CN215815175U - Separable UHF wireless microphone system and large-screen terminal - Google Patents
Separable UHF wireless microphone system and large-screen terminal Download PDFInfo
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- CN215815175U CN215815175U CN202121635422.8U CN202121635422U CN215815175U CN 215815175 U CN215815175 U CN 215815175U CN 202121635422 U CN202121635422 U CN 202121635422U CN 215815175 U CN215815175 U CN 215815175U
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Abstract
The application provides a separable UHF wireless microphone system, which comprises a receiving module, a main pickup module and at least one auxiliary pickup module, wherein the main pickup module is provided with at least one first interface, the auxiliary pickup module is provided with a second interface, the first interface is detachably connected with the second interface of the auxiliary pickup module, and when the first interface and the second interface are in a connected state, the main pickup module receives audio signals picked up by the auxiliary pickup module in a wired mode; the main pickup module is provided with an output interface, the receiving module is provided with an input interface, and the output interface is connected with the input interface so as to transmit an audio signal to the receiving module; the receiving module comprises a UHF wireless receiving unit, the auxiliary sound pickup module comprises a UHF wireless transmitting unit, the UHF wireless receiving unit and the UHF wireless transmitting unit are in UHF wireless communication, and when any pair of the first interface and the second interface are in a separated state, the audio signals picked up by the auxiliary sound pickup module are received in a wireless mode. By increasing UHF wireless transmission, the pickup distance of the microphone is improved.
Description
Technical Field
The application relates to the technical field of wireless microphones, in particular to a separable UHF wireless microphone system and a large-screen terminal.
Background
In the display device, a linear or circular array silicon microphone is embedded in any side of a front frame, front sound is collected at a certain angle and converted into an electric signal, the electric signal is sent to a signal processor DSP for processing such as beam forming, noise suppression, echo cancellation, automatic gain control and the like, and finally a data packet is synthesized to provide external equipment for calling, such as a built-in OPS computer, a local android system and the like. The Microphone (MIC) has a relatively limited pickup distance, which is generally less than 5 meters, and if the pickup distance is increased, only the gain value of the internal signal or the volume of the front MIC can be increased, but various accompanying noises are also enhanced, and even voice is covered. Those noises are particularly annoying and sometimes can be transient harsh, particularly affecting user use.
The Microphone (MIC) in the prior art has short pickup distance and is only suitable for a small conference room.
SUMMERY OF THE UTILITY MODEL
Based on the above current situation, a main object of the present application is to provide a separable UHF wireless microphone system and a large screen terminal including the same, which can increase the pickup distance of an array microphone by increasing UHF wireless transmission.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
a separable UHF wireless microphone system comprises a receiving module, a main pickup module and at least one auxiliary pickup module,
the main pickup module is provided with at least one first interface, the auxiliary pickup module is provided with a second interface, and the at least one first interface can be detachably connected with the second interface of the auxiliary pickup module so as to be used for receiving audio signals picked up by the auxiliary pickup module in a wired mode when the first interface and the second interface are in a connected state; the main pickup module is also provided with an output interface, the receiving module is provided with an input interface, and the output interface is connected with the input interface and is used for transmitting audio signals to the receiving module;
the receiving module comprises a UHF wireless receiving unit, the auxiliary sound pickup module comprises a UHF wireless transmitting unit, and the UHF wireless receiving unit can be in UHF wireless communication with the UHF wireless transmitting unit so as to be used for receiving the audio signals picked up by the auxiliary sound pickup module in a wireless mode when any pair of the first interface and the second interface are in a separated state.
Preferably, a rechargeable battery is arranged in the auxiliary sound pickup module, and corresponding power terminals are arranged in the first interface and the second interface, so that when the first interface and the second interface are in a connected state, the main sound pickup module charges the rechargeable battery through the power terminals.
Preferably, at least one of the primary and secondary pickup modules includes a microphone array.
Preferably, the first interface and the second interface are provided with corresponding plugging detection terminals for detecting a connection state between the main pickup module and the auxiliary pickup module;
the separable UHF wireless microphone system further comprises a first control unit and a second control unit, the first control unit is arranged in the main pickup module or the receiving module, the second control unit is arranged in the auxiliary pickup module, the first control unit and the second control unit are respectively provided with a detection end and a control end, the detection end is used for detecting signals of the plugging and unplugging detection terminals, and the control end is used for controlling the starting and the closing of a wireless communication function according to the detection result of the detection end.
Preferably, a first infrared communication unit is arranged in the receiving module, a second infrared communication unit is arranged in the auxiliary pickup module, and the first infrared communication unit can communicate with the second infrared communication unit so as to establish the UHF wireless communication.
Preferably, the secondary pickup module further comprises an array microphone, an infrared receiver and a processor,
the first output end of the array microphone is connected with the second interface of the auxiliary pickup module, and the second output end of the array microphone is connected with the first input end of the processor;
and the second input end of the processor is connected with the infrared receiver, and the output end of the processor is connected with the UHF wireless transmitting unit.
Preferably, the secondary sound pickup module further comprises a charging management unit and a rechargeable battery,
the input end of the charging management unit is connected with the second interface of the auxiliary pickup module, and the output end of the charging management unit is connected with the rechargeable battery so as to charge the rechargeable battery through the main pickup module when the second interface is in a connection state with the first interface.
Preferably, the receiving module further comprises a processor and an infrared transmitter,
the first input end of the processor is connected with the input interface of the receiving module, the second input end of the processor is connected with the UHF wireless receiving unit, and the first output end of the processor is connected with the infrared transmitter.
Preferably, the mobile terminal further comprises a host connected with the receiving module, the host is connected with the output interface of the receiving module, and the host is used for playing the audio signal output by the receiving module.
The application also provides a large-screen terminal, which comprises the separable UHF wireless microphone system.
The application discloses detachable UHF wireless microphone system, including at least one detachable vice pickup module, in less application space, vice pickup module can keep normal position in equipment, in great application space, can take out vice pickup module from equipment, vice pickup module can automatic start and pass through the audio signal that ultrahigh frequency (UHF) wireless transmission picked up with receiving module. Because the UHF wireless transmission distance exceeds 10 meters, and the sound pickup module is 5 meters in sound pickup distance, voice signals within the range of 15 meters can be picked up. The pickup module can be separated and can self-adaptively switch wired or wireless transmission, and the pickup distance of the microphone can be increased by adding an ultrahigh frequency (UHF) wireless transmission unit.
The large-screen terminal adopts the separable UHF wireless microphone system, so that the transmission distance of the large-screen microphone is greatly increased, a user can carry out voice call within a range of 15 meters, and the user experience is improved. Other advantages of the present application will be described in the detailed description, and those skilled in the art will understand the technical features and technical solutions presented in the description.
Drawings
Preferred embodiments of the detachable UHF wireless microphone, the detachable UHF wireless microphone system according to the present application will be described below with reference to the accompanying drawings. In the figure:
FIG. 1 is a block diagram of a detachable UHF wireless microphone system according to a preferred embodiment of the present application;
FIG. 2 is a block diagram of a detachable UHF wireless microphone system according to another preferred embodiment of the present application;
FIG. 3 is a block diagram of a separable UHF wireless microphone system according to yet another preferred embodiment of the present application;
FIG. 4 is a block diagram of a first secondary pickup module in accordance with a preferred embodiment of the present application;
FIG. 5 is a block diagram of a first secondary pickup module according to another preferred embodiment of the present application;
fig. 6 is a block diagram of a receiving module according to a preferred embodiment of the present application.
Detailed Description
Fig. 1 is a block diagram of a detachable UHF wireless microphone system according to a preferred embodiment of the present invention, including a main pickup module 10, a first sub pickup module 20, a second sub pickup module 30 and a receiving module 40, where the main pickup module 10 includes two first interfaces 101 and 102, the first sub pickup module 20 includes a second interface 201, the second sub pickup module 30 includes a second interface 301, the first interface 101 of the main pickup module 10 is connected to the second interface 201 of the first sub pickup module 20, the first interface 102 of the main pickup module 10 is connected to the second interface 301 of the second sub pickup module 30, the first interfaces 101 and 102 of the main pickup module 10 are detachably connected to the second interface 201 of the first sub pickup module 20 and the second interface 201 of the first sub pickup module 20, respectively, so that when the first interfaces 101 and 102 are connected to the second interfaces 201 and 301, the main pickup module 10 receives the first sub pickup module 20 and the second sub pickup module 30 in a wired manner The audio signal of (a); the output interface of the main pickup module 10 is connected with the input interface of the receiving module 40 to transmit the audio signal to the receiving module 40; the receiving module 40 further includes a UHF wireless receiving unit 401, the first secondary sound pickup module 10 includes a UHF wireless transmitting unit 202 therein, the second secondary sound pickup module 30 includes a UHF wireless transmitting unit 302 therein, the UHF wireless receiving unit 401 can perform UHF wireless communication with the UHF wireless transmitting units 202 and 302, so that when any pair of the first interface and the second interface is in a separated state, the receiving module 40 can receive the audio signal picked up by the first secondary sound pickup module 20 and/or the second secondary sound pickup module 30 in a wireless manner.
It should be noted that, the detachable UHF wireless microphone system shown in the drawings includes two secondary sound pickup modules, which is only an exemplary illustration, and the detachable UHF wireless microphone system of the present application may include at least one secondary sound pickup module, which may be one, two, or more than two.
The main pickup module 10, the first sub pickup module 20 and the second sub pickup module 30 are all used for picking up audio signals; the receiving module 40 is configured to receive the audio signals picked up by the main sound pickup module 10, the first sub sound pickup module 20, and the second sub sound pickup module 30 for playing;
when the first and second sub sound pickup modules 20 and 30 are connected to the main sound pickup module 10, audio signals picked up by the first and second sub sound pickup modules 20 and 30 are transmitted to the receiving module 40 through the main sound pickup module 10; when the first and/or second sub sound pickup modules 20 and/or 30 are disconnected from the main sound pickup module 10, the audio signal picked up by the first and/or second sub sound pickup modules 20 and/or 30 is transmitted to the receiving module 40 through the UHF wireless transmission unit. For example, when the first sub sound pickup module 20 is disconnected from the main sound pickup module 10, the audio signal picked up by the first sub sound pickup module 20 is transmitted to the receiving module 40 through the UHF wireless transmission unit 202, and the audio signal picked up by the second sub sound pickup module 30 is still transmitted to the receiving module 40 through the main sound pickup module 10.
The application discloses detachable UHF wireless microphone system, including at least one detachable vice pickup module, in less application space, vice pickup module can keep normal position in equipment, in great application space, can take out vice pickup module from equipment, vice pickup module detects and does not have the connection with main pickup module, can start automatically and pass through the audio signal that UHF wireless transmission picked up with receiving module, its position is put according to actual conditions by the user. Because the UHF wireless transmission distance exceeds 10 meters and the sound pickup module sound pickup distance is 5 meters, the voice call can be carried out within the range of 15 meters. The pickup module is separable and can the self-adaptation switch wired or wireless transmission, through increasing UHF wireless transmission unit, has improved the pickup distance of microphone, has broken through the distance bottleneck of all-in-one machine microphone, and the voice conversation effect far exceeds current level.
In an embodiment, the first interface of the main sound pickup module 10 and the second interface of the sub sound pickup module may be directly connected through a plug structure, for example, a pin socket, a type-c interface, a USB interface, a gold finger, or may be connected through a detachable flexible flat cable.
In one embodiment, each of the first sub sound pickup module 20 and the second sub sound pickup module 30 is provided with a rechargeable battery, the first interfaces 101 and 102 and the second interfaces 201 and 301 are provided with corresponding power terminals, and when the first interfaces 101 and 102 and the second interfaces 201 and 301 are in a connected state, the main sound pickup module 10 charges the rechargeable batteries in the first sub sound pickup module 20 and the second sub sound pickup module 30 through the power terminals.
In an embodiment, at least one of the primary and secondary pickup modules includes a microphone array.
In one embodiment, the first interface 101, 102 and the second interface 201, 301 are provided with corresponding plug detection terminals, which can detect the connection status between the main sound pickup module 10 and the first sub sound pickup module 20, and the second sub sound pickup module 30, so as to switch between the wired transmission audio signal and the wireless transmission audio signal according to the connection status. The separable UHF wireless microphone system can further comprise a first control unit and a second control unit, the first control unit is arranged in the main pickup module or the receiving module, the second control unit is arranged in the auxiliary pickup module, the first control unit and the second control unit are respectively provided with a detection end and a control end, the detection ends can detect signals of the plugging and unplugging detection terminals, and the control ends can control the starting and the closing of the UHF wireless communication function according to the detection result of the detection ends.
Taking fig. 2 as an example, the first control unit 103 is disposed in the main sound pickup module 10, the second control units 203 and 303 are disposed in the first sound pickup module 20 and the second sound pickup module 30, respectively, each of the first control unit 103 and the second control units 203 and 303 has a detection end and a control end, the detection end detects a signal of the plugging/unplugging detection terminal, and the control end controls the on/off of the UHF wireless communication function according to a detection result of the detection end.
In one embodiment, a first infrared communication unit is arranged in the receiving module, a second infrared communication unit is arranged in the secondary sound pickup module, and the first infrared communication unit can communicate with the second infrared communication unit so as to establish UHF wireless communication.
Taking fig. 3 as an example, a first infrared communication unit 402 is disposed in the receiving module 40, and second infrared communication units 204 and 304 are disposed in the first sub sound pickup module 20 and the second sub sound pickup module 30, respectively, so that when the first sub sound pickup module 20 and the second sub sound pickup module 30 are separated from the main sound pickup module 10, the first infrared communication unit 402 can communicate with the second infrared communication units 204 and 304 to establish UHF wireless communication.
The multiple sub-pickup module circuitry of the present application is identical, with the difference being that the UHF wireless carrier frequencies are different.
Taking the first secondary sound pickup module 20 in fig. 1 as an example, as shown in fig. 4, the first secondary sound pickup module 20 further includes an array microphone 203, an infrared receiver 205, and a processor 206; a first output end of the array microphone 201 is connected with the second interface 201, and a second output end is connected with a first input end of the processor 206; a second input of the processor 206 is connected to the infrared receiver 205 and an output of the processor 206 is connected to the UHF radio transmission unit 202. When the first secondary pickup module 20 is connected with the main pickup module 10, the second interface 201 of the first secondary pickup module 20 detects an insertion signal of the first secondary pickup module 20, the infrared receiver 205 and the UHF wireless transmission unit 202 stop working, and an audio signal picked up by the array microphone 203 is transmitted to the main pickup module 10 through the second interface 201 of the first secondary pickup module and is transmitted to the receiving module 40 through an output interface of the main pickup module 10; when the first secondary sound pickup module 20 is disconnected from the main sound pickup module 10, the second interface 202 of the first secondary sound pickup module 20 does not detect an insertion signal of the first secondary sound pickup module 20, the infrared receiver 205 and the UHF wireless transmission unit 202 operate, the first secondary sound pickup module 20 establishes UHF wireless connection with the receiving module 40 through the infrared receiver 205, and an audio signal picked up by the array microphone 203 is calculated by the processor 206 and then transmitted to the receiving module 40 through the UHF wireless transmission unit 202.
In a specific embodiment, the sub-pickup module receives UHF carrier information through the infrared receiving tube, and then configures a corresponding carrier frequency, so that UHF wireless transmission is successfully established. At this time, the audio signal picked up by the auxiliary pickup module enters the processor to complete operations such as beam forming and the like, and then an analog signal or a digital signal is output and enters the UHF wireless transmitting unit to output a wireless modulation signal.
When the auxiliary sound pickup module is connected with the main sound pickup module 10, UHF wireless transmission of the auxiliary sound pickup module and the main sound pickup module stops working, and an audio signal picked up by the auxiliary sound pickup module array microphone and an audio signal picked up by the main sound pickup module array microphone are transmitted to the receiving module 40 through an output interface of the main sound pickup module 10; when any one auxiliary pickup module is disconnected from the main pickup module 10, the corresponding auxiliary pickup module can automatically detect and start up, and can automatically and successfully configure a UHF wireless transmission mode with the receiving module through infrared communication, and audio signals picked up by the auxiliary pickup module are processed and then transmitted to the receiving module through UHF radio waves. The UHF radio wave supports long-distance transmission, has shorter delay time, and has simple and reliable infrared code matching operation.
In an embodiment, the secondary sound pickup module further includes a charging management unit and a rechargeable battery, as shown in fig. 5, taking the first secondary sound pickup module 20 as an example, in addition to the components and units shown in fig. 3, the secondary sound pickup module further includes a charging management unit 207 and a rechargeable battery 208, an input end of the charging management unit 207 is connected to the second interface 201 of the first secondary sound pickup module 20, an output end of the charging management unit is connected to the rechargeable battery 208, and when the second interface 201 is connected to the first interface 101, the rechargeable battery 208 is charged through the main sound pickup module 10. In particular embodiments, rechargeable battery 208 may be a lithium battery.
In an embodiment, as shown in fig. 6, the receiving module 40 further includes an infrared transmitter 403 and a processor 404, a first input end of the processor 404 is connected to the input interface 405 of the receiving module, a second input end of the processor 404 is connected to the UHF wireless receiving unit 401, and a first output end of the processor is connected to the infrared transmitter 403. The UHF wireless receiver unit 401 is in a dual antenna mode. It should be noted that the number of antennas of the UHD wireless receiving unit 401 is matched with the number of secondary sound pickup modules in the wireless microphone system, and the number of secondary sound pickup modules in the embodiment of fig. 1 is two, so that the number of antennas of the UHD wireless receiving unit 401 is also two, and so on.
When the first secondary sound pickup module 20 is connected to the main sound pickup module 10, the infrared emitter 403 and the UHF wireless receiving unit 401 stop working, the audio signals picked up by the main sound pickup module 10 and the first secondary sound pickup module 20 are transmitted to the processor 404 through the input interface 405 of the receiving module 40, and the processor processes and outputs the audio signals picked up by the microphone for playing; when the first secondary sound pickup module 20 is disconnected from the main sound pickup module 10, the infrared transmitter 403 and the UHF wireless receiving unit 401 operate, the UHF wireless receiving unit 401 establishes a UHF wireless connection with the first secondary sound pickup module 20 through the infrared transmitter 403, and the UHF wireless receiving unit 401 receives an audio signal picked up by the first secondary sound pickup module 20, transmits the audio signal to the processor 404, demodulates the audio signal by the processor 404, and outputs the audio signal for playing.
In the specific embodiment, when all the sub sound pickup modules are connected to the main sound pickup module, all the microphone signals enter the processor 404 through the input interface 405 to complete operations such as noise suppression, echo cancellation, automatic gain control, etc., and then are output to the external HOST device through the USB interface. When any one of the sub sound pickup modules is disconnected from the main sound pickup module, the UHF wireless receiving unit 401 in the disconnected sub sound pickup module starts to operate, demodulates the wireless modulation signals of each channel into audio signals, and enters the processor 404 together with the microphone signals output by the main sound pickup module to be processed and demodulated, and then outputs the audio signals to the HOST device.
In an embodiment, the separable UHF wireless microphone system of the present application further includes a host connected to the receiving module, where the host is connected to the output interface of the receiving module and is used for playing the audio signal output by the receiving module.
The application also provides a large-screen terminal, and the separable UHF wireless microphone system can be embedded in any front frame of the large-screen terminal. By adopting the separable UHF wireless array microphone, the transmission distance of the large-screen microphone is greatly increased, a user can carry out voice call within a range of 15 meters, and the user experience is improved.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious or equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the present application.
Claims (10)
1. A separable UHF wireless microphone system is characterized by comprising a receiving module, a main sound pickup module and at least one auxiliary sound pickup module,
the main pickup module is provided with at least one first interface, the auxiliary pickup module is provided with a second interface, and the at least one first interface can be detachably connected with the second interface of the auxiliary pickup module so as to be used for receiving audio signals picked up by the auxiliary pickup module in a wired mode when the first interface and the second interface are in a connected state; the main pickup module is also provided with an output interface, the receiving module is provided with an input interface, and the output interface is connected with the input interface and is used for transmitting audio signals to the receiving module;
the receiving module comprises a UHF wireless receiving unit, the auxiliary sound pickup module comprises a UHF wireless transmitting unit, and the UHF wireless receiving unit can be in UHF wireless communication with the UHF wireless transmitting unit so as to be used for receiving the audio signals picked up by the auxiliary sound pickup module in a wireless mode when any pair of the first interface and the second interface are in a separated state.
2. The system of claim 1, wherein a rechargeable battery is disposed in the secondary pickup module, and corresponding power terminals are disposed in the first interface and the second interface, so that the primary pickup module charges the rechargeable battery through the power terminals when the first interface and the second interface are in a connected state.
3. The detachable UHF wireless microphone system of claim 1, wherein at least one of the primary pickup module and the secondary pickup module comprises a microphone array.
4. The detachable UHF wireless microphone system of claim 1, wherein corresponding plug detection terminals are provided in the first interface and the second interface for detecting a connection state between the main sound pickup module and the auxiliary sound pickup module;
the separable UHF wireless microphone system further comprises a first control unit and a second control unit, the first control unit is arranged in the main pickup module or the receiving module, the second control unit is arranged in the auxiliary pickup module, the first control unit and the second control unit are respectively provided with a detection end and a control end, the detection end is used for detecting signals of the plugging and unplugging detection terminals, and the control end is used for controlling the starting and the closing of a wireless communication function according to the detection result of the detection end.
5. The detachable UHF wireless microphone system of claim 1, wherein a first infrared communication unit is provided in the receiving module and a second infrared communication unit is provided in the secondary pickup module, the first infrared communication unit being capable of communicating with the second infrared communication unit for establishing the UHF wireless communication.
6. The detachable UHF wireless microphone system of claim 1 wherein the secondary pickup module further comprises an array microphone, an infrared receiver, and a processor,
the first output end of the array microphone is connected with the second interface of the auxiliary pickup module, and the second output end of the array microphone is connected with the first input end of the processor;
and the second input end of the processor is connected with the infrared receiver, and the output end of the processor is connected with the UHF wireless transmitting unit.
7. The detachable UHF wireless microphone system of claim 1 wherein the secondary pickup module further comprises a charging management unit and a rechargeable battery,
the input end of the charging management unit is connected with the second interface of the auxiliary pickup module, and the output end of the charging management unit is connected with the rechargeable battery so as to charge the rechargeable battery through the main pickup module when the second interface is in a connection state with the first interface.
8. The detachable UHF wireless microphone system of claim 1 wherein the receiving module further comprises a processor and an infrared transmitter,
the first input end of the processor is connected with the input interface of the receiving module, the second input end of the processor is connected with the UHF wireless receiving unit, and the first output end of the processor is connected with the infrared transmitter.
9. The detachable UHF wireless microphone system of any one of claims 1-8 further comprising a host connected to the receiving module, the host being connected to the output interface of the receiving module, the host being configured to play the audio signal output by the receiving module.
10. A large screen terminal comprising the detachable UHF wireless microphone system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121635422.8U CN215815175U (en) | 2021-07-16 | 2021-07-16 | Separable UHF wireless microphone system and large-screen terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121635422.8U CN215815175U (en) | 2021-07-16 | 2021-07-16 | Separable UHF wireless microphone system and large-screen terminal |
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| CN215815175U true CN215815175U (en) | 2022-02-11 |
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| CN202121635422.8U Active CN215815175U (en) | 2021-07-16 | 2021-07-16 | Separable UHF wireless microphone system and large-screen terminal |
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