CN201563124U - Radio frequency light transmission device - Google Patents
Radio frequency light transmission device Download PDFInfo
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- CN201563124U CN201563124U CN2009202058482U CN200920205848U CN201563124U CN 201563124 U CN201563124 U CN 201563124U CN 2009202058482 U CN2009202058482 U CN 2009202058482U CN 200920205848 U CN200920205848 U CN 200920205848U CN 201563124 U CN201563124 U CN 201563124U
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Abstract
The utility model discloses a radio frequency light transmission device, which comprises a wavelength-division multiplex module, a photoelectric detector, a frequency selection filter module, a transmission module, a network module and a control module. The wavelength-division multiplex module receives light signals to perform wavelength-division multiplex, the photoelectric detector converts the light signals after being in wavelength-division multiplex into electrical signals, the frequency selection filter module performs frequency selection filter for the electrical signals and transmits the electrical signals in different paths, the transmission module outputs a man radio frequency signal obtained via frequency selection filter, the network module is connected with a fiber optic repeater through a network and receives management performed by the fiber optic repeater through the network, and the control module controls the modules, receives an FSK signal obtained via the frequency selection filter, and outputs the FSK signal through the network module after processing the FSK signal. The radio frequency light transmission device can increase convenience of the fiber optic repeater to manage radio frequency light transmission devices.
Description
Technical field
The utility model relates to the photoelectricity transmission field, particularly relates to a kind of radio frequency light transmitting device.
Background technology
At present, radio-frequency light transmission module is connected with optical fiber repeater, is normally undertaken by serial line interface.Therefore, described radio-frequency light transmission module is connected with optical fiber repeater, to be subjected to the transmission speed of serial line interface and the restriction of ease of use, cause the management inconvenience of optical fiber repeater, can not utilize advanced network technology to carry out that facility is monitored efficiently and management etc. radio-frequency light transmission module.
Summary of the invention
One of the purpose of this utility model has improved the convenience of optical fiber repeater to the management of radio frequency light transmitting device for a kind of radio frequency light transmitting device is provided.
The utility model proposes a kind of radio frequency light transmitting device, comprising:
Wavelength division multiplexing module, receiving optical signals carries out wavelength division multiplexing;
Photodetector is converted to the signal of telecommunication with the light signal behind the wavelength division multiplexing;
Frequency-selecting and filtering module is carried out frequency-selective filtering to the signal of telecommunication, and transmits along separate routes;
Transport module is exported the main radiofrequency signal that frequency-selective filtering obtains;
Mixed-media network modules mixed-media is connected with optical fiber repeater by network, receives the management that optical fiber repeater is undertaken by network;
Control module is controlled each module; Receive the fsk signal that frequency-selective filtering obtains, handle the back and export by mixed-media network modules mixed-media.
Preferably, described mixed-media network modules mixed-media comprises:
Interface unit is connected with network;
Protocol element is for described interface unit and being connected of network provide the agreement support;
Control unit carries out control and management to described interface unit and protocol element.
Preferably, described network comprises:
Ethernet.
Preferably, described radio frequency light transmitting device also comprises:
Demodulation module is connected with described frequency-selecting and filtering module and control module respectively, receives described fsk signal and carries out demodulation and send control module to;
Modulation module is connected with control module, carries out fsk signal modulation and output.
Preferably, described radio frequency light transmitting device also is provided with transmitting terminal, and described transmitting terminal comprises:
Match circuit receives the outside signal of telecommunication;
Frequency-selecting and filtering module can be connected with described match circuit and described modulation module, receive the modulation that described match circuit and modulation module send respectively after fsk signal carry out frequency-selective filtering;
Semiconductor laser is modulated to laser signal with the signal of telecommunication behind the frequency-selective filtering and sends.
Radio frequency light transmitting device described in the utility model by setting up mixed-media network modules mixed-media, has improved the convenience of optical fiber repeater to the management of radio frequency light transmitting device.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment radio frequency light transmitting device;
Fig. 2 is the structural representation of mixed-media network modules mixed-media in the utility model one embodiment one execution mode;
Fig. 3 is the structural representation of radio frequency light transmitting device in another execution mode of the utility model one embodiment;
Fig. 4 is the structural representation of radio frequency light transmitting device among another embodiment of the utility model;
Fig. 5 is the structural representation of radio frequency light transmitting device among another embodiment of the utility model;
Fig. 6 is the structural representation of radio frequency light transmitting device in another embodiment one execution mode of the utility model.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
With reference to Fig. 1, a kind of radio frequency light transmitting device of the utility model one embodiment is proposed, comprising:
Wavelength division multiplexing module 11, receiving optical signals carries out wavelength division multiplexing;
Frequency-selecting and filtering module 13 is carried out frequency-selective filtering to the signal of telecommunication, and transmits along separate routes;
Mixed-media network modules mixed-media 16 is connected with optical fiber repeater by network, receives the management that optical fiber repeater is undertaken by network;
Above-mentioned Wavelength division multiplexing module 11 (Wavelength Division Multiplexing, wavelength division multiplexing) can receive the laser signal that exterior light interface 20 imports into, and this laser signal can be carried out wavelength division multiplexing.
Above-mentioned photodetector 12 is connected with this Wavelength division multiplexing module 11, receives the laser signal through wavelength division multiplexing, and is converted to rf signal.
Above-mentioned frequency-selecting and filtering module 13 can be carried out frequency-selecting to the rf signal after above-mentioned photodetector 12 conversions.Above-mentioned frequency-selecting comprises the frequency-selecting of fsk signal and main radiofrequency signal etc.This main radiofrequency signal is the main business signal, such as mobile phone signal etc.
Above-mentioned transport module 14 receives the main business signal behind above-mentioned frequency-selecting and filtering module 13 frequency divisions, and this main business signal of telecommunication is exported above-mentioned radio frequency light transmitting device.
Above-mentioned mixed-media network modules mixed-media 16 can be connected with transport module 14 and optical fiber repeater, carries out the Fabric Interface of transfer of data as transport module 14 and optical fiber repeater, makes things convenient for optical fiber repeater by network above-mentioned radio frequency light transmitting device to be managed.This network can be Ethernet, and then this mixed-media network modules mixed-media 16 can be ethernet module.
With reference to Fig. 2, in another execution mode of present embodiment, above-mentioned mixed-media network modules mixed-media 16 comprises interface unit 161, protocol element 162 and control unit 163; This interface unit 161 is connected with network; This protocol element 162 is for described interface unit 161 and being connected of network provide the agreement support; This control unit 163 carries out control and management to described interface unit 161 and protocol element 162.
Above-mentioned control module 15 can be controlled each module of above-mentioned radio frequency light transmitting device, monitoring and signal processing etc.This control module 15 can be single-chip microcomputer.And this control module 15 can be connected with frequency-selecting and filtering module 13, receives fsk signal and handles, and by above-mentioned mixed-media network modules mixed-media 16 this fsk signal is exported.In addition, this control module 15 also can be connected with optical fiber repeater by mixed-media network modules mixed-media 16, accepts the monitoring of this optical fiber repeater and management etc.
With reference to Fig. 3, in another execution mode of present embodiment, above-mentioned radio frequency light transmitting device can be provided with luminous power acquisition module 17 and AD (Analog Digital, analog/digital) modular converter 18, and described luminous power acquisition module 17 can be connected with described photodetector 12 gathers luminous power; Described AD modular converter 18 can be connected with described luminous power acquisition module 17 and control module 15, receives the luminous power that described luminous power acquisition module 17 is gathered, and carries out sending control module 15 to after AD changes and handles.
With reference to Fig. 4, a kind of radio frequency light transmitting device of another embodiment of the utility model is proposed, it also comprises numerical-control attenuator 131, is connected with above-mentioned frequency-selecting and filtering module 13, receives above-mentioned main radiofrequency signal and carries out exporting by above-mentioned transport module 14 after the gain-adjusted.
Above-mentioned numerical-control attenuator 131 is arranged between frequency-selecting and filtering module 13 and the transport module 14, after the main radiofrequency signal that this frequency-selecting and filtering module 13 is told is carried out gain-adjusted, by these transport module 14 outputs.And this numerical-control attenuator 131 can be connected with control module 15, accepts the control of control module 15.
In an execution mode of present embodiment, two amplifiers 120 can be set between above-mentioned numerical-control attenuator 131 and above-mentioned transport module 14, the main radiofrequency signal of exporting is compensated; And in the middle of two amplifiers 120, be disposed with temperature compensation circuit 132 and impedance matching box 133, carry out temperature-compensating and impedance matching respectively.
With reference to Fig. 5, a kind of radio frequency light transmitting device of another embodiment of the utility model is proposed, it also comprises demodulation module 151 and modulation module 152; This demodulation module 151 is connected with described frequency-selecting and filtering module 13 and control module 15 respectively, receives described fsk signal and carries out demodulation and send control module 15 to; This modulation module 152 is connected with control module 15, carries out fsk signal modulation and output.
Above-mentioned demodulation module 151 and modulation module 152 can be realized on a FSK chip.This FSK chip can receive the fsk signal that above-mentioned frequency-selecting and filtering module 13 is told, and carries out sending to above-mentioned control module 15 (single-chip microcomputer) after the demodulation and handles, and re-uses above-mentioned mixed-media network modules mixed-media 16 outputs.This FSK chip can comprise that also the signal with the output of control module 15 needs carries out the fsk signal modulation, transmits.
With reference to Fig. 6, in an execution mode of present embodiment, above-mentioned mixed-media network modules mixed-media 16 also can carry out the signal of telecommunication by network and receive, and through the processing of control module 15, and after the modulation of modulation module 152, utilizes transmitting terminal to send.
Above-mentioned transmitting terminal can comprise match circuit 31, temperature compensation circuit 132, frequency-selecting and filtering module 13, APC (Automatic Power Control) module 33 and semiconductor laser (Laser Diode, LD) 32 etc.Above-mentioned match circuit 31 is used for external radio-frequency signal and receives; Above-mentioned temperature compensation circuit 132 can be respectively and above-mentioned match circuit 31, carries out temperature-compensating; Above-mentioned frequency-selecting and filtering module 13 is connected with temperature compensation circuit 132 and modulation module 152 respectively, and the rf signal that receives this match circuit 31 and modulation module 152 transmissions respectively carries out frequency-selective filtering; Above-mentioned semiconductor laser 32 can be modulated to laser signal with the signal of telecommunication behind these frequency-selecting and filtering module 13 frequency-selective filterings and be sent to Wavelength division multiplexing module 11, again by optical interface 20 outputs.But above-mentioned APC module 33 noise spectra of semiconductor lasers 32 are carried out the power adjustment, adjust the operating current of semiconductor laser 32 under the different operating condition, make semiconductor laser 32 export stable luminous power.
Above-mentioned semiconductor laser 32 also is connected with luminous power acquisition module 17, can gather the illuminated message of described semiconductor laser 32, after the conversion through AD modular converter 18, sends control module 15 to and handles.It is to be used for the luminous power of described semiconductor laser 32 is detected.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. a radio frequency light transmitting device is characterized in that, comprising:
Wavelength division multiplexing module, receiving optical signals carries out wavelength division multiplexing;
Photodetector is converted to the signal of telecommunication with the light signal behind the wavelength division multiplexing;
Frequency-selecting and filtering module is carried out frequency-selective filtering to the signal of telecommunication, and transmits along separate routes;
Transport module is exported the main radiofrequency signal that frequency-selective filtering obtains;
Mixed-media network modules mixed-media is connected with optical fiber repeater by network, receives the management that optical fiber repeater is undertaken by network;
Control module is controlled each module; Receive the fsk signal that frequency-selective filtering obtains, handle the back and export by mixed-media network modules mixed-media.
2. radio frequency light transmitting device according to claim 1 is characterized in that, described mixed-media network modules mixed-media comprises:
Interface unit is connected with network;
Protocol element is for described interface unit and being connected of network provide the agreement support;
Control unit carries out control and management to described interface unit and protocol element.
3. radio frequency light transmitting device according to claim 1 and 2 is characterized in that, described network comprises:
Ethernet.
4. radio frequency light transmitting device according to claim 1 and 2 is characterized in that, described radio frequency light transmitting device also comprises:
Demodulation module is connected with described frequency-selecting and filtering module and control module respectively, receives described fsk signal and carries out demodulation and send control module to;
Modulation module is connected with control module, carries out fsk signal modulation and output.
5. radio frequency light transmitting device according to claim 4 is characterized in that, described radio frequency light transmitting device also is provided with transmitting terminal, and described transmitting terminal comprises:
Match circuit receives the outside signal of telecommunication;
Frequency-selecting and filtering module can be connected with described match circuit and described modulation module, receive the modulation that described match circuit and modulation module send respectively after fsk signal carry out frequency-selective filtering;
Semiconductor laser is modulated to laser signal with the signal of telecommunication behind the frequency-selective filtering and sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202058482U CN201563124U (en) | 2009-10-23 | 2009-10-23 | Radio frequency light transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202058482U CN201563124U (en) | 2009-10-23 | 2009-10-23 | Radio frequency light transmission device |
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| CN201563124U true CN201563124U (en) | 2010-08-25 |
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| CN2009202058482U Expired - Fee Related CN201563124U (en) | 2009-10-23 | 2009-10-23 | Radio frequency light transmission device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957482A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | Method and system for converting communication signal of photo-communication receiving terminal |
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
-
2009
- 2009-10-23 CN CN2009202058482U patent/CN201563124U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957482A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | Method and system for converting communication signal of photo-communication receiving terminal |
| CN102957482B (en) * | 2011-08-31 | 2016-05-11 | 深圳光启智能光子技术有限公司 | A kind of conversion method and system of optic communication receiving terminal signal of communication |
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
| CN109831254B (en) * | 2017-11-23 | 2023-10-10 | 通号通信信息集团上海有限公司 | Optical fiber repeater system using wavelength division multiplexing technology |
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