CN110519673B - Flat module audio - Google Patents

Abstract

The present invention discloses a planar module audio system, which comprises: a planar installation area, which is divided into a plurality of installation blocks, and a first connecting device is respectively arranged in each of the installation blocks; a plurality of audio modules, which can be selectively arranged in the plurality of installation blocks, and a second connecting device is respectively arranged in the plurality of audio modules for interconnecting with the first connecting device; a control host, which is connected to the first connecting devices in the plurality of installation blocks through connecting wires; when the plurality of audio modules are installed on the plurality of installation blocks, the first connecting device on each installation block and the second connecting device on the audio module are electrically connected to connect the plurality of audio modules to the control host.

Description

Flat module audio

technical field

The invention relates to a plane modular sound, in particular to a plane modular sound that can be assembled on plane structures such as indoor walls, ceilings and even floors.

Background technique

Most of the existing audio systems are composed of a sound source device, an amplifier and a number of different speakers, and the amplifier and speakers are designed as box structures, so they can only be set up in the indoor space independently, and cannot be integrated into the indoor wall, In flat installation areas such as ceilings or floors.

Some existing audio systems use flat speakers. However, due to the limitation of sound-generating components or monomers, the existing flat-panel speakers have problems that the audio frequency range is too small and the sound production efficiency is poor.

In order to create a stereo sound effect or a surround sound effect, the audio system must output sound signals of different channels from multiple different speakers, so as to create a sound field with a three-dimensional presence. However, the control host of the existing audio system and each speaker must be connected by wires, so when assembling the audio system, the signal transmission lines between each speaker and the control host must be connected one by one, thus causing difficulty in the assembly process.

Due to the above reasons, various inconveniences are caused in the use of the existing flat-panel audio system. Therefore, how to solve the aforementioned problems through structural improvement has become one of the important issues to be solved by this project.

SUMMARY OF THE INVENTION

An embodiment of the present invention provides a plane modular audio system, which includes: a plane installation area, the plane installation area is divided into a plurality of installation blocks, each of the installation blocks is respectively provided with a first connection device; a plurality of an audio module, a plurality of the audio modules can be selectively installed in a plurality of installation blocks in the plane installation area, and a plurality of the audio modules are corresponding to the first connection of each of the installation blocks A second connection device is respectively set at the position of the device. When a plurality of the audio modules are installed in a plurality of the installation blocks, the second connection device can be connected with the first connection on the installation block. The devices are connected to each other; a control host, the control host is connected with a plurality of the first connection devices in the plurality of installation blocks through connecting wires, when a plurality of the audio modules are installed in a plurality of the installation areas When installed on the block, the first connection device on each of the installation blocks and the second connection device on the audio module are electrically connected, so that a plurality of the audio modules and the control The host is connected, and the control host can output a plurality of sound signals corresponding to the plurality of sound modules, transmit the plurality of sound signals to the plurality of sound modules respectively, and output the sound signals through the sound modules .

A preferred embodiment of the present invention, wherein the first connection device and the second connection device have at least one set of audio contacts, so that the audio signal output by the control host can be conducted to the audio through the audio contacts module; the first connection device and the second connection device respectively also have a plurality of signal contacts for transmitting an operation parameter of the audio module to the control host, and the control host according to each of the The operating parameters of the sound modules adjust the sound signal output to each of the sound modules.

In a preferred embodiment of the present invention, a part of the plurality of the signal contacts on the second connection device is an open-circuit state contact, and the other part of the plurality of the signal contacts is an on-state contact, and the second The connection device obtains a variety of different signal contact combinations by arranging a plurality of the signal contacts as the on-state contacts or the open-circuit contacts, and each group of different combinations of the signal contacts is Represents a set of corresponding operating parameters.

In a preferred embodiment of the present invention, the operating parameters of a plurality of the audio modules include at least an audio characteristic of each of the audio modules.

In a preferred embodiment of the present invention, each of the audio modules has a flat frame body and a sound-emitting unit respectively, wherein the flat frame body has opposite front and rear sides, and the rear side can abut against the a plane installation area, and the sound-emitting unit is arranged on the front side; the shape and size of the plane frame are matched with the shapes and sizes of a plurality of the installation blocks in the plane installation area, so that a plurality of all The plane frame bodies can be respectively installed on each installation block.

In a preferred embodiment of the present invention, the shape and size of the planar frame bodies of a plurality of the audio modules respectively have opposite front and rear sides, and the rear side of the planar frame body can abut against each of the On the installation block, the sound-emitting unit is arranged on the front side of the plane frame body, and the second connecting device is arranged on the rear side of the plane frame body.

In a preferred embodiment of the present invention, the sound-generating unit has one or a combination of a thin-film sound-generating component, an electrostatic sound-generating component, and a moving coil sound-generating unit.

In a preferred embodiment of the present invention, the thin-film sound-emitting component includes: a thin-film substrate, the thin-film substrate has opposite upper and lower sides, and the upper and lower sides of the thin-film substrate can respectively define at least one working area; two conductive layers, the two conductive layers are respectively disposed on the upper side and the lower side of the film substrate, and at least cover the upper side of the film substrate located in at least one of the working areas The side surface and the lower side surface; two conductive strips, the two conductive strips are respectively arranged on the two opposite sides of the film substrate; the two conductive strips are opposite to each other and are respectively arranged on the edge of at least one of the working areas. The side edge of the film substrate; and two conductive components, the two conductive components are respectively arranged on one side of the two conductive strips opposite to the film substrate, and the two conductive components are corresponding to the two conductive strips. and cover and contact one side of the two conductive strips opposite to the film substrate; the two conductive components are respectively electrically connected with an audio source signal.

In a preferred embodiment of the present invention, the thin-film sound-generating component is disposed flat on the front side of the plane frame.

In a preferred embodiment of the present invention, the film substrate is a polyvinylidene fluoride (PVDF) film, and the two conductive layers are metal films or metal oxide films.

In a preferred embodiment of the present invention, the two conductive strips are conductive adhesives, or metal conductor layers disposed on the surfaces of the two conductive layers by electroplating.

A preferred embodiment of the present invention further includes a frame structure, the frame structure is disposed at the position of the film substrate at the edge of the working area, and the frame structure includes: a lower frame and an upper frame The upper frame body and the lower frame body are oppositely arranged on the upper side and the lower side of the edge position of the film base material working area, and are relatively sandwiched between the upper side and the lower side of the film base material. This fixes the film substrate; wherein the side of the lower frame facing the film substrate has a top surface, the center of the top surface has a slot, and the upper frame faces the film substrate. One side has a bottom surface, and the bottom surface has an engaging flange corresponding to the card slot. When the upper frame body and the lower frame body are relatively clamped, the engaging flange can be engaged with the into the card slot, and squeeze the film base material corresponding to the engaging flange and the material at the position of the card slot into the card slot, so that the film substrate corresponds to the card slot. The material at the position of the flange and the card groove forms a concave-convex shape corresponding to the engaging flange and the card groove.

In a preferred embodiment of the present invention, a plurality of functional modules can be selectively arranged among a plurality of the installation blocks in the plane installation area, and each of the functional modules has a plane frame, and each of the functional modules has a plane frame. The shape and size of the plane frame body of the functional module are matched with the shape and size of each of the installation blocks, and can be installed in the plane installation area together with the plane frame bodies of a plurality of the audio modules in a plurality of said installation blocks.

For a further understanding of the features and technical content of the present invention, please refer to the following detailed description of the present invention and the accompanying drawings, however, the accompanying drawings are only for reference and description, and are not intended to limit the present invention.

Description of drawings

FIG. 1 is a schematic plan view of the combination of the planar module acoustics of the present invention.

FIG. 2 is a schematic block diagram of the system of the flat module audio system of the present invention.

FIG. 3 is a partial perspective exploded view of a specific embodiment of the planar module speaker of the present invention.

FIGS. 3A and 3B are partially enlarged perspective views taken from portions III A and III B of FIG. 3 , respectively.

FIG. 4 is a perspective view of the audio module used in the planar module audio of the present invention, taken from the back.

FIG. 5 is a block diagram of the circuit system of the control host and the audio module used in the plane module audio of the present invention.

FIG. 6 is a side sectional view of an audio module used in the flat module audio of the present invention.

FIG. 7 is a schematic cross-sectional structural diagram of a thin-film sound-generating component used in the planar module acoustics of the present invention.

FIG. 8 is a schematic diagram of a three-dimensional exploded structure of a thin-film sound-generating component used in the planar module acoustics of the present invention.

FIG. 9 is a schematic cross-sectional structural diagram of another specific embodiment of the thin-film sound-generating component used in the planar module acoustics of the present invention.

FIG. 10 is a schematic diagram showing the structure of the connection terminal pins of the first connection device and the second connection device used in the flat module audio of the present invention.

FIG. 11 is a partially enlarged perspective view of an embodiment in which a plurality of signal contacts of the second connection device are arranged as open-circuit contacts in the planar module speaker according to the present invention.

FIG. 12 is a schematic diagram of the operation flow of the control host of the flat module audio according to the present invention to plan the audio signals output to different audio modules.

Detailed ways

As shown in FIG. 1 to FIG. 3 , the flat module audio 1 of the present invention includes a flat installation area 10 , a plurality of audio modules 30 , and a control host 20 . A plurality of the audio modules 30 are respectively installed on the plane installation area 10, each plane installation area 10 has a plurality of installation blocks 11, and each installation block 11 is respectively provided with a first connection device 12, And the first connecting device 12 is connected with the control host 20 through the connecting wire 25. When the audio module 30 is installed on each installation block 11, it can be connected with the first connecting device 12, and is connected through the first connecting device 12 and the connecting wire. 25 is connected to the control host 20, and the control host 20 outputs a plurality of sound signals of different channels corresponding to each sound module 30 to the plurality of sound modules 30 through the connecting wire 25, and the sound module 30 outputs the sound signal. signal output.

And as shown in FIG. 2 , the control host 20 can also be connected to a client electronic device 70 (such as a mobile phone, a remote control, a tablet computer, etc.), or a multimedia host 80 , and the user can use the client electronic device 70 to connect. Or the multimedia host 80 operates the control host 20 .

As shown in FIG. 3 , wherein, the plane installation area 10 is a flat plate-shaped structure, the plane installation area 10 provides a large area of the plane portion, and the plane portion of the plane installation area 10 is divided into multiple sections installation block 11. In this embodiment, the plane installation area 10 may be a wall, ceiling, or even a floor of an indoor compartment with a large plane structure, and the plurality of installation blocks 11 on the plane installation area 10 are respectively rectangular. , and the areas of each of the mounting blocks 11 are equal to each other.

In this embodiment, a surface of each installation block 11 facing the audio module 30 is respectively provided with a plurality of hanging members 13 (as shown in FIG. 3A ) for positioning the audio module 30 on each installation block 11 At the same time, a first connecting device 12 (as shown in FIG. 3B ) is further disposed on the surface of each mounting block 11 , and each first connecting device 12 is connected to the control host 20 through connecting wires 25 respectively.

As shown in FIG. 1 and FIG. 2 , in the flat module audio 1 of the present invention, a plurality of different audio modules 30 can be respectively installed in the installation blocks 11 at different positions on the flat installation area 10 . In addition to the sound module 30 , each installation block 11 can also be provided with different accessory modules 50 on each installation block 11 . The accessory modules 50 respectively have a plane frame body, and the plane frame body of each accessory module 50 has a similar shape and size as the plane frame body 31 of the audio module 30 , and is suspended on each installation block 11 . The members 13 are arranged in the respective mounting blocks 11 . There are various options for the accessory module 50. For example, the accessory module 50 can be a decorative picture frame, a clock, a mirror, or other types of structures or decorations; further, the accessory module 50 can be a plane type. Electronic products, or home appliances manufactured to be accommodated in a flat frame structure, such as: flat panel light source devices, air purifiers, dehumidifiers, etc.; even the accessory module 50 can also be a tablet touch computer, media player, Wireless base stations, even micro servers, and various types of IoT sensing devices and other types of information products. In addition, the installation block 11 on the flat installation area 10 can also be installed with a large-sized flat panel display 60, so that the present invention has a multimedia playback function.

Therefore, the flat module audio 1 of the present invention can not only be used as an audio device for playing music, but also can be combined with the audio module 30 and different accessory modules 50 to form a part of interior decoration and a smart home environment.

As shown in FIG. 3 , FIG. 4 and FIG. 6 , each of the audio modules 30 has a plane frame body 31 respectively. In this embodiment, the plane frame body 31 is a rectangular plate body, and the shape of the plane frame body 31 is The size and size of each of the installation blocks 11 are matched with each other, so that each of the audio modules 30 can be accommodated in each of the installation blocks 11 . The plane frame 31 has opposite front and rear sides, and a sound unit 32 and a display unit 36 are disposed on the front side 311 of the plane frame 31 .

The rear side surface 312 of the sounding plane frame 31 can abut against the plurality of installation blocks 11 of the plane installation area 10 . As shown in FIG. 3 , FIG. 3A , FIG. 3B and FIG. 4 , in this embodiment, the rear side of the plane frame body 31 is provided with a plurality of hanging holes 313 corresponding to the positions of the plurality of hanging members 13 . The hanging members 13 cooperate with the hanging members 13 on the installation blocks 11 , and can fix the planar frame bodies 31 of the plurality of acoustic modules 30 on the plurality of the installation blocks 11 . And a second connecting device 37 is provided on the rear side 312 of the plane frame body 31 corresponding to the position of the first connecting device 12. When the plane frame body 31 is installed on each installation block 11, the second connecting device 37 can be connected with the first connecting device 37. The devices 12 are in contact with each other for electrical connection.

As shown in FIG. 5, the circuit structure of the control host 20 used in the present invention includes an audio processing unit 21, an analog-to-digital converter 22, a control and processing module 23, and a first communication unit 24, wherein the audio The processing unit 21 is connected to the sound source device 40 for decoding the sound signal generated by the sound source device 40, and then converting it into sound signals corresponding to different channels of the sound modules 30, and then through the analog-digital The converter 22 converts the sound signals of the different channels into digital sound signals, and then outputs them through the control and processing module 23 and the first communication unit 24 . The first communication unit 24 is connected to the first connecting device 12 on each mounting block 11 through a connecting wire 25 .

The circuit structure of each audio module 30 includes a second communication unit 301 , a control unit 302 , a digital-to-analog converter 303 , and an amplifier circuit 304 . The second communication unit 301 is electrically connected to the second connection device 37, and the second connection device 37 cooperates with the first connection device 12, so that each audio module 30 can be connected to the control host 20, using So that the audio module 30 can communicate with the control host 20 , and the control host 20 can transmit sound signals to each audio module 30 . The second communication unit 301 is connected to the control unit 302 of the audio module 30 , so that the control command and the output audio signal of the control host 20 to each audio module 30 can be transmitted to the control unit 302 of the audio module 30 . The sound signal transmitted to the sound module 30 is a digital sound signal, so after being converted into an analog sound signal by the digital-to-analog converter 303, it is then amplified by an amplifying circuit to drive the sound-emitting unit 32 to convert the sound into an analog sound signal. Signal output for users to listen to.

The control unit 302 of the audio module 30 is further connected to a display unit 36 and the second connection device 37 , wherein the display unit 36 is disposed on the front side 311 of the plane frame 31 (as shown in FIG. 3 ), so the The display unit 36 has at least one display element 361 for displaying the operation state of the audio module 30 . In this embodiment, the display component 361 of the display unit 36 is a plurality of LEDs, however, in further embodiments of the present invention, the display component 361 may also be a liquid crystal display, or an OLED display device or other component.

As shown in FIG. 2 and FIG. 3 , after a plurality of the sound modules 30 are installed on the installation block 11 , the control host 20 can further plan the sound signal output to each different sound module 30 to shape the sound signal. Sound field for effects such as stereo or surround sound.

Please refer to FIG. 2 , FIG. 3 and FIG. 12 at the same time, the control host 20 of the present invention can plan the sound signal output to each different sound module 30 according to the position of each sound module 30 and the position of each sound module 30 . The sound signal output to each of the sound modules 30 can be adjusted according to the operating parameters such as the audio characteristics of the module 30 itself, so that a sound field with stereo or surround sound effects can be created.

As shown in FIG. 12 , the control host is performing an operation procedure of outputting sound signals to different sound modules 30 , wherein step S1 is to detect the installation block 11 on which the sound module 30 is installed in the plane installation area 10 . Since each audio module 30 can be connected to the first connection device 12 on the installation block 11 through the second connection device 37 when it is installed on the installation block 11 , the control host 20 can be connected through the second connection on the audio module 30 The signal of whether the device 37 and the first connection device 12 on each installation block 11 are connected or not is used to detect whether each installation block 11 has an audio module 30 installed.

Next, in step S2, the position information of each mounting block 11 on which the audio module 30 is mounted is acquired. The control host 20 can store the position information of each installation block 11 in advance, and when it is detected that the sound module 30 is installed on each installation block 11 , it can store the position information corresponding to the installation block 11 . Extraction, thereby obtaining the location information of each installation block 11 .

Next, in step S3 , the audio module 30 transmits the operation parameters representing each audio module to the control host 20 . The operating parameters described in the present invention include, but are not limited to, the audio characteristics of each audio module 30 .

Next, in step S4 , the control host 20 plans the sound signal output to each sound module 30 according to the position information of the set position of each sound module 30 and the operation parameters of each sound module 30 .

The following further describes the signal transmission method and connection method of the control host 20 and each audio module 30 of the present disclosure. As shown in FIG. 3B , FIG. 4 and FIG. 10 , the first connection device 12 and the second connection device 37 used in the present invention have a plurality of contact terminals 121 and 371 respectively, and the plurality of contact terminals 121 on the first connection device 12 The positions of the contact terminals 371 on the second connection device 37 correspond to each other. When the first connection device 12 and the second connection device 37 are in contact with each other, the plurality of connection terminals 121 and 371 can be in contact with each other to achieve electrical sexual connection. Therefore, the first and second connection devices 12 and 37 cooperate with each other, so that the audio module 30 can be connected to the control host 20 when it is hung on each installation block 11 , thus simplifying the structure of the audio module 30 and making the installation procedure changeable. easier.

And as shown in FIG. 10 , and in this embodiment, the plurality of contact terminals 121 of the first connection device 12 have at least two audio contacts 122 , and the plurality of contact terminals 371 of the second connection device 37 also have two Audio contact 372, wherein the audio contact 122 of the first connection device 12 is connected to the control host 20. When the audio contact 372 of the second connection device 37 and the audio contact 122 of the first connection device 12 are in contact, the output of the control host 20 The sound signal can then be transmitted to the sound module 30 .

In addition, the plurality of connection terminals 121 and 371 of the first connection device 12 and the second connection device 37 also include a plurality of signal contacts 123 and 373. When the first connection device 12 and the second connection device 37 are in contact with each other, The plurality of signal contacts 123 and 373 can be in contact with each other, so that the audio module 30 can transmit an operating parameter to the control host 20 through the connecting wire 25 through the second connecting device 37 and the first connecting device 12 .

The operating parameters transmitted by the audio module 30 to the control host 20 may be, but not limited to, the audio characteristics of each audio module 30 . As shown in FIG. 1 , the plurality of sound modules 30 of the present invention can be designed to have different audio characteristics, so when the control host 20 outputs sound signals corresponding to different channels of the plurality of sound modules 30, it can The operating parameters of the audio characteristics of the sound module 30 adjust the sound signals of the different channels, so that the sound signals of each different channel can conform to the audio characteristics of the corresponding sound module 30 .

The transmission of operating parameters between the audio module 30 and the control host 20 of the present invention can be performed in but not limited to the following ways. For example, the control unit 302 of the audio module 30 has a storage unit for storing the operating parameters. , when the second connection device 37 of the audio module 30 is electrically connected to the first connection device 12 on the installation block 11, the operation parameters stored in the storage unit are passed through the first and second connection devices 12, 37 and the connecting wire 25 are transmitted to the control host 20 .

For another example, as shown in FIG. 11 , in this embodiment, among the plurality of signal contacts 373 of the second connection device 37 of each of the audio modules 30 , a part of the signal contacts 373 is selectively arranged as the channel state contacts 373 a , and The remaining contacts among the plurality of signal contacts 373 are arranged as open state contacts 373b. The method of the present invention for making a plurality of the signal contacts 373 into an open state includes, but is not limited to, the following methods, for example, by not connecting the signal contacts 373 to conductive lines, or by setting a predetermined position of the contact 373b in an open state The contact terminal is not provided at the place, so that a part of the contacts among the plurality of signal contacts 373 become the contacts 373b in the open state.

Therefore, the second connecting device 37 can obtain a variety of different combinations of the signal contacts 373 by arranging the signal contacts 373 at different positions as the on-state contacts 373a or the off-state contacts 373b, and each group is different The combined forms of the signal contacts 373 respectively represent a set of corresponding operating parameters, so when the audio module 30 is installed on the installation block 11, the first connection device 12 on the installation block 11 and the first connection device 12 on the audio module 30 When the two connecting devices 37 are electrically connected, the plurality of signal contacts 123 on the first connecting device 12 will also be in the on or off state correspondingly to the plurality of signal contacts 373 on the second connecting device 37, so the control host 20 can Detecting the on or off state of each signal contact 373 on the second connection device 37, and then from the arrangement and combination of the on or off state of each signal contact 373, to identify the corresponding operating parameters of the audio module 30, and control the The host 20 further adjusts the sound signal output to each sound module 30 through the operating parameters.

As shown in FIG. 3 and FIG. 6 , the sound generating units 32 of each sound module 30 of the present invention are respectively disposed on the front side of the plane frame body 31 . The sound-generating unit 32 can be composed of one or more than one sound-generating components. In this embodiment, the sound-generating unit 32 of the audio module 30 includes a thin-film sound-generating component 33 , an electrostatic sound-generating component 34 , and a moving coil sound-generating unit 35 . Of course, the sound-generating components used by the sound-generating unit 32 are not limited to the types disclosed in this embodiment, and any sound-generating unit or sound-generating component whose structure and spatial form can be adapted to be installed on the plane frame 31 can be used by the present invention. use.

In addition, the sound-generating unit 32 used by the plurality of sound modules 30 of the present invention can use one or a combination of the above-mentioned thin-film sound-generating component 33 , an electrostatic sound-generating component 34 , or a moving coil sound-generating unit 35 . For example, in the embodiment shown in FIG. 1 , the plurality of sound modules 30 disposed on the plane installation area 10 respectively have three sound generating units 32 of different structures. For example, the sound generating unit 32a marked in FIG. 1 is a circular film sound generating unit. The sound-generating component 32b indicated in FIG. 1 is composed of an electrostatic sound-generating component, and the sound-generating component 32b is composed of a plurality of moving coil sounding monomers.

Each sound module 30 of the present invention constitutes the sound generating unit 32 with sound components of different shapes or different structures, so that each different sound module 30 can have different audio characteristics to correspond to sound signals in different frequency ranges.

As shown in FIG. 7 and FIG. 8 , the structure of the thin-film sound-generating component 33 used in the present invention mainly includes: a thin-film substrate 331 , and the thin-film substrate 331 is made of a film or plate made of a high molecular polymer material with piezoelectric properties. The upper and lower sides of the film substrate 331 respectively have an opposite upper side and a lower side; and two conductive layers 332, the two conductive layers 332 are made of conductive materials and are respectively disposed on the film substrate 331 on the upper and lower sides.

The thickness of the thin film substrate 331 selected for the thin film sound emitting component 33 of the present invention is preferably less than 0.3 mm or less. The area of the film substrate 331 used to emit sound is defined as a working area 331a, and the two conductive layers 332 at least cover the upper and lower sides of the film substrate 331 within the working area 331a. The film substrate 331 is preferably made of polyvinylidene fluoride (PVDF) material, or a film or plate made of other polymeric materials capable of producing piezoelectric effect.

The two conductive layers 332 cover at least the upper surface and the lower surface of the film substrate 331 within the working area 331a. The two conductive layers 332 of the present invention can be selected from metal materials, such as copper (Cu), silver (Ag), chromium (Cr), nickel (Ni), titanium (Ti) and other metal materials, or conductive materials Metal oxide films, such as titanium nitride (TiN), indium tin oxide (ITO) films, etc. The two conductive layers 332 can be disposed on the surface of the thin film substrate 331 by means of evaporation, sputtering, electroplating, or coating.

The film substrate 331 is further provided with two conductive strips 333 on the upper side and the lower side of the edge of the working area 331a. The two conductive strips 333 are opposite to each other and are respectively disposed on the film substrate 331 along the edge of the working area 331a. The side edges of the two conductive layers 332 are respectively connected to the edges of the two conductive layers 332 at the periphery of the working area 331a. The two conductive strips 333 of the present invention can be selected as conductive glue, or made of metal conductors disposed on the surface of the conductive layer 332 by electroplating or coating.

The outer sides of the two conductive strips 333 are further provided with two conductive components 334 , the bodies of the two conductive components 334 have shapes corresponding to the two conductive strips 333 , and the widths of the two conductive components 334 are greater than or equal to the two conductive strips 333 Therefore, it can cover and contact one side of the two conductive strips 333 opposite to the film substrate 331 . The two conductive components 334 can be flexible circuit boards, or conductors made of high molecular polymers plated with conductors, such as polyethylene terephthalate (PET) plated with metal layers. As shown in FIG. 3 , one side of the two conductive components 334 respectively has an extension portion 334a, and the extension portion 334a is provided with a conductive contact 334b for connecting with two output electrodes of an audio source signal, so that the The audio signal can be conducted to the two conductive strips 333 through the two conductive elements 334 , and further conducted to the two conductive layers 332 through the two conductive strips.

In the film sound-generating component 33 of the present invention, the film base material 331 is made of a polymeric material capable of generating piezoelectric effect, and the two conductive layers 332 respectively cover the two sides of the film base material 331. Therefore, when the sound source is used as a sound source After the voltage of the signal is conducted to the two conductive layers 332, the two conductive layers 332 can generate an electric field, thereby causing the film substrate 331 to generate an inverse piezoelectric effect, thus causing the working area 331a of the film substrate 331 to vibrate, thereby transmitting the audio signal. Output converted to sound.

It should be noted here that the working area 331a of the film sounding unit 30 used in the present invention, as well as the conductive strips 333 and the conductive components 334 surrounding the edge of the working area 331a are not limited to the rectangular structure disclosed in FIG. And designed for other shapes.

As shown in FIG. 9 , which is a modified embodiment of the thin-film sound-generating component 33 of the present invention, the thin-film sound-generating component 33 disclosed in the embodiment further includes a frame structure 38 for supporting the thin-film substrate 331 so as to be at least less than The film substrate 331 within the region 331a is in a planar state. In this embodiment, the frame structure 38 is disposed at the edge of the working area 331a of the film substrate 331. The frame structure 38 includes: an upper frame 381 and a lower frame 382, the upper frame The body 381 and the lower frame body 382 are oppositely disposed on the upper side and the lower side of the edge position of the working area 331a of the film substrate 331 , and are relatively sandwiched on both sides of the film substrate 331 . The upper frame body 381 and the lower frame body 382 are also clamped on the outer sides of the conductive strips 333 and the two conductive components 334, respectively, so as to press the conductive strips 333 and the two conductive components 334 into contact with the two conductive strips 333 and the two conductive components 334. The outer side of the conductive layer 332 to improve the stability of signal conduction.

In the embodiment, the side of the lower frame of the frame structure 38 facing the film substrate has a top surface, the center of the top surface has a ring-shaped slot 382a, and the upper frame 381 faces the film substrate. One side of the film substrate 331 has a bottom surface, and the bottom surface has an engaging flange 381a corresponding to the engaging groove 382a of the lower frame body 382. The upper frame body 381 and the lower frame body When the 382 is relatively clamped, the engaging flange 381a can be engaged in the engaging groove 382a, and the film substrate 331 corresponds to the materials at the positions of the engaging flange 381a and the engaging groove 382a. Press and snap into the slot 382a.

As shown in FIG. 9 , since the card slot 382a and the engaging flange 381a are respectively perpendicular to the surface of the film substrate 331, when the material at the edge of the film substrate 331 is driven by the engaging flange 381a, it is clamped into the card When inside the groove 382a, the material of the film substrate 331 at the positions corresponding to the engaging flange 381a and the engaging groove 382a will form a concave-convex shape corresponding to the engaging flange 381a and the engaging groove 382a, And the material of the film substrate 331 located at the edge of the working area 331a is driven to be pulled in the vertical direction, so that the material of the film substrate 331 located in the working area 331a is strained in the horizontal direction, and the material of the film substrate 331 is strained in the horizontal direction. produce tensile stress.

The advantages of the above-mentioned structure of the film sound-generating component 33 of the present invention are mainly that most of the area of the film substrate 331 is a vibrating sound-emitting area, so the sound output efficiency can be effectively improved, and the audio frequency range that the film sound-generating component 33 can output increase, so that the sound output by the film sound-emitting component 33 has preferable detail and degree of reduction.

In addition, the film sound-emitting component 33 of the present invention is flatly disposed on the front side 311 of the plane frame body 31, and in the embodiment shown in FIG. 10, the film base material 331 can be further supported and fixed by the frame body structure 38. Therefore, the film substrate 331 of the film sound-generating assembly 33 can obtain a stable support, and the film sound-generating assembly 33 can be prevented from loosening, and the sound quality of the output sound of the film sound-generating assembly 33 can be improved, and abnormal sound can be avoided.

[Technical effect of the embodiment]

To sum up, the beneficial effect of the present invention is that each audio module 30 can be connected to the control host 20 through the first connecting device 12 and the second connecting device 37 when it is installed on the plane block 11, so that the plane can be connected to the control host 20. The installation area 10 does not need to be provided with a signal transmission line for connecting the audio module 30 and the control host 20, and the control host can adjust the sound signal corresponding to each audio module 30 according to the installation position and audio characteristics of each audio module 30, so it can be Easily adjust the sound effect of the output sound field, and improve the flexibility of its use.

In addition, the audio module 30 adopted in the present invention has a planar structure and can have a good audio frequency range and sound quality, thus improving the quality of the output sound of the audio system.

The above descriptions are only preferred and feasible embodiments of the present invention, and are not intended to limit the claims of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the protection scope of the present invention.

Claims (13)

1. A flat modular speaker, comprising:

the plane installation area is divided into a plurality of installation blocks, and each installation block is respectively provided with a first connecting device;

a plurality of sound modules, wherein the sound modules can be selectively arranged in a plurality of installation blocks of the plane installation area respectively, a second connecting device is arranged at the position of the sound modules corresponding to the first connecting device of each installation block respectively, and when the sound modules are arranged in the installation blocks, the second connecting devices can be connected with the first connecting devices on the installation blocks;

a control host, connected to the plurality of first connecting devices in the plurality of installation blocks through connecting wires, wherein when the plurality of audio modules are installed in the plurality of installation blocks, the first connecting devices on each installation block and the second connecting devices on the audio modules are electrically connected to connect the plurality of audio modules to the control host, and the control host is capable of outputting a plurality of sound signals corresponding to the plurality of audio modules, transmitting the plurality of sound signals to the plurality of audio modules, and outputting the sound signals through the audio modules;

the control host stores position signals of each installation block, and when each sound module is arranged on a plurality of installation blocks, the control host can judge the signals of the sound modules arranged on the installation blocks through mutual conduction of the second connecting devices of the sound modules and the second connecting devices on the installation blocks, so that the position information of the installation blocks corresponding to each sound module is obtained, and the sound signals output to each sound module are planned according to the position information of the installation blocks corresponding to each sound module.

2. The flat panel sound system of claim 1, wherein the first connecting means and the second connecting means have at least one set of audio contacts for enabling sound signals output by the control host to be conducted to the sound system via the audio contacts; the first connecting device and the second connecting device are respectively provided with a plurality of signal contacts for transmitting an operating parameter of the sound module to the control host, and the control host adjusts and outputs a sound signal to each sound module according to the operating parameter of each sound module.

3. The flat panel sound of claim 2, wherein some of the signal contacts of the second connecting means are off state contacts and other of the signal contacts are on state contacts, the second connecting means obtains a plurality of different signal contact configurations by arranging the signal contacts as the on state contacts or the off state contacts, respectively, and each different set of signal contact configurations represents a corresponding set of operating parameters.

4. The flat panel sound system of any of claims 2-3, wherein the operating parameters of a plurality of the sound modules include at least an audio characteristic of each of the sound modules.

5. The flat modular sound of claim 4, wherein each of the sound modules has a flat frame and a sound generating unit, wherein the flat frame has opposite front and rear sides, the rear side is capable of being attached to the flat mounting area, and the sound generating unit is disposed on the front side; the shape and the size of the plane frame body are matched with those of the installation blocks of the plane installation area, so that the plane frame bodies can be installed on the installation blocks respectively.

6. The flat modular speaker of claim 5, wherein the flat housing of the plurality of speaker modules has opposing front and rear sides, the rear side of the flat housing being capable of abutting each of the mounting blocks, the sound unit being disposed on the front side of the flat housing, and the second connecting means being disposed on the rear side of the flat housing.

7. The flat panel sound system of claim 6, wherein the sound unit has one or a combination of a film sound generating unit, an electrostatic sound generating unit, and a moving coil sound generating unit.

8. The flat panel sound system of claim 7, wherein the membrane sound generating assembly comprises:

the film substrate is provided with an upper side face and a lower side face which are opposite, and the upper side face and the lower side face of the film substrate can respectively define at least one working area;

the two conducting layers are respectively arranged on the upper side and the lower side of the film substrate and at least cover the upper side and the lower side of the film substrate in at least one working area;

the two conductive strips are respectively arranged on two opposite side surfaces of the film substrate; the two conductive strips are opposite to each other and are respectively arranged on the side edge of the film substrate along the edge of at least one working area; and

the two conductive components are respectively arranged on one side surface of the two conductive strips opposite to the film substrate, are in a shape corresponding to the two conductive strips and cover and contact one side surface of the two conductive strips opposite to the film substrate; the two conductive components are respectively electrically connected with an audio source signal.

9. The flat panel sound system of claim 8, wherein the membrane sound module is disposed flush against the front side of the flat panel enclosure.

10. The flat panel sound system of claim 9, wherein the film substrate is a polyvinylidene fluoride film and the two conductive layers are metal films or metal oxide films.

11. The flat panel sound box of claim 10, wherein the two conductive strips are conductive adhesive or metal conductive layers plated on the surfaces of the two conductive layers.

12. The flat panel sound system of claim 11, further comprising a frame structure disposed on the film substrate at the edge of the working area, the frame structure comprising: the upper frame body and the lower frame body are oppositely arranged on the upper side surface and the lower side surface of the edge position of the working area of the film base material and oppositely clamped on the upper side surface and the lower side surface of the film base material, so that the film base material is fixed; the lower frame body has a top surface facing one side of the film base material, a clamping groove is formed in the center of the top surface, the upper frame body has a bottom surface facing one side of the film base material, the bottom surface has a clamping flange corresponding to the clamping groove, when the upper frame body and the lower frame body are clamped relatively, the clamping flange can be clamped in the clamping groove, the film base material corresponds to the clamping flange and the material extrusion card at the position of the clamping groove is clamped in the clamping groove, and the material of the film base material corresponding to the clamping flange and the position of the clamping groove is made to form a concave-convex shape corresponding to the clamping flange and the clamping groove.

13. The flat panel modular stereo of claim 6, wherein a plurality of functional modules are selectively arranged in a plurality of the installation blocks of the flat panel installation area, the plurality of functional modules each having a flat frame, the shape and size of the flat frame of each of the functional modules being matched to the shape and size of each of the installation blocks, and being capable of being installed in the plurality of installation blocks of the flat panel installation area in common with the flat frame of the plurality of the stereo modules.

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