CN116440606A - A filter equipment for breathing machine - Google Patents

A filter equipment for breathing machine Download PDF

Info

Publication number
CN116440606A
CN116440606A CN202310251029.6A CN202310251029A CN116440606A CN 116440606 A CN116440606 A CN 116440606A CN 202310251029 A CN202310251029 A CN 202310251029A CN 116440606 A CN116440606 A CN 116440606A
Authority
CN
China
Prior art keywords
filtering
filter
adjusting
breathing machine
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310251029.6A
Other languages
Chinese (zh)
Other versions
CN116440606B (en
Inventor
张小冯
宋文娟
刘霖
张艳君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Second Medical Center of PLA General Hospital
Original Assignee
Second Medical Center of PLA General Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Second Medical Center of PLA General Hospital filed Critical Second Medical Center of PLA General Hospital
Priority to CN202310251029.6A priority Critical patent/CN116440606B/en
Publication of CN116440606A publication Critical patent/CN116440606A/en
Application granted granted Critical
Publication of CN116440606B publication Critical patent/CN116440606B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/1055Filters bacterial
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • A61M16/107Filters in a path in the inspiratory path
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0052Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
    • B01D46/0054Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with translational movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B01D46/121V-type arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a filtering device for a breathing machine, which relates to the technical field of medical equipment and comprises the breathing machine and a filtering matrix, wherein the filtering matrix is arranged on the breathing machine and used for filtering passing gas, the filtering matrix is arranged in a hollow mode, a filtering component and a sterilizing component are sequentially arranged in the filtering matrix along the gas flowing direction, and one side of the filtering component is provided with an adjusting component which is used for adjusting the range and the form of the filtering component. The invention aims to provide a filtering device which has good filtering effect, can sterilize and disinfect, has mild and stable air flow and can control air inflow for a breathing machine.

Description

A filter equipment for breathing machine
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a filtering device for a breathing machine.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
In modern clinical medicine, a respirator is used as an effective means capable of replacing autonomous ventilation by manpower, is widely used for respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support treatment and emergency resuscitation, and occupies a very important position in the field of modern medicine. The gas of the breathing machine directly participates in the breathing cycle after the processes of generating, storing, transporting, using environment and the like, so that the gas of the internal cycle of the breathing machine is necessary to be filtered.
The prior art is named as an invention patent of Filter, and the publication number of the invention is US09095675B2. The present invention discloses a filter, in particular a filter arranged between a patient and a ventilator, capable of cleaning breathing air. The invention comprises a filter for use in an exhalation branch of a ventilator comprising a housing provided with an inlet passage and an outlet passage, a main filter element, a prefilter member before the main filter element being seen in the flow direction, and a gas-permeable material through which droplets of a medicament in a gas flow can be collected. The invention can not perform slow flow and sterilization treatment on the air flow.
It should be noted that the foregoing description of the background art is only for the purpose of facilitating a clear and complete description of the technical solutions of the present application and for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background section of the present application.
Disclosure of Invention
The invention aims to provide a filtering device which has good filtering effect, can sterilize and disinfect, has mild and stable air flow and can control air inflow for a breathing machine.
The technical scheme adopted by the invention for achieving the purpose is as follows:
a filtering device for a breathing machine comprises the breathing machine and a filtering matrix, wherein the filtering matrix is arranged on the breathing machine and used for filtering the passing gas,
the filter substrate is hollow, the filter substrate is internally provided with a filter assembly and a sterilization assembly along the gas flowing direction in sequence, one side of the filter assembly is provided with an adjusting assembly, and the adjusting assembly is used for adjusting the range and the form of the filter assembly.
When the breathing machine is connected to an oxygen machine or a hospital for intensively supplying gas, the sucked gas is cleaner, but partial bacteria and fluff are easy to remain in the sucked gas; when the breathing machine is used under normal conditions, the inhaled gas contains more impurities, a large amount of dust and bacteria are easy to stay, and the target crowd can inhale normally only after the filtering assembly is used for filtering and sterilizing. Through setting up of integral device, connect in the breathing machine through filtering the base member, external gas can flow through filtering device earlier when entering into the breathing machine inside, the filtering device of the invention is including filtering the base member, is equipped with filter element and disinfection subassembly along the gaseous circulation direction in the filtering base member, and gaseous when passing through filter element, filter element can adsorb impurity and dust in the gaseous and slowly flow to the air current, helps carrying out thorough elimination to the bacterium in the gaseous when gaseous flow through disinfection software.
The filter assembly is characterized in that one end of the filter assembly is provided with an adjusting assembly, the adjusting assembly can adjust the range and the shape of the filter assembly, the adjusting assembly can deform and vibrate after receiving air flow, and the deformation range of the adjusting assembly can be limited by the setting of the adjusting assembly.
Furthermore, the filtering substrate is provided with a plurality of clamping blocks, and the clamping blocks are used for being equipped with a breathing machine. The efficiency of the replacement of the filtering device and the convenience of the use can be improved through the arrangement of the clamping blocks; meanwhile, the clamping block can improve the connection strength between the filter substrate and the breathing machine, and prevent the filtering device from being unable to work normally due to loosening caused by vibration generated between the breathing machine and the filter substrate under the condition of long-time work at higher power; in addition, the setting of joint piece can make operating personnel just can confirm the state and the angle of device through touching, is favorable to installing filter equipment through the sense of touch under emergency, improves the processing speed to the emergency.
According to one embodiment of the invention, the filter assembly comprises a first filter plate and a second filter plate which are arranged at intervals, a filter baffle is arranged between the first filter plate and the second filter plate, and the filter baffle is arranged in a bending way and provided with a plurality of bends;
the first filter plate and the second filter plate are all attached to the inner wall of the filter substrate, the first filter plate is fixedly arranged, and the second filter plate can slide up and down.
Through the joint arrangement of the first filter plate and the second filter plate and the inner wall of the filter matrix, the gas can be ensured to flow through the first filter plate and the second filter plate, the gas is filtered, the smoke, dust or other particulate matters of the gas flowing through the filter assembly are intercepted, meanwhile, PM2.5 can be efficiently purified, formaldehyde/TVOC and other pollutant volatile matters are decomposed, and most of germs can be adsorbed for two times so as to remove most of germs; be equipped with the filtration baffle between first filter and second filter, the inside velocity of flow of filtration matrix can be used for adjusting the gas to the filtration baffle, guarantees effectual filtration and the delay that helps follow-up sterilization time after slowing down the air current velocity of flow.
Through the integral arrangement of the filter assembly, when gas enters the filter matrix from the outside, the gas sequentially passes through the first filter plate, the filter baffle plate and the second filter plate, and the flow rate of the gas is controlled in the process of passing through the filter assembly; simultaneously the air current can interact with filtering component, because the fixed setting of first filter, and the second filter can slide from top to bottom, and the second filter can reciprocate under the effect of air current, and filtering baffle can produce corresponding deformation along with it, can absorb the impact of partial air current through the removal of second filter and filtering baffle's deformation, further slows down the air current and enters into the inside velocity of flow of a motor vehicle. Simultaneously, the adjusting component can control the upward moving range of the second filter plate, and simultaneously control the deformation range of the sliding baffle plate, so that excessive deformation of the sliding baffle plate is prevented.
In addition, through the arrangement of the filter assembly, sound waves can be absorbed through the first filter plate, the second filter plate and the bent filter baffle, so that the filter assembly can absorb sound of part of the breathing machine through the filter device, and the experience of a patient in a rest process is improved; at the same time, fine liquid drops in the inhaled air flow can be adsorbed, so that the residual liquid drops in the air and generated liquid drops in the breathing machine are prevented from being neutralized or the concentration of the liquid drops is reduced.
According to one embodiment of the invention, a plurality of reinforcing rods which are arranged in parallel are arranged on one side of each bending surface of the filtering baffle, the reinforcing rods are connected through reinforcing ribs, and the reinforcing ribs are arranged perpendicularly to the reinforcing rods.
Through all there being a plurality of parallel arrangement's stiffener in the one side of every face of bending of filtering baffle to improve filtering baffle's the intensity of the face of bending, prevent that the face of bending from producing deformation and then leading to reducing the effect to the air current is slowly fast, the stiffener can be so that filtering baffle to bend to have protruding portion on the face simultaneously, improves effect and the ability to the air current is slowly fast. The strength of the bending surface can be further improved by the arrangement of the reinforcing ribs, and the effect of slowing down air flow is improved.
According to one embodiment of the invention, the adjusting assembly comprises an adjusting base body, wherein the top end of the adjusting base body is provided with a rubber sleeve, the top end of the rubber sleeve is abutted against the inner wall of the filtering base body, the bottom end of the adjusting base body is provided with a rubber ring, an adjusting rod is coaxially arranged in the adjusting base body in a penetrating manner, and the adjusting rod can slide relative to the adjusting base body along the axial direction;
one end of the adjusting rod, which protrudes out of the rubber sleeve, is provided with a convex ring, the filtering substrate is provided with a limiting cover, the limiting cover is correspondingly arranged with the convex ring, and the limiting cover is used for protecting the convex ring.
The adjusting part is mainly used for limiting the upward movement space and deformation space of the second filter plate and the filtering baffle plate, so that the filtering effect of the filtering part on the flowing air flow and the protection capability of the filtering part can be guaranteed, and the condition that the filtering effect is reduced due to plastic deformation of the filtering baffle plate and overlarge interval between the second filter plate and the first filter plate when the air flow is overlarge is prevented. The convex ring is arranged at one end of the adjusting rod and used for controlling the adjusting rod to move up and down relatively, so that the displacement and deformation of the second filter plate and the filtering baffle can be controlled, the maximum air inlet of the filtering assembly is controlled, the convex ring is arranged in the limiting cover, the limiting cover can prevent the convex ring from being touched by mistake and prevent the convex ring from being directly exposed, and the limiting cover is opened and adjusted when the adjusting rod is adjusted, so that the adjusting rod is improved in accuracy.
According to the embodiment of the invention, the outer side of the adjusting rod is provided with the spring in a surrounding manner, the adjusting rod is provided with the clamping block, the clamping block is used for limiting one end of the spring, and the other end of the spring is connected with the rubber ring.
Through the arrangement, the clamping block is used for fixing and limiting the spring, the spring is used for absorbing the impact of the second filter plate on the adjusting rod, meanwhile, the position of the adjusting rod can be ensured, and the adjusting rod is prevented from displacing under the action of the impact so as to influence the accuracy of air inflow; simultaneously, spring and fixture block all set up inside adjusting the base member, adjust the inside adjusting the base member to most, through adjusting the setting of base member, rubber sleeve and rubber ring, can shelter from inside part to reduce the air current that flows through and these parts contact, can prevent that the air current from being polluted or having the condition of carrying other peculiar smell to take place when flowing through, can also prevent that the air current from producing the turbulent flow at these parts of contact, the air current turbulent flow can influence the effect of follow-up disinfecting to the air current.
According to one embodiment of the invention, an elastic piece is arranged at one end of the adjusting rod, which is close to the second filter plate, and comprises two elastic net plates which are symmetrically arranged at intervals, and the two elastic net plates are connected through an elastic net plate frame;
the elastic net plates are curved surfaces, the two elastic net plates are arranged in opposite concave surfaces, and a plurality of reinforcing ribs which are arranged in parallel are arranged on the elastic net plates.
The elastic piece is arranged at one end of the adjusting rod, which is close to the second filter plate, when the second filter plate moves upwards, the elastic piece contacts with the elastic piece and moves upwards continuously, the elastic piece can absorb the upward impact force through self deformation, and meanwhile, the upward speed of the second filter plate can be relieved, so that the second filter plate is facilitated to decelerate and control the position of the second deceleration plate. The elastic piece comprises elastic net plates which are symmetrically arranged at intervals, the elastic net plates and the elastic net frame are arranged, so that the adjusting rod can drive the elastic piece at the bottom of the elastic piece to move up and down compared with the second filter plate, in the process, the elastic piece can drive the airflow part flowing to the upper part in the shell to move down along with the elastic piece so as to slow down the airflow velocity and the residence time in the filter matrix, in addition, the mixing disturbance effect is achieved on the air in the mode, the air distribution is uniform, the air temperature is balanced, and the problems of hole blockage and the like on the elastic net plates can be reduced or avoided by the airflow which moves up and down near the elastic piece; in addition, the elastic mesh plates are curved, and the two elastic mesh plates are arranged in opposite concave surfaces, so that the elastic deformation degree of the elastic mesh plates can be improved, more impact energy from the second filter plate can be absorbed, more gas can be contained in the elastic mesh plates, the mixing of the gas flowing in the upper part and the lower part near the elastic piece is facilitated, and the temperature of the gas is balanced; the elastic net plate is provided with a plurality of reinforcing ribs which are arranged in parallel, so that the strength and the elasticity of the elastic net plate can be improved, and the elastic net plate is prevented from bending and deforming under the impact action.
According to one embodiment of the invention, the sterilization assembly comprises an annular supporting plate, the annular supporting plate is provided with a bearing in a surrounding manner, the bearing is fixedly connected with the inner wall of the filtering matrix, the annular supporting plate is coaxially provided with an ultraviolet lamp in a penetrating manner, two sides of the annular supporting plate are respectively provided with a first guide vane plate and a second guide vane plate, and the first guide vane plate and the second guide vane plates can rotate around the axis of the annular supporting plate; the annular supporting plate is provided with a plurality of ventilation holes.
When the air flow passes through the disinfection component, the disinfection component can disinfect the air flow, and the ultraviolet lamp can disinfect the air flow without generating harmful substances; in addition, in the process of air flow passing through the antivirus software, the air flow can flow along the first guide vane and the second guide vane and drive the first guide vane and the second guide vane to rotate around the axis of the annular supporting plate, so that the first guide vane and the second guide vane rectify the air flow, the flow property of the exhaust air flow is ensured, and the problem that the flow stability or the flow speed instability of the exhaust air flow affects the use of a patient is avoided; meanwhile, the first guide vane and the second guide vane are beneficial to the air flow flowing along the ultraviolet lamp, so that the contact effect and the contact time are improved, and in addition, the flowing air flow can cool the ultraviolet lamp tube, so that the whole device can work and be used for a long time.
The annular supporting plate is provided with a bearing in a surrounding mode, the bearing drives the annular supporting plate to rotate, and meanwhile a plurality of ventilation holes are formed in the annular supporting plate and used for circulation of air flow.
According to an embodiment of the present invention, the first guide vane plate and the second guide vane plate are staggered.
Through the staggered arrangement of the first guide blade plates and the second guide blade plates, when the air flow flows through the disinfection component, the air flow can be divided into smaller air flow sheets, the softness of the air is further improved, the experience of a patient when the air is inhaled is improved, meanwhile, the sterilization and disinfection effects of ultraviolet rays on the air flow sheets are improved when the air flow flows along the ultraviolet lamp, and meanwhile, when the smaller air flow sheets flow through the ultraviolet lamp, mixing and converging can be carried out, and the temperature balance of the air flow flowing through the disinfection component can be ensured; in addition, through two guide vanes that stagger the setting, improve the effect and the degree of disinfecting the subassembly to the capture of air current, flow through ultraviolet lamp with all or most gaseous the flowing through of disinfecting the subassembly, guarantee gaseous disinfection rate.
Drawings
FIG. 1 is a schematic cross-sectional view of a filter apparatus for a ventilator;
FIG. 2 is a schematic perspective view of a ventilator;
FIG. 3 is a perspective illustration of a filter assembly;
FIG. 4 is a schematic perspective view of a filter baffle;
FIG. 5 is a schematic cross-sectional view of an adjustment assembly;
FIG. 6 is a schematic perspective view of an elastic member;
FIG. 7 is a schematic top view of the spring;
fig. 8 is a schematic perspective view of an antivirus assembly;
fig. 9 is a schematic front view of an antivirus assembly.
Reference numerals: the filter base 1, the limit cover 11, the clamping block 12, the breathing machine 2, the filter assembly 3, the first filter plate 31, the second filter plate 32, the filter baffle 33, the reinforcing rod 331, the reinforcing rib 332, the sterilization assembly 4, the annular support plate 41, the bearing 42, the ultraviolet lamp 43, the first guide vane 44, the second guide vane 45, the ventilation hole 46, the adjusting assembly 5, the adjusting base 50, the rubber sleeve 51, the rubber ring 52, the adjusting rod 53, the convex ring 531, the spring 532, the clamping block 533, the elastic piece 6, the elastic screen plate 61, the elastic screen plate 62 and the reinforcing rib 63.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments and the attached drawings:
example 1:
as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, a filtering device for a breathing machine comprises a breathing machine 2 and a filtering base body 1, wherein the filtering base body 1 is arranged on the breathing machine 2 for filtering passing gas,
the filter matrix 1 is hollow, is equipped with filter component 3 and disinfection subassembly 4 along the gas circulation direction in proper order in the filter matrix 1, and filter component 3 one side is equipped with adjusting part 5, and adjusting part 5 is used for adjusting the scope and the form of filter component 3.
When the breathing machine 2 is connected to an oxygen machine or a hospital for intensively supplying gas, the sucked gas is cleaner, but partial bacteria and fluff are easy to remain in the sucked gas; when the ventilator 2 is used under normal conditions, the inhaled gas contains more impurities, and a large amount of dust and bacteria are easy to stay, and the target people can inhale normally only after the filtration and sterilization of the filter assembly 3. Through setting up of whole device, connect through filtering the base member 1 and insert in breathing machine 2, outside gas can flow through filtering device when entering into breathing machine 2 inside earlier, the filtering device of the invention is including filtering the base member 1, as shown in fig. 1, be equipped with filter component 3 and disinfection subassembly 4 along the gas circulation direction in the filter base member 1, when gas is through filter component 3, filter component 3 can adsorb impurity and dust in the gas and slowly flow to the air current, help carrying out thorough elimination to the bacterium in the gas when gas flows through disinfection software.
The filter assembly 3 is provided with the adjusting component 5 at one end, the adjusting component 5 can adjust the range and the form of the filter assembly 3, the adjusting component 5 can generate deformation and vibration after receiving air flow, and the setting of the adjusting component 5 can limit the deformation range of the filter assembly 3.
Further, the filtering base 1 is provided with a plurality of clamping blocks 12, and the clamping blocks 12 are used for being equipped with the breathing machine 2. The efficiency of replacing the filtering device and the convenience of use can be improved through the arrangement of the clamping blocks 12; meanwhile, the clamping block 12 can improve the connection strength between the filter base body 1 and the breathing machine 2, and prevent the filtering device from being unable to work normally due to loosening caused by vibration generated between the breathing machine 2 and the filter base body 1 under the condition of long-time work at higher power; in addition, the clamping block 12 can enable an operator to determine the state and the angle of the device through touching, and the emergency filtering device is mounted through touch sense, so that the emergency processing speed is improved.
The filter assembly 3 comprises a first filter plate 31 and a second filter plate 32 which are arranged at intervals, a filter baffle 33 is arranged between the first filter plate 31 and the second filter plate 32, and the filter baffle 33 is arranged in a bending way and provided with a plurality of bends;
the first filter plate 31 and the second filter plate 32 are attached to the inner wall of the filter substrate 1, the first filter plate 31 is fixedly arranged, and the second filter plate 32 can slide up and down.
Through the joint arrangement of the first filter plate 31 and the second filter plate 32 and the inner wall of the filter matrix 1, the gas can be ensured to flow through the first filter plate 31 and the second filter plate 32, the gas is filtered, the smoke, dust or other particulate matters of the gas flowing through the filter assembly 3 are intercepted, meanwhile, PM2.5 can be efficiently purified, formaldehyde/TVOC and other pollutant volatile matters are decomposed, and most of germs can be adsorbed for two times, so that most of germs are removed; a filtering baffle 33 is provided between the first filter plate 31 and the second filter plate 32, and the filtering baffle 33 can be used for adjusting the flow rate of the gas entering the inside of the filtering matrix 1, so as to ensure effective filtering and delay the subsequent sterilization time after slowing down the flow rate of the gas flow.
By arranging the filter assembly 3 as a whole, when gas enters the filter substrate 1 from the outside, the gas sequentially passes through the first filter plate 31, the filter baffle 33 and the second filter plate 32, and the flow rate of the gas is controlled in the process of passing through the filter assembly 3; meanwhile, the air flow and the filtering component 3 can interact, as the first filtering plate 31 is fixedly arranged, the second filtering plate 32 can slide up and down, the second filtering plate 32 can move up and down under the action of the air flow, the filtering baffle 33 can correspondingly deform, and the impact of part of the air flow can be absorbed through the movement of the second filtering plate 32 and the deformation of the filtering baffle 33, so that the flow speed of the air flow entering the filtering matrix 1 is further slowed down. The adjusting component 5 can control the upward moving range of the second filter plate 32, and simultaneously control the deformation range of the sliding baffle plate, so that excessive deformation of the sliding baffle plate is prevented.
In addition, through the arrangement of the filter assembly 3, sound waves can be absorbed through the first filter plate 31, the second filter plate 32 and the bent filter baffle 33, so that the filter assembly 3 can absorb part of sound generated by the breathing machine 2 through the filter device, and the experience of a patient in a rest process is improved; at the same time, fine liquid drops in the inhaled air flow can be adsorbed, so that the residual liquid drops in the air and generated liquid drops in the breathing machine 2 are prevented from being neutralized or the concentration of the liquid drops is reduced.
The filtering baffle 33 has a plurality of parallel reinforcing rods 331 on one side of each bending surface, the plurality of reinforcing rods 331 are connected by reinforcing ribs 332, and the reinforcing ribs 332 are perpendicular to the reinforcing rods 331.
Through all there are a plurality of parallel arrangement's stiffener 331 in the one side of every face of bending of filtering baffle 33 to improve the intensity of the face of bending of filtering baffle 33, prevent that the face of bending from producing deformation and then leading to reducing the effect to the air current is slowly speed, stiffener 331 can make the face of bending of filtering baffle 33 have protruding part simultaneously, improves effect and ability to the air current is slowly speed. The reinforcing ribs 332 can further improve the strength of the bending surface and improve the effect of slowing down the airflow.
The adjusting assembly 5 comprises an adjusting base body 50, a rubber sleeve 51 is arranged at the top end of the adjusting base body 50, the top end of the rubber sleeve 51 is abutted against the inner wall of the filtering base body 1, a rubber ring 52 is arranged at the bottom end of the adjusting base body 50, an adjusting rod 53 is coaxially and penetratingly arranged in the adjusting base body 50, and the adjusting rod 53 can slide relative to the adjusting base body 50 along the axial direction;
one end of the adjusting rod 53, which protrudes out of the rubber sleeve 51, is provided with a convex ring 531, the filter base body 1 is provided with a limiting cover 11, the limiting cover 11 is correspondingly arranged with the convex ring 531, and the limiting cover 11 is used for protecting the convex ring 531.
The adjusting component 5 is mainly used for limiting the upward moving space and deformation space of the second filter plate 32 and the filter baffle 33, so that the filtering effect of the filter component 3 on the flowing air flow and the protection capability of the filter component 3 can be guaranteed, and the condition that the filter baffle 33 generates plastic deformation and the interval between the second filter plate and the first filter plate is too large to reduce the filtering effect is prevented when the air flow is too large. Through setting up and be provided with bulge loop 531 in adjusting pole 53 one end, bulge loop 531 is used for controlling and adjusts pole 53 and can reciprocate relatively, and then can control second filter 32 and filtration baffle 33 displacement and deformation, and then control the biggest intake of filtration subassembly 3, bulge loop 531 locates in spacing lid 11, and spacing lid 11 can prevent bulge loop 531 by the mistake and touch, prevents bulge loop 531 direct exposure simultaneously, opens spacing lid 11 and adjusts bulge loop 531 when adjusting, is favorable to improving the accuracy of adjusting the regulation of adjusting pole 53.
The outside of the adjusting rod 53 is provided with a spring 532 in a surrounding way, the adjusting rod 53 is provided with a clamping block 533, the clamping block 533 is used for limiting one end of the spring 532, and the other end of the spring 532 is connected with the rubber ring 52.
Through the arrangement, the clamping block 533 is used for fixing and limiting the spring 532, the spring 532 is used for absorbing the impact of the second filter plate 32 on the adjusting rod 53, and meanwhile, the position of the adjusting rod 53 can be ensured, and the adjusting rod 53 is prevented from displacing under the action of the impact so as to influence the accuracy of the air inflow; simultaneously, spring 532 and fixture block 533 all set up in adjusting the inside of base member 50, adjust the inside of base member 50 is located to the regulation pole 53 most, through adjusting the setting of base member 50, rubber sleeve 51 and rubber ring 52, can shelter from the inside part to reduce the air current that flows through and these parts contact, can prevent that the air current from being polluted or have the condition emergence of carrying other peculiar smell when flowing through, can also prevent that the air current from producing turbulent flow at these parts of contact, the air current turbulent flow can influence the effect of follow-up disinfecting to the air current.
The adjusting rod 53 is provided with an elastic piece 6 near one end of the second filter plate 32, the elastic piece 6 comprises two elastic net plates 61 which are symmetrically arranged at intervals, and the two elastic net plates 61 are connected through an elastic net plate frame 62;
the elastic net plates 61 are curved, the two elastic net plates 61 are arranged in opposite concave surfaces, and a plurality of reinforcing ribs 63 are arranged on the elastic net plates 61 in parallel.
The elastic piece 6 is arranged at one end of the adjusting rod 53 close to the second filter plate 32, when the second filter plate 32 moves upwards, the elastic piece 6 can be contacted with the elastic piece 6 and continuously moves upwards, the elastic piece 6 can absorb upward impact force through self deformation, and meanwhile, the upward speed of the second filter plate 32 can be relieved, so that the second filter plate 32 is facilitated to be decelerated and the position of the second deceleration plate is controlled. The elastic piece 6 comprises elastic net plates 61 which are symmetrically arranged at intervals, the elastic net plates 61 and the elastic net frame are arranged, so that the adjusting rod 53 can drive the elastic piece 6 at the bottom of the elastic piece to move up and down compared with the second filter plate 32, in the process, the elastic piece 6 can promote the airflow part flowing to the upper part in the shell to move down along with the elastic piece 6 so as to slow down the airflow velocity and the residence time in the filter matrix 1, in addition, the mixing disturbance effect is achieved on the air in the mode, the air distribution is uniform, the air temperature is balanced, and the airflow flowing in the up-down displacement way near the elastic piece 6 can reduce or avoid the problems of hole blockage and the like on the elastic net plates 61; in addition, the elastic net plates 61 are curved, and the two elastic net plates 61 are arranged in opposite concave surfaces, so that the elastic deformation degree of the elastic net plates 61 can be improved, more impact energy from the second filter plate 32 can be absorbed, more gas can be contained in the elastic net plates, the mixing of the gas flowing in the upper and lower parts near the elastic piece 6 is facilitated, and the temperature of the gas is balanced; the elastic net plate 61 is provided with a plurality of parallel reinforcing ribs 63, which can improve the strength and elasticity of the elastic net plate 61 and prevent the elastic net plate 61 from bending and deforming under the impact action.
The sterilization assembly 4 comprises an annular supporting plate 41, the annular supporting plate 41 is provided with a bearing 42 in a surrounding manner, the bearing 42 is fixedly connected with the inner wall of the filtering matrix 1, the annular supporting plate 41 is coaxially provided with an ultraviolet lamp 43 in a penetrating manner, and two sides of the annular supporting plate 41 are respectively provided with a first guide vane 44 and a second guide vane 45; the annular support plate 41 is provided with a plurality of ventilation holes 46.
When the air flow passes through the disinfection component 4, the disinfection component 4 can disinfect the air flow, and the ultraviolet lamp 43 can disinfect the air flow without generating harmful substances; in addition, in the process of air flow passing through the antivirus software, the air flow can flow along the first guide vane plate 44 and the second guide vane plate 45 and drive the first guide vane plate 44 and the second guide vane plate 45 to rotate around the axis of the annular supporting plate 41, so that the first guide vane plate 44 and the second guide vane plate 45 rectify the air flow, the flow property of the discharged air flow is ensured, and the problem that the flow stability or the flow speed instability of the discharged air flow affects the use of a patient is avoided; meanwhile, the first guide vane plate 44 and the second guide vane plate 45 are beneficial to the air flow flowing along the ultraviolet lamp 43, so that the contact effect and the contact time are improved, and in addition, the flowing air flow can cool the ultraviolet lamp 43 tube, so that the whole device can work and be used for a long time.
The annular supporting plate 41 is provided with a bearing 42 in a surrounding manner, the bearing 42 drives the annular supporting plate 41 to rotate, and meanwhile, the annular supporting plate 41 is provided with a plurality of ventilation holes 46, and the ventilation holes 46 are used for circulation of air flow.
The first guide vane plates 44 and the second guide vane plates 45 are staggered.
Through the staggered arrangement of the first guide vane plates 44 and the second guide vane plates 45, when the air flow flows through the disinfection assembly 4, the air flow can be divided into smaller air flow sheets, the softness of the air is further improved, the experience of a patient when the air is inhaled is improved, meanwhile, the sterilization and disinfection effects of ultraviolet rays on the air flow sheets are improved when the air flow flows along the ultraviolet lamp 43, meanwhile, when the smaller air flow sheets flow through the ultraviolet lamp 43, mixing and converging can be carried out, and the temperature balance of the air flow flowing through the disinfection assembly 4 can be ensured; in addition, through two guide vanes that stagger the setting, improve the effect and the degree of catching of antivirus component 4 to the air current, flow through ultraviolet lamp 43 with all or most gas that flow through antivirus component 4, guarantee the disinfection rate of disinfecting of gas.
While the foregoing embodiments have been described in detail in connection with the embodiments of the invention, it should be understood that the foregoing embodiments are merely illustrative of the invention and are not intended to limit the invention, and any modifications, additions, substitutions and the like made within the principles of the invention are intended to be included within the scope of the invention.

Claims (8)

1. A filtering device for a breathing machine comprises a breathing machine (2) and a filtering matrix (1), wherein the filtering matrix (1) is arranged on the breathing machine (2) and is used for filtering passing gas,
the novel filter is characterized in that the filter substrate (1) is arranged in a hollow mode, a filter assembly (3) and a disinfection assembly (4) are sequentially arranged in the filter substrate (1) along the air flowing direction, an adjusting assembly (5) is arranged on one side of the filter assembly (3), and the adjusting assembly (5) is used for adjusting the range and the shape of the filter assembly (3).
2. The filtering device for a breathing machine according to claim 1, wherein the filtering assembly (3) comprises a first filtering plate (31) and a second filtering plate (32) which are arranged at intervals, a filtering baffle (33) is arranged between the first filtering plate (31) and the second filtering plate (32), and the filtering baffle (33) is arranged in a bending way and provided with a plurality of bending ways;
the first filter plates (31) and the second filter plates (32) are attached to the inner wall of the filter substrate (1), the first filter plates (31) are fixedly arranged, and the second filter plates (32) can slide up and down.
3. A filter device for a breathing machine according to claim 2, wherein the filter baffle (33) has a plurality of parallel reinforcing bars (331) on one side of each bending surface, a plurality of the reinforcing bars (331) are connected by reinforcing ribs (332), and the reinforcing ribs (332) are arranged perpendicularly to the reinforcing bars (331).
4. The filtering device for the breathing machine according to claim 2, wherein the adjusting assembly (5) comprises an adjusting base body (50), a rubber sleeve (51) is arranged at the top end of the adjusting base body (50), the top end of the rubber sleeve (51) is abutted against the inner wall of the filtering base body (1), a rubber ring (52) is arranged at the bottom end of the adjusting base body (50), an adjusting rod (53) is coaxially arranged in the adjusting base body (50) in a penetrating manner, and the adjusting rod (53) can slide relative to the adjusting base body (50) along the axial direction;
the utility model discloses a filter, including adjusting pole (53), filtering base (1), adjusting pole (53), protruding rubber sleeve (51) one end is equipped with bulge loop (531), be equipped with spacing lid (11) on filtering base (1), spacing lid (11) set up with bulge loop (531) correspondence, spacing lid (11) are used for protection and control bulge loop (531).
5. The filtering device for the breathing machine according to claim 4, wherein a spring (532) is arranged around the outer side of the adjusting rod (53), a clamping block (533) is arranged on the adjusting rod (53), the clamping block (533) is used for limiting one end of the spring (532), and the other end of the spring (532) is connected with the rubber ring (52).
6. A filter device for a breathing machine according to claim 4 or 5, characterized in that the end of the adjusting rod (53) near the second filter plate (32) is provided with an elastic member (6), the elastic member (6) comprises two elastic net plates (61) arranged symmetrically at intervals, and the two elastic net plates (61) are connected through an elastic net plate frame (62);
the elastic net plates (61) are curved, the two elastic net plates (61) are arranged in opposite concave surfaces, and a plurality of reinforcing ribs (63) which are arranged in parallel are arranged on the elastic net plates (61).
7. The filtering device for the breathing machine according to claim 1, wherein the sterilizing component (4) comprises an annular supporting plate (41), the annular supporting plate (41) is provided with a bearing (42) in a surrounding mode, the bearing (42) is fixedly connected with the inner wall of the filtering matrix (1), the annular supporting plate (41) is coaxially provided with an ultraviolet lamp (43) in a penetrating mode, and two sides of the annular supporting plate (41) are respectively provided with a plurality of first guide blades (44) and second guide blades (45);
a plurality of ventilation holes (46) are formed in the annular supporting plate (41).
8. The filtering device for a ventilator according to claim 7, wherein the first and second guide vanes (44, 45) are staggered.
CN202310251029.6A 2023-03-16 2023-03-16 A filter equipment for breathing machine Active CN116440606B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310251029.6A CN116440606B (en) 2023-03-16 2023-03-16 A filter equipment for breathing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310251029.6A CN116440606B (en) 2023-03-16 2023-03-16 A filter equipment for breathing machine

Publications (2)

Publication Number Publication Date
CN116440606A true CN116440606A (en) 2023-07-18
CN116440606B CN116440606B (en) 2024-02-27

Family

ID=87129251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310251029.6A Active CN116440606B (en) 2023-03-16 2023-03-16 A filter equipment for breathing machine

Country Status (1)

Country Link
CN (1) CN116440606B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000053669A (en) * 1999-02-25 2000-09-05 허지석 Household Oxygen Generated Air Cleaner
CN110529674A (en) * 2019-09-04 2019-12-03 李洁玲 A kind of air filter for buffering blast pipe and air inlet impact being slowed down
CN213760955U (en) * 2020-11-14 2021-07-23 苏州碧螺天然泉食品饮料有限公司 Buffer type cloth bag filter
CN214680856U (en) * 2021-04-01 2021-11-12 江苏悦泽环保设备有限公司 Environment-friendly equipment for waste gas dust removal
CN215311028U (en) * 2021-07-26 2021-12-28 无锡永润环境科技有限公司 Buffer type does not have baffle filter
CN216571088U (en) * 2021-09-09 2022-05-24 中国人民解放军总医院第二医学中心 Severe patient breathes auxiliary device
CN216676886U (en) * 2021-12-20 2022-06-07 中国人民解放军总医院第二医学中心 Department of respiration patient's pulmonary function rehabilitation training device
CN216909393U (en) * 2022-03-11 2022-07-08 吴莉莎 Filtering device for steam drum downpipe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000053669A (en) * 1999-02-25 2000-09-05 허지석 Household Oxygen Generated Air Cleaner
CN110529674A (en) * 2019-09-04 2019-12-03 李洁玲 A kind of air filter for buffering blast pipe and air inlet impact being slowed down
CN213760955U (en) * 2020-11-14 2021-07-23 苏州碧螺天然泉食品饮料有限公司 Buffer type cloth bag filter
CN214680856U (en) * 2021-04-01 2021-11-12 江苏悦泽环保设备有限公司 Environment-friendly equipment for waste gas dust removal
CN215311028U (en) * 2021-07-26 2021-12-28 无锡永润环境科技有限公司 Buffer type does not have baffle filter
CN216571088U (en) * 2021-09-09 2022-05-24 中国人民解放军总医院第二医学中心 Severe patient breathes auxiliary device
CN216676886U (en) * 2021-12-20 2022-06-07 中国人民解放军总医院第二医学中心 Department of respiration patient's pulmonary function rehabilitation training device
CN216909393U (en) * 2022-03-11 2022-07-08 吴莉莎 Filtering device for steam drum downpipe

Also Published As

Publication number Publication date
CN116440606B (en) 2024-02-27

Similar Documents

Publication Publication Date Title
JP5651604B2 (en) Air sterilization and cleaning device, and breath gas sterilization and cleaning device, indoor air sterilization and cleaning device, and simple isolation device using the same
CN211268753U (en) Electronic mask with ultraviolet sterilization device
CN108837172A (en) The isolated disinfection diagnosis and treatment table equipment of one kind and its application method
CN112755473B (en) Breathe integrative equipment of internal medicine lung function rehabilitation physiotherapy of supplementary medicine of inhaling
CN110465154A (en) A kind of novel smog filtration purifier and application method
CN116440606B (en) A filter equipment for breathing machine
CN215024359U (en) Breathing apparatus
CN206755386U (en) Assembled intelligent air sterilizer and its application
CN112856687A (en) Horizontal and vertical blowing and sucking combined air isolation device, system and method
CN111457492A (en) Infectious disease protection type medical care cover and disinfection ventilation system
CN209147307U (en) A kind of infectious disease breath purifying device
CN213841250U (en) Air sterilizer for medical treatment
CN213020131U (en) Disinfection and sterilization ventilation system
CN210951821U (en) Indoor air pollution treatment device
CN211451218U (en) Cabinet type air disinfection purifier
KR20220112170A (en) A negative pressure mobile device using cyclone
CN210891969U (en) Air sterilizer
CN112618980A (en) Hospital infectious department purifies formula and breathes nursing device
CN216570884U (en) Disinfection and sterilization device for production of disposable medical mask
CN211695222U (en) Infectious disease protection type medical care cover and disinfection ventilation system
CN108895556A (en) A kind of medical respiration section negative ion air-cleaner
CN211041223U (en) Air treatment device for diagnosis room of department of respiration
CN108692378A (en) Assembled intelligent air sterilizer and its application
CN213220181U (en) Novel breathing machine
CN213657055U (en) Virus killing air freshener

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant