CN218299368U - White noise instrument with crying detection function - Google Patents

Abstract

The utility model discloses a white noise appearance of area cry detection function, including the white noise appearance, white noise appearance front side upper right side is equipped with the projection mouth, white noise appearance front side upper right side is close to projection mouth left side lower extreme department and is equipped with the infrared detection mouth and through having set up the detection device of crying, and the small motor work among the detection device of crying can drive the lifter and move upward and touch switch contact, when making the inside lower extreme chip of white noise appearance detect crying, and the detection device of crying can contact with touch switch fast, comes the transmission data to give the inside lower extreme chip of white noise appearance, makes the inside lower extreme chip of white noise appearance make the reaction; by arranging the rotary base, the white noise instrument can be quickly adjusted when detecting crying, the animation can be played to care children, the animation can be used for reminding adults, time is won for the adults, and the children can wait for the adults to arrive quietly.

Description

White noise instrument with crying detection function

Technical Field

The utility model relates to a white noise appearance field of being correlated with specifically is white noise appearance of taking the cry to detect the function.

Background

White noise is a physical and mental health application for sleeping, meditation, relaxation, concentration and learning, people obtain inspiration from the nature, and mass audio contents such as natural sound, hypnotic koji, marine sound, thunder sound, running water sound, wind sound, rain sound, insect and bird calls, 3D ear massage, baby appeasing sleep, crystal bowl therapy, saran drum therapy, brain activation and the like are provided, the device helps people to draw away from the fast-paced people, enter another peaceful and quiet space and space to reduce anxiety and pressure, keep being concentrated on peaceful and quiet, concentrate on meditation and relax the mind for a moment, obtain better sleep, enjoy the temperament of the nature and blend the mind and body into peaceful and quiet.

Most of the existing white noise instruments only have the function of playing white noise, cannot detect crying of a child, and cannot placate the child when the emotion of the child is excited.

Disclosure of Invention

Therefore, in order to solve the above insufficiency, the utility model discloses provide here white noise appearance of taking cry to detect the function.

The utility model is realized in such a way, a white noise instrument with a crying detection function is constructed, the device comprises a white noise instrument, an infrared detection port, a rotary base and a crying detection device, the upper right end of the front side of the white noise instrument is provided with a projection port, the upper right end of the front side of the white noise instrument is provided with the infrared detection port near the lower left end of the projection port, the center of the bottom of the white noise instrument is fixedly connected with the center of the top of the rotary base, the inner bottom of the white noise instrument is fixedly connected with the bottom of the crying detection device, the rotary base comprises a right fixed block, a long rod, a right motor fixed block, a left motor fixed block, a right driving wheel, a left driving wheel, a connecting block and a movable bevel gear, a base outer wall is arranged outside the rotary base, the rear side of the inner bottom of the base outer wall is fixedly connected with the bottom of the long rod bottom fixed block, the left end of the top of the long rod bottom fixed block is fixedly connected with the bottom of the left fixed block, the right end of the top of the long rod bottom fixing block is fixedly connected with the bottom of the right fixing block, the centers of the inner sides of the left fixing block and the right fixing block are penetrated by the left and right sides of the long rod and are rotatably connected with the left and right sides of the long rod, the right front end of the bottom end in the outer wall of the base is fixedly connected with the right motor fixing block, the upper end of the front side of the right motor fixing block is penetrated by the output shaft of the right motor rear end and is rotatably connected with the output shaft of the right motor rear end, the rear end of the right motor is fixedly connected with the right end of the front side of the outer wall of the base, the rear end of the output shaft of the right motor rear end is fixedly connected with the front end of the right motor bevel gear, the right motor bevel gear is meshed with the right bevel gear, the centers of the left and right sides of the right bevel gear are penetrated by the right end of the long rod and are fixedly connected with the right end of the long rod, the left front end of the bottom end in the outer wall of the inner part of the outer wall of the base is fixedly connected with the bottom of the left motor fixing block, the left end is penetrated by the output shaft of the left motor rear end and is rotatably connected with the output shaft of the left motor rear end, the left motor rear end is fixedly connected with the left end of the outer wall of the base, the rear side of an output shaft of the left motor rear end is fixedly connected with the center of the front end of the left motor bevel gear, the left motor bevel gear is meshed with the left bevel gear, the centers of the front and rear sides of the left bevel gear are penetrated through by the long rod left end and fixedly connected with the long rod left end, the right middle end of the long rod penetrates through the centers of the left and right sides of the right driving wheel and is fixedly connected with the centers of the left and right sides of the left driving wheel, the middle end of the long rod is rotatably connected with the left and right ends of a connecting block, the right driving wheel is meshed with the right side of a movable bevel gear, the left side of the movable bevel gear is meshed with the left driving wheel, the rear upper end of the connecting block is rotatably connected with the center of the front side of the movable bevel gear, the center of the rear side of the movable bevel gear is fixedly connected with the center of the front side of the movable fixing block, and the top center of the movable fixing block is fixedly connected with the center of the bottom of the white noise instrument.

Preferably, the cry detection device comprises a lifting rod, a moving rod, a small motor fixing block and a touch switch, the outer part of the cry detection device is provided with a device outer wall, the bottom center inside the device outer wall is fixedly connected with the bottom of the fixing block, the top of the fixing block is fixedly connected with the bottom of a spring, the top of the spring is fixedly connected with the top center inside the device outer wall, the top center of the fixing block is penetrated by the lower end of the lifting rod and is in sliding connection with the lower end of the lifting rod, the middle lower end of the lifting rod penetrates through the center of the spring and is in sliding connection with the center of the spring, the middle upper end of the lifting rod penetrates through the top center of the device outer wall and is in sliding connection with the top center of the device outer wall, the upper ends of the left side and the right side of the fixing block are penetrated by the middle end of the moving rod and are in sliding connection with the middle end of the moving rod, the middle end of the top of the moving rod is in contact with the bottom of the lifting rod, the left side of the moving rod is fixedly connected with the right side of the screw rod, the middle end of the screw rod penetrates through the middle end of the right side of the outer wall of the device and is in sliding connection with the middle end of the right side of the outer wall of the device in a threaded manner, the right middle end of the outer surface of the screw rod penetrates through the centers of the left and right sides of the upper rotary wheel and is in threaded connection with the centers of the left and right sides of the upper rotary wheel, the middle end of the outer surface of the upper rotary wheel is in transmission connection with the inner surface of the upper end of the transmission belt, the inner surface of the lower end of the transmission belt is in transmission connection with the lower rotary wheel, the centers of the left and right sides of the lower rotary wheel are penetrated through by the left middle end of the left output shaft of the small motor and are fixedly connected with the left middle end of the left output shaft of the small motor, the left end of the output shaft of the small motor penetrates through the right lower end of the right side of the outer wall of the device and is in rotation connection with the lower end of the right side of the outer wall of the device, the right bottom end of the fixed block of the small motor is fixedly connected with the top of the small motor fixed block, the right middle end of the fixed rod in the interior of the white noise instrument is fixedly connected with the top of the touch switch, the bottom of the outer wall of the device is fixedly connected with the bottom end inside the white noise meter.

Preferably, the long rod is divided into two sections, and the middle ends of the long rod are connected together by virtue of the rotary connection of the long rod and the connecting block.

Preferably, the right motor and the left motor rotate the rear output shaft in the same direction at the same rotation speed or rotate the rear output shaft in different rotation speeds or different directions.

Preferably, the left end of the movable rod is twice thicker than the right end of the movable rod, and the joint is an inclined block which is higher at the left and lower at the right.

Preferably, the upper end of the upper rotating wheel is provided with a small end shaft, the right end of the small end shaft penetrates through the upper end of the rotating wheel and is rotatably connected with the upper end of the rotating wheel, and the left end of the small end shaft is fixedly connected with the upper end of the right side of the outer wall of the device.

Preferably, the spring is made of piano wires.

Preferably, the right transmission wheel is made of carbon steel.

The utility model has the advantages of as follows: the utility model discloses an improve and provide the white noise appearance of taking the detection function of crying here, compare with equipment of the same type, have following improvement:

white noise appearance of area cry detection function through having set up the detection device of crying, and the small motor work among the detection device of crying can drive lifter rebound and touch switch contact, when making the inside lower extreme chip of white noise appearance detect the crying, and the detection device of crying can contact with touch switch fast, comes transmission data for the inside lower extreme chip of white noise appearance, makes the inside lower extreme chip of white noise appearance make the reaction.

White noise appearance of area cry detection function, through having set up rotating base, upset around right motor and left motor in the rotating base can drive the white noise appearance with same rotational speed and equidirectional, upset about right motor and left motor in the rotating base can drive the white noise appearance with different rotational speeds and equidirectional, the inside upper end of white noise appearance leans on left chip can play the animation that children liked through the projection mouth projection to the white wall on, it can adjust the white noise appearance fast to make the white noise appearance detect the cry, broadcast animation jeer child, can also use the animation to remind the adult, strive for the time for the arrival of adult, make the arrival of the waiting adult that child can be quiet come.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the white noise meter of the present invention;

fig. 3 is a schematic view of the internal structure of the crying detection device of the present invention;

fig. 4 is a schematic structural view of the cry detection device of the present invention;

fig. 5 is a schematic structural view of the rotating base of the present invention.

Wherein: the device comprises a white noise instrument-1, a projection port-2, an infrared detection port-3, a rotary base-4, a base outer wall-41, a long rod bottom fixing block-42, a left fixing block-43, a right fixing block-44, a long rod-45, a right motor fixing block-46, a right motor-47, a right motor bevel gear-48, a right bevel gear-49, a left motor fixing block-410, a left motor-411, a left motor bevel gear-412, a left bevel gear-413, a right driving wheel-414, a left driving wheel-415, a connecting block-416, a movable bevel gear-417, a movable fixing block-418, a cry detection device-5, a device outer wall-51, a fixing block-52, a spring-53, a lifting rod-54, a movable rod-55, a screw rod-56, an upper rotating wheel-57, a transmission belt-58, a lower rotating wheel-59, a small motor-510, a small motor fixing block-511 and a touch switch-512.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

The first embodiment;

referring to fig. 1 and 5, the white noise meter with cry detection function of the present invention comprises a white noise meter 1, an infrared detection port 3, a rotary base 4 and a cry detection device 5, the upper right end of the front side of the white noise meter 1 is provided with a projection port 2, the upper right end of the front side of the white noise meter 1 near the lower left end of the projection port 2 is provided with the infrared detection port 3, the center of the bottom of the white noise meter 1 is fixedly connected with the center of the top of the rotary base 4, the bottom of the white noise meter 1 is fixedly connected with the bottom of the cry detection device 5, the rotary base 4 comprises a right fixed block 44, a long rod 45, a right motor fixed block 46, a left motor fixed block 410, a right transmission wheel 414, a left transmission wheel 415, a connection block 416 and a mobile bevel gear 417, the outer wall 41 of the base is arranged outside the rotary base 4, the rear side of the bottom of the outer wall 41 is fixedly connected with the bottom of the long rod bottom fixed block 42, the left end of the top of the long rod bottom fixed block 42 is fixedly connected with the bottom fixed block 43, the right end of the top of a long rod bottom fixing block 42 is fixedly connected with the bottom of a right fixing block 44, the inner centers of a left fixing block 43 and a right fixing block 44 are penetrated by the left and right sides of a long rod 45 and are rotatably connected with the left and right sides of the long rod 45, the right front end of the bottom end inside a base outer wall 41 is fixedly connected with the right motor fixing block 46, the upper end of the front side of the right motor fixing block 46 is penetrated by the rear end output shaft of a right motor 47 and is rotatably connected with the rear end output shaft of the right motor 47, the rear end of the right motor 47 is fixedly connected with the right end of the front end of the base outer wall 41, the rear end of the rear end output shaft of the right motor 47 is fixedly connected with the front end of a right motor bevel gear 48, the right motor bevel gear 48 is meshed with a right bevel gear 49, the centers of the left and right sides of the right bevel gear 49 are penetrated by the right end of the long rod 45 and are fixedly connected with the right end of the long rod 45, the left front end of the bottom end inside the base outer wall 41 is fixedly connected with a bottom end of the left motor fixing block 410, the upper end of the front side of the left motor fixing block 410 is penetrated by the output shaft of the rear end of the left motor 411 and is rotationally connected with the output shaft of the rear end of the left motor 411, the rear end of the left motor 411 is fixedly connected with the left end of the front side of the outer wall 41 of the base, the rear side of the output shaft of the rear end of the left motor 411 is fixedly connected with the center of the front end of the left motor bevel gear 412, the left motor bevel gear 412 is meshed with the left bevel gear 413, the centers of the front side and the rear side of the left bevel gear 413 are penetrated by the left end of the long rod 45 and are fixedly connected with the left end of the long rod 45, the right middle end of the long rod 45 is penetrated by the centers of the left side and the right side of the right driving wheel 414 and is fixedly connected with the centers of the left side and the right side of the left driving wheel 415, the middle end of the long rod 45 is rotationally connected with the left end and the right end of the connecting block 416, the right driving wheel 414 is engaged with the right side of a movable bevel gear 417, the left side of the movable bevel gear 417 is engaged with the left driving wheel 415, the rear upper end of a connecting block 416 is rotatably connected with the center of the front side of the movable bevel gear 417, the center of the rear side of the movable bevel gear 417 is fixedly connected with the center of the front side of a movable fixing block 418, the center of the top of the movable fixing block 418 is fixedly connected with the center of the bottom of the white noise meter 1, the long rod 45 is divided into two sections, the middle end of the long rod 45 is connected with the connecting block 416 in a rotating way, so that the left end and the right end of the long rod 45 rotate in different rotating speeds and different directions, the right motor 47 and the left motor 411 rotate the output shaft of the rear end in the same rotating speed and the same direction or rotate the output shaft of the rear end in different rotating speeds or different directions, and can drive the left end and the right end of the long rod 45 to rotate in different rotating speeds and different directions.

Referring to fig. 2, 3 and 4, the white noise monitor with cry detection function of the present invention comprises a lifting rod 54, a moving rod 55, a small motor fixing block 511 and a touch switch 512, wherein the cry detection device 5 is externally provided with a device outer wall 51, the bottom center inside the device outer wall 51 is fixedly connected with the bottom of the fixing block 52, the top of the fixing block 52 is fixedly connected with the bottom of a spring 53, the top of the spring 53 is fixedly connected with the top center inside the device outer wall 51, the top center of the fixing block 52 is penetrated by the lower end of the lifting rod 54 and is slidably connected with the lower end of the lifting rod 54, the middle lower end of the lifting rod 54 penetrates the center of the spring 53 and is slidably connected with the center of the spring 53, the middle upper end of the lifting rod 54 penetrates the center of the top of the device outer wall 51 and is slidably connected with the center of the top of the device outer wall 51, the middle ends of the left and right sides of the fixing block 52 are penetrated by the middle end of the moving rod 55 and are slidably connected with the middle end of the moving rod 55, the middle end of the top of the movable rod 55 is contacted with the contact surface of the bottom of the lifting rod 54, the left side of the movable rod 55 is fixedly connected with the right side of the screw rod 56, the middle end of the screw rod 56 penetrates through the middle end of the right side of the outer wall 51 of the device and is in threaded sliding connection with the middle end of the right side of the outer wall 51 of the device, the right middle end of the outer surface of the screw rod 56 penetrates through the centers of the left and right sides of the upper rotating wheel 57 and is in threaded connection with the centers of the left and right sides of the upper rotating wheel 57, the middle end of the outer surface of the upper rotating wheel 57 is in transmission connection with the inner surface of the upper end of the transmission belt 58, the inner surface of the lower end of the transmission belt 58 is in transmission connection with the lower rotating wheel 59, the centers of the left and right sides of the lower rotating wheel 59 are penetrated through by the left middle end of the left output shaft of the small motor 510 and are fixedly connected with the left middle end of the left output shaft of the small motor 510, the left end of the output shaft of the left side of the outer wall 51 is fixedly connected with the left fixing block 511 of the small motor, the top of small motor fixed block 511 and the bottom fixed connection of small motor 510, the right middle end of the inside middle end dead lever bottom of white noise appearance 1 and touch switch 512 top fixed connection, device outer wall 51 bottom and the inside bottom fixed connection of white noise appearance 1, the carriage release lever 55 left end is twice thicker than the right-hand member, the junction is a sloping block left-high right-low, make carriage release lever 55 move when removing right and drive lifter 54 rebound, it is equipped with a tip axle to go up the runner 57 upper end, the tip axle right-hand member runs through the runner 57 upper end and is connected with the runner 57 upper end rotation, tip axle left end and device outer wall 51 right side upper end fixed connection, be used for fixing last runner 57.

The second embodiment;

the utility model discloses a white noise appearance of area cry detection function, 1 inside upper end of white noise appearance are equipped with three chips, and the upper end is leaned on left chip to be used for detecting white wall and projection function, and the upper end is leaned on right chip to be used for playing the white noise, and the lower extreme chip is used for detecting the work of crying and controlling rotating base 4, crying detection device 5, upper end and leaning on left chip.

The utility model provides a white noise meter with crying detection function through improvement, and the working principle is as follows;

firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;

secondly, when the chip at the lower end inside the white noise instrument 1 detects crying, the chip at the lower end inside the white noise instrument 1 controls the small motor 51 to work, the small motor 510 works to drive the lower rotating wheel 59 to rotate clockwise, the lower rotating wheel 59 rotates to drive the transmission belt 58 to move clockwise, the transmission belt 58 moves to drive the upper rotating wheel 57 to rotate clockwise, the upper rotating wheel 57 rotates to drive the screw 56 to move rightward, the screw 56 moves to drive the moving rod 55 to move, the moving rod 55 moves to drive the lifting rod 54 to move upward, the lifting rod 54 moves upward, the top of the lifting rod 54 is contacted with the bottom of the touch switch 512, the touch switch 512 transmits data to the chip at the lower end inside the white noise instrument 1, the chip at the lower end inside the white noise instrument 1 can control the chip at the upper end inside the white noise instrument 1 to work close to the left chip, when the chip at the lower end inside the white noise instrument 1 detects crying, the crying detection device 5 can be rapidly contacted with the touch switch 512 to transmit data to the chip at the lower end inside the white noise instrument 1, the chip inside the white noise instrument 1 can react, and the white noise instrument can be used for solving the problem that the conventional white noise instrument only has the function of playing white noise, and the function of the crying of the white noise of the child, and the problem that the white noise can not be detected;

thirdly, the upper end inside the white noise meter 1 works close to the left chip to enable the infrared detection port 3 to detect an external white wall, after the detection, data are transmitted to the lower end chip inside the white noise meter 1, the lower end chip inside the white noise meter 1 can control the right motor 47 and the left motor 411 to work, when rear output shafts of the right motor 47 and the left motor 411 rotate at the same rotating speed and in the same direction, the rear output shafts of the right motor 47 and the left motor 411 can drive the right motor bevel gear 48 and the left motor bevel gear 412 to rotate, the right motor bevel gear 48 and the left motor bevel gear 412 can drive the right bevel gear 49 and the left bevel gear 413 to rotate, the right bevel gear 49 and the left bevel gear 413 can drive the long rod 45 to rotate, the long rod 45 can drive the right driving wheel 414 and the left driving wheel 415 to rotate, the right driving wheel 414 and the left driving wheel 415 can drive the movable bevel gear 417 to turn forwards and backwards, the movable bevel gear 417 turns over to drive the movable fixing block 418 to turn over, and the movable fixing block 418 turns over to drive the white noise meter 1 to turn forwards and backwards;

fourthly, when rear end output shafts of the right motor 47 and the left motor 411 rotate in opposite directions, the rear end output shafts of the right motor 47 and the left motor 411 can drive the right motor bevel gear 48 and the left motor bevel gear 412 to rotate, the right motor bevel gear 48 and the left motor bevel gear 412 can drive the right bevel gear 49 and the left bevel gear 413 to rotate, the right bevel gear 49 and the left bevel gear 413 can drive the long rod 45 to rotate, the long rod 45 can drive the right driving wheel 414 and the left driving wheel 415 to rotate, the right driving wheel 414 and the left driving wheel 415 can drive the movable bevel gear 417 to turn left and right, the movable bevel gear 417 turns over to drive the movable fixing block 418 to turn over, the movable fixing block 418 turns over to drive the white noise instrument 1 to turn left and right, the white noise instrument 1 is adjusted to an appropriate direction, animation which is played by a left chip inside the white noise instrument 1, the animation can be projected on a white wall through the projection port 2, the white noise instrument 1 can quickly adjust the white noise instrument 1 to play the animation, the animation can also use the animation to remind an adult that the child arrives, the child can wait for the problem that the adult climbs a lot of the adult can not easily come, the adult can be caught up, and the problem that the adult can hardly come about the adult can be solved, and the problem that the adult can be easily caused by the adult can be solved, and the problem that the adult can be solved.

The utility model discloses a white noise appearance of area cry detection function is provided through improving, through having set up cry detection device 5, the work of the small motor 510 in cry detection device 5 can drive lifter 54 and upwards move and touch switch 512 contact, when making the inside lower extreme chip of white noise appearance 1 detect the cry, cry detection device 5 can contact with touch switch 512 fast, comes the transmission data for the inside lower extreme chip of white noise appearance 1, makes the inside lower extreme chip of white noise appearance 1 make the reaction; through having set up rotating base 4, right motor 47 and left motor 411 in rotating base 4 can drive white noise appearance 1 with same rotational speed and equidirectional upset back and forth, right motor 47 and left motor 411 in rotating base 4 can drive white noise appearance 1 with different rotational speeds and equidirectional upset about, the animation that children liked can be broadcast to white noise appearance 1 inside upper end by left chip passes through projection mouth 2 projection to the white wall, make white noise appearance 1 detect crying can adjust white noise appearance 1 fast, broadcast animation jeer child, can also use the animation to remind the adult, strive for the time for the arrival of adult, make the arrival of the waiting adult that child can be quiet.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The white noise instrument with the crying detection function comprises a white noise instrument (1) and an infrared detection port (3), wherein a projection port (2) is arranged at the upper right end of the front side of the white noise instrument (1), and the infrared detection port (3) is arranged at the upper right end of the front side of the white noise instrument (1) close to the lower left end of the projection port (2);

the method is characterized in that: still include rotating base (4) and cry detection device (5), white noise appearance (1) bottom center and rotating base (4) top center fixed connection, white noise appearance (1) inside bottom and cry detection device (5) bottom fixed connection, rotating base (4) are including right fixed block (44) and stock (45), rotating base (4) outside is equipped with base outer wall (41), fixed block (42) bottom fixed connection at the bottom of the inside bottom rear side of base outer wall (41) and the stock, fixed block (42) top left end and left fixed block (43) bottom fixed connection at the bottom of the stock, fixed block (42) top right-hand member and right fixed block (44) bottom fixed connection at the bottom of the stock, left fixed block (43) and right fixed block (44) inboard center are run through by stock (45) left and right sides and are rotated with stock (45) left and right sides and are connected, the inside right front end of base outer wall (41) bottom and right motor bottom fixed block (46) fixed connection.

2. A white noise meter with crying detection function as claimed in claim 1, wherein: the rotating base (4) also comprises a right motor fixing block (46) and a left motor fixing block (410), the upper end of the front side of the right motor fixing block (46) is penetrated by the output shaft of the rear end of the right motor (47) and is rotationally connected with the output shaft of the rear end of the right motor (47), the rear end of the right motor (47) is fixedly connected with the right end of the front side of the outer wall (41) of the base, the rear end of an output shaft at the rear end of the right motor (47) is fixedly connected with the front end of a right motor bevel gear (48), the right motor bevel gear (48) is meshed with a right bevel gear (49), the centers of the left side and the right side of the right bevel gear (49) are penetrated by the right end of the long rod (45) and are fixedly connected with the right end of the long rod (45), the left front end of the bottom end in the outer wall (41) of the base is fixedly connected with the bottom plate of the left motor fixing block (410), the upper end of the front side of the left motor fixing block (410) is penetrated by the output shaft of the rear end of the left motor (411) and is rotationally connected with the output shaft of the rear end of the left motor (411), the rear end of the left motor (411) is fixedly connected with the left end of the front side of the outer wall (41) of the base, the rear side of the rear output shaft of the left motor (411) is fixedly connected with the center of the front end of the left motor bevel gear (412), the left motor bevel gear (412) is meshed with the left bevel gear (413), the centers of the front side and the rear side of the left bevel gear (413) are penetrated by the left end of the long rod (45) and are fixedly connected with the left end of the long rod (45).

3. A white noise meter with crying detection function as claimed in claim 2, wherein: the rotary base (4) further comprises a right driving wheel (414), a left driving wheel (415), a connecting block (416) and a movable bevel gear (417), the right middle end of the long rod (45) penetrates through the centers of the left side and the right side of the right driving wheel (414) and is fixedly connected with the centers of the left side and the right side of the right driving wheel (414), the left middle end of the long rod (45) penetrates through the centers of the left side and the right side of the left driving wheel (415) and is fixedly connected with the centers of the left side and the right side of the left driving wheel (415), the middle end of the long rod (45) is rotatably connected with the left end and the right end of the connecting block (416), the right driving wheel (414) is meshed with the right side of the movable bevel gear (417), the left side of the movable bevel gear (417) is meshed with the left driving wheel (415), the rear upper end of the connecting block (416) is rotatably connected with the center of the front side of the movable bevel gear (417), the center of the rear side of the movable bevel gear (417) is fixedly connected with the center of the front side of the movable fixing block (418), and the top center of the movable fixing block (418) is fixedly connected with the center of the bottom of the white noise meter (1).

4. The white noise meter with crying detection function according to claim 1, characterized in that: the cry detection device (5) comprises a lifting rod (54) and a moving rod (55), a device outer wall (51) is arranged outside the cry detection device (5), the center of the bottom end inside the device outer wall (51) is fixedly connected with the bottom of a fixed block (52), the top of the fixed block (52) is fixedly connected with the bottom of a spring (53), the top of the spring (53) is fixedly connected with the center of the top end inside the device outer wall (51), the center of the top end of the fixed block (52) is penetrated through by the lower end of the lifting rod (54) and is in sliding connection with the lower end of the lifting rod (54), the center of the spring (53) is penetrated through by the lower end of the middle end of the lifting rod (54) and is in sliding connection with the center of the top of the device outer wall (51), the upper ends of the left side and the right side of the fixed block (52) are penetrated through by the middle end of the moving rod (55) and are in sliding connection with the middle end of the moving rod (55), and the middle end of the top of the moving rod (55) is in contact with the bottom contact surface of the lifting rod (54).

5. The white noise meter with crying detection function as claimed in claim 4, wherein: the crying detection device (5) also comprises a small motor fixing block (511) and a touch switch (512), the left side of the moving rod (55) is fixedly connected with the right side of the screw rod (56), the middle end of the screw rod (56) penetrates through the middle end of the right side of the outer wall (51) of the device and is in threaded sliding connection with the middle end of the right side of the outer wall (51) of the device, the right middle end of the outer surface of the screw rod (56) penetrates through the centers of the left side and the right side of the upper rotating wheel (57) and is in threaded connection with the centers of the left side and the right side of the upper rotating wheel (57), the middle end of the outer surface of the upper rotating wheel (57) is in transmission connection with the inner surface of the upper end of a transmission belt (58), the inner surface of the lower end of the transmission belt (58) is in transmission connection with a lower rotary wheel (59), the centers of the left side and the right side of the lower rotating wheel (59) are penetrated by the left middle end of the left end output shaft of the small motor (510) and fixedly connected with the left middle end of the left end output shaft of the small motor (510), the left side of the output shaft at the left end of the small motor (510) penetrates through the lower end of the right side of the outer wall (51) of the device and is rotationally connected with the lower end of the right side of the outer wall (51) of the device, the bottom end of the right side of the outer wall (51) of the device is fixedly connected with the left side of a small motor fixing block (511), the top of the small motor fixing block (511) is fixedly connected with the bottom of the small motor (510), the right middle end of the bottom of the middle end fixing rod in the white noise instrument (1) is fixedly connected with the top of the touch switch (512), the bottom of the outer wall (51) of the device is fixedly connected with the bottom end in the white noise instrument (1).

6. A white noise meter with crying detection function as claimed in claim 1, wherein: the long rod (45) is divided into two sections, and the middle ends of the two sections are connected together by means of the rotary connection of the connecting block (416).

7. A white noise meter with crying detection function as claimed in claim 2, wherein: the right motor (47) and the left motor (411) rotate the output shaft at the rear end in the same direction at the same rotating speed or rotate the output shaft at the rear end in different rotating speeds or different directions.

8. The white noise meter with crying detection function as claimed in claim 4, wherein: the left end of the moving rod (55) is twice thicker than the right end, and the joint is an inclined block which is higher at the left and lower at the right.

9. The white noise meter with crying detection function according to claim 5, wherein: the upper end of the upper rotating wheel (57) is provided with a small end shaft, the right end of the small end shaft penetrates through the upper end of the rotating wheel (57) and is rotatably connected with the upper end of the rotating wheel (57), and the left end of the small end shaft is fixedly connected with the upper end of the right side of the outer wall (51) of the device.

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