CN207530834U - A kind of FTTH photoreceivers - Google Patents
A kind of FTTH photoreceivers Download PDFInfo
- Publication number
- CN207530834U CN207530834U CN201720445658.2U CN201720445658U CN207530834U CN 207530834 U CN207530834 U CN 207530834U CN 201720445658 U CN201720445658 U CN 201720445658U CN 207530834 U CN207530834 U CN 207530834U
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- China
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- unit
- receiver ontology
- ontology
- light receiving
- ftth
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Abstract
The utility model is related to a kind of FTTH photoreceivers, including receiver ontology, power supply, sucker, infrared detection head, universal wheel, adjusting knob, photodiode, light receiving unit, circuit boosting unit, Automatic optical power control unit and the first amplifier circuit unit；The power supply, the circuit boosting unit and the light receiving unit three are sequentially connected electrically；The light receiving unit, the Automatic optical power control unit and the first amplifier circuit unit three are electrically connected successively；The receiving plane of the receiver ontology is equipped with photographic plate, the receiver ontology of the upper and lower both sides of photographic plate is equipped with fluorescent plate, display screen, Electronic bubble, the utility model has the advantages that, have both photographic plate and infrared detection head, integrate ranging, test the speed, the function of thermometric, disclosure satisfy that the needs of different measurements；The position coordinates that laser is received on photographic plate can be intuitively shown by display screen, convenient for adjusting laser incident angle, improve accuracy of measurement.
Description
Technical field
The utility model is related to a kind of FTTH photoreceivers.
Background technology
At present, in engineering survey, the organs such as human eye can be damaged since the power of laser is excessively high, laser
Power is limited, and brightness is also restricted, but due to launch point and effect target between it is distant when laser
Lose larger, allowing for survey crew in this way can not lead to by the position of naked eyes accurate judgement laser, in order to solve this problem
Laser pickoff often is installed in effect target.But the laser equipment that laser pickoff can only match corresponding function is made
Industry, received signal are also single, it is impossible to be satisfied the use demand；And its is difficult to install, and position is not easy to adjust after installation；
Existing laser pickoff can determine if level by Electronic bubble, but can not easily carry out laser pickoff
Levelness is adjusted, and use is extremely inconvenient；Existing laser pickoff also without eye-catching recognition component, is difficult to know when remote
Not, this result in measure target be not easy to position, reduce measurement efficiency.
FTTH refers to optical network unit (ONU) at household user or enterprise customer, is removed in soft exchange series
FTTD (fiber to the desk) is outside near the optical access network application type of user.The notable technical characterstic of FTTH is not only to provide more
Big bandwidth, and enhance the transparency of the network to data format, rate, wavelength and agreement, relax to environmental condition and
The requirements such as power supply, simplify maintenance and installation.The advantage of FTTH mainly has at 5 points：First, it is passive network, from local side to
User, centre can substantially accomplish passive；Second, its bandwidth is wider, conforms exactly to the big of operator over long distances
Scale operational mode；Third, because it is the business carried on optical fiber, there is no what problems；4th, due to it
Bandwidth is wider, and the protocol comparison of support is flexible；5th, with the development of technology, including point-to-point 1.25G and FTTH modes all
Fairly perfect function is formulated.
Existing 103401612 A of the CN of issued patents disclose optical fiber and wireless mixing access system based on FTTH networks
System and hybrid access method, are related to intelligent acess field, which includes GPON terminal OLT devices and optical wiring list
Member, terminal OLT device are connected by fiber link with optical wiring unit, which transmits digital baseband signal and mould simultaneously
Intend wireless signal, GPON terminal OLT devices include 16 slot positions, and radio frequency unit is carried for inserting PON interface discs and local side light, when
When there is N number of wireless access channel in one fiber link direction, 1≤N≤7, terminal OLT device carries radio frequency list using N number of local side light
Member, one of as primary local side light load radio frequency unit, remaining N1 is combined local side light as grade and carries radio frequency unit.This reality
With the fiber resource of New Energy multiplexing PON, simplify the design of far-end RF module, reduce volume, reduce power consumption and cost, pass through
Wireless relay transmits, and wireless access is made to incorporate FTTH networks.But there are photoreceivers and network module to fix for this technical solution,
It cannot carry out upgrading.
Utility model content
The purpose of this utility model is to solve the above problems, and provides a kind of installation FTTH light-receivings simple, easy to use
Machine.
To achieve the above object, the utility model provides following technical solution：
A kind of FTTH photoreceivers, including receiver ontology, power supply, sucker, infrared detection head, universal wheel, adjusting knob,
Photodiode, light receiving unit, circuit boosting unit, Automatic optical power control unit and the first amplifier circuit unit；It is logical
Can easily the utility model be mounted and dismounted by crossing sucker, so as to easily change its installation site so that used
Journey is more convenient and quick；Photodiode receives input optical signal and the optical signal is converted into RF signals.
Further, the power supply, the circuit boosting unit and the light receiving unit three are electrically connected successively；
Further, the light receiving unit, the Automatic optical power control unit and the first amplifying circuit list
First three is electrically connected successively, and first amplifier circuit unit is connected with external signal output terminal.
Further, the front of the receiver ontology is receiving plane, and the reverse side of the receiver ontology is mounting surface；
Further, the receiving plane of the receiver ontology is equipped with photographic plate, the reception of the upper and lower both sides of photographic plate
Device ontology is equipped with fluorescent plate, display screen, Electronic bubble, the position for showing the utility model that can be eye-catching by fluorescent plate,
In remote, dark so that can be improved convenient for users to being positioned to measuring target during unintelligible sight
Measurement efficiency；Photographic plate and infrared detection head are had both, integrates ranging, test the speed, the function of thermometric, disclosure satisfy that different measurements
Needs；The position coordinates that laser is received on photographic plate can be intuitively shown by display screen, convenient for adjusting laser light incident
Angle improves accuracy of measurement, determines whether the utility model is horizontal by Electronic bubble；
Further, the infrared detection head is mounted on by universal wheel on the receiving plane of receiver ontology, the sucker
Top be equipped with adjusting rod, the sucker by adjusting rod be mounted on receiver ontology mounting surface on, the receiver ontology
Upper and adjusting rod is correspondingly arranged on adjusting knob；
Further, the receiver ontology is internally provided with circuit board, the photographic plate, infrared detection head, display screen,
Electronic bubble respectively with circuit board electrical connection.
Further, it also sets up between the light receiving unit and the Automatic optical power control unit and is put there are one second
Big circuit unit, second amplifier circuit unit respectively with the light receiving unit and the Automatic optical power control unit
It is electrically connected.
Further, the receiver ontology front end is equipped with USB jack, and connecting equipment by the USB jack receives
Video, voice and data-signal；
The photoreceiver ontology further includes automatic growth control network and attenuator.
Further, the automatic growth control network, for receiving the RF signals from the photodiode
And optical control signal is provided, wherein the RF signals include the input power levels of the optical signal, sub-gain control circuit cloth
It is defeated to solve the RF of noise and distortion performance, gain control, low-power consumption and well-controlled on the photoreceiver at different levels
Go out level, automatic growth control network is exported just by sensing the optical input power level of the output from photodiode
When the open loop automatic growth control network of gain.
Further, the attenuator is used to receive the optical control signal and indicates the light in the optical control signal
The input power levels of signal decay the RF signals when exceeding predetermined threshold, and attenuator and automatic growth control network can
Wide input optical power is compensated.
Further, the Electronic bubble is one or more.
Further, the photographic plate is spliced to form by multiple photosensitive unit matrixes.
Further, there are four the suckers, four suckers are separately positioned on four angles of receiver ontology.
Further, the adjusting rod is equipped with external screw thread, and the transmission component of the adjusting knob is equipped with and adjusting rod
On the external screw thread that matches of external screw thread, interact with the external screw thread on adjusting rod, elongation or shorten adjusting rod, so as to side
Just the adjusting of carry out levelness improves the accuracy of measurement.
Further, the photoreceiver further includes to provide the input power to the automatic growth control network
The optical power sense circuit of level.
Further, the receiver ontology further includes biasing circuit, and the biasing circuit is inclined for converter or resistor
Circuits.
Further, switch button, brightness regulating button are additionally provided on the receiver ontology, for controlling and receiving device sheet
The switch of body, the brightness for adjusting display screen.
The beneficial effects of the utility model are：
The FTTH photoreceivers of the utility model, have both photographic plate and infrared detection head, and collection ranging is tested the speed, the work(of thermometric
It can disclosure satisfy that the needs of different measurements；
Easily the utility model can be mounted and dismounted by sucker, so as to easily change its installation site,
It is so that more convenient and quick using process；
It determines whether the utility model is horizontal by Electronic bubble, targetedly adjusts some adjusting knob, pass through
External screw thread interaction on external screw thread and adjusting rod on the transmission component of adjusting knob, elongation or shortening adjusting rod, from
And the adjusting of levelness is easily carried out, improve the accuracy of measurement；
The position coordinates that laser is received on photographic plate can be intuitively shown by display screen, convenient for adjusting laser light incident
Angle improves accuracy of measurement；
The position for showing the utility model that can be eye-catching by fluorescent plate, in remote, dark so that regarding
Line can improve measurement efficiency when unintelligible convenient for users to being positioned to measuring target.
Sub-gain control circuit cloth on the photoreceiver at different levels so as to solve noise and distortion performance, gain control,
Low-power consumption and the RF output levels of well-controlled.In this way photoreceiver design allow FTTH systems be necessary to maintenance
The benefit of the light input range of extension is enjoyed while specification of uniting.
The utility model can be conveniently installed on laser transmitting set, can easily be also mounted in effect target,
Have the characteristics that installation is simple, easy to use.
Description of the drawings
In order to illustrate more clearly of the utility model embodiment technical solution, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model in order to more clearly
Illustrate the utility model embodiment or technical solution of the prior art, below by institute in p- embodiment or description of the prior art
Attached drawing to be used is needed to be briefly described, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural front view of the utility model；
Fig. 2 is the structure right view of the utility model；
Fig. 3 is the internal component connection diagram of the utility model.
Specific embodiment
A kind of FTTH photoreceivers including receiver ontology 1, power supply 2, sucker 3, infrared detection head 4, universal wheel 5, are adjusted
Knob 6, built-in photodiode 13, light receiving unit 14, circuit boosting unit 15, Automatic optical power control unit 16 and
One amplifier circuit unit 17；Easily the utility model can be mounted and dismounted by sucker 3, so as to easily change it
Installation site so that more convenient and quick using process；
Photodiode 13 receives input optical signal and the optical signal is converted into RF signals.If external wave division is used
Being multiplexed (WDM) component, then photodiode can be a specific installation.In addition, shown photodiode 13 can also be including
The duplexer or triplexer module of WDM components.In addition, photodiode 13 can bias in many ways --- such as with receiver
Integrated circuit integrates.
Further, the power supply 2, the circuit boosting unit 9 and 8 three of the light receiving unit electrically connect successively
It connects；
The light receiving unit 14, the Automatic optical power control unit 16 and first amplifier circuit unit 17 3
Person is electrically connected successively, and first amplifier circuit unit 17 is connected with external signal output terminal；
Further, the front of the receiver ontology 1 is receiving plane, and the reverse side of the receiver ontology 1 is mounting surface；
Further, the receiving plane of the receiver ontology 1 is equipped with photographic plate 7, the 7 upper and lower both sides of photographic plate
Receiver ontology is equipped with fluorescent plate 8, display screen 9, Electronic bubble 10；By fluorescent plate 8 can be eye-catching show that this practicality is new
The position of type, so that can be convenient for users to determining measuring target during unintelligible sight in remote, dark
Position, improves measurement efficiency；It has both sense and closes plate 7 and infrared detection head 4, integrate ranging, test the speed, the function of thermometric, it can
Meet the needs of different measurements；The position coordinates that laser is received on photographic plate 7 can be intuitively shown by display screen 9, just
In adjusting laser incident angle, accuracy of measurement is improved, determines whether the utility model is horizontal by Electronic bubble 10；
Further, the infrared detection head 4 is mounted on by universal wheel 5 on the receiving plane of receiver ontology 1, the suction
The top of disk 3 is equipped with adjusting rod 11, and the sucker 3 is mounted on by adjusting rod 11 on the mounting surface of receiver ontology 1, described to connect
It receives and is correspondingly arranged on adjusting knob 12 with adjusting rod 11 on device ontology 1；
Further, the receiver ontology is internally provided with circuit board 18, the photographic plate 7, infrared detection head 4, aobvious
Display screen 9, Electronic bubble 10 are electrically connected respectively with circuit board 18；
Further, also set up that there are one the between the light receiving unit 14 and the Automatic optical power control unit 16
Two amplifier circuit units 19, second amplifier circuit unit 19 respectively with the light receiving unit 14 and the automatic light
Power control unit 16 is electrically connected.
Further, the receiver ontology front end is equipped with USB jack 20, and equipment is connected by the USB jack 20
Receive video, voice and data-signal；
The receiver ontology 1 is additionally provided with automatic growth control network 21 and attenuator 22.
Further, the automatic growth control network 21, for receiving the RF from the photodiode 13
Signal simultaneously provides optical control signal, wherein the RF signals include the input power levels of the optical signal, automatic growth control
Network 21 be distributed in it is at different levels in photoreceiver on to solve noise and distortion performance, gain control, low-power consumption and good
Controlled RF output levels, automatic growth control network 21 are the light input works by sensing the output from photodiode 13
Rate level exports the open loop automatic growth control network 21 of appropriate gain.
Further, the attenuator 22 is used to receive the optical control signal and be closed described in control signal designation described
The input power levels of optical signal decay the RF signals, attenuator 22 and automatic growth control when exceeding predetermined threshold
Network 21 can compensate wide input optical power, to maintain to want good noise performance, good linear and low-power consumption
The acceptable incoming signal level to resident family, the optical detection circuit being included in gain control circuit 21 are maintained in the case of asking
Optical input power is sensed first.Then when light level power is increased to more than predetermined threshold, the attenuation input electricity of attenuator 22
It is flat.Photoreceiver is allowed to optimize its noiseproof feature for this until the system for providing input optical signal reaches enough signal noise ratio levels.
With the attenuation of incoming signal level, the noise of photoreceiver is degenerated.
Further, the Electronic bubble 10 is one or more.
Further, the photographic plate 7 is spliced to form by multiple photosensitive unit matrixes.
Further, there are four the suckers 3, four suckers 3 are separately positioned on four angles of receiver ontology 1
On so that the installation of receiver ontology 1 is more steady, and Level tune is more accurate.
Further, the adjusting rod 11 is equipped with external screw thread, and the transmission component of the adjusting knob 12 is equipped with and tune
External screw thread interaction on the external screw thread that external screw thread on pole 11 matches, with adjusting rod 11, elongation or shortening are adjusted
Bar so as to easily carry out the adjusting of levelness, improves the accuracy of measurement.
Further, the receiver ontology 1 further includes described defeated for being provided to the automatic growth control network 21
Enter the optical power sense circuit 23 of power level.
Further, the receiver ontology 1 further includes biasing circuit 24, and the biasing circuit 24 is converter or resistance
Device biasing circuit.
Further, switch button 25, brightness regulating button 26 are additionally provided on the receiver ontology, for controlling and receiving
The switch of device ontology 1, the brightness for adjusting display screen 9.
FTTH photoreceivers can receive the optical signal of multiple wavelength from the service supplier positioned at upstream, including regarding
Frequently, voice-and-data signal.For example, vision signal can be sent on 1550 nanometers of (nm) wavelength；Downlink or forward direction voice sum number
It is believed that a number usable 1490nm wavelength is sent；And 1310nm wavelength can be used to send for uplink or reversed voice-and-data signal.Wave
Length can be different according to the fiber equipment used in FTTH systems.FTTH photoreceivers 100 are housed inside such as optical network unit
(ONU) etc. in home mounted units.Home mounted unit may include the additional telephony circuitry for handling voice-and-data signal.
Voice-and-data signal can then be provided to appropriate home equipment via twisted-pair cable in a usual manner.
In addition to the voice and data signals, photoreceiver also receives and processes video/audio signal.This is relative to special
It is a significant improvement for the conventional ONU of processing voice-and-data signal.In general, it is supplied to resident family via FTTH photoreceivers
Vision signal compared with the vision signal provided by conventional HFC system quality it is equal or more preferably.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of FTTH photoreceivers, including receiver ontology (1), power supply (2), which is characterized in that further include sucker (3), red
Outer detecting head (4), universal wheel (5), adjusting knob (6), built-in photodiode (13), light receiving unit (14), circuit boosting
Unit (15), Automatic optical power control unit (16) and the first amplifier circuit unit (17)；
The power supply (2), the circuit boosting unit (15) and the light receiving unit (14) three are electrically connected successively；
The light receiving unit (14), the Automatic optical power control unit (16) and first amplifier circuit unit (17)
Three is electrically connected successively, and first amplifier circuit unit (17) is connected with external signal output terminal；
The front of the receiver ontology (1) is receiving plane, and the reverse side of the receiver ontology is mounting surface；
The receiving plane of the receiver ontology (1) is equipped with photographic plate (7), the receiver sheet of the upper and lower both sides of the photographic plate (7)
Body is equipped with fluorescent plate (8), display screen (9), Electronic bubble (10)；
The infrared detection head (4) by universal wheel (5) on the receiving plane of receiver ontology (1), the sucker (3)
Top be equipped with adjusting rod (11), the sucker (3) by adjusting rod (11) on the mounting surface of receiver ontology (1), institute
It states and is correspondingly arranged on adjusting knob (6) with adjusting rod (11) on receiver ontology (1)；
The receiver ontology is internally provided with circuit board (18), the photographic plate (7), infrared detection head (4), display screen (9),
Electronic bubble (10) is electrically connected respectively with circuit board (18)；
Second amplification electricity there are one being also set up between the light receiving unit (14) and the Automatic optical power control unit (16)
Road unit (19), second amplifier circuit unit (19) respectively with the light receiving unit (14) and the auto light power
Control unit (16) is electrically connected；
The receiver ontology front end is equipped with USB jack (20), by the USB jack (20) connect equipment receive video,
Voice and data-signal；
The receiver ontology (1) is additionally provided with automatic growth control network (21) and attenuator (22).
A kind of 2. FTTH photoreceivers according to claim 1, which is characterized in that the automatic growth control network
(21), for receiving the RF signals from the photodiode (13) and providing optical control signal, wherein the RF signals packet
Include the input power levels of optical signal.
3. a kind of FTTH photoreceivers according to claim 2, which is characterized in that the attenuator (22), for receiving
The optical control signal simultaneously indicates that the input power levels of the optical signal exceed predetermined threshold in the optical control signal
When decay the RF signals.
4. a kind of FTTH photoreceivers according to claim 1, which is characterized in that the Electronic bubble (10) for one or
It is multiple.
5. a kind of FTTH photoreceivers according to claim 1, which is characterized in that the photographic plate (7) is by multiple photosensitive
Cell matrix is spliced to form.
6. a kind of FTTH photoreceivers according to claim 1, which is characterized in that there are four the suckers (3), four institutes
Sucker (3) is stated to be separately positioned on four angles of receiver ontology (1).
7. a kind of FTTH photoreceivers according to claim 1, which is characterized in that the adjusting rod (11) is equipped with outer spiral shell
Line, the transmission component of the adjusting knob (6) are equipped with the external screw thread to match with the external screw thread on adjusting rod (11).
8. a kind of FTTH photoreceivers according to claim 1, which is characterized in that the receiver ontology (1) further includes
For providing the optical power sense circuit (23) of input power levels to the automatic growth control network (21).
9. a kind of FTTH photoreceivers according to claim 1, which is characterized in that the receiver ontology (1) further includes
Biasing circuit (24), the biasing circuit (24) are converter or resistor biasing circuit.
10. according to a kind of FTTH photoreceivers of claim 1 to 9 any one of them, it is characterised in that：The receiver ontology
On be additionally provided with switch button (25), brightness regulating button (26), for control and receive the switch of device ontology (1), adjust display screen
(9) brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445658.2U CN207530834U (en) | 2017-04-26 | 2017-04-26 | A kind of FTTH photoreceivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445658.2U CN207530834U (en) | 2017-04-26 | 2017-04-26 | A kind of FTTH photoreceivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530834U true CN207530834U (en) | 2018-06-22 |
Family
ID=62575658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720445658.2U Expired - Fee Related CN207530834U (en) | 2017-04-26 | 2017-04-26 | A kind of FTTH photoreceivers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207530834U (en) |
-
2017
- 2017-04-26 CN CN201720445658.2U patent/CN207530834U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20200426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |