Breathing following oxygen supply structure and breathing following oxygen supply system

Abstract

The application discloses a breathing following type oxygen supply structure and a breathing following type oxygen supply system. The breathing following type oxygen supply structure comprises a main pipeline, a first branch pipeline and a second branch pipeline. One end of the main pipeline is provided with an oxygen inlet for connecting a continuous oxygen generator to input oxygen. A flow rate adjusting device is arranged in the main pipeline. One end of the first branch pipeline, one end of the second branch pipeline and the other end of the main pipeline are connected to each other in pairs. The other end of the first branch pipeline is provided with an oxygen outlet for outputting oxygen. A first one-way valve is arranged in the first branch pipeline. The first one-way valve is configured to be conducted in the direction from the oxygen inlet to the oxygen outlet. The other end of the second branch pipeline is connected with an air bag. The air bag is used for buffering oxygen. The air bag is arranged to change its volume by the movement between the air bag walls. The breathing following type oxygen supply system comprises the breathing following type oxygen supply structure. The scheme can save oxygen and ensure the oxygen supply effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oxygen production, in particular to a breathing following type oxygen supply structure and a breathing following type oxygen supply system. BACKGROUND

[0002] The existing oxygen generator is divided into continuous type oxygen generator and pulse type oxygen generator according to different oxygen output modes. The continuous type oxygen generator has the characteristics of continuous oxygen supply under stable pressure, and combines with the nasal catheter to insert the catheter into the nasopharynx of the user for oxygen inhalation. When the oxygen is continuously supplied, the nasal catheter is in the above-mentioned open type oxygen supply mode. When the user exhales, the direction of the continuous oxygen flow in the catheter is opposite to the direction of human respiration, and the output oxygen will be discharged out of the body along with the exhaled gas, and will not be inhaled by the user. According to respiratory physiology, the exhalation time accounts for nearly 50% of the whole respiratory cycle. Therefore, nearly 50% of the continuous oxygen flow is wasted, which greatly reduces the oxygen inhalation efficiency and oxygen utilization rate of the user, and causes oxygen waste.

[0003] The common pulse type oxygen generator monitors the user's inhalation action through a sensor, and supplies a certain amount of oxygen at the moment of inhalation and closes the outlet valve. This method is limited by the breathing frequency. When the breathing frequency is too high, the flow output is too large, the oxygen concentration will decrease, and the gas tank cannot be pressurized in time, so the gas supply frequency cannot keep up with the breathing frequency. At the same time, since the pulse type oxygen generator only supplies a certain amount of oxygen each time, it cannot cope with the breathing scene of deep breathing and other long inhalation time, and cannot provide normal oxygen supplement function. SUMMARY

[0004] The main purpose of the present application is to provide a breathing following type oxygen supply structure and a breathing following type oxygen supply system, which aims to save oxygen and ensure the oxygen supply effect.

[0005] In order to achieve the above-mentioned purpose, the breathing following type oxygen supply structure provided by the present application comprises a main pipeline, a first branch pipeline and a second branch pipeline, one end of the main pipeline forms an oxygen inlet for connecting a continuous type oxygen generator to input oxygen, and a flow rate adjusting device is installed in the main pipeline; one end of the first branch pipeline, one end of the second branch pipeline and the other end of the main pipeline are in communication with each other, the other end of the first branch pipeline forms an oxygen outlet for outputting oxygen, a first one-way valve is installed in the first branch pipeline, the first one-way valve is configured to be conductive from the oxygen inlet to the oxygen outlet, the other end of the second branch pipeline is connected with an air bag, the air bag is used to buffer oxygen, and the air bag is arranged to change its volume by the movement between the bag walls.

[0006] Optionally, the flow rate adjusting device is a second one-way valve configured to be conductive from the oxygen inlet to the oxygen outlet.

[0007] Optionally, the second one-way valve is configured to open at a pressure of 2-7 kPa.

[0008] Optionally, the first one-way valve is a diaphragm valve.

[0009] Optionally, the air bag is made of a flexible material.

[0010] Optionally, the flexible material is a polyethylene material.

[0011] Optionally, the breath-following oxygen supply structure further comprises a shell sleeved outside the air bag, the shell being provided with a hole.

[0012] Optionally, the maximum volume of the air bag when inflated is greater than the capacity of the shell.

[0013] The present application also provides a breath-following oxygen supply system, which comprises a continuous oxygen generator and a breath-following oxygen supply structure as described above; the oxygen outlet of the continuous oxygen generator is in communication with the oxygen inlet.

[0014] Optionally, the capacity of the shell is equivalent to the volume of oxygen output by the continuous oxygen generator within one exhalation time.

[0015] The technical scheme of the present application, the breathing following type oxygen supply structure includes a main pipeline, a first branch pipe and a second branch pipe, one end of the first branch pipe, one end of the second branch pipe and the other end of the main pipeline are communicated with each other in pairs, one end of the main pipeline forms an oxygen inlet for connecting a continuous oxygen generator to input oxygen, under the oxygen outlet pressure of the continuous oxygen generator, the oxygen in the main pipeline will flow to the first branch pipe and / or the second branch pipe, a flow rate adjusting device is installed in the main pipeline to slow down the input oxygen, reduce the oxygen inertia and pressure in the main pipeline, at this time, according to the gas flow characteristics, the oxygen in the main pipeline will selectively flow into the branch pipe with smaller pressure in the first branch pipe and the second branch pipe; when the user inhales, the first check valve installed in the first branch pipe is affected by the inhalation negative pressure and the continuous positive pressure of the continuous oxygen generator to be turned on, at this time, the oxygen is stored in the air bag, the pressure of the first branch pipe is smaller than that of the second branch pipe, therefore, the real-time oxygen output of the continuous oxygen generator selectively flows into the first branch pipe with smaller pressure through the main pipeline, similarly, the stored oxygen in the air bag flows into the first branch pipe with smaller pressure through the second branch pipe, that is, when the user inhales, the real-time oxygen output of the continuous oxygen generator and the stored oxygen in the air bag both flow into the first branch pipe, and finally flow out from the oxygen outlet, realizing oxygen supply; when the user exhales, the first check valve installed in the first branch pipe is affected by the exhalation positive pressure to be closed, at this time, the stored oxygen in the air bag is discharged when inhaling, the pressure in the air bag is smaller than the exhalation positive pressure, the pressure of the second branch pipe is smaller than that of the first branch pipe, the real-time oxygen output of the continuous oxygen generator selectively flows into the second branch pipe with smaller pressure through the main pipeline, that is, the real-time oxygen supply of the continuous oxygen generator flows into the air bag to be stored, waiting for the next inhalation period to be absorbed by the user. The flow rate adjusting device installed in the main pipeline slows down the real-time oxygen supply input from the continuous oxygen generator, avoiding that when the user inhales, the oxygen in the main pipeline ignores the pressure difference between the first branch pipe and the second branch pipe due to inertia and high pressure, and directly fills the air bag through the second branch pipe, resulting in that when the user exhales, the air bag cannot store oxygen because it has been filled, leading to structural failure, at the same time, the air bag is arranged to change its volume by the movement between the bag walls, when the user exhales to generate positive pressure, the air bag will not form pressure due to the surface tension of the bag wall material itself, the pressure in the air bag is smaller than the exhalation positive pressure, ensuring that the real-time oxygen output of the continuous oxygen generator selectively flows into the second branch pipe to be stored in the air bag, avoiding the structural failure caused by the real-time oxygen output of the continuous oxygen generator flowing into the first branch pipe to open the first check valve, similarly, in the inhalation stage, the pressure in the air bag is smaller, ensuring that the stored oxygen flows into the first branch pipe.In the scheme, the first one-way valve is closed in the expiration stage, the real-time oxygen supply of the continuous oxygen supply machine is stored in the air bag, waste is avoided, and oxygen utilization is improved; in the inspiration stage, the real-time oxygen supply of the continuous oxygen supply machine and the stored oxygen in the air bag are output at the same time, the output oxygen flow is obviously improved, the oxygen supply is not limited by the breathing frequency, is not affected by the breathing time, oxygen is saved, and the oxygen supply effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some of the embodiments of the present application, and other drawings can be obtained by those of ordinary skill in the art without creative effort based on the drawings shown.

[0017] Figure 1 The schematic diagram of the embodiment of the breathing following type oxygen supply system provided by the present application is shown in the figure.

[0018] Explanation of reference numerals:

[0019]

[0020]

[0021] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0023] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications will also change accordingly.

[0024] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0025] The existing oxygen generator is divided into continuous oxygen generator and pulse oxygen generator according to different oxygen output modes. The continuous oxygen generator is characterized by continuous supply of oxygen under stable pressure, combined with nasal catheter, and the catheter is inserted into the nasopharynx of the user for oxygen inhalation. When the oxygen is continuously supplied, the nasal catheter is in the above-mentioned open oxygen supply mode. When the user exhales, the direction of the continuous oxygen flow in the catheter is opposite to the direction of human respiration, and the output oxygen will be discharged out of the body with the exhaled gas, and will not be inhaled by the user. According to respiratory physiology, the exhalation time accounts for nearly 50% of the whole respiratory cycle. Therefore, nearly 50% of the continuous oxygen flow is wasted, which greatly reduces the oxygen inhalation efficiency and oxygen utilization rate of the user, causing oxygen waste.

[0026] And the common pulse oxygen generator monitors the user's inhalation action through a sensor, and closes the outlet valve after supplying a certain amount of oxygen at the moment of inhalation. This method is limited by the breathing frequency. When the breathing frequency is too high, the flow output is too large, the oxygen concentration will decrease, and the gas tank cannot be pressurized in time, so the gas supply frequency cannot keep up with the breathing frequency. At the same time, since the pulse oxygen generator only supplies a certain amount of oxygen each time the user inhales, it cannot cope with the breathing scene of deep breathing and the like with long inhalation time, and cannot provide normal oxygen supplement function.

[0027] In view of this, the present application provides a breathing following type oxygen supply structure 100 and a breathing following type oxygen supply system 1000, Figure 1 For an embodiment of the breathing following type oxygen supply system 1000 provided by the present application, please refer to Figure 1 The breathing following type oxygen supply system 1000 includes a continuous oxygen generator 200 and a breathing following type oxygen supply structure 100, and the main point of the present application is to improve the breathing following type oxygen supply structure 100. The following will mainly describe the breathing following type oxygen supply structure 100 in combination with specific drawings.

[0028] In the embodiments of the present application, please refer to Figure 1The breathing following type oxygen supply structure 100 comprises a main pipeline 1, a first branch pipeline 2 and a second branch pipeline 3, one end of the main pipeline 1 forms an oxygen inlet 11, used for being communicated with a continuous oxygen generator 200 to input oxygen, a flow rate adjusting device 12 is installed in the main pipeline 1, one end of the first branch pipeline 2, one end of the second branch pipeline 3 and the other end of the main pipeline 1 are communicated with each other in pairs, the other end of the first branch pipeline 2 forms an oxygen outlet 21, used for outputting oxygen, a first one-way valve 22 is installed in the first branch pipeline 2, the first one-way valve 22 is configured to be conducted in the direction from the oxygen inlet 11 to the oxygen outlet 21, the other end of the second branch pipeline 3 is communicated with an air bag 31, the air bag 31 is used for buffering oxygen, the air bag 31 is arranged to change its volume by the movement between the bag walls.

[0029] The technical scheme of the present application, the breathing following type oxygen supply structure 100 includes the main pipeline 1, the first branch pipe 2 and the second branch pipe 3, one end of the first branch pipe 2, one end of the second branch pipe 3 and the other end of the main pipeline 1 are communicated with each other in pairs, one end of the main pipeline 1 forms an oxygen inlet 11, which is connected with a continuous oxygen generator 200 to input oxygen, due to the oxygen outlet pressure of the continuous oxygen generator 200, the oxygen in the main pipeline 1 will flow to the first branch pipe 2 and / or the second branch pipe 3, the flow rate adjusting device 12 is installed in the main pipeline 1, which slows down the input oxygen, reduces the oxygen inertia and pressure in the main pipeline 1, at this time, according to the gas flow characteristics, the oxygen in the main pipeline 1 will selectively flow into the branch pipe with smaller pressure in the first branch pipe 2 and the second branch pipe 3; when the user inhales, the first one-way valve 22 installed in the first branch pipe 2 is affected by the inhalation negative pressure and the continuous positive pressure of the continuous oxygen generator 200 to be turned on, at this time, the oxygen is buffered in the air bag 31, the pressure of the first branch pipe 2 is smaller than that of the second branch pipe 3, therefore, the real-time oxygen output of the continuous oxygen generator 200 selectively flows into the first branch pipe 2 with smaller pressure through the main pipeline 1, similarly, the buffered oxygen in the air bag 31 flows into the first branch pipe 2 with smaller pressure through the second branch pipe 3, that is, when the user inhales, the real-time oxygen output of the continuous oxygen generator 200 and the buffered oxygen in the air bag 31 both flow into the first branch pipe 2, and finally flow out from the oxygen outlet 21, realizing oxygen supply; when the user exhales, the first one-way valve 22 installed in the first branch pipe 2 is closed under the influence of the exhalation positive pressure, at this time, the buffered oxygen in the air bag 31 is discharged when inhaling, the pressure in the air bag 31 is smaller than the exhalation positive pressure, the pressure of the second branch pipe 3 is smaller than that of the first branch pipe 2, the real-time oxygen output of the continuous oxygen generator 200 selectively flows into the second branch pipe 3 with smaller pressure through the main pipeline 1, that is, the real-time oxygen supply of the continuous oxygen generator 200 flows into the air bag 31 to be buffered, waiting for the next inhalation period to be absorbed by the user.The flow rate regulating device 12 installed in the main pipeline 1 slows down the real-time oxygen supply from the continuous oxygen generator 200, so as to avoid that when the user inhales, the oxygen in the main pipeline 1 directly fills the air bag 31 through the second branch pipe 3 due to inertia and high pressure regardless of the pressure difference between the first branch pipe 2 and the second branch pipe 3, so that when the user exhales, the air bag 31 cannot store oxygen due to being already filled, resulting in structural failure. Meanwhile, the air bag 31 is arranged to change its volume by the movement between the walls, and when the user exhales to generate positive pressure, the air bag 31 will not form pressure due to the surface tension of the wall material itself, the pressure in the air bag 31 is less than the positive pressure of exhalation, so as to ensure that the real-time oxygen output of the continuous oxygen generator 200 selectively flows into the second branch pipe 3 to be buffered in the air bag 31, avoiding the structural failure caused by the real-time oxygen output of the continuous oxygen generator 200 flowing into the first branch pipe 2 to open the first check valve 22. Similarly, during the inhalation stage, the pressure in the air bag 31 is small, so as to ensure that the buffered oxygen flows into the first branch pipe 2. In this scheme, the first check valve 22 is closed during the exhalation stage, and the real-time oxygen supply of the continuous oxygen generator 200 is buffered in the air bag 31, so as to avoid waste and improve the oxygen utilization rate. During the inhalation stage, the real-time oxygen supply of the continuous oxygen generator 200 and the buffered oxygen in the air bag 31 are output at the same time, the output oxygen flow is obviously improved, and the oxygen supply is not limited by the breathing frequency and is not affected by the breathing time, so as to save oxygen and ensure the oxygen supply effect.

[0030] The flow rate regulating device 12 can be any device that can regulate the flow rate, such as a throttle valve. In this embodiment, the flow rate regulating device 12 is a second check valve 121, which is configured to be conductive from the oxygen inlet 11 to the oxygen outlet 21, so as to ensure that the oxygen in the main pipeline 1 flows from the oxygen inlet 11 to the oxygen outlet 21 while slowing down the input oxygen to reduce the inertia and pressure of the oxygen in the main pipeline 1, thereby improving the reliability of the structure.

[0031] Further, in this embodiment, the second check valve 121 is configured to have an opening pressure of 2-7 kPa, which is relatively small, so as to avoid high back pressure to reduce the flow of the continuous oxygen generator 200 or cause pressure loss of the oxygen flow, thereby ensuring the oxygen supply effect. In one embodiment, the second check valve 121 is a spring check valve, which is a pure mechanical structure and is not easy to be damaged, so as to improve the reliability of the structure.

[0032] In this embodiment, the first check valve 22 is a diaphragm valve, so that the resistance of the oxygen flow in the first branch pipe 2 is small, and the first check valve 22 is automatically closed and opened with the breathing, thereby improving the effectiveness of the structure. It should be noted that the first check valve 22 can be provided as two valves to cooperate with the oxygen inhalation structure of two nasal catheters, and of course, can also be used for common oxygen inhalation structures such as earphone type, nasal mask type, and face mask type.

[0033] In this embodiment, in order to ensure that the air bag 31 changes its volume by the movement between the air bag walls, avoid the pressure loss of the air bag 31 caused by the elastic tension of the air bag wall, the air bag 31 is made of flexible material, can be designed to be non-elastic / micro-elastic, and can be as light and thin as possible. When the user exhales to generate positive pressure, the air bag 31 will not form pressure due to the surface tension of the material itself, ensuring that the pressure at the end of the air bag 31 is less than the positive pressure of exhalation, and the first one-way valve 22 can be normally closed. Oxygen during the exhalation stage can be normally stored in the air bag 31. And because the air bag wall is not elastic, the air bag 31 will not increase the internal pressure due to the surface tension of the material after inflation, ensuring that the first one-way valve 22 is closed during the entire exhalation stage, greatly improving the sensitivity of the exhalation action detection. During the inhalation stage, the oxygen in the air bag 31 can be fully utilized by relying on the chest negative pressure and the negative pressure of the continuous oxygen generator 200 oxygen flow. At the same time, due to the selection of non-elastic / micro-elastic soft material for the air bag 31, the surface tension brought by the material is very low, which can realize the complete discharge of oxygen in the air bag 31 and ensure the inhalation effect.

[0034] The present application does not limit the flexible material, which can be any flexible material that can be designed to be non-elastic / micro-elastic and meet the relevant standards, such as polyvinyl alcohol, silica gel, etc. In this embodiment, the flexible material is polyethylene material, which can be soft and light, facilitating the inflation and collapse of the air bag 31 and realizing its function.

[0035] Further, in order to avoid damage to the air bag 31 and avoid rupture caused by excessive pressure, in this embodiment, the breathing following oxygen supply structure 100 further comprises a shell 32 sleeved on the air bag 31, and the shell 32 is provided with a hole. The shell 32 protects and limits the air bag 31, prolonging the service life of the air bag 31.

[0036] Further, in this embodiment, the maximum volume of the air bag 31 when inflated is greater than the capacity of the shell 32, ensuring that the air bag wall does not generate tension when the air bag 31 is inflated, ensuring the effectiveness of the structure and improving the service life of the air bag 31.

[0037] The application further provides a breathing following oxygen supply system 1000, which comprises a continuous oxygen generator 200 and the breathing following oxygen supply structure 100 as described above; the oxygen outlet of the continuous oxygen generator 200 is communicated with the oxygen inlet 11. The specific structure of the breathing following oxygen supply structure 100 is referred to the above embodiments. Since the breathing following oxygen supply system 1000 adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here. Further, the capacity of the shell 32 is equivalent to the oxygen volume output by the continuous oxygen generator 200 within one exhalation time, so that the oxygen output by the continuous oxygen generator 200 within one exhalation time is just stored in the air bag 31, and is discharged within one inhalation time, thereby realizing effective storage and full utilization of oxygen.

[0038] The above are only the preferred embodiments of the application, and do not limit the patent scope of the application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like made under the concept of the application, by using the content of the application specification and drawings, are included in the patent protection scope of the application.

Claims

1. A breath-following oxygen supply structure, characterized by, The breathing-following oxygen supply structure comprises: a main pipe, one end of the main pipe forming an oxygen inlet for communicating with a continuous oxygen generator to input oxygen, a flow rate adjusting device being installed in the main pipe; and a first branch pipe and a second branch pipe, one end of the first branch pipe, one end of the second branch pipe and the other end of the main pipe communicating with each other in pairs, wherein the other end of the first branch pipe forms an oxygen outlet for outputting oxygen, a first one-way valve being installed in the first branch pipe, the first one-way valve being configured to be conductive in a direction from the oxygen inlet to the oxygen outlet, the other end of the second branch pipe being communicated with an air bag for buffering oxygen, the air bag being configured to change its volume by movement between bag walls; the flow rate adjusting device is a second one-way valve configured to be conductive in a direction from the oxygen inlet to the oxygen outlet; the second one-way valve is configured to have an opening pressure of 2-7 kPa; the bag walls are inelastic to ensure that the pressure at the end of the air bag is less than the positive pressure generated by exhalation of a user when the air bag is under positive pressure generated by exhalation of the user, the first one-way valve being able to normally close, thereby ensuring that the first one-way valve is closed in the whole stage of exhalation.

2. The breath-locked oxygen supply structure of claim 1, wherein the first one-way valve is a diaphragm valve.

3. The breath-locked oxygen delivery structure of claim 1, wherein, the air bag is made of a flexible material.

4. The breath-locked oxygen supply structure of claim 3, wherein the flexible material is a polyethylene material.

5. The breath-locked oxygen delivery structure of claim 3, wherein, The breathing-following oxygen supply structure further comprises a shell sleeved on the air bag, the shell being provided with a hole.

6. The breath-locked oxygen supply structure of claim 5, wherein The maximum volume of the air bag when inflated is greater than the capacity of the shell.

7. The breath-locked oxygen delivery structure of claim 6, wherein, The capacity of the shell is equivalent to the volume of oxygen output by the continuous oxygen generator in one exhalation time.

8. A breath-following oxygen supply system, characterized by The breathing-following oxygen supply system comprises: a continuous oxygen generator; and the breathing-following oxygen supply structure according to any one of claims 1 to 7; an oxygen outlet of the continuous oxygen generator being communicated with the oxygen inlet.

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