CN103686160B - Universal digital television emission intelligent monitoring switched system and changing method - Google Patents
Universal digital television emission intelligent monitoring switched system and changing method Download PDFInfo
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- CN103686160B CN103686160B CN201410001288.4A CN201410001288A CN103686160B CN 103686160 B CN103686160 B CN 103686160B CN 201410001288 A CN201410001288 A CN 201410001288A CN 103686160 B CN103686160 B CN 103686160B
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Abstract
The invention discloses a kind of Universal digital television emission intelligent monitoring switched system and changing method, relate to technical field of electronic communication, its at least one road wireless transmission complete set of equipments, intelligent broadband standby transmitter, signal shifter, Management Controller, dummy load, antenna feeder and intelligent coaxial switch controller; Described wireless transmission complete set of equipments is formed primarily of transmitter, intelligent power switch, coupling geophone and intelligent coaxial switch, intelligent power switch is connected with the power end of transmitter, the RF signal that transmitter sends is successively through coupling geophone, intelligent coaxial switch, and coupling geophone detects the power output of transmitter and reflection power and detecting circuit is delivered to Management Controller; Signal shifter, intelligent coaxial switch controller described in described Management Controller connection control.The present invention adopts Web mode to implement remote monitoring, can realize the remote monitoring to multiple wireless emission system, realizes automatically detecting, automatically switch, self-healing automatically.
Description
Technical field
The present invention relates to technical field of electronic communication, be specifically related to a kind of Universal digital television emission intelligent monitoring switched system and changing method, realize the remote monitoring of the multiple stage master transmitter to wireless transmitting system, switching.
Background technology
In order to ensure that the safety and stability of broadcast TV program is broadcasted, the transmitter of the radio and television station must arrange backup machine; And remote monitoring and control are carried out to transmitter running status.Traditional mode is, adopts a main frame just must back up a guest machine (i.e. many standby hosts wireless transmitting system) replaced and carries out work; And this mode exists the critical defects such as equipment consumption is large, cost of investment is high obviously, for this reason, just germinate " intelligent standby host shares wireless transmitting system " that the quick emergency reaction of energy, ensure normal broadcast.
So-called standby host shares, and adds by the multiple wireless emission system multiple stage master transmitter on more than two-way (containing two to eight tunnels) system equipment that a backup machine forms.Realize when a master transmitter of emission system break down can not normally broadcast time, make fast reaction, substitute work by the transmitter backed up, until the function switched back again after this master transmitter reparation; Thus ensure that emission system is working properly.
Along with the development of the Internet and universal, breach the conceptual framework of traditional Remote monitoring.The remote monitoring mode of sing on web by restriction that is geographical and space, as long as the place that the Internet can be connected to, all by the running status of browser watch-dog in real time.
The transmitter remote monitoring platform of general employing Web mode, can only realize the remote monitoring to transmitter, cannot automatically switch.
Summary of the invention
For above-mentioned prior art, order of the present invention is how to provide a kind of Universal digital television emission intelligent monitoring switched system, set up a simple remote system that can conveniently implement, with realization to the remote monitoring of transmitter and automatic switchover, and all multiple wireless transmitting complete set of equipments can be applicable to.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Universal digital television emission intelligent monitoring switched system, is characterized in that, comprises at least one road wireless transmission complete set of equipments, intelligent broadband standby transmitter, signal shifter, Management Controller, dummy load, antenna feeder and intelligent coaxial switch controller; Described wireless transmission complete set of equipments is formed primarily of transmitter, intelligent power switch, coupling geophone and intelligent coaxial switch, intelligent power switch is connected with the power end of transmitter, the RF signal that transmitter sends is successively through coupling geophone, intelligent coaxial switch, coupling geophone detects the power output of transmitter and reflection power and detecting circuit is delivered to Management Controller, and the output of intelligent coaxial switch is connected to antenna feeder or dummy load; Signal shifter, intelligent coaxial switch controller described in described Management Controller connection control.
In the present invention, also comprise an adaptive switch, Management Controller is connected with data center by adaptive switch, realizes long-distance intelligent control.
Based on the changing method of Universal digital television emission intelligent monitoring switched system, it is characterized in that, comprise the steps:
Step one: command response: given an order by Management Controller or touch-screen, performs at once;
Step 2: change detection: be consecutively detected power and reach setting lower than the number of times of power handoff threshold and detect number of times, just switch immediately, enter switching flow;
Step 3: detect coaxial switch whether multiple all in main frame position, if coaxial switch is correct, enters next step, otherwise exits switching flow;
Step 4: detect intelligent broadband standby transmitter when coaxial switch is correct and whether shut down: power is lower than 5W, and intelligent broadband standby transmitter on off state is shutdown; If intelligent broadband standby transmitter shuts down, enter next step, otherwise exit switching flow;
Step 5: detect again when intelligent broadband standby transmitter shuts down and need the main frame switched whether to shut down, power is lower than 5W, and on off state is shutdown, if the main frame shutdown switched, enters next step, otherwise exits switching flow;
Step 6: whether detect modulator parameter and arrange correct, the mode of operation of intelligent broadband standby transmitter modulation is the mode of operation switching main frame, if correctly arranged, enters next step, otherwise arranges modulator, exit switching flow;
Step 7: when modulator parameter arranges correct, sends out coaxial switch switching command, detects coaxial switch position, if correctly arranged, enters next step, otherwise sends coaxial switch switching, exits switching flow;
Step 8: whether the power detecting intelligent broadband standby transmitter reaches 40% of rated power, if reached, enters next step, otherwise do not send the order of unlatching standby host, exit switching flow.
In described step 2, it is 2 seconds/time that setting detects number of times.
Operation principle of the present invention is as follows:
When system monitoring to multiple wireless launch certain transmitter of complete set of equipments break down (power is below or above threshold values) time, Management Controller will send corresponding instruction, the power supply of closing fault transmitter, confirm that its power output is after 0, its RF delivery outlet is switched to dummy load, the intelligent broadband standby transmitter RF delivery outlet of native system is connected to channel corresponding to fault transmitter simultaneously; Then by the modulator channel switch of intelligent broadband standby transmitter to channel corresponding to fault transmitter-modulator, the signal source of the modulator of intelligent broadband standby transmitter is switched to signal source corresponding to fault transmitter-modulator, open intelligent broadband standby transmitter; Such intelligent broadband standby transmitter just replaces the master transmitter work of breaking down.After fault transmitter is repaired, start is normal, and system can recover original state automatically, allows intelligent broadband standby transmitter get back to closed condition and awaits orders.
Compared with prior art, the present invention has following beneficial effect:
One, the present invention adopts Web mode to implement remote monitoring, make full use of networked devices and fiber optical transceiver or wireless router, when adopting Wireless Networking, user also can autogamy Mobile phone card supplementing with money, the website of user's websites contributed or login system manufacturing firm, can realize the remote monitoring to multiple wireless emission system;
Two, the present invention can launch complete set of equipments to original multiple wireless, carries out intellectualized reconstruction, the features such as tool is simple and easy, convenient, general and intelligent;
Three, emission system is managed, the work in every state of each transmitter can be monitored, intelligent broadband standby transmitter provided by the invention is automatically switched to when detecting that master transmitter breaks down, and make when self-healing automatic after hostdown solution is to main frame, even if emission system has self-healing function;
Four, this is bright to realize automatic detection, automatic switchover, self-healing automatically, while radiofrequency signal switches, carries out channel switch, level switches, signal source switches;
Five, the present invention carries out cold standby, power consumptive province, and transmitter, without the need to double excitation, can save the great amount of investment of country to broadcasting and TV cause greatly.
Accompanying drawing explanation
Fig. 1 is that Universal wireless launches intelligent monitoring switched system theory diagram;
Fig. 2 is the intelligent monitoring switched system theory diagram being applied to digital television transmissions;
Fig. 3 is the intelligent monitoring switched system theory diagram being applied to FM broadcasting transmitting.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Universal digital television emission intelligent monitoring switched system, comprises at least one road wireless transmission complete set of equipments, intelligent broadband standby transmitter, signal shifter, Management Controller, dummy load, antenna feeder and intelligent coaxial switch controller; Described wireless transmission complete set of equipments is formed primarily of transmitter, intelligent power switch, coupling geophone and intelligent coaxial switch, intelligent power switch is connected with the power end of transmitter, the RF signal that transmitter sends is successively through coupling geophone, intelligent coaxial switch, coupling geophone detects the power output of transmitter and reflection power and detecting circuit is delivered to Management Controller, and the output of intelligent coaxial switch is connected to antenna feeder or dummy load; Signal shifter, intelligent coaxial switch controller described in described Management Controller connection control.
Management Controller is the main control device of native system; Be responsible for the power output parameter gathering each transmitter, judge its operating state; According to the operating state of monitored system, send corresponding control command; And can the operating state of system be sent to remote monitoring terminal.
Detect by coupling geophone power output and the reflection power that multiple wireless launches each transmitter of complete set of equipments, detecting circuit delivers to Management Controller, judges whether it normally works on this basis.
Every monitoring index of each transmitter, connects switch by Management Controller by network interface (RJ45), delivers to remote monitoring terminal by network.Remote monitoring terminal shows running parameter and the operating state of each associated transmissions equipment, timing storing state and data.The threshold values that each parameter exceeds standard sets on Management Controller, also sets on remote monitoring terminal.Running parameter transfinite or abnormal state time, Management Controller is reported to the police and record immediately; Start when meeting switching condition and switch, ensure that multiple wireless launches complete set of equipments working properly, realize local monitor.Running parameter transfinite or abnormal state time, remote monitoring terminal is reported to the police and record immediately; Start when meeting switching condition and switch, ensure that multiple wireless launches complete set of equipments working properly, realize remote monitoring.Perfect native system, is actually dual monitoring, and namely local and remote monitoring exists simultaneously.The reliability that multiple wireless launches complete set of equipments work obtains dual guarantee therefrom.
Intelligence coaxial switch controller: the control appliance being intelligent coaxial switch, and the operating state that can obtain coaxial switch; Accept the instruction of Management Controller, and switch radio frequency (RF) high-power signal of main frame and standby host.
Intelligence coaxial switch controller, based on the embedded chip LM3S9B92 of TI company, builds safe and reliable Intelligent switchover control system.Its major function: support that RJ45 with RS485 communicates, resolve the control command of Management Controller, controls and detects coaxial switch, making the transmitter of specifying export antenna feeder or dummy load to.
Intelligence coaxial switch: the instruction performing Management Controller, diverter switch position, makes the transmitter of specifying export antenna feeder or dummy load to.
Signal shifter: for switching the signal source of multiple wireless emission system; Accept the instruction of Management Controller, make being consistent of the signal source of standby host and fault transmitter.
Adaptive switch: for connecting Management Controller and the remote monitoring terminal of multiple wireless emission system; Realize remote monitoring.
Dummy load: for a certain master transmitter break down needs repair time, guarantee safety, avoid no-load running in transmitter repair process.
Intelligent power switch: when the transmitter in user's original system does not possess remote control (long-range) open and close machine function, then intelligent power switch of the present invention (three-phase or single-phase), can be added in the input power place of each transmitter, can implement Long-distance Control open and close machine.
Embodiment one local monitor
Described Management Controller is directly connected with standby transmitter network interface, realizes Based Intelligent Control.
Embodiment two remote monitoring
Also comprise a switch, Management Controller is connected with data center by switch, realizes long-distance intelligent control.Switch can adopt wireless transmission method, adopts wireless transmission as added 3G route, SIM card.
Transmitter as original in user does not possess remote control (long-range) open and close machine function, and intelligent power switch of the present invention (three-phase or single-phase), can be added in the input power place of each transmitter, can implement Long-distance Control.The modulator of the original transmitter of user should be arranged on as broken down (as no signal source, signal source mistake, the catastrophe failure such as overheated), and in time, is without RF output state.
In system of the present invention, also specify the maximum operating time (4 minutes) of each step in handoff procedure, if exceed this time, stopping switches by system, will record the reason of handoff failure.User should carry out artificial intervention in this case, and when getting rid of hardware fault, the position according to coaxial switch re-executes once (if standby host position appears in coaxial switch, need carry out pressure self-healing; If coaxial switch is main frame position entirely, need carry out forcing standby), whether check system can normally work.
The time parameter switched is as following table:
| Project name | Time of implementation | Normal working hours | Maximum normal working hours |
| Coaxial switch communicates | 1 second | 30 seconds | 240 seconds |
| Pass standby host detects | 5 seconds | 30 seconds | 240 seconds |
| Close Host Detection | 5 seconds | 30 seconds | 240 seconds |
| Modulator is arranged | 2 seconds | 30 seconds | 240 seconds |
| Coaxial switch action | 1 second | 30 seconds | 240 seconds |
| Standby host starts | 5 seconds | 90 seconds | 240 seconds |
The present invention was both applicable to Digital Television, was also applicable to simulated television; Both be applicable to television broadcasting, be also applicable to the intellectuality of FM broadcasting; Both be adapted to different power grades, also can be adapted to the equipment of different vendor; Both be applicable to the manufacturing firm of complete transmitter, be also applicable to the radio and television station at different levels carries out intelligentized updating replacement technological transformation to original transmitter.
Claims (1)
1. Universal digital television emission intelligent monitoring switched system, is characterized in that, comprises at least one road wireless transmission complete set of equipments, intelligent broadband standby transmitter, signal shifter, Management Controller, dummy load, antenna feeder and intelligent coaxial switch controller; Described wireless transmission complete set of equipments is formed primarily of transmitter, intelligent power switch, coupling geophone and intelligent coaxial switch, intelligent power switch is connected with the power end of transmitter, the RF signal that transmitter sends is successively through coupling geophone, intelligent coaxial switch, coupling geophone detects the power output of transmitter and reflection power and detecting circuit is delivered to Management Controller, and the output of intelligent coaxial switch is connected to antenna feeder or dummy load; Signal shifter, intelligent coaxial switch controller described in described Management Controller connection control; Also comprise an adaptive switch, Management Controller is connected with data center by adaptive switch, realizes long-distance intelligent control;
Wherein, when the power that coupling geophone monitors the transmitter of wireless transmission complete set of equipments is below or above threshold values, Management Controller sends corresponding instruction, the power supply of intelligent power switch closing fault transmitter, Management Controller confirms that the power output of fault transmitter is after 0, the RF delivery outlet of fault transmitter is switched to dummy load, the RF delivery outlet of intelligent broadband standby transmitter is connected to channel corresponding to fault transmitter simultaneously; Signal shifter by the modulator channel switch of intelligent broadband standby transmitter to channel corresponding to the modulator of fault transmitter, the signal source of the modulator of intelligent broadband standby transmitter is switched to the signal source that the modulator of fault transmitter is corresponding, Management Controller opens intelligent broadband standby transmitter.
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| CN201410001288.4A CN103686160B (en) | 2014-01-02 | 2014-01-02 | Universal digital television emission intelligent monitoring switched system and changing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103929486B (en) * | 2014-04-22 | 2017-12-08 | 福建三元达科技有限公司 | Based on single-chip microcomputer real-time monitoring system and its method for realizing WEB server |
| CN109818632B (en) * | 2019-03-21 | 2024-01-30 | 北京贝尔德科技有限责任公司 | Novel broadcast transmitter switching system |
| CN111934900A (en) * | 2020-06-24 | 2020-11-13 | 上海文化广播影视集团有限公司 | Emergency system and method for switching intermediate frequency through modulator |
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2014
- 2014-01-02 CN CN201410001288.4A patent/CN103686160B/en not_active Expired - Fee Related
Patent Citations (7)
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| CN201153288Y (en) * | 2008-01-29 | 2008-11-19 | 成都康特数字广播电视设备有限公司 | Automatic master-slave switching apparatus for broadcast television sending machine |
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