CN202533173U - Optical power meter with USB serial communication - Google Patents
Optical power meter with USB serial communication Download PDFInfo
- Publication number
- CN202533173U CN202533173U CN2011204708406U CN201120470840U CN202533173U CN 202533173 U CN202533173 U CN 202533173U CN 2011204708406 U CN2011204708406 U CN 2011204708406U CN 201120470840 U CN201120470840 U CN 201120470840U CN 202533173 U CN202533173 U CN 202533173U
- Authority
- CN
- China
- Prior art keywords
- light source
- module
- source frequency
- signal amplification
- circuit
- 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 - Lifetime
Links
Images
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to an optical power meter with USB serial communication, comprising a detector, an analog signal conversion module, a signal amplification circuit, a light source frequency discrimination module, a singlechip control system, an USB serial port switching circuit, and a power management circuit. The detector is connected with the analog signal conversion module which is connected with the signal amplification circuit and the light source frequency discrimination module. The signal amplification circuit and the light source frequency discrimination module are connected with the singlechip. The singlechip is connected with the signal amplification circuit, the light source frequency discrimination module, and the USB serial port switching circuit. The power management circuit provides power to each of the above modules. The beneficial effects of the optical power meter are that optical power values at wavelengths of 850nm, 1300nm, 1310nm, 1490nm, 1550nm, and 1625nm can be accurately measured, and using an A/D transformation function inside the singlechip to replace an external A/D transformation module, and using USB ports to communicate with PCs, real time monitoring can be realized with upper computer software, and the circuits are simplified, and device volume and cost are reduced.
Description
Technical field
The utility model relates to a kind of instrument that light source power is detected, and relates in particular to the instrument of USB serial communication.
Background technology
Because optical fiber has bandwidth, loss is low, in light weight, antijamming capability is strong, fidelity is high, reliable working performance and characteristics such as with low cost, replaced the information traditional approach gradually in a plurality of fields such as communication, data transmission.Fibre loss is an important parameter in the optical fiber telecommunications system performance index; The size of loss value directly has influence on the overall transfer quality of optical transmission system; In optical cable construction and maintenance test; The method for testing and analyzing of utilization science, of crucial importance to improving whole cable connection construction quality and maintenance work, there is certain realistic meaning the aspects such as communication performance, sending allowance, measuring accuracy and maintenance and inspection of especially further studying optical fiber in the optical communication.
In optical fiber measurement, detecting for the power of light is the conventional sense project, is that a kind of basis is detected.Through measuring the absolute power of emission terminal or optical-fiber network, a light power meter just can be estimated the performance of light end equipment.Use with light power meter and stabilized light source combination, then can measure junction loss, check continuity, and help assessment optical fiber link transmission quality.No matter be the maintenance of ordinary optic fibre network, again or the FTTX application testing, light power meter all can be best helper.
At present, the light power meter of knowing altogether is divided into hand-held and desk-top two types, after a branch of these two types of measuring light power instrument of light input; Must be through manual operations; Its final measurement is realized through display screen, is presented on the display screen of instrument and meter, again by data under the manual record.The undue manual operations that relies on the people under the overall situation of automatic industrial develop rapidly, has limitation in modern times in the use in the whole testing process, has very big room for improvement.Utilizing that computing machine is this can be according to the modernized intelligent electronic device of program run, automatically, the high speed processing mass data becomes a trend.USB interface is fast with its data transmission, it is simple to connect, be easy to expand, support characteristics such as hot plug to become one of main mode that peripheral hardware communicates by letter with PC.
Design a kind ofly can be convenient to connect, light power meter that fast detecting has USB interface so that realize and the communicating by letter of usb host system such as PC, be the problem that the technician will solve.
Summary of the invention
The utility model technical issues that need to address have provided a kind of detecting instrument of the USB of containing serial communication; Replace original Presentation Function; Through USB interface and computer interconnection; The display light performance number is differentiated frequency values, can utilize real-time monitoring of computer and acquisition process data, is intended to address the above problem.
In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme:
The utility model comprises: detector, analog signal conversion module, signal amplification circuit, light source frequency discrimination module, single-chip computer control system, USB serial ports change-over circuit, electric power management circuit; Detector connection mode analog signal modular converter; The analog signal conversion module connects signal amplification circuit and light source frequency discrimination module; Signal amplification circuit is connected with single-chip microcomputer with the light source frequency discrimination module; Single-chip microcomputer connects signal amplification circuit, light source frequency detection module, USB serial ports change-over circuit; Electric power management circuit provides power supply for above-mentioned each module.
The beneficial effect of the utility model is: can accurately measure 850nm, 1300nm, 1310nm, 1490nm; 1550nm, the optical power value of 1625nm wavelength, the A/D translation function inner with single-chip microcomputer replaces outside A/D module, uses USB interface to communicate by letter with PC; The display module that replaces instrument cooperates upper computer software to monitor in real time, simplifies circuit, reduces the instrument volume; Reduce cost, and have high test speed, improve greatly and produce and testing efficiency.
Description of drawings
Fig. 1 is the utility model circuit module figure.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Visible by Fig. 1: the utility model comprises: detector, analog signal conversion module, signal amplification circuit, light source frequency discrimination module, single-chip computer control system, USB serial ports change-over circuit, electric power management circuit.Detector connection mode analog signal modular converter; The analog signal conversion module connects signal amplification circuit and light source frequency discrimination module; Signal amplification circuit is connected with single-chip microcomputer with the light source frequency discrimination module; Single-chip microcomputer connects signal amplification circuit, light source frequency detection module, USB serial ports change-over circuit; Electric power management circuit provides power supply for above-mentioned each module.
During the utility model work, external light source is through detector, and light signal converts analog current signal into; Again through the analog signal conversion module; Convert current signal into analog voltage signal, through signal amplification circuit and light source frequency discrimination module, its performance number and frequency information are transferred to single-chip microcomputer again; Use the inner A/D converter of single-chip microcomputer to carry out analog to digital conversion; Data are the intact USB serial ports change-over circuit that is transferred to after single-chip microcomputer is handled, and realizes the conversion of USB serial data, is transferred to host computer through the USB interface on the utility model.
Detector, signal amplification circuit, light source frequency discrimination module that the utility model adopts are prior aries.
Use the utility model; The user is after inserting light source, and the 728 type laser detectors that risen company by the Wuhan sunlight receive light source, and 728 type laser detectors convert optical power signals into current signal; The digital control analog electronic switching circuit of list 8 passages through National Semiconductor carries out the routing operation; Output terminal one end connects on the signal amplification circuit, and the other end connects the light source frequency discrimination module, and signal amplification circuit is the pre-amplification circuit solution that U.S. letter company provides; The light source frequency discrimination module is made up of signal transformation circuit and comparator circuit; Comparator circuit has used the operational amplifier of Texas Instruments to form, and the measured value of gained is an analog voltage signal, directly imports the SCM system of the MCU composition of Ai Temeier semiconductor company.
The SCM system control single chip computer carries 8 tunnel 10 ADC of peripheral hardware and carries out the A/D conversion; Convert into to be input in the singlechip CPU after the digital signal and handle; Data after the processing are exported with serial communication mode; Output terminal connects 8 control chips of Ling Yang scientific & technical corporation, realizes that serial ports changes the communication format conversion of USB.The test that the user can utilize upper computer software to be correlated with, and preserve data, can utilize the light output products report of printing function.Can control the software of the utility model of also can in time upgrading easily to system.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all implement in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (1)
1. a light power meter that has the USB serial communication is characterized in that comprising: detector, analog signal conversion module, signal amplification circuit, light source frequency discrimination module, single-chip computer control system, USB serial ports change-over circuit, electric power management circuit; Detector connection mode analog signal modular converter; The analog signal conversion module links to each other with the light source frequency discrimination module with signal amplification circuit; Signal amplification circuit is connected with single-chip microcomputer with the light source frequency discrimination module; Single-chip microcomputer links to each other with signal amplification circuit, light source frequency detection module, USB serial ports change-over circuit; Electric power management circuit provides power supply for above-mentioned each module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204708406U CN202533173U (en) | 2011-11-22 | 2011-11-22 | Optical power meter with USB serial communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204708406U CN202533173U (en) | 2011-11-22 | 2011-11-22 | Optical power meter with USB serial communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533173U true CN202533173U (en) | 2012-11-14 |
Family
ID=47134350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204708406U Expired - Lifetime CN202533173U (en) | 2011-11-22 | 2011-11-22 | Optical power meter with USB serial communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991870A (en) * | 2015-06-10 | 2015-10-21 | 四川华拓光通信股份有限公司 | Optical communication apparatus interface accessing method free of driver based on HID |
-
2011
- 2011-11-22 CN CN2011204708406U patent/CN202533173U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991870A (en) * | 2015-06-10 | 2015-10-21 | 四川华拓光通信股份有限公司 | Optical communication apparatus interface accessing method free of driver based on HID |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204481817U (en) | Optical module parameter testing equipment | |
| CN102158277A (en) | Automatic optical module send-receive integrated test system | |
| CN202978941U (en) | Echo loss test analyzer of multichannel optical divider | |
| CN103323106A (en) | Light power testing system | |
| CN110445538A (en) | A kind of optical module multiple channel test system | |
| CN201130428Y (en) | Optic fiber gyroscope data acquisition model based on FPGA | |
| CN2814813Y (en) | Optical network comprehensive tester | |
| CN103413747A (en) | Space plasma measuring device | |
| CN202267591U (en) | Jumper wire test system with MPO connector | |
| CN202420549U (en) | Transformer multi-parameter fiber on-line monitoring system | |
| CN102435219A (en) | Aerospace camera focusing encoder debugging, measurement and control system | |
| CN202533173U (en) | Optical power meter with USB serial communication | |
| CN102384840A (en) | System for testing jumper wire with MPO connector | |
| CN202043109U (en) | Automatic testing system of optical module integrated with transmission and reception | |
| CN210953326U (en) | Relay protection multi-channel optical fiber intelligent tester | |
| CN105911394B (en) | PIN-FET light-receiving component Auto-Test System | |
| CN104935376A (en) | Optical power measuring device | |
| CN103384166B (en) | The fiber port line order tester of Optical Access Network | |
| CN203178063U (en) | LED color coordinate test system | |
| CN104993865A (en) | Multifunctional optical fiber test instrument | |
| CN109309527A (en) | Optical power measuring device | |
| CN204836173U (en) | Multi -functional fiber test appearance | |
| CN103376156A (en) | Optical power collection system with software | |
| CN209201081U (en) | Fiber optical transceiver twisting loss detection device | |
| CN203883838U (en) | Multichannel optical power meter used for automatically testing tapering optical branching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |