CN111529982A

CN111529982A - Use method of disposable electric air filtering respirator

Info

Publication number: CN111529982A
Application number: CN202010351871.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Yidun Medical Technology Co ltd
Current assignee: Shanghai Yidun Medical Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-08-14
Anticipated expiration: 2040-04-28
Also published as: CN111529982B

Abstract

The invention relates to the technical field of medical and health protection, and discloses a use method of a disposable electric air filtering respirator, which comprises the following steps: s1: installing the filter outside the air guide mechanism until the air guide mechanism is covered by the filter; s2: communicating the air guide mechanism with the mask; s3: wearing a mask on the face of a human body and covering the face; s4: starting the air guide mechanism to guide air until the air enters the mask through the filter and the air guide mechanism; s5: after the use, the filter, the air guide mechanism and the mask are destroyed. The invention has simple structure, can quickly install the respirator, and can achieve the purpose of disposable use in the aspect of use.

Description

Use method of disposable electric air filtering respirator

Technical Field

The invention relates to the technical field of medical and health protection, in particular to a using method of a disposable electric air filtering respirator.

Background

Social industrialization and urbanization progress make the haze comparatively general to and the emergence of the urgent infectious diseases of society, just need take safeguard procedures to the face this moment, facial safeguard procedure mainly goes on with modes such as wearing gauze mask, keeps apart the pollutant of granule more than PM2.5 and the droplet that other people carried the germ through the gauze mask, and at present, keeps apart the best gauze mask product of effect and is N95 type gauze mask.

The N95 type mask can isolate smaller particles, the filtering efficiency of the N95 type mask on particles with the aerodynamic diameter of 0.075 μm +/-0.02 μm reaches over 95%, the aerodynamic diameter of air bacteria and fungal spores changes between 0.7-10 μm, the air bacteria and fungal spores are also in the protection range of the N95 type mask, the N95 type mask is tightly attached to the face and is not easy to leak air from the periphery, however, the N95 type mask is easy to breathe difficultly by a user due to good isolation performance after being worn for a long time, and even can generate dizziness due to oxygen deficiency, and particularly for the old and children with weak physique, the face protection device can protect the face of the user and can breathe smoothly.

Existing face protection devices include breathing masks and respirators that filter air, such as: breathing machines produced by Honeyville, Scott science and technology company and 3M Innovation Limited company have complex structures and high production cost, and can be reused after being used for one time, but are reused after being sterilized and disinfected, so that the secondary pollution is easy to occur, and the probability of harming medical personnel is improved.

Disclosure of Invention

The invention aims to provide a using method of a disposable electric air filtering respirator, so that the secondary use of the respirator is avoided, and further the danger of medical personnel in reusing the respirator is reduced.

In order to realize the purpose, the invention provides the following technical scheme: a method of using a disposable electric air filtration ventilator comprising the steps of: s1: installing the filter outside the air guide mechanism until the air guide mechanism is covered by the filter; s2: communicating the air guide mechanism with the mask; s3: wearing a mask on the face of a human body and covering the face; s4: starting the air guide mechanism to guide air until the air enters the mask through the filter and the air guide mechanism; s5: after the use, the filter, the air guide mechanism and the mask are destroyed.

The principle and the beneficial effects of the invention are as follows:

(1) in this scheme, the structure of breathing machine compares in the large-scale hood of present lid shoulder or full face mask type breathing machine and compares the structure more simple. The scheme effectively controls the used devices and the installation cost, has lower production cost and can achieve the condition of one-time use. Simultaneously, can use simple to operate with filter, wind-guiding mechanism and face guard intercommunication.

(2) When the secondary uses, current breathing machine need disinfect, leads to secondary pollution easily at this in-process, if medical personnel continue to use, then be unfavorable for medical personnel's health, lead to medical personnel to take place to infect even, just destroys after using the breathing machine in this scheme, has reduced medical personnel's used repeatedly breathing machine's danger.

Further, in S1, a noise reduction mechanism is installed between the air guide mechanism and the face mask, the noise reduction mechanism includes a housing communicating the air guide mechanism and the face mask, and noise reduction cotton is installed in the housing.

Has the advantages that: certain noise can be produced at air guide mechanism during operation, if medical personnel are at the during operation, certain influence can be brought to the noise. In this scheme, on the basis to wind guiding mechanism noise reduction, can also guarantee simultaneously that gas can enter into the face guard smoothly, reduced the noise to medical personnel's influence.

Further, an air pipe is installed between the shell and the face mask.

Has the advantages that: through trachea intercommunication shell and face guard, can make the face guard keep away from the fan, and then make medical personnel keep away from wind guiding mechanism, further reduce the influence that fan noise brought to medical personnel.

Further, a sealing structure is installed between the housing and the fan.

Has the advantages that: the gap between the noise reduction structure and the fan is sealed through the sealing mechanism, so that the transmission of noise generated by the fan is reduced on the one hand, the air tightness is ensured on the other hand, and the phenomenon that external unfiltered air enters the face mask through the gap between the noise reduction structure and the fan is avoided.

Further, in S2, a sensor is installed in the face mask, the air guide mechanism is electrically connected to the controller, the controller is electrically connected to the sensor, and when the sensor acquires air pressure information in the face mask, the controller acquires the air pressure information and then controls the operating power of the air guide mechanism.

Has the advantages that: wind pressure within several masks is too high or too low for the user to use, for example: the volume of old man and child's breathing air is few, leads to the wind pressure too big easily, and adult and the people that is in operating condition breathe a volume greatly, lead to the wind pressure undersize easily. The sensor acquires the wind pressure information in the face guard to the sensor sends wind pressure information to the controller, and the controller can control the fan and change power, if the wind pressure is too big, fan power reduces, if the wind pressure undersize, fan power increases.

Further, in S1, the air guide mechanism includes a fan and a battery pack electrically connected to the fan, and a control module is electrically connected between the battery pack and the fan, and controls the on/off of the fan.

Has the advantages that: the on-off control module is used for controlling the on-off of the fan, the electric quantity of the storage battery pack is guaranteed through the storage batteries, and therefore the working time of the fan is guaranteed to be long enough.

Furthermore, the storage battery pack is electrically connected with a detection module, and the detection module detects the electric storage capacity of the storage battery pack.

Has the advantages that: if the fan is out of work, the medical staff is easy to breathe difficultly in the mask, the electric quantity of the storage battery pack is detected through the detection module, and the problem that the storage battery pack is not enough to be lightened is solved.

Further, the detection module comprises a plurality of LED lamps.

Has the advantages that: after the detection module detects the electric quantity of the storage battery pack, the electric quantity can be displayed through the LED lamp, so that the condition that medical personnel visually observe the electric quantity of the storage battery pack is avoided.

Further, the face mask comprises a visual plate and a cushion layer, and the cushion layer is fixedly connected with the visual plate.

Has the advantages that: through bed course and medical personnel's facial contact, more laminating can hinder outside not by in the filterable air admission face guard, improves the sealing performance of face guard. The viewing plate is made of glass or other transparent material to facilitate medical personnel to view the exterior of the mask.

Furthermore, a fixing ring is arranged on the visual plate.

Has the advantages that: the fixing rope is arranged on the fixing ring, and the mask can be conveniently fixed on the head or other parts of medical personnel through the fixing rope, so that the use stability of the mask is ensured.

Drawings

FIG. 1 is an isometric view of a disposable electric air filtration ventilator according to a first embodiment of the present invention;

FIG. 2 is a front view of a disposable electric air filtration ventilator in accordance with one embodiment of the present invention;

FIG. 3 is a side view of a filter of a disposable electric air filtration ventilator in accordance with one embodiment of the present invention;

FIG. 4 is a sectional view taken along line F-F of FIG. 2;

FIG. 5 is a schematic view of a disposable electric air filtration ventilator according to a second embodiment of the present invention;

fig. 6 is a schematic diagram of a noise reduction structure in the third embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the noise reduction mask comprises a mask 1, a cushion layer 11, a visible plate 12, a fixing ring 13, an air pipe 2, a noise reduction structure 3, a shell 31, noise reduction cotton 32, a sealing ring 4, a filter plate 5, a machine shell 61, a fan 62, a control switch 71, a PCB (printed circuit board) 72, an LED (light emitting diode) lamp 73, a storage battery 8, an air outlet pipe 33, sound absorption cotton 34, a first sound absorption plate 35, a flow guide channel 36, a fixing plate 37, a vertical hole 38, a through hole 39, a flow guide plate 40, an air hole 41, a return.

The first embodiment is as follows:

a method of using a disposable electric air filtration ventilator, substantially as shown in figures 1, 2 and 3, comprising the steps of:

s1: preparing a wind guide mechanism, and installing a filter outside the wind guide mechanism, wherein the filter is a filter plate 5 as shown in fig. 4, the filter plate 5 reaches the standard of N95, and the longitudinal section of the filter plate 5 is rectangular in the embodiment.

The air guide structure comprises a fan 62, a casing 61 and a battery pack 8 (not shown in the figure), wherein the fan 62 in the embodiment has the following types: 4028 Fan, Fan 62 is fixed in case 61 by bolts, and Filter plate 5 is fixed outside case 61 by bolts.

The noise reduction structure 3 is mounted on the machine shell 61, in this embodiment, the noise reduction structure 3 includes noise reduction cotton 32 and a shell 31, and the noise reduction cotton 32 is bonded in the shell 31. The casing 31 is communicated with the casing 61, the casing 31 is fixed on the casing 61 by screws, and in order to improve the sealing performance of the fan 62, a sealing ring 4 is sleeved between the casing 31 and the casing 61, and the sealing ring 4 is made of rubber in the embodiment.

The fan 62 is electrically connected to the battery packs 8 through electrical leads, the battery packs 8 being 3 or 4, preferably 4 in this embodiment, each battery pack 8 being formed of 8 dry cell batteries. The parallel connection of the battery packs 8 can provide 12V voltage to drive the fan 62 to work, and a control power switch (not shown in the figure) is electrically connected between the battery packs 8 and the fan 62.

The air tube 2 is attached to the housing 31, the air tube 2 is fixed to the housing 31 by bolts, and a seal ring (not shown) is bonded and fixed between the housing 31 and the air tube 2.

S2: with

trachea

2 and 1 intercommunication of face guard, face guard 1 includes visual board 12 and bed course 11 in this embodiment, visual board 12 is made by glass material or transparent plastic material, the lower part bolted fixation of visual board 12 has the breather valve, the breather valve is the check valve, the gas of medical staff's exhalation flows out to face guard 1 outside through the check valve, the upper portion bolted fixation of visual board 12 has solid fixed ring 13, gu the cover is equipped with fixed rope on the fixed ring 13, fixed rope is made by elastic material, bed course 11 is made by flexible material, bed course 11 bolt fastening is in visual board 12. Of course, in this embodiment, the air pipe 2 may not be used for communication, and only the noise reduction structure 3 needs to be fixedly mounted on the visible plate 12 by bolts, so as to avoid the air pipe 2 from breaking.

S3: the mask 1 is worn on the face of the medical staff by the cooperation of the fixing strings and the fixing rings 13, and the cushion layer 11 is covered with the face of the medical staff so that the mask 1 is sealed.

S4: the control power switch is turned on, the storage battery pack 8 supplies power to the fan 62, the fan 62 overcomes the resistance of the filter plate 5 to suck air into the shell 61, the air is filtered by the filter plate 5 and then sent into the shell 61, then the air is sent into the air pipe 2 through the shell 31 and finally reaches the face mask 1, and the air exhaled by medical staff is discharged from the breather valve. At fan 62 during operation, fan 62 can produce certain noise, reduce the noise that fan 62 produced through falling the cotton 32 of making an uproar, and then avoid the influence that fan 62 noise produced medical staff, and fan 62 and fall and be provided with the sealing washer 4 of sealed clearance between the two between the structure 3 of making an uproar, it is sealed through sealing washer 4, avoided the noise to transmit away from the clearance between fan 62 and the structure 3 of making an uproar, further improve the noise reduction effect, reached sealed effect simultaneously.

And S5, after the use is finished, directly destroying the filter, the air guide mechanism, the mask and the like, and then recovering the materials. Because the cost of the structure is between 120 and 150 yuan, compared with other breathing machines, the cost is lower, and the use method of the disposable electric air filtering breathing machine in the scheme is used in the environment with high virus pollution, so that the use method does not need to be used for two times, and further the harm brought by the secondary utilization of medical personnel is avoided.

Example two:

the difference between the second embodiment and the first embodiment is that in S2, as shown in fig. 5, the battery pack 8 is electrically connected to the PCB 72, and the PCB 72 is electrically connected to the control module, in this embodiment, the switch control module is the control switch 71, the PCB 72 is electrically connected to the detection module, the detection module is an IC chip, and the IC chip is electrically connected to the LED lamps 73. The fan 62 is electrically connected with a controller, the controller is a single chip microcomputer in the embodiment, the controller is electrically connected with a sensor located in the visual board 12, and the type of the sensor in the embodiment is as follows: a BOSCH BMP280 air pressure sensor.

When the fan 62 is started, the sensor acquires the wind pressure information in the face mask 1, the sensor transmits the wind pressure information to the controller, the controller acquires the wind pressure information and judges the wind pressure information, and if the wind pressure is too small, the controller controls the working power of the fan 62 to be increased, so that the air intake of the face mask 1 is increased; if the wind pressure is too large, the controller controls the working power of the fan 62 to be reduced, so that the air intake in the face mask 1 is reduced.

Through the wind pressure detection in the face guard 1, the air quantity in the face guard 1 can be avoided being too much or too little so as to adapt to different working states of medical staff, and the medical staff are more comfortable.

In the long-term use process of the fan 62, the electric quantity of the battery pack 8 gradually decreases, even the electric quantity of the battery pack 8 is insufficient, the fan 62 cannot work, and at this time, the battery pack 8 needs to be replaced. The detection module acquires the electric quantity information of the storage battery pack 8 and displays the electric quantity information through the LED lamps 73, and if the electric quantity of the storage battery pack 8 is sufficient, all the LED lamps 73 are turned on; when the amount of electricity in the battery pack 8 gradually decreases, the number of the LED lamps 73 turned on decreases. Through the above manner, medical staff can judge the electric quantity of the storage battery pack 8 through the number of the LED lamps 73, and can replace the storage battery pack 8 in time.

Through above mode, detected the wind pressure information in the face guard 1, changed fan 62's operating power to make the wind pressure in the face guard 1 stable, and then improve medical personnel's use and experience.

Example three:

the third embodiment is different from the first embodiment in that, as shown in fig. 6, in S1, the noise reduction structure 3 includes a housing 31, a left end of the housing 31 is open, and a right end of the housing 31 is communicated with an air outlet pipe 33; the left end of the housing 31 is connected to the fan by a bolt.

Be provided with the one-level on shell 31's the inner wall and fall the layer of making an uproar, the one-level falls the layer of making an uproar including inhaling cotton 34 and first abatvoix 35, and inhales cotton 34 and first abatvoix 35 and set gradually to shell 31 inner wall direction by shell 31 outer wall, inhales the inner wall bonding of sound cotton 34 and shell 31, first abatvoix 35 with inhale the bonding of sound cotton 34, and the both ends of first abatvoix 35 are passed through the bolt fastening and are on shell 31's inner wall. The first acoustic board 35 is symmetrically provided with a flow guide structure along the center line of the housing 31 for guiding the gas to the primary noise reduction layer, the flow guide structure is a flow guide channel 36 formed in the first acoustic board 35, and the flow guide channel 36 is wavy.

Still include with the communicating second grade of water conservancy diversion structure and fall the layer of making an uproar, the second grade falls the layer of making an uproar and includes fixed plate 37 and fall the cotton 32 of making an uproar, and fixed plate 37 passes through the bolt fastening on first abatvoix 35, falls the cotton 32 of making an uproar and bonds on the right side wall of fixed plate 37. A vertical hole 38 is vertically formed in the fixed plate 37, and the vertical hole 38 is communicated with the right end of the flow guide channel 36; the right side wall of the fixing plate 37 is provided with a plurality of through holes 39 communicated with the vertical holes 38, and the through holes 39 are arranged towards the direction of the noise reduction cotton 32. Two guide plates 40 are fixed on the right side wall of the fixing plate 37 through bolts, the guide plates 40 are connected with the first sound absorbing plate 35 through bolts, and the two guide plates 40 are symmetrically arranged with the transverse center line of the fixing plate 37; the air guide plate 40 is provided with a plurality of air holes 41. The guide plate 40, the fixing plate 37 and the first sound-absorbing plate 35 form a triangular structure, and the stability of the whole structure can be improved according to the stability of the triangle.

The first sound absorption plate 35 is provided with a return pipe 42, the left end of the return pipe 42 is communicated with the flow guide channel 36, the right end of the return pipe 42 is positioned between the noise reduction cotton 32 and the flow guide plate 40, and the return pipe 42 is fixedly connected with a one-way valve 43 for one-way gas flow to the flow guide channel 36.

The specific implementation process is as follows:

wrapping the left end of the shell 31 with a fan, and connecting the shell 31 with the fan through a bolt; the outlet pipe 33 is communicated with the breathing mask 1.

The fan is started, the fan generates air flow, the fan works to generate noise, and the air is spread as a noise medium. In gaseous entering shell 31, reentrant water conservancy diversion passageway 36, noise reduction treatment is carried out to the noise through inhaling sound cotton 34 and first abatvoix 35 to, because water conservancy diversion passageway 36 is wavy, it is long when having prolonged gaseous flow, and then has strengthened the noise reduction effect.

The gas enters the vertical hole 38 through the flow guide channel 36, then passes through the through hole 39 from the vertical hole 38 to act on the noise reduction cotton 32, and noise is reduced again through the noise reduction cotton 32; and, the intensity of the noise is also weakened by the gas in the flow paths of the vertical holes 38 and the through holes 39.

The gas passes through the noise reduction cotton 32 to continue flowing, and a part of the gas moves towards the direction of the return pipe 42 under the guiding action of the guide plate 40, so that the gas enters the flow guide channel 36 again through the return pipe 42, the flow path of the gas is further prolonged, namely, the noise reduction process is repeated, noise is reduced again through the sound absorption cotton 34, the first sound absorption plate 35 and the noise reduction cotton 32, and the noise reduction effect is enhanced; the other part of the gas flows towards the gas outlet pipe 33 through the gas hole 41; the gas after multiple noise reduction treatment enters the breathing mask 1 through the air outlet pipe 33 so as to be breathed by a user, and the noise is greatly reduced. In addition, the cost of the scheme is controlled to be between 50 and 100 yuan, and compared with other noise reduction equipment, the scheme is lower in cost and higher in practicability; the scheme can be used as a disposable product in a high virus pollution environment, can be directly disassembled and recycled after being used, does not need to be used for the second time, and further avoids the harm caused by the secondary utilization

The above is only a preferred embodiment of the invention, and it should be noted that, for those skilled in the art, it is possible to make several changes and modifications without departing from the inventive concept, and these should also be considered as the protection scope of the invention, which will not affect the effect of the implementation of the invention and the practicability of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. A method of using a disposable electric air filtration ventilator comprising the steps of:

s1: installing the filter outside the air guide mechanism until the air guide mechanism is covered by the filter;

s2: communicating the air guide mechanism with the mask;

s3: wearing a mask on the face of a human body and covering the face;

s4: starting the air guide mechanism to guide air until the air enters the mask through the filter and the air guide mechanism;

s5: after the use, the filter, the air guide mechanism and the mask are destroyed.

2. The method of using a disposable electric air filtration ventilator as recited in claim 1, further comprising: and in the step S1, a noise reduction mechanism is arranged between the air guide mechanism and the mask, the noise reduction mechanism comprises a shell which is communicated with the air guide mechanism and the mask, and noise reduction cotton is arranged in the shell.

3. The method of using a disposable electric air filtration ventilator of claim 2 wherein: an air pipe is arranged between the shell and the face mask.

4. The method of using a disposable electric air filtration ventilator of claim 3 wherein: a sealing structure is installed between the housing and the fan.

5. The method of using a disposable electric air filtration ventilator as recited in claim 1, further comprising: and S2, installing a sensor in the face shield, electrically connecting the air guide mechanism with the controller, and electrically connecting the controller with the sensor, wherein when the sensor acquires air pressure information in the face shield, the controller acquires the air pressure information and then controls the working power of the air guide mechanism.

6. The method of using a disposable electric air filtration ventilator as recited in claim 1, further comprising: and the air guide mechanism in the S1 comprises a fan and a storage battery pack electrically connected with the fan, a control module is electrically connected between the storage battery pack and the fan, and the control module controls the on-off of the fan.

7. The method of using a disposable electric air filtration ventilator of claim 6 wherein: the storage battery pack is electrically connected with a detection module, and the detection module detects the electric storage capacity of the storage battery pack.

8. The method of using a disposable electric air filtration ventilator of claim 7 wherein: the detection module comprises a plurality of LED lamps.

9. The method of using a disposable electric air filtration ventilator as recited in claim 1, further comprising: the face mask comprises a visual plate and a cushion layer, and the cushion layer is fixedly connected with the visual plate.

10. The method of using a disposable electric air filtration ventilator as recited in claim 9, further comprising: the visual plate is provided with a fixing ring.