CN207475561U - A kind of multiple signals co-cable transmission CWDM optical senders - Google Patents
A kind of multiple signals co-cable transmission CWDM optical senders Download PDFInfo
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- CN207475561U CN207475561U CN201721361864.1U CN201721361864U CN207475561U CN 207475561 U CN207475561 U CN 207475561U CN 201721361864 U CN201721361864 U CN 201721361864U CN 207475561 U CN207475561 U CN 207475561U
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- satellite
- signal
- circuit
- multiple signals
- cable transmission
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Abstract
A kind of multiple signals co-cable transmission CWDM optical senders, including a signal multiplexing circuit, at least satellite input circuit and data selector, the signal multiplexing circuit and satellite input circuit are connected with the data selector all the way；The satellite input circuit includes the first satellite-signal input terminal, RF amplifiers, driving circuit and the CWDM lasers that are sequentially connected, the signal multiplexing circuit includes the second satellite-signal input terminal, surface wave signal input part and the Frequency reuser being sequentially connected, RF amplifiers, driving circuit and CWDM lasers, the second satellite-signal input terminal and surface wave signal input part are connected with Frequency reuser, and data selector is used to export the multiple signals received by light signal output end mouth.Multiple-link satellite TV signal and cable TV signal co-cable transmission all the way can be simplified installation steps, reduce cost by the utility model.
Description
Technical field
The utility model is related to field of communication technology, especially a kind of multiple signals co-cable transmission CWDM optical senders.
Background technology
The working frequency of current most of optical senders is all these light emitting poles in 47-860MHz or 950-2150MHz
Mostly it is independent transmitting television signals, it is only that the satellite TV signal of single channel and cable TV signal (terrestrial television signal) is mixed
It is combined and signal transmission through fiber is changed by same optical sender, if you need to simultaneous transmission multiple-link satellite TV signal and wired
During TV signal (terrestrial television signal), need multiple optical senders are used in parallel, this to Transmission system product install
Trouble is brought a great deal of trouble, while cost is also higher with optical fiber wiring.
Utility model content
The utility model provides a kind of multiple signals co-cable transmission CWDM optical senders, can by multiple-link satellite TV signal and
Cable TV signal co-cable transmission all the way simplifies installation steps, reduces cost.
A kind of multiple signals co-cable transmission CWDM optical senders, including a signal multiplexing circuit, at least satellite is defeated all the way
Enter circuit and data selector, the signal multiplexing circuit and satellite input circuit are connected with the data selector；It is described
Satellite input circuit includes the first satellite-signal input terminal, RF amplifiers, driving circuit and the CWDM lasers that are sequentially connected, institute
It states signal multiplexing circuit and includes the second satellite-signal input terminal, surface wave signal input part and the channeling being sequentially connected
Device, RF amplifiers, driving circuit and CWDM lasers, the second satellite-signal input terminal and surface wave signal input part with
Frequency reuser is connected, and data selector is used to export the multiple signals received by light signal output end mouth.
Preferably, the power circuit for providing electric energy to the signal multiplexing circuit and satellite input circuit is further included.
Preferably, the multiple signals co-cable transmission CWDM optical senders further include housing, and the signal multiplexing circuit is defended
Star input circuit and data selector are integrated in the housing.
Preferably, the surface of the housing be equipped with respectively with the first satellite-signal input terminal, the second satellite-signal input terminal
The signal input interface being connected with surface wave signal input part.
Preferably, the surface of the housing is additionally provided with the optical fiber line interface being connected with the light signal output end.
Preferably, the both ends of the housing are respectively equipped with a fixed seat, and the relative inner of two fixed seats is equipped with groove,
Plugged and fixed is distinguished in the groove of two fixed seats in the both ends of the housing.
Preferably, the opposite exterior lateral sides of two fixed seats are equipped with outwardly extending installing plate, and the installing plate is equipped with installation
Hole.
In the utility model, Frequency reuser will satellite-signal and all the way cable television letter all the way by channeling technology
Number (terrestrial television signal) mixed transport, mixed signal and at least all the way satellite-signal by data selector again into
Row mixing, and exported eventually by light signal output end mouth.So as to by multiple-link satellite TV signal and all the way cable television believe
Number co-cable transmission without multiple optical senders are used in parallel, simplify installation steps, reduces cost.
Description of the drawings
Fig. 1 is a kind of circuit structure signal of the multiple signals co-cable transmission CWDM optical senders of embodiment of the utility model
Figure；
Fig. 2 is a kind of structure diagram of the multiple signals co-cable transmission CWDM optical senders of embodiment of the utility model.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.
The utility model embodiment provides a kind of multiple signals co-cable transmission CWDM optical senders, as shown in Figure 1, it includes
One signal multiplexing circuit, at least satellite input circuit and data selector 100, the signal multiplexing circuit and satellite are defeated all the way
Enter circuit with the data selector 100 to be connected.It is defeated that the satellite input circuit includes the first satellite-signal being sequentially connected
Enter end 101, RF amplifiers 102, driving circuit 103 and CWDM lasers 104, the signal multiplexing circuit includes the second satellite
Signal input part 105,106 input terminal of surface wave signal and the Frequency reuser 107 being sequentially connected, drive RF amplifiers 102
Dynamic circuit 103 and CWDM lasers 104, the second satellite-signal input terminal 105 and surface wave signal input part 106 with
Frequency reuser 107 is connected.
Wherein, the first satellite-signal input terminal 101 and the second satellite-signal input terminal 105 can be with satellite signal receivers
It is connected, for inputting satellite-signal, surface wave signal input part 106 is then used to input surface wave signal.RF amplifiers 102 will
Signal is amplified, and driving circuit 103 drives CWDM lasers 104 according to the signal received, and CWDM lasers 104 will be electric
Stream signal is converted into optical signal.Data selector 100 is mainly used for the switching of signal, and the multiple signals received are passed through
Light signal output end mouth 108 exports.Three tunnel the first satellite-signal input terminals 101 are shared in figure, can be set according to actual needs
One or more the first satellite-signal input terminal 101.
The multiple signals co-cable transmission CWDM optical senders of above-described embodiment are further included for the signal multiplexing circuit
The power circuit of electric energy is provided with satellite input circuit, the power circuit is to the first satellite-signal input terminal 101, RF amplifiers
102nd, driving circuit 103, CWDM lasers 104, the second satellite-signal input terminal 105,106 input terminal of surface wave signal and frequency
Rate multiplexer 107 provides power supply.
In one embodiment, as shown in Fig. 2, the multiple signals co-cable transmission CWDM optical senders further include housing 2,
The signal multiplexing circuit, satellite input circuit and data selector 100 can be integrated on one piece of circuit board, and the circuit board is then
It is fixed in the housing 2, housing 2 is by the circuit in protection circuit plates.Naturally, the surface of the housing 2 is equipped with respectively with the
The signal input that one satellite-signal input terminal 101, the second satellite-signal input terminal 105 are connected with surface wave signal input part 106
Interface 21.The signal that satellite receiver, surface wave receiver etc. receive can be inputted by signal input interface 21.Meanwhile shell
The optical fiber line interface 22 being connected with the light signal output end 108 is additionally provided on body 2, optical fiber line interface 22 is connected with optical fiber cable,
Realize the transmission of optical signal, corresponding optical fiber cable is connected with photoreceiver, so as to which multipath light signal is output to photoreceiver.
As shown in Fig. 2, being additionally provided with electric source line interface 23 on housing 2, electric source line interface 23 and attaching plug 24, power supply is inserted
First 24 pluggable city's electric jack.Power circuit inside housing 2 can include rectification circuit, reduction voltage circuit, regulator circuit etc..
In one embodiment, as shown in Fig. 2, the both ends of the housing 2 are respectively equipped with a fixed seat 25, two fixations
The relative inner of seat 25 is equipped with groove, and plugged and fixed is distinguished in the groove of two fixed seats 25 in the both ends of the housing 2, two
Fixed seat 25 is clamped in the both ends of housing 2, can enhance the structural strength of housing 2.
Further, the opposite exterior lateral sides of two fixed seats 25 are equipped with outwardly extending installing plate 26, on the installing plate 26
Equipped with mounting hole 27, mounting hole 27 can be threaded hole, by passing through screw that can entire transmitter be fixed on corresponding position.
The above content is combine specific embodiment further detailed description of the utility model, it is impossible to assert
The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, several simple deduction or replace can also be made.
Claims (7)
1. a kind of multiple signals co-cable transmission CWDM optical senders, it is characterised in that：
Including a signal multiplexing circuit, at least satellite input circuit and data selector all the way, the signal multiplexing circuit and
Satellite input circuit is connected with the data selector；The satellite input circuit includes the first satellite-signal being sequentially connected
Input terminal, RF amplifiers, driving circuit and CWDM lasers, the signal multiplexing circuit include the second satellite-signal input terminal,
Surface wave signal input part and the Frequency reuser being sequentially connected, RF amplifiers, driving circuit and CWDM lasers, described
Two satellite-signal input terminals and surface wave signal input part are connected with Frequency reuser, and data selector is used for what will be received
Multiple signals are exported by light signal output end mouth.
2. multiple signals co-cable transmission CWDM optical senders according to claim 1, it is characterised in that：
Further include the power circuit for providing electric energy to the signal multiplexing circuit and satellite input circuit.
3. multiple signals co-cable transmission CWDM optical senders according to claim 1, it is characterised in that：
The multiple signals co-cable transmission CWDM optical senders further include housing, the signal multiplexing circuit, satellite input circuit
It is integrated in the housing with data selector.
4. multiple signals co-cable transmission CWDM optical senders according to claim 3, it is characterised in that：
The surface of the housing be equipped with respectively with the first satellite-signal input terminal, the second satellite-signal input terminal and surface wave signal
The signal input interface that input terminal is connected.
5. multiple signals co-cable transmission CWDM optical senders according to claim 3, it is characterised in that：
The surface of the housing is additionally provided with the optical fiber line interface being connected with the light signal output end.
6. multiple signals co-cable transmission CWDM optical senders according to claim 3, it is characterised in that：
The both ends of the housing are respectively equipped with a fixed seat, and the relative inner of two fixed seats is equipped with groove, the housing
Plugged and fixed is distinguished in the groove of two fixed seats in both ends.
7. multiple signals co-cable transmission CWDM optical senders according to claim 6, it is characterised in that：
The opposite exterior lateral sides of two fixed seats are equipped with outwardly extending installing plate, and the installing plate is equipped with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361864.1U CN207475561U (en) | 2017-10-23 | 2017-10-23 | A kind of multiple signals co-cable transmission CWDM optical senders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361864.1U CN207475561U (en) | 2017-10-23 | 2017-10-23 | A kind of multiple signals co-cable transmission CWDM optical senders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475561U true CN207475561U (en) | 2018-06-08 |
Family
ID=62264576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721361864.1U Expired - Fee Related CN207475561U (en) | 2017-10-23 | 2017-10-23 | A kind of multiple signals co-cable transmission CWDM optical senders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475561U (en) |
-
2017
- 2017-10-23 CN CN201721361864.1U patent/CN207475561U/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: 20180608 Termination date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |