CN219394850U - Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise - Google Patents
Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise Download PDFInfo
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- CN219394850U CN219394850U CN202320808638.2U CN202320808638U CN219394850U CN 219394850 U CN219394850 U CN 219394850U CN 202320808638 U CN202320808638 U CN 202320808638U CN 219394850 U CN219394850 U CN 219394850U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model provides novel emergency broadcasting equipment based on tunnel metallurgy industrial and mining enterprises, which comprises a power amplification assembly, wherein the power amplification assembly comprises a digital power amplifier, a standby digital power amplifier, a main control module, a power amplifier, a signal detection module and a 22KHz signal generator; the standby digital power amplifier is arranged on one side of the digital power amplifier, the main control module, the power amplifier, the signal detection module and the 22KHz signal generator are arranged in the digital power amplifier and the standby digital power amplifier, and the main control module is in signal connection with the power amplifier, the signal detection module and the 22KHz signal generator. According to the utility model, the 22KHz signal generator is used for enabling the loudspeaker to output a 22KHz signal, the signal detection module is used for detecting, so that whether the working state of the emergency broadcasting equipment is normal or not is confirmed, the detection can be automatically completed, the fault early warning can be timely carried out, the automatic switching between the digital power amplifier and the standby digital power amplifier is used for avoiding the failure of the emergency broadcasting equipment caused by the damage of the power amplifier, and the potential safety hazard caused by the damage of the power amplifier is reduced.
Description
Technical Field
The utility model relates to broadcasting equipment, in particular to novel emergency broadcasting equipment based on tunnel metallurgy industrial and mining enterprises, and belongs to the technical field of tunnel emergency broadcasting.
Background
Under the background of large environmental noise of tunnel metallurgical industrial and mining enterprises, the system is used for production scheduling and emergency command in daily major sudden accidents, and can realize the functions of point-to-point single call, group call, forced insertion and the like between production departments at ordinary times. The loudspeaker in the broadcasting system has wide installation range, large area and long distance, and when dealing with major sudden public events, the broadcasting is used for spreading emergency information, which is a commonly used effective means. Emergency broadcasts may well play an important role in informing, communicating, organizing, mobilizing, stabilizing and guiding the public during some emergency events. Broadcasting equipment is a weaker device in an emergency broadcasting system and is an important component for ensuring the emergency broadcasting effect, so that the daily maintenance and overhaul of a broadcasting loudspeaker often brings some trouble to people.
The variety of the loudspeaker, the digital power amplifier and the digital broadcasting host in the market is various, the price is very different, the existing broadcasting equipment can only solve the problem of signal amplification in the field of tunnel factories and mining areas, the electric signal can be amplified and broadcast out through the loudspeaker, but flammable and explosive areas exist in the tunnel factories and mining areas, if the circuit is short-circuited in the working process of excavating tunnels and petrochemical metallurgical equipment, local high temperature is easily caused, sparks are even generated, and when the environment air contains flammable and explosive components with higher concentration, serious consequences such as explosion are caused, so the importance of timely online self-checking reporting of an emergency broadcasting equipment maintenance system is increasingly highlighted. The existing tunnel metallurgical industrial and mining emergency broadcasting equipment is not provided with a better prevention means temporarily, equipment is monitored in a manual inspection mode, trouble and effort are wasted, the cost is increased, the equipment cannot timely detect the health state of the emergency broadcasting equipment in an on-line mode, self-inspection monitoring and timely reporting prompt functions are lacked, and after the broadcasting equipment breaks down, the equipment and the loss of functions of the broadcasting equipment bring potential safety hazards, so that the novel emergency broadcasting equipment based on the tunnel metallurgical industrial and mining enterprises is provided.
Disclosure of Invention
In view of this, the present utility model seeks to provide a new emergency broadcast device for tunnel metallurgical industry and mining enterprises, which solves or alleviates the technical problems of the prior art, and at least provides a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: the utility model provides a novel emergency broadcasting device based on tunnel metallurgy industrial and mining enterprises, includes power amplifier subassembly, power amplifier subassembly includes digital power amplifier, reserve digital power amplifier, main control module, power amplifier, signal detection module and 22KHz signal generator;
the standby digital power amplifier is arranged on one side of the digital power amplifier, the main control module, the power amplifier, the signal detection module and the 22KHz signal generator are arranged in the digital power amplifier and the standby digital power amplifier, and the main control module is in signal connection with the power amplifier, the signal detection module and the 22KHz signal generator.
Further preferred is: the two sides of the power amplifier component are provided with main body components, and the main body components comprise a digital broadcasting host, a display screen, a broadcasting console, an audible and visual alarm, a switch and a loudspeaker;
the display screen is mounted on the front surface of the digital broadcasting host.
Further preferred is: the broadcasting console is mounted on a front surface of the digital broadcasting host.
Further preferred is: the audible and visual alarm is arranged on the upper surface of the broadcasting console.
Further preferred is: the switch is arranged on one side of the broadcasting control console, and the switch is in signal connection with the digital broadcasting host and the broadcasting control console.
Further preferred is: the digital power amplifier and the standby digital power amplifier are arranged on one side of the switch, and are in signal connection with the switch.
Further preferred is: and the plurality of loudspeakers are arranged on one side of the digital power amplifier and the digital power amplifier.
Further preferred is: the loudspeaker is connected with the digital power amplifier and the standby digital power amplifier through signals.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
1. according to the utility model, the 22KHz signal generator is used for enabling the loudspeaker to output the 22KHz signal, and the signal detection module is used for detecting, so that whether the working state of the emergency broadcasting equipment is normal or not is confirmed, and the detection can be automatically completed and the fault early warning can be timely carried out.
2. According to the utility model, through automatic switching between the digital power amplifier and the standby digital power amplifier, the emergency broadcasting equipment failure caused by the damage of the power amplifier is avoided, and the potential safety hazard caused by the damage of the power amplifier is reduced.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a schematic diagram of an emergency broadcast system according to the present utility model;
FIG. 3 is a diagram showing the internal structure of a digital power amplifier according to the present utility model;
fig. 4 is a schematic diagram of the working principle of the digital power amplifier of the present utility model.
Reference numerals: 10. a body assembly; 11. a digital broadcasting host; 12. a display screen; 13. a broadcast console; 14. an audible and visual alarm; 15. a switch; 16. a speaker; 20. a power amplifier assembly; 21. a digital power amplifier; 22. preparing a digital power amplifier; 23. a main control module; 24. a power amplifier; 25. a signal detection module; 26. 22KHz signal generator.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment of the utility model provides a novel emergency broadcasting device based on tunnel metallurgy industrial and mining enterprises, which comprises a power amplifier assembly 20, wherein the power amplifier assembly 20 comprises a digital power amplifier 21, a standby digital power amplifier 22, a main control module 23, a power amplifier 24, a signal detection module 25 and a 22KHz signal generator 26;
the standby digital power amplifier 22 is arranged on one side of the digital power amplifier 21, the main control module 23, the power amplifier 24, the signal detection module 25 and the 22KHz signal generator 26 are arranged in the digital power amplifier 21 and the standby digital power amplifier 22, the main control module 23 is in signal connection with the power amplifier 24, the signal detection module 25 and the 22KHz signal generator 26, the main control module 23 carries out heartbeat connection detection and equipment detection according to the instruction of the digital broadcasting host 11, the equipment state is reported to the digital broadcasting host 11 regularly, the 22KHz signal is amplified by the power amplifier 24 and then played from a loudspeaker, and then the signal cannot be heard by the human ear, so that no matter whether broadcasting playing is carried out or not, an interference signal cannot appear on the loudspeaker 16.
In this embodiment, specific: the two sides of the power amplifier assembly 20 are provided with a main body assembly 10, and the main body assembly 10 comprises a digital broadcasting host 11, a display screen 12, a broadcasting console 13, an audible and visual alarm 14, a switch 15 and a loudspeaker 16;
the display 12 is mounted on the front surface of the digital broadcasting host 11, the display 12 is used for prompting fault information, the digital broadcasting host 11 is used for outputting, summarizing and processing each broadcasting service, outputting audio streams and summarizing broadcasting area status information (operators, information sources, area status and the like) and processing service information.
In this embodiment, specific: the broadcasting console 13 is installed on the front surface of the digital broadcasting host 11, and the broadcasting console 13 has a selective broadcasting function, and the selective broadcasting includes total station broadcasting, custom group broadcasting, and the like.
In this embodiment, specific: the audible and visual alarm 14 is installed on the upper surface of the broadcasting console 13, and the audible and visual alarm 14 can give an alarm to remind workers of timely repairing faults.
In this embodiment, specific: the switch 15 is installed on one side of the broadcast console 13, the switch 15 is in signal connection with the digital broadcast host 11 and the broadcast console 13, and the switch 15 is used for providing an exclusive electric signal path with the network nodes of the digital broadcast host 11 and the digital power amplifier 21.
In this embodiment, specific: the digital power amplifier 21 and the standby digital power amplifier 22 are arranged on one side of the switch 15, the digital power amplifier 21 and the standby digital power amplifier 22 are connected with the switch 15 through signals, and the digital power amplifier 21 and the standby digital power amplifier 22 are used for amplifying digital signals.
In this embodiment, specific: a plurality of speakers 16 are installed at one side of the digital power amplifier 21 and the digital power amplifier 22, and the speakers 16 convert the electric signals into acoustic signals.
In this embodiment, specific: the loudspeaker 16 is in signal connection with the digital power amplifier 21 and the standby digital power amplifier 22, the digital power amplifier 21 of the emergency broadcasting system has a loudspeaker 16 load detection function, when broadcasting is performed each time, the load of a broadcasting area is automatically detected, the normal and short-circuit states of the loudspeaker 16 are judged according to detection values, when the load of the loudspeaker 16 is in a short circuit state, the digital power amplifier 21 enters a protection state, is disconnected from the load of the broadcasting area and cannot broadcast any more, the load short-circuit protection is prompted on the display screen 12, meanwhile, the audible and visual alarm 14 alarms, and after the load short circuit is manually eliminated, the normal broadcasting state can be restored after the digital power amplifier 21 is restarted.
The utility model works when in work: the switch 15, the digital power amplifier 21, the standby digital power amplifier 22, the digital broadcasting host 11, the broadcasting console 13 and the loudspeaker 16 are connected together to form an emergency broadcasting system, under the condition that the normal operation of the tail end loudspeaker 16 is ensured, each loudspeaker 16 is connected to the digital power amplifier 21 through a 2-core broadcasting cable, and then the core broadcasting host and the self-checking mechanism are matched together to be suitable for being used in a high-noise environment of a tunnel and an excavated tunnel, and the main control module 23 performs heartbeat connection detection and equipment detection according to the instruction of the digital broadcasting host 11 and periodically reports the equipment state to the digital broadcasting host 11. When broadcasting is required, the main control module 23 receives the voice media stream generated by the digital broadcasting host 11, decodes and converts the voice media stream into an analog voice signal, amplifies the analog voice signal for the power amplifier 24, pushes the analog voice signal out of the output line, outputs the analog voice signal to the loudspeaker output line through the power amplifier controller to drive the loudspeaker to play sound, the main control module 23 opens the control signal of the 22KHz signal generator 26 every 5 seconds, the 22KHz signal generated by the 22KHz signal generator 26 is transmitted to the voice input port of the power amplifier 24, the signal detection module 25 can acquire the signals of the voice input end and the voice output end of the power amplifier 24 in real time, detect whether the signals have the 22KHz signal, if the two signals exist simultaneously, the signals are detected successfully, and outputs a normal state feedback signal of equipment to the main control module 23, and the main control module 23 obtains a normal detection result of the power amplifier 24; if the signal at the voice input end exists and the signal at the voice output end does not exist, the signal indicates that detection is being performed and the detection fails, a state feedback signal of equipment abnormality is output to the main control module 23, and the main control module 23 obtains a detection result of damage of the power amplifier 24; if the speech input signal is not present, this indicates that no more detection is to be performed. The digital power amplifier 21 and the standby digital power amplifier 22 which are arranged in the emergency broadcasting system are IP network power amplifiers, the power amplifiers adopt digital signal transmission, have the functions of detecting and uploading the state of the power amplifiers in real time, controlling the automatic switching of the main and standby computers, and having intelligent power management, the equipment adopts a built-in CPU to judge the running state of the power amplifier, the power amplifier automatically enters a dormant state when the working state is not available, and the power amplifier is automatically started when the broadcasting task is available. When a fault is found, the IP network power amplifier automatically records and uploads fault information to the digital broadcasting host 11, and automatically switches, broadcasting is not interrupted in the process, and when the fault is recovered to be normal, the main digital power amplifier 21 is automatically recovered to be used in the next broadcasting. The process is an automatic switching mode, and manual operation is not needed.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise, including power amplifier subassembly (20), its characterized in that: the power amplifier assembly (20) comprises a digital power amplifier (21), a standby digital power amplifier (22), a main control module (23), a power amplifier (24), a signal detection module (25) and a 22KHz signal generator (26);
the standby digital power amplifier (22) is arranged on one side of the digital power amplifier (21), the main control module (23), the power amplifier (24), the signal detection module (25) and the 22KHz signal generator (26) are arranged inside the digital power amplifier (21) and the standby digital power amplifier (22), and the main control module (23) is in signal connection with the power amplifier (24), the signal detection module (25) and the 22KHz signal generator (26).
2. The tunnel metallurgy industrial and mining enterprise-based emergency novel broadcasting device according to claim 1, wherein: the power amplifier comprises a power amplifier (20), wherein main body components (10) are arranged on two sides of the power amplifier, and the main body components (10) comprise a digital broadcasting host (11), a display screen (12), a broadcasting console (13), an audible and visual alarm (14), a switch (15) and a loudspeaker (16);
the display screen (12) is mounted on the front surface of the digital broadcasting host (11).
3. The tunnel metallurgy industrial and mining enterprise-based emergency novel broadcasting device according to claim 2, wherein: the broadcast console (13) is mounted to a front surface of the digital broadcast host (11).
4. A tunnel metallurgical industrial and mining enterprise based emergency novel broadcasting device according to claim 3, wherein: the audible and visual alarm (14) is arranged on the upper surface of the broadcasting console (13).
5. The tunnel metallurgy industrial and mining enterprise-based emergency novel broadcasting device according to claim 4, wherein: the switch (15) is installed on one side of the broadcasting control console (13), and the switch (15) is in signal connection with the digital broadcasting host (11) and the broadcasting control console (13).
6. The tunnel metallurgy industrial and mining enterprise-based emergency novel broadcasting device according to claim 5, wherein: the digital power amplifier (21) and the standby digital power amplifier (22) are arranged on one side of the switch (15), and the digital power amplifier (21) and the standby digital power amplifier (22) are in signal connection with the switch (15).
7. The tunnel metallurgy industrial and mining enterprise-based emergency novel broadcasting device according to claim 6, wherein: the plurality of loudspeakers (16) are arranged on one side of the digital power amplifier (21) and the standby digital power amplifier (22).
8. The tunnel metallurgy industrial and mining enterprise-based emergency novel broadcasting device according to claim 7, wherein: the loudspeaker (16) is in signal connection with the digital power amplifier (21) and the standby digital power amplifier (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320808638.2U CN219394850U (en) | 2023-04-03 | 2023-04-03 | Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320808638.2U CN219394850U (en) | 2023-04-03 | 2023-04-03 | Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394850U true CN219394850U (en) | 2023-07-21 |
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ID=87195311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320808638.2U Active CN219394850U (en) | 2023-04-03 | 2023-04-03 | Emergent novel broadcasting equipment based on tunnel metallurgy industrial and mining enterprise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394850U (en) |
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2023
- 2023-04-03 CN CN202320808638.2U patent/CN219394850U/en active Active
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