Combined audio-video all-in-one machine

Abstract

The utility model discloses a combined audio-video all-in-one machine, and relates to the field of combined audio-video all-in-one machines. The combined audio-video all-in-one machine comprises an instrument shell, a projector is installed in the instrument shell, a lens is arranged at the end of the projector, and the end of the lens penetrates through the front face of the instrument shell and extends outwards; a main sound box is embedded in the front face of the instrument shell, an auxiliary sound box is arranged on the side face of the instrument shell, a mounting base is fixedly embedded in the side face of the instrument shell, and the auxiliary sound box is movably inserted into the inner wall of the mounting base. According to the combined audio-video all-in-one machine, in the using process, the main loudspeaker box and the auxiliary loudspeaker boxes are embedded in the front face and the two sides of the instrument shell, the auxiliary loudspeaker boxes on the two sides of the instrument shell are taken down and placed on the two sides of a viewer, and transmission of left and right sound channels on the two sides can be achieved; and the main sound box in the middle is matched, so that a surrounding type three-dimensional sound effect can be achieved, and the use feeling of the combined audio-video all-in-one machine is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of combined audio - video integrated machines, and specifically relates to a combined audio - video integrated machine. Background Technique

[0002] An audio - video integrated machine is a device that can project images or videos onto a screen or wall, and is widely used in fields such as home entertainment, business presentations, education and training, etc.

[0003] During the use of the existing audio - video integrated machines, in order to facilitate the transmission of sound, speakers are installed inside them. The speakers can be used to transmit sound. However, since the speakers are integrated inside the audio - video integrated machine, the sound will be transmitted in a single direction, making it difficult to achieve an immersive sense of space. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the utility model provides a combined audio - video integrated machine, which solves the problem that when the speakers are integrated inside the audio - video integrated machine, the sound will be transmitted in a single direction, making it difficult to achieve an immersive sense of space.

[0005] To achieve the above - mentioned purposes, the utility model is realized through the following technical solutions: A combined audio - video integrated machine includes an instrument housing. A projector is installed inside the instrument housing, and a lens is provided at the end of the projector. The end of the lens passes through the front of the instrument housing and extends outward;

[0006] The front of the instrument housing is inlaid with a main speaker, and the side of the instrument housing is provided with a sub - speaker. The side of the instrument housing is fixedly inlaid with a mounting seat, and the sub - speaker is movably inserted into the inner wall of the mounting seat.

[0007] Preferably, a circuit board is fixedly installed at the end of the mounting seat inside the instrument housing, and an elastic ejector pin is electrically connected to one side of the circuit board. A contact is provided at the end of the sub - speaker, and the end of the elastic ejector pin extends into the interior of the mounting seat and is in close contact with the contact.

[0008] Preferably, an electromagnetic emitter is provided inside the mounting seat, and an electromagnetic receiver is provided inside the sub - speaker. The electromagnetic emitter and the electromagnetic receiver cooperate to wirelessly charge the sub - speaker.

[0009] Preferably, the projector is connected to a projection main board, the main speaker is connected to a power amplifier main board. Audio signals are communicated and transmitted between the projection main board and the power amplifier main board, and signals are wirelessly transmitted between the main speaker and the sub - speaker through the 2.4G wireless frequency band.

[0010] Preferably, the main speaker and the sub - speaker can be signal - connected through Bluetooth.

[0011] Preferably, the main speaker is equipped with a DSP module, and the DSP module modulates the curve by adjusting the frequency response of the audio signal.

[0012] Preferably, it includes a remote control, and the remote control is communicatively connected to the projector, and / or the main speaker, and / or the subwoofer.

[0013] Preferably, it includes a subwoofer, and the subwoofer is wirelessly connected to the projector and / or the main speaker.

[0014] Preferably, it includes a microphone, and the microphone is wirelessly connected to the main speaker and / or the subwoofer.

[0015] The utility model discloses a combined audio-visual integrated machine, and the beneficial effects thereof are as follows:

[0016] During the use of this combined audio-visual integrated machine, the main speaker and the subwoofer are embedded in the front and both sides of the instrument shell. By removing the subwoofers on both sides and placing them on both sides of the viewer, the left and right channels can be transmitted on both sides, and combined with the main speaker in the middle, a surround stereo sound effect can be achieved, greatly improving the usage experience of the combined audio-visual integrated machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the present utility model;

[0019] Figure 2 It is a partial structural cross-sectional view of the present utility model;

[0020] Figure 3 It is a schematic structural diagram of the mounting seat of the present utility model;

[0021] Figure 4 It is a schematic structural diagram of the subwoofer of the present utility model.

[0022] In the figure: 1, instrument shell; 11, projector; 12, lens; 13, main speaker; 14, subwoofer; 141, contact; 2, mounting seat; 21, circuit board; 22, elastic ejector pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific embodiments.

[0024] An embodiment of the utility model discloses a combined audio-visual integrated machine. As shown in the attached Figures 1-4 figures, it includes an instrument housing 1. A projector 11 is installed inside the instrument housing 1, and a lens 12 is provided at the end of the projector 11. The end of the lens 12 passes through the front of the instrument housing 1 and extends outward.

[0025] A main speaker 13 is embedded in the front of the instrument housing 1, and a sub-speaker 14 is provided on the side of the instrument housing 1. An installation seat 2 is fixedly embedded on the side of the instrument housing 1, and the sub-speaker 14 is movably inserted into the inner wall of the installation seat 2.

[0026] During use, the main speaker 13 and the sub-speaker 14 are embedded in the front and both sides of the instrument housing 1. The sub-speakers 14 on both sides are removed and placed on both sides of the viewer, so that the left and right channels can be transmitted on both sides, and in cooperation with the main speaker 13 in the middle, a surround stereo sound effect can be achieved, greatly improving the use experience of the combined audio-visual integrated machine.

[0027] Specifically disclosed, a circuit board 21 is fixedly installed at the end of the installation seat 2 inside the instrument housing 1, and an elastic ejector pin 22 is electrically connected to one side of the circuit board 21. A contact 141 is provided at the end of the sub-speaker 14, and the end of the elastic ejector pin 22 extends into the interior of the installation seat 2 and is in close contact with the contact 141.

[0028] During use, when the sub-speaker 14 is inserted into the interior of the installation seat 2, the end of the elastic ejector pin 22 extends into the interior of the installation seat 2 and is in close contact with the contact 141, so as to automatically charge the internal power supply of the sub-speaker 14.

[0029] Specifically disclosed, an electromagnetic transmitter is provided inside the installation seat 2, and an electromagnetic receiver is provided inside the sub-speaker 14. The electromagnetic transmitter cooperates with the electromagnetic receiver to wirelessly charge the sub-speaker 14.

[0030] When an electromagnetic transmitter is provided inside the installation seat 2 and an electromagnetic receiver is provided inside the sub-speaker 14, when the sub-speaker 14 is inserted into the interior of the installation seat 2, the electromagnetic transmitter cooperates with the electromagnetic receiver to wirelessly charge the sub-speaker 14.

[0031] Specifically disclosed, the projector 11 is connected to a projection main board, the main speaker 13 is connected to a power amplifier main board, audio signals are communicated and transmitted between the projection main board and the power amplifier main board, and signals are wirelessly transmitted between the main speaker 13 and the sub-speaker 14 through the 2.4G wireless frequency band.

[0032] Furthermore, the main speaker 13 and the secondary speakers 14 can be signal-connected via Bluetooth. After the projector 11 is turned off, the main speaker 13 and the secondary speakers 14 can be used independently via Bluetooth, and the two secondary speakers 14 can be used in TWS mode.

[0033] Furthermore, the main speaker 13 is equipped with a DSP module, and the DSP module modulates the curve by adjusting the frequency response of the audio signal.

[0034] The DSP module modulates the curve by adjusting the frequency response of the audio signal, and can modulate different audio curves for the main speaker 13 and the secondary speakers 14. The audio curves include, but are not limited to, the KTV mode and the cinema mode. The cinema mode focuses more on bass. During the modulation process, the cinema mode and the KTV mode of the combined audio and video integrated machine use a single IO port communication method for data transmission. The mode bit: 0 is the movie mode, 1 is the KTV mode. When it is necessary to send the KTV mode mute, the sent bit data is: 0011. When it is necessary to send the movie mode non-mute, the sent bit data is: 0000 to achieve the above functions.

[0035] Furthermore, it includes a remote control, which is communicatively connected to the projector 11, and / or the main speaker 13, and / or the secondary speakers 14. The projector 11, the main speaker 13 and the secondary speakers 14 can be turned on and off using the remote control.

[0036] Furthermore, it includes a subwoofer, which is wirelessly connected to the projector 11 and / or the main speaker 13. The subwoofer component can enhance the output of the low-frequency band of the main speaker 13 and the secondary speakers 14.

[0037] Furthermore, it includes a microphone, which is wirelessly connected to the main speaker 13 and / or the secondary speakers 14. With the set microphone, sound can be transmitted through the main speaker 13 and the secondary speakers 14.

[0038] During use, when the secondary speaker 14 is inserted into the interior of the mounting base 2, the end of the elastic ejector pin 22 extends towards the interior of the mounting base 2 and closely fits with the contact 141, so as to automatically charge the internal power supply of the secondary speaker 14. After the projector 11 is turned off, the main speaker 13 and the secondary speakers 14 can be used independently via Bluetooth, and the two secondary speakers 14 can be used in TWS mode. The DSP module modulates the curve by adjusting the frequency response of the audio signal, and can modulate different audio curves for the main speaker 13 and the secondary speakers 14. The audio curves include, but are not limited to, the KTV mode and the cinema mode. The cinema mode focuses more on bass.

[0039] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A combined audio and video integrated machine, comprising an instrument housing (1), characterized in that, Inside the instrument housing (1), a projector (11) is installed, and a lens (12) is provided at the end of the projector (11). The end of the lens (12) passes through the front of the instrument housing (1) and extends outward. A main speaker (13) is embedded in the front of the instrument housing (1), and a sub - speaker (14) is provided on the side of the instrument housing (1). A mounting seat (2) is fixedly embedded on the side of the instrument housing (1), and the sub - speaker (14) is movably inserted into the inner wall of the mounting seat (2).

2. The combined audio and video integrated machine according to claim 1, characterized in that, A circuit board (21) is fixedly installed at the end of the mounting seat (2) inside the instrument housing (1). An elastic ejector pin (22) is electrically connected to one side of the circuit board (21). A contact (141) is provided at the end of the sub - speaker (14), and the end of the elastic ejector pin (22) extends into the interior of the mounting seat (2) and is in close contact with the contact (141).

3. The combined audio and video integrated machine according to claim 1, characterized in that An electromagnetic transmitter is provided inside the mounting seat (2), and an electromagnetic receiver is provided inside the sub - speaker (14). The electromagnetic transmitter cooperates with the electromagnetic receiver to wirelessly charge the sub - speaker (14).

4. A combined audio and video integrated machine according to claim 1, characterized in that, The projector (11) is connected to a projection main board, and the main speaker (13) is connected to a power amplifier main board. Audio signals are communicated and transmitted between the projection main board and the power amplifier main board, and signals are wirelessly transmitted between the main speaker (13) and the sub - speaker (14) through the 2.4G wireless frequency band.

5. The combined audio and video integrated machine according to claim 1, wherein The main speaker (13) and the sub - speaker (14) can be signal - connected via Bluetooth.

6. The combined audio and video integrated machine according to claim 1, wherein, The main speaker (13) is equipped with a DSP module.

7. A combined audio and video integrated machine according to claim 1, characterized in that, Including a remote control, the remote control is communicatively connected to the projector (11), and / or the main speaker (13), and / or the sub - speaker (14).

8. A combined audio and video integrated machine according to claim 1, characterized in that Including a subwoofer, the subwoofer is wirelessly connected to the projector (11) and / or the main speaker (13).

9. A combined audio and video integrated machine according to claim 1, characterized in that Including a microphone, the microphone is wirelessly connected to the main speaker (13) and / or the sub - speaker (14).

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