CN205002952U - Testing arrangement of two -way loss of optic fibre with pronunciation communication function - Google Patents
Testing arrangement of two -way loss of optic fibre with pronunciation communication function Download PDFInfo
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- CN205002952U CN205002952U CN201520674066.9U CN201520674066U CN205002952U CN 205002952 U CN205002952 U CN 205002952U CN 201520674066 U CN201520674066 U CN 201520674066U CN 205002952 U CN205002952 U CN 205002952U
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Abstract
The utility model provides a testing arrangement of two -way loss of optic fibre with pronunciation communication function. This testing arrangement is including light communication unit and electric signal processing unit, light communication unit includes a light detector, the 2nd light detector and laser instrument, electricity signal processing unit includes control module, the 2nd light detector is used for sending behind the light signal conversion who monitors for control module, and control module control laser instrument sends the light signal of the information of carrying the performance number, a light detector sends for control module after being used for the light signal conversion with the information of performance number of carrying of monitoring, thereby control module is according to this light signal of smooth acquisition of signal of carrying performance number information, and performance number and the performance number calculation when receiving when launching obtains power consumption. The beneficial effects of the utility model are that: realized the testing capabilities of the two -way loss of optic fibre, but the output of real -time supervision light source does not receive the influence of laser stability, more be fit for the strange land and measure to can carry out the pronunciation communication.
Description
Technical field
The utility model relates to the technical field of measurement and test of fibre loss, particularly a kind of proving installation with the optical fiber bidirectional loss of speech communication function.
Background technology
Along with the development of information age, the develop rapidly of data service, user is to the further increase of bandwidth demand, and because optical fiber link is to the huge advantage meeting high bandwidth aspect, the use of optical fiber gets more and more.For providing more services to meet the demand of client, along with the extensive application of wavelength-division system, equipment, to the requirement of fibre circuit transmission quality also corresponding raising, therefore will carry out two-way loss test to fibre circuit.Because optical fiber cable itself makes, optical fiber exists that thickness is uneven waits congenital defect, and these defects can cause circuit to there are differences from A to the loss on B ground, and general distance is far away, and optical fiber quality is poorer, and difference value is also larger.The communication of optical cable is two-way, so be necessary to carry out two-way test to circuit.
At present, traditional method of testing be by independently light source and independently light power meter match and carry out the double-wavelength testing method of fibre loss, due in the fiber optic network of reality, optical fiber two ends may at a distance of dozens of kilometres or several hundred kilometers, test two ends all need tester, and the change of environment is very large on the impact of light source, change is environmentally needed to reset reference value, if fiber lengths be several kilometers to hundreds of kilometer time, tester can not face-to-face exchange, two places staff will be with a light source and a power meter respectively, need the tester reference value of setting being informed the other end simultaneously, need again when informing to adopt special voice-communication device.This method of testing complicated operation, easily makes mistakes again, poor user experience.
In addition, from the beginning optical fiber network deployment, at construction or installation phase, must hold final user and rightabout test on optical fiber.The two-way loss value of measuring fiber, the object of test is integrity authentication link, and traditional light power meter and light source cannot be tested automatically.
Utility model content
The defect that the technical problems to be solved in the utility model is the unidirectional testability of proving installation in order to overcome fibre loss in prior art, complicated operation, Measurement reliability are poor, repeatedly need arrange reference value and poor user experience, provides a kind of proving installation with the optical fiber bidirectional loss of speech communication function.
The utility model solves above-mentioned technical matters by following technical proposals:
There is a proving installation for the optical fiber bidirectional loss of speech communication function, be characterized in, comprise optical communication element and electric signal processing unit;
Optical communication element comprises the first photo-detector, the second photo-detector and laser instrument, and laser instrument is electrically connected with the second photo-detector;
Electric signal processing unit comprises control module;
Second photo-detector is for first light signal of monitoring laser instrument and launching and convert the first light signal monitored to corresponding first electric signal and send to control module, and the first electric signal carries the information of performance number when the first light signal is launched;
Control module is for receiving the first electric signal and the information-driven laser instrument of performance number entrained by the first electric signal launches corresponding light signal, and wherein, light signal carries the information of performance number when the first light signal is launched;
First photo-detector sends to control module for monitoring reception second light signal and the second light signal being converted to corresponding second electric signal, and the second light signal carries the information of performance number when the second light signal is launched.
In the utility model, carry the second light signal of the information of performance number by the first photo-detector reception of this proving installation and acquire power attenuation by control module, in addition, control laser instrument by control module and send the light signal carrying performance number information, thus realize the measurement of optical fiber bidirectional loss.That is, arbitrary proving installation in the proving installation at testing fiber two ends sends the corresponding light signal carrying the information of performance number, the proving installation of the other end receives this light signal and can obtain power attenuation, realize the measurement of optical fiber bidirectional loss, and can Real-Time Monitoring light source export performance number, the not impact of Stimulated Light device stability, makes simple and reliable and without the need to arranging reference value by the test of this proving installation to fibre loss.
Preferably, optical communication element also comprises optical interface module, optical interface module is 2 × 2 type optical branching devices, and two interfaces of one end of 2 × 2 type optical branching devices are connected with the first photo-detector and laser instrument respectively, and an interface of the other end of 2 × 2 type optical branching devices is connected with the second photo-detector.
The technical program is by other model calling in this optical interface module and optical communication element, improve the integrated level of this proving installation, making staff when carrying out optical fiber bidirectional loss test, without the need to repeatedly connecting fiber and proving installation repeatedly, improve the convenience of test operation.
Preferably, the second photo-detector is full wavelength detector.
In the technical program, the operation wavelength of laser instrument improves the generalization degree that test has the proving installation of the optical fiber bidirectional loss of speech communication function in the operating wavelength range of the first photo-detector; Because the impact of environmental change on laser instrument is large, by the second photo-detector, Real-Time Monitoring realization is carried out to the accuracy of optical fiber bidirectional loss test and reliability to the power of the light signal that laser instrument is launched, and compared with prior art, overcome the defect that reference value need be set.
Preferably, electric signal processing unit also comprises audio coding decoding module; Audio coding decoding module is for receiving the steering order of control module and carrying out encoding and decoding to the signal of input.
In the technical program, this audio coding decoding module is used for carrying out encoding and decoding to the voice signal of input, realizes the input and output of voice signal, thus realizes the communication function of this proving installation.
Preferably, control module comprises Data Control process submodule, audio frequency transmitting-receiving submodule, data sub module stored, light source driven element module, current signal amplification submodule and analog to digital conversion submodule, and audio frequency transmitting-receiving submodule, data storage submodule are fast, light source driven element module, current signal amplify submodule and analog to digital conversion submodule is all electrically connected with Data Control process submodule; Audio frequency transmitting-receiving submodule is for receiving the electric signal of the first photo-detector generation and converting digital signal to, and by the digital data transmission after conversion to audio coding decoding module, and drive laser produces corresponding light signal; Light source driven element module produces corresponding light signal for the control signal receiving Data Control process submodule with drive laser; Current signal amplifies submodule for receiving the current signal of the first photo-detector and the generation of the second photo-detector and amplifying current signal and be converted to voltage signal; The voltage signal that analog to digital conversion submodule is used for amplifying current signal submodule generation gathers and carries out analog to digital conversion; The data that data sub module stored is used for receiving data control treatment submodule and processing store.
Preferably, proving installation also comprises audio frequency input-output unit and display unit, and audio frequency input-output unit and display unit are all electrically connected with electric signal processing unit; Audio frequency input-output unit is used for voice signal to become electric signal transmission to electric signal processing unit, and the electric signal that electric signal processing unit exports is converted to voice signal; Display unit is used for display measurement result and operating parameter information.
Preferably, proving installation also comprises input detection unit, and input detection unit is button detecting unit or touch control detecting unit.
Positive progressive effect of the present utility model is: the utility model achieves the proving installation of the optical fiber bidirectional loss with speech communication function, can the output power of Real-Time Monitoring light source, the not impact of Stimulated Light device stability, without the need to arranging reference value, be more suitable for strange land to measure, and can speech communication be carried out, simplify testing procedure and improve the reliability of testing, easy to operate, drastically increase Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the theory structure block diagram with the proving installation of the optical fiber bidirectional loss of speech communication function of the utility model embodiment 1.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Embodiment 1
As shown in Figure 1, the proving installation with the optical fiber bidirectional loss of speech communication function described in the present embodiment comprises optical communication element 1, electric signal processing unit 2, audio frequency input-output unit 3, display unit 4 and input detection unit 5, and optical communication element 1, audio frequency input-output unit 3, display unit 4 and input detection unit 5 are all electrically connected with electric signal processing unit.
Optical communication element 1 comprises the first photo-detector 11, second photo-detector 12, laser instrument 13 and optical interface module 14, first photo-detector 11, second photo-detector 12, and laser instrument 13 is all connected with optical interface module 14, the second photo-detector 12 is connected with laser instrument 13.
This optical interface module 14 is 2 × 2 type optical branching devices, this 2 × 2 type optical branching device is fused tapered optical branching device, the splitting ratio of this 2 × 2 type optical branching device is 50:50, two interfaces of one end of this light 2 × 2 type optical branching device are connected with the first photo-detector 11 and laser instrument 13 respectively, an interface of the other end is connected with the second photo-detector 12, another interface is FC/PC optical fiber interface (FC, FerruleConnector, contact pin connector; PC, PhysicalConnection, physical connector).
First photo-detector 11 and the second photo-detector 12 are in-Ga-As photoelectric detector, effective detection diameter of the first photo-detector 11 is 75 microns, effective detection diameter of the second photo-detector is 300 microns, laser instrument 13 selects FP (Fabre-Perot, Fabry Perot) semiconductor laser, the operation wavelength of laser instrument 13 is in the operating wavelength range of the first photo-detector, the operation wavelength of laser instrument 13 is 1310nm ± 20nm and 1550nm ± 20nm, the operation wavelength of the first photo-detector 11 is 1260nm ~ 1360nm and 1535nm ~ 1565nm, second wave length detector is full wavelength detector, operation wavelength is 800nm ~ 1700nm.
First photo-detector 11, second photo-detector 12, laser instrument 13 are not limited to the above with selecting of optical interface module 14, repeat no longer one by one here.
In the present embodiment, electric signal processing unit comprises control module 20 and audio coding decoding module 21.
Second detector 12 is for first light signal of monitoring laser instrument 13 and launching and convert the first light signal detected to corresponding first electric signal and send to control module 20.
Control module 20 for receiving the first electric signal to obtain performance number when the first light signal is launched as the first performance number, and controls laser instrument 13 and launches corresponding light signal, and wherein, light signal carries the information of the first performance number.
First photo-detector 11 sends to control module 20 for monitoring reception second light signal and the second light signal being converted to corresponding second electric signal, and the second light signal carries the information of performance number when the second light signal is launched.
Control module 20 is also for processing the second electric signal, to obtain performance number when the second light signal is received as the second performance number, and the performance number obtained when the second light signal is launched is as the 3rd performance number, and calculate power attenuation according to the second performance number and the 3rd performance number.
In the present embodiment, audio coding decoding module 21 is for receiving the steering order of control module 20 and carrying out encoding and decoding to the signal of input.
In the present embodiment, control module 20 comprises Data Control process submodule 201, audio frequency transmitting-receiving submodule 202, current signal amplification submodule 203, analog to digital conversion submodule 204, light source driven element module 205 and data sub module stored 206, and audio frequency transmitting-receiving submodule 202, current signal amplify submodule 203, analog to digital conversion submodule 204, light source driven element module 205 and data sub module stored 206 and be all electrically connected with Data Control process submodule 201.
Audio frequency transmitting-receiving submodule 202 is for receiving the electric signal of the first photo-detector 11 generation and converting digital signal to, and by the digital data transmission after conversion to audio coding decoding module 21, and drive laser 13 produces corresponding light signal.
Light source driven element module 205 produces corresponding light signal for the control signal receiving Data Control process submodule 201 with drive laser 13.
Current signal amplifies submodule 203 for receiving the current signal of the first photo-detector 11 and the generation of the second photo-detector 12 and amplifying current signal and be converted to voltage signal.
Analog to digital conversion submodule 204 gathers for voltage signal current signal being amplified to submodule 203 generation and carries out analog to digital conversion.
Data sub module stored 206 stores for the data receiving data control treatment submodule 201 and process.This Data Control process submodule 201 can be single-chip microcomputer, fpga chip or arm processor.
The electric signal that electric signal processing unit 2 exports for voice signal being become electric signal transmission to electric signal processing unit 2, and is converted to voice signal by audio frequency input-output unit 3.This audio frequency input-output unit 3 is microphone and earphone.
Display unit 4 is for display measurement result and operating parameter information, and measurement result operating parameter information is power attenuation, operation wavelength, emissive power, received power etc., and this display unit is LCDs.
Input detection unit 5 is button detecting unit or touch control detecting unit.This button detecting unit obtains input information by the action detecting button.Touch control detecting unit combines by realizing touch operation on touch display screen with display unit, and obtains the input information of touch operation generation.
Adopt the two-way loss of above-mentioned proving installation measuring fiber, be respectively connected with a proving installation at testing fiber two ends, be respectively the first proving installation and the second proving installation.
The test process of optical fiber bidirectional loss is as follows:
The process of the first proving installation utilizing emitted light signal is as follows:
First proving installation selects specific wavelength L1 by button or touch-screen, and input detection unit 5 is button detecting unit or touch control detecting unit, and the information detected is sent to Data Control process submodule 201 by input detection unit 5.Data Control process submodule 201 produces according to the input information received the steering order that emission wavelength is the light signal of L1, and this steering order is transferred to light source driven element module 205, light source driven element module 205 receives this steering order and produces light signal that drive singal drive laser 13 emission wavelength is L1 and exported by optical interface module 14, and wavelength is that the light signal of L1 is set to the first light signal.
Meanwhile, the first light signal that laser instrument 13 is launched monitored by the second detector 12, and the second detector 12 carries out opto-electronic conversion to this first light signal and forms the first current signal and export to current signal amplification submodule 203.Current signal amplifies submodule 203 and is amplified by this first current signal and be transformed to the first voltage signal, and Data Control process submodule 201 controls analog to digital conversion submodule 204 and gathers the first voltage signal and carry out analog to digital conversion.Collection and the digital signal after changing are sent to Data Control process submodule 201 and are the first performance number by Data Control process submodule 201 performance number calculated when the first light signal is launched by analog to digital conversion submodule 206.
The information input audio frequency transmitting-receiving submodule 202 carrying the first performance number that Data Control process submodule 201 will obtain, audio frequency transmitting-receiving submodule 202 receives this information and drive laser 13 produces wavelength is that the light signal of L1 sends to the second proving installation as the 4th light signal by optical interface module 14, and the 4th light signal is the light signal of the information carrying the first performance number.
The process of the second proving installation receiving optical signals is as follows:
First photo-detector 11 of the second proving installation is carried out opto-electronic conversion by the FC/PC interface of optical interface module 14 form the 4th current signal to the 4th light signal, and the 4th light signal and the 4th current signal all carry the information of the first performance number.The 4th current signal received sends to the audio frequency transmitting-receiving submodule 202 of the second proving installation and current signal to amplify submodule 203 by the second photo-detector 12 of the second proving installation.
Wavelength that first proving installation sends is performance number i.e. first performance number of the light signal of L1 to send to the Data Control process submodule 201 of the second proving installation, Data Control process submodule 201 to acquire after 4th current signal is transformed into digital signal by audio frequency transmitting-receiving submodule 202.
Current signal amplifies submodule 203 and is amplified by the 4th current signal and be transformed to the 4th voltage signal, and Data Control process submodule 201 controls analog to digital conversion submodule 204 and gathers the 4th voltage signal and carry out analog to digital conversion.Collection and the digital signal after changing are sent to Data Control process submodule 201 to analog to digital conversion submodule 206 and the performance number obtained when the 4th light signal is received by the second proving installation is the 4th performance number by Data Control process submodule 201.
Thus, power attenuation value when Data Control process submodule 201 acquires that on the optical fiber between the first proving installation and the second proving installation, transmission wavelength is the light signal of L1.
This power attenuation value is transferred in data sub module stored 206 and stores by the Data Control process submodule 201 of the second proving installation, and shows on display unit 4.
The process of the second proving installation utilizing emitted light signal is as follows
Second proving installation selects specific wavelength L2 by button or touch-screen, and the information detected is sent to Data Control process submodule 201 by input detection unit 5.Data Control process submodule 201 produces according to the input information received the steering order that emission wavelength is the light signal of L2, and this steering order is transferred to light source driven element module 205, light source driven element module 205 receives this steering order and produces light signal that drive singal drive laser 13 emission wavelength is L2 and exported by optical interface module 14, and wavelength is that the light signal of L2 is set to the 5th light signal.
Meanwhile, the 5th light signal that laser instrument 13 is launched monitored by the second detector 12, and the 5th light signal that laser instrument 13 is launched carries out opto-electronic conversion formation the 5th current signal by the second detector 12 and exports to current signal amplification submodule 203.Current signal amplifies submodule 203 and is amplified by the 5th current signal and be transformed to the 5th voltage signal, and Data Control process submodule 201 controls analog to digital conversion submodule 204 and gathers the 5th voltage signal and carry out analog to digital conversion.Collection and the digital signal after changing are sent to Data Control process submodule 201 and are the 3rd performance number by Data Control process submodule 201 performance number calculated when the 5th light signal is launched by analog to digital conversion submodule 206.
The information input audio frequency transmitting-receiving submodule 202 carrying the 3rd performance number that Data Control process submodule 201 will obtain, audio frequency transmitting-receiving submodule 202 receives this information and drive laser 13 produces wavelength is that the light signal of L2 sends to the second proving installation as the second light signal by optical interface module 14, and this second light signal carries the light signal of the information of the 3rd performance number.
The process of the first proving installation receiving optical signals is as follows:
First photo-detector 11 of the first proving installation is by the FC/PC interface of optical interface module 14 to the second light signal and to carry out opto-electronic conversion be the second current signal, and this second light signal and the second current signal all carry the information of the 3rd performance number.The second current signal received sends to the audio frequency transmitting-receiving submodule 202 of the first proving installation and current signal to amplify submodule 203 by the second photo-detector 12 of the first proving installation.
Send to the Data Control process submodule 201 of the first proving installation after this second current signal is transformed into digital signal by audio frequency transmitting-receiving submodule 202, Data Control process submodule 201 acquires the first proving installation and sends performance number i.e. the 3rd performance number that wavelength is the light signal of L2.
Current signal amplifies submodule 203 and is amplified by this second current signal and be transformed to the second voltage signal, and Data Control process submodule 201 controls analog to digital conversion submodule 204 and gathers the second voltage signal and carry out analog to digital conversion.Collection and the digital signal after changing are sent to Data Control process submodule 201 to analog to digital conversion submodule 206 and the performance number obtained when the second light signal is received by the first proving installation is the second performance number by Data Control process submodule 201.
Thus, power attenuation value when Data Control process submodule 201 acquires that on the optical fiber between the first proving installation and the second proving installation, transmission wavelength is the light signal of L2.
This power attenuation value is transferred in data sub module stored 206 and stores by the Data Control process submodule 201 of the first proving installation, and shows on display unit 4.
It should be noted that, wavelength L1 and L2 can be equal, also can be unequal.And in the process of test, the first proving installation and the second proving installation send light signal and notify that the other side is with the validity of confirmation, avoids error code to affect measurement result after receiving light signal.
In the present embodiment, realize the test to optical fiber bidirectional loss by above-mentioned proving installation, without the need to arranging different reference value according to varying environment, also without the need to repeatedly carrying out the connection of equipment, integrated level is high, simplifies the setup step and improves the reliability of test, easy to operate.
In addition, can realize speech communication by above-mentioned proving installation, the course of work of speech communication is as follows:
The voice signal output procedure of the first proving installation is as follows:
First proving installation obtains the acoustic information of first user by audio frequency input-output unit 3 and this acoustic information is converted to the first voice signal and this first voice signal is sent to audio coding decoding module 21.Data Control process submodule 201 controls audio coding decoding module 21 and carries out coding formation coded signal to the first voice signal, and this coded signal sends to audio frequency to receive and dispatch submodule 202 by audio coding decoding module 21.Audio coding decoding module 202 converts this coded signal and the signal after conversion is sent to laser instrument 13, and this signal is transformed into that to have first wave length be accordingly that the light signal of L3 is launched by laser instrument 13.
The receiving course of the voice signal of the second proving installation is as follows:
First photo-detector 11 of the second proving installation receives to be had light signal that first wave length is L3 and this light signal is converted to corresponding current signal and sends to audio frequency to receive and dispatch submodule fast 202, audio frequency transmitting-receiving submodule 202 to this current signal convert by conversion after signal send to audio coding decoding module 21 carry out decoding export, audio frequency input-output unit 3 receive this decoding export signal and this signal is converted to the first proving installation typing voice signal supply the second user listen to.
Similarly, the sound of the second user changes the second voice signal into by the second proving installation coding, and the second voice signal is converted to have second wave length be that the light signal of L4 exports to the first proving installation, first proving installation receives to have light signal that second wave length is L4 and the decoding of this light signal is converted to the second voice signal and exports, and the second voice signal is converted to voice signal by audio frequency input-output unit and listens to for first user.Thus achieve the strange land duplex voice communication function of two proving installations, drastically increase the practicality of this proving installation, improve Consumer's Experience.
In sum, the test to optical fiber bidirectional loss is realized by above-mentioned proving installation, without the need to arranging different reference value according to varying environment, also without the need to repeatedly carrying out the connection of equipment, integrated level is high, simplifies the setup step and improves the reliability of test, easy to operate, and strange land speech communication function can be realized, drastically increase Consumer's Experience.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (7)
1. there is a proving installation for the optical fiber bidirectional loss of speech communication function, it is characterized in that, comprise optical communication element and electric signal processing unit;
Described optical communication element comprises the first photo-detector, the second photo-detector and laser instrument, and described laser instrument is electrically connected with described second photo-detector;
Described electric signal processing unit comprises control module;
Described second photo-detector is for first light signal of monitoring described laser instrument and launching and convert described first light signal monitored to corresponding first electric signal and send to described control module, and described first electric signal carries the information of performance number when described first light signal is launched;
Described control module is for receiving described first electric signal and described in the information-driven of performance number entrained by described first electric signal, laser instrument launches corresponding light signal, wherein, described light signal carries the information of performance number when the first light signal is launched;
Described first photo-detector sends to described control module for monitoring reception second light signal and converting described second light signal to corresponding second electric signal, and described second light signal carries the information of performance number when described second light signal is launched.
2. there is the proving installation of the optical fiber bidirectional loss of speech communication function as claimed in claim 1, it is characterized in that, described optical communication element also comprises optical interface module, described optical interface module is 2 × 2 type optical branching devices, two interfaces of one end of described 2 × 2 type optical branching devices are connected with described first photo-detector and described laser instrument respectively, and an interface of the other end of described 2 × 2 type optical branching devices is connected with described second photo-detector.
3. have the proving installation of the optical fiber bidirectional loss of speech communication function as claimed in claim 1, it is characterized in that, described second photo-detector is full wavelength detector.
4. have the proving installation of the optical fiber bidirectional loss of speech communication function as claimed in claim 1, it is characterized in that, described electric signal processing unit also comprises audio coding decoding module;
Described audio coding decoding module is for receiving the steering order of described control module and carrying out encoding and decoding to the signal of input.
5. there is the proving installation of the optical fiber bidirectional loss of speech communication function as claimed in claim 4, it is characterized in that, described control module comprises Data Control process submodule, audio frequency transmitting-receiving submodule, data sub module stored, light source driven element module, current signal amplification submodule and analog to digital conversion submodule, and described audio frequency transmitting-receiving submodule, described data store submodule fast, described light source driven element module, described current signal amplification submodule and described analog to digital conversion submodule and are all electrically connected with described Data Control process submodule;
Digital data transmission after conversion, for receiving the electric signal of described first photo-detector generation and converting digital signal to, is given described audio coding decoding module, and is driven described laser instrument to produce corresponding light signal by described audio frequency transmitting-receiving submodule;
Described light source driven element module produces corresponding light signal for the control signal receiving Data Control process submodule to drive described laser instrument;
Described current signal amplifies submodule for receiving the current signal of described first photo-detector and described second photo-detector generation and amplifying described current signal and be converted to voltage signal;
The voltage signal that described analog to digital conversion submodule is used for amplifying described current signal submodule generation gathers and carries out analog to digital conversion;
The data that described data sub module stored is used for described Data Control process submodule receives store.
6. there is the proving installation of the optical fiber bidirectional loss of speech communication function as claimed in claim 1, it is characterized in that, described proving installation also comprises audio frequency input-output unit and display unit, and described audio frequency input-output unit and described display unit are all electrically connected with described electric signal processing unit;
Described audio frequency input-output unit is used for voice signal being become electric signal transmission to described electric signal processing unit, and the electric signal that described electric signal processing unit exports is converted to voice signal;
Described display unit is used for display measurement result and operating parameter information.
7. have the proving installation of the optical fiber bidirectional loss of speech communication function as claimed in claim 1, it is characterized in that, described proving installation also comprises input detection unit, and described input detection unit is button detecting unit or touch control detecting unit.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973462A (en) * | 2016-04-17 | 2016-09-28 | 辽宁工程技术大学 | Optical power meter with voice control function |
| CN106482932A (en) * | 2015-09-01 | 2017-03-08 | 上海光维通信技术股份有限公司 | The test device of optical fiber bidirectional loss, method of testing and the means of communication |
| CN109951226A (en) * | 2019-04-04 | 2019-06-28 | 南京杰德科技有限公司 | Optical fiber other end light device device connection status detection and method |
| CN113644977A (en) * | 2021-08-05 | 2021-11-12 | 武汉凹伟能源科技有限公司 | Bidirectional passive laser telephone audio transmission network and sound source positioning method thereof |
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2015
- 2015-09-01 CN CN201520674066.9U patent/CN205002952U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482932A (en) * | 2015-09-01 | 2017-03-08 | 上海光维通信技术股份有限公司 | The test device of optical fiber bidirectional loss, method of testing and the means of communication |
| CN105973462A (en) * | 2016-04-17 | 2016-09-28 | 辽宁工程技术大学 | Optical power meter with voice control function |
| CN109951226A (en) * | 2019-04-04 | 2019-06-28 | 南京杰德科技有限公司 | Optical fiber other end light device device connection status detection and method |
| CN113644977A (en) * | 2021-08-05 | 2021-11-12 | 武汉凹伟能源科技有限公司 | Bidirectional passive laser telephone audio transmission network and sound source positioning method thereof |
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