Reliable link system for medium wave high power broadcasting

Abstract

The utility model provides a kind of reliability link system for medium wave high-power broadcast, including main transmitter, spare transmitter, dummy load, first coaxial switching switch, second coaxial switching switch, main feeder, spare feeder, main allocation network, spare allocation network, network switching switch;The switching of main transmitter and spare transmitter is carried out using first coaxial switching switch, the switching of main feeder and spare feeder is carried out using second coaxial switching switch, the switching of main allocation network and spare allocation network is carried out using network switching switch.The link system of the utility model can carry out the flexible switching of main spare transmitter, main spare feeder, main spare allocation network, when transmitter, feeder, allocation network in any link in transmission link appear problem, it can be switched to backup link to broadcast quickly, improve the reliability, security and stability of medium wave high-power sky feeder link system.

Description

TECHNICAL FIELD

[0001] The utility model relates to radio broadcast communication technical field, concretely, relate to a kind of reliability link system for medium wave high-power broadcast. BACKGROUND

[0002] In traditional radio communication system, especially medium wave high-power broadcast system, a set of main and standby transmitters and corresponding main and standby transmitter coaxial switching switch are generally used to realize the switching of main and standby transmitters to transmitting antenna. This scheme can only switch to another transmitter when one of the two transmitters fails, but when the feeder, distribution network and other problems occur, the transmitters cannot work normally, which further affects the safety of broadcast. SUMMARY

[0003] In order to solve the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a reliability link system for medium wave high-power broadcast to overcome the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a reliability link system for medium wave high-power broadcast, which comprises a main transmitter, a standby transmitter, a dummy load, a first coaxial switching switch, a second coaxial switching switch, a main feeder, a standby feeder, a main distribution network, a standby distribution network and a network switching switch. The main transmitter and the standby transmitter are respectively connected to the corresponding two input ports of the first coaxial switching switch, the dummy load is connected to one side output port of the first coaxial switching switch, and the other side output port of the first coaxial switching switch is connected to the input port of the second coaxial switching switch, so that when one of the main transmitter and the standby transmitter is connected to the feeder through the first coaxial switching switch, the other transmitter is connected to the dummy load. The two side output ports of the second coaxial switching switch are respectively connected to the main feeder and the standby feeder, the main feeder is connected to the main distribution network in the network distribution room, and the standby feeder is connected to the standby distribution network in the network distribution room, so that the transmitter connected to the feeder is connected to the main feeder or the standby feeder through the second coaxial switching switch, and is connected to the main distribution network or the standby distribution network at the same time. The output ends of the main distribution network and the standby distribution network are respectively connected to the two input ports of the network switching switch, and the output end of the network switching switch is connected to the transmitting antenna, so that the main distribution network and the standby distribution network are connected to the transmitting antenna through the network switching switch.

[0005] Through the technical scheme, the main transmitter and the backup transmitter are matched with the first coaxial switch, the switching of the main transmitter and the backup transmitter is realized, in addition to the backup of the main transmitter and the backup transmitter in case of transmitter failure, the feeder and the distribution network are configured redundantly, the backup feeder and the second coaxial switch are added, the switching between the main feeder and the backup feeder is realized, the backup distribution network and the network switch are added, and the switching between the main distribution network and the backup distribution network is realized, so that when any link of the transmitter, the feeder and the distribution network in the transmission link has a problem, the backup link can be switched quickly for broadcasting, and the reliability, safety and stability of the medium wave high-power antenna feeder link system are improved.

[0006] As a further description of the reliability link system for medium wave high-power broadcasting, preferably, the reliability link system further comprises a coaxial switch controller and a network switch controller; the coaxial switch controller is connected with the first coaxial switch and the second coaxial switch respectively; the network switch controller is connected with the network switch through an optical fiber; the coaxial switch controller and the network switch controller are installed between the main transmitter and the backup transmitter in a machine room, so as to remotely operate each switch to complete remote control switching and indicate the current connection state.

[0007] Through the technical scheme, each switch is operated by the coaxial switch controller and the network switch controller to complete remote control switching, so that the operation process is simplified and the work efficiency is improved.

[0008] As a further description of the reliability link system for medium wave high-power broadcasting, preferably, the coaxial switch controller and the network switch controller are both provided with an indicator light and a memory, the indicator light is used for indicating the corresponding link information, and the memory is used for storing all link information, so as to quickly judge the current link information according to the state of the indicator light.

[0009] Through the technical scheme, the current link information can be quickly judged through the state of the indicator light and the link information stored in the memory, which helps to discover network faults in time for repair, and ensures the continuity and stability of the link system.

[0010] As a further description of the reliability link system for medium wave high-power broadcasting, preferably, the first coaxial switch is a coaxial switch with a model of FTS-071-01.

[0011] As a further description of the reliability link system for medium wave high-power broadcasting, preferably, the second coaxial switch is a coaxial switch with a model of FTS-071-01.

[0012] As a further description of the reliability link system for medium wave high power broadcast of the utility model, preferably, the main feeder and the standby feeder both adopt the feeder with the model of SUY-50-105-3.

[0013] As a further description of the reliability link system for medium wave high power broadcast of the utility model, preferably, the main distribution network and the standby distribution network both adopt the distribution network with the model of SMN1506, SMN3006.

[0014] As a further description of the reliability link system for medium wave high power broadcast of the utility model, preferably, the network switching switch adopts the network switching switch with the model of FTS-151-01.

[0015] As a further description of the reliability link system for medium wave high power broadcast of the utility model, preferably, the reliability link system can be single link working alone or multiple link working in parallel; when working in parallel, each link is provided with a separate network switching switch, and all the network switching switches are set to work in parallel and output uniformly, so as to not interfere with each other.

[0016] The utility model has the advantages that: in the utility model, the main transmitter and the standby transmitter are connected to the output through the first coaxial switching switch, the main transmitter or the standby transmitter can be switched by controlling the first coaxial switching switch, in addition to the transmitter failure, the feeder and the distribution network are configured redundantly, the standby feeder is added to form the parallel mode of the main feeder and the standby feeder, the second coaxial switching switch is controlled to control the main feeder or the standby feeder as the output link, the standby distribution network is added to form the parallel mode of the main distribution network and the standby distribution network, the network switching switch is controlled to control the main distribution network or the standby distribution network to be connected to the antenna output, the link system can flexibly switch the main transmitter, the standby transmitter, the main feeder, the standby feeder, the main distribution network and the standby distribution network, when any link of the transmitter, the feeder and the distribution network in the transmission link has a problem, the standby link can be quickly switched to broadcast, and the reliability, safety and stability of the medium wave high power antenna feeder link system are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the reliability link system for medium wave high power broadcast of the utility model;

[0018] Figure 2 It is a schematic view of two sets of link systems of the utility model. DETAILED DESCRIPTION

[0019] In order to further understand the structure, features and other purposes of the utility model, the following will be described in detail in connection with the preferred embodiments with the attached drawings, the embodiments described in the drawings are only used to illustrate the technical scheme of the utility model, and not limit the utility model.

[0020] As the first embodiment of the utility model, as shown in a kind of reliability link system for medium wave high-power broadcast, the reliability link system includes main transmitter 1, spare transmitter 2, dummy load 3, first coaxial switch 4, second coaxial switch 5, main feeder 6, spare feeder 7, main distribution network 8, spare distribution network 9 and network switch 10. Figure 1

[0021] Main transmitter 1 and spare transmitter 2 are connected to the corresponding two input ports of first coaxial switch 4 respectively, dummy load 3 is connected to the one side output port of first coaxial switch 4, and the other side output port of first coaxial switch 4 is connected to the input port of second coaxial switch 5;Two side output ports of second coaxial switch 5 are connected to main feeder 6 and spare feeder 7 respectively, main feeder 6 is connected to main distribution network 8 of network distribution room, and spare feeder 7 is connected to spare distribution network 9 of network distribution room;The output end of main distribution network 8 and spare distribution network 9 is connected to the two input ports of network switch 10 respectively, and the output end of network switch 10 is connected to transmitting antenna, forming a link system.

[0022] When main transmitter 1 is connected to feeder through first coaxial switch 4, then spare transmitter 2 is connected to dummy load 3;When spare transmitter 2 is connected to feeder through first coaxial switch 4, then main transmitter 1 is connected to dummy load 3. That is, in the broadcast, if the current transmitter fails, it can be switched to another transmitter for broadcasting by controlling first coaxial switch 4, to realize the switching between main transmitter 1 and spare transmitter 2.

[0023] The transmitter connected to feeder realizes connection to main feeder 6 or spare feeder 7 through second coaxial switch 5, and simultaneously connection to main distribution network 8 or spare distribution network 9. Main distribution network 8 and spare distribution network 9 realize that main distribution network 8 or spare distribution network 9 is connected to transmitting antenna through network switch 10. As when main feeder 6 or main distribution network 8 has a problem, it can be switched by second coaxial switch 5 and network switch 10, to control the transmitter to be connected to the line of spare feeder 7 and spare distribution network 9 for broadcasting.

[0024] ​In the embodiment, the main transmitter 1 and the backup transmitter 2 are connected to the output through the first coaxial switch 4, and the main transmitter 1 or the backup transmitter 2 can be switched by controlling the first coaxial switch 4. In addition to the main and backup transmitters being switched in case of transmitter failure, the feeder and the distribution network are also configured redundantly. The backup feeder 7 is added to form a parallel mode of the main feeder 6 and the backup feeder 7, and the main feeder 6 or the backup feeder 7 can be controlled as the output link by controlling the second coaxial switch 5. The backup distribution network 9 is added to form a parallel mode of the main distribution network 8 and the backup distribution network 9, and the main distribution network 8 or the backup distribution network 9 can be controlled to be connected to the transmitting antenna output by controlling the network switch 10. Therefore, the link system can flexibly switch the main and backup transmitters, the main and backup feeders, and the main and backup distribution networks, and when any of the transmitters, the feeders and the distribution networks in the transmitting link fails, the backup link can be quickly switched for broadcasting, thereby improving the reliability, safety and stability of the medium wave high-power feeder link system.

[0025] As the second embodiment of the utility model, the reliability link system further comprises a coaxial switch controller and a network switch controller. The coaxial switch controller is connected with the first coaxial switch 4 and the second coaxial switch 5 respectively. The network switch controller is connected with the network switch 10 through an optical fiber.

[0026] The coaxial switch controller and the network switch controller are installed between the main transmitter 1 and the backup transmitter 2 in the machine room, and each of the switches can be remotely operated to complete remote control switching and indicate the current connection state, thereby simplifying the operation process and improving the work efficiency.

[0027] As the third embodiment of the utility model, the coaxial switch controller and the network switch controller are both provided with an indicator lamp and a memory. The indicator lamp is used for indicating the corresponding link information, and the memory is used for storing all the link information, so that the current link information can be quickly judged according to the state of the indicator lamp. The current link information can be quickly judged through the state of the indicator lamp and the link information stored in the memory, which helps to discover network failure in time and repair it, thereby ensuring the continuity and stability of the feeder link system.

[0028] As the fourth embodiment of the utility model, the first coaxial switch 4 is preferably a coaxial switch with a model number of FTS-071-01.

[0029] As the fifth embodiment of the utility model, the second coaxial switch 5 is preferably a coaxial switch with a model number of FTS-071-01.

[0030] As the sixth embodiment of the utility model, the main feeder 6 and the spare feeder 7 are preferably selected from the type SUY-50-105-3 feeder.

[0031] As the seventh embodiment of the utility model, the main distribution network 8 and the spare distribution network 9 are preferably selected from the type SMN1506, SMN3006 distribution network.

[0032] As the eighth embodiment of the utility model, the network switching switch 10 is preferably selected from the type FTS-151-01 network switching switch.

[0033] As the ninth embodiment of the utility model, the reliable link system for medium wave high power broadcast of the utility model can be single link working alone or multiple link parallel working according to actual needs. Wherein, each link is provided with a separate network switching switch when multiple link parallel working, and all network switching switches are set to parallel working unified output, so that each link does not interfere with each other.

[0034] As shown in Figure 2 , Figure 2 The scheme of parallel setting two links f1 and f2 is shown. In the figure, the link f1 includes the main transmitter 1, the spare transmitter 2, the dummy load 3, the first coaxial switching switch 4, the second coaxial switching switch 5, the main feeder 6, the spare feeder 7, the main distribution network 8, the spare distribution network 9 and the network switching switch 10. The link f2 includes the main transmitter 1', the spare transmitter 2', the dummy load 3', the first coaxial switching switch 4', the second coaxial switching switch 5', the main feeder 6', the spare feeder 7', the main distribution network 8', the spare distribution network 9' and the network switching switch 10'. The structure of the two links (i.e. f1 and f2 in the figure) is the same, each of which is provided with a separate network switching switch (i.e. 10 and 10' in the figure), and the output ends of the two network switching switches are connected to the transmitting antenna after being connected. The two links f1 and f2 work in parallel and do not interfere with each other.

[0035] It should be stated that the above utility model content and specific embodiments are intended to prove the practical application of the technical solutions provided by the utility model, and should not be interpreted as limiting the protection scope of the utility model. Those skilled in the art can make various modifications, equivalent replacements or improvements within the spirit and principles of the utility model. The protection scope of the utility model is subject to the appended claims.

Claims

1. A reliability link system for medium wave high power broadcasting, characterized in that, The reliability link system comprises a main transmitter (1), a backup transmitter (2), a dummy load (3), a first coaxial switch (4), a second coaxial switch (5), a main feeder (6), a backup feeder (7), a main network distribution (8), a backup network distribution (9), a network switch (10); wherein, The main transmitter (1) and the backup transmitter (2) are respectively connected to the corresponding two input ports of the first coaxial switch (4), the dummy load (3) is connected to one side output port of the first coaxial switch (4), and the other side output port of the first coaxial switch (4) is connected to the input port of the second coaxial switch (5), so that when one of the main transmitter (1) and the backup transmitter (2) transmits through the first coaxial switch (4), the transmitter is connected to the feeder, and the other transmitter is connected to the dummy load (3). The two side output ports of the second coaxial switch (5) are respectively connected to the main feeder (6) and the backup feeder (7), the main feeder (6) is connected to the main network distribution (8) of the network distribution room, and the backup feeder (7) is connected to the backup network distribution (9) of the network distribution room, so that the transmitter connected to the feeder is connected to the main feeder (6) or the backup feeder (7) through the second coaxial switch (5), and is connected to the main network distribution (8) or the backup network distribution (9) at the same time. The output ends of the main network distribution (8) and the backup network distribution (9) are respectively connected to the two input ports of the network switch (10), and the output end of the network switch (10) is connected to the transmitting antenna, so that the main network distribution (8) and the backup network distribution (9) are connected to the transmitting antenna through the network switch (10).

2. The reliable link system for medium wave high power broadcasting of claim 1, wherein, The reliability link system further comprises a coaxial switch controller and a network switch controller; wherein the coaxial switch controller is connected with the first coaxial switch (4) and the second coaxial switch (5) respectively; the network switch controller is connected with the network switch (10) through an optical fiber; the coaxial switch controller and the network switch controller are installed between the main transmitter (1) and the backup transmitter (2) in the machine room, so as to remotely operate each switch to complete remote control switching and indicate the current connection state.

3. The system of claim 2, wherein the system is configured to provide a reliable link for medium wave high power broadcasting. The coaxial switch controller and the network switch controller are both provided with indicator lights and memories, the indicator lights are used to indicate the corresponding link information, and the memories are used to store all link information, so as to quickly judge the current link information according to the state of the indicator lights.

4. The system of claim 1, wherein the system is configured to provide a reliable link for medium wave high power broadcasting. The first coaxial switch (4) adopts a coaxial switch with a model number of FTS-071-01.

5. The system of claim 1, wherein the system is configured to provide a reliable link for medium wave high power broadcasting. The second coaxial switch (5) adopts a coaxial switch with a model number of FTS-071-01.

6. The reliable link system for medium wave high power broadcasting of claim 1, wherein, The main feeder (6) and the backup feeder (7) both adopt a feeder with a model number of SUY-50-105-3.

7. The system of claim 1, wherein the system is configured to provide a reliable link for medium wave high power broadcasting. The main network distribution (8) and the backup network distribution (9) both adopt a distribution network with a model number of SMN1506 or SMN3006.

8. The reliable link system for medium wave high power broadcasting of claim 1, wherein, The network switch (10) is a network switch of FTS-151-01 type.

9. The reliable link system for medium wave high power broadcasting of claim 1, wherein, The reliable link system is arranged to work independently in single link mode or in multiple link parallel mode; in the multiple link parallel mode, each link is provided with a single network switch, and all the network switches are arranged to work in parallel and output uniformly, so that each link does not interfere with each other.

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