CN103686160A - Universal digital television emission intelligent monitoring switching system and switching method - Google Patents
Universal digital television emission intelligent monitoring switching system and switching method Download PDFInfo
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- CN103686160A CN103686160A CN201410001288.4A CN201410001288A CN103686160A CN 103686160 A CN103686160 A CN 103686160A CN 201410001288 A CN201410001288 A CN 201410001288A CN 103686160 A CN103686160 A CN 103686160A
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Abstract
The invention discloses a universal digital television emission intelligent monitoring switching system and a switching method, and relates to the field of an electronic communication technology. The switching system consists of at least one wireless transmission complete plant, a stand-by transmitter for an intelligent broadband, a signal switcher, a management controller, a false load, an antenna feeder and an intelligent coaxial switch controller; the wireless transmission complete plant mainly consists of a transmitter, an intelligent power switch, a coupled detector and an intelligent coaxial switch, wherein the intelligent power switch is connected with the power end of the transmitter, a RF signal transmitted by the transmitter sequentially passes through the coupled detector and the intelligent coaxial switch, and the coupled detector detects the output power and refection power of the transmitter and transmits detection voltage to the management controller; and the management controller is controllably connected with the signal switcher and the intelligent coaxial switch controller. By adopting a Web way to realize long-range monitoring, the long-distance monitoring for a multi-way wireless transmission system can be realized, and automatic detection, switching and seal-healing can be realized.
Description
Technical field
The present invention relates to electronic communication field, be specifically related to a kind of universal digital transmission of television intelligent monitoring switched system and changing method, realize the remote monitoring of many master transmitters of wireless transmitting system, switching.
Background technology
In order to guarantee the safety and stability broadcast of broadcast TV program, the transmitter of the radio and television station must arrange backup machine; And transmitter running status is carried out to remote monitoring and control.Traditional mode is to adopt a main frame to carry out work with regard to backing up the guest machine (being many standby hosts wireless transmitting system) of a replacement; And this mode exists the critical defects such as equipment consumption is large, cost of investment is high apparent, for this reason, just germinate and emergency reaction, normal " intelligent standby host shares wireless transmitting system " of broadcasting of assurance fast.
So-called standby host shares, and by many master transmitters of multiple wireless emission system that more than two-way (contain Er Zhi eight tunnels), adds the system equipment that a backup machine forms.A master transmitter of realizing when emission system breaks down in the time of can not normally broadcasting, and makes fast reaction, by the alternative work of the transmitter backing up, until the function switching back again after this master transmitter reparation; Thereby guarantee that emission system is working properly.
Along with the development of the Internet and universal, broken through the conceptual framework of traditional remote monitoring.Remote monitoring mode based on Web is not subject to the restriction in geographical and space, as long as the browser running status of watch-dog in real time all can be passed through in the place that the Internet can be connected to.
The general transmitter remote monitoring platform that adopts 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 transmission of television intelligent monitoring switched system, set up the simple remote system that can conveniently implement, to realize the remote monitoring of transmitter and automatic switchover, and can be applicable to all multiple wireless transmitting complete set of equipments.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Universal digital transmission of television 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 mainly consists 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 passes through coupling geophone, intelligent coaxial switch successively, coupling geophone detects power output and the reflection power of transmitter and detecting circuit is delivered to Management Controller, and the output of intelligent coaxial switch is connected to antenna feeder or dummy load; Described Management Controller connects controls described signal shifter, intelligent coaxial switch controller.
In the present invention, also comprise an adaptive switch, Management Controller is connected with data center by adaptive switch, realizes long-distance intelligent control.
Changing method based on universal digital transmission of television intelligent monitoring switched system, is characterized in that, comprises the steps:
Step 1: command response: given an order by Management Controller or touch-screen, carry out at once;
Step 2: change detection: be consecutively detected power and reach to set lower than the number of times of power handoff threshold and detect number of times, just switch immediately, enter switching flow;
Step 3: detect whether coaxial switch is a plurality of if coaxial switch is correct, enters next step all in main frame position, otherwise exit switching flow;
Step 4: detect intelligent broadband standby transmitter and whether shut down in the situation that coaxial switch is correct: power is lower than 5W, and intelligent broadband standby transmitter on off state is shutdown; If the shutdown of intelligent broadband standby transmitter, enters next step, otherwise exits switching flow;
Step 5: whether detect and need the main frame switching to shut down in the situation that intelligent broadband standby transmitter shuts down, power is lower than 5W, on off state is shutdown, if the main frame switching shutdown enters next step, otherwise exits switching flow;
Step 6: whether correctly detect modulator parameter setting, the mode of operation of intelligent broadband standby transmitter modulation, for switching the mode of operation of main frame, if correctly arranged, enters next step, otherwise modulator is set, and exits switching flow;
Step 7: arrange correct in the situation that in modulator parameter, send out coaxial switch switching command, detect coaxial switch position, if correctly arranged, enter next step, switch otherwise send coaxial switch, exit switching flow;
Step 8: whether the power that detects intelligent broadband standby transmitter reaches 40% of rated power, if reached, enters next step, does not open standby host order otherwise do not send, and exits switching flow.
In described step 2, setting and detecting number of times is 2 seconds/time.
Operation principle of the present invention is as follows:
When system monitoring breaks down (power is below or above threshold values) to certain transmitter of multiple wireless transmitting complete set of equipments, Management Controller will send corresponding instruction, the power supply of closing fault transmitter, after confirming that its power output is 0, its RF delivery outlet is switched to dummy load, the intelligent broadband standby transmitter RF delivery outlet of native system is connected to the channel that fault transmitter is corresponding simultaneously; Then the modulator channel of intelligent broadband standby transmitter is switched to the channel that fault transmitter-modulator is corresponding, the signal source of the modulator of intelligent broadband standby transmitter is switched to the signal source that fault transmitter-modulator is corresponding, open intelligent broadband standby transmitter; The master transmitter work that intelligent broadband standby transmitter breaks down with regard to replacement like this.After fault transmitter is repaired, start is normal, and system can be recovered 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, making full use of networked devices is fiber optical transceiver or wireless router, while adopting Wireless Networking, user also can autogamy Mobile phone card and supplement with money, the website of user's websites contributed or login system manufacturing firm, can realize the remote monitoring to multiple wireless emission system;
The features such as two, the present invention can carry out intellectualized reconstruction to original multiple wireless transmitting complete set of equipments, and tool is simple and easy, convenient, general and intelligent;
Three, emission system is managed, can monitor the work in every state of each transmitter, when detecting, when breaking down, master transmitter automatically switches to intelligent broadband standby transmitter provided by the invention, and make automatic self-healing after hostdown solves arrive main frame, even if emission system has self-healing function;
Four, this is bright to realize automatic detection, automatic switchover, self-healing automatically, when radiofrequency signal is switched, carries out channel switching, level switching, signal source switching;
Five, the present invention carries out cold standby, power consumptive province, and transmitter, without two excitations, can be saved the great amount of investment of country to broadcasting and TV cause greatly.
Accompanying drawing explanation
Fig. 1 is Universal wireless transmitting intelligent monitoring switched system theory diagram;
Fig. 2 is the intelligent monitoring switched system theory diagram that is applied to Digital Television transmitting;
Fig. 3 is the intelligent monitoring switched system theory diagram that is applied to FM broadcasting transmitting.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Universal digital transmission of television 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 mainly consists 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 passes through coupling geophone, intelligent coaxial switch successively, coupling geophone detects power output and the reflection power of transmitter and detecting circuit is delivered to Management Controller, and the output of intelligent coaxial switch is connected to antenna feeder or dummy load; Described Management Controller connects controls described signal shifter, intelligent coaxial switch controller.
Management Controller is the main control device of native system; The power output parameter of being responsible for gathering each transmitter, judges its operating state; According to the operating state of monitored system, send corresponding control command; And can send the operating state of system to remote monitoring terminal.
The power output and the reflection power that by coupling geophone, detect each transmitter of multiple wireless transmitting complete set of equipments, detecting circuit is delivered to Management Controller, judges on this basis whether it normally works.
Every monitoring index of each transmitter, connects switch by Management Controller by network interface (RJ45), by network, delivers to remote monitoring terminal.Remote monitoring terminal shows running parameter and the operating state of each associated transmissions equipment, regularly storing state and data.The threshold values that each parameter exceeds standard is set on Management Controller, also on remote monitoring terminal, sets.Running parameter transfinites or during abnormal state, Management Controller is reported to the police and record immediately; While meeting switching condition, start and switch, guarantee that multiple wireless transmitting complete set of equipments is working properly, realize local monitor.Running parameter transfinites or during abnormal state, remote monitoring terminal is reported to the police and record immediately; While meeting switching condition, start and switch, guarantee that multiple wireless transmitting complete set of equipments is working properly, realize remote monitoring.Perfect native system, is actually dual monitoring, i.e. local and remote monitoring exists simultaneously.The reliability of multiple wireless transmitting complete set of equipments work has obtained dual assurance therefrom.
Intelligence coaxial switch controller: be the control appliance of intelligent coaxial switch, and can obtain the operating state of coaxial switch; Accept the instruction of Management Controller, and switch radio frequency (RF) high-power signal of main frame and standby host.
The embedded chip LM3S9B92 of intelligence coaxial switch controller YiTI company is basis, builds safe and reliable Intelligent switchover control system.Its major function: support that RJ45 communicates by letter with RS485, resolve the control command of Management Controller, control and detect coaxial switch, make the transmitter of appointment export antenna feeder or dummy load to.
Intelligence coaxial switch: carry out the instruction of Management Controller, diverter switch position, makes the transmitter of appointment 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 the signal source of standby host and being consistent of fault transmitter.
Adaptive switch: for connecting Management Controller and the remote monitoring terminal of multiple wireless emission system; Realize remote monitoring.
Dummy load: break down need to repair time for a certain master transmitter, guarantee safety, avoid no-load running in transmitter repair process.
Intelligent power switch: the transmitter in user's original system does not possess remote control (long-range) open and close machine function, 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 mono-local monitor
Described Management Controller is directly connected with standby transmitter network interface, realizes Based Intelligent Control.
Embodiment bis-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 to add 3G route, SIM card as need.
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 is the output state without RF in the time of should being arranged on as broken down (as no signal source, signal source mistake, the catastrophe failure such as overheated).
In system of the present invention, also stipulate the maximum operating time (4 minutes) of each step in handoff procedure, if surpass this time, system will stop switching, and will record the reason of handoff failure.User should carry out artificial intervention in this case, while getting rid of hardware fault, according to the position of coaxial switch, re-executes once and (if standby host position appears in coaxial switch, need force self-healing; If coaxial switch is main frame position entirely, need force standby), whether check system can normally work.
The time parameter switching is as following table:
| Project name | Time of implementation | Normal working hours | Maximum normal working hours |
| Coaxial switch communication | 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 arranges | 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 had both been applicable to Digital Television, also applicable to simulated television; Both be applicable to television broadcasting, 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, also applicable to the radio and television stations at different levels, original transmitter carried out to the technological transformation of the intelligentized updating replacement.
Claims (4)
1. universal digital transmission of television 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 mainly consists 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 passes through coupling geophone, intelligent coaxial switch successively, coupling geophone detects power output and the reflection power of transmitter and detecting circuit is delivered to Management Controller, and the output of intelligent coaxial switch is connected to antenna feeder or dummy load; Described Management Controller connects controls described signal shifter, intelligent coaxial switch controller.
2. universal digital transmission of television intelligent monitoring switched system according to claim 1, is characterized in that, also comprise an adaptive switch, Management Controller is connected with data center by adaptive switch, realizes long-distance intelligent control.
3. the changing method based on universal digital transmission of television intelligent monitoring switched system, is characterized in that, comprises the steps:
Step 1: command response: given an order by Management Controller or touch-screen, carry out at once;
Step 2: change detection: be consecutively detected power and reach to set lower than the number of times of power handoff threshold and detect number of times, just switch immediately, enter switching flow;
Step 3: detect whether coaxial switch is a plurality of if coaxial switch is correct, enters next step all in main frame position, otherwise exit switching flow;
Step 4: detect intelligent broadband standby transmitter and whether shut down in the situation that coaxial switch is correct: power is lower than 5W, and intelligent broadband standby transmitter on off state is shutdown; If the shutdown of intelligent broadband standby transmitter, enters next step, otherwise exits switching flow;
Step 5: whether detect and need the main frame switching to shut down in the situation that intelligent broadband standby transmitter shuts down, power is lower than 5W, on off state is shutdown, if the main frame switching shutdown enters next step, otherwise exits switching flow;
Step 6: whether correctly detect modulator parameter setting, the mode of operation of intelligent broadband standby transmitter modulation, for switching the mode of operation of main frame, if correctly arranged, enters next step, otherwise modulator is set, and exits switching flow;
Step 7: arrange correct in the situation that in modulator parameter, send out coaxial switch switching command, detect coaxial switch position, if correctly arranged, enter next step, switch otherwise send coaxial switch, exit switching flow;
Step 8: whether the power that detects intelligent broadband standby transmitter reaches 40% of rated power, if reached, enters next step, does not open standby host order otherwise do not send, and exits switching flow.
4. the changing method based on universal digital transmission of television intelligent monitoring switched system according to claim 1, is characterized in that, in described step 2, setting and detecting number of times is 2 seconds/time.
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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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Cited By (3)
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| CN109818632A (en) * | 2019-03-21 | 2019-05-28 | 北京贝尔德科技有限责任公司 | A kind of 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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