CN113842531A

CN113842531A - Novel respirator without condensed water

Info

Publication number: CN113842531A
Application number: CN202111274636.1A
Authority: CN
Inventors: 张蓟; 王香枝; 宋颍丽; 王琳; 白妙琴; 陈珂琪
Original assignee: Woman and Infants Hospital of Zhengzhou
Current assignee: Woman and Infants Hospital of Zhengzhou
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2021-12-28

Abstract

The invention discloses a novel condensate-free respirator, which relates to the technical field of respirators and comprises a shell and a humidifying tank, wherein the humidifying tank is arranged at the bottom end of the shell, the middle part of the shell is fixedly connected with an air inlet pipe, the middle part of the air inlet pipe is fixedly connected with an air filter element, a first heating coil and a fan in sequence, the bottom end of the air inlet pipe is fixedly connected with an air-equalizing ring, the outer side of the bottom end of the air-equalizing ring is provided with an air outlet, the inner wall of the shell is fixedly connected with a heat-insulating layer, a cavity is arranged between the heat-insulating layer and the air inlet pipe, a buffer cavity is arranged inside the top end of the heat-insulating layer, and the bottom end of the heat-insulating layer is fixedly connected with a one-way air valve. According to the invention, the supplied gas after being heated and humidified is cooled and then heated, so that the saturation of water vapor in the gas flow is reduced, meanwhile, the water vapor is prevented from being condensed and separated out when the gas flow is conveyed through the respiratory bellows by controlling the temperature of the gas flow, and the use is more convenient.

Description

Novel respirator without condensed water

Technical Field

The invention relates to the technical field of breathing machines, in particular to a novel breathing machine without condensed water.

Background

The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient. In modern clinical medicine, it is used widely in respiratory failure due to various reasons, anesthesia respiratory management during major surgery, respiratory support therapy and emergency resuscitation, and occupies a very important position in modern medicine field as an effective means for manually replacing the function of spontaneous ventilation. Many children of neonate's intensive care unit need use the breathing machine, and the oxygen that the breathing machine sent into need carry out the humidification, but when external environment temperature was lower, gas temperature reduced wherein too saturated vapor can condense and separate out, if the pipeline is not fixed well, the comdenstion water gets into neonate's lung, can arouse neonate's pneumonia.

The mode of current breathing machine through the gear that reduces the humidifier or adopt heat preservation oxygen therapy pipe avoids the comdenstion water to influence the oxygen suppliment usually, because of the neonate can not make effectual feedback to the discomfort that the comdenstion water caused, need carry out artifical the observation usually, the regulation and control is comparatively inconvenient, heat preservation oxygen therapy pipe heats through winding the heater strip inboard or the outside at oxygen therapy pipe usually to it is great to lead to overall structure quality to increase, and it is comparatively inconvenient to use.

Therefore, there is a need to provide a new type of ventilator without condensed water to solve the above problems.

Disclosure of Invention

Technical problem to be solved

The invention aims to: the invention provides a novel respirator without condensed water, aiming at solving the problems that the condensation and precipitation of water vapor easily affect the oxygen supply effect and are inconvenient to use when the existing respirator supplies oxygen.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

a novel respirator without condensed water comprises a shell and a humidifying tank, wherein the humidifying tank is arranged at the bottom end of the shell, the middle part of the shell is fixedly connected with an air inlet pipe, the middle part of the air inlet pipe is fixedly connected with an air filter element, a first heating coil and a fan in sequence, the bottom end of the air inlet pipe is fixedly connected with an air-equalizing ring, the outer side of the bottom end of the air-equalizing ring is provided with an air outlet, the inner wall of the shell is fixedly connected with a heat insulation layer, a cavity is arranged between the heat insulation layer and the air inlet pipe, a buffer cavity is arranged inside the top end of the heat insulation layer, a one-way air valve is fixedly connected with the bottom end of the heat insulation layer, a backflow port is arranged between the bottom end of the heat insulation layer and the air inlet pipe, the top end of the gas-homogenizing ring is fixedly connected with an overflow ring, one side fixedly connected with U-shaped pipe of casing, the bottom middle part fixedly connected with of U-shaped pipe catchments the jar, the inside of U-shaped pipe is equipped with third heating coil.

Furthermore, the one-way air valves are multiple, and the one-way air valves are distributed on the outer side of the air inlet pipe in an annular array mode.

Further, the air inlet end of the U-shaped pipe is communicated with the buffer cavity.

Further, the intake pipe is medical stainless steel material, the intake pipe is loudspeaker form.

Further, humidification jar and casing thread sealing connection, the humidification jar is transparent material, the bottom fixedly connected with second heating coil and the metal heat-conducting plate of humidification jar.

Furthermore, the gas outlet has a plurality ofly, and is a plurality of gas outlet annular array distributes in the bottom outside of gas ring, the gas ring is the dish form.

Further, including ripple respiratory tube, the heat preservation sleeve has been cup jointed in the outside of ripple respiratory tube, the first pipe connection head of one end fixedly connected with of ripple respiratory tube, the other end fixedly connected with second pipe connection of ripple respiratory tube, the inside fixedly connected with air temperature sensor of second pipe connection.

And further, the interior of the humidifying tank and the air inlet end of the U-shaped pipe are fixedly connected with temperature sensors.

(III) advantageous effects

The invention has the following beneficial effects:

1. according to the invention, the supplied gas after being heated and humidified is cooled and then heated, so that the saturation of water vapor in the gas flow is reduced, meanwhile, the water vapor is prevented from being condensed and separated out when the gas flow is conveyed through the respiratory bellows by controlling the temperature of the gas flow, and the use is more convenient.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a corrugated breathing tube of the present invention.

Reference numerals: 1. a housing; 2. an air filter element; 3. a humidifying tank; 4. a U-shaped tube; 5. a water collection tank; 6. a buffer chamber; 7. a thermal insulation layer; 8. a first heating coil; 9. an air inlet pipe; 10. a fan; 11. a gas homogenizing ring; 12. a second heating coil; 13. an air outlet; 14. an overflow ring; 15. a metal heat-conducting plate; 16. a third heating coil; 17. a one-way air valve; 18. a first pipe connector; 19. a corrugated breathing tube; 20. a heat-insulating sleeve; 21. a second pipe joint; 22. an air temperature sensor; 23. a return port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a novel condensate-free breathing machine comprises a casing 1 and a humidification tank 3, the humidification tank 3 is arranged at the bottom end of the casing 1, the humidification tank 3 is in threaded sealing connection with the casing 1, the humidification tank 3 is made of transparent material, the bottom end of the humidification tank 3 is fixedly connected with a second heating coil 12 and a metal heat-conducting plate 15, the middle part of the casing 1 is fixedly connected with an air inlet pipe 9, the air inlet pipe 9 is made of medical stainless steel, the air inlet pipe 9 is horn-shaped, the middle part of the air inlet pipe 9 is fixedly connected with an air filter element 2, a first heating coil 8 and a fan 10 in sequence, the bottom end of the air inlet pipe 9 is fixedly connected with a gas-homogenizing ring 11, the outside of the bottom end of the gas-homogenizing ring 11 is provided with a plurality of air outlets 13, the plurality of air outlets 13 are distributed on the outside of the bottom end of the gas-homogenizing ring 11 in an annular array manner, the gas-homogenizing ring 11 is dish-shaped, the inner wall of the casing 1 is fixedly connected with a heat-insulating layer 7, be equipped with the cavity between insulating layer 7 and the intake pipe 9, the inside cushion chamber 6 that is equipped with in top of insulating layer 7, the one-way pneumatic valve 17 of bottom fixedly connected with of insulating layer 7, one-way pneumatic valve 17 has a plurality ofly, a plurality of one-way pneumatic valve 17 annular array distribute in the outside of intake pipe 9, be equipped with backward flow mouth 23 between the bottom of insulating layer 7 and the intake pipe 9, the top fixedly connected with overflow ring 14 of homocline ring 11, one side fixedly connected with U-shaped pipe 4 of casing 1, the inlet end and the cushion chamber 6 intercommunication of U-shaped pipe 4, the bottom middle part fixedly connected with of U-shaped pipe 4 catchments jar 5, the inside of U-shaped pipe 4 is equipped with third heating coil 16.

In the embodiment, when the humidifier is used, the humidifier is horizontally placed, sterile water is injected into the humidification tank 3, the liquid level is controlled below the gas homogenizing ring 11, the sterile water in the humidification tank 3 can be heated through the second heating coil 12 and the metal heat conducting plate 15 and is maintained at 35-40 ℃, the fan 10 is started, gas is filtered through the air filter element 2 and then is sent into the gas homogenizing ring 11, then enters the humidification tank 3 through the air outlet 13 at the bottom end of the gas homogenizing ring 11 and is mixed with humid hot air in the humidification tank 3, meanwhile, overpressure gas is discharged into a cavity formed by the heat insulating layer 7 and the air inlet pipe 9 through the one-way air valve 17, since external dry and cold air is sent through the air inlet pipe 9, the air inlet pipe 9 is made of a heat conducting material, the humid hot air is in contact with the outer wall of the air inlet pipe 9 for heat exchange, the humid hot air is cooled, and over-saturated vapor is condensed and separated out on the outer wall of the air inlet pipe 9, and through backward flow mouth 23 landing downwards, under the effect of overflow ring 14 and comdenstion water, can carry out the liquid seal with the bottom of backward flow mouth 23, avoid gas to get into in the cavity of insulating layer 7 and intake pipe 9 through backward flow mouth 23, the air current that the heat transfer was accomplished gets into in the U-shaped pipe 4, under the effect of U-shaped pipe 4, can make the drop of water that the air current carried fall into water collecting tank 5, heat the air current by third heating coil 16, adopt the mode of cooling down earlier after the intensification, reduce the aqueous vapor saturation in the gas, reduce the production of comdenstion water in the air current transportation process.

Example 2

Referring to fig. 1 to 3, the present embodiment is further optimized on the basis of embodiment 1, and specifically includes a corrugated breathing tube 19, a heat insulation sleeve 20 is sleeved outside the corrugated breathing tube 19, one end of the corrugated breathing tube 19 is fixedly connected to a first pipeline connector 18, the other end of the corrugated breathing tube 19 is fixedly connected to a second pipeline connector 21, and an air temperature sensor 22 is fixedly connected inside the second pipeline connector 21.

Specifically, the inside of the humidification tank 3 and the air inlet end of the U-shaped pipe 4 are both fixedly connected with temperature sensors.

In the embodiment, one end of a corrugated breathing tube 19 is connected with a U-shaped tube 4 through a first pipeline connector 18, the other end of the corrugated breathing tube 19 is connected with a breathing mask through a second pipeline connector 21, the heating power of a first heating coil 8 is regulated and controlled through a temperature sensor at the air inlet end of the U-shaped tube 4 to heat an air inlet tube 9, so that the heat loss during heat exchange of wet hot air is reduced, the temperature of air flow entering the U-shaped tube 4 is maintained at 20-25 ℃, excessive condensation and precipitation of water vapor caused by supercooling of the air flow is avoided, the humidifying effect is not affected, the temperature of the air conveyed by the corrugated breathing tube 19 can be detected under the action of an air temperature sensor 22, the heating power of a third heating coil 16 is regulated and controlled according to the detected temperature, the temperature of the air flow at the air outlet end of the corrugated breathing tube 19 is maintained at 25-35 ℃, and the heat loss in the conveying process can be reduced under the action of a heat insulation sleeve 20, under the combined action, condensation of water vapor in the corrugated breathing tube 19 is avoided.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In summary, the following steps: according to the invention, the supplied gas after being heated and humidified is cooled and then heated, so that the saturation of water vapor in the gas flow is reduced, meanwhile, the water vapor is prevented from being condensed and separated out when the gas flow is conveyed through the respiratory bellows by controlling the temperature of the gas flow, and the use is more convenient.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a novel no comdenstion water breathing machine, includes casing (1) and humidification jar (3), its characterized in that: the humidifying tank (3) is arranged at the bottom end of the shell (1), the middle part of the shell (1) is fixedly connected with an air inlet pipe (9), the middle part of the air inlet pipe (9) is fixedly connected with an air filter element (2), a first heating coil (8) and a fan (10) in sequence, the bottom end of the air inlet pipe (9) is fixedly connected with an air-equalizing ring (11), the outer side of the bottom end of the air-equalizing ring (11) is provided with an air outlet (13), the inner wall of the shell (1) is fixedly connected with a heat-insulating layer (7), a cavity is arranged between the heat-insulating layer (7) and the air inlet pipe (9), a buffer cavity (6) is arranged inside the top end of the heat-insulating layer (7), the bottom end of the heat-insulating layer (7) is fixedly connected with a one-way air valve (17), a backflow port (23) is arranged between the bottom end of the heat-insulating layer (7) and the air inlet pipe (9), and the top end of the air-equalizing ring (11) is fixedly connected with an overflow ring (14), one side fixedly connected with U-shaped pipe (4) of casing (1), the bottom middle part fixedly connected with of U-shaped pipe (4) catchments jar (5), the inside of U-shaped pipe (4) is equipped with third heating coil (16).

2. The novel condensate-free ventilator of claim 1, wherein: the number of the one-way air valves (17) is multiple, and the one-way air valves (17) are distributed on the outer side of the air inlet pipe (9) in an annular array mode.

3. The novel condensate-free ventilator of claim 1, wherein: and the air inlet end of the U-shaped pipe (4) is communicated with the buffer cavity (6).

4. The novel condensate-free ventilator of claim 1, wherein: intake pipe (9) are medical stainless steel, intake pipe (9) are the loudspeaker form.

5. The novel condensate-free ventilator of claim 1, wherein: humidification jar (3) and casing (1) thread sealing connection, humidification jar (3) are transparent material, the bottom fixedly connected with second heating coil (12) and metal heat-conducting plate (15) of humidification jar (3).

6. The novel condensate-free ventilator of claim 1, wherein: the gas outlet (13) have a plurality ofly, and is a plurality of gas outlet (13) annular array distributes in the bottom outside of gas ring (11), gas ring (11) are the dish form.

7. A new condensate-free ventilator as claimed in claim 1, comprising a bellows breathing tube (19), characterized in that: insulation sleeve (20) have been cup jointed in the outside of ripple respiratory tube (19), the first pipe connection head of one end fixedly connected with (18) of ripple respiratory tube (19), the other end fixedly connected with second pipe connection head (21) of ripple respiratory tube (19), the inside fixedly connected with air temperature sensor (22) of second pipe connection head (21).

8. The novel condensate-free ventilator of claim 1, wherein: and temperature sensors are fixedly connected in the humidifying tank (3) and the air inlet end of the U-shaped pipe (4).