CN204119354U - Multiple signals diverter switch - Google Patents
Multiple signals diverter switch Download PDFInfo
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- CN204119354U CN204119354U CN201420478518.1U CN201420478518U CN204119354U CN 204119354 U CN204119354 U CN 204119354U CN 201420478518 U CN201420478518 U CN 201420478518U CN 204119354 U CN204119354 U CN 204119354U
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Abstract
The utility model discloses multiple signals diverter switch, comprise shell, shell side is provided with three input ports, and it is perpendicular polarization signal input port, horizontal polarization signals input port and ground signal input port respectively, and shell opposite side is provided with four satellite receiver connectivity ports.It is simple that the utility model object is to provide a kind of structure, and easy to use three enter four removing from mould multiple signals diverter switches.
Description
Technical field
The utility model relates to a kind of multiple signals diverter switch, belongs to digital satellite television signal, ground digital television signal tapping device technical field.
Background technology
Current multiple signals diverter switch supports Signals in Satellite Data Stream tap ground digital television signal simultaneously, but ground signal is without enlarging function, is therefore necessary to improve existing product structure to promote its scope of application.
Utility model content
The utility model is for the deficiencies in the prior art, and provide a kind of structure simple, easy to use three enter four removing from mould multiple signals diverter switches.
The technical scheme in the invention for solving the technical problem is:
Multiple signals diverter switch, comprises shell, and shell side is provided with three input ports, and it is perpendicular polarization signal input port, horizontal polarization signals input port and ground signal input port respectively, and shell opposite side is provided with four satellite receiver connectivity ports.
Be provided with signal amplification circuit, local oscillations mixting circuit and signaling switch commutation circuit in shell, and for control signal switch switching circuit switch control signal input circuit and micro-processor interface circuit.
The control signal flow process that satellite receiver sends is as follows: control signal input circuit input is connected with satellite reception machine control signal output, control signal input circuit output is connected with micro-processor interface circuit input, micro-processor interface circuit three outputs are connected with signaling switch commutation circuit input, and signaling switch commutation circuit is connected with above-mentioned three input ports.
Digital picture, audio signal flow process are as follows: the digital signal of three input port receptions is connected with satellite receiver signal receiving terminal through signaling switch commutation circuit, signal amplification circuit, local oscillations mixting circuit, digital signal output circuit.
Also be provided with voltage-stabilized power supply circuit in shell, voltage-stabilized power supply circuit is above-mentioned signal amplification circuit, local oscillations mixting circuit, signaling switch commutation circuit, control signal input circuit, digital signal output circuit, micro-processor interface circuit provide power supply.
Micro-processor interface circuit selects single-chip microcomputer.
Utility model works process is as follows:
The utility model is arranged between satellite antenna and satellite receiver, and it is in the centre position of system.
During work, two satellite-signal input ports of multiple signals diverter switch, be divided into vertical (V), level two (H) patterns, two input ports are connected with the tuner of satellite antenna respectively.Every platform subscriber equipment satellite television receiver domestic demand sets the pattern that satellite television parameter and correspondence are connected to multiple signals diverter switch signal input port.Open satellite television receiver, the electric current that satellite television receiver exports passes on the tuner of satellite antenna, and the tuner of satellite antenna normally works; After tuner subsequently on satellite antenna receives signal, signal turns back to two signal input ports of multiple signals diverter switch through wire, amplify through amplifying circuit signal, local oscillations mixting circuit hybrid frequency, satellite receiver connectivity port again by being connected with this satellite television receiver is transferred to (satellite receiver is that the satellite-signal transported by tuner carries out demodulation, demodulates satellite television picture signal and audio signal) in satellite television receiver.
Ground digital television signal passes through terrestrial wave antenna, pass to ground signal input port, amplify through amplifying circuit signal, local oscillations mixting circuit hybrid frequency, then be transferred in satellite television receiver by the satellite receiver connectivity port be connected with this satellite television receiver.
The utility model usefulness is: the utility model is rational in infrastructure, process digital satellite television signal and ground digital television signal can be received, and two-way digital satellite television signal and a road ground digital television signal can be controlled, make four users can watch digital satellite television program and terrestrial DTV program easily; The utility model amplifies through amplifying circuit signal the signal of input simultaneously, and local oscillations mixting circuit hybrid frequency, improves the stability of properties of product, is conducive to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the utility model signal controlling block diagram.
Fig. 2 is the utility model structural representation
Fig. 3 is the utility model place work system structural representation.
Embodiment
Below in conjunction with embodiment, the utility model is further described:
As shown in Figure 1, Figure 2 and Figure 3, multiple signals diverter switch, comprise shell 1, shell side is provided with three input ports, it is perpendicular polarization signal input port 11, horizontal polarization signals input port 12 and ground signal input port 13 respectively, and shell opposite side is provided with four satellite receiver connectivity ports 14.Perpendicular polarization signal input port 11, horizontal polarization signals input port 12 are connected with the tuner 10 of satellite antenna by wire.
Be provided with signal amplification circuit 2, local oscillations mixting circuit 3 and signaling switch commutation circuit 4 in shell 1, and realize control signal input circuit 5 and the micro-processor interface circuit 6 of switching for control signal switch switching circuit.
The control signal flow process that satellite receiver sends is as follows: control signal input circuit 5 input is connected with satellite receiver 9 control signal output, control signal input circuit 5 output is connected with micro-processor interface circuit 6 input, three outputs of micro-processor interface circuit 6 are connected with signaling switch commutation circuit 4 input, and signaling switch commutation circuit 4 is connected with above-mentioned three input ports.
Digital picture, audio signal flow process are as follows: the digital signal of three input port receptions is connected with satellite receiver 9 signal receiving end through signaling switch commutation circuit, signal amplification circuit, local oscillations mixting circuit, digital signal output circuit 7.
Also be provided with voltage-stabilized power supply circuit 8 in shell, voltage-stabilized power supply circuit is above-mentioned signal amplification circuit, local oscillations mixting circuit, signaling switch commutation circuit, control signal input circuit, digital signal output circuit, micro-processor interface circuit provide power supply.
Claims (2)
1. multiple signals diverter switch, comprises shell, it is characterized in that:
Described shell side is provided with three input ports, and it is perpendicular polarization signal input port, horizontal polarization signals input port and ground signal input port respectively, and shell opposite side is provided with four satellite receiver connectivity ports; Be provided with signal amplification circuit, local oscillations mixting circuit and signaling switch commutation circuit in described shell, and for control signal switch switching circuit switch control signal input circuit and micro-processor interface circuit;
Control signal input circuit input is connected with satellite reception machine control signal output, control signal input circuit output is connected with micro-processor interface circuit input, micro-processor interface circuit three outputs are connected with signaling switch commutation circuit input, and signaling switch commutation circuit is connected with above-mentioned three input ports;
The digital signal that described three input ports receive is connected with satellite receiver signal receiving terminal through signaling switch commutation circuit, signal amplification circuit, local oscillations mixting circuit, digital signal output circuit.
2. multiple signals diverter switch according to claim 1, it is characterized in that: in described shell, be also provided with voltage-stabilized power supply circuit, voltage-stabilized power supply circuit is above-mentioned signal amplification circuit, local oscillations mixting circuit, signaling switch commutation circuit, control signal input circuit, digital signal output circuit, micro-processor interface circuit provide power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478518.1U CN204119354U (en) | 2014-08-23 | 2014-08-23 | Multiple signals diverter switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478518.1U CN204119354U (en) | 2014-08-23 | 2014-08-23 | Multiple signals diverter switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119354U true CN204119354U (en) | 2015-01-21 |
Family
ID=52336629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478518.1U Expired - Fee Related CN204119354U (en) | 2014-08-23 | 2014-08-23 | Multiple signals diverter switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820028A (en) * | 2017-11-16 | 2018-03-20 | 珠海市普斯赛特科技有限公司 | A kind of multi-channel switch with function of power protection |
-
2014
- 2014-08-23 CN CN201420478518.1U patent/CN204119354U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820028A (en) * | 2017-11-16 | 2018-03-20 | 珠海市普斯赛特科技有限公司 | A kind of multi-channel switch with function of power protection |
| CN107820028B (en) * | 2017-11-16 | 2024-05-17 | 珠海市普斯赛特科技有限公司 | Multi-path change-over switch with power supply protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20160823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |