CN206274649U - A kind of satellite switch - Google Patents
A kind of satellite switch Download PDFInfo
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- CN206274649U CN206274649U CN201620705987.1U CN201620705987U CN206274649U CN 206274649 U CN206274649 U CN 206274649U CN 201620705987 U CN201620705987 U CN 201620705987U CN 206274649 U CN206274649 U CN 206274649U
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Abstract
The utility model discloses a kind of satellite switch, including the satellite signal reception module being sequentially connected and signal switching apparatus, the satellite signal reception module includes n tuner, satellite-signal for receiving multiple frequency ranges, the satellite-signal of each frequency range has respective satellite signal transit passage, the signal switching apparatus include selection handover module and n satellite-signal sensing output module, each satellite signal transit passage is corresponding with respective satellite-signal sensing output module respectively, the n satellite-signal sensing output module is connected with selection handover module respectively, the selection handover module receives the control signal of user, corresponding satellite-signal sensing output module is gated with according to the control signal of user, export the satellite-signal of corresponding band.
Description
Technical field
The utility model is related to the switching switching technique field of satellite TV signal, and in particular to a kind of satellite switch.
Background technology
For the product gated to two-way above satellite-signal, commonly referred to satellite switch during TV reception,
The basic function of satellite switch includes：1st, user is facilitated to select any satellite-signal all the way of tuner output.2nd, extension output
Port, uses for multi-user, that is, many star multimachines.It is multiple to there is high cost, structure in existing satellite TV signal distribution switch
Miscellaneous the problems such as.
Utility model content
The purpose of this utility model is the defect for solving prior art, there is provided a kind of wiring is simple, low cost of manufacture is defended
Star is switched, and is switched between different channel for user, and the technical scheme of use is as follows：
A kind of satellite switch, including the satellite signal reception module that is sequentially connected and signal switching apparatus, the satellite letter
Number receiver module includes n tuner, and the satellite-signal for receiving multiple frequency ranges, the satellite-signal of each frequency range has each
Satellite signal transit passage, the signal switching apparatus include that selection handover module and n satellite-signal sense output module,
Each satellite signal transit passage is corresponding with respective satellite-signal sensing output module respectively, the n satellite-signal sense
Answer output module respectively with selection handover module be connected, it is described selection handover module reception user control signal, with according to
The control signal at family gates corresponding satellite-signal sensing output module, exports the satellite-signal of corresponding band.
Further, satellite-signal sensing output module include a segment signal coupling line, switch triode,
Two resistance, an electric capacity and three diodes, the grounded emitter of the switch triode, base stage connect with handover module
Connect, colelctor electrode is connected with one end of first resistor, the other end of first resistor is connected with one end of second resistance, the signal sense
Module one end is answered to be connected with one end of second resistance, the other end is connected with the negative pole of the first diode, the signal coupling line is used
Signal on sensing satellite signal transit passage, produces the satellite-signal comprising same channel information, one end of the electric capacity
Between being connected to two resistance connecting lines, other end ground connection, the first diode and the second Diode series, the first and second diodes
With the 3rd diodes in parallel, the 3rd diodes in parallel of the 3rd diode and next signal sensing output module.
When the frequency-selecting for selecting handover module to receive user is instructed, the frequency-selecting according to user is instructed and causes corresponding satellite
The triode ON of induction of signal output module, so as to be supplied to diode drop so that diode current flow, and satellite is believed
Number sensing output module can sense the satellite-signal comprising its corresponding satellite signal transit passage same channel information, by
Now had been turned in diode, then the satellite-signal that this sensing is produced can be strobed output to Set Top Box.
Preferably, the intensity of the induced signal is directly proportional to the length of coupling line.
Different users can share signal receiving device (satellite reception pot, LNB etc.), when there is two or more users
When sharing signal receiving module, each user only needs to be connected to the signal switching apparatus of oneself according to above-mentioned connected mode
Signal receiving module can receive satellite-signal and switch between different channels.When multiple users to share satellite-signals
Wait, satellite-signal is distributed to different users by the utility model by signal switching apparatus, and now each user is assigned to
Satellite-signal is just the same with the information of main line satellite-signal, the satellite channel that so each user receives be it is complete,
Each user can switch between different channel, will not interfere.
Preferably, the selection handover module includes several single-chip microcomputers, the base stage of the triode is connected respectively to
On the pin of single-chip microcomputer, the single-chip microcomputer controls corresponding triode ON according to the selection instruction of user.
Preferably, the signal receiving module includes 4 tuners, it is one group that each tuner exports 4 signals, altogether
There are four groups of signals, corresponding satellite signal transit passage and induction of signal output module are also classified into four groups, and the selection switches mould
Block includes two 14 pin single-chip microcomputers, and the base stage of the first group and second group control triode of induction of signal output module is connected to the
The pin of one single-chip microcomputer, the base stage of the control triode of second group and the 3rd group of induction of signal output module is connected to the second list
The pin of piece machine.
In the prior art using all satellite signal reception modules of Single-chip Controlling of one piece of 24 pin, cause the cloth in circuit
Line is extremely complex, cost is very high, and the utility model coordinates control to satellite signal receiving using two piece of 14 single-chip microcomputer of pin
Module is selected respectively, simplifies the wire structures of circuit, relative to the cost of wiring, the cost of single-chip microcomputer be it is relatively low,
Therefore the utility model reduces wiring cost, in addition, being controlled using polylith single-chip microcomputer so that the size of circuit board becomes
It is small, whole switch more small and exquisite exquisiteness.
Further, first group to the 4th group satellite signal transit channel sequence arrangement, in second group and the 3rd group of signal
The 3rd diode junction for sensing output module is parallel with a resistance, and the other end of the resistance is connected to triode
Colelctor electrode, the grounded emitter of the triode, base stage is connected with the pin of the first single-chip microcomputer, when user gates first group and second
During group signal, the single-chip microcomputer pin output low level of the triode is connected to, triode cut-off, single-chip microcomputer is selected according to user instruction
Certain satellite-signal all the way in logical first and second group；And when user gating be third and fourth group of signal when, with the transistor base connect
The single-chip microcomputer output high level for connecing, the triode ON, all diodes being connected on main line are turned on plus forward voltage, from
And ensure that third and fourth Zu Zhongmou roads signal can smoothly reach the amplifier of user port, export to user after amplified filtering
Set Top Box.
When user will select first group or second group of signal, at this moment this triode will be not turned on, and gating work is by the
One single-chip microcomputer is completed so that the single-chip microcomputer works and then controls corresponding induction of signal output module to be switched on, conversely, when selection
3rd group or during the 4th group of signal, the triode ON, then first, second single-chip microcomputer work simultaneously so that second singlechip is born
Duty gating control, the triode ON connected with corresponding induction of signal output module, respective diode forward conduction, sensing letter
Number it is sent to user's branch port.
Further, the utility model also includes satellite-signal amplification module and satellite-signal filtration module, the satellite
Signal amplification module is connected with induction of signal output module, and the satellite-signal filtration module connects with satellite-signal amplification module
Connect, the satellite-signal amplification module is connected with gating signal output end.
Further, the utility model also includes ground signal processing module, the ground signal processing resume module ground
Face signal, output to Set Top Box is mixed through the ground signal after treatment with selected satellite-signal through signal.
Further, the ground signal processing module includes the first ground signal filtration module, the first ground letter
Number filtration module one end is connected to ground signal input, and the other end is connected to ground signal amplifier, and the ground signal is put
Big device has been also connected with magnetic core coupling module, and the magnetic core coupling module has been also connected with the second ground signal filtration module, further
Filter effect is improved, the second ground signal filtration module has been also connected with gating signal output end.
Compared with prior art, the beneficial effects of the utility model:The satellite switch that the utility model is provided is available for user
Switch between different channel, and the wiring of switch is simple, small volume, low cost of manufacture.Meanwhile, different users can be total to
Signal receiver is enjoyed, the satellite channel that each user receives is complete, and each user can be between different channel
Switching, will not interfere.
Brief description of the drawings
Fig. 1 is satellite switch circuit structure diagram of the present utility model；
Fig. 2 is one of which satellite signal transit passage of the present utility model, the structural representation of induction of signal output module
Figure；
Fig. 3 is gating control planning figure of the single-chip microcomputer of the utility model first to two groups of satellite-signals of A, B.
Wherein, 1：Satellite signal transit passage, 2:Tuner outputs signals to satellite switch input port, 3：One or two pole
Pipe, 4:Second diode, 5：3rd diode, 6：Signal coupling line, 8：Triode, 9：Gating signal output end, 10：Ground electricity
Depending on signal input part, 11：First resistor (, 12：Second resistance.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawings and examples.
Embodiment：As shown in Figure 1 to Figure 3, a kind of satellite switch, including the satellite signal reception module that is sequentially connected and letter
Number switching device, the satellite signal reception module includes n tuner, the satellite-signal for receiving multiple frequency ranges, each
The satellite-signal of frequency range has respective satellite signal transit passage, and the signal switching apparatus include selection handover module and n
Individual satellite-signal senses output module, and each satellite signal transit passage senses output module with respective satellite-signal respectively
Correspondence, the n satellite-signal sensing output module is connected with selection handover module respectively, and the selection handover module is received to be used
The control signal at family, corresponding satellite-signal sensing output module is gated with according to the control signal of user, exports corresponding band
Satellite-signal.
Satellite-signal sensing output module include a segment signal coupling line, switch triode, two resistance,
One electric capacity and three diodes (making switch to use), the grounded emitter of the switch triode, base stage connects with handover module
Connect, colelctor electrode is connected with the one end of first resistor (current limliting use), the other end and the second resistance (impedance matching use) of first resistor
One end connection, described signal induction module one end is connected with one end of second resistance, the negative pole of the other end and the first diode
Connection, the signal coupling line is used to sense the signal on satellite signal transit passage, produces defending comprising same channel information
Star signal, (AC earth use is played) between one end of the electric capacity is connected to two resistance connecting lines, other end ground connection, the one or two pole
Pipe and the second Diode series (multiple Diode series play a part of improve switch isolation), the first and second diodes and the
Three diodes in parallel, the 3rd diode senses the 3rd diodes in parallel of output module with next signal.
After single-chip microcomputer receives the zapping instruction of user, instruction is decoded, then in corresponding control pin output
High level, controls corresponding triode ON, so as to be supplied to diode drop so that each diode current flow, and the road
Satellite induced signal is just sent to amplifier in by the diode for turning on, and user's Set Top Box is arrived in output after amplified filtering,
Again the TV programme that user mutually wants are obtained through Set Top Box decoding.
The intensity of the induced signal is directly proportional to the length of coupling line.
Different users can share satellite-signal, when there is two or more users to share signal, each user couple
Main signal has a segment signal inductively line, only need to couple very faint satellite-signal, it is necessary to watch this TV programme all the way
When single-chip microcomputer can be by the control triode ON of this branch road, all diodes are turned on plus forward voltage, and coupled signal is through putting
Be sent to signal output after big filtering, each user can between all signals free switching, will not mutually be done between user
Disturb.
The selection handover module includes several single-chip microcomputers, and the base stage of the triode is connected respectively to drawing for single-chip microcomputer
On pin, the single-chip microcomputer controls corresponding triode ON according to the selection instruction of user.
The signal of the present embodiment includes 16 road satellite-signals, and every 4 signals are one group, are exported by a tuner, are divided into
Tetra- groups of LNB-A, LNB-B, LNB-C, LNB-D, there is the 3rd diode between each signal, mainly play the work of switch isolation
With.Satellite switch control chip in the past (or is adopted using all satellite signal reception modules of Single-chip Controlling of one piece of 24 pin
With single-chip microcomputer plus decoder mode), cause that the wiring in circuit is extremely complex, cost is very high, and the present embodiment uses two pieces
The single-chip microcomputer of 14 pin is respectively controlled to satellite signal reception module, simplifies wire structures so that switch single unit system is more
Plus it is compact, relative to the cost of wiring, the cost of single-chip microcomputer is relatively low, therefore the utility model reduces wiring cost.
A, B, C, D signal are connected up in order, and the junction of diode 5 is parallel with a resistance between B and C signal,
The other end of the electric capacity is connected to the (IC1 of triode 8：9) colelctor electrode, the grounded emitter of triode 8, base stage and the first monolithic
The pin connection of machine.
When user will select A groups or group-b signal, at this moment triode 8 will be turned on, and gate the first single-chip microcomputer so that the list
Piece machine works and then controls corresponding induction of signal output module to be switched on, conversely, when C groups or D group signals is selected, triode
8 will be not turned on, then second singlechip is strobed so that the single-chip microcomputer works and then controls corresponding induction of signal output module quilt
Conducting.
The present embodiment also includes satellite-signal amplification module and satellite-signal filtration module, the satellite-signal amplification module
It is connected with induction of signal output module, the satellite-signal filtration module is connected with satellite-signal amplification module, the satellite letter
Number amplification module is connected with gating signal output end.
The present embodiment also includes ground signal processing module, the ground signal processing resume module ground signal, through place
Ground signal after reason mixes output to Set Top Box with the gated signal output part of selected satellite-signal.
The ground signal processing module includes the first ground signal filtration module, the first ground signal filtration module
One end is connected to ground signal input 10, and the other end is connected to ground signal amplifier, and the ground signal amplifier also connects
Magnetic core coupling module is connect, the magnetic core coupling module has been also connected with the second ground signal filtration module, the second ground letter
Number filtration module has been also connected with gating signal output end 9.
Claims (9)
1. a kind of satellite switch, including the satellite signal reception module that is sequentially connected and signal switching apparatus, it is characterised in that institute
Stating satellite signal reception module includes n tuner, the satellite-signal for receiving multiple frequency ranges, the satellite-signal of each frequency range
There is respective satellite signal transit passage, the signal switching apparatus include selection handover module and n satellite-signal sensing
Output module, each satellite signal transit passage is corresponding with respective satellite-signal sensing output module respectively, the n
Satellite-signal sensing output module is connected with selection handover module respectively, and the selection handover module receives the control letter of user
Number, corresponding satellite-signal sensing output module is gated with according to the control signal of user, export the satellite-signal of corresponding band.
2. a kind of satellite switch according to claim 1, it is characterised in that the satellite-signal senses output module bag
A segment signal coupling line, switch triode, two resistance, an electric capacity and three diodes are included, the switch uses three
The grounded emitter of pole pipe, base stage is connected with handover module, and colelctor electrode is connected with one end of first resistor, first resistor it is another
End is connected with one end of second resistance, and described signal induction module one end is connected with one end of second resistance, the other end and first
The negative pole connection of diode, the signal coupling line is used to sense the signal on satellite signal transit passage, produces comprising identical
The satellite-signal of channel information, between one end of the electric capacity is connected to two resistance connecting lines, other end ground connection, the first diode
With the second Diode series, the first and second diodes and the 3rd diodes in parallel, the 3rd diode sense with next signal
3rd diodes in parallel of output module.
3. a kind of satellite switch according to claim 2, it is characterised in that the length and induced signal of the coupling line
The intensity intensity of induced signal that is directly proportional be directly proportional to the length of coupling line.
4. a kind of satellite switch according to claim 2, it is characterised in that the selection handover module includes several lists
Piece machine, the base stage of the triode is connected respectively on the pin of single-chip microcomputer, selection instruction control of the single-chip microcomputer according to user
Make corresponding triode ON.
5. a kind of satellite switch according to claim 1, it is characterised in that the signal receiving module include 4 it is high
Frequency head, it is one group that each tuner exports 4 signals, has four groups of signals, corresponding satellite signal transit passage and signal sense
Output module is answered to be also classified into four groups, the selection handover module includes two 14 pin single-chip microcomputers, first group and second group of signal sense
The base stage of the control triode of output module is answered to be connected to the pin of the first single-chip microcomputer, second group and the 3rd group of induction of signal is defeated
The base stage for going out the control triode of module is connected to the pin of second singlechip.
6. a kind of satellite switch according to claim 5, it is characterised in that first group to the 4th group satellite signal transit
Channel sequence is arranged, and an electricity is parallel with the 3rd diode junction of second group and the 3rd group induction of signal output module
Resistance, the other end of the resistance is connected to a colelctor electrode for triode, the grounded emitter of the triode, base stage and the first monolithic
The pin connection of machine, when user gates first group and second group of signal, the single-chip microcomputer pin output for being connected to the triode is low
Level, triode cut-off, single-chip microcomputer gate first and second group according to user instruction in certain satellite-signal all the way；And work as user's gating
Be third and fourth group of signal when, be connected with the transistor base single-chip microcomputer output high level, the triode ON, all strings
The diode being associated on main line is turned on plus forward voltage, so as to ensure that third and fourth Zu Zhongmou roads signal can smoothly reach use
The amplifier of family port, exports after amplified filtering and gives user's Set Top Box.
7. a kind of satellite switch according to claim 1, it is characterised in that also including satellite-signal amplification module and defend
Star signal filtering module, the satellite-signal amplification module is connected with induction of signal output module, and the satellite-signal filters mould
Block is connected with satellite-signal amplification module, and the satellite-signal amplification module is connected with gating signal output end.
8. a kind of satellite switch according to claim 1, it is characterised in that described also including ground signal processing module
Ground signal processing resume module ground signal, is blended in selected satellite-signal through the ground signal after treatment through signal
Set Top Box is arrived in output together.
9. a kind of satellite switch according to claim 8, it is characterised in that the ground signal processing module includes the
One ground signal filtration module, described first ground signal filtration module one end is connected to ground signal input, and the other end connects
Ground signal amplifier is connect, the ground signal amplifier has been also connected with magnetic core coupling module, and the magnetic core coupling module is also
The second ground signal filtration module is connected to, filter effect is further improved, the second ground signal filtration module is also connected with
Gating signal output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620705987.1U CN206274649U (en) | 2016-07-06 | 2016-07-06 | A kind of satellite switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620705987.1U CN206274649U (en) | 2016-07-06 | 2016-07-06 | A kind of satellite switch |
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| Publication Number | Publication Date |
|---|---|
| CN206274649U true CN206274649U (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620705987.1U Active CN206274649U (en) | 2016-07-06 | 2016-07-06 | A kind of satellite switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452554A (en) * | 2016-07-06 | 2017-02-22 | 深圳市安拓浦科技有限公司 | Satellite switch |
-
2016
- 2016-07-06 CN CN201620705987.1U patent/CN206274649U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452554A (en) * | 2016-07-06 | 2017-02-22 | 深圳市安拓浦科技有限公司 | Satellite switch |
| CN106452554B (en) * | 2016-07-06 | 2024-01-30 | 深圳市安拓浦科技有限公司 | Satellite switch |
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