CN207369019U - A kind of new N+1 wireless transmitting systems - Google Patents
A kind of new N+1 wireless transmitting systems Download PDFInfo
- Publication number
- CN207369019U CN207369019U CN201721234331.7U CN201721234331U CN207369019U CN 207369019 U CN207369019 U CN 207369019U CN 201721234331 U CN201721234331 U CN 201721234331U CN 207369019 U CN207369019 U CN 207369019U
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- switch
- wireless transmitting
- unit
- machine host
- input terminal
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Abstract
The utility model discloses a kind of new N+1 wireless transmitting systems, including：Coaxial switch, N+1 collectors, fictitious load, power amplifier unit, interchanger, N+1 signal shifters, N+1 master controllers, exciting unit and passive switch.The utility model can connect more transmitting machine hosts at the same time, and all units are incorporated into a cabinet, easy for installation, the N+1 master controllers are designed using RAM, the system is intelligently switched, by using passive switch, the active-standby switch of exciting unit is carried out, securely and reliably.
Description
Technical field
Broadcast transmission system field is the utility model is related to, particularly a kind of new N+1 wireless transmitting systems.
Background technology
N+1 wireless transmitting systems in China include at present：Modulator, bitstreams switching device, transmitter, exciting unit, monitoring are single
Member, N+1 switch, fictitious load, coaxial switch controller, interchanger.Wherein, N+1 switch is the control centre of system, is responsible for
Transmitter state, switching transmitter, switch modulation device, switching bitstreams switching device are monitored, and is communicated with PC management ends.N+1 is cut
Parallel operation is mainly used for switching corresponding transmitter supply and coaxial switch, and failure transmitter output port is switched to fictitious load,
Standby transmitter is switched to antenna-feeder system.Last N+1 switch opens standby transmitter power supply, starts auxiliary transmitter work.
But traditional N+1 wireless transmitting systems signal uses active switching, when the power circuit of active switcher occurs
Cannot effectively it be switched during problem；Also, it is controlled by PC management end softwares, this control model handles energy to controller
Power and reliability requirement are very high；Moreover, coaxial switch is installed on transmitting machine host, it is very numerous and diverse in installation on the spot.
Utility model content
The utility model provides a kind of new N+1 wireless transmitting systems, conveniently, intelligently can install and use, and
And stability is good.
To achieve these goals, the technical solution adopted in the utility model is：A kind of new N+1 wireless transmissions system
System.
N+1 wireless transmitting systems, refer to the system as standby transmitter, while connect N platforms transmitting machine host, including：
Coaxial switch, N+1 collectors, fictitious load, power amplifier unit, interchanger, N+1 signal shifters, N+1 master controllers, exciting unit
With passive switch.
Preferably, the N+1 wireless transmitting systems are by coaxial switch, N+1 collectors, fictitious load, power amplifier unit, exchange
Machine, N+1 signal shifters, N+1 master controllers, exciting unit and passive switch are incorporated into a cabinet, and cabinet is provided with
Input terminal and output terminal.Launch input terminal input signal of the machine host by cabinet, and by the coaxial switch of connection, from cabinet
Output terminal by signal output into multiplexer.
Preferably, the coaxial switch is provided with N number of, and is connected one to one with the transmitting machine host, each hair
Penetrate machine host and connect a coaxial switch.
Further, the coaxial switch is connected with each other, and with the fictitious load.
Preferably, the N+1 collectors are provided with N number of, and are connected one to one with the transmitting machine host, each hair
Penetrate machine host and connect a N+1 collector.
Preferably, the coaxial switch connects one to one with the N+1 collectors, each coaxial switch connects one
N+1 collectors.
Preferably, the N+1 master controllers, N+1 collectors, exciting unit, is connected with each other by interchanger.
Preferably, the N+1 master controllers use RAM processors.
Preferably, the exciting unit, including a master drive unit and a standby exciting unit.
Preferably, the passive switch has three ports, is respectively master drive unit input terminal, standby exciting unit input
End, wherein signal output part, master drive unit input terminal connect the master drive unit, for described in the connection of exciting unit input terminal
Standby exciting unit, signal output part connect the power amplifier unit.
Preferably, the power amplifier unit, including signal input part, signal output part, signal input part passive are cut with described
Parallel operation signal output part connects, and signal output part is connected with coaxial switch.
The utility model is such as used, all units are all installed in a cabinet, and N+1 master controllers use
RAM processors design so that system can be switched over intelligently automatically, can not only depart from computer system autonomous working, but also can lead to
Cross computer remote monitoring so that on the spot install and operate all facilitate in the extreme, and due to using passive switch and it is active and standby swash
The passive switching mode of unit composition is encouraged, greatly increases the reliability of system.
Brief description of the drawings
Fig. 1 is a kind of system schematic of N+1 wireless transmitting systems embodiment of the utility model.
Fig. 2 is coaxially opened when being a kind of transmitting machine host normal operation of N+1 wireless transmitting systems embodiment of the utility model
Off status figure.
Coaxial switch shape when Fig. 3 is a kind of transmitter hostdown of N+1 wireless transmitting systems embodiment of the utility model
State figure.
Marked in figure：1- multiplexers, 2- transmitting machine hosts, 21- first launch machine host, and it is defeated that 211- first launches machine host
Enter end, 212- the first transmitter host output ends, 22- second launches machine host, and 221- second launches machine host input terminal, 222-
Second transmitter host output end, 23- the 3rd launch machine host, and 231- the 3rd launches machine host input terminal, and 232- the 3rd launches
Machine host output terminal, 3- coaxial switches, the first coaxial switches of 31-, the second coaxial switches of 32-, the 3rd coaxial switches of 33-, 4-N+1
Collector, the first N+1 collectors of 41-, the 2nd N+1 collectors of 42-, the 3rd N+1 collectors of 43-, 5- fictitious loads, 6- power amplifier lists
Member, 7- interchangers, 8-N+1 signal shifters, 9-N+1 master controllers, 10- exciting units, the passive switch of 11-.
Embodiment
With reference to the accompanying drawings and embodiments, the utility model is further elaborated.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the utility model, is not used to limit the utility model.
As shown in Figure 1, the present embodiment wireless transmitting system is connected with 3 transmitting machine hosts, for more preferable explanation, the present embodiment
Wireless transmitting system is known as 3+1 wireless transmitting systems, including coaxial switch 3, N+1 collectors 4, fictitious load 5, power amplifier unit 6, friendship
Change planes 7, N+1 signal shifters 8, N+1 master controllers 9, exciting unit 10 and passive switch 11.The present embodiment 3+1 is wirelessly sent out
Penetrate system all units are incorporated into a cabinet, enclosure top is provided with input terminal and output terminal.Transmitting machine host 2 passes through
The input terminal input signal of enclosure top, and by the coaxial switch 3 of connection, from the output terminal of enclosure top by signal output to
In multiplexer 1.
The coaxial switch 3, the transmitting machine host 2 being connected with the system connect one to one, the first transmitting machine host 21
Be connected with the first coaxial switch 31, second transmitting machine host 22 is connected with the second coaxial switch 32, the 3rd transmitting machine host 23 and
3rd coaxial switch 33 connects.
As shown in Fig. 2, first coaxial switch 31, the second coaxial switch 32, the 3rd coaxial switch 33 are sequentially connected, and
And first coaxial switch 33 be also connected with fictitious load 5.
The N+1 collectors 4, connect one to one with the transmitting machine host 2, the first N+1 collectors 41 and the first hair
Penetrate machine host 21 to connect, the 2nd N+1 collectors 42 are connected with the second transmitting machine host 22, the 3rd N+1 collectors 43 and the 3rd hair
Machine host 23 is penetrated to connect.
The coaxial switch 3 connects one to one with the N+1 collectors 4, and the first coaxial switch 31 and the first N+1 are gathered
Device 41 connects, and the second coaxial switch 32 is connected with the 2nd N+1 collectors 42, the 3rd coaxial switch 33 and the 3rd N+1 collectors 43
Connection.
The N+1 master controllers 9 use RAM processors.
The exciting unit 10, including master drive unit and standby exciting unit, in opening for the present embodiment wireless transmitting system
In dynamic, if master drive unit breaks down when failing to start, master drive unit is switched to by standby excitation by passive switch 11
Unit.
The passive switch 11 includes：Master drive unit input terminal, standby exciting unit input terminal, signal output part are main
Exciting unit input terminal connects the master drive unit, and standby exciting unit input terminal connects the standby exciting unit, signal output
End connects the power amplifier unit 6.Switch-over control signal is from power amplifier unit 6 below, in the present embodiment wireless transmitting system
In startup, exciting unit 10 is output in the signal of power amplifier unit 6 and is mixed with direct current signal, when master drive unit input terminal is normal
When, power amplifier unit 6 feeds back direct current signal, and signal output part is connected with master drive unit input terminal, when master drive unit occurs
When failure fails to start, signal output part is disconnected with master drive unit input terminal, and power amplifier unit 6 feeds back direct current signal, signal
Output terminal and standby exciting unit input terminal turn on automatically.
The power amplifier unit 6, including signal input part, signal output part, signal input part and passive 11 signal of switch
Output terminal connects, and signal output part is connected with coaxial switch 31.
2 output power of transmitting machine host in N+1 master controllers 9 by the collection connection of N+1 collectors 4, in real time monitoring are sent out
When penetrating the broadcast situation of machine host 2, when N+1 master controllers 9 find to have 2 output power of transmitting machine host in broadcast slot less than pre-
The situation and duration that gating limits exceed default time span, then it is assumed that failure.At this time by the present embodiment wireless transmission system
In system generation, broadcasts failure transmitting machine host 2, while output alarm signal.
The Booting sequence of the present embodiment wireless transmitting system：
When the second transmitting machine host 22 breaks down, its 2nd N+1 collector 42 connected collects failure, and will be former
Barrier information is sent to N+1 master controllers 9, after 9 handling failure information of N+1 master controllers, is respectively referred to control by interchanger 7
The 2nd N+1 collectors 42, N+1 signal shifters 8, exciting unit 10 are issued in order, realize following action：
First, after the 2nd N+1 collectors 42 receive 9 control instruction of N+1 master controllers, the second transmitting machine host 22 is closed
Power supply, and switch the second coaxial switch 32, as shown in figure 3, the second transmitting machine host input terminal 221 is connected to fictitious load 5, together
When power amplifier unit 6 be connected to the second transmitter host output end 222；
Then, after N+1 signal shifters 8 receive 9 control instruction of N+1 master controllers, the second transmitting machine host 22 is broadcast
The program stream that the program stream switch put is played to the present embodiment wireless transmitting system；
Finally, exciting unit 10 starts after receiving 9 control instruction of N+1 master controllers, the program stream frequency is set, by N+
The signal of 1 signal shifter 8 is modulated, and restarts power amplifier unit 6, and 10 modulated signal of exciting unit is amplified, and leads to
Cross the second transmitter host output end 222 as shown in Figure 3 to be output in corresponding multiplexer port, broadcasted by antenna.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
- A kind of 1. new N+1 wireless transmitting systems, it is characterised in that including：Coaxial switch, power amplifier unit, exciting unit and Passive switch；The exciting unit, including a master drive unit and a standby exciting unit；The passive switch, including master drive unit input terminal, standby exciting unit input terminal, signal output part, master drive list First input terminal connects the master drive unit, and standby exciting unit input terminal connects the standby exciting unit, signal output part connection The power amplifier unit；The power amplifier unit, including signal input part, signal output part, signal input part and the passive switch signal output End connection, signal output part are connected with the coaxial switch.
- 2. N+1 wireless transmitting systems according to claim 1, it is characterised in that the N+1 wireless transmitting systems, are integrated In a cabinet, cabinet is provided with input terminal and output terminal, launches input terminal input signal of the machine host by cabinet, and lead to The coaxial switch of connection is crossed, from the output terminal of cabinet by signal output to multiplexer.
- 3. N+1 wireless transmitting systems according to claim 1, it is characterised in that further include：N+1 master controllers, N+1 are adopted Storage, exciting unit, interchanger, the N+1 master controllers, N+1 collectors, exciting unit, are mutually interconnected by the interchanger Connect.
- 4. N+1 wireless transmitting systems according to claim 3, it is characterised in that the N+1 master controllers are using at RAM Manage device.
- 5. N+1 wireless transmitting systems according to claim 1, it is characterised in that the coaxial switch be provided with it is N number of, and Connect one to one with the transmitting machine host, each transmitting machine host connects a coaxial switch；It is and described coaxially to open Pass is sequentially connected, and is connected with fictitious load.
- 6. N+1 wireless transmitting systems according to claim 3, it is characterised in that the N+1 collectors be provided with it is N number of, and Connect one to one with the transmitting machine host, each transmitting machine host connects a N+1 collector.
- 7. N+1 wireless transmitting systems according to claim 6, it is characterised in that the coaxial switch is gathered with the N+1 Device connects one to one, each coaxial switch connects a N+1 collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234331.7U CN207369019U (en) | 2017-09-25 | 2017-09-25 | A kind of new N+1 wireless transmitting systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234331.7U CN207369019U (en) | 2017-09-25 | 2017-09-25 | A kind of new N+1 wireless transmitting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207369019U true CN207369019U (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721234331.7U Active CN207369019U (en) | 2017-09-25 | 2017-09-25 | A kind of new N+1 wireless transmitting systems |
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| CN (1) | CN207369019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116800283A (en) * | 2023-08-16 | 2023-09-22 | 成都德芯数字科技股份有限公司 | N+1 switching transmitting system and information monitoring method thereof |
-
2017
- 2017-09-25 CN CN201721234331.7U patent/CN207369019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116800283A (en) * | 2023-08-16 | 2023-09-22 | 成都德芯数字科技股份有限公司 | N+1 switching transmitting system and information monitoring method thereof |
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