TWI689207B - Planar module sound device - Google Patents

Abstract

Present invention relates to a planar module sound device, including: a planar mounting area divided into a plurality of mounting blocks, wherein each of the mounting blocks is respectively provided with a first connection device; a plurality of audio modules, the plurality of audio modules can be selectively disposed in a plurality of mounting blocks, the plurality of audio modules are respectively provided with a second connecting device for connecting with the first connecting device; a control host controls connected with the first connecting device in the plurality of mounting blocks through a connecting wire; when the plurality of audio modules are mounted on the plurality of mounting blocks, each of the first connecting device and each of the second connecting device are electrically connected to each other.

Description

Flat Module Audio

The invention relates to a plane module sound, in particular to a plane module sound that can be assembled on a plane structure such as an indoor wall, a ceiling or even a floor.

Most existing audio systems are composed of a sound source device, an amplifier, and multiple different speakers, and the amplifier and the speakers are respectively designed as a box structure, so they can only be installed in the indoor space separately, and cannot be integrated into the indoor wall and ceiling Or in a flat installation area such as a floor.

Some existing sound systems use flat-type speakers. However, due to the limitation of sound-generating elements or monomers, the existing flat speakers have the problems that the audio range is too small and the sound-efficiency is not good.

In order to create a stereo sound effect or a surround sound effect, the sound system must output sound signals of different channels from a plurality of different speakers to form a sound field with a stereoscopic presence. However, the control host of the existing audio system and each speaker must be connected by wires. Therefore, when assembling the audio system, the signal transmission lines between each speaker and the control host must be connected one by one, which makes the staking process difficult.

Due to the above reasons, it causes various inconveniences in the use of the existing flat sound system. Therefore, how to solve the aforementioned problems through structural improvement has become one of the important issues that this business wants to solve.

An embodiment of the present invention provides a plane module audio, which includes: a plane installation area, the plane installation area is divided into a plurality of installation blocks, and each of the installation blocks is provided with a first connection device; a plurality of Audio module The modules can be selectively disposed in a plurality of mounting blocks in the planar mounting area, and the plurality of sound modules are respectively provided with a position corresponding to the position of the first connecting device of each of the mounting blocks A second connection device, when a plurality of the sound modules are installed in the plurality of installation blocks, the second connection device can be connected to the first connection device on the installation block; A control host, the control host is connected to a plurality of the first connection devices in the plurality of installation blocks through connecting wires, and when a plurality of the sound modules are installed on the plurality of installation blocks, The first connection device on each of the mounting blocks and the second connection device on the sound module are electrically connected to connect a plurality of the sound modules to the control host , The control host can output a plurality of sound signals corresponding to a plurality of the sound modules, and transmit the plurality of sound signals to the plurality of sound modules respectively, and output the sound through the sound modules Signal.

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 transmitted to the audio contacts The sound 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 sound module to the control host, and the control The host adjusts the sound signal output to each sound module according to the operation parameters of each sound module.

A preferred embodiment of the present invention, wherein a part of the plurality of signal contacts on the second connection device is an open state contact, and the other part of the plurality of signal contacts is a path state Contacts, the second connection device obtains a variety of different signal contact combinations by arranging a plurality of the signal contacts as the path state contact or the disconnection state contact, and each The signal contact combinations of different groups represent a corresponding set of operating parameters.

A preferred embodiment of the present invention, wherein the operation parameters of the plurality of sound modules at least include the audio characteristics of each of the sound modules.

A preferred embodiment of the present invention, wherein each of the sound modules has a flat A face frame and a sound emitting unit, wherein the plane frame has opposite front and rear sides, the rear side can abut against the plane mounting area, and the sound generating unit is disposed on the front side; The shape and size of the plane frame body and the shape and size of the plurality of mounting blocks of the plane mounting area match so that the plurality of plane frame bodies can be mounted on each mounting block respectively.

A preferred embodiment of the present invention, wherein the shape and size of the plane frames of the plurality of sound modules have opposite front and rear sides, respectively, and the rear side of the plane frame can be placed against each On the mounting block, the sound generating unit is disposed on the front side of the planar frame, and the second connection device is disposed on the rear side of the planar frame.

A preferred embodiment of the present invention, wherein the sound-generating unit has one or a combination of a thin-film sound-generating element, an electrostatic sound-generating element, and a moving-coil sounding monomer.

A preferred embodiment of the present invention, wherein the film sound-generating element includes: a film substrate, the film substrate has opposite upper and lower sides, and the upper and lower sides of the film substrate can be defined respectively At least one working area; two conductive layers respectively disposed on the upper and lower sides of the film substrate and covering at least the film substrate in at least one of the working areas An upper side and the lower side; two conductive strips, the two conductive strips are respectively disposed on two opposite sides of the film substrate; the two conductive strips are opposed to each other and are respectively disposed along the edge of at least one of the working areas The side of the film substrate; and two conductive elements, the two conductive elements are respectively disposed on one side of the two conductive strips relative to the film substrate, the two conductive elements correspond to the two conductive strips Shape, and covers one side of the two conductive strips opposite to the film substrate; the two conductive elements are electrically connected to an audio signal respectively.

A preferred embodiment of the present invention, wherein the film sound-generating element is flatly arranged on the front side of the plane frame body.

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

According to 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 a position where the film substrate is located at an edge of the working area, and the frame structure includes: a lower frame and an upper frame A frame body, wherein the upper frame body and the lower frame body are disposed on the upper side and the lower side of the edge position of the working area of the film substrate, and are relatively sandwiched between the upper side and the lower side of the film substrate, By which the film substrate is fixed; wherein the side of the lower frame facing the film substrate has a top surface, the top surface has a slot in the center, and the upper frame faces the film substrate One side has a bottom surface, the bottom mask has an engaging flange corresponding to the clamping slot, and when the upper frame body and the lower frame body are relatively clamped, the engaging flange can be engaged with all The card slot, and press-fit the film base material corresponding to the engaging flange and the position of the card slot into the card slot, and make the film base material correspond to the engagement The material at the position of the flange and the clamping groove forms an uneven shape corresponding to the engaging flange and the clamping groove.

A preferred embodiment of the present invention, wherein a plurality of functional modules can be selectively provided among the plurality of installation blocks in the planar installation area, and each of the plurality of functional modules has a planar frame, each The shape and size of the plane frame of the functional module match the shape and size of each of the mounting blocks, and can be installed together with the plane frames of the plurality of sound modules In the plurality of installation blocks in the plane installation area.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are provided for reference and explanation only, and are not intended to limit the present invention.

1: plane module audio

10: Plane installation area

11: Install block

12: First connection device

121: Circuit contact

122: audio contact

123: Signal contact

13: Hanging component

20: control host

21: Audio processing unit

22: Analog to digital converter

23: Control and processing module

24: The first communication unit

25: connecting wire

30: Audio module

301: Second communication unit

302: control unit

303: digital to analog converter

304: Amplifying circuit

31: Flat frame

311: front side

312: Rear side

313: Hanging hole

32, 32a, 32b, 32c: sounding unit

33: Film sound-generating element

331: film substrate

331a: Work area

332: conductive layer

333: conductive adhesive

334: conductive element

334a: Extension

334b: conductive contact

34: Electrostatic sound generator

35: moving coil pronunciation monomer

36: display unit

361: display element

37: Second connection device

371: Connection terminal

372: audio contact

373: Signal contact

373a: Path state contact

373b: Open state contact

38: Frame structure

381: Upper frame

381a: snap flange

382: Lower frame

382a: Card slot

40: Audio source device

50: accessory module

60: Flat display device

70: user-side electronic equipment

80: Media host

FIG. 1 is a schematic plan view of the combination of the plane module sound of the present invention.

FIG. 2 is a schematic block diagram of the system of the planar module sound of the present invention.

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

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

FIG. 4 is a perspective view of the sound module used for the plane module sound of the present invention taken from the back angle.

FIG. 5 is a block diagram of a control system and a sound module circuit system used for the plane module sound of the present invention.

FIG. 6 is a side cross-sectional view of an acoustic module used for a flat module acoustic of the present invention.

7 is a schematic diagram of the cross-sectional structure of a thin-film sound-emitting element used in the flat module sound of the present invention.

FIG. 8 is a three-dimensional exploded schematic view of the structure of the thin-film sound-emitting element used in the flat module sound of the invention.

9 is a schematic cross-sectional structure diagram of another embodiment of the thin-film sound-emitting element used in the flat module sound of the present invention.

FIG. 10 is a schematic diagram of the pin structure of the connection terminals of the first connection device and the second connection device used in the flat module sound of the present invention.

FIG. 11 is a partially enlarged perspective view of an embodiment of the planar module audio of the present invention in which a part of a plurality of signal contacts of the second connection device is arranged as contacts in an open state.

FIG. 12 is a schematic diagram of the operation flow of the audio control signal of the plane module audio control host of the present invention for planning and outputting to different audio modules.

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

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

As shown in FIG. 3, wherein the flat mounting area 10 is a flat structure, the flat mounting area 10 provides a large-area flat portion, and the flat mounting area 10 is divided into multiple flat portions 11 installation blocks. In this embodiment, the plane installation area 10 may be a wall, ceiling, or even floor structure with a wide range of planes, and the plurality of installation blocks 11 on the plane installation area 10 are respectively rectangular , And the area of each of the mounting blocks 11 is equal to each other.

In this embodiment, each surface of the mounting block 11 facing the audio module 30 is provided with a plurality of hanging members 13 (as shown in FIG. 3A) for positioning the audio module 30 in each mounting area On the block 11, at the same time, a surface of each mounting block 11 is further provided with a first connection device 12 (as shown in FIG. 3B ). Each first connection device 12 is connected to the control host 20 through a connection wire 25.

As shown in FIGS. 1 and 2, the flat module sound 1 of the present invention can be provided with a plurality of different sound modules 30 in the mounting blocks 11 at different positions on the flat mounting area 10. In addition to installing the acoustic module 30 on each installation block 11, different accessory modules 50 can also be installed on each installation block 11. The accessory modules 50 each have a planar frame, and the planar frame of each accessory module 50 has a similar appearance and size as the planar frame 31 of the audio module 30, and passes through each mounting block 11 The hanging member 13 is provided in each mounting block 11. There are many options for the accessory module 50, for example: the accessory module 50 can be a decorative frame, clock, mirror, or other type of structure or decoration; further, the accessory module 50 can be a flat surface Electronic products, or home appliances manufactured to be housed in a flat frame structure, such as: flat light source device, air purifier, dehumidifier, etc.; The accessory module 50 can also be a tablet touch computer, a media player, a wireless base station, even a micro server, various types of Internet of Things sensing devices, and other types of information products. In addition, the mounting block 11 on the flat mounting area 10 can also mount a large-sized flat display 60 to enable the present invention to have a multimedia playback function.

Therefore, in addition to being an audio device for playing music, the flat module audio 1 of the present invention can also be combined with the audio module 30 and different accessory modules 50 to form part of the interior decoration and smart home environment.

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

The sound plane frame 31 can abut the plurality of mounting blocks 11 of the plane mounting area 10 on the rear side 312. As shown in FIGS. 3, 3A, 3B and 4, in this embodiment, a plurality of hanging holes 313 are provided on the rear side of the planar frame 31 corresponding to the positions of the plurality of hanging members 13, and through a plurality of The hanging member 13 and the hanging member 13 on the mounting block 11 cooperate to fix the planar frames 31 of the plurality of sound modules 30 to the plurality of mounting blocks 11. And the rear side 312 of the plane frame body 31 is provided with a second connection device 37 corresponding to the position of the first connection device 12, when the plane frame body 31 is installed on each mounting block 11, the second connection device 37 can be connected with the first The devices 12 are in contact with each other to achieve an 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 processing unit 21 is connected to the sound source device 40 to decode the sound signal generated by the sound source device 40 and convert it into sound signals corresponding to different channels of the plurality of sound modules 30, and then pass the The analog-to-digital converter 22 converts the sound signals of the multiple 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. Wherein the second communication unit 301 is electrically connected to the second connection device 37, and through the cooperation of the second connection device 37 and the first connection device 12, each audio module 30 can be connected to the control host 20, It is used to enable the audio module 30 to 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 commands of the control host 20 for each audio module 30 and the output sound signal can be transmitted to the control unit 302 of the audio module 30. The audio signal transmitted to the audio module 30 is a digital audio signal, so after being converted into an analog audio signal by the digital-to-analog converter 303, it is then amplified by an amplifier circuit to drive the sound-generating unit 32 to convert the Audio signal output for users to listen to.

The control unit 302 of the sound 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 flat frame 31 (as shown in FIG. 3), The display unit 36 has at least one display element 361 for displaying the operation state of the sound module 30. In this embodiment, the display element 361 of the display unit 36 is a plurality of LEDs. However, in a further embodiment of the present invention, the display element 361 may also be a liquid crystal display, or an element such as an OLED display device.

As shown in FIGS. 2 and 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 for Create a sound field with stereo sound effects or surround sound effects.

Please also refer to FIG. 2, FIG. 3 and FIG. 12, the control host 20 of the present invention The sound signals that are planned to be output to each different sound module 30 can be adjusted to the output according to the operating position of each sound module 30 and the audio characteristics of each sound module 30 itself. The sound signal of the sound module 30 can thus create a sound field with stereo or surround sound effects.

As shown in FIG. 12, the control host is performing an operation procedure of the sound signals output to different sound modules 30, wherein step S1 is to detect the installation block 11 in which the sound module 30 is installed in the flat installation area 10. Since each audio module 30 is installed on the mounting block 11, it can be connected to the first connecting device 12 on the mounting block 11 through the second connecting device 37, so the control host 20 can pass through the first on the audio module 30. The signal of whether the second connection device 37 and the first connection device 12 on each installation block 11 are conducting, to detect whether there is an audio module 30 installed on each installation block 11.

Next, in step S2, the position information of each mounting block 11 on which the audio module 30 is installed is obtained. The control host 20 can store the location information of each installation block 11 in advance, and when it is detected that the audio module 30 is provided on each installation block 11, it can correspond to the location of the installation block 11 The location information is extracted to obtain the location information of each installation block 11.

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

Then in step S4, the control host 20 plans the sound signal output to each sound module 30 according to the position information of the position where each sound module 30 is set and the operation parameter 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 in this case. As shown in FIGS. 3B, 4 and 10, the first connection device 12 and the second connection device 37 used in the present invention respectively have a plurality of contact terminals 121 and 371, and the plurality of contact terminals 121 on the first connection device 12 And the positions of the plurality of contact terminals 371 on the second connection device 37 correspond to each other, when the first connection When the 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 connection. Therefore, the first and second connecting devices 12, 37 cooperate with each other to enable the audio module 30 to be connected to the control host 20 when suspended on each mounting block 11, thus simplifying the structure of the audio module 30 and making the installation The procedure becomes 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 contacts 372, wherein the audio contact 122 of the first connecting device 12 is connected to the control host 20, and when the audio contact 372 of the second connecting device 37 and the audio contact 122 of the first connecting device 12 are in contact, control The audio signal output by the host 20 can be transmitted to the audio module 30.

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

The operation parameters transmitted from the sound module 30 to the control host 20 may be, but not limited to, the audio characteristics of each sound 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 be based on The operating parameters of the audio characteristics of each sound module 30 adjust the sound signals of the different channels, so that the sound signals of each different channel can match the audio characteristics of the corresponding sound module 30.

The transmission of the operating parameters between the audio module 30 and the control host 20 of the present invention can be but not limited to the following methods, for example: the control unit 302 of the audio module 30 has a Memory unit, when the second connection device 37 of the audio module 30 and the first connection device 12 on the mounting block 11 reach When electrically connected, the operating parameters stored in the memory unit are transmitted to the control host 20 through the first and second connecting devices 12, 37 and the connecting wire 25.

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 sound modules 30, a part of the signal contacts 373 are selectively arranged as channels The state contact 373a, and the remaining contacts among the plurality of signal contacts 373 are arranged as the open state contact 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 a conductive line, or setting a predetermined contact as an open state The contact terminal is not provided at the position of 373b, so that a part of the plurality of signal contacts 373 becomes the disconnected state contact 373b.

Therefore, the second connection 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 path state contact 373a or the disconnection state contact 373b, respectively. The combination of a group of different signal contacts 373 represents a set of corresponding operating parameters, so when the audio module 30 is installed on the installation block 11, the first connecting device 12 and the audio on the installation block 11 When the second connection device 37 on the module 30 achieves an electrical connection, the plurality of signal contacts 123 on the first connection device 12 will correspondingly become the plurality of signal contacts 373 on the second connection device 37 The open state, so the control host 20 can detect the path or open state of each signal contact 373 on the second connection device 37, and then identify the phase from the arrangement of the path or open state of each signal contact 373 Corresponding to the operation parameters of the sound module 30, and the control host 20 further adjusts the sound signal output to each sound module 30 through the operation parameters.

As shown in FIGS. 3 and 6, the sound generating units 32 of each acoustic module 30 of the present invention are respectively disposed on the front side of the flat frame 31. The sound generating unit 32 can be composed of one or more sound generating elements. In this embodiment, the sound-generating unit 32 of the sound module 30 includes a thin-film sound-generating element 33, an electrostatic sound-generating element 34, and a moving coil sound-generating monomer 35. Of course, the utterance used by the utterance unit 32 The elements are not limited to the types disclosed in this embodiment, and any sounding element or sound-generating element whose structure and space form can be suitably mounted on the plane frame 31 can be used in the present invention.

In addition, the sound-generating unit 32 used in the plurality of sound modules 30 of the present invention can adopt one or a combination of the above-mentioned thin-film sound-generating element 33, an electrostatic sound-emitting element 34, or a moving coil sound-generating monomer 35. For example, in the embodiment shown in FIG. 1, the plurality of sound modules 30 disposed on the flat mounting area 10 each have three different structures of sound generating units 32. For example, the sound generating unit 32 a marked in FIG. 1 is a circular film sound The sound-emitting element 32b shown in FIG. 1 is composed of an electrostatic sound-emitting element, and the sound-emitting element 32b is composed of a plurality of moving-coil sound-generating monomers.

Each sound module 30 of the present invention is composed of sound generating elements 32 of different shapes or different structures, so that each sound module 30 has different audio characteristics for corresponding sound signals in different frequency ranges.

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

The thickness of the film substrate 331 selected for the film sound-generating element 33 of the present invention is preferably less than 0.3 mm. 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. Preferably, the film substrate 331 is made of polyvinylidene fluoride (PVDF) material, or a film or plate made of other polymer materials capable of generating 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 can be selected from metal materials, for example: copper (Cu), silver (Ag), chromium (Cr), nickel (Ni), Metal materials such as titanium (Ti), or conductive metal oxide (Metal Oxide) thin films, such as titanium nitride (TiN), indium tin oxide (ITO) thin films, and the like. The two conductive layers 332 can be provided on the surface of the film substrate 331 by evaporation, sputtering, electroplating, or coating.

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

Two conductive elements 334 are further arranged on the outer sides of the two conductive strips 333, the bodies of the two conductive elements 334 have shapes corresponding to the two conductive strips 333, and the width of the two conductive elements 334 is greater than or equal to the two conductive strips 333 Therefore, it can cover one side of two conductive strips 333 opposite to the film substrate 331. The two conductive elements 334 can be a flexible circuit board, or a conductor made of a polymer polymer plated with a conductor on the surface, such as polyethylene terephthalate (PET) with a metal layer plated on the surface. As shown in FIG. 3, one side of each of the two conductive elements 334 has an extension 334a. The extension 334a is provided with a conductive contact 334b for connecting to the two output electrodes of an audio signal, so that The sound source 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.

The film sound-generating element 33 of the present invention is made of a polymer material capable of generating a piezoelectric effect because the film substrate 331 is formed, and the two conductive layers 332 respectively cover the surfaces of both sides of the film substrate 331, so it is used as a sound source After the voltage of the signal is transmitted to the two conductive layers 332, the two conductive layers 332 can generate an electric field, which in turn causes the film substrate 331 to generate an inverse piezoelectric effect, so that the working area 331a of the film substrate 331 generates vibrations to convert the audio signal For sound output.

In particular, the working area of the film sound unit 30 used in this creation 331a, and the conductive strip 333 and the conductive element 334 surrounding the edge of the working area 331a are not limited to the rectangular structure disclosed in FIG. 8, and can be designed into other shapes according to actual needs.

As shown in FIG. 9, this is a modified embodiment of the film sound-generating element 33. The film sound-generating element 33 disclosed in the embodiment further includes a frame structure 38 for supporting the film substrate 331 to make it work at least The film substrate 331 within the area 331a forms 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 is disposed on the upper side and the lower side of the edge position of the working area 331a of the film substrate 331 opposite to the lower frame 382, and is relatively sandwiched between the two side surfaces of the film substrate 331. The upper frame 381 and the lower frame 382 are also clamped to the outer sides of the conductive strip 333 and the two conductive elements 334, respectively, for pressing the conductive strip 333 and the two conductive elements 334 into contact with the two The outer side of the conductive layer 332 improves the stability of signal transmission.

In the above embodiment, the side of the lower frame of the frame structure 38 facing the film substrate has a top surface, and the center of the top surface has an annular locking slot 382a, while the upper frame 381 faces One side of the film substrate 331 has a bottom surface, the bottom surface has an engaging flange 381a corresponding to the engaging groove 382a of the lower frame 382, the upper frame 381 and the lower frame When 382 is relatively clamped, the engaging flange 381a can be engaged in the engaging groove 382a, and the film substrate 331 corresponds to the material of the engaging flange 381a and the engaging groove 382a It is pressed into the slot 382a.

As shown in FIG. 9, since the engaging groove 382a and the engaging flange 381a are 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 caught by the card In the groove 382a, the film substrate 331 corresponding to the material of the engaging flange 381a and the position of the engaging groove 382a will form an uneven shape corresponding to the engaging flange 381a and the engaging groove 382a, And the material that drives the film substrate 331 at the edge of the working area 331a is subjected to vertical The tensile force in the direction causes the material of the film substrate 331 within the range of the working area 331a to generate horizontal strain, and the material of the film substrate 331 to generate tensile stress.

The advantages of the above-mentioned structure of the film sound-generating element 33 of the present invention are mainly that most of the area of the film substrate 331 is a vibrating sound-generating area, so the sound output efficiency can be effectively improved, and the audio range that the film sound-emitting element 33 can output The increase makes the sound output from the thin-film sound-generating element 33 have better detail and reduction.

In addition, the film sound-generating element 33 of the present invention is placed flat on the front side 311 of the flat frame 31, and in the embodiment shown in FIG. 10, the film base 331 can further support and fix the film base 331 through the frame structure 38 Therefore, the film substrate 331 of the film sound-emitting element 33 can obtain stable support, and the film sound-emitting element 33 can be prevented from slackening, and the sound quality of the sound output by the film sound-emitting element 33 can be improved, and the generation of abnormal sound can be avoided.

[Possible effects of the embodiment]

In summary, the beneficial effect of the present invention is that each sound module 30 can be in contact with each other through the first connecting device 12 and the second connecting device 37 when it is installed on the planar block 11, and is connected to the control host 20, thus making The plane 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 corresponding to each audio module 30 according to the installation position and audio characteristics of each audio module 30 The signal can therefore easily adjust the sound effect of the output sound field and increase the flexibility of its use.

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

The above are only the preferred and feasible embodiments of the present invention, and do not limit the patent scope of the present invention. Therefore, equivalent technical changes made by using the description and drawings of the present invention are included in the protection scope of the present invention. .

1‧‧‧plane module audio

10‧‧‧Plane installation area

11‧‧‧Installation block

12‧‧‧First connection device

13‧‧‧Hanging components

20‧‧‧Control host

25‧‧‧Connecting wire

30‧‧‧Audio module

31‧‧‧Plane frame

311‧‧‧Front side

312‧‧‧back side

32‧‧‧Sound unit

33‧‧‧film sound-generating components

34‧‧‧Electrostatic sound generator

35‧‧‧ moving coil pronunciation monomer

36‧‧‧Display unit

Claims (13)

A plane module audio, including: 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 sound modules, more Each of the acoustic modules can be selectively disposed in a plurality of installation blocks of the planar installation area, and the plurality of acoustic modules correspond to the first connection device of each of the installation blocks A second connection device is provided at each location. When a plurality of the sound modules are installed in the plurality of installation blocks, the second connection device can be connected to the first connection device on the installation block Connected to each other; a control host, the control host is connected to the plurality of first connection devices in the plurality of installation blocks through connection wires, when a plurality of the sound modules are installed in the plurality of installation areas When the module is on the block, the first connection device on each of the mounting blocks and the second connection device on the audio module are electrically connected to make a plurality of the audio modules and The control host is connected, and the control host can output a plurality of sound signals corresponding to the plurality of sound modules, and transmit the plurality of sound signals to the plurality of sound modules respectively, and pass the sound modules Output the sound signal; wherein, the control host stores location information of each of the installation blocks, and when each of the sound modules is installed on a plurality of the installation blocks, the control host can Through the second connection device of the sound module and the second connection device on the mounting block to communicate with each other, and it is determined that the sound module has been set on the mounting block, so that Obtaining the position information of the installation block corresponding to each of the sound modules, and planning to output to each sound module according to the position information of the installation block corresponding to each of the sound modules Sound signal. The flat module audio according to claim 1, wherein the first connection device and the second connection device have at least one set of audio contacts for the control main The audio signal output by the machine can be conducted to the audio module through the audio contact; the first connection device and the second connection device also each have a plurality of signal contacts, which are used to connect one of the audio module The operation parameters are transferred to the control host, and the control host adjusts the sound signal output to each of the sound modules according to the operation parameters of each of the sound modules. The flat module audio according to claim 2, wherein a part of the plurality of signal contacts on the second connection device is an open state contact, and the other of the plurality of signal contacts Part is a path state contact. The second connection device obtains a variety of different signal contact combinations by arranging a plurality of the signal contacts as the path state contact or the disconnection state contact, respectively. And each group of different combinations of the signal contact represents a corresponding group of operating parameters. The flat module sound according to any one of claims 1 to 3, wherein the operating parameters of the plurality of sound modules include at least the audio characteristics of each sound module. The flat module sound according to claim 4, wherein each of the sound modules has a flat frame and a sound emitting unit, wherein the flat frame has opposite front and rear sides, and the rear side Capable of abutting on the plane mounting area, and the sound-generating unit is disposed on the front side; the shape and size of the plane frame and the shape and size of the plurality of mounting blocks of the plane mounting area are similar Cooperate, so that the plurality of plane frames can be installed on each installation block. The flat module sound according to claim 5, wherein the plane frames of the plurality of sound modules have opposite front and rear sides, respectively, and the rear side of the plane frame can be attached to each On the mounting block, the sound generating unit is disposed on the front side of the planar frame, and the second connection device is disposed on the rear side of the planar frame. The flat module sound according to claim 6, wherein the sound generating unit has a thin film One or a combination of a sound-producing element, an electrostatic sound-emitting element, and a moving-coil sounding monomer. The flat module sound according to claim 7, wherein the film sound-generating element comprises: a film substrate, the film substrate has opposite upper and lower sides, and the upper and lower sides of the film substrate The side surfaces can respectively define at least one working area; two conductive layers are respectively disposed on the upper side and the lower side of the film substrate, and at least cover the film substrate in at least one working area Inside the upper side and the lower side; two conductive strips, the two conductive strips are respectively disposed on the two opposite sides of the film substrate; the two conductive strips are opposed to each other and respectively along at least one of the working area The edge of the film substrate is set on the side of the film substrate; and two conductive elements, the two conductive elements are respectively disposed on a side of the two conductive strips opposite to the film substrate, the two conductive elements are shown as the two The corresponding shapes of the conductive strips cover one side of the two conductive strips relative to the film substrate; the two conductive elements are electrically connected to a sound source signal, respectively. The flat module sound according to claim 8, wherein the thin film sound-generating element is flatly arranged on the front side of the flat frame. The flat module audio according to claim 9, wherein the film substrate is a polyvinylidene fluoride (PVDF) film, and the two conductive layers are metal films or metal oxide films. The flat module audio according to claim 10, wherein the two conductive strips are conductive adhesives, or metal conductive layers provided on the surfaces of the two conductive layers by electroplating. The flat module audio according to claim 11, further comprising a frame structure, the frame structure is disposed at a position where the film substrate is located at an edge of the working area, and the frame structure includes: a frame And an upper frame body, the upper frame body and the lower frame body are disposed on the upper side and the lower side of the edge position of the working area of the film substrate oppositely, and are relatively sandwiched on the upper side of the film substrate With Side surface, to fix the film substrate; wherein the side of the lower frame facing the film substrate has a top surface, the top surface has a slot in the center, and the upper frame faces the film substrate One side of the material has a bottom surface, the bottom surface has an engaging flange corresponding to the engaging groove, and the engaging flange can be engaged when the upper frame body and the lower frame body are relatively clamped In the card slot, and press the material of the film substrate corresponding to the engaging flange and the position of the card slot into the card slot, and make the film substrate correspond to The material at the position of the engaging flange and the engaging groove forms an uneven shape corresponding to the engaging flange and the engaging groove. The flat module audio according to claim 6, wherein a plurality of functional modules can be selectively provided among the plurality of installation blocks in the plane installation area, and the plurality of functional modules each have a plane Frame body, the shape and size of the plane frame body of each of the functional modules and the shape and size of each of the mounting blocks, and can be combined with the plane frame bodies of a plurality of the sound modules Commonly installed in the plurality of installation blocks in the plane installation area.

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