Broadcasting system for coal mine

Abstract

The utility model relates to the technical field of coal mine safety, in particular to a broadcasting system for a coal mine, which comprises a broadcasting system server and a ground gigabit ring network switch which are arranged in a ground dispatching room, and an underground gigabit ring network switch which is arranged in an underground branch dispatching room, the broadcasting system master station, the broadcasting system substations and the broadcasting system loudspeaker boxes are arranged along the underground line; the broadcasting system server is in communication connection with the ground gigabit looped network switch, the ground gigabit looped network switch is in communication connection with the underground gigabit looped network switch, and the broadcasting system master station, the broadcasting system substation and the broadcasting system loudspeaker box are networked in a serial mode and are in communication connection with the underground gigabit looped network switch. Coal mine underground calling talkback, music playing and safety knowledge education can be realized; when an emergency occurs, an alarm instruction can be sent to each position during ground dispatching to guide miners to evacuate emergently.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine safety, in particular to a broadcasting system for coal mines. Background Art

[0002] In coal mine production, coal mine safety production is the top priority, and coal mine safety issues are also issues that receive focus. All mines must increase their management of coal mines and comprehensively improve the management level of mines. For coal mining companies, feedback from underground personnel, reporting of production conditions, and issuance of ground instructions all require a complete and reliable communication system as support. In order to strengthen communication between the ground and underground and further ensure production safety, the application of mine communication systems is very necessary. The application of the system in mines can monitor operational safety in real time, speed up information flow, and play an important role in improving production efficiency and emergency response capabilities. Based on this, our company designs and develops a coal mine broadcasting system for coal mine production scheduling. Utility Model Content

[0003] In view of the above problems, an embodiment of the utility model provides a broadcasting system for coal mines.

[0004] One aspect of the implementation of the utility model provides a broadcasting system for a coal mine, including a broadcasting system server and an aboveground gigabit ring network switch placed in an aboveground dispatching room, an underground gigabit ring network switch placed in an underground sub-dispatching room, a broadcasting system master station, a broadcasting system substation and a broadcasting system speaker placed along the underground line; the broadcasting system server is communicatively connected to the aboveground gigabit ring network switch, the aboveground gigabit ring network switch is communicatively connected to the underground gigabit ring network switch, the broadcasting system master station, the broadcasting system substation and the broadcasting system speaker are networked in serial mode and communicatively connected to the underground gigabit ring network switch.

[0005] Compared with the prior art, the beneficial effects of the utility model are: it can realize intercom calls, music playing and safety knowledge education in coal mines; when an emergency occurs, the above-ground dispatcher can send alarm instructions to various locations to guide the miners to evacuate urgently.

[0006] Optionally, the broadcast system master station includes a master station explosion-proof shell, and a handle is arranged on the top of the master station explosion-proof shell; the interior of the master station explosion-proof shell is divided into a battery pack cavity and a power management cavity located at the upper part and arranged side by side, and a control board cavity located at the lower part by a partition, and a through-cavity terminal is arranged on the partition between each cavity; the battery pack cavity is provided with a master station battery pack, the power management cavity is provided with a master station switch power supply and a master station charge and discharge management board, and the control board cavity is provided with a master station main control board and a master station switch;

[0007] A hook is provided on the right side of the explosion-proof housing of the master station opposite to the power management cavity, and a hand microphone is hung on the hook; a master station display screen is provided on the front side of the explosion-proof housing of the master station opposite to the power management cavity; a master station dialing keyboard, a master station call button and a master station microphone are provided on the front side of the explosion-proof housing of the master station opposite to the control board cavity, and a master station speaker is provided on the right side of the explosion-proof housing of the master station opposite to the control board cavity;

[0008] The master station switch power supply is connected to the master station charge and discharge management board, the master station charge and discharge management board is connected to the master station battery pack, the master station display screen and the master station main control board, the master station main control board is connected to the hand microphone, the master station display screen, the master station switch, the master station speaker, the master station microphone, the master station call button and the master station dial keyboard.

[0009] Optionally, the broadcasting system substation includes a substation explosion-proof shell, a hanging ear is arranged on the top of the substation explosion-proof shell, an off-hook detection hook is arranged on the right side of the substation explosion-proof shell, and a substation telephone is arranged on the off-hook detection hook; a substation speaker is arranged on the upper part of the front side of the substation explosion-proof shell, and a substation microphone, a substation indicator light and a substation call button are arranged on the lower part; a substation main control board, a substation switch and a substation sealed amplifier are arranged inside the substation explosion-proof shell, the substation main control board is connected to the substation switch, the substation sealed amplifier, the substation indicator light, the substation call button, the off-hook detection hook, the substation telephone and the substation microphone, and the substation sealed amplifier is connected to the substation speaker.

[0010] Optionally, a substation power carrier board is further disposed inside the substation explosion-proof housing, and the substation power carrier board is connected to the substation switch.

[0011] Optionally, the broadcasting system speaker includes a speaker explosion-proof shell, a handle is arranged on the top of the speaker explosion-proof shell, a speaker display screen is arranged on the front side of the speaker explosion-proof shell, and speaker speakers are arranged on the left and right sides, and a speaker switching power supply, a speaker charge and discharge management board, a speaker battery pack, a speaker power amplifier circuit board and a speaker main control board are arranged inside the speaker explosion-proof shell; the speaker switching power supply is connected to the speaker charge and discharge management board; the speaker charge and discharge management board is connected to the speaker battery pack, the speaker display screen, the speaker power amplifier circuit board and the speaker main control board; the speaker power amplifier circuit board is connected to the speaker speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present application, and do not constitute a limitation of the present invention. In the drawings:

[0013] Figure 1 A schematic diagram of the system architecture of a broadcasting system for a coal mine provided by an embodiment of the utility model;

[0014] Figure 2A schematic diagram of the structure of a broadcast system master station provided by an embodiment of the utility model;

[0015] Figure 3 A schematic diagram of the electrical principle of a broadcast system master station provided by an embodiment of the utility model;

[0016] Figure 4 A schematic diagram of the structure of a broadcast system substation provided by an embodiment of the utility model;

[0017] Figure 5 A schematic diagram of the electrical principle of a broadcasting system substation provided by an embodiment of the utility model;

[0018] Figure 6 A schematic diagram of the structure of a broadcasting system speaker provided by an embodiment of the utility model;

[0019] Figure 7 The present invention provides an electrical schematic diagram of a speaker for a broadcasting system according to an embodiment of the present invention.

[0020] Among them, the broadcasting system server 1, the above-ground gigabit ring network switch 2, the underground gigabit ring network switch 3, the broadcasting system master station 4, the broadcasting system substation 5, the broadcasting system speaker 6, and the 18V intrinsically safe power supply 7;

[0021] Master station explosion-proof housing 8, handle 9, cavity terminal 10, master station battery pack 11, master station switch power supply 12, master station charge and discharge management board 13, master station main control board 14, master station switch 15, hook 16, hand microphone 17, master station display screen 18, master station dialing keyboard 19, master station call button 20, master station microphone 21, master station speaker 22;

[0022] Substation explosion-proof housing 23, hanging ear 24, off-hook detection hook 25, substation telephone 26, substation speaker 27, substation microphone 28, substation indicator light 29, substation call button 30, substation main control board 31, substation switch 32, substation sealed amplifier 33, substation power carrier board 34;

[0023] Speaker explosion-proof housing 35, handle 36, speaker display screen 37, speaker 38, speaker switch power supply 39, speaker charge and discharge management board 40, speaker battery pack 41, speaker power amplifier circuit board 42, speaker main control board 43. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with the implementation mode and the accompanying drawings. Here, the schematic implementation mode of the utility model and its description are used to explain the utility model, but are not used as a limitation of the utility model.

[0025] See also Figure 1-Figure 7 The utility model implements a broadcasting system for a coal mine, including a broadcasting system server 1 and an aboveground gigabit ring network switch 2 placed in an aboveground dispatching room, an underground gigabit ring network switch 3 placed in an underground sub-dispatching room, a broadcasting system master station 4, a broadcasting system substation 5 and a broadcasting system speaker 6 placed along the underground line; the broadcasting system server 1 is communicatively connected to the aboveground gigabit ring network switch 2, the aboveground gigabit ring network switch 2 is communicatively connected to the underground gigabit ring network switch 3, the broadcasting system master station 4, the broadcasting system substation 5 and the broadcasting system speaker 6 are networked in a serial manner and communicatively connected to the underground gigabit ring network switch 3.

[0026] During implementation, the broadcasting system server 1 and the aboveground gigabit ring network switch 2 can communicate using a network cable, and the aboveground gigabit ring network switch 2 and the underground gigabit ring network switch 3 can communicate using optical fiber. During networking, optical fiber can be used to connect the underground gigabit ring network switch 3 with the broadcasting system main station 4, the broadcasting system substation 5 and the broadcasting system speaker 6. When the broadcasting system main station 4, the broadcasting system substation 5 and the broadcasting system speaker 6 are networked in serial mode, optical fiber or a mining 4-core cable can be used to complete the communication according to the distance between the two devices. In addition, the broadcasting system substation 5 is powered separately by an 18V intrinsically safe power supply 7; the broadcasting system main station 4 and the broadcasting system speaker 6 can be powered by AC127V.

[0027] Corresponding to the above-mentioned coal mine broadcasting system, the structures of the broadcasting system main station 4, the broadcasting system substation 5 and the broadcasting system speaker 6 are specifically designed as follows:

[0028] Specifically, the broadcast system master station 4 includes a master station explosion-proof housing 8, and a handle 9 is arranged on the top of the master station explosion-proof housing 8; the interior of the master station explosion-proof housing 8 is divided into a battery pack cavity and a power management cavity located at the upper part and arranged side by side, and a control board cavity located at the lower part by a partition, and a through-cavity terminal 10 is arranged on the partition between each cavity; a master station battery pack 11 is arranged in the battery pack cavity, a master station switch power supply 12 and a master station charge and discharge management board 13 are arranged in the power management cavity, and a master station main control board 14 and a master station switch 15 are arranged in the control board cavity;

[0029] A hook 16 is provided on the right side surface of the explosion-proof housing 8 of the master station opposite to the power management cavity, and a hand microphone 17 is hung on the hook 16; a master station display screen 18 is provided on the front side surface of the explosion-proof housing 8 of the master station opposite to the power management cavity; a master station dialing keyboard 19, a master station call button 20 and a master station microphone 21 are provided on the front side surface of the explosion-proof housing 8 of the master station opposite to the control board cavity, and a master station speaker 22 is provided on the right side surface of the explosion-proof housing 8 of the master station opposite to the control board cavity;

[0030] The master station switch power supply 12 is connected to the master station charge and discharge management board 13, the master station charge and discharge management board 13 is connected to the master station battery pack 11, the master station display screen 18 and the master station main control board 14, the master station main control board 14 is connected to the hand microphone 17, the master station display screen 18, the master station switch 15, the master station speaker 22, the master station microphone 21, the master station call button 20 and the master station dial keyboard 19. During the specific connection, the main station charge and discharge management board 13 is electrically connected and communicated with the main station battery pack 11. The electrical connection is used to control the charge and discharge of the main station battery pack 11, and the communication connection is used to collect battery temperature, voltage, power and other data of the main station battery pack 11. The main station charge and discharge management board 13 completes power supply and communication with the main station display screen 18 through the data bus, and displays battery data in real time; the main station main control board 14 adopts a SIP mainboard, and the main station charge and discharge management board 13 is connected to the main station main control board 14 and the main station switch 15 for power supply. The main station main control board 14 communicates with the main station display screen 18 through the 485 bus, and the call status can be displayed during the call; the main station main control board 14 and the main station switch 15 are connected through a network cable communication. In addition, since the power supplies used by intrinsically safe equipment in mining have energy limitations, in a specific real-time situation, three 12V intrinsically safe power supplies can be designed in the master station charge and discharge management board 13, and the two master station speakers 22 use two 12V intrinsically safe power supplies, and the remaining 12V intrinsically safe power supply supplies power to the master station main control board 14, the master station switch 15, etc.

[0031] When installing the broadcast system master station 4, the 127V power supply is introduced from the power inlet nozzle to the internal master station switch power supply, and the optical fiber is introduced into the control board cavity and connected to the master station switch.

[0032] Call the dispatch room: Click the "Call" button in the main station call button 20, the broadcasting system main station 4 will emit a ringing prompt tone and the main station display screen 18 will display "Network call in progress". Wait for the dispatch room to connect and speak to the main station microphone 21; when the call is over, press the "Dial" button in the main station dial keyboard 19 to hang up.

[0033] Talk between 4 broadcasting system master stations: Click the "Dial" key on the master station dial pad 19, the broadcasting system master station 4 will emit a dial tone and the display screen will display "Enter phone number", enter the four digits of the called broadcasting system master station 4 number in sequence and end with the "#" key on the dial pad 19, the called broadcasting system master station 4 will automatically answer the call and the display window will display "Network call in progress", speak into the master station microphone 21; when the call is over, click the "Dial" key on the dial pad 19 to hang up.

[0034] How to use the hand microphone 17: During a call, press and hold the "hand microphone send button" on the hand microphone 17 and speak to the hand microphone 17. The "hand microphone send button" must be kept pressed during the speaking process; after the call, click the "dial" button to hang up and put the hand microphone 17 back to its original position.

[0035] Customized call: You can set the "Call 1", "Call 2" and "Call 3" in the main station call button 20 as spare buttons, and set them to call the designated location broadcast system equipment with one button. The system administrator can configure it according to actual needs.

[0036] During implementation, the broadcasting system substation 5 includes a substation explosion-proof shell 23, a hanging ear 24 is arranged on the top of the substation explosion-proof shell 23, a pick-up detection hook 25 is arranged on the right side of the substation explosion-proof shell 23, and a substation telephone 26 is arranged on the pick-up detection hook 25; a substation speaker 27 is arranged on the upper part of the front side of the substation explosion-proof shell 23, and a substation microphone 28, a substation indicator light 29 and a substation call button 30 are arranged on the lower part; a substation main control board 31, a substation switch 32 and a substation sealed amplifier 33 are arranged inside the substation explosion-proof shell 23, the substation main control board 31 is connected to the substation switch 32, the substation sealed amplifier 33, the substation indicator light 29, the substation call button 30, the pick-up detection hook 25, the substation telephone 26 and the substation microphone 28, and the substation sealed amplifier 33 is connected to the substation speaker 27.

[0037] A substation power carrier board 34 is also disposed inside the substation explosion-proof housing 8 , and the substation power carrier board 34 is communicatively connected with the substation switch 32 .

[0038] The substation main control board 31 may adopt an MCU circuit board, and the substation indicator lights 29 are respectively an off-hook indicator light, a running indicator light and a power indicator light from left to right.

[0039] Call the dispatch room: Click the "Call" button in the substation call button 30, the broadcasting system substation 5 will emit a ringing prompt tone, wait for the dispatch room to connect and speak to the substation microphone 28; when the call is finished, press the "Hook" button in the substation call button 30 to hang up.

[0040] Use of branch phone 26: After picking up branch phone 26, the call function switches to branch phone 26. After the call is over, hang the hand microphone back to its original position to automatically hang up.

[0041] Backup button: The "backup" button in the substation call button 30 can be set to call the designated location broadcasting system equipment with one button, and is configured by the system administrator according to actual needs.

[0042] In the implementation, the broadcasting system speaker 6 includes a speaker explosion-proof shell 35, a handle 36 is arranged on the top of the speaker explosion-proof shell 35, a speaker display screen 37 is arranged on the front side of the speaker explosion-proof shell 35, and speaker speakers 38 are arranged on the left and right sides. The speaker explosion-proof shell 35 is provided with a speaker switch power supply 39, a speaker charge and discharge management board 40, a speaker battery pack 41, a speaker power amplifier circuit board 42 and a speaker main control board 43; the speaker switch power supply 39 is connected to the speaker charge and discharge management board 40; the speaker charge and discharge management board 40 is connected to the speaker battery pack 41, the speaker display screen 37, the speaker power amplifier circuit board 42 and the speaker main control board 43; the speaker power amplifier circuit board 42 is connected to the speaker speaker 38. The speaker main control board 43 can adopt a SIP core board, and the working status and parameters of the main power supply and the speaker battery pack 41 can be observed in the speaker display screen 37 after the broadcasting system speaker 6 is powered on. According to the working mode of the broadcasting system speaker 6, it can be divided into a host speaker and a slave speaker. The host speaker needs to introduce the optical fiber into the intrinsically safe cavity of the equipment, connect to the internal speaker main control board 43, connect to the mine broadcasting system through the ring network, and lead out the audio signal through the mine signal cable; the speaker main control board 43 in the slave speaker is connected to the mine signal cable and used as an analog audio broadcasting device.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A broadcasting system for coal mines, characterized in that: It includes the broadcasting system server and gigabit ring network switch in the dispatching room above the well, the gigabit ring network switch in the underground dispatching room below the well, the broadcasting system master station, broadcasting system substation and broadcasting system speakers along the underground line; The broadcasting system server is connected to the on-site gigabit ring network switch, which is connected to the underground gigabit ring network switch. The broadcasting system master station, broadcasting system substation and broadcasting system speakers are networked in serial mode and connected to the underground gigabit ring network switch.

2. The coal mine broadcasting system according to claim 1, characterized in that: The broadcast system master station includes a master station explosion-proof housing, and a handle is arranged on the top of the master station explosion-proof housing; the interior of the master station explosion-proof housing is divided into a battery pack cavity and a power management cavity located in the upper part and arranged side by side, and a control board cavity located in the lower part by a partition, and a through-cavity terminal is arranged on the partition between each cavity; the master station battery pack is arranged in the battery pack cavity, the master station switch power supply and the master station charge and discharge management board are arranged in the power management cavity, and the master station main control board and the master station switch are arranged in the control board cavity; A hook is provided on the right side of the explosion-proof housing of the master station opposite to the power management cavity, and a hand microphone is hung on the hook; a master station display screen is provided on the front side of the explosion-proof housing of the master station opposite to the power management cavity; a master station dialing keyboard, a master station call button and a master station microphone are provided on the front side of the explosion-proof housing of the master station opposite to the control board cavity, and a master station speaker is provided on the right side of the explosion-proof housing of the master station opposite to the control board cavity; The master station switch power supply is connected to the master station charge and discharge management board, the master station charge and discharge management board is connected to the master station battery pack, the master station display screen and the master station main control board, the master station main control board is connected to the hand microphone, the master station display screen, the master station switch, the master station speaker, the master station microphone, the master station call button and the master station dial keyboard.

3. The coal mine broadcasting system according to claim 1, characterized in that: The broadcasting system substation includes a substation explosion-proof shell, a hanging ear is arranged on the top of the substation explosion-proof shell, an off-hook detection hook is arranged on the right side of the substation explosion-proof shell, and a substation telephone is arranged on the off-hook detection hook; a substation speaker is arranged on the upper part of the front side of the substation explosion-proof shell, and a substation microphone, a substation indicator light and a substation call button are arranged on the lower part; a substation main control board, a substation switch and a substation sealed amplifier are arranged inside the substation explosion-proof shell, the substation main control board is connected to the substation switch, the substation sealed amplifier, the substation indicator light, the substation call button, the off-hook detection hook, the substation telephone and the substation microphone, and the substation sealed amplifier is connected to the substation speaker.

4. The coal mine broadcasting system according to claim 3, characterized in that: A substation power carrier board is also arranged inside the substation explosion-proof housing, and the substation power carrier board is connected to the substation switch.

5. The coal mine broadcasting system according to claim 1, characterized in that: The broadcasting system speaker includes a speaker explosion-proof shell, a handle is arranged on the top of the speaker explosion-proof shell, a speaker display screen is arranged on the front side of the speaker explosion-proof shell, and speaker speakers are arranged on the left and right sides, and a speaker switching power supply, a speaker charge and discharge management board, a speaker battery pack, a speaker power amplifier circuit board and a speaker main control board are arranged inside the speaker explosion-proof shell; the speaker switching power supply is connected to the speaker charge and discharge management board; the speaker charge and discharge management board is connected to the speaker battery pack, the speaker display screen, the speaker power amplifier circuit board and the speaker main control board; the speaker power amplifier circuit board is connected to the speaker speaker.

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