CN218187491U

CN218187491U - Oxygen production and respiration integrated machine

Info

Publication number: CN218187491U
Application number: CN202220167911.3U
Authority: CN
Inventors: 张波; 吴明鲜
Original assignee: Shenzhen Yihehui Technology Co ltd
Current assignee: Shenzhen Yihehui Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2023-01-03
Anticipated expiration: 2032-01-21

Abstract

The utility model provides an all-in-one is breathed in system oxygen, the inside of equipment frame is equipped with system oxygen module, respiratory module and oxygen switches the module, switches the module through host system will make oxygen module, respiratory module and oxygen and connects and control. The oxygen switching module comprises an electromagnetic valve and a control circuit, wherein the control circuit is respectively connected with the electromagnetic valve and the main control module, and the electromagnetic valve is controlled through the main control module. The lateral surface of equipment frame is equipped with out oxygen interface and mixes the gas interface, goes out oxygen interface, mixes the gas interface and is connected with nose accessory tube and filter respectively, and the patient can directly send oxygen to the nasal cavity through going out oxygen interface connection nose accessory tube, also can switch the oxygen suppliment route through host system, is connected to respiratory module with the solenoid valve, and oxygen removes to the filter from mixing the oxygen interface this moment, is connected with patient respirator through single tube or double-barrelled breathing circuit. The utility model makes up the defects of the prior art and has good application prospect in clinical medical treatment.

Description

Oxygen production and respiration integrated machine

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to oxygen production breathes all-in-one.

Background

The breathing machine is an effective means capable of manually replacing the autonomous ventilation function, is widely used for respiratory failure caused by various reasons, anesthesia respiratory management during major operations, respiratory support treatment and emergency resuscitation, occupies an important position in the modern medical field, and is vital medical equipment capable of preventing and treating respiratory failure, reducing complications and saving and prolonging the life of a patient. The working principle of the ventilator is that the controller detects a signal of airway obstruction of a patient, air in the airway of the ventilator is properly pressurized, further, airway occlusion of the patient is forcibly opened, continuous ventilation is provided for the patient, and sufficient oxygen can be obtained in the body of the patient. Thereby the oxygenerator is as one kind through filtering a equipment of the nitrogen gas in the natural air acquisition high-purity oxygen, can provide a low cost, swift oxygen route for the oxygen deficiency patient, compares in traditional filling oxygen cylinder, and this machine can be as a safety, and the equipment of low noise brings very big benefit for the patient.

By 1 month 2022, if a patient needs a ventilator with more than 23% oxygen, he must go through an external hospital oxygen tunnel or a large volume oxygen tank. In home treatment, the only oxygen source comes from the filling oxygen cylinder, and the large-volume oxygen cylinder has the risks of large volume, difficult transportation, oxygen leakage, fire explosion and the like if the oxygen cylinder is not operated properly. Therefore, the lack of an oxygen source causes great inconvenience to the respiratory disorder patient. Certainly, the patient can also purchase oxygenerator and breathing machine respectively to carry out treatment, but the oxygenerator in the market is difficult to carry out the unimpeded connection with the breathing machine because of the restriction of flow pressure, moreover, because lack of empty oxygen mixing mechanism, leads to the oxygen concentration in the gaseous mixture of breathing unstable, can bring very big discomfort for the patient. In addition, a simple oxygen generator does not have the ability to assist patients in spontaneous breathing except for oxygen supply.

In summary, the related ventilator does not have the capability of generating pure oxygen, and the ventilator cannot be applied when the oxygen in the hospital is in short supply or the patient has no safe and reliable oxygen source at home. The oxygen generator serving as a device for generating oxygen can only be used for mild patients with spontaneous breathing capacity, and when the patients suffer from respiratory disorder, the oxygen generator cannot provide help for the patients.

Therefore, how to solve the defects of the related technologies becomes a subject to be researched and solved by the integrated machine for oxygen generation and respiration.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides an oxygen production and respiration integrated machine.

The purpose of the utility model is realized through the following technical scheme: an oxygen generation and respiration integrated machine comprises an equipment rack, a power supply module and a main control module, wherein the power supply module is connected with the main control module, the equipment rack comprises a front shell, a rear shell and a bottom shell, an oxygen generation module, a respiration module and an oxygen switching module are arranged in the equipment rack, and the oxygen generation module, the respiration module and the oxygen switching module are all connected with the main control module; the oxygen switching module comprises an electromagnetic valve and a control circuit, the electromagnetic valve is connected with the control circuit, and the control circuit is connected with the main control module; an oxygen outlet and a gas mixing interface are arranged on the outer side of the equipment rack, the oxygen outlet is connected with the oxygen generation module, and the gas mixing interface is connected with the breathing module; the oxygen outlet interface and the gas mixing interface are respectively connected with a snorkel and a filter, the patient directly sends oxygen to the nose of the patient through the snorkel, and the filter is connected with a breathing mask of the patient through a single tube or a double tube breathing loop.

Specifically, the oxygen generation module comprises a compressor, the compressor is located on the upper surface of the bottom shell, the compressor is connected with a molecular sieve tower, the molecular sieve tower is connected with an oxygen tank, the oxygen tank is connected with a pressure stabilizing valve, the pressure stabilizing valve is connected with a first one-way valve, the first one-way valve is connected with an oxygen flowmeter, and the oxygen flowmeter is connected with the electromagnetic valve.

Specifically, the molecular sieve tower is provided with a plurality of molecular sieves, and the molecular sieves are filled in the molecular sieve towers and are rich in lithium-based LiX or sodium-based NaX.

Specifically, the electromagnetic valve is a two-position three-way valve, and the two-position three-way valve is provided with a first output port and a second output port; the oxygen is connected with the input end of the two-position three-way valve through the oxygen flow meter, and the oxygen outlet interface is connected with the first output port; the second output port is connected with the breathing module.

Specifically, the breathing module is equipped with the oxygen storage bag, the oxygen storage bag is connected with the gas mixing chamber, be equipped with the second check valve in the gas mixing chamber, filtered air gets into the gas mixing chamber through this second check valve, the oxygen storage bag with the gas mixing chamber is connected, mixes in the gas mixing chamber through the air of second check valve and the oxygen through the oxygen storage bag, the oxygen storage bag with the second delivery outlet of two-position three-way valve is connected, the gas mixing chamber is connected the gas mixing interface.

Specifically, the two-position three-way valve controls oxygen to be output from the first output port or the second output port through the main control module.

Specifically, a pressure relief valve is further arranged on the top surface of the gas mixing cavity and used for discharging excessive oxygen in the gas mixing cavity.

Specifically, the oxygen storage bag is made of medical silica gel or butyronitrile materials, can automatically expand when being injected by gas, and can compress the gas to be discharged by utilizing the elasticity of the oxygen storage bag after gas supply is stopped.

Specifically, breathing module still is equipped with fan cavity, turbofan, third check valve and flow sensor, the turbofan is located in the fan cavity, mix the gas interface and pass through flow sensor with the turbofan is connected, the fan cavity passes through the third check valve with mix the gas chamber and connect.

Specifically, the turbofan includes brushless motor, impeller and connecting circuit, brushless motor with the impeller is connected, connecting circuit and host system are connected, and through flow sensor's feedback, host system adjusts the rotational speed of turbofan in order to produce different pressure and flow level according to patient's breathing state developments.

Compared with the prior art, the utility model at least has the following advantages and beneficial effects:

the utility model provides an all-in-one is breathed in system oxygen, the inside of equipment frame is equipped with system oxygen module, respiratory module and oxygen switching module, switches the module connection through host system module with system oxygen module, respiratory module and oxygen and controls. The oxygen switching module comprises an electromagnetic valve and a control circuit, wherein the control circuit is respectively connected with the electromagnetic valve and the main control module, and the electromagnetic valve is controlled by the main control module. The lateral surface of equipment frame is equipped with out oxygen interface and mixes the gas interface, goes out oxygen interface, mixes the gas interface and is connected with nose accessory tube and filter respectively, and the patient can directly send oxygen to the nasal cavity through going out oxygen interface connection nose accessory tube, also can switch the oxygen suppliment route through host system, is connected to respiratory module with the solenoid valve, and oxygen removes to the filter from mixing the oxygen interface this moment, is connected with patient respirator through single tube or double-barrelled breathing circuit. The oxygen generation module may generate pure oxygen and the breathing module may deliver assisted breathing to a patient without spontaneous breathing capability. The utility model discloses compensate prior art's not enough, have good use prospect in clinical medical field.

Drawings

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

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a view of the internal structure of the equipment rack;

FIG. 4 is a schematic view of the connection of the oxygen storage bag;

FIG. 5 is a schematic structural view of a gas mixing chamber;

the reference signs are:

100 is an equipment frame, 110 is a front shell, 111 is an oxygen flow meter, 112 is an oxygen outlet interface, 114 is a gas mixing interface, 115 is an exhalation valve, 116 is a display module, 117 is a key module, 118 is an indicator light module, 120 is a rear shell, 124 is a filter, 130 is a bottom shell, 131 is a shock absorption device, 132 is a roller component, 150 is a main control module, 201 is a compressor, 202 is a molecular sieve tower, 203 is an oxygen storage tank, 204 is a pressure stabilizing valve, 206 is a silencer, 301 is an oxygen storage bag, 310 is a gas mixing cavity, 320 is a second one-way valve, 330 is a pressure release valve, 401 is a fan cavity, 403 is a third one-way valve, 404 is a flow sensor, 500 is a two-position three-way valve, and 510 is a two-position five-way electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an oxygen production breathes all-in-one, refer to fig. 1-5, including equipment frame 100, power module and host system 150, supply power through host system 150. Equipment rack 100 includes preceding shell 110, backshell 120 and drain pan 130, is to surround the form and lives the structure parcel of inside, and equipment rack 100's inside is equipped with system oxygen module, respiratory module and oxygen and switches the module, and system oxygen module, respiratory module and oxygen switch the module and carry out operation control, simple structure through connecting main control module 150. The oxygen switching module comprises an electromagnetic valve and a control circuit, the electromagnetic valve is a two-position three-way valve 500, and the electronic valve is electrically connected with the main control module 150 through the control circuit and is used for controlling the output path of oxygen. The outer side of the equipment rack 100 is provided with an oxygen outlet 112 and a gas mixing port 114, the oxygen outlet 112 and the gas mixing port 114 are respectively connected with a nasal breathing tube and a filter 124, and the oxygen outlet 112 is connected with an oxygen generation module, so that a patient can utilize the nasal breathing tube to convey oxygen to the nasal cavity. The air mixing interface 114 is connected with a breathing module, and the filter 124 adopts a single-tube or double-tube breathing circuit to connect the breathing mask of the patient, so that the patient without the spontaneous breathing ability can be assisted to breathe.

In this embodiment, the oxygen generation module includes compressor 201, and compressor 201 is located the upper surface of the drain pan 130 of equipment rack 100, and specifically, compressor 201 passes through damping device 131, and the shock attenuation cushion is placed on drain pan 130, can effectively reduce the vibration and the noise of compressor 201 like this, and damping device 131 can be damping spring. The bottom surface of the bottom case 130 is further provided with a roller assembly 132 through which the movement of the equipment rack 100 is facilitated. The compressor 201 is connected to a molecular sieve column 202, and the molecular sieve column 202 is filled with a molecular sieve rich in lithium-based LiX or sodium-based NaX. Through the principle of pressure swing adsorption, air is compressed by a compressor 201, after high-pressure gas passes through a molecular sieve tower 202, nitrogen in the air is adsorbed by a molecular sieve, oxygen is released and enters an oxygen tank 203, and the oxygen flows through an oxygen flow meter 111 through a pressure stabilizing valve 204 and is released through an electromagnetic valve. The molecular sieve tower 202 is preferably two barrel-shaped aluminum alloy barrels, which can be provided with upper and lower covers, and a silencer 206 can be arranged above the oxygen tank 203 for silencing. The connection may be by a two-position, five-way solenoid valve 510, and the open and closed state of the compressed air to the molecular sieve column 202 is controlled by an external two-position, four or five-way solenoid valve 510 during each duty cycle, for example, when one of the aluminum alloy barrels (molecular sieve column 202) is being vented, the other aluminum alloy barrel is in a waste gas removal mode, and each duty cycle is about 3-5 seconds. The exhaust gas generated from the molecular sieve column 202 is discharged to the inside of the casing of the compressor 201 through the silencer 206, and is finally discharged to the atmosphere. High-purity oxygen (at least more than 87%) generated by the molecular sieve tower 202 enters an oxygen tank 203, then the high-pressure gas (about 200 Kpa) in the oxygen tank 203 is reduced to 30-50 Kpa through a pressure stabilizing valve 204, and then the high-purity oxygen passes through a first one-way valve, a flow sensor 404, an oxygen flow meter 111 and a two-position three-way valve 500 in sequence and is connected with a main control module 150 through a connecting circuit to control the high-purity oxygen.

The solenoid valve is two-position three-way valve 500, two-position three-way valve 500 is equipped with first delivery outlet and second delivery outlet. Oxygen passes through oxygen flow meter 111 with the input of two-position three-way valve 500 is connected, goes out oxygen interface 112 and is connected with first delivery outlet, carries the oxygen of system oxygen module to the disease nasal cavity in through the snout pipe. The breathing module is provided with an oxygen storage bag 301, preferably the oxygen storage bag 301 made of medical silica gel or nitrile material, and the oxygen storage bag 301 can automatically expand when gas is injected, and can compress the gas to be discharged by utilizing the elasticity of the breathing module after the gas supply is stopped. The breathing module is equipped with oxygen storage bag 301, and oxygen storage bag 301 is connected with air mixing chamber 310, is equipped with second check valve 320 in the air mixing chamber 310, and through second check valve 320 with oxygen storage bag 301 and air mixing chamber 310 intercommunication, guarantee that gaseous can not flow back. The oxygen storage bag 301 is connected with a second output port of the two-position three-way valve 500, the gas mixing cavity 310 is connected with the gas mixing interface 114, and the gas mixing interface 114 is connected with the filter 124 and the breathing pipeline to enter the body of the patient.

The breathing module is also provided with a fan cavity 401, the fan cavity 401 and the gas mixing cavity 310 use the same outer cover, a partition board is arranged inside the same outer cover, and the partition board is provided with a third one-way valve 403 and is communicated with the gas mixing cavity 310 through the third one-way valve 403. The air mixing device is also provided with a turbine fan and a flow sensor 404, turbine air is positioned in the fan cavity 401, and the air mixing interface 114 is connected with the turbine fan through the flow sensor 404. The turbofan includes a brushless motor, and impeller(s) and connecting circuit constitute, and brushless motor is connected with the impeller, and when the patient breathed, gaseous through flow sensor 404, through flow sensor 404's feedback, host system 150 can dynamic adjustment turbofan's rotational speed according to patient's breathing state to produce different pressure and flow level. The breathing can be better assisted. Oxygen through oxygen storage bag 301 finally can enter into in the chamber 310 that mixes, be equipped with second check valve 320 in the chamber 310 that mixes, be used for guaranteeing that can not flow back in the chamber 310 that mixes through filterable air, the top surface that mixes the chamber 310 still is equipped with a relief valve 330, be used for controlling the atmospheric pressure in the chamber 310 that mixes, can also guarantee that excessive oxygen can discharge the chamber 310 that mixes, and simultaneously, the chamber 310 that mixes still is equipped with third check valve 403, be used for connecting fan cavity 401, through the mixed empty oxygen mist through third check valve 403 entering fan cavity 401. In this embodiment, the outer side of the equipment rack 100 is further provided with an exhalation valve 115, which is connected to the turbo fan through a connecting pipe to ensure that the exhalation valve 115 is closed in the inhalation state and the exhalation valve 115 is opened in the exhalation state. The patient's exhaled gases are exhausted through a positive pressure valve (PEEP) at the end of exhalation valve 115. The control pipe of the exhalation valve 115 is connected to the turbo fan, and when the turbo fan is operated, the exhalation valve 115 is closed, and otherwise, the exhalation valve is opened.

In this embodiment, a display module 116, a key module 117, and an indicator module 118 are further disposed on an outer side surface of the equipment rack 100, and are electrically connected to the main control module 150, and the display module 116 is a liquid crystal display for displaying a current working mode (e.g., an oxygen generation mode and a breathing mode). The key module 117 is provided with a plurality of keys, at least including a mode switching key, which can be used to control the flow direction of oxygen, for example: when the user presses the oxygen generator mode, the two-position three-way valve 500 outputs the oxygen generated by the molecular sieve column 202 to the oxygen outlet 112 outside the equipment rack 100. The breathing pattern is mainly Bipap (bi-level positive airway pressure), but not limited to Bipap, pressure control (PSV), flow control (VSV), and combined pressure and flow control (PRVC) may be used. The indicator light module 118 may display a display that helps the patient or medical personnel better observe the operating state of the device, such as: the indicator light is on for a long time in the breathing mode, and the indicator light flickers in the oxygen generation mode, and even when the breathing frequency of the patient exceeds or is lower than a set threshold value, an alarm can be automatically sent out and flickers.

The utility model discloses a theory of operation is:

natural air enters a compressor 201 through primary and secondary filtration, gas enters a molecular sieve tower 202 after being compressed, the molecular sieve tower 202 is filled with a molecular sieve rich in lithium-based LiX or sodium-based NaX, after high-pressure gas passes through the molecular sieve tower 202, nitrogen in the air is adsorbed by the molecular sieve, oxygen is released and enters an oxygen storage tank, and the oxygen is output to a flow sensor 404 through a pressure stabilizing valve 204 and a first one-way valve and then passes through an oxygen flowmeter 111. In the oxygen production mode, oxygen passing through the oxygen flow meter 111 enters the input end of the two-position three-way valve 500, then is connected with the oxygen outlet port 112 through the first output port, the oxygen outlet port 112 is connected with a nasal breathing tube, and finally the oxygen enters the nasal cavity of a patient through the nasal breathing tube. In the breathing mode, oxygen enters the oxygen storage bag 301 through the second output port of the two-position three-way valve 500, is mixed with the filtered natural air through the air mixing cavity 310, is discharged through the air mixing port 114 after passing through the turbo fan, and is used for breathing of a patient by being connected with a breathing mask. The oxygen generation module and the breathing module are arranged in the same shell. The device can realize independent oxygen inhalation, is used as an oxygen generator, and can also be used as a breathing machine to realize auxiliary breathing for patients. Oxygen generated by the oxygen generator controls the two-position three-way valve 500 through the external key module 117 or the button, so that pure oxygen can be switched between the oxygen outlet 112 and the input port of the oxygen storage bag 301 of the respirator. In a breathing mode, oxygen is firstly stored in the oxygen storage bag 301, the air is mixed with the air in the air mixing cavity by utilizing the automatic expansion mechanism of the air storage bag 301, the air input into the air mixing cavity 310 is automatically input into the fan cavity 401 through the third one-way valve 403, the mixed air enters the turbo fan, and the rotating speed of the turbo fan is controlled through the external pressure and the feedback signal of the flow sensor 404, so that the output of pressure and flow at different levels is realized. Makes up the defects of the prior pure respirator and the pure oxygen generator, and has good application prospect in clinical medical treatment.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes, modifications, substitutions, combinations, and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention should be considered as equivalent replacement modes within the technical scope of the present invention.

Claims

1. The utility model provides an oxygen production breathes all-in-one which characterized in that: the device comprises an equipment rack, a power supply module and a main control module, wherein the power supply module is connected with the main control module, the equipment rack comprises a front shell, a rear shell and a bottom shell, an oxygen generation module, a breathing module and an oxygen switching module are arranged in the equipment rack, and the oxygen generation module, the breathing module and the oxygen switching module are all connected with the main control module; the oxygen switching module comprises an electromagnetic valve and a control circuit, the electromagnetic valve is connected with the control circuit, and the control circuit is connected with the main control module; an oxygen outlet and a gas mixing interface are arranged on the outer side of the equipment rack, the oxygen outlet is connected with the oxygen generation module, and the gas mixing interface is connected with the breathing module; the oxygen outlet interface and the gas mixing interface are respectively connected with a snorkel and a filter, the patient directly sends oxygen to the nose of the patient through the snorkel, and the filter is connected with a breathing mask of the patient through a single tube or a double tube breathing loop.

2. The integrated machine of claim 1, wherein: the oxygen generation module comprises a compressor, the compressor is located on the upper surface of the bottom shell, the compressor is connected with a molecular sieve tower, the molecular sieve tower is connected with an oxygen tank, the oxygen tank is connected with a pressure stabilizing valve, the pressure stabilizing valve is connected with a first one-way valve, the first one-way valve is connected with an oxygen flow meter, and the oxygen flow meter is connected with the electromagnetic valve.

3. The integrated machine of claim 2, wherein: the molecular sieve tower has a plurality of molecular sieves, and the molecular sieves are filled with molecular sieves rich in lithium-based LiX or sodium-based NaX.

4. The integrated machine of claim 2, wherein: the electromagnetic valve is a two-position three-way valve which is provided with a first output port and a second output port; the oxygen is connected with the input end of the two-position three-way valve through the oxygen flow meter, and the output oxygen interface is connected with the first output port; the second output port is connected with the breathing module.

5. The integrated machine of claim 4, wherein: the breathing module is provided with an oxygen storage bag, the oxygen storage bag is connected with an air mixing cavity, a second one-way valve is arranged in the air mixing cavity, filtered air enters the air mixing cavity through the second one-way valve, the oxygen storage bag is connected with the air mixing cavity, air passing through the second one-way valve and oxygen passing through the oxygen storage bag are mixed in the air mixing cavity, the oxygen storage bag is connected with a second output port of the two-position three-way valve, and the air mixing cavity is connected with the air mixing port.

6. The integrated machine of claim 4, wherein: and the two-position three-way valve controls oxygen to be output from the first output port or the second output port through the main control module.

7. The integrated machine of claim 5, wherein: and the top surface of the gas mixing cavity is also provided with a pressure release valve for discharging excessive oxygen in the gas mixing cavity.

8. The integrated machine of claim 5, wherein: the oxygen storage bag is made of medical silica gel or butyronitrile materials, can automatically expand when being injected by gas, and can compress the gas to be discharged by utilizing self elasticity after stopping gas supply.

9. The integrated machine of claim 5, wherein: the breathing module is also provided with a fan cavity, a turbine fan, a third one-way valve and a flow sensor, wherein the turbine fan is positioned in the fan cavity, the gas mixing port passes through the flow sensor and the turbine fan, and the fan cavity passes through the third one-way valve and the gas mixing cavity.

10. The integrated machine of claim 9, wherein: the turbofan comprises a brushless motor, an impeller and a connecting circuit, the brushless motor is connected with the impeller, the connecting circuit is connected with the main control module, and the main control module dynamically adjusts the rotating speed of the turbofan according to the breathing state of a patient to generate different pressure and flow levels through the feedback of the flow sensor.