WO2018058997A1

WO2018058997A1 - Networked speakers and system thereof

Info

Publication number: WO2018058997A1
Application number: PCT/CN2017/087148
Authority: WO
Inventors: 黄新; 陈辉萍; 张文彬; 汪序凯; 朱荆莲; 彭灵; 俞伟良; 钟城广; 肖胜男; 王炳锋; 黄睿; 陈海裕; 郭光立; 黄广亮; 陈进银; 张燕; 唐志元; 王岩
Original assignee: 深圳佳比泰智能照明股份有限公司
Priority date: 2016-09-27
Filing date: 2017-06-05
Publication date: 2018-04-05
Also published as: CN206212246U

Abstract

Disclosed are networked speakers and a system thereof. The networked speakers comprise: a frequency-modulation transmitting circuit; a first power amplifier circuit electrically connected to the frequency-modulation transmitting circuit; an audio output circuit electrically connected to the frequency-modulation transmitting circuit and the first power amplifier circuit; and a wireless audio device electrically connected to the audio output circuit. The invention realizes a networking function between multiple speakers by means of a wireless control technique and frequency modulation, thereby improving user experience, and achieving a variety of control functions for smart home appliances.

Description

Specification Name of Invention: A Networking Audio System and System Therefor

[0001] The present invention relates to the field of networking audio technologies, and in particular, to a networking audio system and a system thereof.

Background technique

[0002] With the popularity of audio technology, more and more audio has entered people's lives. At present, the technology of remote home audio through smart home is relatively mature, but this kind of remote control technology has weak anti-interference ability, inconvenient networking, and high reliability. Moreover, in the prior art, it is difficult to realize a networking function between a plurality of sounds.

technical problem

[0003] An object of the present invention is to provide a networked audio system and a system thereof, which solves the problem of weak anti-interference ability of the remote control technology in the prior art, inconvenient networking, high reliability, and difficulty in realizing networking functions between multiple audio systems. The problem.

Problem solution

Technical solution

[0004] The technical solution of the present invention is implemented as follows:

[0005] The present invention provides a networking audio, including:

[0006] an FM transmitting circuit;

[0007] a first power amplifier circuit electrically connected to the frequency modulation transmitting circuit;

[0008] an audio output circuit electrically connected to the FM transmitting circuit and the first power amplifier circuit;

[0009] An audio wireless device is electrically connected to the audio output circuit.

[0010] In the networking audio of the present invention, the FM transmission circuit includes:

[0011] a transmitting sub-circuit electrically connected to the first power amplifier circuit and the audio output circuit;

[0012] The frequency setting sub-circuit is electrically connected to the transmitting sub-circuit.

[0013] In the networking audio of the present invention, the transmitting subcircuit includes:

[0014] a transmitting antenna;

[0015] The first processor is electrically connected to the transmitting antenna.

[0016] In the networking audio of the present invention, the frequency setting sub-circuit includes: [0017] a second processor electrically connected to the first processor;

[0018] The frequency switching component is electrically connected to the second processor.

[0019] In the networking audio of the present invention, the first power amplifier circuit includes:

[0020] a power amplifier processor electrically connected to the FM transmitting circuit and the audio output circuit;

[0021] The sound is electrically connected to the power amplifier processor.

[0022] In the networking audio of the present invention, the audio output circuit includes an audio jack; the audio jack includes a transmit jack, a receive jack, a mute jack, a left channel jack, and a right channel jack; The channel jack and the right channel jack are electrically connected to the first power amplifier circuit and the frequency modulation transmitting circuit.

[0023] In the networking audio device of the present invention, the audio wireless device includes an audio housing, a transmitting interface, a receiving interface, a mute interface, a left channel interface, a right channel interface, and a wireless audio antenna; The transmitting interface, the left channel interface, and the right channel interface are disposed on the surface of the audio housing, and the receiving interface, the mute interface, and the wireless audio antenna are disposed inside the audio housing; the transmitting interface is connected to the a transmitting jack, the receiving interface is connected to the receiving jack, the mute interface is connected to the mute jack, the left channel interface is connected to the left channel jack, and the right channel interface is connected to the right channel Road socket.

[0024] In the networking audio of the present invention, the power circuit is further included; the power circuit includes:

[0025] an AC input terminal for accessing an alternating current;

[0026] an AC-DC step-down circuit electrically connected to the AC input terminal;

[0027] The first DC voltage stabilizing circuit has an input terminal electrically connected to the AC-DC step-down circuit, and an output end thereof is electrically connected to the FM transmitting circuit to output a first DC voltage;

[0028] a second DC voltage stabilizing circuit for outputting a second DC voltage, wherein an input end thereof is electrically connected to the AC-DC step-down circuit, and an output end thereof is electrically connected to the first power amplifier circuit and the The audio wireless device outputs a second DC voltage.

[0029] In the networking audio of the present invention, the audio output circuit further includes a DC step-down circuit; the input end of the DC step-down circuit is electrically connected to the second DC voltage regulator circuit;

[0030] The audio jack further includes a power socket, and an output end of the DC step-down circuit is electrically connected to the audio wireless device by the power socket.

[0031] In another aspect, a network audio system is provided, including: [0032] networking sound as described above;

[0033] one or more sub-audios connected to the network audio through frequency modulation; each of the sub-audios includes: an FM radio circuit and a second power amplifier circuit electrically connected to the FM radio circuit.

[0034] In the networking audio system of the present invention, the FM radio circuit includes:

[0035] a receiving antenna;

[0036] a radio processor, electrically connected to the second power amplifier circuit and the receiving antenna;

[0037] The frequency selective potentiometer is electrically connected to the radio frequency processor.

Advantageous effects of the invention

Beneficial effect

[0038] Therefore, the beneficial effects of the present invention are that the networking function between multiple sounds is realized by the wireless control technology and frequency modulation, thereby improving the life experience of the people and diversifying the smart home control functions.

Brief description of the drawing

DRAWINGS

[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a block diagram of a module for providing a network audio according to the present invention;

2 is a schematic structural diagram of a networking audio according to an embodiment of the present invention;

3 is a schematic structural diagram of a power supply circuit according to an embodiment of the present invention;

4 is a schematic structural diagram of a networking sound system provided by the present invention;

FIG. 5 is a schematic structural diagram of a sub-audio according to an embodiment of the present invention.

Embodiments of the invention

[0045] In order to more clearly understand the technical features, objects and effects of the present invention, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the following description is only illustrative of the embodiments of the present invention and should not be construed as limiting the scope of the invention.

[0046] The present invention provides a networking audio system and a system thereof, the purpose of which is to realize a networking function between multiple audios through wireless control technology and frequency modulation, thereby improving people's life experience and diversifying smart home control functions. . 1 is a block diagram of a networking audio 100 provided by the present invention. The network audio 100 includes an FM transmitting circuit 1, a first power amplifier circuit 2, an audio output circuit 3, and an audio wireless device 4. And a power supply circuit 5.

Referring to FIG. 2, FIG. 2 is a schematic structural diagram of a networking audio 100 according to an embodiment of the present invention. In the figure, the FM transmitting circuit 1 includes a transmitting sub-circuit 11 and a frequency setting sub-circuit 12. The transmitting sub-circuit 11 is electrically connected to the first power amplifier circuit 2 and the audio output circuit 3; and the frequency setting sub-circuit 12 is electrically connected to the transmitting sub-circuit 11.

[0049] The transmitting sub-circuit 11 includes a transmitting antenna 111 and a first processor 112. The transmitting antenna 111 is R F-ANT in the figure, and its frequency modulation frequency is FM _: 87.5-110 MHz. The first processor 112 is electrically connected to the transmitting antenna 111. The first processor 112 is U8 in the figure, and the RF-OUT terminal of U8 is connected to the transmitting antenna 111.

[0050] The frequency setting sub-circuit 12 includes a second processor 121 and a frequency switching component 122. The second processor 12 is electrically connected to the first processor 112; the second processor 121 is U9 in the figure, the model is LY-MC U, and the PA7 end of the U9 is connected to the SDL end of the U8, U9 The PA3 terminal is connected to the SDA terminal of U8, and the PA4 terminal of U9 is connected to the SW1 terminal of U8. The frequency switching component 122 is electrically connected to the second processor 121. The frequency switching component 122 includes switches S1 and S2, wherein, referring to the table in the figure, when both S1 and S2 are disconnected, that is, the values of S1 and S2 are 0吋, the generated radio frequency signal (ie, RF) is fl, That is, the transmission frequency; when S1 is broken (value is 0), S2 is closed (value is 1) 吋, the generated RF signal is f2; when SI is closed (value is 1), S2 is broken (value is 0) 吋, The generated RF signal is f3; when both SI and S2 are closed, the generated RF signal is f4. U9 can control the transmission signal of the transmitting antenna 111 according to the frequency modulation signal.

[0051] The first power amplifier circuit 2 is electrically connected to the frequency modulation transmitting circuit 1; the first power amplifier circuit 2 includes a power amplifier processor 21 and an audio unit 22. The power amplifier processor 21 is U7 in the figure, and is electrically connected to the FM transmitting circuit 1 and the audio output circuit 3, and is specifically connected to the INL and INR terminals of the U8 through the IN+ end thereof; the acoustic 22 is electrically connected to the The power amplifier processor 21, the audio 22 is SP1 in the figure, which is connected to the OUT+ and OUT- terminals of U7.

[0052] The audio output circuit 3 is electrically connected to the FM transmitting circuit 1 and the first power amplifier circuit 2; the audio output circuit 3 includes an audio socket 31 and a DC step-down circuit 32; The BLE2 includes a transmit jack TX, a receive jack RX, a mute jack MUTE, a left channel jack LIN, a right channel jack RIN, and a +3.6V power jack; the left channel jack LIN and the right channel The RIN socket is electrically connected to the IN+ end of the U7 of the first power amplifier circuit 2 and the INL and INR of the U8 of the FM transmitting circuit 1 end. The transmit jack TX is connected to the peripheral transmit function button, the receive jack RX is connected to the peripheral's receive function button, and the mute jack MUTE is connected to the peripheral's mute function button. The DC step-down circuit 32 is used to step down the +5V DC voltage to a +3.6V DC voltage. The input end is electrically connected to the second DC voltage regulator circuit 54 to access the +5V voltage; the output end of the DC step-down circuit 32 is electrically connected to the audio wireless device 4 by the power socket Output +3.6V voltage. Specifically, the DC step-down circuit 32 includes a processor U6, and the model number of the U6 is SI6001, and the two terminals are connected to the +5V voltage, and the three terminals output the +3.6V voltage.

[0053] The audio wireless device 4 for receiving an audio control signal by wireless is electrically connected to the audio output circuit 3. The audio wireless device 4 may be an audio Bluetooth device, a wifi device or the like, preferably an audio Bluetooth device, receiving an external audio signal through the audio wireless device 4 and forwarding to the first power amplifier circuit 2 and the frequency modulation transmitting circuit 1, which includes an audio shell The body 41, the transmitting end 42, the receiving end 43, the muting end 44, the left channel end 45, the right channel end 46 and the wireless audio antenna 47; wherein, the transmitting end 42, the receiving end 43, the mute end 44, the left The channel end 45, the right channel end 46 and the wireless audio antenna 47 are both disposed on the surface of the audio housing 41; the transmitting end 42 is connected to the transmitting jack TX, and the receiving end 43 is connected to the receiving jack RX. The mute end 44 is connected to the mute jack MUTE, the left channel end 45 is connected to the left channel jack LI N , and the right channel end 46 is connected to the right channel jack RIN. In addition, the audio wireless device 4 further includes a wireless signal processor connected to the transmitting end 42, the receiving end 43, the muting end 44, the left channel end 45, the right channel end 46, and the wireless audio antenna 47, wirelessly The signal processor is disposed inside the audio housing 41.

Referring to FIG. 3, FIG. 3 is a schematic structural diagram of a power supply circuit 5 according to an embodiment of the present invention. The power supply circuit 5 includes an AC input terminal 51, an AC-DC step-down circuit 52, and a first DC voltage stabilization circuit. 53 and a second DC voltage regulator circuit 54. The AC input 51 is used to access 100-240V AC. An AC-DC step-down circuit 52 is electrically connected to the AC input terminal 51. The input end of the first DC voltage regulator circuit 53 is electrically connected to the AC-D C step-down circuit 52, and the output end thereof is electrically connected. The FM transmitting circuit 1 outputs a first DC voltage of +5 V; the second DC voltage stabilizing circuit 54 is configured to output a second DC voltage, and an input end thereof is electrically connected to the AC-DC step-down circuit 52, The output end is electrically connected to the first power amplifier circuit 2 and the audio wireless device to output a second DC voltage of +3.3V.

Referring to FIG. 4, FIG. 4 is a schematic structural diagram of a networked audio system 10 according to the present invention. The networked audio system 10 includes the networked audio 100 as described above and one or more connected to the Network audio 10 0 sub-sound 200. In this way, the external audio control signal is received wirelessly through the networking audio 100, and the audio 22 is controlled by the audio control signal to play the content, and is transmitted to each sub-audio 200 through the FM transmitting circuit 1 of the networking audio 100. After receiving the audio control signal, the audio 200 plays with the network audio 100. The audio control signals of the eve can be transmitted through various intelligent terminals, and the smart terminals only need to install the corresponding APP to wirelessly connect to the set of network audio 100.

5 is a schematic structural diagram of a sub-audio 200 according to an embodiment of the present invention. Each of the sub-audio 200 includes an FM radio circuit 201 and a first electrical connection with the FM radio circuit 201. Two power amplifier circuits 202. The FM radio circuit 201 includes a receiving antenna 2011, a radio processor 2012, and a frequency selective potentiometer 2013.

[0057] The receiving antenna 2011 is the FM-ANT in the figure. The radio processor 2012 is U10 in the figure, and is electrically connected to the second power amplifier circuit 202 and the receiving antenna 2011. Specifically, the GND5 terminal of the U10, the LDOC AP terminal, the FMIN terminal, and the like are connected to the receiving antenna 2011. The frequency selective potentiometer 2013 is the PVR1 in the figure, which is electrically connected to the VREF-N terminal, the VOL terminal and the VREF-P terminal of the radio processor. The second power amplifier circuit includes a processor Ul 1 and an audio SP2, and the sound SP2 is connected to the OUT+ terminal and the OUT terminal of the Ul 1 .

[0058] Various operations of the embodiments are provided herein. In one embodiment, the one or operations may constitute computer readable instructions stored on a computer readable medium that, when executed by an electronic device, will cause the computing device to perform the operations. The order in which some or all of the operations are described should not be construed as implying that the operations must be sequential. Those skilled in the art will appreciate alternative rankings that have the benefit of this specification. Moreover, it should be understood that not all operations must be present in every embodiment provided herein.

Moreover, the word "preferred" as used herein is intended to serve as an example, instance, or illustration. Any aspect or design described as "preferred" by the text is not necessarily to be construed as being more advantageous than other aspects or designs. Instead, the use of the word "preferred" is intended to present concepts in a specific manner. The term "or" as used in this application is intended to mean "or" or "exclud". That is, "X uses A or B" means naturally including any one of the permutations unless otherwise specified or clear from the context. That is, if X uses A; X uses B; or X uses both A and B, then "X uses A or B" is satisfied in any of the preceding examples.

[0060] Moreover, while the present disclosure has been shown and described with respect to the embodiments of the invention, This public bag All such modifications and variations are included and are only limited by the scope of the appended claims. With particular regard to various functions performed by the above-described components (e.g., components, resources, etc.), the terms used to describe such components are intended to correspond to the specified functions of the components (e.g., they are functionally equivalent). Any component (unless otherwise indicated) is not equivalent in structure to the public structure of the functions in the exemplary implementations of the present disclosure shown herein. Moreover, although specific features of the present disclosure have been disclosed with respect to only one of several implementations, such features may be associated with one or other implementations as may be desirable and advantageous for a given or particular application. Other feature combinations. Furthermore, the terms "comprising", "having", "comprising" or "comprising" or "comprising" are used in the context of a particular embodiment or claim, such terms are intended to be encompassed in a manner similar to the term "comprising."

[0061] Each functional unit in the embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. The integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium. The above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like. Each of the above-described devices or systems can perform the method in the corresponding method embodiment.

In the above, although the present invention has been disclosed in the above preferred embodiments, the preferred embodiments are not intended to limit the present invention, and those skilled in the art, without departing from the spirit and scope of the invention, Various changes and modifications may be made, and the scope of the invention is defined by the scope of the claims.

Claims

Claim

A networking sound, characterized in that:

Frequency modulation transmitting circuit;

a first power amplifier circuit electrically connected to the frequency modulation transmitting circuit;

The audio output circuit is electrically connected to the FM transmitting circuit and the first power amplifier circuit; and the audio wireless device is electrically connected to the audio output circuit.

The network audio system according to claim 1, wherein the FM transmission circuit comprises:

The transmitting sub-circuit is electrically connected to the first power amplifier circuit and the audio output circuit; and the frequency setting sub-circuit is electrically connected to the transmitting sub-circuit.

The networking sound according to claim 2, wherein said transmitting subcircuit comprises a transmitting antenna;

The first processor is electrically connected to the transmitting antenna.

The networking sound according to claim 3, wherein the frequency setting sub-circuit comprises:

a second processor electrically connected to the first processor;

The frequency switching component is electrically connected to the second processor.

The networking sound according to claim 1, wherein the first power amplifier circuit comprises:

The power amplifier processor is electrically connected to the FM transmitting circuit and the audio output circuit; and is electrically connected to the power amplifier processor.

The audio system of claim 1 , wherein the audio output circuit comprises an audio jack; the audio jack comprises a transmit jack, a receive jack, a mute jack, a left channel jack, and a right channel jack; The left channel jack and the right channel jack are electrically connected to the first power amplifier circuit and the frequency modulation transmitting circuit.

The networking audio device according to claim 6, wherein the audio wireless device comprises an audio housing, a transmitting interface, a receiving interface, a mute interface, a left channel interface, and a right channel. The interface and the wireless audio antenna; wherein the transmitting interface, the left channel interface, and the right channel interface are disposed on the surface of the audio housing, and the receiving interface, the mute interface, and the wireless audio antenna are disposed inside the audio housing The transmitting interface is connected to the transmitting jack, the receiving interface is connected to the receiving jack, the mute interface is connected to the mute jack, and the left channel interface is connected to the left channel jack, the right A channel interface is connected to the right channel jack.

The networking sound according to claim 7, further comprising a power supply circuit; said power supply circuit comprising:

An AC input for accessing an alternating current;

An AC-DC step-down circuit electrically connected to the AC input terminal; a first DC voltage stabilizing circuit, wherein an input end thereof is electrically connected to the AC-DC step-down circuit, and an output end thereof is electrically connected to the a frequency modulation transmitting circuit to output a first DC voltage; a second DC voltage stabilizing circuit for outputting a second DC voltage, wherein an input end thereof is electrically connected to the AC-DC step-down circuit, and an output end thereof is electrically connected to the The first power amplifier circuit and the audio wireless device output a second DC voltage.

The audio system of claim 8, wherein the audio output circuit further comprises a DC step-down circuit; the input end of the DC step-down circuit is electrically connected to the second DC voltage stabilizing circuit;

The audio jack further includes a power socket, and an output of the DC step-down circuit is electrically connected to the audio wireless device by the power socket.

A networking sound system, comprising:

The networking sound of claim 1;

One or more sub-audios connected to the network audio through frequency modulation; each of the sub-audios includes: an FM radio circuit and a second power amplifier circuit electrically connected to the FM radio circuit

[Claim 11] The network audio system according to claim 10, wherein the FM radio circuit comprises:

Receive antenna; The radio processor is electrically connected to the second power amplifier circuit and the receiving antenna; and the frequency selective potentiometer is electrically connected to the radio processor.