CN111491241A - Active digital ultrathin surface sound source device - Google Patents

Abstract

An active digital ultra-thin surface sound source device, comprising a device base and a vibration generating diaphragm, characterized in that a wireless receiver, a controller, a power amplifier, a driver, and a sound-emitting vibration diaphragm are arranged in the device base, and the driver Paste it on the sound-emitting diaphragm. The active digital ultra-thin surface sound source device has a reasonable structure design and effectively saves costs. It adopts the design of assembling a controller and a power amplifier in the surface sound source device, which saves the cumbersome process of externally connecting the power amplifier module and saves power. The installation cost and material cost of the transmission cable, and its integrated module design effectively improves the compact assembly structure of the surface sound source device, and the sound production effect is improved.

Description

Active digital ultra-thin surface sound source device

technical field

The invention belongs to the ultra-thin surface sound source technology, in particular to an active digital ultra-thin surface sound source device.

Background technique

The surface sound source device is a plane sound device that can convert electrical signals into sound waves. It is widely used in home theater systems, background music systems, multimedia sound systems, and public broadcasting systems. In the prior art, surface sound source devices generally use several drivers to drive a vibrating plate to produce sound, and they are all passive surface sound sources, that is, a separate power amplifier is externally connected to drive the driver to produce sound based on the principle of ordinary speakers. Because the signal room of the public broadcasting equipment is generally far away from the speaker device, the required transmission cable cost is high, the installation and maintenance are very complicated, and the power loss on the line is also large, which greatly reduces the system efficiency.

SUMMARY OF THE INVENTION

The invention provides an active digital ultra-thin surface sound source device with reasonable structure design and effective cost saving, which adopts the design of assembling a controller and a power amplifier in the surface sound source device, and saves the tediousness of externally connecting the power amplifier module. The process saves the installation cost and material cost of the power transmission cable, and at the same time, its integrated module design effectively improves the compact assembly structure of the surface sound source device, and the sound generation effect is improved.

The technical scheme adopted in the present invention is as follows:

An active digital ultra-thin surface sound source device, comprising a device base and a vibration-generating diaphragm, characterized in that a wireless receiver, a controller, a power amplifier, a driver, and a sound-emitting vibration diaphragm are arranged in the device base, and the driver Paste it on the sound-emitting diaphragm.

Specifically, a U-shaped bracket is arranged in the base of the device, and sound-emitting vibration diaphragms are arranged on both sides of the U-shaped bracket, and a bracket is arranged on one end of the sound-emitting vibration membrane plate, and the driver is fixed on the bracket.

An integrated module is fixed inside the U-shaped bracket, and the integrated module is an integrated module in which the controller and the power amplifier are integrated on a circuit board.

The integrated module is an integrated module in which the wireless receiver, the controller and the power amplifier are integrated on a circuit board.

The base of the device is a flat box-shaped casing, and one end surface of the device is provided with an end cover that is fastened and fixed.

A power module embedding portion is arranged on the side wall of the device base, the power module is fixed on a clip and located in the power module embedding portion, and the clip is fixed to the side wall of the device base.

The base of the device is an integrally bent and welded metal profile structure, or the base of the device is of a polymer material or a wood material structure.

The outer side of the base body of the device is provided with a hanger member for integrally fixed arrangement.

In the active digital ultra-thin surface sound source device, the controller and the power amplifier are placed inside the device base, and the outside can be accessed by various communication methods, so that the driver drives the sound-emitting vibrating diaphragm to realize the sound-emitting function. In practical applications, the controller and the power amplifier can be assembled by means of circuit board integration, and the wireless receiver, the controller and the power amplifier can be integrated on a circuit board, and the circuit board is installed and fixed on the U of the device base. on the bracket. The U-shaped bracket can be located in the middle, and the sound-emitting vibrating diaphragms are respectively arranged on both sides of the U-shaped bracket. Generally, the driver also needs to be fixed and distributed through the bracket, so that the position of the driver is relatively fixed with the sound-emitting vibration diaphragm, and the bracket provides stable support. The active digital ultra-thin surface sound source device is also configured with a power supply module, and the power supply module provides the power supply of the surface sound source device, so as to realize the independence and mobility of the surface sound source device.

The entire active digital ultra-thin surface sound source device can be a flat rectangular or rounded rectangular structure. Hanging mechanism or accessories realize convenient and flexible installation.

The beneficial effect of the present invention is that the structure design of the active digital ultra-thin surface sound source device is reasonable, and the cost is effectively saved. The tedious process saves the installation cost and material cost of the power transmission cable. At the same time, its integrated modular design effectively improves the compact assembly structure of the surface sound source device, and the sound production effect is improved.

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

Description of drawings

1 is a schematic diagram of an internal structure in a specific embodiment of the present invention;

Fig. 2 is the enlarged structural representation of position A in Fig. 1;

FIG. 3 is a schematic view of the inner side structure of the end cap in the specific embodiment of the present invention.

Detailed ways

As shown in Figure 1, Figure 2 and Figure 3, the active digital ultra-thin surface sound source device has a flat rounded rectangular structure, and its shell is fixed by the device base 10 and the buckle provided on one end surface of the device. The end cap 20 consists of. The base body of the device is an integral bending and welding forming structure of metal profiles, and one end surface thereof forms the end surface of the sound source of the ultra-thin surface sound source device. The base of the device is provided with a wireless receiver, a controller, a power amplifier, a driver and a sound-emitting diaphragm to form the basic drive system of the sound source device, and the plurality of drivers 13 are pasted on the sound-emitting diaphragm (not shown in the figure), A bracket 12 is provided on one end surface of the sound-emitting vibration diaphragm, and the driver 13 is fixed on the bracket. A U-shaped bracket 11 is arranged in the base of the device. The U-shaped bracket 11 is arranged in the middle of the device base, and sound-emitting vibrating membrane plates are respectively arranged on both sides of the U-shaped bracket. As shown in Figure 3, an integrated module 15 is fixed inside the U-shaped bracket. In practical applications , the integrated module can be assembled on the end cover 20 . The integrated module is an integrated module in which the wireless receiver, the controller and the power amplifier are integrated on a circuit board. A power module embedding portion 16 is also provided on the inner side wall of the device base. The power module 17 is fixed on a clip 18 and located in the power module embedding portion. The clip is fixed to the side wall of the device base. The outer side of the device base is provided with a hanger member 14 for integrally fixed installation.

The active digital ultra-thin surface sound source device integrates a controller and a power amplifier inside the surface sound source device, and the outside can be accessed by optical cable, audio small signal access, or wirelessly receiving Wifi to realize the signal input function. It can be widely used in home theater system, KTV high-power flat panel audio, public broadcasting system, multimedia computer audio, charging Bluetooth wireless panel audio, charging card radio panel audio system, etc.

Claims (8)

1. The utility model provides an ultra-thin face sound source device of active digit, includes that device base member and vibration take place the diaphragm plate, its characterized in that set up wireless receiver, controller, power amplifier, driver, sound production vibrating diaphragm plate in the device base member, the driver is pasted on the sound production vibrating diaphragm plate.

2. The active digital ultrathin surface sound source device as claimed in claim 1, wherein a U-shaped support is arranged in the device base body, sound production vibration diaphragm plates are arranged on two sides of the U-shaped support, a support is arranged on one end face of each sound production vibration diaphragm plate, and the driver is fixed on the support.

3. The active digital ultra-thin surface sound source device as claimed in claim 2, wherein an integrated module is fixed inside the U-shaped bracket, and the integrated module is an integrated module in which the controller and the power amplifier are integrated on a circuit board.

4. The active digital ultra-thin surface acoustic source device according to claim 3, wherein said integrated module is an integrated module in which the wireless receiver, the controller and the power amplifier are integrated on a circuit board.

5. The active digital ultra-thin surface acoustic source device as claimed in claim 1, wherein said device base is a flat box-like housing having an end cap on one end thereof for snap-fitting.

6. The active digital ultra-thin surface sound source device as claimed in claim 1, wherein a power module fitting portion is provided on a side wall of the device base, the power module is fixed to a clip member and is located in the power module fitting portion, and the clip member is fixed to the side wall of the device base.

7. The active digital ultra-thin surface sound source device according to claim 1, wherein the device substrate is a metal profile integrally bent and welded structure, or the device substrate is a polymer material or wood material structure.

8. The active digital ultra-thin surface sound source device as claimed in claim 1, wherein a hanging means for integral fixing is provided on an outer side of the device base body.

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