111024193A (en) | Wireless intelligent weighing sensor system | |
| CN104460496A (en) | Numerical control constant current source circuit based on PLC | |
| CN204128593U (en) | A kind of tracer Circuits System | |
| CN104374439A (en) | Conducting liquid flow measuring system | |
| CN204330015U (en) | A kind of farmland supervisory system | |
| CN107589167A (en) | High-precision dissolved oxygen sensing instrument based on LPC1768 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20191105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |