Wireless audio monitor

Abstract

The utility model relates to the technical field of scene monitoring, and discloses a wireless audio monitor which comprises an audio pickup module, a single chip microcomputer control module and a radio frequency module, the single chip microcomputer control module is in signal connection with an audio playing module, and the single chip microcomputer control module comprises a single chip microcomputer and an ADC unit; wherein the audio pickup module is used for picking up scene sounds of a monitored end and a monitoring end, converting picked-up audios into analog signals and transmitting the analog signals to the single chip microcomputer; the radio frequency module is used for receiving the digital signal and correspondingly transmitting the digital signal to the monitored end or the monitoring end; the audio playing module is used for playing conversation audio between the monitored end and the monitoring end; tDD time-sharing transmission is adopted by the monitored end, and emission is continuously received at intervals. According to the audio monitor of the utility model, conversation can be carried out between the monitored end and the monitoring end in a monitoring state, network limitation is avoided, and continuous monitoring and nursing can be carried out in various environments; and compared with a video monitor, the manufacturing cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of scene monitoring, in particular to a wireless audio monitor. Background Art

[0002] In the prior art, an audio monitor is a monitoring device, which is applied to the fields of baby monitoring, elderly care, audio doorbell, home intercom, etc. However, in the application field, the traditional audio monitor still adopts a simplex or half-duplex communication mode, which makes it impossible for the monitored end to communicate with the monitoring end in the monitoring state.

[0003] Therefore, how to provide a wireless audio monitor so that the monitored end and the monitoring end can communicate with each other under the monitoring state of the audio monitor has become a technical problem to be solved urgently. Utility Model Content

[0004] The technical problem to be solved by the utility model is how to provide a wireless audio monitor so that a monitored end and a monitoring end can communicate with each other in a monitoring state of the audio monitor.

[0005] To this end, according to a first aspect, an embodiment of the utility model discloses a wireless audio monitor, comprising: an audio pickup module, a single-chip control module and a radio frequency module which are sequentially connected by signals, wherein the single-chip control module is signal-connected with an audio playback module, and the single-chip control module comprises a single-chip and an ADC unit; wherein the audio pickup module is used to pick up scene sounds of a monitored end and a monitoring end, and convert the picked-up audio into an analog signal and transmit it to the single-chip; the single-chip converts the audio signal into a digital signal through the ADC unit, the radio frequency module is used to receive the above-mentioned digital signal and transmit it to the monitored end or the monitoring end accordingly, and the audio playback module is used to play the conversation audio between the monitored end and the monitoring end; the monitored end adopts TDD time-sharing transmission, and continuously receives in the intervals between transmissions.

[0006] The utility model is further configured that, in VOX mode, the single chip microcomputer judges the audio digital signal, and if it exceeds a preset threshold value, the audio data is optimized and compressed.

[0007] The utility model is further configured to further include a noise reduction module, which is signal-connected to the audio pickup module and is used to reduce the noise of the audio collected by the audio pickup module.

[0008] The utility model is further configured to further include a night light module, which is signal-connected to the single-chip control module and is used to control the working state of an external warm-color night light.

[0009] The utility model is further configured to further include a power supply module, and the power supply module is electrically connected to the single-chip computer module.

[0010] The utility model is further configured such that the monitored end is a baby end, and the monitoring end is a parent end.

[0011] The utility model is further configured to further include a music module for playing music.

[0012] The utility model has the following beneficial effects: the audio signal is transmitted to the monitored end or the monitoring end correspondingly through the radio frequency module, and the audio playback module plays the conversation audio between the monitored end and the monitoring end; the monitored end adopts TDD time-sharing transmission, and continuously receives in the intervals between transmissions, thereby providing a wireless audio monitor, so that the monitored end and the monitoring end can have a conversation under the monitoring state of the audio monitor, without network restrictions, and can monitor and care uninterruptedly in a variety of environments; compared with video monitors, the manufacturing cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 is a schematic diagram of the structure of a wireless audio monitor disclosed in this embodiment;

[0015] Figure 2 is a block diagram of a wireless audio monitor disclosed in this embodiment;

[0016] Figure 3 This is a schematic diagram of the circuit principle of a single-chip control module in a wireless audio monitor disclosed in this embodiment;

[0017] Figure 4 This is a schematic diagram of the circuit principle of a radio frequency module in a wireless audio monitor disclosed in this embodiment;

[0018] Figure 5 This is a schematic diagram of the circuit principle of a voice chip in a wireless audio monitor disclosed in this embodiment;

[0019] Figure 6 This is a schematic diagram of the circuit principle of a night light module in a wireless audio monitor disclosed in this embodiment;

[0020] Figure 7The present invention is a schematic diagram of the circuit principle of an audio module in a wireless audio monitor disclosed in this embodiment. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0025] The utility model embodiment discloses a wireless audio monitor, such as Figure 1-7As shown, it includes: an audio pickup module, a single-chip control module and a radio frequency module which are sequentially connected by signals, the single-chip control module is signal-connected with an audio playback module, and the single-chip control module includes a single-chip and an ADC unit; wherein the audio pickup module is used to pick up the scene sound of the monitored end and the monitoring end, and convert the picked-up audio into an analog signal and transmit it to the single-chip; the single-chip converts the audio signal into a digital signal through the ADC unit, the radio frequency module is used to receive the above digital signal and transmit it to the monitored end or the monitoring end accordingly, and the audio playback module is used to play the conversation audio between the monitored end and the monitoring end; the monitored end adopts TDD time-sharing transmission, and the transmission gap is continuously received. In the specific implementation, an LNA is provided in the radio frequency module, and the LNA can increase the receiving sensitivity, so that at the same radiation level, the customer's distance requirements can be met.

[0026] It should be noted that the audio signal is transmitted to the monitored end or the monitoring end through the radio frequency module, and the audio playback module plays the conversation audio between the monitored end and the monitoring end; the monitored end adopts TDD time-sharing transmission, and continuously receives in the gaps between transmissions, thereby providing a wireless audio monitor, so that the monitored end and the monitoring end can communicate with each other under the monitoring state of the audio monitor, without network restrictions, and can monitor and care uninterruptedly in a variety of environments; compared with video monitors, its manufacturing cost is lower.

[0027] like Figure 1-7 As shown, in VOX mode, the microcontroller judges the audio digital signal, and if it exceeds the preset threshold, the audio data is optimized and compressed. It should be noted that VOX technology is mainly used in audio, and the software optimizes the audio data picked up by VOX, so that the technology can better pick up human voices.

[0028] like Figure 1 As shown, it also includes a noise reduction module, which is connected to the audio pickup module signal, and is used to reduce the noise of the audio collected by the audio pickup module. It should be noted that the noise reduction module reduces the noise of the audio, so that its sound quality is better.

[0029] like Figure 1 and Figure 6 As shown, it also includes a night light module, which is connected to the single-chip control module by signal, and is used to control the working state of an external warm-color night light.

[0030] like Figure 1 As shown, it also includes a power module, which is electrically connected to the single-chip microcomputer module. It should be noted that, through the setting of the power module, the single-chip microcomputer control module can be effectively powered.

[0031] like Figure 1As shown, the device also includes a music module for playing music. It should be noted that the music module is connected to the single-chip control module by signal; when monitoring the baby, the music module can play a lullaby to help the baby fall asleep smoothly.

[0032] like Figure 1 As shown, the monitored end is the baby end, and the monitoring end is the parent end. It should be noted that when the night light button of the monitored end is pressed, a warm night light will be on to accompany the baby to sleep. When the music button is pressed, the machine will play a lullaby to help the baby sleep.

[0033] Working principle: The audio signal is transmitted to the monitored end or the monitoring end through the radio frequency module, and the audio playback module plays the conversation audio between the monitored end and the monitoring end; the monitored end adopts TDD time-sharing transmission, and continuously receives in the gaps between transmissions, thereby providing a wireless audio monitor, so that the monitored end and the monitoring end can communicate with each other under the monitoring state of the audio monitor, without network restrictions, and can monitor and care uninterruptedly in a variety of environments; compared with video monitors, its manufacturing cost is lower.

[0034] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A wireless audio monitor, characterized in that: include: An audio pickup module, a single-chip control module and a radio frequency module are sequentially connected by signals, wherein the single-chip control module is signal-connected to an audio playback module, and the single-chip control module includes a single-chip microcomputer and an ADC unit; Among them, the audio pickup module is used to pick up the scene sound of the monitored end and the monitoring end, and convert the picked up audio into an analog signal and transmit it to the single-chip microcomputer; the single-chip microcomputer converts the audio signal into a digital signal through the ADC unit, the radio frequency module is used to receive the above digital signal and transmit it to the monitored end or the monitoring end accordingly, and the audio playback module is used to play the conversation audio between the monitored end and the monitoring end; the monitored end adopts TDD time-sharing transmission, and continuously receives in the intervals between transmission.

2. The wireless audio monitor according to claim 1, characterized in that: In VOX mode, the single chip microcomputer judges the audio digital signal, and if it exceeds a preset threshold value, the audio data is optimized and compressed.

3. The wireless audio monitor according to claim 1, characterized in that: It also includes a noise reduction module, which is signal-connected to the audio pickup module and is used to reduce noise on the audio collected by the audio pickup module.

4. The wireless audio monitor according to claim 1, characterized in that: It also includes a night light module, which is connected to the single-chip control module by signal, and is used to control the working state of an external warm-color night light.

5. The wireless audio monitor according to claim 1, characterized in that: It also includes a power supply module, which is electrically connected to the single-chip computer module.

6. The wireless audio monitor according to any one of claims 1 to 5, characterized in that: The monitored end is the baby end, and the monitoring end is the parent end.

7. The wireless audio monitor according to claim 1, characterized in that: Also includes a music module for playing music.

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