The first part of the school overview and needs. The new campus of a medical school covers an area of ​​1,000 mu and the planned total construction area is 200,000 square meters. According to the actual requirements of the school on the function of the campus intelligent broadcasting system, the campus intelligent broadcasting system is mainly implemented in local broadcasting, combined with actual drawings According to the inspection results, the distance of the farthest area is up to 4000 meters, which is mainly designed and installed on the lamp poles on both sides of the street lamp. Considering the future long-term development needs of the school, our company analyzes the broadcasting system as follows:
1. Campus public broadcasting function. That is, according to the needs of the school, the overall broadcast to the school can be achieved.
2. According to the characteristics of the campus, install audio equipment in the campus square area, stadium road area, lake lawn area, dormitory lawn area, canteen area, football field area, test building area, office building area, and West Outer Ring Road area, Ensure the volume and sound quality of the campus.
3. Auto play function. Realize the automatic play of music bells, radio exercises, background music, external signal broadcast news and commonly used music. The main control management computer realizes the automatic switch on and off, and executes the playlist of the day by default, and performs the sequence automatic play to achieve the unattended function.
4. Partition or branch college control function. According to the school's broadcasting needs, the entire campus can be partitioned to manage the entire campus, as well as single or multiple area combinations. The function is divided into two parts. The first is to automatically play common areas, single areas, combined areas, and the entire campus; the second is to manually control the single areas, combined areas, and campus at any time according to school needs. Broadcast as a whole (such as announcements, meetings, speeches, etc.).
5. The system has simple equipment, powerful functions, easy installation and maintenance, and good stability. Meet the development needs of the school, and reserve interfaces for school expansion.
The second part of the solution 1. According to the characteristics of the school, we tentatively divide the entire campus into 3 large areas, namely, the living area, the teaching area, and the sports area; these three areas are divided into the following 9 communities, respectively: :
Living areas: square area, stadium road area, lake lawn area, dormitory lawn area, canteen area, west outer ring road area;
Teaching area: experimental building area, office building area;
Sports area: football field area;
The above 9 areas. The main control room adopts two 8-way partitions. In order to facilitate the school to expand the partition interface, the partition can be added at any time according to the needs of the school.
2. Design of main control center: The control system consists of main control computer, communication control card, audio distributor, partition controller, power amplifier, partition control software and automatic broadcast software. The RS485 bus control mode is adopted, which has the characteristics of long transmission distance and strong anti-interference. This system is mainly designed in the broadcast center of the gymnasium, and the distance between the broadcast center and each area from the farthest broadcast point is relatively central.
3. Design of speakers in the lake lawn area: Design 16 GM series lawn speakers in the lake lawn road area according to the situation and the distance. Jinmai Video GM series lawn speakers have hundreds of models, elegant appearance, solid materials, sound quality and sound pressure Stable; each power is 20W; according to the calculation, the actual power is 320W.
4. Design of speakers in the lawn area of ​​the student dormitory building: According to the situation on the site, consider that there are road lawn sections near the student dormitory area. A total of 28 GM-series lawn speakers are designed in the student dormitory area, each with a power of 20W; 560W.
5. Speaker design of the West Outer Ring Road area: According to the situation on the site, consider that the area near the West Ring Road is an empty road section. A total of 14 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the highway and Yongdao District. GM-418 luxury outdoor waterproof and dustproof column is specially designed and used for school broadcasting system configuration. Considering that the distance between each column is relatively long, all low-power columns are not selected, this column is the largest The power is 60W; according to the calculation, the actual power is 840W.
6. Speaker design of the experimental building area: According to the situation on the site, consider that the vicinity of the experimental building area is an empty road section. A total of 12 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the Yongdao area of ​​the experimental building, each with a maximum actual power. 60W; according to the calculation, the actual power is 720W.
7. Speaker design in the office building area: According to the situation on the site, consider the open road section near the Yongdao area of ​​the experimental building. A total of 12 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the experimental building area, each with the maximum actual power 60W; according to the calculation, the actual power is 720W.
8. Speaker design in the canteen area: Consider the open road section near the canteen area according to the site situation. A total of 12 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the square 2 area, each with a maximum actual power of 60W; The actual power calculated is 720W.
9. Speaker design of stadium road area: According to the situation on the site, consider that the vicinity of the stadium road area is an empty road section. A total of 10 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the stadium road area. The maximum actual power of each is 60W; according to the calculation, the actual power is 600W.
10. Speaker design for football field area: a total of 12 GM-418, 40 / 60W waterproof and dustproof sound columns are designed according to the field calculation standard of 400 meters; the maximum actual power of each is 60W; when considering radio gymnastics and sports games, For independent control and use, set up a secondary control system near the playground stands for control (broadcast cabinets, power amplifiers, DVDs, and broadcast microphones are convenient for independent broadcast activities), and the actual power is 720W according to the calculation.
11. Speaker design in the square area: A total of 4 GM-418, 40 / 60W waterproof sound columns are designed in the square area according to the situation, and the actual maximum power is 240W according to the calculation.
12. Amplifier design: Considering the line power loss, the power of the amplifier should be greater than or equal to 1.3 to 1.5 times the total power of the speaker. According to the principle of the power amplifier, the total design power is 5440W. We design 2 GM-P2000, 2000W and 6 for the school A GM-P1500 (1500W) pure post-stage power amplifier is used to meet the use of background music in the entire campus. A total of 8 pure post-stage power amplifiers; in addition, the main sports ground is designed to be controlled separately when considering broadcast gymnastics and sports games. A GM-P1500 is designed. , 1500W pure post-stage power amplifier to meet the use of the main sports field.
13. Description of wiring design: wiring method: wiring method of bus system in each area. Type of wiring: one power cord (audio cord): RVV2 * 2.5mm sheathed cord.
Part III Main system features
1. The automatic playback function system is equipped with a music track library. According to the schedule set by the school, the automatic playback software can be used to achieve unattended automatic playback of radio exercises, national anthem, athlete march, preparatory music bell, class music bell, class music bell, wake up Number, etc., and other optional radio music and programs in schools such as news and English teaching programs.
2. Scheduled playlists According to the teaching and management needs of the school, the system can schedule a day and a week to play the schedule. The daily playlist can be set arbitrarily, not limited by the time period and time length. After the week ’s playlist is scheduled, After the computer is turned on every day, the system will automatically determine the day of the week, and then automatically play according to the arranged playlist. Playlists can be stored, modified, and edited.
3. After arranging a week's play schedule, the loop function can be played continuously throughout the year without resetting every week.
4. The large playback capacity is automatically broadcast through the computer, so thousands of ringtone music, various radio exercises, eye exercises, classroom music, various language teaching, English teaching programs can be stored in In the computer, a sound file material library is formed, which can be used for selection when arranging playlists, and audio files on the optical disc can also be played.
5. Set the play identifier. Various play identifiers can be set according to the play content: class bell, class bell, and inter-class exercise.
6. Play temporary broadcast The system is divided into manual and automatic modes. If the school has temporary broadcast content to be played, it can end the automatic playback state at any time and enter the manual playback state for playback.
7. The compatible function automatic broadcast system can be added to any kind of broadcast system such as: active broadcast system, constant pressure broadcast system, FM broadcast system, wireless broadcast system, etc.
8. If the partition control function system is equipped with a partition controller, the speakers of the playground, corridor and classroom can be controlled to play regularly according to the different contents.
The fourth part of the equipment list serial number equipment name model quantity unit 1 intelligent broadcast system control host GMTD industrial control host core dual-core / memory 1G / 160G / DVD / 17 inch LCD, the motherboard supports automatic boot function 1 set 2 intelligent broadcast system and 8-way partition control GMTD-8DV and GMTD-BCS 2 sets of 3 programming control tuner GM-8620T 1 set of 4 programming control CD player (one main control room, one playground control room) GM-8608 2 sets of 5 quarters and sixteen audio distribution GMTD-4 * 16 3 units 6 preamplifiers (one main control room, one playground control room) GM-8601A 2 units 7 16-bit power sequencer GM-8609S 2 units 8 broadcast microphones (2 units master Use, 2 playground controls) BK-240 4 sets 9 digital display 16-channel monitor GM-8605I 1 set 10 2000W pure post-stage amplifier GM-P2000 2 sets 11 1500W pure post-stage amplifier GM-P1500 6 sets
12 lawn area lawn speaker GM series, stone, animal, stump placard, etc. dozens of lawn speakers 44 13 outdoor luxury water-proof and dustproof sound column GM-418 40 / 60W (5 spares) 81 14 1.8 meters luxury cabinet customization (Use of main control room) 2 sets
Part V System Topology
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1. Campus public broadcasting function. That is, according to the needs of the school, the overall broadcast to the school can be achieved.
2. According to the characteristics of the campus, install audio equipment in the campus square area, stadium road area, lake lawn area, dormitory lawn area, canteen area, football field area, test building area, office building area, and West Outer Ring Road area, Ensure the volume and sound quality of the campus.
3. Auto play function. Realize the automatic play of music bells, radio exercises, background music, external signal broadcast news and commonly used music. The main control management computer realizes the automatic switch on and off, and executes the playlist of the day by default, and performs the sequence automatic play to achieve the unattended function.
4. Partition or branch college control function. According to the school's broadcasting needs, the entire campus can be partitioned to manage the entire campus, as well as single or multiple area combinations. The function is divided into two parts. The first is to automatically play common areas, single areas, combined areas, and the entire campus; the second is to manually control the single areas, combined areas, and campus at any time according to school needs. Broadcast as a whole (such as announcements, meetings, speeches, etc.).
5. The system has simple equipment, powerful functions, easy installation and maintenance, and good stability. Meet the development needs of the school, and reserve interfaces for school expansion.
The second part of the solution 1. According to the characteristics of the school, we tentatively divide the entire campus into 3 large areas, namely, the living area, the teaching area, and the sports area; these three areas are divided into the following 9 communities, respectively: :
Living areas: square area, stadium road area, lake lawn area, dormitory lawn area, canteen area, west outer ring road area;
Teaching area: experimental building area, office building area;
Sports area: football field area;
The above 9 areas. The main control room adopts two 8-way partitions. In order to facilitate the school to expand the partition interface, the partition can be added at any time according to the needs of the school.
2. Design of main control center: The control system consists of main control computer, communication control card, audio distributor, partition controller, power amplifier, partition control software and automatic broadcast software. The RS485 bus control mode is adopted, which has the characteristics of long transmission distance and strong anti-interference. This system is mainly designed in the broadcast center of the gymnasium, and the distance between the broadcast center and each area from the farthest broadcast point is relatively central.
3. Design of speakers in the lake lawn area: Design 16 GM series lawn speakers in the lake lawn road area according to the situation and the distance. Jinmai Video GM series lawn speakers have hundreds of models, elegant appearance, solid materials, sound quality and sound pressure Stable; each power is 20W; according to the calculation, the actual power is 320W.
4. Design of speakers in the lawn area of ​​the student dormitory building: According to the situation on the site, consider that there are road lawn sections near the student dormitory area. A total of 28 GM-series lawn speakers are designed in the student dormitory area, each with a power of 20W; 560W.
5. Speaker design of the West Outer Ring Road area: According to the situation on the site, consider that the area near the West Ring Road is an empty road section. A total of 14 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the highway and Yongdao District. GM-418 luxury outdoor waterproof and dustproof column is specially designed and used for school broadcasting system configuration. Considering that the distance between each column is relatively long, all low-power columns are not selected, this column is the largest The power is 60W; according to the calculation, the actual power is 840W.
6. Speaker design of the experimental building area: According to the situation on the site, consider that the vicinity of the experimental building area is an empty road section. A total of 12 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the Yongdao area of ​​the experimental building, each with a maximum actual power. 60W; according to the calculation, the actual power is 720W.
7. Speaker design in the office building area: According to the situation on the site, consider the open road section near the Yongdao area of ​​the experimental building. A total of 12 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the experimental building area, each with the maximum actual power 60W; according to the calculation, the actual power is 720W.
8. Speaker design in the canteen area: Consider the open road section near the canteen area according to the site situation. A total of 12 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the square 2 area, each with a maximum actual power of 60W; The actual power calculated is 720W.
9. Speaker design of stadium road area: According to the situation on the site, consider that the vicinity of the stadium road area is an empty road section. A total of 10 GM-418 40 / 60W luxury outdoor waterproof and dustproof sound columns are designed in the stadium road area. The maximum actual power of each is 60W; according to the calculation, the actual power is 600W.
10. Speaker design for football field area: a total of 12 GM-418, 40 / 60W waterproof and dustproof sound columns are designed according to the field calculation standard of 400 meters; the maximum actual power of each is 60W; when considering radio gymnastics and sports games, For independent control and use, set up a secondary control system near the playground stands for control (broadcast cabinets, power amplifiers, DVDs, and broadcast microphones are convenient for independent broadcast activities), and the actual power is 720W according to the calculation.
11. Speaker design in the square area: A total of 4 GM-418, 40 / 60W waterproof sound columns are designed in the square area according to the situation, and the actual maximum power is 240W according to the calculation.
12. Amplifier design: Considering the line power loss, the power of the amplifier should be greater than or equal to 1.3 to 1.5 times the total power of the speaker. According to the principle of the power amplifier, the total design power is 5440W. We design 2 GM-P2000, 2000W and 6 for the school A GM-P1500 (1500W) pure post-stage power amplifier is used to meet the use of background music in the entire campus. A total of 8 pure post-stage power amplifiers; in addition, the main sports ground is designed to be controlled separately when considering broadcast gymnastics and sports games. A GM-P1500 is designed. , 1500W pure post-stage power amplifier to meet the use of the main sports field.
13. Description of wiring design: wiring method: wiring method of bus system in each area. Type of wiring: one power cord (audio cord): RVV2 * 2.5mm sheathed cord.
Part III Main system features
1. The automatic playback function system is equipped with a music track library. According to the schedule set by the school, the automatic playback software can be used to achieve unattended automatic playback of radio exercises, national anthem, athlete march, preparatory music bell, class music bell, class music bell, wake up Number, etc., and other optional radio music and programs in schools such as news and English teaching programs.
2. Scheduled playlists According to the teaching and management needs of the school, the system can schedule a day and a week to play the schedule. The daily playlist can be set arbitrarily, not limited by the time period and time length. After the week ’s playlist is scheduled, After the computer is turned on every day, the system will automatically determine the day of the week, and then automatically play according to the arranged playlist. Playlists can be stored, modified, and edited.
3. After arranging a week's play schedule, the loop function can be played continuously throughout the year without resetting every week.
4. The large playback capacity is automatically broadcast through the computer, so thousands of ringtone music, various radio exercises, eye exercises, classroom music, various language teaching, English teaching programs can be stored in In the computer, a sound file material library is formed, which can be used for selection when arranging playlists, and audio files on the optical disc can also be played.
5. Set the play identifier. Various play identifiers can be set according to the play content: class bell, class bell, and inter-class exercise.
6. Play temporary broadcast The system is divided into manual and automatic modes. If the school has temporary broadcast content to be played, it can end the automatic playback state at any time and enter the manual playback state for playback.
7. The compatible function automatic broadcast system can be added to any kind of broadcast system such as: active broadcast system, constant pressure broadcast system, FM broadcast system, wireless broadcast system, etc.
8. If the partition control function system is equipped with a partition controller, the speakers of the playground, corridor and classroom can be controlled to play regularly according to the different contents.
The fourth part of the equipment list serial number equipment name model quantity unit 1 intelligent broadcast system control host GMTD industrial control host core dual-core / memory 1G / 160G / DVD / 17 inch LCD, the motherboard supports automatic boot function 1 set 2 intelligent broadcast system and 8-way partition control GMTD-8DV and GMTD-BCS 2 sets of 3 programming control tuner GM-8620T 1 set of 4 programming control CD player (one main control room, one playground control room) GM-8608 2 sets of 5 quarters and sixteen audio distribution GMTD-4 * 16 3 units 6 preamplifiers (one main control room, one playground control room) GM-8601A 2 units 7 16-bit power sequencer GM-8609S 2 units 8 broadcast microphones (2 units master Use, 2 playground controls) BK-240 4 sets 9 digital display 16-channel monitor GM-8605I 1 set 10 2000W pure post-stage amplifier GM-P2000 2 sets 11 1500W pure post-stage amplifier GM-P1500 6 sets
12 lawn area lawn speaker GM series, stone, animal, stump placard, etc. dozens of lawn speakers 44 13 outdoor luxury water-proof and dustproof sound column GM-418 40 / 60W (5 spares) 81 14 1.8 meters luxury cabinet customization (Use of main control room) 2 sets
Part V System Topology
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