CN209882073U - Exempt from to install wireless digital cinema stereo set - Google Patents

Abstract

The utility model discloses an exempt from to install wireless digital cinema stereo set, including the host computer, with the audio amplifier on the host computer, be equipped with the screen panel before the host computer on the host computer, be equipped with the host computer chamber door before the host computer, left channel high pitch loudspeaker L and the leading right channel high pitch loudspeaker R are installed to bilateral symmetry in the host computer, leading left channel low pitch loudspeaker L, leading right channel low pitch loudspeaker R are installed to leading left channel high pitch loudspeaker L in the host computer and leading right channel high pitch loudspeaker R's inboard, put loudspeaker L in the left side, put loudspeaker R in the right side in leading left channel low pitch loudspeaker L, leading right channel low pitch loudspeaker R's the inboard is installed, host computer left foot rest L, host computer right foot rest R are installed to the below symmetry of host computer, host computer central part installation host computer display panel. Compared with the prior art, the utility model the advantage lies in: the complex problem of the user for the installation and allocation of the cinema sound system is solved so as to meet the requirements of modern consumers.

Description

An installation-free wireless digital cinema audio system

technical field

The utility model relates to the technical field of audio equipment, in particular to an installation-free wireless digital cinema audio system.

Background technique

With the development of society, people's living standards are getting higher and higher, and large-screen TVs and projections continue to be used in homes. Correspondingly, home theaters have higher and higher requirements for audio systems, and their applications are becoming wider and wider. With the continuous advancement of technology and the constant changes in market demand, the types and performance of home theater audio system products are also constantly being improved and updated, gradually meeting people's needs for home theater audio. In the early stage of the development of the home theater audio system, it was mainly composed of traditional analog multi-channel media audio, and some of them were equipped with 5.1 power amplifiers and speakers as a combination in the later stage. However, in modern home places, the simple installation and simple operation of the audio system must be the first choice. The integrated analog multi-channel theater audio application uses multi-channel speakers on a row of boxes. The speakers all emit sound in the same direction, which is difficult to reflect the original sound. The sense of orientation of the field is only a simulated sound field; while the multi-channel split system is composed of a power amplifier and multiple speakers, and the general user is confused about the system configuration, wiring and use, and has to be taught by professionals In order to be connected and used correctly; so that the general theater audio system will have the following disadvantages:

1. It is difficult to restore the sound field orientation and sound angle of the analog integrated sound;

2. In the wired multi-channel system, the connection between each speaker and the power amplifier and between the power amplifier and the player is complicated, and the user does not know how to connect and install the wires;

3. The parameters of power amplifier and speaker need to be adjusted in combination, and non-professionals cannot easily call out the best sound effect;

4. An electronic wire needs to be connected between the speaker and the power amplifier. The length of the wire depends on the location of the speaker, and the installation and placement of the wire will affect the appearance of the place.

Utility model content

The technical problem to be solved by the utility model is to solve the complex problem of installation and deployment of the theater audio system by users to meet the needs of modern consumers. The module, as well as the integration of front left/right speakers, dual center speakers and corresponding interfaces, are combined with a wireless receiving subwoofer and two wireless surround receiving boxes to form a modern wireless digital cinema audio system.

In order to solve the above technical problems, the technical solution provided by the utility model is: an installation-free wireless digital cinema audio system, including a main unit and a speaker on the main unit, the main unit is provided with a grille in front of the main unit, and the front of the main unit is provided with The main box door, the front left channel tweeter L and the front right channel tweeter R are installed symmetrically in the main unit, and the front left channel tweeter L and the front right channel tweeter R are installed in the main unit The inner side of the front left channel woofer L and the front right channel woofer R are installed, and the inner side of the front left channel woofer L and the front right channel woofer R of the host is installed with a left center Loudspeaker L, right center speaker R, the left footstand L of the mainframe and the right footstand R of the mainframe are symmetrically installed below the mainframe, a mainframe display board is installed at the center of the mainframe, and a mainframe display is arranged on the outside of the mainframe display board lens, the two sides of the host are provided with a wireless subwoofer box, the wireless subwoofer box is provided with a wireless subwoofer speaker, and one side of the wireless subwoofer box is provided with a wireless subwoofer net cover, so The bottom of the wireless subwoofer cabinet is provided with a wireless subwoofer machine foot, and the wireless subwoofer cabinet is provided with a wireless subwoofer junction box.

The top of the host is symmetrically provided with a surround box, and the surround box is provided with a surround box mid-bass speaker and a surround box tweeter, and the bottom of the surround box is provided with a surround box interface PVC sheet, a surround box power amplifier, etc. The plate fixes the iron sheet and the surrounding box wireless receiving power amplifier board, and the front side of the surrounding box is provided with a surrounding box net cover.

The top of the host is provided with a host power amplifier slot, and a host key bracket is arranged in the host power amplifier slot, and a host key board is installed on the host key bracket, and a host silicone key is arranged on the host key board.

The wireless subwoofer cabinets are arranged symmetrically on both sides of the host, and the surround cabinets are symmetrically arranged on the top of the host.

Compared with the prior art, the utility model has the advantages that a large number of application tests, adjustment tests, correction and evaluation work have been done from the appearance to the internal device arrangement structure and external expansion interface to the core of the internal power amplifier circuit, and it is the first to break through the traditional There are problems with complex installation and operation of cinema sound system:

1. The front and center speakers of the audio system and the decoding power amplifier are designed and integrated on the same bar-shaped structure box, which has complete functions and is easy to operate.

2. The internal circuit of the main audio system is designed with a wireless 5.8G digital audio transmission module, and the surround left, surround right, and subwoofer channels in the 5.1 channel are played through wireless connections.

3. The A51 wireless receiving speaker has a built-in high-fidelity power amplifier, and there is no need to connect wires with the host. It can be installed anywhere within 20 meters in the same space.

Description of drawings

Fig. 1 is an explosion diagram of an installation-free wireless digital cinema audio system of the present invention.

Fig. 2 is a structural schematic diagram of an installation-free wireless digital cinema audio system of the present invention.

Fig. 3 is a reference diagram of the background technology of an installation-free wireless digital cinema audio system of the present invention.

Fig. 4 is a system architecture diagram of an installation-free wireless digital cinema audio system of the present invention.

Fig. 5 is a wiring diagram of an installation-free wireless digital cinema audio system of the present invention.

As shown in the figure: 1. The front grille of the host, 2L, the front left channel tweeter, 2R, the front right channel tweeter, 3L, the front left channel woofer, 3R, the front right channel bass Speaker, 4L, left center speaker, 4R, right center speaker, 5L, main unit left stand, 5R, main unit right stand, 6. main unit box door, 7. main unit display lens, 8. main unit display board, 9, Wireless subwoofer net cover, 10. Wireless subwoofer speaker, 11. Wireless subwoofer machine foot, 12. Wireless subwoofer cabinet, 13. Wireless subwoofer junction box, 14. Surround box interface PVC sheet, 15. Surround box power amplifier Plate fixing iron sheet, 16. Surround box wireless receiving power amplifier board, 17. Surround box tweeter, 18. Surround box mid-bass speaker, 19. Surround box wall bracket, 20. Surround box body, 21. Surround box net cover, 22. Mainframe power amplifier board bracket back plate, 23. Mainframe power amplifier slot, 24. Mainframe silicone button, 25. Mainframe key bracket, 26. Mainframe key board.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

In conjunction with the accompanying drawings, an installation-free wireless digital cinema audio system includes a main unit and a sound box on the main unit. The front left channel tweeter 2L and the front right channel tweeter 2R are symmetrically installed in the host, and the front left channel tweeter 2L and the front right channel tweeter 2R are installed inside the host. Set left channel subwoofer 3L, front right channel subwoofer 3R, the inside of the front left channel subwoofer 3L, front right channel subwoofer 3R in the host is installed with a left middle speaker 4L, a right middle speaker Speaker 4R is installed, the left foot frame 5L of the main frame and the right foot frame 5R of the main frame are symmetrically installed on the bottom of the main frame. Both sides of the main frame are provided with a wireless subwoofer cabinet 12, the wireless subwoofer cabinet 12 is provided with a wireless subwoofer speaker 10, and one side of the wireless subwoofer cabinet 12 is provided with a wireless subwoofer net cover 9. The wireless subwoofer cabinet 12 is provided with a wireless subwoofer machine foot 11 , and the wireless subwoofer cabinet 12 is provided with a wireless subwoofer junction box 13 .

The top of the host is symmetrically provided with a surround box 20, the surround box 20 is provided with a surround box mid-woofer 18 and a surround box tweeter 17, and the bottom of the surround box 20 is provided with a surround box interface PVC Sheet 14, surrounding box power amplifier board fixing iron sheet 15 and surrounding box wireless receiving power amplifier board 16, the front side of the surrounding box body 20 is provided with a surrounding box net cover 21.

The top of the host is provided with a host power amplifier groove 23, and a host button bracket 25 is arranged in the host power amplifier slot 23, and a host button panel 26 is installed on the host button bracket 25, and a host button panel 26 is provided with a host silica gel. Button 24.

The wireless subwoofer cabinet 12 is arranged symmetrically on both sides of the host, and the surrounding box 20 is symmetrically arranged on the top of the host.

When the utility model is actually implemented, it supports multi-channel digital audio signal input, integrates a pre-decoder processor, a power amplifier, and wireless audio transmission into one body, is convenient for installation and operation, and is beautiful, simple, and convenient for installation. The host, surround box and subwoofer audio are wirelessly connected, and the wireless speakers can be installed anywhere within 20 meters, eliminating the trouble of wiring; solving the troubles of cumbersome spider-web wiring and bulky equipment that cannot be placed in traditional professional karaoke systems. Dual center channel design, independent center speakers are designed on the left and right sides of the main unit, and the two speakers are driven by independent power amplifier chips to enhance the sound pressure of the center channel, making the human voice of 5.1-channel movies richer and clearer. Audio signals from TVs, projectors, set-top boxes, and mobile phones are input to the JY AUDIOA51 host, and the built-in decoder of the host decodes 5.1-channel signals. Push the host left channel speaker, left/right center speaker, right channel speaker, surround left, surround right, and subwoofer channel audio are sent wirelessly through the built-in 5.8G module, the wireless receiving speaker has a built-in 5.8G receiving module, and the received signal is resolved After the audio is output, the built-in power amplifier drives the surround left speaker, surround right speaker, and subwoofer speaker to form an integrated wireless digital cinema audio.

The working principle of the utility model: use the CS8416 chip to demodulate the optical fiber and coaxial signal of the player into an SPDIF signal, and the AP8048 chip to process the external audio/Bluetooth audio into an I2S digital audio signal and mix it with the CS495303 chip to decode it into a 5.1-channel digital signal. The STA350 power amplifier chip drives the speaker and is designed as an integrated decoding power amplifier host.

Applying the principle that one channel of I2S digital audio data can decode two channels of analog audio, load the two channels of digital audio on a 5.8G carrier frequency for wireless transmission, and the receiving end can simultaneously decode 4-channel audio, realizing digital high-fidelity transmission and multi-receipt Wireless audio transmission; load the surround left/right channel and subwoofer channel signals to the 5.8G digital audio transmitter module to realize wireless connection and playback of the surround channel and subwoofer channel.

The utility model and its implementation have been described above. This description is not restrictive. What is shown in the drawings is only one implementation of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a design method and embodiment similar to the technical solution, it shall belong to the protection of the utility model scope.

Claims (4)

1. The utility model provides an exempt from to install wireless digital cinema stereo set, including the host computer, with the audio amplifier on the host computer, its characterized in that: the multifunctional loudspeaker is characterized in that a host front mesh enclosure (1) is arranged on the host, a host door (6) is arranged in front of the host, a front left channel high pitch loudspeaker (2L) and a front right channel high pitch loudspeaker (2R) are symmetrically arranged in the host, a front left channel bass loudspeaker (3L) and a front right channel bass loudspeaker (3R) are arranged on the inner sides of the front left channel high pitch loudspeaker (2L) and the front right channel high pitch loudspeaker (2R) in the host, a left middle loudspeaker (4L) and a right middle loudspeaker (4R) are arranged on the inner sides of the front left channel bass loudspeaker (3L) and the front right channel bass loudspeaker (3R) in the host, a host left foot stand (5L) and a host right foot stand (5R) are symmetrically arranged below the host, a host central part is provided with a host display panel (8), and a host display lens (7) is arranged on the outer side of the host display panel (, the both sides of host computer are equipped with wireless bass box (12), be equipped with wireless bass box speaker (10) in wireless bass box (12), one side of wireless bass box (12) is equipped with wireless bass box screen panel (9), the below of wireless bass box (12) is equipped with wireless bass box machine foot (11), wireless bass box (12) are equipped with wireless bass box terminal box (13).

2. The installation-free wireless digital cinema sound box according to claim 1, characterized in that: the top symmetry of host computer is equipped with and encircles box (20), it encircles box woofer (18) and encircles box tweeter (17) to be equipped with in box (20) to encircle, the bottom that encircles box (20) once is equipped with and encircles case interface PVC piece (14), encircles fixed iron sheet of case merit amplifier plate (15) and encircles case wireless reception merit amplifier plate (16), it is equipped with and encircles case screen panel (21) to encircle box (20) front side.

3. The installation-free wireless digital cinema sound box according to claim 1, characterized in that: the top of host computer is equipped with host computer power amplifier groove (23), be equipped with host computer key support (25) in host computer power amplifier groove (23), install host computer keypad (26) on host computer key support (25), be equipped with host computer silica gel button (24) on host computer keypad (26).

4. The installation-free wireless digital cinema sound box according to claim 2, characterized in that: the wireless bass box body (12) is symmetrically arranged on two sides of the host, and the surrounding box body (20) is symmetrically arranged on the top of the host.