Sensing sound box capable of intelligently adjusting volume

Abstract

The utility model discloses a sensing sound box capable of intelligently adjusting volume, which solves the problem that the volume of a sound box in a household appliance in the prior art cannot be adjusted according to the distance of a human body through the cooperation of a human body infrared sensor, a laser radar sensor, a microwave radar sensor and an MCU information processor. According to the utility model, the volume is efficiently detected through the rapid operation capability and intelligent analysis of the human body infrared sensor, the laser radar sensor, the microwave radar sensor and the MCU information processor, and the volume is adjusted in real time according to the human body activity range, so that a suitable volume environment is provided for a user; and the health of human ears is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of audio, and in particular to a perceptual speaker capable of intelligently adjusting volume. Background Art

[0002] With the diversification of household electrical appliances and the development of technology, modern humans cannot live without audio and video products. Especially home theater products, TVs with large screens and high-power audio systems with strong bass. Long-term exposure to high volume will cause great damage to human hearing, especially during the growth and development stage. Therefore, there is an urgent need for an intelligent sensing speaker system that can intelligently detect and automatically adjust the decibel output of the speaker volume, which has a good protective effect on the hearing health of minors and children, and can prevent the product from causing damage to human hearing due to the loud sound output accidentally caused by the human body approaching. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a perceptual speaker with intelligent volume adjustment. The problem that the audio system in household appliances in the prior art cannot adjust the volume according to the distance from the human body is solved by the cooperation of human infrared sensors, laser radar sensors, microwave radar sensors and MCU information processors. The utility model efficiently detects the volume through the fast computing power and intelligent analysis of human infrared sensors, laser radar sensors, microwave radar sensors and MCU information processors, and adjusts the volume in real time according to the range of human activities, thereby providing users with a suitable volume environment and protecting the health of human ears.

[0004] A perceptual speaker with intelligent volume adjustment, comprising a speaker and a human infrared sensor, a laser radar sensor and a microwave radar sensor, an audio information processing module and an MCU information processor built into the speaker;

[0005] The human infrared sensor is used to detect and determine whether there is human infrared in the current environment, and send the information to the MCU information processor;

[0006] The laser radar sensor and microwave radar sensor are used to measure the distance between the speaker and the current target human body, and send the information to the MCU information processor;

[0007] The MCU information processor is electrically connected to the audio information processing module, and controls the operating status of the audio information processing module, the laser radar sensor, and the microwave radar sensor according to the signal input by the human infrared sensor, and sends information to the MCU information processor according to the human target distance measured by the laser radar sensor and the microwave radar sensor during operation to adjust the volume of the audio information output module.

[0008] Furthermore, the laser radar sensor and the microwave radar sensor are electrically connected to the MCU information processor respectively, the microwave radar sensor is used to track moving human targets in the current environment and send information to the MCU information processor; the laser radar sensor is used to measure the distance between the speaker and the current target human body and send information to the MCU information processor, and the MCU controls the volume of the audio information processing module according to parameter calculations of the microwave radar sensor and the laser radar sensor.

[0009] In order to enable the MCU information processor to collect the current sound decibels of the speaker in real time and determine whether its volume causes damage to human hearing, the audio information processing module includes a volume detector and a speaker, and the volume detector and the speaker are electrically connected to the MCU information processor respectively. The volume detector is used to detect the volume of the current environment and send a message to the MCU information processor. The MCU information processor controls the volume adjustment of the speaker.

[0010] Furthermore, the volume detector includes a microphone pickup and an A / D conversion unit, the microphone pickup is electrically connected to the A / D conversion unit, the A / D conversion unit is electrically connected to the MCU information processor, the microphone pickup collects the surrounding environmental noise level and transmits it to the A / D conversion unit, the A / D conversion unit converts it into corresponding digital information and transmits it to the MCU information processor, the MCU information processor receives the digital information, and through calculations with the data of the laser radar sensor and the microwave radar sensor, calls the corresponding adjustment plan to automatically adjust the sound field mode and volume of the audio.

[0011] In order to enable the speaker to have multiple control modes to adapt to the various needs of users, it includes an LCD display control unit installed on the box, the MCU information processor is electrically connected or signal-connected to the LCD display control unit, the MCU information processor includes an automatic control mode and a manual control mode, the LCD display control unit is electrically connected to the speaker, and when the MCU information processor is switched to the manual control mode, the operator can complete the adjustment of the speaker volume according to the prompt information of the LCD display control unit.

[0012] In order to enable the speaker to be turned off in time after people leave to control energy consumption and reduce unnecessary energy loss, when the human infrared sensor detects the human infrared parameters and inputs the signal to the MCU information processor, the MCU information processor controls the audio information processing module, the lidar sensor and the microwave radar sensor to start running, and controls the volume of the audio information processing module according to the distance measured by the lidar sensor and the microwave radar sensor. When the human infrared sensor cannot detect human infrared and no signal is input to the MCU information processor, the MCU information processor controls the lidar sensor, the microwave radar sensor and the audio information processing module to stop running or remain in an inactive state.

[0013] Furthermore, when the laser radar sensor and the microwave radar sensor detect that the human target is far away from the speaker, they send information to the MCU information processor to control the speaker to turn up the volume to an appropriate volume. When the laser radar sensor and the microwave radar sensor detect that the human target is far away from the speaker, they send information to the MCU information processor to control the speaker to turn down the volume to an appropriate volume.

[0014] In order to enable the speaker to be wirelessly connected to some electronic devices such as mobile phones, the speaker includes a wireless communication module, which is signal-connected to the MCU information processor. The wireless communication module receives audio data transmitted by an external device, completes signal processing through the MCU information processor and the audio information processing module, and sends it to the speaker.

[0015] Furthermore, the wireless communication module includes Bluetooth, WiFi, LTE, mobile communication network or UWB.

[0016] Compared with the prior art, the beneficial effects embodied by the utility model are:

[0017] 1. The utility model of the perception speaker with intelligent volume adjustment has a built-in human infrared sensor, a laser radar sensor, a microwave radar sensor, an audio information processing module and an MCU information processor. The human infrared sensor detects whether there is human infrared in the current environment and sends information to the MCU information processor. The MCU information processor determines whether to turn on the laser radar sensor, the microwave radar sensor and the audio information processing module according to the information. The MCU information processor is electrically connected or signal-connected with the audio information processing module. The distance between the human target and the speaker is calculated according to the laser radar sensor and the microwave radar sensor during operation, and the information is sent to the MCU information processor. The MCU information processor sends information to the audio information processing module after fast calculation and controls the volume of the audio information processing module. Compared with some other operators, the MCU information processor has a large number of I / O operation advantages, can quickly transform from electromechanical to electronic control, and reduce the cost of application at the device level, so that the overall cost of the utility model is reduced, which is more conducive to promotion and application. In addition, the advantage of microwave radar sensors lies in the Doppler effect. By emitting electromagnetic waves to illuminate the target and receiving its echo, the object perception is realized. Compared with traditional sensors, microwave radar will not miss the judgment, which can greatly improve the probability of detecting objects within the detection range, avoid the phenomenon of missed judgment and misjudgment, thereby realizing real-time monitoring of human targets, making the utility model more intelligent. In addition, the laser radar sensor used in conjunction with the microwave radar sensor is a sensor that uses laser technology for measurement. It is composed of a laser, a laser detector and a measurement circuit. Due to its advantages of being able to achieve non-contact long-distance measurement, fast speed, high accuracy, large range, and strong anti-photoelectric interference ability, it is not easily interfered by other radio waves and reflected waves, and has efficient information feedback and measurement functions. Through the combination of the laser radar sensor and the microwave radar sensor, the utility model monitors human targets and measures the distance between the human target and the speaker in real time and feeds back to the MCU information processor in real time, so that the utility model has a more efficient and reliable information feedback, efficient detection and execution judgment closed-loop system.

[0018] 2. Since the audio information processing module includes a volume detector and a speaker, the volume detector and the speaker are electrically connected to the MCU information processor respectively, the volume detector is used to detect the volume within the current environment, and the MCU information processor can control the volume of the speaker in real time according to the detected volume. In addition, the volume detector includes a microphone pickup and an A / D conversion unit, and the A / D conversion unit and the microphone pickup are electrically connected to the MCU information processor respectively. The microphone pickup collects the surrounding environmental noise and transmits it to the A / D conversion unit. The A / D conversion unit converts it into corresponding digital information and transmits it to the MCU information processor. The MCU information processor receives the digital information and calls the corresponding adjustment scheme through the operation with the data of the laser radar sensor and the microwave radar sensor to automatically adjust the sound field mode and volume of the sound. By converting the electrical signal into the corresponding digital information through the A / D conversion unit, the operation speed of the MCU information processor can be accelerated. In addition, when calling the corresponding scheme, the calling speed can also be accelerated, making the response of the utility model faster and more instantaneous.

[0019] 3. Since the human infrared sensor detects the human infrared parameters and inputs the signal to the MCU information processor, the MCU information processor controls the audio information processing module, the laser radar sensor and the microwave radar sensor to start running, and controls the volume of the audio information processing module according to the distance calculated by the laser radar sensor and the microwave radar sensor. When the human infrared sensor cannot detect the human infrared and no signal is input to the MCU information processor, the MCU information processor controls the laser radar sensor and the microwave radar sensor, and the audio information processing module to stop running or remain in an inactive state, so that the speaker can be turned off in time after people leave to control energy consumption and reduce unnecessary energy consumption losses. In addition, the speaker includes a wireless communication module, which is connected to the MCU information processor signal. The wireless communication module receives audio data transmitted by an external device, and completes signal processing through the MCU information processor and the audio information processing module and sends it to the speaker. The wireless communication module includes Bluetooth, WiFi, LTE, mobile communication network or UWB. In addition to intelligently controlling the volume, the speaker can also be connected to electronic devices such as mobile phones and iPads through the wireless communication module, making the connection of the utility model more diversified and intelligent. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the utility model with an LCD display control unit;

[0022] Figure 3This is a schematic diagram of the structure in which the volume detector and the speaker of the utility model are respectively connected to the MCU information processor;

[0023] Figure 4 It is a structural schematic diagram of the connection between the microphone pickup and the A / D conversion unit of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the connection between the LCD display control unit and the speaker of the utility model.

[0025] Reference numerals

[0026] 1. Human infrared sensor; 2. LiDAR sensor; 3. Microwave radar sensor; 4. Audio information processing module; 5. MCU information processor; 41. Volume detector; 42. Speaker; 6. LCD display control unit; 411. Microphone pickup; 412. A / D conversion unit. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the terms "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying 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 a limitation on the present invention. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features, and are used to distinguish and describe features, without distinction of order or importance. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "matching", "connecting", "connection", and "installation" 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] A perceptual speaker with intelligent volume adjustment comprises a speaker and a human infrared sensor 1, a laser radar sensor 2 and a microwave radar sensor 3, an audio information processing module 4 and an MCU information processor 5 built into the speaker; the human infrared sensor 1 is used to detect and determine whether there is human infrared in the current environment, and send information to the MCU information processor 5; the laser radar sensor 2 and the microwave radar sensor 3 are used to measure the distance between the speaker and the current target human body, and send information to the MCU information processor 5; the MCU information processor 5 is electrically connected to the audio information processing module 4, and controls the operating states of the audio information processing module 4 and the laser radar sensor 2 and the microwave radar sensor 3 according to the signal input by the human infrared sensor 1, and sends information to the MCU information processor 5 according to the human target distance measured by the laser radar sensor 2 and the microwave radar sensor 3 during operation to adjust the volume of the audio information output module. Compared with some other computing units, the MCU information processor 5 used in the present invention has a large number of I / O operation advantages, can quickly transform from electromechanical to electronic control, and reduce the cost of application at the device level, so that the overall cost of the present invention is reduced, which is more conducive to promotion and application. In addition, the advantage of the microwave radar sensor 3 lies in the Doppler effect, which realizes object perception by emitting electromagnetic waves to illuminate the target and receiving its echo. Compared with traditional sensors, the microwave radar sensor will not miss the judgment, which can greatly increase the probability of detecting objects within the detection range, avoid the occurrence of missed judgments and misjudgments, thereby realizing real-time monitoring of human targets, making the present invention more intelligent. In addition, the laser radar sensor 2 coordinated with the microwave radar sensor 3 is a sensor that uses laser technology for measurement. It is composed of a laser, a laser detector and a measuring circuit. It can achieve non-contact long-distance measurement, fast speed, high accuracy, large range and strong anti-photoelectric interference ability. It is not easily interfered by other radio waves and reflected waves, and has efficient information feedback and measurement functions. Through the combination of the laser radar sensor 2 and the microwave radar sensor 3, the utility model monitors human targets and measures the distance between the human targets and the sound box in real time. The calculation is fed back to the MCU information processor 5 in real time, so that the utility model has a more efficient and reliable information feedback, efficient detection and execution judgment closed-loop system.

[0031] In this embodiment, a laser radar sensor 2 and a microwave radar sensor 3 are included. The laser radar sensor 2 and the microwave radar sensor 3 are electrically connected to the MCU information processor 5 respectively. The microwave radar sensor 3 is used to track the moving human target in the current environment and send information to the MCU information processor 5; the laser radar sensor 2 is used to measure the distance between the speaker and the current target human body, and send information to the MCU information processor 5. The MCU information processor 5 calculates and controls the volume of the audio information processing module 4 according to the parameters fed back by the microwave radar sensor 3 and the laser radar sensor 2.

[0032] Furthermore, if Figure 3 As shown, the audio information processing module 4 includes a volume detector 41 and a speaker 42, which are electrically connected to the MCU information processor 5 respectively. The volume detector 41 is used to detect the volume of the current environment and send a message to the MCU information processor 5, and the MCU information processor 5 controls the volume adjustment of the speaker 42.

[0033] In this embodiment, if Figure 5 As shown, it includes an LCD display control unit 6 installed on the box, the MCU information processor 5 is electrically connected or signal-connected to the LCD display control unit 6, the MCU information processor 5 includes an automatic control mode and a manual control mode, the LCD display control unit 6 is electrically connected to the speaker 42, and when the MCU information processor 5 is switched to the manual control mode, the operator can adjust the volume of the speaker 42 according to the prompt information of the LCD display unit.

[0034] Further, when the human infrared sensor 1 detects the human infrared parameters and inputs the signal to the MCU information processor 5, the MCU information processor 5 controls the audio information processing module, the laser radar sensor 2 and the microwave radar sensor 3 to start running, and controls the volume of the audio information processing module 4 according to the distance measured by the laser radar sensor 2 and the microwave radar sensor 3. When the human infrared sensor 1 cannot detect the human infrared and no signal is input to the MCU information processor 5, the MCU information processor 5 controls the laser radar sensor 2 and the microwave radar sensor 3, and the audio information processing module to stop running or remain in an inactive state. Further, when the laser radar sensor 2 and the microwave radar sensor 3 detect that the human target is far away from the speaker, they send information to the MCU information processor 5 to control the speaker 42 to increase the volume to an appropriate volume. When the laser radar sensor 2 and the microwave radar sensor 3 detect that the human target is far away from the speaker, they send information to the MCU information processor 5 to control the speaker 42 to reduce the volume to an appropriate volume.

[0035] In this embodiment, if Figure 4As shown, the volume detector 41 includes a microphone pickup 411 and an A / D conversion unit 412, the microphone pickup 411 is electrically connected to the A / D conversion unit 412, the A / D conversion unit 412 is electrically connected to the MCU information processor 5, the microphone pickup 411 collects the size of the surrounding environmental noise and transmits it to the A / D conversion unit 412, the A / D conversion unit 412 converts it into corresponding digital information and transmits it to the MCU information processor 5, the MCU information processor 5 receives the digital information, and through the operation with the data of the laser radar sensor 2 and the microwave radar sensor 3, calls the corresponding adjustment scheme, and automatically adjusts the sound field mode and volume of the sound. In addition, by converting the electrical signal into the corresponding digital information by the A / D conversion unit, the operation speed of the MCU information processor can be accelerated, and when calling the corresponding scheme, the calling speed can also be accelerated, so that the response of the utility model is faster and more instantaneous.

[0036] In this embodiment, the speaker includes a wireless communication module, which is connected to the MCU information processor 5 by signal. The wireless communication module receives audio data transmitted by an external device, and completes signal processing through the MCU information processor 5 and the audio information processing module 4 and sends it to the speaker 42. The wireless communication module includes Bluetooth, WiFi, LTE, mobile communication network or UWB. In addition to intelligently controlling the volume, the speaker can also be connected to electronic devices such as mobile phones and iPads through the wireless communication module, making the connection of the utility model more diversified and intelligent.

[0037] In the description of this specification, the description with reference to the terms "embodiment", "example", etc. means that a specific feature, structure, material or characteristic described in conjunction with the embodiment or example is included in at least one embodiment or example of the present invention.

[0038] In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and purpose of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A perceptual speaker capable of intelligently adjusting volume, characterized in that: It comprises a sound box and a human infrared sensor (1), a laser radar sensor (2), a microwave radar sensor (3), an audio information processing module (4) and an MCU information processor (5) built into the sound box; The human infrared sensor (1) is used to detect and determine whether human infrared rays exist in the current environment, and send the information to the MCU information processor (5); The laser radar sensor (2) and the microwave radar sensor (3) are used to measure the distance between the speaker and the current target human body, and send the information to the MCU information processor (5); The MCU information processor (5) is electrically connected to the audio information processing module (4), and controls the operating states of the audio information processing module (4), the laser radar sensor (2), and the microwave radar sensor (3) according to the signal input by the human infrared sensor (1), and sends information to the MCU information processor (5) according to the human target distance measured by the laser radar sensor (2) and the microwave radar sensor (3) during operation, so as to adjust the volume of the audio information processing module (4).

2. The perceptual speaker with intelligent volume adjustment according to claim 1, characterized in that: The laser radar sensor (2) and the microwave radar sensor (3) are respectively electrically connected to the MCU information processor (5); the microwave radar sensor (3) is used to track a moving human target in the current environment and send information to the MCU information processor (5); the laser radar sensor (2) is used to measure the distance between the speaker and the current target human body and send information to the MCU information processor (5); the MCU controls the volume of the audio information processing module (4) according to the parameter calculation of the microwave radar sensor (3) and the laser radar sensor (2).

3. A perceptual speaker with intelligent volume adjustment according to claim 1 or 2, characterized in that: The audio information processing module comprises a volume detector (41) and a loudspeaker (42), wherein the volume detector (41) and the loudspeaker (42) are respectively electrically connected to the MCU information processor (5), wherein the volume detector (41) is used to detect the volume of the current environment and send a message to the MCU information processor (5), and the MCU information processor (5) controls the volume adjustment of the loudspeaker (42).

4. The perceptual speaker with intelligent volume adjustment according to claim 3, characterized in that: The device comprises an LCD display control unit (6) installed on a sound box, the MCU information processor (5) being electrically connected or signal-connected to the LCD display control unit (6), the MCU information processor (5) comprising an automatic control mode and a manual control mode, the LCD display control unit (6) being electrically connected to the speaker (42), and when the MCU information processor (5) is switched to the manual control mode, the operator can adjust the volume of the speaker (42) according to the prompt information of the LCD display control unit (6).

5. The perceptual speaker with intelligent volume adjustment according to claim 1, characterized in that: When the human infrared sensor (1) detects human infrared parameters and inputs a signal to the MCU information processor (5), the MCU information processor (5) controls the audio information processing module (4), the laser radar sensor (2) and the microwave radar sensor (3) to start running, and controls the volume of the audio information processing module (4) according to the distance measured by the laser radar sensor (2) and the microwave radar sensor (3). When the human infrared sensor (1) cannot detect human infrared and no signal is input to the MCU information processor (5), the MCU information processor (5) controls the laser radar sensor (2) and the microwave radar sensor (3) and the audio information processing module (4) to stop running or keep them in an inactive state.

6. The perceptual speaker with intelligent volume adjustment according to claim 3, characterized in that: The volume detector (41) comprises a microphone pickup (411) and an A / D conversion unit (412), wherein the microphone pickup (411) is electrically connected to the A / D conversion unit (412), and the A / D conversion unit (412) is electrically connected to the MCU information processor (5). The microphone pickup (411) collects the ambient noise level and transmits it to the A / D conversion unit (412), and the A / D conversion unit (412) converts it into corresponding digital information and transmits it to the MCU information processor (5). The MCU information processor (5) receives the digital information and, through calculation with the data of the laser radar sensor (2) and the microwave radar sensor (3), calls a corresponding adjustment scheme to automatically adjust the sound field mode and volume level of the speaker.

7. The perceptual speaker with intelligent volume adjustment according to claim 6, characterized in that: When the laser radar sensor (2) and the microwave radar sensor (3) detect that the human target is far away from the speaker, they send information to the MCU information processor (5) to control the speaker (42) to increase the volume to an appropriate volume. When the laser radar sensor (2) and the microwave radar sensor (3) detect that the human target is far away from the speaker, they send information to the MCU information processor (5) to control the speaker (42) to decrease the volume to an appropriate volume.

8. The perceptual speaker with intelligent volume adjustment according to claim 1, characterized in that: The speaker box comprises a wireless communication module, the wireless communication module is connected to the MCU information processor (5) by signal, the wireless communication module receives audio data transmitted by an external device, completes signal processing through the MCU information processor (5) and the audio information processing module (4), and sends the signal to the speaker (42).

9. The perceptual speaker with intelligent volume adjustment according to claim 8, characterized in that: The wireless communication module includes Bluetooth, WiFi, LTE, mobile communication network or UWB.

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