CN213043833U

CN213043833U - Receiver and audio system using the same

Info

Publication number: CN213043833U
Application number: CN202020754061.8U
Authority: CN
Inventors: 张卫星; 张松虎
Original assignee: Shenzhen Meiniao Tech Co ltd
Current assignee: Shenzhen Meiniao Tech Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-04-23
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a receiver and an audio system adopting the receiver, wherein, the receiver comprises a shell, a main control circuit board, a rechargeable battery, a 3.5 earphone joint which is arranged on the shell and electrically connected with the main control circuit board, and a USB interface which is arranged on the shell and electrically connected with the main control circuit board and is used for charging and outputting audio signals; the master control circuit board is provided with a single chip microcomputer control circuit, a signal receiving circuit and a multi-channel audio hybrid power amplifier circuit in an integrated mode, the 3.5 earphone connectors and the USB interfaces are electrically connected with the multi-channel audio hybrid power amplifier circuit, the signal receiving circuit and the multi-channel audio hybrid power amplifier circuit are electrically connected with the single chip microcomputer control circuit, and the single chip microcomputer control circuit outputs audio signals to external audio equipment through the 3.5 earphone connectors or the USB interfaces according to signals received by the signal receiving circuit. The utility model discloses a receiver has simple to use convenience, USB interface except can also be as the monitoring that the ear returned and advantage with low costs as the interface that charges.

Description

Receiver and audio system using the same

Technical Field

The utility model relates to a receiver and adopt audio system of this receiver.

Background

At present, with the continuous development of intelligent mobile terminal technology, people not only can meet the requirements of listening to songs for music, but also the requirements of music entertainment become more and more diversified, so that a plurality of intelligent mobile terminals can provide functions such as interactive karaoke, but the application programs integrated on the intelligent mobile terminals cannot realize the effect of karaoke in KTV, and a plurality of defects exist. However, as the living joints are getting faster and faster, people cannot go to places such as KTV frequently to carry out the karaoke, and people seek intelligent equipment capable of carrying out the karaoke anytime and anywhere.

In addition, with the continuous development of internet technology, the internet enters a live broadcast era, and the live broadcast of the network is rapidly developed into a new internet culture state. The live broadcast thoroughly changes the mode of network information propagation, and can be instantly pushed to everyone on each side of the world, in various scenes of life and in the wonderful moment of society. By matching with the existing 4G network transmission technology and the 5G network transmission technology which is to be applied immediately, more and more people can transmit the scenes of the people to any party in the Internet at any time and any place in real time at low cost, which not only accords with the trend of technical development, but also represents the development direction of communication and interconnection of people. And the application range of the live broadcast is wide in the future, and the current business model of many industries can be thoroughly subverted. When the live broadcast 3.0 era comes, the number and the types of live broadcast platforms are increased explosively, the live broadcast + platform in the pan life is in a blowout type, and education, news, movies, O2O, shopping, traveling, music, medical treatment and the like are in a situation that one or even a plurality of live broadcast platforms catch up with each other and compete with each other.

At present, some receivers developed for realizing live broadcasting, song recording and wireless karaoke on the mobile phone exist in the market, but the existing receiver only plays a role in wireless transmission of audio signals and has a single function.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the present invention is to disclose a receiver for solving the problem that the receiver only plays the role of audio signal wireless transmission and has single function. The second objective of the present invention is to disclose an audio system, which employs the above receiver. The third object of the present invention is to disclose an audio system, which employs the receiver mentioned above.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a receiver comprises a shell, a main control circuit board arranged in the shell, a rechargeable battery arranged in the shell, a 3.5 earphone joint arranged in the shell and electrically connected with the main control circuit board, and a USB interface arranged in the shell and electrically connected with the main control circuit board for charging and outputting audio signals; the integrated single chip microcomputer control circuit, signal receiver circuit and the mixed power amplifier circuit of multichannel audio frequency that is provided with on the master control circuit board, 3.5 the headphone connector with the USB interface all with the mixed power amplifier circuit electric connection of multichannel audio frequency, signal receiver circuit with the mixed power amplifier circuit of multichannel audio frequency all with single chip microcomputer control circuit electric connection, single chip microcomputer control circuit basis the signal that signal receiver circuit received passes through 3.5 the headphone connector or the USB interface exports audio signal to external audio equipment.

As a refinement, the signal receiving circuit comprises an FM receiving circuit and/or a microphone receiving circuit.

As an improvement, when the signal receiving circuit comprises a microphone receiving circuit, the microphone receiving circuit comprises a U-section receiving circuit and/or a V-section receiving circuit.

As an improvement mode, the receiver still includes three double-colored pilot lamp that is fixed in the casing, it shows the circuit still to integrate on the main control circuit board, three double-colored pilot lamp with show circuit electric connection, every double-colored pilot lamp corresponds a signal frequency channel sign.

As an improved mode, an antenna circuit is further integrated on the main control circuit board, and the signal receiving circuit is electrically connected with the antenna circuit.

As an improved mode, the receiver further comprises a key installed on the shell, the main control circuit board is further integrated with a key circuit, the key is electrically connected with the key circuit, and the key is used for signal frequency band switching and power switching.

As an improved mode, the main control circuit board is further integrated with a charging circuit, and the USB interface is electrically connected with the charging circuit.

The second purpose of the utility model is realized by adopting the following technical scheme:

an audio system comprises at least two audio devices capable of playing sound and at least two receivers, wherein each audio device comprises a wireless communication microphone and a loudspeaker assembly integrally designed with the wireless communication microphone, each audio device is provided with a 3.5 earphone interface and a USB connector, the receivers are connected to the audio devices in an inserting mode through the 3.5 earphone interfaces and the USB interfaces, and the wireless communication microphones can transmit audio signals to the loudspeaker assemblies of the audio devices and the loudspeaker assemblies around the audio devices through the receivers.

As an improved mode, the audio device includes a sound cavity portion, the sound cavity portion is provided with a first sound outlet and a second sound outlet, the speaker component includes a first speaker provided with a first sound outlet and a second speaker provided with a second sound outlet, the first speaker and the second speaker are disposed in the sound cavity portion, and the sound emitted by the first speaker is transmitted from the first sound outlet, the sound emitted by the second speaker is transmitted from the second sound outlet, the first sound outlet and the second sound outlet are disposed at an included angle α, and 30 ° < α < 150 °.

The third purpose of the utility model is realized by adopting the following technical scheme:

an audio system comprises an intelligent mobile terminal, a wireless communication microphone and the receiver, wherein the receiver is connected to a 3.5 earphone interface on the intelligent mobile terminal in an inserting mode through the 3.5 earphone connector, and the wireless communication microphone can transmit audio signals to the intelligent mobile terminal through the receiver.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a receiver is pegged graft external audio equipment and can be realized with audio equipment's a body coupling and wireless connection, and is simple to use convenient, and, can output audio signal through designing the USB interface, make the USB interface except as the interface that charges can also return as the ear monitor, in addition, the receiver carries out radio communication through adopting signal receiving circuit and external equipment, the price of its required chip is cheaper than the price of adopting bluetooth or the required chip of wifi, can effectively practice thrift the cost.

Drawings

Fig. 1 is a schematic structural diagram of a receiver disclosed in an embodiment of the present invention;

fig. 2 is an exploded view of a receiver according to an embodiment of the present invention;

fig. 3 is a schematic block diagram of a main control circuit board and an interface of a receiver disclosed in an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a main control circuit board of a receiver according to an embodiment of the present invention;

fig. 5 is a more specific schematic block diagram of a main control circuit board and an interface of a receiver according to an embodiment of the present invention;

fig. 6 is another more specific schematic block diagram of a main control circuit board and an interface of a receiver according to an embodiment of the present invention;

fig. 7 is an exploded view of a receiver and an audio device according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

fig. 9 is a schematic partial cross-sectional view of an audio device according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a first audio system according to an embodiment of the present invention;

fig. 11 is a schematic diagram of a second audio system according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention discloses a receiver 10, which includes a housing 11, a main control circuit board 12 disposed inside the housing 11, a rechargeable battery 13 disposed inside the housing 11, a 3.5 earphone connector 14 mounted on the housing 11 and electrically connected to the main control circuit board 12, and a USB interface 15 mounted on the housing 11 and electrically connected to the main control circuit board 12 for charging and outputting an audio signal; the main control circuit board 12 is integrally provided with a single chip microcomputer control circuit 121, a signal receiving circuit 122 and a multi-channel audio hybrid power amplifier circuit 123, the 3.5 earphone connector 14 and the USB interface 15 are electrically connected with the multi-channel audio hybrid power amplifier circuit 123, the signal receiving circuit 122 and the multi-channel audio hybrid power amplifier circuit 123 are electrically connected with the single chip microcomputer control circuit 121, and the single chip microcomputer control circuit 121 outputs audio signals to external audio equipment through the 3.5 earphone connector 14 or the USB interface 15 according to signals received by the signal receiving circuit 122.

In this embodiment, the receiver 10 that provides is pegged graft and can be realized with audio equipment's a body coupling and wireless connection to external audio equipment, and is simple to use convenient, and, can output audio signal through design USB interface 15, make USB interface 15 except as the monitoring that charges the interface and can also return as the ear, in addition, receiver 10 carries out radio communication through adopting signal receiving circuit 122 and external equipment, the price of its required chip is cheaper for the price of adopting the required chip of bluetooth or wifi, can effectively practice thrift the cost.

In some embodiments, the USB interface 15 has five connection terminals, and two terminals on two sides may be used as the charging terminals, and two terminals selected from the remaining three terminals may be used as the left channel terminal and the right channel terminal for propagating the audio signal.

Referring to fig. 5 and fig. 6, as a modified manner of the present embodiment, the signal receiving circuit 122 includes an FM receiving circuit and/or a microphone receiving circuit. The FM receiving circuit supports three frequency bands of 87.5MHz, 99.5MHz and 107.9 MHz. The microphone receiving circuit is used for receiving signals transmitted by a wireless microphone, such as a neck-clip microphone. Specifically, the microphone receiving circuit supports signals of a U (Ultra High Frequency) section and/or a V (Very High Frequency) section. I.e., the microphone receiving circuit may include a U-section receiving circuit and/or a V-section receiving circuit.

As an improvement of this embodiment, the receiver 10 further includes three two-color indicator lamps 16 fixed to the housing 11, the main control circuit board 12 further integrates a display circuit 124, the three two-color indicator lamps 16 are electrically connected to the display circuit 124, and each two-color indicator lamp 16 corresponds to a signal frequency band identifier. For example, each of the bi-color indicator lights 16 has two states of emitting red light and emitting green light, and when the bi-color indicator light 16 emits green light, it indicates that the signal receiving circuit 122 is in an operating state, and green light emitted from one of the bi-color indicator lights 16 correspondingly indicates that one of the signal bands is operating, such as indicating that one of the FM bands is operating.

As a modification of the present embodiment, the two-color indicator lamp 16 indicates the charge level of the rechargeable battery 13 through color conversion. For example, the two-color indicator light 16 may emit a red light to indicate the charge level of the rechargeable battery 13.

As an improvement of the present embodiment, the main control circuit board 12 further integrates an antenna circuit 125, and the signal receiving circuit 122 is electrically connected to the antenna circuit 125.

As an improvement of this embodiment, the receiver 10 further includes a key 17 mounted on the housing, the main control circuit board 12 further integrates a key circuit 126, the key 17 is electrically connected to the key circuit 126, and the key 17 is used for signal band switching and power switching. In some embodiments, the signal frequency band switching and the power switch switching can be performed by the length of time that the key 17 is pressed.

As an improvement of the present embodiment, the main control circuit board 12 further integrates a charging circuit 127, and the USB interface 15 is electrically connected to the charging circuit 127.

As a modification of this embodiment, the main control circuit board 12 further integrates a voltage regulator circuit 128, and the voltage regulator circuit 128 is electrically connected to the battery 13.

As an improvement of this embodiment, the main control circuit board 12 further integrates a voltage conversion circuit 129, and the voltage conversion circuit 129 is electrically connected between the voltage stabilizing circuit 128 and the multi-channel audio hybrid power amplifier circuit 123.

Referring to fig. 7-10, an embodiment of the present invention further discloses an audio system 100, which includes at least two audio devices 20 capable of playing sound and at least two receivers 10 as described above, each audio device 20 includes a wireless communication microphone 21 and a speaker assembly 22 integrally designed with the wireless communication microphone 21, each audio device 20 is provided with a 3.5 earphone interface 23 and a USB connector 24, the receivers are plugged into the audio devices 20 through the 3.5 earphone connector 14 and the USB interface 15, and the wireless communication microphone 21 can transmit audio signals to the speaker assembly 22 of itself and the speaker assembly 22 around through the receivers 10.

In this embodiment, the provided audio system 100 may form a wireless K-song system, when in use, each audio device 20 is plugged with one receiver 10, a user holds the audio device 20 by hand, sings through the wireless communication microphone 21, the wireless communication microphone 21 transmits an audio signal to the receiver 10 plugged in itself and the receivers 10 around, and the receiver 10 transmits the received audio signal to the speaker assembly 22 for playing, thereby forming the K-song system. With this design, the user can form K song system anytime and anywhere, need not go the KTV, has reduced the restriction in place and time, and is very convenient. Moreover, the receiver 10 and the audio device 20 can be integrated into a single unit, which is also convenient.

As a modification of the present embodiment, the audio device 20 includes a sound chamber portion 25, the sound chamber portion 25 is provided with a first sound outlet hole 251 and a second sound outlet hole 252, the speaker assembly 22 includes a first speaker 221 provided with a first sound outlet surface 2211 and a second speaker 222 provided with a second sound outlet surface 2221, the first speaker 221 and the second speaker 222 are disposed in the sound chamber portion 25, and the sound emitted from the first speaker 221 is transmitted from the first sound outlet surface 2211 through the first sound outlet hole 251 to the outside, the sound emitted from the second speaker 222 is transmitted from the second sound outlet surface 2221 through the second sound outlet hole 252 to the outside, the first sound outlet surface 2211 and the second sound outlet surface 2221 are disposed at an included angle α, and 30 ° < α < 150 °.

With this design, through being provided with first speaker 221 and second speaker 222 in sound chamber portion 25 to be the contained angle setting between first loudspeaker 221's the first loudspeaker face 2211 and the second loudspeaker face 2221 of second speaker 222, thereby make first speaker 221 and second speaker 222 when the sound production, the sound propagation in sound chamber portion 25 can not offset each other, can expand and scatter, and sound is more penetrating, and propagation range is wider, and sound effect is better.

Referring to fig. 11, an embodiment of the present invention further discloses an audio system 200, which includes an intelligent mobile terminal 201, a wireless communication microphone 202 and the receiver 10, wherein the receiver 10 is inserted into a 3.5 earphone interface of the intelligent mobile terminal through a 3.5 earphone connector 14, and the wireless communication microphone 202 can transmit an audio signal to the intelligent mobile terminal 201 through the receiver 10. Preferably, the smart mobile terminal 201 is a mobile phone.

In this embodiment, the audio system 200 may form a wireless mobile phone song recording system or a live mobile phone system. When the wireless communication microphone 202 is used, the receiver 10 is plugged into the mobile phone 201, and a user can transmit an audio signal to the mobile phone 201 through the receiver 10 through the wireless communication microphone 202. In this design, the user can combine the handset 201, the wireless communication microphone 202 and the receiver 10 to form a handset wireless recording system or a handset live broadcasting system.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A receiver is characterized by comprising a shell, a main control circuit board arranged in the shell, a rechargeable battery arranged in the shell, a 3.5 earphone joint arranged in the shell and electrically connected with the main control circuit board, and a USB interface arranged in the shell and electrically connected with the main control circuit board for charging and outputting audio signals; the integrated single chip microcomputer control circuit, signal receiver circuit and the mixed power amplifier circuit of multichannel audio frequency that is provided with on the master control circuit board, 3.5 the headphone connector with the USB interface all with the mixed power amplifier circuit electric connection of multichannel audio frequency, signal receiver circuit with the mixed power amplifier circuit of multichannel audio frequency all with single chip microcomputer control circuit electric connection, single chip microcomputer control circuit basis the signal that signal receiver circuit received passes through 3.5 the headphone connector or the USB interface exports audio signal to external audio equipment.

2. The receiver of claim 1, wherein the signal receiving circuit comprises an FM receiving circuit and/or a microphone receiving circuit.

3. The receiver of claim 1, wherein when the signal receiving circuit comprises a microphone receiving circuit, the microphone receiving circuit comprises a U-segment receiving circuit and/or a V-segment receiving circuit.

4. The receiver of claim 1, further comprising three bi-color indicator lights fixed to the housing, wherein a display circuit is further integrated on the main control circuit board, the three bi-color indicator lights are electrically connected to the display circuit, and each bi-color indicator light corresponds to a signal frequency band identifier.

5. The receiver of claim 1, wherein an antenna circuit is further integrated on the main control circuit board, and the signal receiving circuit is electrically connected to the antenna circuit.

6. The receiver of claim 1, further comprising a key mounted on the housing, wherein the main control circuit board further comprises a key circuit integrated thereon, the key is electrically connected to the key circuit, and the key is used for switching signal frequency bands and switching power supply.

7. The receiver of claim 1, wherein the main control circuit board further integrates a charging circuit, and the USB interface is electrically connected to the charging circuit.

8. An audio system, comprising at least two audio devices capable of playing sound and at least two receivers according to any one of claims 1 to 7, wherein each of the audio devices comprises a wireless communication microphone and a speaker assembly integrally designed with the wireless communication microphone, each of the audio devices is provided with a 3.5 earphone interface and a USB connector, the receiver is connected to the audio device through the 3.5 earphone interface and the USB interface, and the wireless communication microphone can transmit audio signals to the speaker assembly of itself and the speaker assembly around through the receivers.

9. The audio system according to claim 8, wherein said audio device comprises a sound chamber portion provided with a first sound emission hole and a second sound emission hole, said speaker assembly comprises a first speaker provided with a first sound emission surface and a second speaker provided with a second sound emission surface, said first speaker and said second speaker are disposed in said sound chamber portion, and an emitted sound of said first speaker is propagated from said first sound emission surface through said first sound emission hole to the outside, an emitted sound of said second speaker is propagated from said second sound emission surface through said second sound emission hole to the outside, said first sound emission surface and said second sound emission surface are disposed at an angle α, and 30 ° < α < 150 °.

10. An audio system, comprising a smart mobile terminal, a wireless communication microphone, and a receiver according to any of claims 1-7, wherein the receiver is plugged into a 3.5 headset jack of the smart mobile terminal through the 3.5 headset connector, and the wireless communication microphone is capable of transmitting audio signals to the smart mobile terminal through the receiver.