Ceiling 360-degree omnidirectional multifunctional active sound system
By designing the omnidirectional multi-functional active audio system at the ceiling 360, the existing audio system has solved the problems of single functions, poor integration and complex construction, and achieved the satisfaction of sound field uniformity and multi-functional needs in the classroom.
Patent Information
- Application Number
- CN202420236628.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-01-31
AI Technical Summary
The existing school audio system has a single function, poor integration and complex construction, making it difficult to meet the needs of multimedia amplification, teacher sound amplification, campus broadcasting and sound field uniformity.
Design a ceiling 360 omnidirectional multi-functional active audio system, adopting a 360° omnidirectional sound reinforcement design, integrating multimedia amplification, teacher amplification, campus broadcasting and ringing functions, providing uninterruptible power supply through UPS power supply, simplifying the installation process.
It achieves sound field uniformity in the classroom, and students' listening is clearer. A single speaker meets the needs of multimedia amplification, teacher amplification, campus broadcasting, etc., with high integration, simple installation, and diverse functions.
Smart Images

Figure CN222638675U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of audio equipment, in particular to a ceiling-mounted 360-degree omnidirectional multifunctional active audio system. Background Art
[0002] Existing school speakers are either hung on both sides of the blackboard, divided into two speakers on the left and right, the main speaker and the auxiliary speaker, which require wiring between the main and auxiliary speakers, and wiring from the speakers to the computer or large screen. Some also require speakers to be installed in the middle of the classroom to change the direction of the sound field and make the classroom sound field more uniform. In addition, with the advancement of technology, the sound system also needs to add a bell constant pressure speaker in the classroom to ensure that the bell sound during class can be accurate and not harsh, so as to protect the hearing of students and teachers from harm. However, the existing sound system has a single function, poor integration, and complex construction, which makes it difficult to meet the above requirements. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the utility model proposes a ceiling-mounted 360-degree omnidirectional multifunctional active sound system, which can be installed in the middle of the classroom, and can emit sound from all four sides and the bottom. A single speaker can meet the needs of classroom multimedia sound amplification, teacher sound amplification, campus broadcasting, and remote interactive sound amplification. It solves the problem of uneven sound field, is easy to install, and integrates bell ringing, IP broadcasting functions, APP applets, and various functions.
[0004] To realize the above technical scheme, the utility model provides a ceiling-mounted 360 omnidirectional multifunctional active sound system, comprising: a UPS power supply, an IP broadcast server, a computer room switch, an IP network audio decoder and a constant-voltage broadcast host installed in a computer room, wherein the UPS power supply is electrically connected to the IP broadcast server, the computer room switch, the IP network audio decoder and the constant-voltage broadcast host respectively; a ceiling-mounted 360 omnidirectional multifunctional active speaker and a classroom switch installed in a classroom, wherein the classroom switch is electrically connected to the computer room switch and the ceiling-mounted 360 omnidirectional multifunctional active speaker respectively, and the A 360 degree ceiling-mounted omnidirectional multifunctional active speaker is installed at the top center of the classroom. The 360 degree ceiling-mounted omnidirectional multifunctional active speaker is electrically connected to a constant-pressure broadcast host. The 360 degree ceiling-mounted omnidirectional multifunctional active speaker comprises a speaker body, which is arranged in an inverted square cone shape. A bottom constant-pressure broadcast speaker is installed at the bottom of the square cone speaker body, and side power amplifier speakers are installed on the four sides of the square cone speaker body. The top surface of the square cone speaker body is hung on the ceiling above the teacher; a wireless microphone is wirelessly connected to the 360 degree ceiling-mounted omnidirectional multifunctional active speaker.
[0005] In the above technical solution, during actual operation, the UPS power supply installed in the computer room can provide uninterrupted power supply for the entire system, and the ceiling-mounted 360° omnidirectional multifunctional active speaker adopts a 360° omnidirectional sound amplification design, with a uniform sound field volume and clearer hearing for students. By connecting the bottom constant-voltage broadcast speaker with the switch, constant-voltage broadcast host, and wireless microphone, a single speaker can meet the needs of classroom multimedia amplification, teacher amplification, campus broadcasting, etc., with a high degree of integration, APP applets, and diverse functions.
[0006] Preferably, the present ceiling-mounted 360 degree omnidirectional multifunctional active audio system also includes a computer, an expansion external device and a remote interactive device electrically connected to the ceiling-mounted 360 degree omnidirectional multifunctional active speaker. In actual use, remote interactive operation of the ceiling-mounted 360 degree omnidirectional multifunctional active speaker can be achieved through the computer, the expansion external device and the remote interactive device, thereby further improving the remote control expandability of the present system.
[0007] Preferably, the ceiling-mounted 360 omnidirectional multifunctional active speaker has a built-in Bluetooth module, a WIFI connection module, an infrared connection module and a U-segment connection module. The ceiling-mounted 360 omnidirectional multifunctional active speaker is connected to a wireless microphone and a mobile phone through the Bluetooth module, the WIFI connection module, the infrared connection module or the U-segment connection module. In actual use, the mobile phone APP can be used to connect to and control the 360 omnidirectional multifunctional active speaker.
[0008] Preferably, a control panel is installed on the speaker body, a display screen is installed on the control panel, a microphone input interface is installed on the left side of the display screen, a USB interface is installed on the right side of the display screen, and an audio input interface is installed on the right side of the USB interface. During actual installation or debugging, the working status and parameters of the ceiling-mounted 360° omnidirectional multifunctional active speaker can be displayed through the display screen, the microphone input interface can be connected to a wired microphone input, the USB interface is used to connect to an external input device, and the audio input interface is used to connect to an external audio input device to expand the functions of this ceiling-mounted 360° omnidirectional multifunctional active speaker.
[0009] Preferably, the wireless microphone includes a wireless microphone body, a Bluetooth connection module and a U-segment connection module are installed in the wireless microphone body, a connection signal display module is installed on the wireless microphone body, a PPT page turning function switch is installed below the connection signal display module, a PPT page turning button is arranged on one side of the PPT page turning function switch, a volume display module is installed below the PPT page turning button, a switch button is installed below the volume display module, a volume adjustment button is installed below the switch button, and a mode adjustment button is installed below the volume adjustment button. In actual use, the mode adjustment button can be used to switch to Bluetooth connection mode or U-segment connection mode, the connection signal display module can display the strength of the signal connection between the wireless microphone and the ceiling 360 omnidirectional multifunctional active speaker in real time, the PPT page turning function switch is used to turn on or off the PPT page turning function, the PPT page turning button is used to realize the control of the wireless microphone on the PPT page turning, the volume display module is used to display the volume of the wireless microphone, the switch button is used to control the opening and closing of the wireless microphone power supply, and the volume adjustment button is used to adjust the volume of the wireless microphone.
[0010] The beneficial effects of a ceiling-mounted 360° omnidirectional multifunctional active audio system provided by the utility model are as follows: the ceiling-mounted 360° omnidirectional multifunctional active audio system has a simple structure and a reasonable design. It can be installed in the middle of the classroom, and can emit sound from all sides and the bottom, solving the problem of uneven sound field. It is easy to install, and has integrated bell ringing and IP broadcasting functions, with various functions. In actual operation, the UPS power supply installed in the computer room can provide an uninterrupted power supply for the entire system, and the ceiling-mounted 360° omnidirectional multifunctional active speaker adopts a 360° omnidirectional sound amplification design, with a uniform sound field volume, and clearer hearing for students. By connecting the bottom constant-pressure broadcast speaker with the switch, constant-pressure broadcast host, and wireless microphone, a single speaker can meet the needs of classroom multimedia sound amplification, teacher sound amplification, campus broadcasting, etc. It has a high degree of integration, an APP applet, and various functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the system structure of the utility model.
[0012] Figure 2 It is a structural schematic diagram of the ceiling-mounted 360-degree omnidirectional multifunctional active speaker in the utility model.
[0013] Figure 3 The figure is a schematic diagram of the structure of the wireless microphone in the utility model.
[0014] In the figure: 1. UPS power supply; 2. IP broadcast server; 3. Computer room switch; 4. IP network audio decoder; 5. Constant voltage broadcast host; 6. Classroom switch; 7. Ceiling 360 omnidirectional multifunctional active speaker; 71. Speaker body; 72. Bottom constant voltage broadcast speaker; 73. Side power amplifier speaker; 74. Control panel; 75. Display screen; 76. Microphone input interface; 77. USB interface; 78. Audio input interface; 8. Computer; 9. Expand external devices; 10. Remote interactive equipment; 11. Mobile phone wireless control equipment; 12. U-segment wireless microphone; 13. Wireless microphone; 131. Wireless microphone body; 132. Connection signal display module; 133. PPT page turning function switch; 134. PPT page turning button; 135. Volume display module; 136. Switch button; 137. Volume adjustment button; 138. Mode adjustment button. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. All other embodiments obtained by ordinary personnel in this field without creative work are within the scope of protection of the utility model.
[0016] Embodiment: A ceiling mounted 360 degree omnidirectional multifunctional active sound system.
[0017] Reference Figures 1 to 3 As shown, a ceiling-mounted 360-degree omnidirectional multifunctional active sound system comprises:
[0018] A UPS power supply 1, an IP broadcast server 2, a computer room switch 3, an IP network audio decoder 4 and a constant-voltage broadcast host 5 are installed in the computer room, wherein the UPS power supply 1 is electrically connected to the IP broadcast server 2, the computer room switch 3, the IP network audio decoder 4 and the constant-voltage broadcast host 5 respectively, wherein the UPS power supply 1 is used to provide an uninterrupted power supply for the entire system, and even if the city power is cut off, the effective operation of the system for a period of time can be guaranteed; the IP broadcast server 2 enables the system to have an IP broadcast function, the computer room switch 3 is used to transmit data with the classroom switch 6 installed in the classroom to ensure stable operation of the system, the IP network audio decoder 4 is used for directional IP network audio decoding to prevent illegal input of some network audios, and the constant-voltage broadcast host 5 is used for constant-voltage ringing to avoid harsh ringing when ringing, so as to protect the hearing of teachers and students.
[0019] The ceiling 360 omnidirectional multifunctional active speaker 7 and the classroom switch 6 are installed in the classroom. The classroom switch 6 is electrically connected to the computer room switch 3 and the ceiling 360 omnidirectional multifunctional active speaker 7 respectively. The ceiling 360 omnidirectional multifunctional active speaker 7 is installed at the top center of the classroom. The ceiling 360 omnidirectional multifunctional active speaker 7 is electrically connected to the constant pressure broadcast host 5 to achieve accurate, clear and gentle constant pressure ringing sound. The ceiling 360 omnidirectional multifunctional active speaker 7 includes a speaker body 71. The speaker body The body 71 is set to be an inverted square cone, and a bottom constant-pressure broadcast speaker 72 is installed at the bottom of the square cone speaker body 71. The bottom constant-pressure broadcast speaker 72 is professionally used to play clear and gentle constant-pressure ringing sounds. The four sides of the square cone speaker body 71 are all installed with side power amplifier speakers 73. The side power amplifier speakers 73 are used for microphones and multimedia amplification. The top surface of the square cone speaker body 71 is hung on the ceiling above the teacher; a control panel 74 is installed on the speaker body 71, and a control panel 74 is installed on the control panel 74. A display screen 75 is provided, a microphone input interface 78 is provided on the left side of the display screen 75, a USB interface 77 is provided on the right side of the display screen 75, and an audio input interface 78 is provided on the right side of the USB interface 77. During actual installation or debugging, the working status and parameters of the ceiling-mounted 360° omnidirectional multifunctional active speaker 7 can be displayed through the display screen 75, the microphone input interface 76 can be connected to a wired microphone input, the USB interface 77 is used to connect to an external input device, and the audio input interface 78 is used to connect to an external audio input device to expand the functions of the ceiling-mounted 360° omnidirectional multifunctional active speaker 7; the ceiling-mounted 360° omnidirectional multifunctional active speaker 7 is built with a Bluetooth module, a WIFI connection module, an infrared connection module and a U-segment connection module. The ceiling-mounted 360° omnidirectional multifunctional active speaker 7 is connected to a wireless microphone 13 and a mobile phone wireless control device 11 through the Bluetooth module, the WIFI connection module, the infrared connection module or the U-segment connection module. During actual use, the 360° omnidirectional multifunctional active speaker 7 can be connected and controlled through a mobile phone APP;
[0020] A wireless microphone 13 wirelessly connected to the ceiling-mounted 360 omnidirectional multifunctional active speaker 7, the wireless microphone 13 comprising a wireless microphone body 131, a Bluetooth connection module and a U-segment connection module installed in the wireless microphone body 131, a connection signal display module 132 installed on the wireless microphone body 131, a PPT page turning function switch 133 installed below the connection signal display module 132, a PPT page turning button 134 is provided on one side of the PPT page turning function switch 133, a volume display module 135 is installed below the PPT page turning button 134, a switch button 136 is installed below the volume display module 135, a volume adjustment button 137 is installed below the switch button 136, and a mode adjustment button 138 is installed below the volume adjustment button 137. In actual use, the mode adjustment button 138 can be used to switch to the Bluetooth connection mode or the U-segment connection mode. The U-segment connection mode can be used in the presence of interference signals to further improve the anti-interference ability of the wireless microphone 13. The connection signal display module 132 can display the strength of the signal connection between the wireless microphone 13 and the ceiling 360 omnidirectional multifunctional active speaker 7 in real time. The PPT page turning function switch 133 is used to turn on or off the PPT page turning function of the wireless microphone 13. The PPT page turning button 134 is used to realize the control of the wireless microphone 13 on the PPT page turning. The volume display module 135 is used to display the volume of the wireless microphone 13. The switch button 136 is used to control the power on and off of the wireless microphone 13. The volume adjustment button 137 is used to adjust the volume of the wireless microphone 13.
[0021] It also includes a computer 8, an expansion external device 9 and a remote interactive device 10 electrically connected to the ceiling-mounted 360° omnidirectional multifunctional active speaker 7. During actual use, the computer 8, the expansion external device 9 and the remote interactive device 10 can be used to implement remote interactive operation of the ceiling-mounted 360° omnidirectional multifunctional active speaker 7, thereby further improving the remote control expandability of the system.
[0022] This system also has the following features:
[0023] (1) The speaker body has a built-in digital power amplifier, a new DSP algorithm digital technology, and independent 5-channel output, with strong sound quality restoration, high power, clear sound, and stable performance.
[0024] (2) The speaker body 71 has built-in amplifier, power supply, wireless reception, Bluetooth reception, constant voltage, IP network module, remote control reception and other functions. It has a high degree of integration, avoids the troubles of cumbersome wiring, equipment selection, effect matching, connection and debugging, and is easy to install in the ceiling.
[0025] (3) Infrared frequency matching technology to avoid cross-frequency interference, digital U-segment transmission, and automatic selection of audio channel connection.
[0026] (4) Seamless connection and switching technology between IP network and constant voltage dual signal supports signal backup output system, achieving uninterrupted audio playback during power outages and network disconnection.
[0027] (5) Five-channel output, 4 independent CLASS_D amplifiers drive 4 4-inch side amplifier speakers 73 and 1 4-inch bottom constant-voltage broadcast speaker 72.
[0028] (6) The wired microphone volume, wireless microphone volume, music volume, and output volume can be adjusted independently.
[0029] (7) 2-way 3.5mm audio input interface, 1-way 6.35 microphone input interface, can be connected to microphones of the same brand without batteries.
[0030] (8) 1-channel 3.5mm recording output interface, also compatible with remote interactive output and independent volume control.
[0031] (9) It has USB external wired and wireless PPT page turning functions.
[0032] (10)LED digital tube display screen, remote wireless remote control function operation.
[0033] (11) Wireless control function of mobile phone applet.
[0034] (12) Supports dual-mode Bluetooth V5.0, and is compatible with Bluetooth V4.2 and V2.1+EDRUSB decoding and playback.
[0035] (13) Support decoding: MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV (IMAADPCM&PCM), AIF, AIFC.
[0036] (14) One-channel 70V-110V constant voltage analog signal wired broadcast emergency forced input, automatically restore classroom sound reinforcement after 5 seconds.
[0037] (15) Support digital U-band / Bluetooth wireless microphone amplification reception, effectively avoiding wifi interference.
[0038] (16) Supports Bluetooth wireless reception, which makes it convenient for teachers to share audio on mobile devices. Bluetooth supports password mode to prevent students from connecting.
[0039] This ceiling-mounted 360° omnidirectional multifunctional active audio system has a simple structure and reasonable design. It can be installed in the middle of the classroom, emitting sound from all four sides and the bottom, solving the problem of uneven sound field. It is easy to install and integrates bell ringing and IP broadcasting functions, with various functions. In actual work, the UPS power supply installed in the computer room can provide uninterrupted power supply for the entire system. In addition, the ceiling-mounted 360° omnidirectional multifunctional active speaker adopts a 360° omnidirectional sound amplification design, with uniform sound field volume and clearer hearing for students. By connecting the bottom constant-pressure broadcast speaker with the switch, constant-pressure broadcast host, and wireless microphone, a single speaker can meet the needs of classroom multimedia sound amplification, teacher sound amplification, campus broadcasting, etc. It has a high degree of integration and various functions.
[0040] The above is only a preferred embodiment of the present invention, but the present invention should not be limited to the contents disclosed in the embodiment and the drawings, so any equivalent or modification completed without departing from the spirit disclosed in the present invention shall fall within the scope of protection of the present invention.
Claims
1. A ceiling mounted 360 degree omnidirectional multifunctional active sound system, characterized in that include: UPS power supply, IP broadcast server, computer room switch, IP network audio decoder and constant voltage broadcast host installed in the computer room, wherein the UPS power supply is electrically connected to the IP broadcast server, computer room switch, IP network audio decoder and constant voltage broadcast host respectively; A ceiling-mounted 360° omnidirectional multifunctional active speaker and a classroom switch installed in the classroom, wherein the classroom switch is electrically connected to the computer room switch and the ceiling-mounted 360° omnidirectional multifunctional active speaker respectively, wherein the ceiling-mounted 360° omnidirectional multifunctional active speaker is installed at the center of the top of the classroom, wherein the ceiling-mounted 360° omnidirectional multifunctional active speaker is electrically connected to a constant-pressure broadcast host, wherein the ceiling-mounted 360° omnidirectional multifunctional active speaker comprises a speaker body, wherein the speaker body is arranged in an inverted square cone shape, wherein a bottom constant-pressure broadcast loudspeaker is installed at the bottom of the square cone speaker body, wherein side power amplifier loudspeakers are installed on the four sides of the square cone speaker body, and the top surface of the square cone speaker body is hung on the ceiling above the teacher; Wireless microphone wirelessly connected to the ceiling-mounted 360-degree omnidirectional multi-function active speaker.
2. The ceiling-mounted 360-degree omnidirectional multifunctional active sound system as claimed in claim 1, characterized in that: It also includes a computer, an expansion external device and a remote interactive device electrically connected to the ceiling-mounted 360 omnidirectional multifunctional active speaker.
3. The ceiling-mounted 360-degree omnidirectional multifunctional active sound system according to claim 1, characterized in that: The ceiling-mounted 360 omnidirectional multifunctional active speaker has a built-in Bluetooth module, a WIFI connection module, an infrared connection module and a U-segment connection module. The ceiling-mounted 360 omnidirectional multifunctional active speaker is connected to a wireless microphone, a mobile phone, and an APP applet through the Bluetooth module, the WIFI connection module, the infrared connection module or the U-segment connection module.
4. The ceiling-mounted 360-degree omnidirectional multifunctional active sound system as claimed in claim 1, characterized in that: A control panel is installed on the speaker body, a display screen is installed on the control panel, a microphone input interface is installed on the left side of the display screen, a USB interface is installed on the right side of the display screen, and an audio input interface is installed on the right side of the USB interface.
5. The ceiling-mounted 360-degree omnidirectional multifunctional active sound system as claimed in claim 1, characterized in that: The wireless microphone includes a wireless microphone body, a Bluetooth connection module and a U-segment connection module are installed in the wireless microphone body, a connection signal display module is installed on the wireless microphone body, a PPT page turning function switch is installed below the connection signal display module, a PPT page turning button is arranged on one side of the PPT page turning function switch, a volume display module is installed below the PPT page turning button, a switch button is installed below the volume display module, a volume adjustment button is installed below the switch button, and a mode adjustment button is installed below the volume adjustment button.