CN217490178U - Water-steam separation device - Google Patents
Water-steam separation device Download PDFInfo
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- CN217490178U CN217490178U CN202221492471.5U CN202221492471U CN217490178U CN 217490178 U CN217490178 U CN 217490178U CN 202221492471 U CN202221492471 U CN 202221492471U CN 217490178 U CN217490178 U CN 217490178U
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Abstract
The utility model discloses a water-vapor separation device, which comprises a hollow shell with an opening at the front end, a waterproof breathable film, a water absorption filter element and an end cover; the rear end of the shell is provided with a gas outlet which is connected with a connector used for connecting a gas inlet of a gas analyzer; the waterproof breathable film is positioned in the shell and is attached to the inner end face of the air outlet; the water absorption filter element is positioned in the shell and internally provided with a through hole; the end cover is sealed at the opening at the front end of the shell and is coaxially connected with a connecting pipe, the front end of the connecting pipe is used for connecting an air inlet pipe, and the rear end of the connecting pipe is inserted into the through hole. This water vapor separation device simple structure, water vapor separation is effectual, can effectively avoid steam to cause the damage in getting into gas analysis appearance, improves gas analysis appearance's life.
Description
Technical Field
The utility model relates to a medical expired gas filtration equipment field especially relates to a water vapor separation device.
Background
In medical practice, a gas analyzer is typically used to perform analytical testing on the gas exhaled by a patient to determine the respiratory condition of the patient. However, since the exhaled gas of a patient usually contains moisture, a moisture separation device is usually required to separate the moisture in order to avoid moisture entering and damaging the gas analyzer. However, the existing water-vapor separation device has the problems of complex structure and high manufacturing cost.
Disclosure of Invention
An object of the utility model is to provide a steam separator, simple structure, steam separation is effectual, can effectively avoid steam to cause the damage in getting into gas analysis appearance, improves gas analysis appearance's life.
To achieve the purpose, the utility model adopts the following technical proposal:
a moisture separation device comprising:
the gas analyzer comprises a hollow shell with an opening at the front end, wherein the rear end of the shell is provided with a gas outlet which is connected with a connector used for connecting a gas inlet of a gas analyzer;
the waterproof breathable film is positioned in the shell and is attached to the inner end face of the air outlet;
the water absorption filter element is positioned in the shell, and a through hole is formed in the water absorption filter element;
and the end cover is sealed at the opening at the front end of the shell and is coaxially connected with a connecting pipe, the front end of the connecting pipe is used for connecting an air inlet pipe, and the rear end of the connecting pipe is inserted into the through hole.
Furthermore, an isolating membrane is arranged between the water absorption filter element and the waterproof breathable membrane; the isolating membrane is provided with a second through hole coaxial with the through hole, and the inner diameter of the second through hole is smaller than or equal to that of the through hole.
Further, the connector with the casing integrated into one piece sets up.
Furthermore, a plurality of clamping grooves are formed in the periphery of the connector, close to one end of the shell, at intervals in the circumferential direction, and a sealing ring is arranged on the periphery of the other end of the connector.
Furthermore, the interior of the shell is cylindrical, and the external dimension of the water absorption filter element is matched with the internal contour of the shell.
Furthermore, the water absorption filter core is a PE filter core, a PET filter core or a PP filter core.
Further, the waterproof breathable film is a PTFE waterproof breathable film.
Furthermore, the isolating membrane is a waterproof plastic film attached to one end face of the water absorption filter element.
The utility model has the advantages that: the water-vapor separation device of the utility model has the advantages that the extracted respiratory gas of a patient enters the through hole of the water absorption filter element through the air inlet pipe and the connecting pipe, and the water vapor in the gas is absorbed by the water absorption filter element, so that the primary water-vapor separation is realized; the gas passes through the water absorption filter element to reach the waterproof breathable film, and the waterproof breathable film is used for carrying out water-vapor separation again. This steam separator simple structure, steam separation effect is better, can effectively avoid steam to cause the damage in getting into gas analysis appearance, improves gas analysis appearance's life.
Drawings
Fig. 1 is a schematic structural diagram of a water-steam separation device provided by the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in figure 1, the water-vapor separation device comprises a hollow shell 1 with an opening at the front end, a waterproof breathable film 3, a water absorption filter element 4 and an end cover 5. Wherein, the rear end of the shell 1 is provided with an air outlet which is connected with a connector 2 used for connecting an air inlet of a gas analyzer; the waterproof breathable film 3 is positioned in the shell 1 and is attached to the inner end face of the air outlet; the water absorption filter element 4 is positioned in the shell 1, and a through hole 41 is formed inside the water absorption filter element; the end cover 5 is sealed at the front end opening of the shell 1 and is coaxially connected with a connecting pipe 6, the front end of the connecting pipe 6 is used for connecting an air inlet pipe 7, and the rear end is inserted in the through hole 41.
In this embodiment, the housing 1 has a cylindrical shape and a cylindrical shape inside, and the water absorbing filter element 4 has an outer dimension matched with the inner contour of the housing 1. Wherein, the shell 1 is a plastic piece, and the water absorption filter core is a PE filter core, a PET filter core or a PP filter core and the like.
In this embodiment, the waterproof breathable film is preferably a PTFE waterproof breathable film, which has good waterproof and breathable properties.
Further, an isolating membrane 8 is arranged between the water absorption filter element 4 and the waterproof breathable membrane 3, so that direct contact between the water absorption filter element 4 and the waterproof breathable membrane 3 is avoided. The isolation diaphragm 8 is provided with a second through hole 81 coaxial with the through hole 41 so as to facilitate the passage of the gas to be measured. Preferably, the inner diameter of the second through hole 81 is smaller than or equal to the inner diameter of the through hole 41.
In this embodiment, the isolation film 8 is a waterproof plastic film attached to one end surface of the water absorption filter element 4.
In the water-vapor separation device, the connector 2 and the shell 1 are integrally formed by injection molding, so that the shell 1 and the connector 2 are connected in an airtight manner. Wherein, a plurality of draw-in grooves 21 have been seted up along the hoop interval to the periphery side that connector 2 is close to casing 1 one end, and other end periphery side is provided with sealing washer 22 to guarantee firm, the sealing connection between connector 2 and the gas analysis appearance interface.
In this embodiment, the air inlet tube 7 is used for extracting the exhaled air of the patient, and may be a breathing nasal tube or a sampling tube.
When the water-vapor separation device is used, the extracted respiratory gas of a patient enters the through hole 41 of the water absorption filter element 4 through the air inlet pipe 7 and the connecting pipe 6, and water vapor in the gas is absorbed by the water absorption filter element 4, so that primary water-vapor separation is realized; the gas passes through the water absorption filter element 4 to reach the waterproof breathable film 3, and the waterproof breathable film 3 is utilized to carry out water-vapor separation once more, so that the water vapor is effectively prevented from entering the gas analyzer to cause damage, and the service life of the gas analyzer is prolonged. The water-vapor separation device has a simple structure and a good water-vapor separation effect.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A water-vapor separator device, comprising:
the gas analyzer is characterized by comprising a hollow shell (1) with an opening at the front end, wherein the rear end of the shell (1) is provided with a gas outlet which is connected with a connector (2) used for connecting a gas inlet of a gas analyzer;
the waterproof breathable film (3) is positioned in the shell (1) and is attached to the inner end face of the air outlet;
the water absorption filter element (4) is positioned in the shell (1) and is internally provided with a through hole (41);
the end cover (5) is sealed at the front end opening of the shell (1) and is coaxially connected with a connecting pipe (6), the front end of the connecting pipe (6) is used for being connected with an air inlet pipe (7), and the rear end of the connecting pipe is inserted into the through hole (41).
2. The water-steam separating device according to claim 1, wherein a separation membrane (8) is arranged between the water absorbing filter element (4) and the waterproof and breathable membrane (3); and the isolating membrane (8) is provided with a second through hole (81) coaxial with the through hole (41), and the inner diameter of the second through hole (81) is smaller than or equal to that of the through hole (41).
3. The water-steam separating device according to claim 1, wherein the connecting head (2) is integrally formed with the housing (1).
4. The water-vapor separation device according to claim 1 or 3, wherein a plurality of clamping grooves (21) are formed in the outer periphery of the connector (2) close to one end of the shell (1) at intervals along the circumferential direction, and a sealing ring (22) is arranged on the outer periphery of the other end of the connector.
5. The water-steam separating device according to claim 1, characterized in that the interior of the housing (1) is cylindrical, and the water-absorbing filter element (4) has an outer dimension adapted to the inner contour of the housing (1).
6. The water-steam separating device according to claim 1, wherein the water-absorbing filter element (4) is a PE filter element, a PET filter element or a PP filter element.
7. The water-gas separation device according to claim 1, wherein the waterproof and breathable membrane (3) is a PTFE waterproof and breathable membrane.
8. The water-steam separating device according to claim 2, wherein the isolating membrane (8) is a waterproof plastic film attached to one end face of the water absorbing filter element (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221492471.5U CN217490178U (en) | 2022-06-15 | 2022-06-15 | Water-steam separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221492471.5U CN217490178U (en) | 2022-06-15 | 2022-06-15 | Water-steam separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217490178U true CN217490178U (en) | 2022-09-27 |
Family
ID=83358952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221492471.5U Active CN217490178U (en) | 2022-06-15 | 2022-06-15 | Water-steam separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217490178U (en) |
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2022
- 2022-06-15 CN CN202221492471.5U patent/CN217490178U/en active Active
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