Wireless sound system

Abstract

The utility model relates to a wireless sound system, which comprises a transmitting device used for transmitting audio signals in a wireless mode and a receiving device used for receiving the audio signals in the wireless mode and playing sound, and the receiving device comprises a plurality of groups of loudspeaking assemblies. Each group of loudspeaking assembly comprises an active loudspeaking device and a plurality of passive loudspeaking devices, and the passive loudspeaking devices are connected in series and then are connected with the active loudspeaking device; the active loudspeaker device comprises a signal receiver used for receiving audio signals in a wireless mode, a power amplifier circuit connected with the signal receiver, and an active loudspeaker connected with the power amplifier circuit and used for playing sound. The passive loudspeaking device comprises a passive loudspeaker connected with the power amplifier circuit or the previous stage of passive loudspeaking device. According to the utility model, installation and wiring can be simplified, required working hours and workload are reduced, and later maintenance is facilitated.

Description

Technical Field

[0001] The utility model relates to a wireless audio system. Background Art

[0002] As shown in the attached Figure 1 figure, the existing audio system, especially the ceiling-mounted audio system, generally includes a power amplifier device 1 and several groups of series-connected passive ceiling speakers 2. The passive ceiling speakers 2 can produce audio output only under the action of the connected power amplifier device 1. In actual installation, the power amplifier device 1 is installed at a designated position, and the power amplifier device 1 and each passive ceiling speaker 2 are connected through a connecting wire 3. Thus, after a wired network signal or other types of signals are input into the power amplifier device 1, the passive ceiling speakers 2 play the sound. Since this form of audio system adopts a wired connection method, it requires cumbersome wired line wiring, which is time-consuming and laborious, and the large amount of connecting wires increases the cost, and it also causes many inconveniences to subsequent maintenance. Summary of the Invention

[0003] The purpose of the utility model is to provide a wireless audio system that avoids cumbersome wiring, reduces the working hours and workload required for installation, and is convenient for subsequent maintenance.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A wireless audio system includes a transmitting device for wirelessly transmitting an audio signal and a receiving device for wirelessly receiving the audio signal and playing the sound. The receiving device includes multiple groups of speaker components; each group of the speaker components includes an active speaker device and multiple passive speaker devices. Each of the passive speaker devices is connected in series and then connected to the active speaker device; the active speaker device includes a signal receiver for wirelessly receiving the audio signal, a power amplifier circuit connected to the signal receiver, and an active speaker connected to the power amplifier circuit and used for playing the sound; the passive speaker device includes a passive speaker connected to the power amplifier circuit or the previous-stage passive speaker device.

[0006] The active speaker devices in each group of the speaker components are communicatively connected.

[0007] In each group of the speaker components, each of the passive speaker devices, and between the first-stage passive speaker device and the active speaker device are connected through a connecting wire.

[0008] The active speaker devices in each group of the speaker components are communicatively connected through a connecting wire.

[0009] The signal receiver and the power amplifier circuit are arranged on an arc-shaped circuit board, and the arc-shaped circuit board is disposed around the rear end of the active speaker.

[0010] The active loudspeaker device further includes a housing with an opening, the arc-shaped circuit board and the active speaker are both arranged in the housing, and the front end of the active speaker is embedded in the opening.

[0011] The passive loudspeaker device further includes a cover shell with an opening, the passive speaker is arranged in the cover shell, and the front end of the passive speaker is embedded in the opening.

[0012] Both the active loudspeaker device and the passive loudspeaker device are installed on the top of the space by ceiling mounting.

[0013] The transmitting device includes a Wi-Fi signal transmitter and / or a Bluetooth signal transmitter, and the signal receiver is a Wi-Fi signal receiver and / or a Bluetooth signal receiver.

[0014] The Wi-Fi signal transmitter is a network server having a network signal input interface and for converting the network signal into a Wi-Fi signal.

[0015] Due to the application of the above technical solution, the present utility model has the following advantages compared with the prior art: The present utility model can simplify the installation wiring, reduce the required working hours and workload, and facilitate the later maintenance. Description of the Drawings

[0016] Attached Figure 1 is a schematic structural diagram of an existing audio system.

[0017] Attached Figure 2 is a block diagram of the structure of the wireless audio system of the present utility model.

[0018] Attached Figure 3 is a schematic structural diagram of the wireless audio system of the present utility model.

[0019] Attached Figure 4 is a schematic structural diagram of the wireless audio system of the present utility model.

[0020] In the above drawings: 1. Power amplifier device; 2. Passive ceiling speaker; 3. Connecting wire; 4. Wi-Fi signal transmitter; 5. Bluetooth signal transmitter; 6. Network server; 7. Active loudspeaker device; 8. Passive loudspeaker device; 9. Arc-shaped circuit board. Detailed Embodiments

[0021] The present utility model will be further described below in conjunction with the embodiments shown in the drawings.

[0022] Embodiment 1: As attachedFigure 2 As shown in the figure, a wireless audio system includes a transmitting device and a receiving device that are communicatively connected via a wireless signal. The transmitting device is installed at a designated location, and the receiving device is installed in the space where audio needs to be played.

[0023] The transmitting device is used to wirelessly transmit audio signals. As shown in the appendix Figure 3 As shown in the figure, the transmitting device can be a Wi-Fi signal transmitter 4 and / or a Bluetooth signal transmitter 5. The Wi-Fi signal transmitter 4 has a signal input interface, and the input signal is converted into a Wi-Fi signal by the Wi-Fi signal transmitter 4 and then wirelessly transmitted. The Bluetooth signal transmitter 5 can be a smart terminal equipped with a Bluetooth module, such as a mobile phone, etc., which transmits audio signals through the Bluetooth module. An APP capable of controlling various functions of the receiving device can also be set in the smart terminal, and the control signal is also wirelessly transmitted through the Bluetooth module. As shown in the appendix Figure 4 As shown in the figure, the Wi-Fi signal transmitter 4 can be a network server 6. The network server 6 has multiple network signal input interfaces for connecting devices such as a television, a computer, and a game console. The network server 6 is used to convert the network signal into a Wi-Fi signal and then transmit the Wi-Fi signal to the receiving device.

[0024] The receiving device is used to wirelessly receive audio signals and play sound. The receiving device includes multiple groups of speaker components, and the number of groups of speaker components is selected according to the size of the space. Each group of speaker components includes an active speaker device 7 and multiple passive speaker devices 8. The passive speaker devices 8 are connected in series, and the series-connected multi-stage passive speakers are connected to the active speaker device 7, that is, the first-stage passive speaker device 8 is connected to the active speaker device 7, and the remaining stages of passive speaker devices 8 are all connected to the previous-stage passive speaker device 8.

[0025] The active speaker device 7 includes a signal receiver, a power amplifier circuit, an active speaker, and also includes a housing. The signal receiver is used to wirelessly receive the audio signal sent by the transmitting device, so the signal receiver is a Wi-Fi signal receiver and / or a Bluetooth signal receiver. The power amplifier circuit is used to amplify the power of the audio signal to drive the speaker, and its front end is connected to the signal receiver. The active speaker is used to play sound, and its front end is connected to the power amplifier circuit. The signal receiver and the power amplifier circuit are arranged on an arc-shaped circuit board 9. The housing has an opening, the active speaker is arranged inside the housing, and the front end of the active speaker is embedded in the opening, and the rear end is located inside the housing. The arc-shaped circuit board 9 is also arranged inside the housing, and the arc-shaped circuit board 9 is arranged around the rear end of the active speaker.

[0026] The passive loudspeaker device 8 includes a passive loudspeaker and a housing. The passive loudspeaker for playing sound is connected to a power amplifier circuit or a previous-stage passive loudspeaker device 8, that is, the passive loudspeaker in the first-stage passive loudspeaker device 8 is connected to the power amplifier circuit in the active loudspeaker device 7, and the passive loudspeakers in the remaining stages of passive loudspeaker devices 8 are all connected to the passive loudspeaker in the previous-stage passive loudspeaker device 8. The housing has an opening, the passive loudspeaker is arranged inside the housing, and the front end of the passive loudspeaker is embedded in the opening, and the rear end is located inside the housing.

[0027] It is also possible to communicatively connect each active loudspeaker device 7 in each group of loudspeaker components, that is, to communicatively connect the signal receivers in each active loudspeaker device 7. Then, after the signal receiver in any one active loudspeaker device 7 receives an audio signal, it can send the audio signal to the other active loudspeaker devices 7 to achieve sound playback.

[0028] In the above solution, in each group of loudspeaker components, each passive loudspeaker device 8 and between the first-stage passive loudspeaker device 8 and the active loudspeaker device 7 are all connected by a connecting wire 3. When each active loudspeaker device 7 in each group of loudspeaker components is communicatively connected, each active loudspeaker device 7 in each group of loudspeaker components is also communicatively connected by a connecting wire 3.

[0029] The above active loudspeaker device 7 and passive loudspeaker device 8 are both installed on the top of the space in a ceiling-mounted manner, thereby forming a ceiling-mounted audio system.

[0030] The above wireless audio system can eliminate cumbersome wired connections. With the help of wireless technologies such as Wi-Fi and Bluetooth, the transmitting device transmits the audio signal to the receiving device for decoding through wireless transmission, and then plays it out in the speaker. The application of wireless connection enables users to arbitrarily adjust the positions of various parts of the audio system without worrying about being restricted by cables, bringing a more convenient and flexible experience to users. The communicative connection between each active loudspeaker device 7 in each group of loudspeaker components can achieve high-quality synchronous audio output, better meeting the needs of users.

[0031] The above embodiments are only for explaining the technical concept and features of the present invention, and the purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A wireless sound system, comprising a transmitting device for transmitting an audio signal wirelessly and a receiving device for receiving the audio signal wirelessly and playing the sound, characterized in that: The receiving device includes multiple groups of speaker components; each group of speaker components includes an active speaker device and multiple passive speaker devices, and each passive speaker device is connected in series with the active speaker device; the active speaker device includes a signal receiver for receiving the audio signal wirelessly, a power amplifier circuit connected to the signal receiver, and an active speaker connected to the power amplifier circuit and used for playing sound; the passive speaker device includes a passive speaker connected to the power amplifier circuit or the passive speaker device of the previous stage.

2. The wireless audio system according to claim 1, characterized in that: The active speaker devices in each group of speaker components are connected to each other in communication.

3. The wireless audio system according to claim 1, characterized in that: In each group of the speaker components, the passive speaker devices and the passive speaker devices of the first stage and the active speaker devices are connected via connecting wires.

4. The wireless audio system according to claim 2, characterized in that: The active speaker devices in each group of the speaker components are connected to each other through connecting lines.

5. The wireless audio system according to claim 1, characterized in that: The signal receiver and the power amplifier circuit are arranged on an arc-shaped circuit board, and the arc-shaped circuit board is arranged around the rear end of the active speaker.

6. The wireless audio system according to claim 5, characterized in that: The active speaker device also includes a shell with an opening, the arc-shaped circuit board and the active speaker are both arranged in the shell, and the front end of the active speaker is embedded in the opening.

7. The wireless audio system according to claim 1, characterized in that: The passive sound-speaker device further comprises a housing with an opening, the passive speaker is arranged in the housing, and the front end of the passive speaker is embedded in the opening.

8. The wireless audio system according to claim 1, characterized in that: The active speaker device and the passive speaker device are both installed on the top of the space in a ceiling-mounted manner.

9. The wireless audio system according to any one of claims 1 to 8, characterized in that: The transmitting device includes a Wi-Fi signal transmitter and / or a Bluetooth signal transmitter, and the signal receiver is a Wi-Fi signal receiver and / or a Bluetooth signal receiver.

10. The wireless audio system according to claim 9, characterized in that: The Wi-Fi signal transmitter is a network server having a network signal input interface and used for converting network signals into Wi-Fi signals.

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