CN209400071U - A kind of SFP formula light power meter - Google Patents
A kind of SFP formula light power meter Download PDFInfo
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- CN209400071U CN209400071U CN201821859649.9U CN201821859649U CN209400071U CN 209400071 U CN209400071 U CN 209400071U CN 201821859649 U CN201821859649 U CN 201821859649U CN 209400071 U CN209400071 U CN 209400071U
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- power meter
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Abstract
The utility model relates to a kind of SFP formula light power meters, it is encapsulated using standard SFP, it is identical as common standard SFP optical module in structure, the photodetector, signal amplifier, control module, the bluetooth module that realize optical detection function are arranged in the shell of standard SFP encapsulation, are not provided with display unit, internal power supply unit, control input unit；It is powered by SFP backplane interface.Compared with con-ventional handheld light power meter, the utility model reduces display unit, control input unit, power supply unit, and volume substantially reduces, easily portable；Cost is greatly reduced, and power consumption is also greatly reduced.In use, the occupancy to space is identical as common standard SFP optical module, space requirement is minimum；Meanwhile also embodying the utility model feature small in size.
Description
Technical field
The utility model relates to a kind of light power meters, more specifically to a kind of SFP formula light power meter.
Background technique
With 4G/5G wireless network, and in the fast development of big data cloud business, optical communication technique is also developed rapidly,
And access net is gradually sunk to, optical fiber also gradually extends to building, roadside, family, base station, desktop, and optical communication equipment quantity refers to
Number increases, and light power meter is the main means of optical communication equipment installation and maintenance.
Currently used light power meter is primarily to facilitate hand-held optical power gauge used in engineering outdoors, hand-held light
The usually included liquid crystal display of power meter, key and battery portion, are respectively used to display, control and power supply.Due to display
Screen and key control unit and power supply unit, volume is big, and power consumption is high, at high cost.
For example, Chinese utility model patent application 201620216402.X discloses a kind of novel modularized light power meter,
It include: optical fiber interface, for acquiring optical signal；Data conversion and processing module are connect with the optical fiber interface, for described
Optical signal carries out conversion and processing obtains optical power data；Communication module connect with the data conversion with processing module, is used for
The optical power data are sent to display terminal to show.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of compact, low cost, low function are provided
Consumption, SFP formula light power meter easy to use.
The technical solution of the utility model is as follows:
A kind of SFP formula light power meter, including shell, and it is set to the intracorporal photodetector of shell, signal amplifier, control
Molding block, bluetooth module, photodetector, signal amplifier, control module, bluetooth module are sequentially connected；Light power meter is not set
Set display unit, internal power supply unit, control input unit；It is encapsulated using standard SFP, is provided with SFP backplane interface, transmitting
Sidelight mouth, receiving side optical port, are powered by SFP backplane interface.
Preferably, the antenna of bluetooth module is set to inside idle emitting side optical port.
Preferably, integrated computation unit and analog-digital converter in control module.
Preferably, the signal amplifier uses logafier ADL5310.
The beneficial effects of the utility model are as follows:
SFP formula light power meter described in the utility model, using SFP technology, Bluetooth technology, with current common hand-held light
Power meter is compared, and is had the advantages that
1, compact: compared with con-ventional handheld light power meter, the utility model reduces display unit and (passes through mobile phone
APP shows to substitute), reduce control input unit (controlling by cell phone application), reduces power supply unit (by SFP backboard
Interface power supply), therefore volume substantially reduces, it is easily portable.
2, low cost, low-power consumption: compared with con-ventional handheld light power meter, which save display units (to pass through cell phone application
Display is to substitute), reduce control input unit (controlling by cell phone application), reduces power supply unit and (pass through SFP backplane interface
Power supply), cost is greatly reduced, and power consumption is also greatly reduced, typical power consumption only 0.3W.
3, easy to use: the wireless communication based on Bluetooth technology is shown and is controlled by cell phone application, in wechat
Small routine, it is easy to operate intuitive, number display and histogram can be supported shows according to demand is implemented, support historical data
It saves, historical data curve display supports multiple measurement data.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model；
Fig. 2 is the structural block diagram of control unit；
In figure: 10 be photoelectric controller, and 11 be signal amplifier, and 12 be control module, and 121 be arithmetic element, and 122 be mould
Number converter, 13 be bluetooth module.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Volume of the existing technology is big, inconvenient to carry, at high cost, power consumption is big, using not in order to solve for the utility model
Just the deficiencies of, provides a kind of SFP formula light power meter, as shown in Figure 1, including shell, and is set to the intracorporal photodetection of shell
Device 10, signal amplifier, control module 12, bluetooth module 13, photodetector 10, signal amplifier, control module 12, bluetooth
Module 13 is sequentially connected；Light power meter is not provided with display unit, internal power supply unit, control input unit；Using standard SFP
Encapsulation, is provided with SFP backplane interface, emitting side optical port, receiving side optical port, is powered by SFP backplane interface.This is practical new
Type is due to being encapsulated using standard SFP, i.e., identical as common standard SFP optical module in structure, will realize the light of optical detection function
Electric explorer 10, signal amplifier, control module 12, bluetooth module 13 are arranged in the shell of standard SFP encapsulation, in use,
Identical as common standard SFP optical module to the occupancy in space, space requirement is minimum；Meanwhile also embodying the utility model body
The small feature of product.
Wherein, photodetector 10: for realizing the light-to-current inversion of optical signal, corresponding electric current is converted by light intensity signal
Signal；
Signal amplification unit 11: the current signal for sending photodetector 10 is converted into voltage signal, and carries out
Amplification, the present embodiment are 60dB using logafier ADL5310, optical power dynamic monitoring range, meet light power meter
Monitoring range demand；
Control module 12: as shown in Fig. 2, integrated computation unit 121 (such as CPU, MCU, single-chip microcontroller) in control module 12
With analog-digital converter 122, first passes through it and is internally integrated the voltage signal that analog-digital converter 122 sends signal amplification unit 11,
Analog to digital conversion and sampling are carried out, the corresponding voltage value of optical power of current detection is obtained, after storage, gives wireless blue tooth module
13；
Bluetooth module 13: the data that control module 12 is sent are transferred out by wireless blue tooth；
Cell phone application: in the present embodiment, using the small routine of wechat in smart phone, by bluetooth received optical power data,
It is shown in interface, and various software function is provided, the real-time display of such as current measurement optical power (including histogram is shown, with
And digital-scroll technique), optical power alarming threshold value setting, optical power storage of history data P, historical data curve display repeatedly measures number
According to analysis (including maximum value, minimum value and average value), optical power data is supported to export excel.
The corresponding signal flow of the utility model is the receiving side optical port of the utility model will to be connected to light signal,
It is photodetector 10 inside receiving side optical port, photodetector 10 converts current signal for light intensity signal, is sent to signal
Amplifying unit 11, after current signal is converted to voltage signal by signal amplification unit 11, amplification is sent to the modulus of control module 12
Converter 122, arithmetic element 121 read the corresponding voltage data of optical power intensity from its AD conversion unit, are directly fed to
Bluetooth module 13, and be sent in cell phone application by bluetooth.
The purpose of the utility model is to provide a kind of new structural light power meter, needed for the optical power detection being directed to
The software process or software approach wanted, are all made of the prior art and are realized, are not belonging to the protection scope of the requires of the utility model.
Since the shell of standard SFP encapsulation is metal, bluetooth wireless signal is shielded in the inside of the utility model, in order to
In the present embodiment, using idle emitting side optical port, the antenna of bluetooth module 13 is arranged for the shielding problem for solving wireless signal
Inside idle emitting side optical port.
Due to the inconsistency of photodetector 10, the utility model when leaving the factory, also needs to execute optical power internal calibration
Process.Stable standard 1310nm light source can be used in calibration process.Steps are as follows:
1, calibration mode is entered by power user in cell phone application.According to cell phone application calibration mode guide, successively grasp
Make；
2, SFP formula light power meter is inputted using 0dBm standard sources, corresponding voltage value is obtained by cell phone application, remembered
Record is P (0dBm)；
3, SFP formula light power meter is inputted using -15dBm standard sources, corresponding voltage value is obtained by cell phone application,
It is recorded as P (- 15dBm)；
4, SFP formula light power meter is inputted using -30dBm standard sources, corresponding voltage value is obtained by cell phone application,
It is recorded as P (- 30dBm)；
5, fitted calibration button is finally clicked, cell phone application will be according to above-mentioned 3 numerical value, and carry out curve fitting calibration, such as school
Quasi- failure, then prompt re-executes calibration.
Above-described embodiment is intended merely to illustrate the utility model, and is not used as the restriction to the utility model.As long as
According to the technical essence of the utility model, above-described embodiment is changed, modification etc. will all fall in the right of the utility model
In the range of it is required that.
Claims (4)
1. a kind of SFP formula light power meter, which is characterized in that including shell, and be set to the intracorporal photodetector of shell, signal
Amplifier, control module, bluetooth module, photodetector, signal amplifier, control module, bluetooth module are sequentially connected；Light function
Rate meter is not provided with display unit, internal power supply unit, control input unit；It is encapsulated using standard SFP, is provided with SFP backboard
Interface, emitting side optical port, receiving side optical port, are powered by SFP backplane interface.
2. SFP formula light power meter according to claim 1, which is characterized in that the antenna of bluetooth module is set to idle
Inside emitting side optical port.
3. SFP formula light power meter according to claim 1, which is characterized in that integrated computation unit and mould in control module
Number converter.
4. SFP formula light power meter according to any one of claims 1 to 3, which is characterized in that the signal amplifier is adopted
With logafier ADL5310.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859649.9U CN209400071U (en) | 2018-11-12 | 2018-11-12 | A kind of SFP formula light power meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859649.9U CN209400071U (en) | 2018-11-12 | 2018-11-12 | A kind of SFP formula light power meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209400071U true CN209400071U (en) | 2019-09-17 |
Family
ID=67879781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821859649.9U Active CN209400071U (en) | 2018-11-12 | 2018-11-12 | A kind of SFP formula light power meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209400071U (en) |
-
2018
- 2018-11-12 CN CN201821859649.9U patent/CN209400071U/en active Active
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