TWI690213B - Planar module sound device - Google Patents

Abstract

Present invention relates to a planar module sound device, including a plurality of acoustic modules. The plurality of acoustic modules can be selectively disposed in a plurality of mounting blocks in a planar mounting area. The control host is connected to the plurality of audio modules through a wireless connection, and the control host is capable of outputting a plurality of audio signals corresponding to the plurality of audio modules to each of the audio modules. The audio signals are respectively transmitted to each of the audio modules, and the audio signals are output through the audio modules.

Description

Modular flat sound

The present invention relates to a modular planar sound, in particular to a modular planar sound that adopts a wireless connection and is installed in a plane installation area such as an indoor wall, ceiling or 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 existing audio system mostly uses wires to connect each speaker and the host. Therefore, for a flat sound system installed on the wall, a signal transmission line for connecting the host and each different speaker must be installed in the wall company, which will make The wiring structure on the wall is disordered, and the wiring operation will become quite complicated.

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 modular plane sound, which includes: a plane An installation area, the plane installation area has a plurality of installation blocks; a plurality of sound modules, a plurality of the sound modules can be selectively arranged in a plurality of installation blocks; a control host, the control host By connecting with a plurality of the sound modules through a wireless connection, 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 Group, and output the sound signal through the sound module; wherein each sound module has a plane frame body, the shape and size of each plane frame body and the plurality of plane mounting areas The shape and size of the mounting blocks are matched so that a plurality of the plane frames can be installed on each mounting block, and a sound emitting unit is provided on the front side of each plane frame; The mounting block is respectively provided with a first connection device, each of the plane frames of the sound module is respectively provided with a second connection device, and each of the second connection devices is respectively arranged on the plane frame The rear side, and the position where each second connection device is provided on the plane frame corresponds to the position of the first connection device on each plane block, so that each of the acoustic models When the group is arranged on any one of the installation blocks, the second connection device and the first connection device can contact each other to form an electrical connection; wherein, each of the first connection device and each of the The second connection devices respectively have at least one set of power contacts, the power contacts of the first connection device are connected to a power supply device, and when each of the second connection devices is connected to the first connection device, The power contact of the second connection device and the power contact of the first connection device form an electrical connection to provide power required by the sound module.

A preferred embodiment of the present invention, wherein the control host has a first communication unit, a plurality of the sound modules each have a second communication unit, and a plurality of the sound modules respectively pass through the second communication unit The wireless connection mode is connected to the first communication unit of the control host.

A preferred embodiment of the present invention, wherein each of the first connection device and each of the second connection devices respectively has a plurality of signal contacts, when each of the sound modules is installed on the installation block When the second connection device of each of the sound modules The plurality of signal contacts of the first connection device on the corresponding installation block can be in contact with each other, so that the installation block can be connected to the second connection through the first connection device A plurality of the signal contacts of the device transmit an operation message to the audio module.

A preferred embodiment of the present invention, wherein the operation information includes position information of the mounting block corresponding to each of the sound modules, and the sound module reads the corresponding through multiple signal contacts The location information of the installation block of the installation block, and send the location information of the corresponding installation block to the control host, for the control host to use the corresponding The position information of the installation block adjusts the sound signal output to each of the sound modules.

A preferred embodiment of the present invention, wherein the sound-generating unit has one or a combination of a thin-film sound-emitting element, an electrostatic sound-emitting 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 side and the lower side of the film substrate, and at least covering the upper side of the film substrate in at least one of the working areas Side surface and the lower side surface; 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 on the edge of at least one working area 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 are corresponding to the two conductive strips It is shaped and covers one side of two conductive strips relative 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.

A preferred embodiment of the present invention, wherein 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 disposed at a position where the film substrate is located at the edge of the working area. The frame structure includes: a lower frame and an upper frame The upper frame and the lower frame 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 between the upper side and the lower side of the film substrate, thereby Fixing 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 a side of the film substrate The 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 the In the slot, and press the material of the film substrate corresponding to the engagement flange and the position of the slot into the slot, and make the film substrate correspond to the engagement protrusion The material at the position of the rim and the slot forms a concave-convex shape corresponding to the engaging flange and the slot.

A preferred embodiment of the present invention, wherein each of the installation blocks is respectively provided with a first connection device, and each of the sound modules is provided with a second connection device, the second connection device is provided on the The positions of the rear side of the planar frame and the first connection device are such that when the sound module is installed on the mounting block, the second connection device can be connected to the first connection device Contact; wherein the first connection device is connected to a power source, the first connection device and the second connection device have at least one set of power contacts to enable the power provided by the power source to pass through the power The contact is conducted to the sound module.

A preferred embodiment of the present invention, wherein the front side of the planar frame is further provided with a display device for displaying the operation state of the sound module.

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‧‧‧Modular flat sound

10‧‧‧Plane installation area

11‧‧‧Installation block

12‧‧‧First connection device

121‧‧‧Contact terminal

122‧‧‧Electricity contact

123‧‧‧Signal contact

13‧‧‧Hanging components

14‧‧‧Recording unit

20‧‧‧Control host

21‧‧‧Audio processing unit

22‧‧‧Analog to Digital Converter

23‧‧‧Control and processing module

24‧‧‧ First communication unit

241‧‧‧First communication antenna

30‧‧‧Audio module

301‧‧‧Second Communication Unit

302‧‧‧Control unit

303‧‧‧Digital analog converter

304‧‧‧Amplifying circuit

305‧‧‧The second communication antenna

31‧‧‧Plane frame

311‧‧‧Front side

312‧‧‧back side

313‧‧‧Hanging hole

32, 32a, 32b, 32c ‧‧‧ sounding unit

33‧‧‧film sound-generating components

331‧‧‧ film substrate

331a‧‧‧Working area

332‧‧‧conductive layer

333‧‧‧ conductive adhesive

334‧‧‧Conducting 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‧‧‧Contact terminal

372‧‧‧Electricity contact

373‧‧‧Signal contact

38‧‧‧Frame structure

381‧‧‧Upper frame

381a‧‧‧Snap flange

382‧‧‧Lower frame

382a‧‧‧Card slot

40‧‧‧Audio source device

50‧‧‧Accessories Module

60‧‧‧Flat display device

70‧‧‧User-end electronic equipment

80‧‧‧Media Host

FIG. 1 is a schematic plan view of a combination of modular planar sound of the present invention.

FIG. 2 is a block diagram of the system of the modular flat sound of the present invention.

FIG. 3 is a partial perspective exploded view of a specific embodiment of the modular planar 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 in the modular flat sound of the present invention taken from the back angle.

FIG. 5 is a block diagram of the circuit system of the control host used in the modular flat sound of the present invention.

FIG. 6 is a block diagram of a circuit system of an audio module used in the modularized planar sound of the present invention.

FIG. 7 is a side cross-sectional view of an acoustic module used in the modular flat acoustic of the present invention.

8 is a schematic cross-sectional structure diagram of a thin-film sound-emitting element used in the modularized planar sound of the present invention.

FIG. 9 is a three-dimensional exploded structural schematic diagram of a thin-film sound-emitting element used in the modular planar sound of the present invention.

FIG. 10 is a schematic cross-sectional structure diagram of another embodiment of the thin-film sound-emitting device used in the modular planar sound of the present invention.

FIG. 11 is a schematic diagram of the pin structure of the contact terminals of the first connection device and the second connection device used in the modular planar sound of the present invention.

As shown in FIG. 1, FIG. 2 and FIG. 3, the present invention provides a wirelessly connected modular flat sound 1, which 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 flat mounting area 10, and the plurality of sound modules 30 are respectively connected to the control host 20 through a wireless connection, and the control host 20 connects the wireless host A plurality of sound signals corresponding to each of the sound modules 30 are output to the plurality of sound modules 30, and each sound module 30 outputs the corresponding sound signal.

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 addition, the shape and size of each of the acoustic modules 30 and the mounting block 11 cooperate with each other, and can be mounted on a plurality of the mounting blocks 11.

In this embodiment, each surface of the mounting block 11 facing the sound module 30 is provided with a plurality of hanging members 13 (as shown in FIG. 3A) for positioning the sound module 30 in each mounting area On the block 11, at the same time, a first connecting device 12 (as shown in FIG. 3B) is further provided on the surface of each mounting block 11 to enable each mounting block 11 to achieve power or signal with the audio module 30 Connection.

As shown in FIGS. 2, 5 and 6, a plurality of the sound modules 30 are connected to the control host 20 through a wireless connection, and the control host 20 can be connected to a sound source device 40 (as shown in FIG. 5) ), and output a plurality of sound signals of different channels, and send the plurality of sound signals of the different channels to the plurality of sound modules 30, respectively. 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. The audio processing unit 21 is connected to the audio source device 40 to decode the audio signal generated by the audio source device 40 and convert it into audio signals corresponding to different channels of the plurality of audio modules 30, and then pass through 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 has a first communication antenna 241. The first communication unit 24 is connected to the plurality of audio modules 30 through the first communication antenna 241 to connect the sound signals of the different channels Transmitted to different speakers 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. 6, the circuit structures of the various acoustic modules 30 of the present invention include a second communication unit 301, a control unit 302, a digital-to-analog converter 303, an amplifying circuit 304, and a sounding unit 32. The second communication unit 301 has a second communication antenna 305, and the second communication unit 301 is wirelessly connected to the first communication unit 24 of the control host 20 through the second communication antenna 305 to make a sound The module 30 can communicate with the control host 20. 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. Therefore, after being converted into an analog audio signal by a digital-to-analog converter 303, it is then amplified by an amplifier circuit 304 to drive the sound-generating unit 32 to The audio signal is output for users to listen to.

The control unit 302 of the sound module 30 is further connected to a display unit 36 for displaying the operation state of the sound module 30, and a second connection device 37, the second connection device 37 is used for installation The first connection device 12 on the block 11 cooperates to transmit power and operation information between the sound module 30 and the installation block 11.

As shown in FIG. 3, FIG. 4 and FIG. 7, each of the acoustic 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 a front side 311 and a rear side 312 opposite to each other, wherein the pronunciation plane frame 31 can abut the rear side 312 against the plurality of mounting blocks 11 of the plane mounting area 10. As shown in Figure 3, Figure 3A, Figure 3B and Figure 4, this embodiment In the middle, the rear side of the plane frame 31 is provided with a plurality of hanging holes 313 corresponding to the positions of the plurality of hanging members 13, and through the plurality of hanging members 13 and the hanging member 13 on the mounting block 11 In cooperation, the plane frames 31 of the plurality of sound modules 30 can be fixed to the plurality of mounting blocks 11. The second connection device 37 is disposed on the rear side 312 of the plane frame 31 corresponding to the position of the first connection device 12 on the plane block 11. When the plane frame 31 is installed on each installation block 11, the second connection device 37 37 can be in electrical contact with the first connection device 12.

A sound generating unit 32 is further provided on the front side of the plane frame 31 for outputting the acoustic signal. The display unit 36 is disposed on the front side 311 of the planar 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.

The first connection device 12 and the second connection device 37 of the present invention are mainly used to provide power required for the operation of the audio module 30, and in a further embodiment of the present invention, the first connection device 12 and the second connection device 37 It can also be used as an interface for the audio module 30 and the mounting block 11 to transmit an operation message to each other. As shown in FIG. 11, in this embodiment, the first connection device 12 and the second connection device 37 have a plurality of contact terminals 121 and 371, respectively, and the positions of the plurality of contact terminals 121 on the first connection device 12 and the second connection The positions of the plurality of contact terminals 371 on the device 37 correspond to each other. When the first connection device 12 and the second connection device 37 contact each other, the plurality of contact terminals 121 and 371 can contact each other to achieve electrical connection. In this embodiment, the plurality of contact terminals 121 of the first connection device 12 have at least two power contacts 122, and the plurality of contact terminals 371 of the second connection device 37 also have two power contacts 372, wherein The power contact 122 of the first connection device 12 is connected to a power supply device (for example, a power socket or a battery). When the power contact 372 of the second connection device 37 and the power contact 122 of the first connection device 12 are in contact, The power of the power supply device can It is transmitted to the audio module 30. Therefore, through the cooperation of the first and second connecting devices 12, 37, the power required for the operation of the audio module 30 can be provided without additional wiring, thus simplifying the structure of the audio module 30 and making The installation procedure becomes easier.

In addition, the plurality of contact 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 contact each other The plurality of signal contacts 123 and 373 can contact each other, so that the mounting block 11 and the sound module 30 can transmit the operation information through the first connection device 12 and the second connection device 37.

As shown in FIG. 6, each of the installation blocks 11 can be provided with a recording unit 14, the recording device 14 stores operation information of each of the installation blocks 11, and the recording device 14 and the first connection The device 11 is connected. When the sound module 30 is installed on the mounting block 11 so that the first connection device 12 and the second connection device 37 are connected, the operation information stored in the recording device 14 can pass through the first The connection device 12 and the second connection device 37 are transmitted to the sound module 30, and the sound module 30 then transmits the operation information of the installation block 11 corresponding to each sound module 30 to the sound module 30 by wireless transmission. The control host 20 enables the control host 20 to adjust the sound signal output to each sound module 30 according to the operation information of the installation block 11 corresponding to each sound module 30.

The operation information transmitted through the first connection device 12 and the second connection device 37 may be, but not limited to, various types of operation information described below. For example, the operation information may be location information of the installation block 11. The position information of the mounting block 11 refers to the coordinate position of the mounting block 11 on the planar mounting area 10, when each of the sound modules 30 is mounted on the mounting block 11, The sound module 30 can read the position information of the corresponding installation block through the plurality of signal contacts 123, 373, and then each sound module 30 can wirelessly transmit the corresponding installation area The position information of the block 11 is sent to the control host 20. Therefore, the control host 20 can obtain the operating parameters of the installation position of each of the sound modules 30 in the above manner, and the control host 20 can be based on each of the sound modules 30 The position information of the corresponding installation block 11 adjusts the sound signal output to each of the sound modules 30.

According to the present invention, when the sound module 30 is mounted on the mounting plane 10 through the above-mentioned method, the position of the mounting block 11 corresponding to the sound module 30 can be automatically obtained through the first connecting device 12 and the second connecting device 37 Information, and send the location information to the control host 20, so the control host 20 can automatically obtain the operating parameters of each sound module 30 installation location, and according to each sound module 30 installation location The operating parameters of the audio signal output to each of the sound modules 30 are adjusted, so that the sound signals of different channels output by the control host 20 to each of the sound modules 30 can be based on the corresponding sound module The spatial position of the 30 is adjusted so that the sound signals output by the plurality of sound modules 30 can be shaped to have a stereo sound effect or a surround sound effect.

As shown in FIGS. 3 and 7, 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 sound-generating elements used by the sound-generating unit 32 are not limited to the types disclosed in this embodiment, and any structure or space form that can be suitable for the pronunciation unit or sound-generating element mounted on the plane frame 31 can be used by the present invention. use.

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 transmits sound through different shapes or different structures The components make up the sound-generating unit 32, which can make different sound modules 30 have different audio characteristics for corresponding sound signals in different frequency ranges.

As shown in FIGS. 8 and 9, 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 a piezoelectric property 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 used for the film sound-generating element 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. 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 of the present invention can be selected from metal materials, for example, copper (Cu), silver (Ag), chromium (Cr), nickel (Ni), titanium (Ti) and other metal materials, or are conductive Metal oxide (Metal Oxide) film, for example: titanium nitride (TiN), indium tin oxide (ITO) film, etc. 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 two conductive strips 333 of the present invention can be selected as conductive adhesive, 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 body of the electric element 334 has a shape corresponding to the two conductive strips 333, and the width of the two conductive elements 334 is greater than or equal to the width of the two conductive strips 333, so it can cover the two conductive strips 333 with respect to the One side of 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.

In the film sound-generating element 33 of the present invention, since the film substrate 331 is made of a polymer material capable of generating piezoelectric effect, 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 331a of the thin film sound generating unit 30 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. 9, which can be based on actual needs. And designed for other shapes.

As shown in FIG. 10, it is a modified embodiment of the film sound-emitting device 33 of the present invention. The film sound-emitting device 33 disclosed in the embodiment further includes a frame structure 38 for supporting the film substrate 331 so as to at least work 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. Said 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 conductive layers The outer side of 332 to improve 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. 10, since the engaging groove 382a and the engaging flange 381a are perpendicular to the surface of the film substrate 331, respectively, 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, In addition, the material driving the film substrate 331 at the edge of the working area 331a is pulled in the vertical direction, so that the material of the film substrate 331 within the working area 331a is horizontally strained, and the material of the film substrate 331 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-generating 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 Avoid producing abnormal sounds.

As shown in FIG. 1, in addition to being able to install the acoustic module 30 on the planar mounting area 10, the modular planar sound 1 of the present invention can also be equipped with different accessory modules 50 on each mounting block 11. The accessory module 50 has a similar appearance and size to the plane frame 31 of the audio module 30 and is arranged in each mounting block 11 in the same manner. 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.; even the accessory module 50 can also be a tablet touch computer, media Players, wireless base stations, even micro servers, and 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 a sound device for playing music, the modular flat sound 1 of the present invention can also be combined with the sound module 30 and different accessory modules 50 to form part of interior decoration and smart home environment.

[Possible effects of the embodiment]

In summary, the beneficial effect of the present invention is that each audio module 30 is connected to the control host 20 through a wireless connection, so that the plane installation area 10 does not need to be provided with a signal for connecting the audio module 30 and the control host 20 The transmission line, and the control host can adjust the sound signal corresponding to each sound module 30 according to the installation position and audio characteristics of each sound module 30, so the sound effect of the output sound field can be easily adjusted, and the flexibility of its use is improved.

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‧‧‧Modular flat sound

10‧‧‧Plane installation area

11‧‧‧Installation block

30‧‧‧Audio module

31‧‧‧Plane frame

32, 32a, 32b, 32c ‧‧‧ sounding unit

50‧‧‧Accessories Module

60‧‧‧Flat display device

Claims (9)

A modular planar sound, including: a planar installation area, the planar installation area has a plurality of installation blocks; a plurality of sound modules, the plurality of sound modules can be selectively installed in a plurality of installations In the block; a control host, the control host is connected to a plurality of the sound modules through a wireless connection, the control host can output a plurality of sound signals corresponding to the plurality of sound modules, and the The sound signals are respectively transmitted to a plurality of sound modules, and the sound signals are output through the sound modules; each of the sound modules has a plane frame body, and each of the plane frame bodies The shape and size match the shape and size of the plurality of mounting blocks of the plane mounting area, so that the plurality of plane frames can be installed on each mounting block, and each of the plane frames A sound emitting unit is respectively arranged on the front side; wherein each of the installation blocks is respectively provided with a first connection device, and each of the plane frames of the sound module is provided with a second connection device, each of the first Two connecting devices are respectively arranged on the rear side of the plane frame, and each of the second connecting devices is arranged on the plane frame and the first connecting device on each mounting block Corresponding to each other, so that when each of the sound modules is installed on any of the mounting blocks, the second connection device and the first connection device can contact each other to form an electrical connection; wherein, each The first connection device and each of the second connection devices respectively have at least one set of power contacts, and the power contacts of the first connection device are connected to a power supply device, when each of the second When the connection device is connected to the first connection device, the power contact of the second connection device and the power contact of the first connection device form an electrical connection to provide the sound module Required power; wherein the control host has a first communication unit, a plurality of the sound module group Do not have a second communication unit, a plurality of the sound modules are connected to the first communication unit of the control host through the second communication unit in a wireless connection manner; each of the first connection devices And each of the second connection devices further has a plurality of signal contacts, and when each of the sound modules is installed on the installation block, the second connection device of each of the sound modules A plurality of the signal contacts of the first connection device on the corresponding installation block can be in contact with each other, so that the installation block can pass through the first connection device and the second connection device A plurality of the signal contacts transmit an operation message to the sound module; the operation message includes position information of the mounting block corresponding to each sound module, the sound module passes A plurality of the signal contacts read the location information of the corresponding installation block and send the location information of the corresponding installation block to the control host for the control host The sound signal output to each sound module is adjusted according to the position information of the installation block corresponding to each sound module. The modular planar sound according to claim 1, wherein the sound-generating unit has one or a combination of a thin-film sound-emitting element, an electrostatic sound-emitting element, and a moving-coil sounding monomer. The modular planar sound according to claim 2, wherein the film sound-generating element comprises: a film substrate, the film substrate has opposite upper and lower sides, and the upper side of the film substrate is The lower side can respectively define at least one working area; two conductive layers, which 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 of the working regions The upper side and the lower side in the area; two conductive strips, the two conductive strips are respectively disposed on opposite sides of the film substrate Two conductive strips facing each other and disposed on the side of the film substrate along the edges of at least one of the working areas; and two conductive elements, the two conductive elements are respectively disposed on the two conductive strips opposite On one side of the film substrate, the two conductive elements have shapes corresponding to the two conductive strips, and cover and contact one side of the two conductive strips relative to the film substrate; the two conductive elements They are electrically connected to a source signal respectively. The modular planar sound according to claim 3, wherein the film sound-generating element is flatly arranged on the front side of the planar frame. The modular planar sound of claim 4, wherein the film substrate is a polyvinylidene fluoride (PVDF) film, and the two conductive layers are metal films or metal oxide films. The modular planar sound of claim 5, wherein two of the conductive strips are conductive adhesives, or metal conductor layers disposed on the surfaces of the two conductive layers by electroplating. The modular planar sound of claim 6, 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 body and an upper frame body, the upper frame body and the lower frame body are arranged 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 film substrate Side and bottom sides, to fix the film substrate; wherein the side of the lower frame facing the film substrate has a top surface, a groove in the center of the top surface, the upper frame facing the One side of the film substrate has a bottom surface, the bottom surface has an engaging flange corresponding to the engaging groove, and the engaging flange is clamped when the upper frame body and the lower frame body are relatively clamped It can be engaged in the clamping groove, and the material at the position of the film base corresponding to the clamping flange and the clamping groove can be pressed into the clamping groove, and the film base can be made The material corresponds to the material at the position of the engaging flange and the engaging groove to form an uneven shape corresponding to the engaging flange and the engaging groove. The modular flat sound according to claim 2, wherein each of the installation blocks is provided with a first connection device, and each of the sound modules is provided with a first Two connection devices, the second connection device is disposed at a position corresponding to the rear side of the planar frame and the first connection device, so that when the sound module is installed on the installation block, The second connection device can be in contact with the first connection device; wherein the first connection device is connected to a power source, the first connection device and the second connection device have at least one set of power contacts, To enable the power provided by the power source to be conducted to the sound module through the power contact. The modular flat sound according to claim 8, wherein the front side of the flat frame is further provided with a display device for displaying the operation state of the sound module.

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