WO2022134865A1

WO2022134865A1 - Integrated apparatus for implementing flow rate control of oxygen

Info

Publication number: WO2022134865A1
Application number: PCT/CN2021/127911
Authority: WO
Inventors: 周成广; 盖坤成; 孙明仪; 李爽
Original assignee: 沈阳迈思医疗科技有限公司
Priority date: 2020-12-24
Filing date: 2021-11-01
Publication date: 2022-06-30
Also published as: CN112527022A

Abstract

An integrated apparatus for implementing flow rate control of oxygen, which is applicable to a control system for delivering gas and supplying a gas flow in the field of respiratory therapy. The integrated apparatus at least comprises a metal block body (8); the metal block body (8) is connected to one side end of a gas inlet quick connector (4), to one side end of a gas outlet quick connector (5), to one side end of a pressure sensor quick connector (6), to one side end of an electromagnetic valve block (2), to one side end of a proportional valve block (3), and to one side end of a single-pass nylon stud (12); the gas inlet quick connector (4) extends into the inner portion of the metal block body (8) and is in communication with a gas inlet end of the proportional valve block (3) extending into the inner portion of the metal block body (8); and a gas outlet end of the proportional valve block (3) extending into the inner portion of the metal block body (8) is in communication with a gas inlet end of the electromagnetic valve block (2) extending into the inner portion of the metal block body (8). The integrated apparatus has a simple structure, is convenient to use, and has extremely high commercial value.

Description

An integrated device for oxygen flow control

technical field

The invention belongs to the technical field of medical devices, in particular to an instrument for respiratory therapy, in particular to an integrated device for oxygen flow control.

Background technique

At present, the oxygen flow control integrated devices produced on the market are divided into: plate type integrated valve and tubular valve. The installation method of tubular valve and pressure-stabilizing valve body is bulk direct connection. Connection type, the connection angle is 90°, both of which are to realize throttling control of gas flow.

However, both of them have defects in design. The tubular structure is inconvenient to assemble and operate, the structure is complicated and the installation space is wasted. When oxygen passes through the vertical air passage, resistance will be generated, and the air passage will not be smooth, so the integrated valve body will be noisy when working, and it does not have the function of detecting the inlet pressure of the oxygen inlet.

However, at present, there is no technical solution that can solve the above technical problems, and specifically, there is no integrated device for oxygen flow control.

SUMMARY OF THE INVENTION

In view of the technical defects existing in the prior art, the purpose of the present invention is to provide an integrated device for realizing flow control of oxygen, which is suitable for the control system of gas delivery and supply air flow in the field of respiratory therapy, at least including:

A metal block, which is respectively connected to one side of the air inlet quick-plug connector, one side of the air outlet quick-plug connector, one side of the pressure sensor quick-plug connector, one side of the solenoid valve block, and the proportional valve. one side end of the block and one side end of the single-way nylon stud, wherein,

The part of the air inlet quick-plug joint extending into the inner part of the metal block is communicated with the air inlet end of the proportional valve block extending into the inner part of the metal block;

The air outlet end of the proportional valve block protruding into the inner part of the metal block is communicated with the air inlet end of the electromagnetic valve block protruding into the inner part of the metal block body.

Preferably, a silicone tube is sleeved into the pressure sensor and pressed into the push-in connector of the pressure sensor to form a tight connection.

Preferably, an M3 nylon screw lock forms a fastened connection on the single-way nylon stud.

Preferably, the air inlet quick-plug connector extends into the air passage with an inclination of 122° in the inner part of the metal block, and communicates with the air inlet end of the proportional valve block.

Preferably, the air outlet end of the proportional valve block protruding into the inner part of the metal block body is designed as an air passage inclined at 111°, and communicates with the air inlet end of the solenoid valve block.

Preferably, the solenoid valve block is mounted on the metal block in the form of a tubular valve.

Preferably, a steel ball is arranged in the first process hole of the metal block to form a sealing structure.

Preferably, a plug is screwed into the second process hole of the metal block to form the sealing structure.

The purpose of the present invention is to disclose a device that integrates the tubular valve and the pressure-stabilizing valve, and optimizes the direction of the air passage, increases the pressure detection function of the inlet air source, and can obtain oxygen under the target pressure through the device. It has the characteristics of integrated pipe valve, easy installation, space saving and noise reduction. When processing the air passage through the metal block, the inclined air passage is adopted to reduce the air passage resistance and reduce the noise generated when the valve body is working, and Realizing the advantages of saving space of the integrated tubular valve, the invention has a simple structure, is convenient to use, and has extremely high commercial value.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 shows a schematic diagram of module connection of an integrated device for realizing flow control of oxygen according to a specific embodiment of the present invention.

Detailed ways

In order to better clearly represent the technical solutions of the present invention, the present invention will be further described below with reference to the accompanying drawings.

FIG. 1 shows a schematic diagram of the connection of modules of an integrated device for realizing flow control of oxygen according to a specific embodiment of the present invention. The invention processes the air passage of the metal block into an inclined type, optimizes the noise generated by the pressure of the gas path, places an oxygen pressure detection point in the metal block, and monitors the oxygen pressure in real time. The valve body is integrated, so as to realize the integrated device, reduce the installation space, realize the characteristics of simple operation and low noise. An integrated device for realizing flow control of oxygen, which is used in the field of respiratory therapy

The integrated device for realizing flow control of oxygen disclosed in the present invention is suitable for a system for gas delivery and supply, and further, it is suitable for high-flow oxygen therapy or oxygen intake assembly of a ventilator, specifically, including: a pressure sensor assembly (1) , solenoid valve block (2), proportional valve block (3), air inlet quick connector (4), air outlet quick connector (5), pressure sensor quick connector (6), steel ball (7), metal block ( 8), screw plug (9), silicone tube (10), M3 nylon screw (11), single-way nylon stud (12), the above components are assembled with screws after assembly, so that the tubular valve can be integrated and installed in the structure Simple. When the air passage is processed through the metal block (8), the inclination method is adopted to reduce the resistance of the air passage and reduce the noise generated when the valve body works.

As shown in FIG. 1, an integrated device for realizing flow control of oxygen, which is suitable for a control system for gas delivery and supply air flow in the field of respiratory therapy, at least comprises: a metal block (8), the metal block (8) Connect one side of the air inlet quick-plug connector (4), one side of the air outlet quick-plug connector (5), one side of the pressure sensor quick-plug connector (6), and one side of the solenoid valve block (2), respectively. , one side end of the proportional valve block (3) and one side end of the single-way nylon stud (12), wherein the air inlet quick-plug connector (4) extends into the inner part of the metal block and the proportional valve The inlet end of the valve block (3) protruding into the inner part of the metal block is communicated with the air outlet end of the proportional valve block (3) protruding into the inner part of the metal block and the solenoid valve block (2) The air inlet ends extending into the inner part of the metal block communicate with each other. In such an embodiment, the integrated device screw the air inlet quick-plug connector (4), the air outlet quick-plug connector (5), and the pressure sensor quick-plug connector (6) into the corresponding positions of the metal block (8), respectively, The solenoid valve block (2) and the proportional valve block (3) are screwed into the corresponding positions of the metal block body (8), and the single-way nylon studs (12) are screwed into the corresponding positions.

Further, the integrated device according to claim 1, characterized in that, the air inlet quick-plug connector (4) protruding into the inner part of the metal block is designed as an air passage inclined at 122°, and is connected with the air passage. The intake end of the proportional valve block (3) is communicated. The air outlet end of the proportional valve block (3) extending into the inner part of the metal block body is designed as an air passage inclined at 111°, and communicates with the air inlet end of the solenoid valve block (2). Those skilled in the art understand that setting the inclination of the air passage to 122° and 111° can effectively reduce the noise generated during intake, and make the gas flow rapidly to reduce resistance.

Further, a silicone tube (10) is sleeved into the pressure sensor (1) and pressed into the pressure sensor quick-plug connector (6) to form a tight connection, and an M3 nylon screw (11) is locked on the single-way nylon stud (12) To form a tight connection, insert the silicone tube (10) into the pressure sensor (1) in the pressure sensor assembly, and use the M3 nylon screw (11) to press and fix it. The pressure sensor is firmly sealed, and the oxygen inlet pressure is detected to achieve effective real-time pressure monitoring.

Further, the solenoid valve block (2) is installed on the metal block body (8) in the form of a tubular valve, and the tubular valve is integrated by processing the tubular valve structure on the metal block (8). module.

Further, a steel ball (7) is arranged in the first process hole (71) of the metal block (8) to form a sealing structure, and a plug (9) is screwed into the second process hole of the metal block (8) (91) In order to form a sealing structure, the first process hole is sealed by inserting steel balls (7), and the screw plug (9) is screwed into the corresponding position of the second process hole of the metal block (8) for sealing, so as to ensure that the metal block is sealed. Airway tightness.

Further, the pressure sensor assembly (1), the solenoid valve block (2), the proportional valve block (3), the air inlet quick-insertion joint (4), the air outlet quick-insertion joint (5) and the pressure sensor quick-insertion joint of the present invention are combined. (6), the steel ball (7), the metal block (8), the screw plug (9), the silicone tube (10), the M3 nylon screw (11), and the single-way nylon stud (12) can be used for gas pressure after the combined installation Detect, stabilize the air pressure, and realize the throttling control of the flow by controlling the solenoid valve.

Further, the inside of the air passage of the metal block (8) is smooth and free of burrs, and the aperture size has no deviation. The special air passage form has a buffering effect on the airflow without increasing resistance. In order to avoid the oxidation and corrosion phenomenon of oxygen, the tight inlay of the screw plug (9) and the steel ball (7) ensures that the oxygen will not leak in the gas path, which is simple and practical.

Further, the silicone tube (10) is sleeved on the pressure sensor and pressed into the pressure sensor quick-plug connector (6) for use, the M3 nylon screw (11) is locked on the single-way nylon stud (12), and assembled by extrusion, It is simple and practical to ensure the airtightness and detect the gas inflow pressure.

Further, through the pressure sensor assembly (1), the solenoid valve block (2), the proportional valve block (3), the air inlet quick-insertion joint (4), and the air outlet quick-insertion It can realize the throttling control of the flow by means of an electronically controlled solenoid valve.

In the description provided herein, numerous specific details are set forth. It will be understood, however, that embodiments of the invention may be practiced without these specific details. In some embodiments, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it is to be understood that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together into a single embodiment, figure, or its description. This disclosure, however, should not be construed as reflecting an intention that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

Furthermore, those skilled in the art understand that although some of the embodiments described herein include certain features, but not others, included in other embodiments, that combinations of features of the different embodiments are intended to be within the scope of the invention And form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-described embodiments illustrate rather than limit the invention, and that alternative embodiments may be devised by those skilled in the art without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The use of the words first, second, and third, etc. do not denote any order. These words can be interpreted as names.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above-mentioned specific embodiments, and those skilled in the art can make various variations or modifications within the scope of the claims, which do not affect the essential content of the present invention.

Claims

An integrated device for realizing flow control of oxygen, which is suitable for a control system for gas delivery and supply air flow in the field of respiratory therapy, characterized in that it at least includes:

A metal block (8), the metal block (8) is respectively connected to one side end of the air inlet quick-plug connector (4), one side end of the air outlet quick-plug connector (5), and the pressure sensor quick-plug connector (6) one side end of the solenoid valve block (2), one side end of the proportional valve block (3) and one side end of the single-way nylon stud (12), wherein,

The air inlet quick-plug connector (4) protruding into the inner part of the metal block is communicated with the air inlet end of the proportional valve block (3) protruding into the inner part of the metal block;

The air outlet end of the proportional valve block (3) extending into the inner part of the metal block is communicated with the air inlet end of the electromagnetic valve block (2) extending into the inner part of the metal block.
The integrated device according to claim 1, characterized in that, a silicone tube (10) is sleeved into the pressure sensor (1) and pressed into the pressure sensor quick-plug connector (6) to form a tight connection.
The integrated device according to claim 1, characterized in that, an M3 nylon screw (11) is locked on the single-way nylon stud (12) to form a fastened connection.
The integrated device according to claim 1, characterized in that, the air inlet quick connector (4) protruding into the inner part of the metal block is designed as an air passage inclined at 122°, and is connected with the proportional valve block. (3) The intake end is connected.
The integrated device according to claim 1, characterized in that, the gas outlet end of the proportional valve block (3) protruding into the inner part of the metal block is designed as an air passage inclined at 111°, and is connected with the solenoid valve The air inlet ends of the block (2) are communicated.
The integrated device according to claim 1, characterized in that, the solenoid valve block (2) is mounted on the metal block body (8) in the form of a tubular valve.
The integrated device according to claim 1, characterized in that, a steel ball (7) is arranged in the first process hole (71) of the metal block (8) to form a sealing structure.
The integrated device according to claim 1, wherein a plug (9) is screwed into the second process hole (91) of the metal block (8) to form a sealing structure.