CN113747290A

CN113747290A - Multifunctional integrated loudspeaker box and sound system

Info

Publication number: CN113747290A
Application number: CN202111050556.8A
Authority: CN
Inventors: 林龙辉; 王立铭
Original assignee: XIAMEN PARTYHOUSE ELECTRONICS CO Ltd
Current assignee: XIAMEN PARTYHOUSE ELECTRONICS CO Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-12-03

Abstract

The invention discloses a multifunctional integrated sound box which comprises a shell, a circuit board, a plurality of sound box sockets, a plurality of input interfaces and a plurality of loudspeakers, wherein the circuit board is installed in the shell and integrates the functions of power amplification, Dolby decoding and karaoke, the sound box sockets are embedded on the back surface of the shell and connected with corresponding sound output channels of the circuit board and used for being connected with external sound boxes, the input interfaces are embedded on the back surface of the shell and electrically connected with the circuit board and used for being connected with external sound sources, and the loudspeakers are embedded on the front surface of the shell and connected with corresponding sound output channels of the circuit board. The invention also discloses a sound system which comprises the multifunctional integrated sound box and a plurality of embedded sound boxes. The invention integrates the circuit board and the loudspeaker together, occupies small space, can increase and decrease external sound boxes according to the needs, has strong flexibility and complete functions, and can meet the audio and video requirements of various families.

Description

Multifunctional integrated loudspeaker box and sound system

Technical Field

The invention relates to the field of sound equipment, in particular to a multifunctional integrated sound box and a sound system.

Background

The sound system is a sound system which is formed by converting sound wave signals of original sound production field sounds into electric signals by a microphone, processing the electric signals by some electronic equipment according to certain requirements, and finally converting the electric signals into the sound wave signals by a loudspeaker for reproduction.

The existing sound system generally comprises an independent power amplifier unit, a Dolby decoding unit, a sound box and the like, the existing sound system is very troublesome because the existing sound system needs to be connected through various special cables, and occupies a large space, so that the attractiveness and the comfort of a living room can be influenced for the living room with a small space.

Disclosure of Invention

The invention aims to provide a multifunctional integrated sound box to solve the problems. Therefore, the invention adopts the following specific technical scheme:

according to an aspect of the present invention, there is provided a multifunctional integrated speaker, which may include a housing, a circuit board mounted in the housing and integrated with power amplification, dolby decoding, and karaoke functions, a plurality of speaker sockets embedded on a back surface of the housing and connected with corresponding sound output channels of the circuit board for connecting external speakers, a plurality of speakers embedded on a front surface of the housing and connected with corresponding sound output channels of the circuit board, and a plurality of speakers.

Further, the input interface may include an HDMI interface, an audio interface, a microphone interface, an instrument interface, and the like.

Furthermore, the multifunctional integrated sound box further comprises a wireless microphone module, and the wireless microphone module is electrically connected with the circuit board and used for being connected with a wireless microphone.

Furthermore, heat dissipation windows are arranged on two sides of the back face of the shell, and a heat dissipation fan is arranged beside the heat dissipation window close to the power amplifier circuit.

Further, the quantity of loudspeaker is 3, including loudspeaker with be located two woofers on loudspeaker both sides, 3 loudspeaker sharing box.

According to another aspect of the present invention, there is also provided a sound system, including the multifunctional integrated sound box and a plurality of embedded sound boxes, where the embedded sound boxes are embedded in the corresponding sound box sockets of the multifunctional integrated sound box and are installed on the wall, and each embedded sound box includes an embedded box, a sound box main body, and a sound-transparent panel, the embedded box is used to be fixed and embedded in the wall in advance, the sound box main body is embedded in the embedded box, and the sound-transparent panel is fastened to the sound box main body and covers the sound box main body.

Furthermore, the left inner side and the right inner side of the embedded box are respectively provided with a fixing column, a fixing screw hole is formed in each fixing column, a groove extending downwards is formed in the corresponding outer side of each embedded box, and the fixing holes are communicated with the grooves to allow screws to pass through.

Further, embedded audio amplifier still includes LED lamp strip, LED lamp strip is installed in the audio amplifier main part for along with the broadcast sound sends the light of different colours.

Further, the sound box main body comprises a base and a top cover, wherein a flange is arranged at the upper end of the base and provided with a first through hole aligned with the fixing screw hole, and the top cover is detachably mounted on the base and provided with a second through hole aligned with the first through hole.

Further, seted up a loudspeaker mouth and two on the top cap and located the woofer opening on loudspeaker mouth both sides, loudspeaker and woofer are fixed on the inboard of top cap and accept respectively loudspeaker mouth with in the woofer opening.

By adopting the technical scheme, the invention has the beneficial effects that: the circuit board and the loudspeaker are integrated together, the occupied space is small, the external sound boxes can be increased and decreased as required, the flexibility is high, the functions are complete, and various household audio and video requirements can be met.

Drawings

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

Fig. 1 is a front perspective view of the multifunctional integrated speaker of the present invention;

fig. 2 is a rear perspective view of the multifunctional integrated speaker shown in fig. 1;

FIG. 3 is an exploded view of the multifunctional integrated speaker shown in FIG. 1;

FIG. 4 is a front perspective view of the recessed audio enclosure of the present invention;

FIG. 5 is a rear perspective view of the recessed audio enclosure shown in FIG. 4;

FIG. 6 is an exploded view of the recessed audio enclosure shown in FIG. 4;

FIG. 7 is a perspective view of the base of the built-in speaker shown in FIG. 4;

fig. 8 is a perspective view of a top cover of the built-in type speaker shown in fig. 4.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in FIGS. 1-3, the multifunctional integrated sound box 1 of the present invention may comprise a housing 11, a circuit board 12, a sound box socket 13,

speakers

141 and 142, and a plurality of

input interfaces

151 and 154. The housing 11 is a rectangular box, which may be assembled by sheet metal plates. That is, the housing 11 includes a front plate (front surface) 111, a rear plate (rear surface) 112, a base 113, and a top cover 114. Three

horns

141 and 142 are embedded in the middle of the front plate 111. The three

speakers

141 and 142 share one case 115 and are connected to the respective sound output channels of the circuit board 12. The three speakers include a tweeter 141 and two woofers 142 located on opposite sides of the tweeter 141. The case 115 may be made of wood. The case 115 and the front plate 111 may be fixed together by screws. The rear plate 112 is embedded with four speaker sockets 13 and a plurality of input interfaces 15. The loudspeaker socket 13 is connected with a corresponding sound output channel of the circuit board 12. Each speaker receptacle 13 may be connected to an external speaker (e.g., surround, front, center, and top speakers, etc.) to form a sound system with surround sound effects. Preferably, the external sound box is an embedded sound box to reduce the occupied space. The

input interface

151 and 154 are connected to the circuit board 12 for connecting an external sound source, such as a microphone, a musical instrument, a television, etc. The circuit board 12 is mounted in the housing 1 and integrates functions of power amplification, dolby decoding, karaoke, and the like. Circuit board 12 mounts the android system. The circuit board 12 may be designed in one or more pieces. In this embodiment, the circuit board 12 is designed into three pieces, wherein the power supply and power amplifier module can be designed into one circuit board, which is located on the left side; the Dolby decoding module can be designed on another circuit board, and other modules such as an input interface and the like can be designed on another circuit board, and the two circuit boards are positioned on the right side and arranged up and down. The circuit boards can be connected through corresponding plug wires.

Specifically, the input interface may include a plurality (4 shown) of HDMI interface 151, audio interface 152, microphone interface 153, musical instrument interface 154, and the like. With the HDMI interface 151 connected to a display device (e.g., a television, a projector, or the like), high-definition video output can be realized. The HDMI interface 151 has an OSD extension function, so that the user operation menu can be directly displayed on the screen. In addition, a USB interface 155, an optical fiber interface 156, an RS232 interface 157, and a coaxial interface 158 electrically connected to the circuit board 12 are provided on the rear plate (back surface) 112. The USB interface 155 serves as a communication interface, and can be connected to an intelligent terminal (a notebook computer, etc.) to perform parameter setting, system and firmware version upgrading, etc. Fiber interface 156, RS232 interface 157, and coaxial interface 158 may serve as input ports for digital sound. It should be understood that the interface arrangement on the back plate 112 is not limited to the illustrated embodiment, and may be increased or decreased as desired.

In this embodiment, the multifunctional integrated sound box 1 may further include a display screen 16, and the display screen 16 is disposed above the tweeter 141 for displaying the operating state of the multifunctional integrated sound box 1. The display screen 16 may be a liquid crystal screen, an LED screen, or an LCD screen. In addition, the multifunctional integrated speaker 1 may further include a wireless microphone module 17, and the wireless microphone module 17 is mounted on the front plate 111 and electrically connected to the circuit board 12.

The front panel 111 is also covered with a decorative layer 116 for aesthetic purposes. The decoration layer 116 may be cloth or iron net coated with rust-proof paint, etc.

In order to facilitate heat dissipation, heat dissipation windows 1121 are disposed on two sides of a back surface (back plate) 112 of the housing 11, and a heat dissipation fan 17 is disposed near the heat dissipation window 1121 (i.e., the left heat dissipation window) of the power supply and power amplifier circuit.

As shown in fig. 4-8, the embedded sound box 2 of the present invention may include an embedded box 21, a sound box main body 22, an LED light bar 23, and an acoustically transparent panel 24. The embedded box 21 is a rectangular parallelepiped structure with an open top, and has an inner cavity capable of receiving the main body 22 of the sound box, and a plurality of (8 shown, 2 on each side) wire passing holes 211 are formed in the side wall of the embedded box for passing through the connecting wires of the sound box. Preferably, the wire passing holes 211 are closed with corresponding dummy insertion plates 212. When threading is required, the dummy insertion plate 212 may be removed (poked away) with a finger or by a tool such as a screwdriver. The embedded box 21 can be pre-fixed and embedded on the wall and penetrate through the corresponding loudspeaker box connecting wire (not shown). LED lamp strip 23 installs in audio amplifier main part 22, can be along with the light that broadcast sound sent different colours, builds the integrative atmosphere of reputation, has improved user experience greatly and has felt. During the installation, connect the audio amplifier connecting wire to audio amplifier main part 22 earlier, then install audio amplifier main part 22 embedding in the inner chamber of pre-buried box 21, at last with the panel 24 lock joint of penetrating sound on audio amplifier main part 22 again, make it cover audio amplifier main part 22. The whole installation process is very simple, no tool is needed, the installation process is greatly simplified, and the installation efficiency is improved. Meanwhile, the sound box main body 22 is embedded into the embedded box 21, so that the sound quality is not affected.

It should be understood that in some embodiments, recessed audio enclosure 2 is without LED light bar 23.

The embedded box 21 may be fixed in a hole of a wall surface by a screw (e.g., a self-tapping screw). Specifically, the left and right inner sides of the embedded box 21 are respectively provided with a fixing column 213, and the fixing column 213 is provided with a fixing screw hole 2141. Preferably, the fixing screw holes 2141 are provided by metal nuts 214 embedded on the fixing posts 213. The embedded box 21 has a groove 215 extending downward on the outer side corresponding to the fixing post 213, and the fixing screw hole 2141 opens into the groove 215 for passing a screw. Preferably, the fixed column 213 is a circular arc column (i.e., substantially cylindrical). Accordingly, the groove 215 is a circular arc groove.

Preferably, the embedded box 21 can be integrally formed by plastic injection molding, so that the mass production is facilitated and the cost is reduced.

The enclosure body 22 may include a base 221, a top cover 222, a circuit board (PCB)223, two woofers 224 and one tweeter 225. Base 221 and top cover 222 are removably secured together to form an enclosed chamber that houses LED light bar 23, circuit board (PCB)223, woofer 224 and tweeter 225. Specifically, the upper end of the base 221 has a flange 2211, and the flange 2211 allows the base 221 to be fastened to the wall beyond the embedded box 21. The flange 2211 is provided with four first fixing holes 2212 and first through holes 2213 aligned with the fixing screw holes 2121. The top cover 222 has a second fixing hole 2221 and a second through hole 2222 aligned with the first fixing hole 2212 and the first through hole 2213, respectively. The base 221 and the top cover 222 are fixed together by screwing into the first fixing hole 2212 and the second fixing hole 2221, and fixed together by screwing into the fixing screw hole 2121 through the first through hole 2213 and the second through hole 2222 and the embedded box 21. In the present embodiment, the first and second fixing

holes

2212 and 2221 are screw holes, and the first and second through

holes

2213 and 2222 are kidney-shaped holes. In addition, the top opening 2214 of the base 221 is upwardly projectedly engaged in the inside recess 2223 of the top cover 222 for positioning. A plurality of (8 shown) first limiting columns 2215 are arranged in the base 221, a plurality of (8 shown) second limiting columns 2224 aligned with the first limiting columns 2215 are arranged on the inner side of the top cover 222, and the first limiting columns 2215 and the second limiting columns 2224 can enhance the overall strength of the sound box body on one hand and separate components (specifically, two woofers 224 and one tweeter 225) in the base 221 on the other hand.

A tweeter mouth 2225 and two woofer openings 2226 on opposite sides of the tweeter mouth 2225 are formed in the top cover 222, and a tweeter 225 and a woofer 224 are secured to the inside of the top cover 222 and received in the tweeter mouth 2225 and the woofer opening 2226, respectively.

In this embodiment, the LED light bar 23 is in a square frame shape and is installed at the top opening of the base 221. Specifically, a plurality of support bars 2216 are arranged in the base 221 along the inner wall, each support bar 2216 is provided with a corresponding bayonet 22161, and the LED light bar 3 is supported in the buckles 22161 and corresponding limit blocks 226 are inserted between four corners and the inner wall of the base 221 so as to prevent the LED light bar 23 from loosening.

In this embodiment, the bottom of the base 221 is opened with a connection terminal opening 2217, and the circuit board 223 is provided with a screw-free connection terminal 2231, and the connection terminal 2231 is received in the connection terminal opening 2217 to facilitate the connection of the speaker connection line.

In order to facilitate the installation of the sound-transmitting panel 24, the top cover 222 is provided with a slot 2227, and the sound-transmitting panel 24 is clamped in the slot 2227. Preferably, the acoustically transparent panel 24 may include a frame and a cloth secured to the frame.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a multi-functional integrated audio amplifier, its characterized in that, includes casing, circuit board, a plurality of audio amplifier socket, a plurality of input interface and a plurality of loudspeaker, the circuit board is installed in the casing and integrated have power amplifier, dolby decoding and karaoke function, the audio amplifier socket inlays to be established on the back of casing and with the corresponding sound output channel of circuit board is connected for connect outside audio amplifier, the input interface inlays to be established on the back of casing and with the circuit board electricity is connected for connect outside sound source, loudspeaker inlay to be established on the front of casing and with be connected to the corresponding sound output channel of circuit board.

2. The multifunctional integrated speaker of claim 1, wherein the input interface comprises an HDMI interface, an audio interface, a microphone interface, and a musical instrument interface.

3. The multifunctional integrated speaker of claim 1, further comprising a wireless microphone module electrically connected to the circuit board for connecting a wireless microphone.

4. The multifunctional integrated speaker as claimed in claim 1, wherein heat dissipation windows are formed at both sides of the back surface of the housing, and a heat dissipation fan is disposed near the heat dissipation windows of the power supply and power amplifier module of the circuit board.

5. The multifunctional integrated speaker of claim 1, wherein the number of the speakers is 3, and the speaker comprises a tweeter and two woofers located at both sides of the tweeter, and the 3 speakers share one housing.

6. A sound system, comprising the multifunctional integrated sound box and a plurality of embedded sound boxes according to any one of claims 1 to 5, wherein the embedded sound box is embedded in a wall and connected to a corresponding sound box socket of the multifunctional integrated sound box through a connecting wire, the embedded sound box comprises an embedded box, a sound box main body and a sound-transmitting panel, the embedded box is used for being fixed in advance and embedded in the wall, the sound box main body is embedded in the embedded box, and the sound-transmitting panel is buckled on the sound box main body and covers the sound box main body.

7. The sound system as claimed in claim 6, wherein the left and right inner sides of the embedded box are respectively provided with a fixing post, the fixing post is provided with a fixing screw hole, the corresponding outer side of the embedded box is provided with a groove extending downwards, and the fixing hole is communicated with the groove for a screw to pass through.

8. The sound system of claim 6, wherein the built-in speaker further comprises an LED light bar mounted in the speaker body for emitting light of different colors in response to the playing sound.

9. The sound system as set forth in claim 8, wherein said cabinet body includes a base having a flange at an upper end thereof, said flange being provided with a first through hole aligned with said fixing screw hole, and a top cover detachably mounted on said base and having a second through hole aligned with said first through hole.

10. A sound system as set forth in claim 9, characterized in that said top cover defines a tweeter mouth and two woofer openings on opposite sides of said tweeter mouth, the tweeter and woofer being secured to the inside of said top cover and received in said tweeter mouth and said woofer openings, respectively.