CN214969625U - Exhaled air sterilizer - Google Patents

Exhaled air sterilizer Download PDF

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Publication number
CN214969625U
CN214969625U CN202121388809.8U CN202121388809U CN214969625U CN 214969625 U CN214969625 U CN 214969625U CN 202121388809 U CN202121388809 U CN 202121388809U CN 214969625 U CN214969625 U CN 214969625U
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disinfection
interface
mask
machine according
face guard
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CN202121388809.8U
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刘爱彬
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Liu Aibin
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Abstract

The utility model discloses an exhalation gas sterilizing machine, including accomodating face guard and sterilization apparatus, sterilization apparatus includes disinfection and isolation chamber and air duct interface, accomodate the face guard including silica gel base, the face guard body, air inlet and the interface of giving vent to anger, the air inlet comprises filter core seat and filter core, the interface of giving vent to anger of accomodating the face guard is through air duct and sterilization apparatus's air duct interface connection, sterilization apparatus with be equipped with normally closed solenoid valve and miniature fan in the connecting tube of accomodating the face guard. The utility model discloses to discharging after the direct disinfection and isolation of gas that the in-patient expired and contain pathogenic microorganism, cut the transmission way of disease effectively, eliminated infection risk in areas such as infectious disease ward, ICU ward, have extremely important effect to the epidemic of prevention respiratory infectious disease.

Description

Exhaled air sterilizer
Technical Field
The utility model relates to a gas disinfection and sterilization device, in particular to an exhalation gas sterilizer which collects the exhalation gas of a patient and discharges the exhalation gas after synchronous rapid disinfection and sterilization treatment.
Background
At present, the gas exhaled by patients with respiratory infectious diseases (such as new coronary pneumonia, pulmonary tuberculosis, influenza and the like) is not sterilized immediately and effectively. During hospitalization, the patient can only wear the mask for protection, and although the KN95/N95 medical mask can better prevent and isolate virus and bacteria, germs blocked in the mask can still be diffused into the air when the mask is taken down, so that the infection source cannot be fundamentally eliminated. Moreover, the sealing performance between the conventional mask and the face is difficult to ensure, and the leakage of germs from the periphery of the mask cannot be avoided. Thirdly, when a patient inhales oxygen, the patient cannot wear the mask, so that the gas exhaled by the patient is still the main reason for disease transmission.
In addition, the gas exhausted by the breathing machine contains a large amount of germs, which is very easy to cause cross infection in hospital, and the pollution of the gas exhausted by the breathing machine is not paid attention to clinically, so that the breathing machine has great infection risk and potential safety hazard. Although a part of air outlet ends of the breathing machines are provided with the bacteria/virus filters, the filtering rate of the breathing machines cannot meet the requirement due to the simple structure and the small effective interception area. Especially, when the filter is used for a long time or not replaced in time, secretions such as bacteria, viruses, sputum, aerosol and the like from the respiratory tract of a patient are blocked by the filter, and the filter is turned into a breeding ground of germs, so that the infection chance is increased. Factors such as the atomization inhalation of a breathing machine, the warm and humid air passage and the like easily cause the water accumulation of a bacteria/virus filter, the filtering is invalid, the effective ventilation of a patient is influenced, and the breathing is difficult.
Disclosure of Invention
For effectively solving inpatient exhalation gas disinfection and isolation problem, the utility model provides an exhalation gas sterilizing machine can carry out disinfection and isolation processing immediately after collecting patient's exhalation gas in step, or directly carries out the outer row after disinfection and isolation processing to the breathing machine combustion gas in step, and disinfection and isolation is effectual, no cross infection, convenient to use.
The utility model adopts the technical proposal that: a exhaled gas sterilizer comprises a containing mask and a sterilizer, wherein a sterilization device comprises a sterilization cavity and an air duct interface, the containing mask comprises a silica gel base, a mask body, an air inlet and an air outlet interface, and the air inlet consists of a filter element seat and a filter element; the air outlet interface of the storage face mask is connected with the air guide pipe interface of the disinfection and sterilization device through the air guide pipe, and a normally closed electromagnetic valve I and a micro fan are arranged in a connecting pipeline of the disinfection and sterilization device and the storage face mask.
Accomodate the silica gel base of face guard and face guard body gomphosis as an organic whole, form an enlarged cavity, the filter core seat in the cavity top, the filter core is put in the filter core seat, and is fixed through the filter core lid, and there is the interface of giving vent to anger of a band cover face guard body bottom.
The filter element cover is consistent with the filter element seat structure, is in a circular or polygonal scattering grid structure, is beneficial to gas permeation, is made of elastic materials, is buckled and pressed on the filter element seat, is directly opened, and is convenient for replacing the filter element.
The side face of the storage mask is also provided with a nasal oxygen tube interface with a cover, the nasal oxygen tube interface is connected with an external oxygen tube, the nasal oxygen tube is used for oxygen therapy of a patient, when the patient needs to inhale oxygen, the hemispherical nose plug is put into a nasal cavity, the nasal oxygen tube cover is opened, and the external oxygen tube is connected to the nasal oxygen tube interface.
The silica gel base is made of liquid food grade or medical grade silica gel, and the filter element is a KN95 or N95 medical mask sheet.
The function of taking in the face guard is that the gaseous of the sick microorganism that contains of patient's exhaling, through the filter core stop in the face guard, under the assistance of miniature fan, with the gaseous leading-in disinfection and isolation device in the face guard. When the storage face mask is used independently as a mask, the two ports with covers are covered.
The mask body is also provided with a hanging belt ear which is tied on the mask hanging belt to fix a supporting point, and the sealing between the silica gel base and the face is kept by adjusting the tightness of the hanging belt.
The disinfection and sterilization device is also provided with a breathing machine interface which is connected with an exhaust pipeline of an external breathing machine, and a normally closed electromagnetic valve II is arranged in the connecting pipeline of the disinfection and sterilization device and the external breathing machine.
The sterilizing cavity consists of an ultraviolet reflecting cover and an ultraviolet lamp tube, the ultraviolet reflecting cover is a shuttle-shaped cavity with the middle expanded and two ends contracted, and the ultraviolet lamp tube is arranged in the shuttle-shaped cavity and is a place for sterilizing exhaled air. The cavity shuttle-shaped structure is used for preventing expired gas from being retained in the disinfection and sterilization cavity to form an invalid cavity. The ultraviolet reflecting cover is processed by mirror surface stainless steel or mirror surface aluminum oxide materials, and can improve the irradiation intensity of ultraviolet rays.
The ultraviolet lamp tube adopts an electrodeless ultraviolet lamp tube (ozone-free type) with the wavelength of 253.7 nanometers, and the working state of the ultraviolet lamp tube is directly controlled by a switch button.
According to the irradiation intensity (i.e. power) of the ultraviolet lamp tube, the disinfection and sterilization cavity can adopt one-stage or multi-stage cavity for combination, and in consideration of the instability of the flow rate or flow of the gas exhaled by the patient, the total irradiation dose is required to reach the requirement of inactivating or killing various pathogenic microorganisms. When the irradiation intensity of the first-stage disinfection and sterilization cavity is not enough, two or more stages of disinfection and sterilization cavities can be combined together. In order to facilitate understanding of the design concept, the utility model adopts the structural form of a two-stage disinfection and sterilization cavity for explanation.
The miniature fan is a low-flow stepless speed change fan, the air inlet end of the miniature fan is connected with the normally closed electromagnetic valve I, and the air outlet end of the miniature fan is connected with the disinfection and sterilization cavity. The breathing mask has the effects of assisting a patient to exhale, and enabling the patient to breathe easily without feeling of suffocation; secondly, the accumulation of water vapor, germs, aerosol and the like in the exhaled air on the surface of the containing face mask is prevented, and the ventilation and filtering effects of the containing face mask are influenced; thirdly, introducing the gas into a disinfection and sterilization device for disinfection and sterilization treatment. The patient independently adjusts the flow of fan through the air volume adjusting knob that sets up on the machine operation panel, and the flow size is with the comfortable degree of self-sensation.
The amount of wind of miniature fan and people breathe the air flow phase-match in real time, the biggest air flow can reach 120L when normal adult moves about, if the gas flow of miniature fan is too big, the velocity of flow is too fast, expired gas is not enough in disinfection and isolation chamber disinfection time, can't reach the disinfection and isolation requirement, so the stepless regulation is carried out at 0 ~ 120L's of per minute flow range to miniature fan, make its real-time amount of wind and people breathe the air flow phase-match in real time, under the prerequisite of guaranteeing patient's breathing comfort, reduce gaseous velocity of flow as far as possible, ensure the sterilization effect.
The utility model has the advantages that: the gas containing pathogenic microorganisms exhaled by inpatients is timely and dynamically collected, filtered, disinfected and sterilized and then discharged, so that the transmission path of diseases is effectively cut off, the infection risks in infectious disease wards, ICU wards and other areas are eliminated, and the gas is extremely important for preventing the prevalence of respiratory infectious diseases.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the storage mask of the present invention.
Fig. 3 is a front view of the storage mask of the present invention.
In the figure: the mask comprises a storage face mask 1, a silica gel base 2, a mask body 3, an air outlet interface 4, a disinfection and sterilization device 5, an ultraviolet reflector 6, an ultraviolet lamp tube 7, a primary disinfection and sterilization cavity 8, a secondary disinfection and sterilization cavity 9, an exhaust tube 10, a breathing machine interface 11, a normally closed electromagnetic valve II 12, a micro fan 13, a normally closed electromagnetic valve I14, an air guide tube interface 15, an air guide tube 16, a nasal oxygen tube 17, a hanging lug 18, a nasal oxygen tube interface 19, a filter element cover 20, a filter element 21 and a filter element seat 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in figure 1, the utility model relates to an exhalation gas sterilizer, which comprises a storage face mask 1 and a sterilization device 5. The accommodating mask 1 is worn on the mouth and nose of a patient, and the air outlet interface 4 is connected with an air duct interface 15 of the disinfection and sterilization device 5 through an air duct 16; the respirator interface 11 is connected with an external respirator exhaust pipeline.
The disinfection and sterilization device 5 comprises a primary disinfection and sterilization cavity 8, a secondary disinfection and sterilization cavity 9, a micro fan 13, a first normally closed electromagnetic valve 14, a second normally closed electromagnetic valve 12 and the like. The air inlet end of the primary disinfection and sterilization cavity 8 is connected with the micro fan 13 and the air outlet end of the normally closed electromagnetic valve II 12, the air outlet end is connected with the air inlet end of the secondary disinfection and sterilization cavity 9, and the air outlet end of the secondary disinfection and sterilization cavity 9 is connected with the exhaust pipe 10; the air inlet end of the micro fan 13 is connected with an air duct interface 15 through a normally closed electromagnetic valve I14, and the air outlet end of the micro fan is connected with the air inlet of the primary disinfection and sterilization cavity 8; and the air inlet of the second normally closed electromagnetic valve 12 is connected with the respirator interface 11, and the air outlet end is also connected with the air inlet of the first-stage disinfection and sterilization cavity 8.
The sterilizing cavity is provided with a primary sterilizing cavity 8 and a secondary sterilizing cavity 9 which have the same structures and are composed of an ultraviolet reflecting cover 6 and an ultraviolet lamp tube 7, the ultraviolet reflecting cover is a shuttle-shaped cavity with the middle expanded and the two ends contracted, and the ultraviolet lamp tube 7 is arranged in the shuttle-shaped cavity and is a place for sterilizing exhaled air.
The ultraviolet reflecting cover 6 is formed by processing mirror stainless steel or mirror alumina materials, and the ultraviolet reflecting cover 6 forms a shell of the disinfection and sterilization cavity 8, so that the irradiation intensity of ultraviolet rays is improved.
The ultraviolet lamp tube 7 adopts an electrodeless ultraviolet lamp tube (ozone-free type) with the wavelength of 253.7 nanometers, and the working state of the ultraviolet lamp tube is directly controlled by a switch button on an operation panel.
The micro fan 13 is a low-flow stepless speed change fan, the air inlet end of the micro fan is connected with the first normally closed electromagnetic valve 14, and the air outlet end of the micro fan is connected with the first-stage disinfection and sterilization cavity 8. The air volume of the micro fan 13 is matched with the breathing ventilation volume and is generally controlled to be 0-120L per minute. After the machine is started, if the patient feels that the breath is not smooth, the flow can be gradually increased through an air volume adjusting knob arranged on the machine operation panel, and the patient feels comfortable.
The air inlet end of the normally closed electromagnetic valve I14 is connected with the air duct connector 15, and the air outlet end of the normally closed electromagnetic valve I is connected with the micro fan 13; and the air inlet end of the second normally closed electromagnetic valve 12 is connected with the respirator interface 11, and the air outlet end of the second normally closed electromagnetic valve is connected with the primary disinfection and sterilization cavity 8. When the disinfection and sterilization device 5 receives gas from the containing mask 1, pressing a mask working key, and opening a first normally-closed electromagnetic valve 14; when the disinfection and sterilization device 5 receives gas from the respirator, the working key of the respirator is pressed, and the second normally-closed electromagnetic valve 12 is opened.
As can be seen from fig. 2 and 3, the storage mask 1 mainly comprises a silica gel base 2, a mask body 3, a filter element seat 22, a filter element 21, a filter element cover 20, a nasal oxygen tube 17 and a strap ear 18, wherein the mask body is provided with an air outlet port 4 with a cover at the bottom and a nasal oxygen tube port 19 with a cover at the side, and is connected with an external oxygen tube. Silica gel base 2 is as an organic whole with 3 gomphosis of the face guard body, form an enlarged cavity, the breathing of releiving, there is the air inlet of accomodating the face guard at the cavity top, the air inlet comprises filter core seat 22 and filter cover 20, filter core 21 is put in filter core seat 22, filter core seat 22 is unanimous with the occlusal surface structure of filter cover 20, all be circular or polygon scattering latticed structure, do benefit to gas penetrating, filter cover 20 is the elasticity material, withhold on filter core seat 22, directly open, be convenient for renew cartridge 21. The filter element 21 is a KN95 or N95 medical mask sheet and is used for filtering bacteria and viruses, and the filter element is replaced once in 4-6 hours generally. The nasal oxygen cannula 17 is used for the patient to inhale oxygen, when the patient needs to inhale oxygen, the hemispherical nasal plug is put into the nasal cavity, and the external oxygen cannula is connected to the nasal oxygen cannula interface 19. The mask body 3 is also provided with a hanging belt ear 18 which is tied on the mask hanging belt fixing pivot and keeps the sealing of the silica gel base 2 and the face by adjusting the tightness of the hanging belt.
When the storage face mask 1 is used independently as a mask, the two covered interfaces of the air outlet interface 4 and the nasal oxygen tube interface 19 are covered.
The function of the containing face mask 1 is to stop the gas containing pathogenic microorganisms exhaled by the patient in the face mask through the filter element 21, and to guide the gas in the face mask into the primary disinfection and sterilization chamber 8 with the help of the micro fan 13.
The utility model discloses a work flow is:
when the patient uses and accomodates the face guard, earlier with the one end of air duct 16 with give vent to anger interface 4 and be connected, the other end and air duct interface 15 are connected, then the patient wears to accomodate face guard 1, touches again and presses the face guard operating key on the operating panel, and normally closed type solenoid valve 14 opens this moment, and miniature fan 13, ultraviolet tube 7 start-up work in proper order. The gas exhaled by the patient enters the primary disinfection and sterilization cavity 8 and the secondary disinfection and sterilization cavity 9 for disinfection and sterilization after passing through the worn containing mask 1, the air duct 16, the first normally closed electromagnetic valve 14 and the micro fan 13. And then discharged through the exhaust pipe 10. And pressing a stop key to stop the micro fan 13 and the ultraviolet lamp tube 7, and closing the normally closed electromagnetic valve I14 to finish a disinfection and sterilization process.
The utility model discloses the work back, the patient assists the patient to exhale through the flow of the miniature fan 13 of the automatic adjustment of the air regulation knob that sets up on operating panel, makes it breathe easily not have the sense of suffocating. The micro fan 13 is a stepless speed change fan, the flow is gradually increased from minus to plus, in order to achieve the best disinfection and sterilization effect on viruses and bacteria, the flow of gas is reduced as much as possible on the premise of ensuring the breathing comfort of a patient, if the flow is too large, the gas flow speed is too fast, the disinfection time in the disinfection and sterilization cavity is insufficient, and the disinfection and sterilization requirements cannot be met.
When a patient uses the respirator, the exhaust pipe of the respirator is firstly connected with the respirator interface 11 of the respirator, then the respirator working key on the operation panel is pressed, the normally closed electromagnetic valve II 12 is opened at the moment, and the ultraviolet lamp tube 7 works. The gas discharged from the breathing machine passes through a second normally closed electromagnetic valve 12 and then enters a first-stage disinfection and sterilization cavity 8 and a second-stage disinfection and sterilization cavity 9 for disinfection and sterilization. And then discharged through the exhaust pipe 10. When the disinfection is required to be stopped, the exhaust pipeline of the respirator is disconnected, then the stop key is pressed, the ultraviolet lamp tube 7 stops working, the normally closed electromagnetic valve II 12 is closed, and the primary disinfection and sterilization process is completed.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.

Claims (10)

1. An expired gas sterilizer, which is characterized in that: the mask comprises a containing mask body and a disinfection and sterilization device, wherein the disinfection and sterilization device comprises a disinfection and sterilization cavity and an air duct interface, the containing mask body comprises a silica gel base, a mask body, an air inlet and an air outlet interface, and the air inlet consists of a filter element seat and a filter element; the air outlet interface of the storage face mask is connected with the air guide pipe interface of the disinfection and sterilization device through the air guide pipe, and a normally closed electromagnetic valve I and a micro fan are arranged in a connecting pipeline of the disinfection and sterilization device and the storage face mask.
2. An exhaled breath disinfection machine according to claim 1, wherein: accomodate the silica gel base of face guard and face guard body gomphosis as an organic whole, form an enlarged cavity, the filter core seat in the cavity top, the filter core is put in the filter core seat, and is fixed through the filter core lid, and there is the interface of giving vent to anger of a band cover face guard body bottom.
3. An exhaled breath disinfection machine according to claim 2, wherein: the filter element cover is consistent with the filter element seat structure and is of a circular or polygonal scattering grid structure, and the filter element cover is made of elastic materials and is buckled and pressed on the filter element seat.
4. An exhaled breath disinfection machine according to claim 1, wherein: the side surface of the containing mask is also provided with a nasal oxygen tube interface with a cover, and the nasal oxygen tube interface is connected with an external oxygen tube.
5. An exhaled breath disinfection machine according to claim 2, wherein: the silica gel base is made of liquid food grade or medical grade silica gel, and the filter element is a KN95 or N95 medical mask sheet.
6. An exhaled breath disinfection machine according to claim 2, wherein: the mask body is also provided with a hanging belt ear.
7. An exhaled breath disinfection machine according to claim 1, wherein: the disinfection and sterilization device is also provided with a breathing machine interface which is connected with an exhaust pipeline of an external breathing machine, and a normally closed electromagnetic valve II is arranged in the connecting pipeline of the disinfection and sterilization device and the external breathing machine.
8. An exhaled breath disinfection machine according to claim 1, wherein: the disinfection and sterilization cavity consists of an ultraviolet reflecting cover and an ultraviolet lamp tube, the ultraviolet reflecting cover is a shuttle-shaped cavity with the middle expanded and the two ends contracted, and the ultraviolet lamp tube is arranged in the shuttle-shaped cavity.
9. An exhaled breath disinfection machine according to claim 1, wherein: the micro fan is a low-flow stepless speed change fan.
10. An exhaled breath disinfection machine according to claim 9, wherein: the air volume of the miniature fan is 0-120L per minute.
CN202121388809.8U 2021-06-22 2021-06-22 Exhaled air sterilizer Active CN214969625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121388809.8U CN214969625U (en) 2021-06-22 2021-06-22 Exhaled air sterilizer

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Application Number Priority Date Filing Date Title
CN202121388809.8U CN214969625U (en) 2021-06-22 2021-06-22 Exhaled air sterilizer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024040488A1 (en) * 2022-08-25 2024-02-29 苏州银雀智能科技有限公司 Backpack ventilator for preventing respiratory infectious disease

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024040488A1 (en) * 2022-08-25 2024-02-29 苏州银雀智能科技有限公司 Backpack ventilator for preventing respiratory infectious disease

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220616

Address after: 414000 floor 2, building 9, Yueyang modern equipment manufacturing industrial park, muligang Avenue, Yueyanglou District, Yueyang City, Hunan Province

Patentee after: Hunan Shenlan medical disinfection equipment Co.,Ltd.

Address before: 414000 room 402, East Building 2, Jinhu community, qiusuo East Road, Yueyanglou District, Yueyang City, Hunan Province

Patentee before: Liu Aibin

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240105

Address after: 414000 room 402, East Building 2, Jinhu community, qiusuo East Road, Yueyanglou District, Yueyang City, Hunan Province

Patentee after: Liu Aibin

Address before: 414000 floor 2, building 9, Yueyang modern equipment manufacturing industrial park, muligang Avenue, Yueyanglou District, Yueyang City, Hunan Province

Patentee before: Hunan Shenlan medical disinfection equipment Co.,Ltd.