CN216795012U

CN216795012U - Control system with one-key frequency modulation channel switching function

Info

Publication number: CN216795012U
Application number: CN202220570211.9U
Authority: CN
Inventors: 虞作敏; 朱陈楠
Original assignee: Hangzhou Ruiye Communication Equipment Co ltd
Current assignee: Hangzhou Ruiye Communication Equipment Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-21
Anticipated expiration: 2032-03-16

Abstract

The utility model belongs to the technical field of radio frequency broadcasting equipment, and particularly relates to a control system with one-key frequency modulation channel switching, which comprises a digital audio frequency switcher, a frequency modulation transmitter and an antenna, wherein the digital audio frequency switcher is provided with a plurality of input interfaces and an output interface, the output interface is connected with the frequency modulation transmitter through a wire, and the output end of the frequency modulation transmitter is coupled with the antenna; the digital audio switcher is embedded with a display screen and a plurality of switching buttons, the switching buttons correspond to the input interfaces respectively and are used for selecting the switched channels, and the display screen is used for displaying the states of the connecting channels. The digital audio switcher realizes one-key channel switching and automatic starting, greatly reduces switching time, avoids misoperation and ensures safe broadcasting.

Description

Control system with one-key frequency modulation channel switching function

Technical Field

The utility model belongs to the technical field of radio frequency broadcasting equipment, and particularly relates to a control system with one-key frequency modulation channel switching.

Background

The provincial and urban broadcast television transmitting station generally undertakes the wireless transmitting task of a plurality of national, provincial and urban broadcast television programs, and generally configures a single antenna feeder and a transmitter as a public standby machine of the plurality of programs for ensuring safe broadcasting.

The main functions of the public standby machine are as follows: when one of the main transmitters fails or needs maintenance, the channel, frequency, power, program source, audio gain and the like of the public standby transmitter are manually set to correspond to the main transmitter, and then the public standby transmitter is started. The whole process has high requirements on the technical capability of the operator on duty, particularly the public standby machine needs to be started immediately under the condition that one main transmitter breaks down suddenly, the operator on duty needs to complete correct operation in the shortest time, the process needs to be matched and checked by multiple persons, and broadcasting stop accidents are caused carelessly and possibly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a control system with one-key frequency modulation channel switching, which overcomes the defects of the prior art, realizes one-key channel switching and automatic startup by using a digital audio switcher, greatly reduces switching time, avoids misoperation and ensures safe broadcasting.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

a control system with one-key frequency modulation channel switching comprises a digital audio frequency switcher, a frequency modulation transmitter and an antenna, wherein the digital audio frequency switcher is provided with a plurality of input interfaces and an output interface, the output interface is connected with the frequency modulation transmitter through a lead, and the output end of the frequency modulation transmitter is coupled with the antenna;

the digital audio switcher is embedded with a display screen and a plurality of switching buttons, the switching buttons correspond to the input interfaces respectively and are used for selecting the switched channels, and the display screen is used for displaying the states of the connecting channels.

Further, install the controller in the digital audio frequency switch ware, the input of controller respectively with a plurality of input interface and the switching button electric connection that corresponds, the output of controller respectively with output interface and display screen electric connection.

Further, install the self-checking module in the digital audio frequency switch for detect input interface's state, the input electric connection of self-checking module and controller.

Furthermore, one side of each input interface is provided with an indicator light for indicating the state of the input interface.

Furthermore, install dual power supply module and power control module in the digital audio frequency switch, inlay on the digital audio frequency switch and be equipped with power source, and power source passes through wire and dual power supply module electric connection.

Further, hollow heat dissipation box is all installed to the both sides of digital audio switch, and the inside intercommunication of heat dissipation box and digital audio switch, wear to be equipped with a plurality of array distribution louvres on the lateral wall of heat dissipation box, and the outside of louvre is provided with the dust screen.

Furthermore, the below of heat dissipation case sets firmly horizontal mounting panel, and wears to be equipped with a plurality of mounting holes on the mounting panel.

Furthermore, a network interface is installed on the digital audio switcher and is used for being connected with a network cable.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model realizes one-key channel switching and automatic startup by controlling input and output signals through the digital audio switcher, greatly reduces switching time, avoids misoperation and ensures safe broadcasting.

Drawings

Fig. 1 is a system schematic block diagram of a control system with one-touch fm channel switching.

FIG. 2 is a schematic diagram of a digital audio switch in a control system with one-touch channel switching.

FIG. 3 is a block diagram of a digital audio switch in a control system with one-click FM channel switching.

In the figure: 1. a digital audio switcher; 2. an input interface; 3. an output interface; 4. a power interface; 5. an indicator light; 6. mounting a plate; 7. a display screen; 8. a switch button; 9. a heat dissipation box; 10. a network interface; 11. heat dissipation holes; 12. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the control system with one-key fm channel switching according to the present invention includes a digital audio switcher 1, a fm transmitter and an antenna, wherein the digital audio switcher 1 is provided with a plurality of input interfaces 2 and an output interface 3, the output interface 3 is connected to the fm transmitter through a wire, and an output end of the fm transmitter is coupled to the antenna;

the digital audio switcher 1 is embedded with a display screen 7 and a plurality of switching buttons 8, the plurality of switching buttons 8 respectively correspond to the input interfaces 2 and are used for selecting a switching channel, and the display screen 7 is used for displaying the state of the connecting channel.

The digital audio switcher 1 is internally provided with a controller, the input end of the controller is respectively electrically connected with the plurality of input interfaces 2 and the corresponding switching buttons 8, and the output end of the controller is respectively electrically connected with the output interface 3 and the display screen 7.

The digital audio switcher 1 is internally provided with a self-checking module for detecting the state of the input interface 2, and the self-checking module is electrically connected with the input end of the controller.

In order to facilitate the viewing of the state of the input interface 2, an indicator light 5 is mounted on one side of each input interface 2 for indicating the state of the input interface 2.

In order to supply power conveniently, a dual power supply module and a power supply control module are installed in the digital audio switcher 1, a power supply interface 4 is embedded on the digital audio switcher 1, and the power supply interface 4 is electrically connected with the dual power supply module through a wire.

In order to improve the heat dissipation performance of the digital audio switcher 1, hollow heat dissipation boxes 9 are mounted on two sides of the digital audio switcher 1, the heat dissipation boxes 9 are communicated with the inside of the digital audio switcher 1, a plurality of heat dissipation holes 11 distributed in an array mode are arranged on the outer side wall of each heat dissipation box 9 in a penetrating mode, and dust screens 12 are arranged on the outer sides of the heat dissipation holes 11; the heat dissipation holes 11 on the heat dissipation box 9 are utilized to realize the air flow between the heat dissipation box 9 and the outside, thereby dissipating the heat generated by the work of the digital audio device.

For convenient installation, a transverse mounting plate 6 is fixedly arranged below the heat dissipation box 9, and a plurality of mounting holes are arranged on the mounting plate 6 in a penetrating manner.

In order to facilitate network connection, the digital audio switcher 1 is provided with a network interface 10 for connecting with a network cable; and remote monitoring is realized through a network.

In conclusion, when the control system with one-key frequency modulation channel switching is used, an input signal is communicated through the input interface 2, the communication state of the input interface 2 is checked by the self-checking module, the influence of the fault of the input interface 2 on playing is avoided, the state of the input interface 2 is indicated by the indicator lamp 5, and the control system is convenient for an operator to check; when switching, the required input interface 2 is selected through the switching button 8, so that the input signal is switched to be transmitted to the frequency modulation transmitter, one-key channel switching is realized, the machine is automatically started, the switching time is greatly reduced, misoperation is avoided, and safe broadcasting is guaranteed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A control system having a one-touch fm channel switch, comprising: the device comprises a digital audio switcher (1), a frequency modulation transmitter and an antenna, wherein the digital audio switcher (1) is provided with a plurality of input interfaces (2) and an output interface (3), the output interface (3) is connected with the frequency modulation transmitter through a wire, and the output end of the frequency modulation transmitter is coupled with the antenna;

the digital audio switcher (1) is embedded with a display screen (7) and a plurality of switching buttons (8), the switching buttons (8) correspond to the input interfaces (2) respectively and are used for selecting a switching channel, and the display screen (7) is used for displaying the state of a connecting channel.

2. A control system having a push-to-talk channel switch as claimed in claim 1, wherein: the digital audio switcher (1) is internally provided with a controller, the input end of the controller is respectively electrically connected with the plurality of input interfaces (2) and the corresponding switching buttons (8), and the output end of the controller is respectively electrically connected with the output interface (3) and the display screen (7).

3. A control system having a push-to-talk channel switch as claimed in claim 2, wherein: the digital audio switcher (1) is internally provided with a self-checking module for detecting the state of the input interface (2), and the self-checking module is electrically connected with the input end of the controller.

4. A control system having a push-to-talk channel switch as claimed in claim 3, wherein: and one side of each input interface (2) is provided with an indicator lamp (5) for indicating the state of the input interface (2).

5. A control system having a push-to-talk channel switch as claimed in claim 2, wherein: the digital audio switcher (1) is internally provided with a dual-power supply module and a power supply control module, the digital audio switcher (1) is embedded with a power supply interface (4), and the power supply interface (4) is electrically connected with the dual-power supply module through a wire.

6. A control system having a push-to-talk channel switch as claimed in claim 1, wherein: hollow heat dissipation case (9) are all installed to the both sides of digital audio frequency switch (1), and the inside intercommunication of heat dissipation case (9) and digital audio frequency switch (1), wear to be equipped with a plurality of array distribution louvre (11) on the lateral wall of heat dissipation case (9), and the outside of louvre (11) is provided with dust screen (12).

7. A control system having a push-to-talk channel switch as claimed in claim 6, wherein: the lower part of the heat dissipation box (9) is fixedly provided with a transverse mounting plate (6), and a plurality of mounting holes are arranged on the mounting plate (6) in a penetrating manner.

8. A control system having a push-to-talk channel switch as claimed in claim 1, wherein: the digital audio switcher (1) is provided with a network interface (10) for connecting with a network cable.