WO2018010377A1

WO2018010377A1 - Baby hearing protection system and method for use in baby carriage

Info

Publication number: WO2018010377A1
Application number: PCT/CN2016/111164
Authority: WO
Inventors: 张贯京
Original assignee: 深圳市前海安测信息技术有限公司
Priority date: 2016-07-09
Filing date: 2016-12-20
Publication date: 2018-01-18
Also published as: CN106184335B; CN106184335A

Abstract

Provided is a baby hearing protection system (10) for use in a baby carriage (1). The baby carriage (1) comprises a first sound sensor (11), an electric motor (12), an electronic vent valve (13), a second sound sensor (14), a projection unit (15) and a memory (16) respectively connected to a microprocessor (17) via a data bus. The system (10) comprises: a noise monitoring module (101) for detecting and determining whether the ambient noise is greater than a first sound intensity value via the first sound sensor (11); a hearing protection module (102) for controlling the electric motor (12) to enable noise reduction cloth (3) to be unrolled and cover an opening of the baby carriage (1) when the ambient noise is greater than the first sound intensity value and for controlling the opening of the electronic vent valve (13); a crying detection module (103) for monitoring the baby's crying via the second sound sensor (14) and controlling the projection unit (15) to project cartoon pictures to a lower surface of the noise reduction cloth (3); and a protection removing module (104) for controlling the rolling-up of the noise reduction cloth (3) when the ambient noise is less than a second sound intensity value. Further provided is a baby hearing protection method. The system and the method can applied to reduce the intensity of ambient noise so as to protect a baby against hearing impairment caused by the ambient noise.

Description

Infant hearing protection system and method for infants and toddlers

Technical field

[0001] The present invention relates to the field of life health, and in particular to an infant hearing protection system and method.

Background technique

[0002] The environment in which people live often produces violent environmental noise, such as rock music, car horns, ship whistle, gunfire, and thunder. In general, people who live in a noise environment above 90 dB will affect their hearing. If suddenly exposed to a noise environment of more than 120dB, people's eardrum will rupture and suffer damage, resulting in hearing loss in both ears. Therefore, people need to avoid long-term life in a noisy environment, especially for the hearing protection of infants and young children. People use earplugs to put them in their ears or wear a noise-proof protective cover outside the auricle to protect them. However, since the ear of the infant is small, it is inconvenient to wear and it is easy to fall off, the earplug or the noise-proof protective cover can not effectively protect the hearing of the infant, and the hearing of the infant is damaged by the external environmental noise, thereby affecting the hearing of the infant. And physical and mental health.

technical problem

[0003] The main object of the present invention is to provide a hearing protection system and method for infants and young children, which aims to solve the problem that the hearing loss of infants and young children cannot be effectively protected from external environmental noise damage.

Problem solution

Technical solution

[0004] In order to achieve the above object, the present invention provides an infant hearing protection system for use in an infant car, the baby carriage including a first sound sensor, a motor motor, an electronic vent valve, a second sound sensor, and a projection unit, wherein the motor motor is mechanically coupled to the first shaft reel and the second shaft reel by a V-belt, and the first shaft reel is wrapped with a muffler cloth, the system comprising:

[0005] a noise monitoring module, configured to detect, by the first sound sensor, a volume decibel value of the ambient noise, and determine whether the volume decibel value of the ambient noise is greater than the first sound intensity value;

[0006] a hearing protection module, configured to: when the volume decibel value of the ambient noise is greater than the first sound intensity value, controlling the motor motor to drive the first rotating shaft reel and the second rotating shaft reel through the V-belt to rotate in the forward direction In The muffler cloth on the first shaft reel is spread and covered on the opening of the infant car, and the electronic vent valve is controlled to open the environment to communicate with the air in the infant car;

[0007] a crying monitoring module, configured to determine whether the second sound sensor detects the crying of the infant, and when the second sound sensor detects the crying sound of the infant, the projection unit controls the projection unit to project the cartoon image to the lower surface of the muffler cloth. Preventing the crying of infants and young children from damaging the hearing of infants and young children.

[0008] Preferably, the infant hearing protection system further includes a protection release module, wherein the protection release module is configured to determine whether a volume decibel value of the ambient noise is lower than a second sound intensity value, and when the noise signal has a volume decibel value lower than The second sound intensity value 吋, the control motor motor drives the first rotating shaft reel and the second rotating shaft reel to rotate in the opposite direction by the V-belt, and the muffler cloth covering the opening of the baby carriage is rolled back to the first rotating shaft reel on.

[0009] Preferably, the second sound intensity value is smaller than the first sound intensity value.

[0010] Preferably, the sound absorbing cloth comprises a first fiber layer and a second fiber layer, a first plastic film is disposed between the first fiber layer and the second fiber layer, and a second surface of the first fiber layer is provided with a second plastic film.

[0011] Preferably, the surface of the first plastic film and the second plastic film are undulating and uneven to form a film resonance structure to absorb ambient noise of a plurality of different frequency segments.

[0012] In order to achieve the above object, the present invention also provides a hearing protection method for an infant, which is applied to an infant car, the baby carriage including a first sound sensor, a motor motor, an electronic vent valve, and a second sound sensor. And the projection unit, the motor motor is mechanically coupled to the first shaft reel and the second shaft reel by a V-belt, and the first shaft reel is wrapped with a muffler cloth, and the method comprises the steps of:

[0013] detecting, by the first sound sensor, a volume decibel value of the ambient noise;

[0014] determining whether the volume decibel value of the ambient noise is greater than the first sound intensity value;

[0015] When the volume decibel value of the ambient noise is greater than the first sound intensity value 吋, the control motor motor drives the first shaft reel and the second shaft reel through the V-belt to rotate in the same direction as the first shaft reel The sound-absorbing cloth is spread and covered on the opening of the infant car, and the electronic ventilating valve is controlled to open the environment and the air in the infant car;

[0016] determining whether the second sound sensor detects the crying of the infant;

[0017] When the second sound sensor detects the crying sound of the infant, the projection unit projects the cartoon image to the lower surface of the muffler cloth to prevent the crying sound generated by the infant crying from damaging the hearing of the infant. [0018] Preferably, the infant hearing protection method further comprises the steps of:

[0019] determining whether the volume decibel value of the ambient noise is lower than the second sound intensity value;

[0020] When the volume decibel value of the noise signal is lower than the second sound intensity value 吋, controlling the motor motor to drive the first shaft reel and the second shaft reel by the V-belt to rotate in the opposite direction will cover the opening of the infant car The muffler cloth on the mouth is rolled back onto the first reel drum.

[0021] Preferably, the second sound intensity value is smaller than the first sound intensity value.

[0022] Preferably, the sound absorbing cloth comprises a first fiber layer and a second fiber layer, a first plastic film is disposed between the first fiber layer and the second fiber layer, and a second surface of the first fiber layer is provided with a second plastic film.

[0023] Preferably, the surface of the first plastic film and the second plastic film are undulating and rugged to form a film resonance structure to absorb ambient noise of a plurality of different frequency segments.

Advantageous effects of the invention

Beneficial effect

Compared with the prior art, the infant hearing protection system and method of the present invention adopts the above technical solutions, and achieves the following technical effects: capable of detecting external environmental noise, when the volume of environmental noise is greater than the hearing pain of infants and toddlers Threshold value 吋, the first rotating shaft reel and the second rotating shaft reel automatically unfold and cover the opening of the baby carriage, thereby effectively reducing the intensity of external environmental noise and preventing the hearing loss of the infant from being subjected to external environmental noise. damage. In addition, the present invention can effectively prevent the hearing and physical and mental health of infants and young children from being cries due to crying of infants and toddlers in infant cars.

Brief description of the drawing

DRAWINGS

1 is a schematic diagram of an application environment of a preferred embodiment of the infant hearing protection system of the present invention;

2 is a schematic structural view of the infant car of FIG. 1;

3 is a schematic structural view of the muffler cloth of FIG. 2;

4 is a flow chart of a preferred embodiment of the infant hearing protection method of the present invention.

[0029] The objects, features, and advantages of the present invention will be further described in conjunction with the embodiments.

BEST MODE FOR CARRYING OUT THE INVENTION

BEST MODE FOR CARRYING OUT THE INVENTION The specific embodiments, structures, features, and effects of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0031] Referring to FIG. 1, FIG. 1 is a schematic diagram of an application environment of a preferred embodiment of the infant hearing protection system of the present invention. In the present embodiment, the infant hearing protection system 10 is installed and operated in the infant car 1, and the baby carriage 1 further includes, but is not limited to, the first sound sensor 11, the motor motor 12, and the electronic vent valve. 13. A second sound sensor 14, a projection unit 15, a memory 16, and a microprocessor 17. The first sound sensor 11, the motor motor 12, the electronic vent valve 13, the second sound sensor 14, the projection unit 15, and the memory 16 are all connected to the microprocessor through a data bus (indicated by a double arrow in Fig. 1). On the device 17, and can perform information interaction with the infant hearing protection system 10 via the microprocessor 17.

Referring to FIG. 2, FIG. 2 is a schematic structural view of the infant car 1 of FIG. In the present embodiment, the baby carriage 1 is a rectangular parallelepiped structure with an open side, and each side wall surface is made of a hard plastic material for the infant to play or sleep in the infant car 1. a first rotating shaft reel 2 is disposed on an open upper edge side of the infant car 1 , and a second rotating shaft reel 4 is disposed on an opposite side of the open upper edge of the infant car 1 , and the first rotating shaft reel 2 and the Two ends of the two shaft reels 4 are respectively provided with a drawstring 5. The first spindle reel 2 and the second spindle reel 4 are mechanically coupled to the motor motor 12 via a V-belt 120. When the motor motor 12 rotates in the forward direction, the first rotating shaft reel 2 and the second rotating shaft reel 4 are rotated forward by the V-belt 120. When the motor 12 rotates in the reverse direction, the first rotating shaft reel is driven by the V-belt 120. 2 and the second spindle reel 4 rotates in the reverse direction.

[0033] In the embodiment, the first rotating shaft reel 2 is wrapped with a sound absorbing cloth 3, and one end of each pulling rope 5 is fixed on two opposite sides of the sound absorbing cloth 3, and each of the pulling ropes 5 The other ends are fixedly coupled to both ends of the second reel drum 4, respectively. When the first rotating shaft reel 2 and the second rotating shaft reel 4 are rotated in the forward direction, the two pulling cords 5 are pulled to drive the muffler cloth 3 to be spread and covered on the opening of the infant car 1. When the first rotating shaft reel 2 and the second rotating shaft reel 4 are rotated in the opposite direction, the two pulling cords 5 are pulled to drive the muffler cloth 3 back from the opening of the infant car 1 to the first rotating shaft reel 2.

[0034] The muffler cloth 3 is used to cover the opening of the infant car 1 and absorb environmental noise, thereby effectively reducing the intensity of external environmental noise, and preventing the hearing of infants in the infant car 1 from being damaged by external environmental noise. The ambient noise includes, but is not limited to, rock music, car horn sounds, ship whistle sounds, firecracker sounds, and thunder. The muffler cloth 3 is made of a soft muffling insulation material and can be wound on the first reel drum 2.

3 is a schematic structural view of the muffler cloth of FIG. 2. In this embodiment, the muffler cloth 3 includes a first fiber layer 31 and a second fiber layer 32. A first plastic film 33 is disposed between the first fiber layer 31 and the second fiber layer 32, and the first fiber layer 31 is disposed. The upper surface is provided with a second plastic film 34. The surfaces of the first plastic film 33 and the second plastic film 34 are undulating and uneven, so that the first plastic film 33 and the second plastic film 34 form a film resonance structure, forming an absorption peak of environmental noise for a plurality of different frequency segments. Therefore, the ambient noise of a plurality of different frequency segments can be absorbed to achieve an excellent sound absorption and noise reduction effect. The first plastic film 33 and the second plastic film 34 are made of PE (polyethylene)

, polyethylene, abbreviated as PE) material or PET (Polyethylene terephthalate, commonly known as polyester resin, simply called PET) material.

[0036] As shown in FIG. 1 and FIG. 2, the first sound sensor 11 is mounted on the outer surface of the baby carriage 1 for detecting an environmental noise signal and transmitting an environmental noise signal to the microprocessor 17. .

[0037] The motor motor 12 is configured to drive the first rotating shaft reel 2 and the second rotating shaft reel 4 to rotate in the forward direction or in the opposite direction by the V-belt 120 under the control of the microprocessor 17. When the motor motor 12 rotates in the forward direction, the first rotating shaft reel 2 and the second rotating shaft reel 4 are rotated forward by the V-belt 120. When the motor 12 rotates in the reverse direction, the first rotating shaft reel is driven by the V-belt 120. 2 and the second shaft reel 4 reverse rotation

[0038] The electronic vent valve 13 is disposed on the side wall of the infant car 1 for venting the external environment and the air in the infant car 1 when the electronic vent valve 13 is activated, thereby promoting the opening of the infant car 1 Infants and young children in the infant car 1 covered with silencer cloth are breathable.

[0039] The second sound sensor 14 is configured to sense a crying signal of the infant and send the crying signal of the infant to the microprocessor 17. Since the opening of the infant car 1 is covered by the muffler cloth 3, the infant will have a fear and cry out loud. If the infant is crying too much, it may damage the hearing of the infant. The projection unit 15 is used for projecting a cartoon picture to the lower surface of the muffler cloth 3 to attract the infant to divert attention, thereby preventing the infant from crying and causing crying to damage his own hearing. In the present embodiment, the second sound sensor 14 and the projection unit 15 are both disposed in the side wall of the infant car 1. The cartoon picture is pre-stored in the memory 1 6, such as baby bear cartoon painting.

[0040] The memory 16 may be a read-only memory unit ROM, an electrically erasable memory unit EEPROM or a flash memory unit FLASH, and the like, for storing program instruction codes constituting the infant hearing protection system 10. . The microprocessor 17 may be a micro control unit (MCU), a data processing chip, or an information processing unit having a data processing function for executing the infant hearing protection system.

[0041] In this embodiment, a micro battery 18 is further disposed on a sidewall of the baby carriage 1 for providing working power for the motor motor 12, the electronic vent valve 13, the projection unit 15, and the microprocessor 17. . The infant car 1 is further provided with a stroller 6 for the guardian to push and pull the infant car 1 to move. The bottom of the infant car 1 is provided with four universal wheels 7, which facilitate the movement of the infant car 1.

Referring to FIG. 1, the infant hearing protection system 10 includes, but is not limited to, a noise monitoring module 101, a hearing protection module 102, a crying monitoring module 103, and a protection release module 104. The term "module" as used herein refers to a series of computer program instructions that can be executed by the microprocessor 17 of the infant car 1 and that are capable of performing a fixed function, which is stored in the memory 16 of the infant car 1. .

The noise monitoring module 101 is configured to detect, by the first sound sensor 11, a volume decibel value of the ambient noise, and determine whether the volume decibel value of the environmental noise is greater than the first sound intensity value. Under normal circumstances, the average person's hearing pain threshold is 120dB (decibel). When the volume reaches 120dB or more, it will stimulate the hearing pain threshold of most people, thus damaging people's hearing. In the present embodiment, since the hearing pain threshold of the infant is lower than that of the adult, the first sound intensity value can be set to 100 dB in advance.

[0044] The hearing protection module 102 is configured to control the motor motor 12 to drive the first rotating shaft reel 2 and the second rotating shaft reel 4 through the V-belt 120 when the volume decibel value of the environmental noise is greater than the first sound intensity value 吋The muffler cloth 3 wound on the first reel drum 2 is rotated and stretched over the draw cord 5 to cover the opening of the infant car 1. The muffler cloth 3 covers the opening of the infant car 1 and absorbs external environmental noise, thereby reducing the intensity of external environmental noise and preventing the hearing of the infant in the infant car 1 from being damaged by external environmental noise. After the muffler cloth 3 covers the opening of the infant car 1, the hearing protection module 102 controls the motor motor 12 to stop the forward rotation so that the muffler cloth 3 covers the opening of the infant car 1. The hearing protection module 102 is further configured to cover the open cymbal of the infant car 1 when the muffler cloth 3 is covered, and control the electronic vent valve 13 on the infant car 1 to open the environment and the air in the baby carriage 1 Circulation, avoiding infant cars 1 The opening covers the silencer cloth 3, causing the air to not circulate, ensuring the baby's breathing is smooth.

[0045] The crying monitoring module 103 is configured to determine whether the second sound sensor 14 detects the crying of the infant, and when the second sound sensor 14 detects the crying of the infant, the projection unit 15 is controlled to project a cartoon image to The lower surface of the muffler cloth 3 prevents the crying of the infant from crying and damages the hearing of the infant. In the present embodiment, since the opening of the infant car 1 is covered by the muffler cloth 3, the infant will have a fear and cry out loud. If the infant is crying too much, it will damage the hearing of the infant and affect the physical and mental health of the infant.

[0046] The protection release module 104 is configured to determine whether the volume decibel value of the ambient noise is lower than the second sound intensity value. In this embodiment, the second sound intensity value is smaller than the first sound intensity value, and the second sound intensity value may be set to 80 dB in advance. When the volume decibel value of the noise signal is lower than the second sound intensity value, the protection release module 104 is further configured to control the motor motor 12 to drive the first reel reel 2 and the second reel reel 4 to rotate in the reverse direction by the V-belt 120. The muffler cloth 3 on the opening of the infant car 1 is wound back onto the first reel drum 2 by the drawstring 5, thereby keeping the opening of the infant car 1 and the outside environment ventilated, avoiding the long silence of the muffler cloth 3. Covering the exposure of the infant car 1 affects the physical and mental health of the infant. After the muffler cloth 3 is retracted from the opening of the infant car 1 to the first reel drum 2, the protection release module 104 controls the motor motor 12 to stop the reverse rotation to wrap the muffler cloth 3 in the first A shaft reel 2 is attached.

[0047]

[0048] The present invention also provides an infant hearing protection method corresponding to an infant hearing protection system, which is applied to an infant car 1 and can effectively reduce the intensity of external environmental noise and prevent the baby in the infant car 1 Infants and young children are exposed to external environmental noise. As shown in Fig. 4, Fig. 4 is a flow chart showing a preferred embodiment of the infant hearing protection method of the present invention. In the present embodiment, referring to Figures 1 and 2, the infant hearing protection method comprises the following steps:

[0049] Step S41: The volume decibel value of the ambient noise is detected by the first sound sensor. Specifically, the noise monitoring module 101 detects the volume decibel value of the ambient noise through the first sound sensor 11. In this embodiment, the ambient noise includes, but is not limited to, rock music, car horn, ship whistle, firecracker, thunder, and the like.

[0050] Step S42, whether the volume decibel value of the ambient noise is greater than the first sound intensity value; specifically, the noise monitoring module 101 determines whether the volume decibel value of the environmental noise is greater than the first sound intensity value. In general, The average person's hearing pain threshold is 120dB. When the volume reaches 120dB or more, it will stimulate the hearing pain threshold of most people and damage people's hearing. In the present embodiment, since the hearing pain threshold of the infant is lower than that of the adult, the first sound intensity value can be set to 100 dB in advance. When the volume decibel value of the ambient noise is greater than the first sound intensity value 吋, step S43 is performed; when the volume decibel value of the ambient noise is not greater than the first sound intensity value 吋, step S41 is continued.

[0051] step S43, controlling the motor motor to drive the first rotating shaft reel and the second rotating shaft reel to rotate in the forward direction to expand the silencer cloth wound on the first rotating shaft reel and cover the opening of the infant car; The hearing protection module 102 controls the motor motor 12 to drive the first rotating shaft reel 2 and the second rotating shaft reel 4 to rotate in the forward direction by the V-belt 120, and pulls the muffler cloth 3 wound on the first rotating shaft reel 2 through The rope 5 is spread and tiled over the opening of the infant car 1. As shown in FIG. 3, the sound absorbing fabric 3 includes a first fiber layer 31 and a second fiber layer 32. A first plastic film 33 is disposed between the first fiber layer 31 and the second fiber layer 32. The first fiber layer 3 is disposed. The upper surface of 1 is provided with a second plastic film 34. The surfaces of the first plastic film 33 and the second plastic film 34 are undulating and uneven, so that the first plastic film 33 and the second plastic film 34 form a film resonance structure, forming an absorption peak of environmental noise for a plurality of different frequency segments. Therefore, the ambient noise of a plurality of different frequency segments can be absorbed to achieve an excellent sound absorption and noise reduction effect. In the present embodiment, the muffler cloth 3 covers the opening of the baby carriage 1 and absorbs external environmental noise, thereby reducing the intensity of external environmental noise, and effectively preventing the hearing of the infant in the infant car 1 from being exposed to the outside world. Damage to environmental noise.

[0052] Step S44, controlling the electronic ventilating valve on the infant car to circulate the external environment and the air in the infant car; specifically, the hearing protection module 102 controls the electronic vent valve 13 on the infant car to open the outside world. The environment and the air in the baby carriage 1 are circulated, so that the opening of the baby carriage 1 is covered with the silencer cloth 3, so that the air does not circulate, and the infant's breathing is ensured.

[0053] Step S45, whether the second sound sensor detects the crying of the infant; specifically, the crying monitoring module 103 determines whether the second sound sensor 14 detects the crying of the infant, if the second sound sensor 14 monitors When the crying of the infant is performed, step S46 is performed; if the second sound sensor 14 does not detect the crying of the infant, step S47 is performed. In the present embodiment, since the opening of the infant car 1 is covered with the muffler cloth 3, the infant will have a fear and cry out loud. If the infant is crying too much, it will damage the hearing of the infant and affect the physical and mental health of the infant.

[0054] Step S46, controlling the projection unit to project a cartoon picture to the lower surface of the muffler cloth to prevent the infant from crying. The crying damages the hearing; specifically, the crying monitoring module 103 controls the projection unit 15 to project a cartoon picture to the lower surface of the muffler cloth 3 in order to attract the attention of the infant, thereby preventing the cries of the infant crying from damaging the infant hearing.

[0055] Step S47: Whether the volume decibel value is lower than the second sound intensity value; specifically, the protection release module 104 determines whether the volume decibel value of the environmental noise is lower than the second sound intensity value. In this embodiment, the second sound intensity value is smaller than the first sound intensity value, and the second sound intensity value may be set to 80 dB in advance. If the volume decibel value of the noise signal is lower than the second sound intensity value, step S48 is performed; if the volume decibel value of the noise signal is not lower than the second sound intensity value, the process returns to step S45.

[0056] step S48, controlling the motor motor to drive the first rotating shaft reel and the second rotating shaft reel to rotate in reverse, and winding the muffler cloth covering the opening of the baby carriage back onto the first rotating shaft reel; specifically, Protection release module丄

04. Control motor motor 12 drives first shaft reel 2 and second reel reel 4 to rotate in the opposite direction by V-belt 120. The muffler cloth 3 covering the opening of the infant car 1 is rolled back to the third through the cord 5 A shaft reel 2 is arranged to keep the opening of the infant car 1 from ventilating to the outside environment, so as to prevent the opening of the baby car 1 from covering the opening of the baby car 3, thereby affecting the physical and mental health of the infant.

[0057] The infant hearing protection system and method of the present invention can implement the detection of environmental noise generated by the external environment. When the volume of the environmental noise is greater than the hearing pain threshold of the infant, the first shaft through the open position of the infant car 1 The reel 2 and the second reel drum 4 automatically spread the silencer cloth and cover the opening of the infant car 1, thereby effectively reducing the intensity of the external environmental noise and preventing the hearing of the infant from being damaged by external environmental noise. Further, the present invention can effectively prevent the hearing and physical and mental health of infants and young children from being cries due to crying of infants and toddlers in the infant car 1.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the equivalent structure or equivalent function transformations made by the description of the present invention and the contents of the drawings may be directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

Industrial applicability

Compared with the prior art, the infant hearing protection system and method of the present invention adopts the above technical solutions, and achieves the following technical effects: capable of detecting external environmental noise, when the volume of environmental noise is greater than the hearing pain of infants and toddlers The threshold value 自动, the first rotating shaft reel and the second rotating shaft reel automatically spread the silencer cloth and cover the opening of the baby carriage, thereby effectively reducing the intensity of external environmental noise and preventing infants and young children. Children's hearing is damaged by external environmental noise. In addition, the present invention can effectively prevent the hearing and physical and mental health of infants and young children from being cries due to crying of infants and toddlers in infant cars.

Claims

Claim

[Claim 1] An infant hearing protection system, which is applied to an infant car, characterized in that the infant car includes a first sound sensor, a motor motor, an electronic vent valve, a second sound sensor, and a projection unit. The motor motor is mechanically coupled to the first rotating shaft reel and the second rotating shaft reel by a V-belt, and the first rotating shaft reel is wrapped with a sound-absorbing cloth, and the infant hearing protection system comprises: a noise monitoring module, The first sound sensor detects the volume decibel value of the ambient noise, and determines whether the volume decibel value of the ambient noise is greater than the first sound intensity value; the hearing protection module is configured to: when the ambient noise has a volume decibel value greater than the first sound The intensity value 吋, the motor motor is controlled to drive the first rotating shaft reel and the second rotating shaft reel by a V-belt, and the muffling cloth wrapped on the first rotating shaft reel is spread and covered in the baby carriage. On the open, and control the electronic venting valve to open the environment to communicate with the air inside the infant car; And determining whether the second sound sensor detects the crying of the infant, and when the second sound sensor detects the crying of the infant, the projection unit projects the cartoon image to the lower surface of the silencer to prevent the infant from crying. Crying damages the hearing of infants and young children.

[Claim 2] The infant hearing protection system according to claim 1, wherein the system further comprises a protection release module, wherein the protection release module is configured to determine whether the volume decibel value of the ambient noise is lower than the second sound intensity Value, when the volume decibel value of the noise signal is lower than the second sound intensity value 吋, the control motor motor drives the first shaft reel and the second shaft reel through the V-belt to rotate in the opposite direction to cover the opening of the infant car The muffler cloth is rolled back onto the first reel drum.

[Claim 3] The infant hearing protection system according to claim 2, wherein the second sound intensity value is smaller than the first sound intensity value.

[Claim 4] The infant hearing protection system according to claim 1, wherein the muffler cloth includes a first fiber layer and a second fiber layer, and a first fiber layer and a second fiber layer are disposed between The first plastic film, the upper surface of the first fiber layer is provided with a second plastic film.

[Claim 5] The infant hearing protection system according to claim 4, wherein the surface of the first plastic film and the second plastic film are undulating and uneven to form a film resonance structure for a plurality of Ambient noise is absorbed in different frequency bands.

An infant hearing protection method is applied to an infant car, characterized in that the infant car comprises a first sound sensor, a motor motor, an electronic vent valve, a second sound sensor and a projection unit, and the motor motor passes The V-belt is mechanically coupled with the first rotating shaft reel and the second rotating shaft reel, and the first rotating shaft reel is wrapped with a sound-absorbing cloth, and the infant hearing protection method comprises the steps of: detecting by the first sound sensor The volume decibel value of the environmental noise; determining whether the volume decibel value of the environmental noise is greater than the first sound intensity value; when the volume decibel value of the environmental noise is greater than the first sound intensity value 吋, controlling the motor motor to drive the first shaft reel through the V-belt and The second rotating shaft reel rotates in the same direction, and the sound-absorbing cloth wrapped on the first rotating shaft roll is spread and covered on the opening of the baby carriage, and the electronic ventilating valve is controlled to open the environment and the baby carriage. Air circulation inside; determine whether the second sound sensor detects the crying of the infant; when the second sound sensor monitors The baby's crying sound is detected, and the projection unit is projected to project a cartoon picture to the lower surface of the muffler cloth to prevent the crying sound generated by the infant crying from damaging the hearing of the infant.

The infant hearing protection method according to claim 6, wherein the method further comprises the steps of: determining whether the volume decibel value of the ambient noise is lower than the second sound intensity value; and when the noise signal has a volume decibel value lower than the second The sound intensity value 吋, the control motor motor drives the first rotating shaft reel and the second rotating shaft reel to rotate in the opposite direction by the V-belt to rewind the sound-absorbing cloth covering the opening of the baby carriage to the first rotating shaft reel.

The infant hearing protection method according to claim 7, wherein the second sound intensity value is smaller than the first sound intensity value.

The infant hearing protection method according to claim 6, wherein the muffler cloth comprises a first fiber layer and a second fiber layer, and a first plastic film is disposed between the first fiber layer and the second fiber layer, The upper surface of the first fibrous layer is provided with a second plastic film.

The infant hearing protection method according to claim 9, wherein the surface of the first plastic film and the second plastic film are undulated and uneven to form a film resonance structure for absorbing ambient noise of a plurality of different frequency bands.