CN214580807U

CN214580807U - Voice-controlled small night lamp circuit capable of identifying baby crying and small night lamp thereof

Info

Publication number: CN214580807U
Application number: CN202120838725.3U
Authority: CN
Inventors: 朱国巧; 夏志川
Original assignee: Shenzhen Elite Technology Co ltd
Current assignee: Shenzhen Elite Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-02
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a little night-light circuit of speech control that can discern baby cry and little night-light thereof, including drain pan, inside set casing, loudspeaker, function key button, circuit board, lamp face shell and infrared lens piece, be equipped with main control chip, assist MCU, gesture infrared sensor, luminous LED lamp pearl, photosensitive device, miaow head, side on the circuit board and press the function key, the core treater of main control chip for having baby cry and detect, infrared lens piece is installed in the hole intracavity, be equipped with the through-hole on the infrared lens piece, the lamp face shell is translucent plastic material, the lamp face shell with the drain pan buckle is connected. The utility model discloses automatic light of opening after listening to have baby's cry night to slowly adjust luminance, broadcast audio file dispersion baby's attention, commander and pacify the baby, available gesture comes the control lamp, and stepless luminance of adjusting luminance also can be controlled light with pronunciation simultaneously, but speech control opens and adjustting of the lighteness.

Description

Voice-controlled small night lamp circuit capable of identifying baby crying and small night lamp thereof

Technical Field

The utility model relates to the field of lighting technology, concretely relates to is a little night-light of speech control and little night-light that can discern the baby cry.

Background

Infants, especially newborn infants, need to breastfeed many times at night, change diapers or see their status. If use the little night-light of current light filling on the market, then can shine whole night, have the interference to falling asleep, influence growth and development, it is inconvenient after turning off the back and opening the night again. The small night light becomes very useful when the human eye is difficult to adapt to sudden bright light, irritating the eye.

Therefore, the small night lamp circuit and the small night lamp with the voice control function capable of identifying the crying of the baby are provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a little night-light of speech control that can discern the baby cry.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can discern little night-light circuit of speech control of baby's cry, a serial communication port, include:

the main control chip is a core processor with functions of baby cry detection and voice command recognition, and audio files are stored in the main control chip;

the power supply is connected with the main control chip and each circuit and is used for providing power supply;

the key is connected with the main control chip and used for selecting a specific audio file or controlling the volume;

the loudspeaker is connected with the main control chip through a loudspeaker driving circuit;

the assistant MCU is connected with the main control chip;

the photosensitive device is connected with the assistant MCU, and sends a corresponding data value to the assistant MCU for processing after sensing the intensity of light;

the gesture infrared sensor is connected with the assistant MCU, receives the reflected infrared data and transmits the infrared data to the assistant MCU;

and the light-emitting LED lamp bead is connected with the assistant MCU through the lamp driving circuit.

Further, the lamp driving circuit comprises a field effect transistor, a D1 end and a D2 end of the field effect transistor are connected with a light-emitting LED lamp bead and then connected with a VDD end, an S1 end and an S2 end of the field effect transistor are connected with a VSS end, a G1 end and a G2 end of the field effect transistor are connected with a resistor R63 and then connected with an LED-PWM end, and an S1 end and an S2 end of the field effect transistor are sequentially connected with a resistor R66 and a resistor R63 and then connected with the LED-PWM end.

And the microphone is connected with the main control chip and is used for acquiring and recognizing preset awakening command word sounds, and the main control chip is a core processor for recognizing the voice commands.

The utility model also provides a voice control small night lamp capable of identifying baby cry, which comprises a bottom shell, an internal fixed shell, a loudspeaker, a function key button, a circuit board, a lamp face shell and an infrared lens sheet, wherein the bottom shell is provided with a hole, the internal fixed shell is provided with a hole, the bottom shell is connected with the internal fixed shell in a buckling way, the loudspeaker is arranged on the internal fixed shell, the loudspeaker is electrically connected with the circuit board, the circuit board is provided with a via hole, the internal fixed shell is provided with a fixed column, the fixed column is connected with the via hole through a screw, the circuit board is provided with a main control chip, a coordinating MCU, a gesture infrared sensor, a light-emitting LED lamp bead, a photosensitive device, a microphone head and a side-pressing function key, the main control chip is a core processor with baby cry detection, and the side-pressing function key corresponds to the position of the function key button, the lamp face shell is provided with a hole cavity, the infrared lens is installed in the hole cavity, the infrared lens is provided with a through hole, the lamp face shell is made of semitransparent plastic materials, and the lamp face shell is connected with the bottom shell in a buckling mode.

Further, a dustproof net is arranged between the bottom shell and the internal fixing shell.

Furthermore, an installation groove is formed in the wall of the hole cavity, and an installation block matched with the installation groove is arranged on the infrared lens sheet.

Furthermore, a limiting step is arranged on the wall of the hole cavity.

Further, still be equipped with the USB interface that charges on the circuit board.

Further, a foot pad is mounted at the bottom of the bottom shell.

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

the utility model discloses structure product novel structure, simple structure can automatically detect the cry that has the baby or uncomfortable the purplish sound of humming who sends and open light after night to slowly adjust luminance, broadcast music or audio file dispersion baby attention, comma the laughter and pacify the baby. The light may be controlled with gestures. The lamp can be turned on by waving one hand above the small night lamp, and the light can be turned off by waving the other hand, so that the hand is suspended above the lamp and is not moved, and the brightness can be adjusted in a stepless manner. Meanwhile, light can be controlled by voice, and the light can be turned on and adjusted in brightness by voice control and adjusted in a stepless mode by gestures.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic block diagram of the present invention;

fig. 3 is a circuit diagram of the lamp driving circuit of the present invention;

fig. 4 is a circuit diagram of the speaker driving circuit of the present invention;

fig. 5 is the circuit diagram of the MCU.

In the figure: the multifunctional lamp comprises a base shell 1, an inner fixed shell 2, a loudspeaker 3, a functional key button 4, a circuit board 5, a lamp face shell 6, an infrared lens 7, a through hole 71, a gesture infrared sensor 51, a luminous LED lamp bead 52, a microphone 53, a lateral button 54, a hole cavity 61, a dustproof net 8, an installation groove 62, an installation block 72, a limiting step 63 and a foot pad 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a voice-controlled small night light circuit capable of recognizing cry of baby, comprising: the main control chip is a core processor with functions of baby cry detection and voice command recognition, and audio files are stored in the main control chip; the microphone is connected with the main control chip and used for collecting and recognizing preset awakening command word sounds; the power supply is connected with the main control chip, and is used for providing power for each circuit and each electronic device; the key is connected with the main control chip and used for selecting a specific audio file or controlling the volume; the loudspeaker is connected with the main control chip through a loudspeaker driving circuit; the assistant MCU is connected with the main control chip; the light sensor is connected with the assistant MCU, corresponding data values are sent to the assistant MCU for processing after the light sensor senses the strength of light, the assistant MCU sends the data to the main control chip, and the main control chip judges whether to turn on a lamp or play built-in music after detecting the cry of the baby by using the sensed values; the gesture infrared sensor is connected with the assistant MCU, receives the reflected infrared data and transmits the infrared data to the assistant MCU; and the light-emitting LED lamp bead is connected with the assistant MCU through the lamp driving circuit. The microphone transmits sound data collected from the outside to the main control chip, when a baby cries, the main control chip recognizes the baby cries, the main control chip controls and outputs data to the assistant MCU, the assistant MCU receives the data sent by the main control chip, the assistant MCU is the auxiliary CPU and assists/assists the CPU, the assistant MCU can exchange data and information with the main control chip AI, reads gesture sensor data and processes a gesture algorithm to control the LED lamp to be on and off and the brightness level, reads photosensitive sensor data and processes and quantizes the algorithm, the detection environment brightness is compared with the data input by the connected photosensitive device by the assistant MCU to judge whether the data is in the light intensity requirement of the lamp, if the data is in the light intensity requirement, an output command is output to control the driving circuit to start the lamp and slowly adjust the brightness from the darkest state to 80%, and the adjustment time is controllable and adjustable. Meanwhile, the main control chip can play music or audio files stored in the main control chip according to a preset command, and the audio signals are amplified by the driving circuit to drive the loudspeaker to make a sound, so that the attention of the baby is dispersed, and the baby is soothed and pacified. Photosensitive device and gesture infrared sensor all connect and assist MCU, and the gesture is opened and is closed the bright function of putting out of LED lamp, waves the steerable LED lamp of hand and turn on or close. The microphone is connected with the main control chip, voice response is sent after a preset awakening command word is recognized, if the command word is 'small housekeeper', light is turned on ', the' small housekeeper 'and light is lightened', the interior of the main control chip is recognized through operation, if the command word is correct, a corresponding command is executed, an instruction is sent to the assistant MCU to turn on the drive, and light is turned on or brightness adjustment of the light is executed. Because the main control chip is internally provided with the intelligent algorithm, the intelligent algorithm is the existing general algorithm, and the recognition and interaction of the voice command can be completed without networking locally.

Further, as shown in fig. 3, the lamp driving circuit includes a fet U7 with a model SC8205S SOT23-6, a terminal D1 and a terminal D2 of the fet are connected to a light-emitting LED lamp bead and then connected to a VDD terminal, a terminal S1 and a terminal S2 of the fet are connected to a terminal VSS, a terminal G1 and a terminal G2 of the fet are connected to a terminal R63 and then connected to a terminal LED-PWM, and a terminal S1 and a terminal S2 of the fet are connected to a terminal R66 and a terminal R63 in sequence and then connected to a terminal LED-PWM. The LED-PWM end is the input end of the LED-PWM circuit, the LED-PWM circuit is the existing circuit and can be changed according to the needs of customers, the LED-PWM circuit adopts PWM signals to control the brightness of the white light LED, the gesture infrared sensor plays a role in on-off control, the hand is suspended above the lamp to be immobile, and the brightness can be adjusted in a stepless mode. As shown in fig. 4, in order to provide the loudspeaker driving circuit diagram of the present invention, the connection of the various devices is shown, which includes an audio power amplifier U5, model HT6872 SOP-8.

The utility model provides a still little night-light of speech control that can discern the baby cry, include: the baby crying detection device comprises a bottom shell 1, an internal fixed shell 2, a loudspeaker 3, a function key button 4, a circuit board 5, a lamp face shell 6 and an infrared lens sheet 7, wherein the bottom shell 1 is provided with an opening, the internal fixed shell 2 is provided with an opening, the bottom shell 1 is connected with the internal fixed shell 2 in a buckling manner, the loudspeaker 3 is arranged on the internal fixed shell 2, the loudspeaker 3 is electrically connected with the circuit board 5, the circuit board 5 is provided with a through hole, the internal fixed shell 2 is provided with a fixed column, the fixed column is connected with the through hole through a screw, the circuit board 5 is provided with a main control chip, a driving circuit, a synergistic MCU, a gesture infrared sensor 51, a light-emitting LED lamp bead 52, a photosensitive device, a microphone 53 and a side pressing function key 54, the main control chip is a core processor with a baby crying detection function, and the side pressing function key 54 corresponds to the function key button 4, the lamp face shell 6 is provided with a hole cavity 61, the infrared lens 7 is installed in the hole cavity 61, the infrared lens 7 is provided with a through hole 71, the lamp face shell 6 is made of semitransparent plastic materials, and the lamp face shell 6 is connected with the bottom shell 1 in a buckling mode. The inner wall of the bottom shell 1 is provided with three buckling structures, when the internal fixed shell 2 is forcibly pressed into the bottom shell 2, the internal fixed shell 2 is made of plastic materials, and the internal fixed shell 2 is embedded into the bottom shell 2 because the plastic materials are clamped under the buckling structures due to the deformation of the plastic materials, so that the bottom shell 1 is in buckling connection with the internal fixed shell 2; during assembly, the lamp face shell 6 and the bottom shell 1 are pressed down by aligning the buckling positions, and after the plastic is deformed, the buckling positions are mutually occluded, clamped and fixed.

The utility model discloses can discern the baby and cry, the baby is cry is accurately discerned in the actual environment noise, after discerning the cry, and the luminous LED lamp pearl of drive circuit drive is luminous, or plays the file of presetting in the chip. The principle flow is as follows: as shown in fig. 1 and 2, the circuit board is electrically connected to each component, the power supply may be supplied with 5V dc power by an external power adapter, or may be an energy storage device such as a battery, and the power supply supplies power to each device in the circuit for operation. The main control chip (AI intelligent MCU) is a core processor with baby cry detection, such as crying detection chip-AVS 7516 and crying detection chip AVS8086VI, which can identify baby crying and accurately identify baby crying in actual environmental noise, when baby crying or humming squeak which is uncomfortably sent by baby, the sound passes through five quincuncial through holes on the infrared lens sheet and enters the product, the sound is collected by the microphone on the circuit board, the sound is collected by the main control chip (AI intelligent MCU) through the microphone, quantization and algorithm processing are carried out to judge whether the baby crying is effective, after the baby crying is detected, the main control chip (AI intelligent MCU) controls to output data to the auxiliary MCU, the auxiliary MCU receives the data sent by the main control chip, the auxiliary MCU and the data input by the connected photosensitive device (photosensitive sensor) are compared and operated, the light intensity of the LED lamp bead light-emitting lamp is judged by the aid of the MCU, if the light intensity is within the light intensity requirement of the LED lamp bead light-emitting lamp, if the light intensity is within the light intensity requirement, the output command controls the driving circuit to turn on light and slowly turn the light to 80% of the light intensity from the darkest state, the turning time is controllable and adjustable, the light is automatically turned on, the light intensity is slowly adjusted, the lamp face shell (lamp shade) is made of a semi-transparent plastic material, and the surface of the lamp face shell (lamp shade) is subjected to line exposure treatment to enable light to penetrate out of a product. Simultaneously, after detecting effective baby and crying, main control chip (AI intelligent MCU) also can be according to the order of predetermineeing before, play its inside storage music or audio file, audio signal is through drive circuit amplification back, drive loudspeaker sounding, sound passes trompil on the inside fixed shell and the trompil on the drain pan in proper order, makes sound propagate away, wherein drain pan four sides trompil has four holes, makes sound propagate better away, drain pan four sides trompil and inside fixed shell after supporting, can regard as the pronunciation cavity of loudspeaker. The function key button starts a sound playing file, the adjusting key can select a current specific audio file and the volume for controlling the sound playing, music or audio files stored in the playing key can be used for dispersing the attention of the baby and soothing the baby to cry.

The utility model discloses have the gesture and open the function of closing the LED lamp, when the hand is at lamp body sensor 0-30CM vertical distance, wave the steerable LED lamp of hand and turn on or off, and the luminous luminance of the standing stepless adjustment LED on the unsettled sensor of hand is by dark-bright-dark-bright cyclic variation. The principle flow is as follows: as shown in fig. 1 and 2, the gesture infrared sensor, the photosensor is connected to the assistant MCU, the gesture infrared sensor is an infrared emitting and receiving device, the assistant MCU drives the infrared emitting circuit and the lamp bead inside the photosensor (photosensor) to emit infrared light, the infrared lens and the deep infrared material can be used as a far infrared filter, when a person scratches the sensor, the infrared light is emitted back, the matched gesture infrared sensor (infrared emitting and receiving device) receives the reflected infrared data, the assistant MCU reads the effective data in the gesture infrared sensor (infrared emitting and receiving device), and after the logic operation of the assistant MCU, the instruction is sent to control the driving circuit to drive the LED light emitting lamp circuit to realize the light control, i.e. the stepless dimming and the on and off actions of the lamp; the gesture is opened and is closed the LED lamp, conveniently turns on the lamp, also can control the lamp with the gesture. The lamp can be turned on by waving one hand above the small night lamp, and then turned off by waving the other hand, the hand is suspended above the lamp and is not moved, stepless dimming brightness can be realized, and the stepless dimming is realized by program control preset by the MCU.

The utility model discloses still can close with speech control light, open and adjustting of the lighteness, the principle flow: as shown in fig. 1 and 2, the microphone on the circuit board can receive and collect external sounds, and when the microphone recognizes a preset awakening command word, the microphone sends a sound response, such as "small housekeeper, turn on light", "small housekeeper, and turn on light", and at this time, after the interior of the main control chip (AI intelligent MCU) is recognized through algorithm operation, if the command is correct, the microphone executes a corresponding command, and sends a command to the assistant MCU to turn on the drive, turn on or turn off the light, or execute brightness adjustment of the light. Because the main control chip (AI intelligent MCU) is internally provided with an intelligent algorithm and software for monitoring and identifying the sound of the baby, the identification and interaction of the voice command can be completed locally without networking.

Further, still be equipped with the USB interface that charges on the circuit board 5, be equipped with corresponding through-hole structure on the lamp face casing 6, through the USB interface that charges.

Further, the wall of the cavity 61 is provided with an installation groove 62, and the infrared lens sheet 7 is provided with an installation block 72 which is matched with the installation groove 62. The infrared lens sheet 7 and the lamp panel shell 6 are mutually nested and assembled, the lens 7 is upwards arranged from the inside of the lamp panel shell 6, the mounting groove 62 is a rectangular groove with a direction guiding effect, the mounting block 72 is a convex block made of plastic materials and has elasticity, and the mounting block 72 is arranged along the mounting groove 62.

Furthermore, the wall of the hole cavity 61 is provided with a limiting step 63, and the mounting block 72 abuts against the limiting step along the mounting groove 62 and is directly pressed in place.

Further, as shown in fig. 1, in order to prevent external foreign matters from being adsorbed on the speaker, a dust screen 8 is disposed between the bottom case 1 and the internal fixing case 2.

Further, as shown in fig. 1, callus on the sole 9 is installed to the bottom of base 1, and the callus on the sole is the silica gel material, and the callus on the sole antiskid is wear-resisting, can avoid the friction collision between this night-light product and the ground material better, prolongs its life better, and the corner pad is four, pastes the position that corresponds the installation corner pad below the drain pan with sticky mode.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A voice-controlled small night lamp circuit capable of recognizing crying of a baby is characterized by comprising: the main control chip is a core processor with functions of baby cry detection and voice command recognition, and audio files are stored in the main control chip;

the assistant MCU is connected with the main control chip;

the gesture infrared sensor is connected with the assistant MCU, receives the reflected infrared data and transmits the infrared data to the assistant MCU; the light-emitting LED lamp bead is connected with the auxiliary MCU through a lamp driving circuit;

and the power supply is connected with the main control chip and each circuit and is used for providing power supply.

2. The circuit of claim 1, wherein the small night light is a voice controlled circuit capable of recognizing baby crying, comprising: the lamp driving circuit comprises a field effect transistor, a D1 end and a D2 end of the field effect transistor are connected with a light-emitting LED lamp bead and then connected with a VDD end, an S1 end and an S2 end of the field effect transistor are connected with a VSS end, a G1 end and a G2 end of the field effect transistor are connected with a resistor R63 and then connected with an LED-PWM end, and an S1 end and an S2 end of the field effect transistor are sequentially connected with a resistor R66 and a resistor R63 and then connected with the LED-PWM end.

3. A voice-controlled nightlight circuit as claimed in claim 1 or claim 2 wherein the nightlight circuit is adapted to recognize a baby's crying sound by: the voice awakening device further comprises a microphone which is connected with the main control chip and used for collecting and recognizing preset awakening command word sounds, and the main control chip is a core processor for recognizing voice commands.

4. A small night light with voice control capable of recognizing crying of babies is characterized by comprising: the loudspeaker is arranged on the inner fixed shell, the loudspeaker is electrically connected with the circuit board, a through hole is formed in the circuit board, a fixed column is arranged on the inner fixed shell and is connected with the through hole through a screw, a main control chip, a synergistic MCU, a gesture infrared sensor, a light-emitting LED lamp bead, a photosensitive device, a microphone and a side-pressing function key are arranged on the circuit board, the main control chip is a core processor with a function key for detecting the cry of a baby, the side-pressing function key corresponds to the position of the function key button, the lamp panel shell is provided with a hole cavity, the infrared lens is arranged in the hole cavity, and the infrared lens is provided with a through hole, the lamp face shell is made of semitransparent plastic materials and is connected with the bottom shell in a buckling mode.

5. A small night light with voice control capable of identifying baby crying as claimed in claim 4 wherein: and a dustproof net is arranged between the bottom shell and the internal fixed shell.

6. A small night-light with voice control for identifying baby crying as claimed in claim 4 or claim 5 wherein: the infrared lens sheet is provided with an installation block which is matched with the installation groove.

7. A small night light with voice control capable of identifying baby crying as claimed in claim 6 wherein: and the hole cavity wall is provided with a limiting step.

8. A small night light with voice control capable of identifying baby crying as claimed in claim 6 wherein: still be equipped with the USB interface that charges on the circuit board.

9. A small night-light with voice control for identifying baby crying as claimed in claim 7 or 8 wherein: and a foot pad is arranged at the bottom of the bottom shell.