CN202364222U - Multifunctional portable optical fiber communication detector - Google Patents
Multifunctional portable optical fiber communication detector Download PDFInfo
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- CN202364222U CN202364222U CN2011204901117U CN201120490111U CN202364222U CN 202364222 U CN202364222 U CN 202364222U CN 2011204901117 U CN2011204901117 U CN 2011204901117U CN 201120490111 U CN201120490111 U CN 201120490111U CN 202364222 U CN202364222 U CN 202364222U
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- Prior art keywords
- circuit
- optical fiber
- detector
- signal
- fiber communication
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a multifunctional portable optical fiber communication detector, comprising a singlechip, a power supply circuit, a liquid crystal screen, an optical receiving circuit and a laser emitting circuit. The optical receiving circuit converts the received optical signals into electrical signals, wherein one route of the electrical signals passes through a signal amplifying circuit and a power amplifying circuit to be converted into amplified electrical signals which are transmitted to earphones and output as voice, and at the same time the amplified electrical signals are transmitted to a modulating/demodulating circuit to generate data signals required for testing and the data signals are transmitted to the singlechip; the other route of the electrical signals is converted into digital signals through a power measuring circuit and an A/D conversion circuit and is transmitted to the singlechip for processing; the laser emitting circuit is connected with the singlechip through the modulating/demodulating circuit; and the test data signals transmitted by the singlechip are demodulated and converted into optical signals and transmitted to the optical fiber. The detector has the advantages of multiple purposes, functions of optical source and optical power, capability of realizing duplexing conversation, simple use, small volume, shock resistance, high-temperature resistance and low-temperature resistance, convenience for carrying, and the like.
Description
Technical field
The utility model relates to optical fiber communication detector field, relates in particular to a kind of portable multifunctional optical fiber communication detector.
Background technology
At present, field emergency is surveyed communications optical cable transmission data target and is detected the requirement height, and general instrument is difficult to satisfy its measuring accuracy under complex conditions.Under the emergency communication condition in the open air, optical cable needs repeatedly folding and unfolding to set up, and cable connection can only adopt optical fiber connector butt joints (not adopting burning-on method).Optical fiber connector plug is prone to loosening or advances dust in the connection procedure, causes light path obstructed or decay is big.For ensureing that the optical cable that sets up under the emergency environmental condition in the open air can operate as normal, the operating personnel needs a kind of can on optical fiber, the conversation can detect the instrument of the transmission performance of optical cable again, the limit cable frontier inspection survey of giving out light.
The utility model content
The utility model purpose provides a kind of portable multifunctional optical fiber communication detector, has a tractor serves several purposes, and test accurately; With full Chinese interface display operation, use simply, volume is little; Carry advantages such as light, be very suitable for open-air fibre circuit construction, the use of the unit of maintenance.
The portable multifunctional optical fiber communication detector that the utility model embodiment provides comprises single-chip microcomputer, power circuit, liquid crystal display screen, optical receiving circuit, laser transmission circuit; Said optical receiving circuit converts the light signal that receives to the signal of telecommunication; Lead up to signal amplification circuit, power amplification circuit; The signal of telecommunication that sends after amplifying produces voice output to earphone; The signal of telecommunication after transmission is amplified simultaneously is to modulation/demodulation circuit, and the data-signal that producing test needs is given single-chip microcomputer; Another road becomes digital signal to deliver to the single-chip microcomputer processing said electrical signal conversion through power-measuring circuit, A/D change-over circuit;
Said laser transmission circuit connects single-chip microcomputer through modulation/demodulation circuit, and the data signal under test demodulation that single-chip microcomputer is sent converts light signal to and sends in the optical fiber.
Further, said laser transmission circuit connects microphone through amplifying circuit, converts the voice signal of importing to light signal and sends in the optical fiber.
Said portable multifunctional optical fiber communication detector comprises that also being used for importing control single chip computer produces the keyboard circuit that corresponding operating instructs; Be connected with single-chip microcomputer; Be used for importing the instruction that control single chip computer produces corresponding operating, like operating state switching, calibration, record, inquiry etc.
Said single-chip microcomputer also is connected with the memory of record data and monitoring function.Such as adopting nonvolatile memory (X25045), also has the function of house dog simultaneously, monitoring singlechip work on the one hand as the carrier of record data.
Further, said power circuit comprise timing shutdown circuit ,+4.8V and 5V output port, adopting rechargeable battery or dry cell is the complete machine power supply.
Further, said detector adopts double mcu control, and a Single-chip Controlling transmits and carries out modulation, and another single-chip microcomputer is responsible for receiving optical signals and is handled, the concurrent working that cooperatively interacts of two single-chip microcomputers.
Further, the panel of said portable multifunctional optical fiber communication detector is provided with headset mobile phone socket, receives the optical fiber Connection Block, sends optical fiber Connection Block, volume control knob, and its panel top also is provided with dust cap.
Further, said detector has resin-case, and its inner-wall spraying has the electronic shield dope layer.
Little, in light weight, the sound construction of said detector complete machine structure volume, little in order to reach volume, circuit board adopts double-deck, and chip adopts paster spare, is guaranteeing to concentrate compression under the circuit performance prerequisite.Transmit-receive tube adopts small-sized, and battery adopts ni-mh and No. 5 interchangeable uses of battery.In order to reach in light weight, the complete machine housing adopts the compacting of die sinking ABS resin material to form.Anti-interference in order to realize, adopt casing shielding spraying, adopt screen during board design.Talking and receiving circuit adopts shielding conductor to isolate.The head dust cap adopts slidingtype, and is simple to operate.
The portable multifunctional optical fiber communication detector of the utility model is the open-air optical fiber communication detector of a kind of emergency communication.Two are used and can on fibre circuit, communicate contact and test, accomplish the basic judgement to the fibre circuit operating state.When separate unit uses, can be used as light source and light power meter, differentiate optical fiber break-make, fiber identification, fiber optic loop survey.This instrument has unique communication formula test function, promptly in two instrument UNICOM tests, transmits test result each other, and communicating pair is come into plain view to the situation of optical-fiber line fault, connector attenuation value simultaneously.Gauge internal has bigger information stores space, can store nearly 100 test datas.Instrument adopts No. 5 rechargeable batteries (No. 5 dry cells) under the situation that adverse circumstances can't be charged, and can use dry cell power supply instead No. 5, guarantees instrument under the full power operational circumstances, and continuous operation is no less than 10 hours, but continuous operation 20 hours under the regular situation.Instrument has automatic shutdown function, if no any operation in 8 minutes, instrument is with automatic powered-down.
This detector has a tractor serves several purposes, with full Chinese interface display operation, uses simply, and volume is little, carries advantages such as light, is very suitable for fibre circuit construction, the use of the unit of maintenance.The existing light source of open-air fiber optic cable communications detector of this patent, luminous power function can duplex be conversed again, shock resistance vibrations, high-low temperature resistant.
Technical indicator is following:
1, optical fiber communication
Speech transmissions frequency band: 300Hz---3400Hz
Talking mode: full duplex
Close-talking sensitivity: 0～-50dBm
Transmission range: >=100Km (0.4dB/KM)
The digital scope of can conversing: 0～-45dBm
Memory data output: the most nearly 100
2. light source
Wavelength: 1310Um (or 1550Um selects for use)
Power output: 1mw ± 0.1mw
Output stability: be not less than 2% (dBm)
3, light power meter
Wavelength: 1310nm (or 1550nm selects for use)
The measuring light power precision: 0～-40dBm measure error≤0.5dBm;-40～-60dBm measure error≤1dBm
Resolution: 0.01dBm
4, power supply
Supply power mode: No. 5 nickel-hydrogen chargeable cells, 1.2V1.4hA6 joint 7.2V or No. 5 AA dry cell 1.5V6 joint 9V select for use
Operating current: operating current＜100mA
5, charger:
Input power supply :～220V ± 5
Output area: 6 joint 1.2V Ni-MH batteries
Charging current: >=100mA
Description of drawings
Fig. 1 is the portable multifunctional optical fiber communication detector system block diagram that the utility model embodiment provides.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done to describe in detail further below.
As shown in Figure 1, the utility model embodiment provides portable multifunctional optical fiber communication detector, comprises single-chip microcomputer, power circuit, liquid crystal display screen, optical receiving circuit, laser transmission circuit; Said optical receiving circuit converts the light signal that receives to the signal of telecommunication; Lead up to signal amplification circuit, power amplification circuit; The signal of telecommunication that sends after amplifying produces voice output to earphone; The signal of telecommunication after transmission is amplified simultaneously is to modulation/demodulation circuit, and the data-signal that producing test needs is given single-chip microcomputer; Another road becomes digital signal to deliver to the single-chip microcomputer processing said electrical signal conversion through power-measuring circuit, A/D change-over circuit; Said laser transmission circuit connects single-chip microcomputer through modulation/demodulation circuit, and the data signal under test demodulation that single-chip microcomputer is sent converts light signal to and sends in the optical fiber.
As the improved procedure of function, said laser transmission circuit connects microphone through amplifying circuit, converts the voice signal of importing to light signal and sends in the optical fiber.Said portable multifunctional optical fiber communication detector comprises that also being used for importing control single chip computer produces the keyboard circuit that corresponding operating instructs; Be connected with single-chip microcomputer; Be used for importing the instruction that control single chip computer produces corresponding operating, like operating state switching, calibration, record, inquiry etc.
The panel of said portable multifunctional optical fiber communication detector is provided with headset mobile phone socket, receives the optical fiber Connection Block, sends optical fiber Connection Block, volume control knob, and its panel top also is provided with dust cap.In order to reach in light weight, the complete machine housing adopts the compacting of die sinking ABS resin material to form.Anti-interference in order to realize, adopt casing shielding spraying, adopt screen during board design.Talking and receiving circuit adopts shielding conductor to isolate.
When optical fiber is tested; After powering on, two portable multifunctional optical fiber communication detectors that are used all are set to " light phone " state automatically; The other side presses " calling " key; The buzzer that " toot ", " toot ", " toot " are arranged in the earphone, if light intensity be not less than-the 40dBm buzzer also can sound a buzzer, liquid crystal display screen will show that " quilt is called out simultaneously.。。", if light intensity is lower than-40dBm, data message possibly not receive; this is normal, as long as have this moment voice signal, the other side press " callings " key can only hear in the earphone " toots " arranged, " toots ", " toot ", buzzer; buzzer is sounding not, and liquid crystal does not have demonstration yet, and " quilt is called out.。。", information.
The keyboard that the detector state is used has " function " key, " calling " key, " inquiry " key, each key function with the operation as follows:
" function " key: press this bond energy tester is switched to the luminous power state from light phone state.
" calling " key: press " calling " key, liquid crystal display screen shows " in the calling.。。", send call information to the other side simultaneously, the other side can hear calling tone (if light intensity be not less than-40dBm can also receive by call information, liquid crystal display screen also has " to be called out.。。" information indicating, buzzer also can send the buzzing prompt tone).
" inquiry " key: inquire about various detection data.
" increase " key: can switch LCD backlight lamp under light phone state by " increase " key.
Said single-chip microcomputer also is connected with the memory of record data and monitoring function.Such as adopting nonvolatile memory (X25045), also has the function of house dog simultaneously, monitoring singlechip work on the one hand as the carrier of record data.Said power circuit comprise timing shutdown circuit ,+4.8V and 5V output port, adopting rechargeable battery or dry cell is the complete machine power supply.
As a kind of improved procedure, said detector adopts double mcu control, and a Single-chip Controlling transmits and carries out modulation, and another single-chip microcomputer is responsible for receiving optical signals and is handled, the concurrent working that cooperatively interacts of two single-chip microcomputers.
The utility model embodiment provides portable multifunctional optical fiber communication detector to adopt high integrated special chip to combine software programming segmentation Calculation Method, has guaranteed luminous power test measuring accuracy and scope.Adopt shielding and special filter circuit, arrive interference reduction minimum.Adopt special-purpose D/A chip, the design special circuit is accomplished communication.
Be specially adapted to detect the optical transmission and the joint situation of open-air optical cable.Instrument has light source, luminous power test, duplexing call function, and Chinese shows, man-machine interface is simple to operate, can store data, the waterproof antidetonation, and high-low temperature resistant is fit to the field, and volume is little in light weight, can carry.
Claims (8)
1. portable multifunctional optical fiber communication detector is characterized in that, comprises single-chip microcomputer, power circuit, liquid crystal display screen, optical receiving circuit, laser transmission circuit; Said optical receiving circuit converts the light signal that receives to the signal of telecommunication; Lead up to signal amplification circuit, power amplification circuit; The signal of telecommunication that sends after amplifying produces voice output to earphone; The signal of telecommunication after transmission is amplified simultaneously is to modulation/demodulation circuit, and the data-signal that producing test needs is given single-chip microcomputer; Another road becomes digital signal to deliver to the single-chip microcomputer processing said electrical signal conversion through power-measuring circuit, A/D change-over circuit;
Said laser transmission circuit connects single-chip microcomputer through modulation/demodulation circuit, and the data signal under test demodulation that single-chip microcomputer is sent converts light signal to and sends in the optical fiber.
2. according to the said portable multifunctional optical fiber communication of claim 1 detector, it is characterized in that said laser transmission circuit connects microphone through amplifying circuit, convert the voice signal of importing to light signal and send in the optical fiber.
3. according to the said portable multifunctional optical fiber communication of claim 1 detector, it is characterized in that, also comprise being used for importing the keyboard circuit that control single chip computer produces the corresponding operating instruction.
4. according to the said portable multifunctional optical fiber communication of claim 1 detector, it is characterized in that said single-chip microcomputer also is connected with the memory of record data and monitoring function.
5. according to the said portable multifunctional optical fiber communication of claim 1 detector, it is characterized in that, said power circuit comprise timing shutdown circuit ,+4.8V and 5V output port, adopting rechargeable battery or dry cell is the complete machine power supply.
6. according to the said portable multifunctional optical fiber communication of claim 1 detector; It is characterized in that; Said detector adopts double mcu control; A Single-chip Controlling transmits and carries out modulation, and another single-chip microcomputer is responsible for receiving optical signals and is handled, the concurrent working that cooperatively interacts of two single-chip microcomputers.
7. according to the said portable multifunctional optical fiber communication of claim 1 detector; It is characterized in that; The panel of said portable multifunctional optical fiber communication detector is provided with headset mobile phone socket, receives the optical fiber Connection Block, sends optical fiber Connection Block, volume control knob, and its panel top also is provided with dust cap.
8. according to the said portable multifunctional optical fiber communication of claim 1 detector, it is characterized in that said detector has resin-case, its inner-wall spraying has the electronic shield dope layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204901117U CN202364222U (en) | 2011-12-01 | 2011-12-01 | Multifunctional portable optical fiber communication detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204901117U CN202364222U (en) | 2011-12-01 | 2011-12-01 | Multifunctional portable optical fiber communication detector |
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| Publication Number | Publication Date |
|---|---|
| CN202364222U true CN202364222U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204901117U Expired - Lifetime CN202364222U (en) | 2011-12-01 | 2011-12-01 | Multifunctional portable optical fiber communication detector |
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| Country | Link |
|---|---|
| CN (1) | CN202364222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147438A (en) * | 2016-09-19 | 2017-09-08 | 国家电网公司 | A kind of portable fiber-optic tester |
-
2011
- 2011-12-01 CN CN2011204901117U patent/CN202364222U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147438A (en) * | 2016-09-19 | 2017-09-08 | 国家电网公司 | A kind of portable fiber-optic tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Jilin kemingderui communication equipment Co.,Ltd. The person in charge Document name: Notice of expiration and termination of patent right |