CN210471099U

CN210471099U - Mouth ear shield integrated protective tool

Info

Publication number: CN210471099U
Application number: CN201921476714.4U
Authority: CN
Inventors: 冒林渭; 孟奕阳; 张英姿
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-08
Anticipated expiration: 2029-09-06

Abstract

An earmuff integrated protective tool belongs to the technical field of protective tools. Including filterability gauze mask, ear muff and the elastic cord that couples together filterability gauze mask and ear muff, the elastic cord locate the both sides of filterability gauze mask, characteristics are: filterability gauze mask adopt with the identical three-dimensional gauze mask of facial shape, this filterability gauze mask is the electronic dust mask of an initiative air supply, the ear muff adopt with the identical semiellipse spherical shape of ear shape, the inside of this ear muff is provided with electromagnetism sound-electricity converter, the elastic cord in be provided with the wire of connecting filterability gauze mask and electromagnetism sound-electricity converter, electromagnetism sound-electricity converter with the noise transformation in the mill electric energy and through the wire with electric energy supply filterability gauze mask to drive filterability gauze mask work. The advantages are that: integrate gauze mask and ear muff as an organic whole, collect aesthetic property and functional in an organic whole, it is convenient to dress, effectively ensures that the workman is healthy.

Description

Mouth ear shield integrated protective tool

Technical Field

The utility model belongs to the technical field of the protective device, concretely relates to mouth ear muff integral type protective device.

Background

Through field investigation, workers in textile factories operate in contact with plant dust such as cotton, flax and the like for a long time, and the long-term exposure of cotton dust and endotoxin thereof can cause chronic change to the lung function of the workers in the cotton textile factories and have the risk of cotton dust diseases and lung cancer. To the problem of cotton dust wadding in the mill, the mill can distribute some cotton gauze mask for the workman, but the filtration rate of cotton gauze mask still is less than 30%, and dustproof effect is not ideal, can only the great cotton dust of separation granule, easily makes the people produce the sense of oppression moreover. The gauze mask type on the market is mostly the filtration formula gauze mask nowadays, and the filtration mechanism to the particulate matter uses mechanical filtration as the main, shows to intercept the combined action who stays, inertial collision and diffusion effect, specifically divides again into the electronic dust mask of active carbon gauze mask, air filtration formula gauze mask, initiative air supply etc..

Meanwhile, most textile machines in textile factories have periodic impact mechanisms, when the textile machines run, vibration and low-frequency noise can be caused by inertia force, friction force and working load, the noise intensity reaches 85-10 dB (A), and the noise can damage the hearing of textile workers and cardiovascular systems and has the risk of causing noise deafness.

Current protection against factory noise includes both ear plugs and earmuffs worn by workers. Most earplugs are made of silica gel, can resist part of noise, are relatively hard, and have obvious swelling and pain feeling when worn. The earmuffs are in many forms and can be divided into two types, namely an active noise reduction type earmuff and a passive noise reduction type earmuff. The earmuff of the former is provided with a circuit chip in the ear cup, and when receiving noise, the electronic technology sends out a sound wave opposite to the noise to offset and reduce the noise, thereby protecting the hearing of a wearer. The earmuff reduces the noise harm of a wearer through sound isolation, and the main body of the earmuff comprises an earmuff pad, a damping gasket, sound-absorbing sponge (E-A-M foam), an earmuff shell and other parts. Up to now, the comprehensive dustproof, noise-reduction and comfortable mouth-ear-cover integrated protective tool is not found, so that a solution is urgently needed, and the upgrading improvement of the mouth covers and the ear covers used by the workers in the existing textile mill can be realized, so that the health of the workers can be effectively guaranteed.

Disclosure of Invention

The task of the utility model is to provide an oral earmuff integral type protective apparatus, it integrates gauze mask and earmuff integration as an organic whole, collects aesthetic property and functional in an organic whole, and it is convenient to dress, effectively ensures that the workman is healthy.

The utility model discloses a task is accomplished like this, an earmuff integral type protective apparatus, reach the elastic cord 3 that couples together filterability gauze mask 1 and earmuff 2 including filterability gauze mask 1, earmuff 2, elastic cord 3 locate filterability gauze mask 1's both sides, its characterized in that: filterability gauze mask 1 adopt and the identical three-dimensional gauze mask of facial shape, this filterability gauze mask 1 is the electronic dust mask of an initiative air supply, ear muff 2 adopt and the identical semiellipse sphere shape of ear shape, the inside of this ear muff 2 is provided with electromagnetism sound electric converter 21, elastic cord 3 in be provided with the wire 31 of connecting filterability gauze mask 1 and electromagnetism sound electric converter 21, electromagnetism sound electric converter 21 turn into the electric energy with the noise in the mill and supply with filterability gauze mask 1 with the electric energy through wire 31 to drive filterability gauze mask 1 work.

In a specific embodiment of the present invention, the filtering respirator 1 comprises a mask body 11, a mounting cover 12, a blower 15, a middle shell 16, an outer filter element 17, and an outer filter cover 18, wherein the mask body 11 is duckbilled or cup-shaped, which is corresponding to the mouth and nose positions of the face of a user under the action of an elastic band 3 after the mask 1 is worn, the mounting cover 12 is arranged on the mask body 11, the mounting cover 12 is provided with an air inlet, the bottom of the mounting cover 12 is provided with an air outlet, a fan 15 is arranged outside the position of the mounting cover 12 corresponding to the air inlet of the mounting cover, the fan 15 blows air into the mounting cover 12, a middle shell 16 is arranged on the outer side of the fan 15, an outer layer filter element 17 is arranged on the outer side of the middle shell 16 corresponding to the position of the fan 15, an outer filter cover 18 for covering the outer filter element 17 is arranged on the outer side of the middle shell 16.

In another specific embodiment of the present invention, an inner filter element 13 is installed on the mounting cover 12 at a position corresponding to the air inlet of the mounting cover 12, and the inner filter element 13 filters the air blown by the fan 15.

In another specific embodiment of the present invention, an exhaust valve 14 is installed at the bottom of the mounting cover 12 corresponding to the air outlet of the mounting cover 12, and the exhaust valve 14 is closed when inhaling and opened when exhaling.

In another specific embodiment of the present invention, the fan 15 includes a fan case 151, a fan cover 152 and a fan 153, the inner side of the fan case 151 is installed at a position corresponding to the air outlet of the installation cover 12, the outer side of the fan case 151 is installed with the fan cover 152, the inner side of the fan case 151 and the fan cover 152 is installed with the fan 153 and the wire 31 for driving the fan 153 to rotate is led in from the elastic band 3, and the inner side of the fan case 151 and the fan cover 152 is further provided with an air passage for blowing air into the installation cover 12.

In another specific embodiment of the present invention, the middle shell 16 is provided with a circular groove 161 at the outer side corresponding to the position of the blower cover 152, and the circular groove 161 is provided with the outer filter element 17.

In yet another specific embodiment of the present invention, the electromagnetic sound-to-electricity converter 21 mainly comprises a moving coil sensor 211 and an electric energy storage device 212, the moving coil sensor 211 and the electric energy storage device 212 are electrically connected through an output lead 2116, and the electric energy storage device 212 is electrically connected to the filtering mask 1 through a lead i 311 in the lead 31.

In a more specific embodiment of the present invention, the moving coil sensor 211 is further electrically connected to the filtering mask 1 through a wire ii 312 of the wire 31.

In yet another specific embodiment of the present invention, the moving coil sensor 211 includes a sensor film 2111, a coil 2112 fixedly connected to the sensor film 2111, and a permanent magnet 2113 cooperating with the coil 2112, wherein the vibration of the sensor film 2111 drives the coil 2112 to vibrate, and the vibration of the coil 2112 cuts magnetic induction lines generated by the permanent magnet 2113, thereby generating an alternating current; the sensor film 2111 is made of a glass fiber film, and the permanent magnet 2113 is made of an iron neodymium boron magnet.

In a still more specific embodiment of the present invention, the coil 2112 is wound on a diaphragm 2114, and the diaphragm 2114 and the sensor film 2111 are integrated on a frame 2115; the vibrating plate 2114 and the frame 2115 are made of polyethylene plastic.

The utility model discloses owing to adopted above-mentioned structure, the beneficial effect who has: the electromagnetic acoustic-electric converter is used for converting noise into driving the air circulation device in the mask to operate, and the electromagnetic acoustic-electric converter is simple in structure, easy to implement, environment-friendly and efficient; the mask has the advantages that the use of the fan, the exhaust valve and the filter element in the mask enables a user to easily breathe clean air, the damage of dirty air in a factory environment to the lung of the user is reduced to the maximum extent, the filter element can be replaced, the effect of recycling is achieved, the quality of sucked air is guaranteed, and the effect of energy-saving, environment-friendly and recycling is achieved; third of the advantage, according to ergonomic curve design, adopt soft silica gel with skin contact part, soft silica gel elasticity laminating face reduces the air leakage rate, and the protective layer that silica gel formed is difficult to leak into to the dust, and the gauze mask seal when effectively improving facial muscle motion, the travelling comfort is good simultaneously, can not produce uncomfortable sense for a long time wearing.

Drawings

Fig. 1 is a front view of an embodiment of the protection tool integrated with a mouth-ear cover for a worker in a spinning mill.

Fig. 2 is a side view of an embodiment of the protection tool with the integrated earmuff for the spinning mill worker.

Fig. 3 is a schematic structural view of the filtering mask according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an electromagnetic acoustic-electric converter in the ear muff according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of the generation of alternating current in the electromagnetic acoustic-electric converter according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a filtering mask according to another embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an electromagnetic acoustic-electric converter in an earmuff according to another embodiment of the present invention.

In the figure: 1. the air purifier comprises a filtering mask, 11 parts of a mask body, 12 parts of an installation cover, 13 parts of an inner-layer filter element, 14 parts of an exhaust valve, 15 parts of a fan, 151 parts of a fan shell, 152 parts of a fan cover, 153 parts of a fan, 16 parts of a middle shell, 161 parts of a circular groove, 17 parts of an outer-layer filter element and 18 parts of an outer-layer filter cover; 2. the device comprises an ear cover, 21, an electromagnetic acoustic-electric converter, 211, a moving coil type sensor, 2111, a sensor film, 2112, a coil, 2113, a permanent magnet, 2114, a vibrating plate, 2115, a frame body, 2116, an output lead and 212, an electric energy storage device, wherein the ear cover is connected with the electric energy storage device through the output lead; 3. elastic band, 31, 311, 312, ii.

Detailed Description

The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments by the applicant is not intended to limit the technical solutions, and any changes made according to the present invention rather than the essential changes should be considered as the protection scope of the present invention.

First, the applicant needs to state that: in the following description, any concepts relating to orientation, such as left and right, up and down, are referred to the illustrated position states and therefore should not be interpreted as limiting the inventive solution; the term "inner" referred to in the description of the interim refers to a position close to the face, and "outer" refers to a position far from the face.

Example 1

As shown in fig. 1 to 5, the present invention relates to an oral-earmuff integrated protective device, which comprises a filtering mask 1, earmuffs 2 and an elastic band 3 connecting the filtering mask 1 and the earmuffs 2. The elastic bands 3 are provided on both sides of the filtering mask 1, and have elasticity, and the size of the filtering mask can be adjusted according to the shape of the face. The filtering respirator 1 and the ear muffs 2 are generally made of soft silica gel at the parts contacting with the skin, so that the filtering respirator is comfortable to fit, has good sealing performance, is combined with a light machine body, and can not generate uncomfortable feeling after being worn for a long time. The filtering mask 1 is a three-dimensional mask matched with the face in shape, and the filtering mask 1 is an electric dustproof mask capable of actively blowing air. The earmuffs 2 are semi-elliptical spherical shapes matched with the shapes of the ear parts, the electromagnetic acoustic-electric converter 21 is arranged inside the earmuffs 2, the electromagnetic acoustic-electric converter 21 is a device for converting sound energy into electric energy by utilizing the electromagnetic induction phenomenon, so that the electromagnetic acoustic-electric converter 21 can convert noise in a factory into electric energy to supply power for the filtering mask 1. Therefore, a lead wire 31 for connecting the filtering mask 1 and the electromagnetic acoustic-electric converter 21 is provided in the elastic band 3.

As shown in fig. 1 to 3, the filtering respirator 1 includes a mask body 11, an installation cover 12, a blower 15, a middle shell 16, an outer filter element 17 and an outer filter cover 18, wherein the mask body 11 is in a duckbill shape or a cup shape and corresponds to the mouth and nose of the face of a user under the action of an elastic band 3 after the respirator 1 is worn. The mounting cover 12 is mounted on the cover body 11, and an air inlet is arranged on the mounting cover 12. An inner filter element 13 is arranged on the mounting cover 12 and corresponds to the air inlet of the mounting cover 12, and the inner filter element 13 filters the air blown by the fan 15. The bottom of the mounting cover 12 is provided with an air outlet, the exhaust valve 14 is mounted at the bottom of the mounting cover 12 and at the position corresponding to the air outlet of the mounting cover 12, when the air is inhaled, the exhaust valve 14 is closed, when the air is exhaled, the exhaust valve 14 is opened, one inlet and one outlet air circulation is realized, heat accumulation is reduced, the inner cavity of the mounting cover 12 is cool and not wet, meanwhile, the breathing mode is relaxed, and the mounting cover is suitable for being used for a long time in a high-temperature and high-humidity environment. A fan 15 is installed outside the position of the mounting cover 12 corresponding to the air inlet, and the fan 15 blows air into the mounting cover 12. The fan 15 includes a fan housing 151, a fan cover 152 and a fan 153. The inner side of the fan shell 15 is arranged on the mounting cover 12 at a position corresponding to the inner-layer filter element 13, the outer side of the fan shell 151 is provided with a fan cover 152, the fan shell 151 and the fan cover 152 are internally provided with a fan 153 and a lead 31 which is led in from an elastic band 3 and is used for driving the fan 135 to rotate, and the fan shell 151 and the fan cover 152 are internally provided with an air channel for blowing air into the mounting cover 12. The fan cover 152 is provided with an air inlet. The outside of fan lid 152 install mesochite 16, mesochite 16 on correspond the outside of fan lid 152 air intake department and be equipped with circular slot 161, circular slot 161 in install outer filter core 17, circular slot 161 correspond the air intake of fan lid 152 and also seted up the through-hole, be convenient for in the filterable gas of outer filter core 17 gets into fan 15. An outer filter cover 18 for covering the outer filter element 17 is arranged on the outer side of the middle shell 16. The inner filter element 13 and the outer filter element 17 can be disassembled, and the effect of recycling is achieved by replacing the filter elements.

As shown in fig. 4 and 5, the electromagnetic acoustic-electric converter 21 mainly comprises a moving-coil sensor 211 and an electric energy storage device 212. The moving-coil sensor 211 comprises a sensor film 2111, a coil 2112 fixedly connected with the sensor film 2111, and a permanent magnet 2113 matched with the coil 2112, wherein the vibration of the sensor film 2111 drives the coil 2112 to vibrate, the vibration of the coil 2112 cuts magnetic induction lines generated by the permanent magnet 2113, so that alternating current is generated, and the generated alternating current is transmitted to the electric energy storage device 212 through an output lead 2116 to be stored. The sensor film 2111 is fixedly connected to the coil 2112 through a vibrating plate 2114, specifically, the coil 2112 is wound around the vibrating plate 2114, and the vibrating plate 2114 and the sensor film 2111 are integrated in a frame 2115. The vibration of the sensor film 2111 drives the vibration of the vibrating plate 2114, and then drives the vibration of the coil 2112. The sensor film 2111 is made of a glass fiber film, and is high in mechanical strength and strong in corrosion resistance. The permanent magnet 2113 is made of an iron neodymium boron magnet. The vibrating plate 2114 and the frame 2115 are made of polyethylene plastic, so that the weight is light, and the energy loss in the conversion process can be ignored.

As shown in fig. 4, the electric energy storage device 212 is electrically connected to the moving coil sensor 211 through an output lead 2116, so that the alternating current generated by the moving coil sensor 211 is transmitted to the electric energy storage device 212 through the output lead 2116 for storage, and the electric energy storage device 212 usually employs a lithium battery. The electric energy storage device 212 supplies power to the filtering mask 1 through the lead i 311 in the lead 31, and therefore, in this embodiment, the lead 31 connecting the filtering mask 1 and the electromagnetic acoustic-electric converter 21 specifically refers to the lead i 311 connecting the electric energy storage device 212 and the fan 153.

Referring to fig. 1 to 5, the working process of the integrated oral earmuff protective device of the present invention is as follows: in a textile mill, collision among machines generates sound, because the sound has energy, when the moving coil transducer 211 senses the sound wave, the sound wave of the sound drives the sensor film 2111 to generate vibration with the same frequency as the sound wave, the vibration of the sensor film 2111 drives the coil 2112 connected with the sensor film to vibrate, the coil 2112 vibrates up and down according to the frequency as the sound wave to cut the magnetic induction lines of the permanent magnet 2113, alternating current can be generated in the process of rapidly cutting the magnetic induction lines and is transmitted to the electric energy storage device 212 through the output lead 2116 to be stored, and therefore the sound is converted into the alternating current. The electric energy stored in the electric energy storage device 212 is transmitted into the filtering mask 1 through the lead I311 to drive the fan 15 to rotate, the fan 15 sucks the outside air by utilizing the principle of a blower, the sucked air is firstly filtered and purified by the outer-layer filter element 17, and the air after primary filtering is guided to enter the mounting cover 12 through the air channel of the fan shell 151 and the fan cover 152. Before flowing into the mounting cover 12, the air is filtered by the inner filter element 13, so that the user can breathe clean air. The air exhaled by the user is exhausted through the air outlet of the mounting cover 12.

Example 2

As shown in fig. 6 and 7, the technical solution described in this embodiment is different from that of embodiment 1 in that: the moving coil sensor 211 is electrically connected to the electric energy storage device 212 through an output lead 2116, and the moving coil sensor 211 is also electrically connected to the fan 153 of the filtering mouthpiece 1 directly through a lead ii 312 of the lead 31. The concrete during operation: when the electric energy transmitted to the filtering mask 1 by the moving-coil sensor 211 is not enough to drive the filtering mask 1 to work, the electric energy storage device 212 can be used for supplying power; when the electric power supplied to the filtering face mask 1 by the moving coil sensor 211 is enough to drive the filtering face mask 1 to work, the electric power can be stored in the electric power storage device 212 at the same time. Therefore, in this embodiment, the lead 31 connecting the filtering mask 1 and the electromagnetic acoustic-electric converter 21 specifically refers to a lead i 311 connecting the electric energy storage device 212 and the fan 153 and a lead ii 312 connecting the moving-coil sensor 211 and the fan 153.

Claims

1. The utility model provides an earmuff integral type protective apparatus, includes filterability gauze mask (1), ear muff (2) and elastic cord (3) that couple together filterability gauze mask (1) and ear muff (2), elastic cord (3) locate the both sides of filterability gauze mask (1), its characterized in that: filterability gauze mask (1) adopt and the identical three-dimensional gauze mask of facial shape, this filterability gauze mask (1) is the electronic dust mask of an initiative air supply, ear muff (2) adopt and the identical semiellipsoid sphere shape of ear shape, the inside of this ear muff (2) is provided with electromagnetism sound electricity converter (21), elastic cord (3) in be provided with wire (31) of connecting filterability gauze mask (1) and electromagnetism sound electricity converter (21), electromagnetism sound electricity converter (21) turn into the noise in the mill electric energy and supply with filterability gauze mask (1) through wire (31) with the electric energy to drive filterability gauze mask (1) work.

2. The oral earmuff integrated protective tool according to claim 1, wherein the filtering respirator (1) comprises a respirator body (11), a mounting cover (12), a fan (15), a middle shell (16), an outer filter element (17) and an outer filter cover (18), the respirator body (11) is in a duckbill shape or a cup shape and corresponds to the position of the mouth and nose of the face of a user under the action of an elastic cord (3) after the respirator (1) is worn, the mounting cover (12) is mounted on the respirator body (11), the mounting cover (12) is provided with an air inlet, the bottom of the mounting cover (12) is provided with an air outlet, the fan (15) is mounted on the outer side of the mounting cover (12) corresponding to the air inlet, the fan (15) blows air into the mounting cover (12), the middle shell (16) is mounted on the outer side of the fan (15), and the filter element (17) is mounted on the outer side of the middle shell (16) corresponding to the position of the outer fan (15), and an outer-layer filter cover (18) used for covering the outer-layer filter element (17) is arranged on the outer side of the middle shell (16).

3. The oro-earmuff integrated protective gear according to claim 2, characterized in that an inner filter element (13) is arranged on the mounting cover (12) corresponding to the air inlet of the mounting cover (12), and the inner filter element (13) filters the air blown by the fan (15).

4. The oroearmuff integrated protective device according to claim 2, wherein a vent valve (14) is mounted at the bottom of the mounting cup (12) at a position corresponding to the air outlet of the mounting cup (12), the vent valve (14) being closed during inhalation and open during exhalation.

5. The oral-earmuff integrated protective tool as claimed in claim 2, wherein the fan (15) comprises a fan shell (151), a fan cover (152) and a fan (153), the inner side of the fan shell (151) is arranged on the mounting cover (12) corresponding to the position of the air outlet of the fan shell, the outer side of the fan shell (151) is provided with the fan cover (152), the fan (153) is arranged inside the fan shell (151) and the fan cover (152) and a wire (31) which is led into the elastic band (3) and used for driving the fan (153) to rotate is arranged, and the air channels for blowing air into the mounting cover (12) are arranged inside the fan shell (151) and the fan cover (152).

6. The oral-earmuff integrated protective tool according to claim 5, characterized in that a circular groove (161) is arranged on the outer side of the middle shell (16) corresponding to the position of the fan cover (152), and an outer filter element (17) is arranged in the circular groove (161).

7. The oro-earmuff integrated protective gear according to claim 1, wherein the electromagnetic acoustic-electric converter (21) is mainly composed of a moving coil sensor (211) and an electric energy storage device (212), the moving coil sensor (211) and the electric energy storage device (212) are electrically connected through an output lead (2116), and the electric energy storage device (212) is electrically connected with the filtering respirator (1) through a lead I (311) in the lead (31).

8. The oro-earmuff integrated protective gear according to claim 7, wherein the moving coil sensor (211) is further electrically connected with the filtering respirator (1) through a wire II (312) in the wire (31).

9. The oro-earmuff integrated protective device according to claim 7 or 8, characterized in that the moving coil sensor (211) comprises a sensor film (2111), a coil (2112) fixedly connected with the sensor film (2111), and a permanent magnet (2113) cooperating with the coil (2112), wherein the vibration of the sensor film (2111) drives the coil (2112) to vibrate, and the vibration of the coil (2112) cuts magnetic induction lines generated by the permanent magnet (2113) so as to generate alternating current; the sensor film (2111) is made of a glass fiber film, and the permanent magnet (2113) is made of an iron neodymium boron magnet.

10. The oro-earmuff integrated protective gear according to claim 9, wherein the coil (2112) is wound around a vibrating plate (2114), the vibrating plate (2114) and the sensor membrane (2111) being integrated in a frame (2115); the vibrating plate (2114) and the frame body (2115) are made of polyethylene plastic.