CN219071657U - Gas circuit module for breathing machine and breathing machine - Google Patents
Gas circuit module for breathing machine and breathing machine Download PDFInfo
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- CN219071657U CN219071657U CN202222759284.5U CN202222759284U CN219071657U CN 219071657 U CN219071657 U CN 219071657U CN 202222759284 U CN202222759284 U CN 202222759284U CN 219071657 U CN219071657 U CN 219071657U
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 46
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims abstract description 120
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000001301 oxygen Substances 0.000 claims abstract description 63
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 62
- 235000013842 nitrous oxide Nutrition 0.000 claims abstract description 60
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of medical equipment, and particularly relates to a gas circuit module for a breathing machine and the breathing machine. In the gas circuit module for the breathing machine, an oxygen inlet port is communicated with an inlet of a first switch valve, an outlet of the first switch valve is communicated with an inlet of a first proportional valve, an outlet of the first proportional valve is communicated with an inlet of a first flow sensor, and an outlet of the first flow sensor is communicated with a first outlet port; the air inlet port is communicated with the inlet of the second switch valve, the laughing gas inlet port is communicated with the inlet of the third switch valve, the outlet of the second switch valve and the outlet of the third switch valve are both communicated with the inlet of the second proportional valve, the outlet of the second proportional valve is communicated with the inlet of the second flow sensor, and the outlet of the second flow sensor is communicated with the second outlet port. In the utility model, the air conveying pipeline and the laughing gas conveying pipeline share a second proportional valve and a second flow sensor, thereby simplifying the structure of the gas circuit module for the breathing machine, reducing the manufacturing cost and improving the compactness of the gas circuit module.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a gas circuit module for a breathing machine and the breathing machine.
Background
A ventilator is a medical device for providing oxygen or a mixed gas suitable for breathing to a patient, and generally has three gas output functions, namely, auxiliary oxygen supply output, general gas output, and cyclic breathing gas output. Accordingly, the ventilator needs to be provided with three gas output ports, namely an auxiliary oxygen supply output port, a general gas output port and a circulating respiratory gas output port.
The three gas outputs of the breathing machine are obtained by mixing one or more of air, oxygen and laughing gas by the breathing machine. Therefore, a ventilator is often required to provide an oxygen delivery line, an air delivery line, and a laughing gas delivery line. In the prior art, the oxygen conveying pipeline, the air conveying pipeline and the laughing gas conveying pipeline are all required to be provided with flow sensors and proportional regulating valves so as to regulate the gas flow of the corresponding pipelines; however, the ventilator in which the flow sensor and the proportional control valve are provided for each branch has problems of high cost, large occupied space, and the like.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the problems of high cost and large occupied space of the existing treatment breathing machine, the air path module for the breathing machine and the breathing machine are provided.
In order to solve the technical problems, in one aspect, an embodiment of the present utility model provides a gas circuit module for a breathing machine, including an oxygen inlet port, a laughing gas inlet port, an air inlet port, a first proportional valve, a second proportional valve, a first switch valve, a second switch valve, a third switch valve, a control board, a first flow sensor, a second flow sensor, a first outlet port and a second outlet port;
the oxygen inlet interface is communicated with the inlet of the first switch valve, the outlet of the first switch valve is communicated with the inlet of the first proportional valve, the outlet of the first proportional valve is communicated with the inlet of the first flow sensor, and the outlet of the first flow sensor is communicated with the first outlet interface;
the air inlet interface is communicated with the inlet of the second switch valve, the laughing gas inlet interface is communicated with the inlet of the third switch valve, the outlet of the second switch valve and the outlet of the third switch valve are both communicated with the inlet of the second proportional valve, the outlet of the second proportional valve is communicated with the inlet of the second flow sensor, and the outlet of the second flow sensor is communicated with the second outlet interface;
the control panel is electrically connected with the first switch valve, the second switch valve, the third switch valve, the first proportional valve, the second proportional valve, the first flow sensor and the second flow sensor.
Optionally, the air circuit module for the breathing machine further comprises an oxygen pressure reducing valve, an air pressure reducing valve and a laughing gas pressure reducing valve; the oxygen inlet port is communicated with an inlet of the first switch valve through the oxygen pressure reducing valve; the air inlet interface is communicated with an inlet of the second switch valve through the oxygen pressure reducing valve; the laughing gas inlet interface is communicated with the inlet of the third switch valve through the laughing gas pressure reducing valve.
Optionally, the gas circuit module for a ventilator further includes a support seat, the oxygen inlet port, the laughing gas inlet port, the air inlet port, the oxygen pressure reducing valve, the air pressure reducing valve, the laughing gas pressure reducing valve, the first proportional valve, the second proportional valve, the first switch valve, the second switch valve, the third switch valve, the control board, the first flow sensor, the second flow sensor, the first outlet port and the second outlet port are all installed on the support seat.
Optionally, the opposite both sides of supporting seat are equipped with first support arm and second support arm respectively, the control panel is installed first support arm with on the second support arm, just the control panel with form the heat dissipation space between the supporting seat.
Optionally, the gas circuit module for a respirator further comprises a support frame installed on the support seat, and the oxygen pressure reducing valve, the air pressure reducing valve and the laughing gas pressure reducing valve are all installed on the support frame.
Optionally, the air circuit module for a breathing machine further comprises a first installation block installed on the supporting seat, and the first switching valve, the first proportional valve, the second switching valve, the third switching valve and the second proportional valve are all installed on the first installation block.
Optionally, the air circuit module for a breathing machine further comprises a second installation block installed on the supporting seat, and the first air outlet interface and the second air outlet interface are both installed on the second installation block.
The utility model further provides a breathing machine, which comprises the air path module for the breathing machine.
In the utility model, the air delivery pipeline and the laughing gas delivery pipeline share one second proportional valve and one second flow sensor (namely, the air delivery pipeline and the laughing gas delivery pipeline share one set of pipeline), and the pipeline where the second flow sensor is positioned is switched between the air delivery pipeline and the laughing gas delivery pipeline by controlling the on-off state of the second switch valve and the third switch valve, so that the structure of the air circuit module for the breathing machine is simplified, the manufacturing cost of the air circuit module for the breathing machine is reduced, and the compactness of the air circuit module for the breathing machine is improved. In addition, the air circuit module for the breathing machine can be suitable for different breathing machines, and the applicability and the universality of the air circuit module are improved. In addition, the control panel can control the on-off of the first switch valve, the second switch valve and the third switch valve, so as to control the on-off of the oxygen conveying pipeline, the air conveying pipeline and the laughing gas conveying pipeline; the control board receives the oxygen flow value measured by the first flow sensor to control the opening of the first proportional valve, so as to control the real-time flow of oxygen in the oxygen conveying pipeline; the control board receives the air or laughing gas flow value measured by the second flow sensor to control the opening of the second proportional valve, so as to control the real-time flow of air in the air conveying pipeline or control the real-time flow of laughing gas in the laughing gas conveying pipeline, so that the air circuit module for the breathing machine has high response speed and high monitoring accuracy.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a gas circuit module for a ventilator according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
11. an oxygen inlet port; 12. an air intake interface; 13. laughing gas inlet port; 14. a first proportional valve; 15. a second proportional valve; 16. a first switching valve; 17. a second switching valve; 18. a third switching valve; 19. a control board; 21. a first flow sensor; 22. a second flow sensor; 23. a first air outlet port; 24. a second air outlet interface; 25. an oxygen pressure reducing valve; 26. an air pressure reducing valve; 27. laughing gas reducing valve; 28. a support base; 281. a first support arm; 282. a second support arm; 29. a support frame; 31. a first mounting block; 32. and a second mounting block.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1, an air circuit module for a breathing machine according to an embodiment of the present utility model includes an oxygen inlet port 11, a laughing gas inlet port 13, an air inlet port 12, a first proportional valve 14, a second proportional valve 15, a first switch valve 16, a second switch valve 17, a third switch valve 18, a control board 19, a first flow sensor 21, a second flow sensor 22, a first outlet port 23, and a second outlet port 24; it will be appreciated that the oxygen inlet port 11 communicates with an external high pressure oxygen source (high pressure oxygen cylinder, etc.), the air inlet port 12 communicates with an external high pressure air source (high pressure air cylinder, air compressor, etc.), and the laughing gas inlet port 13 communicates with an external high pressure laughing gas source (high pressure laughing gas cylinder, etc.).
The oxygen inlet port 11 is communicated with the inlet of the first switch valve 16, the outlet of the first switch valve 16 is communicated with the inlet of the first proportional valve 14, the outlet of the first proportional valve 14 is communicated with the inlet of the first flow sensor 21, and the outlet of the first flow sensor 21 is communicated with the first outlet port 23; it is to be understood that the oxygen inlet 11, the first switching valve 16, the first proportional valve 14, the first flow sensor 21 and the first outlet 23 form an oxygen supply line of an oxygen generator.
The air inlet interface 12 is communicated with the inlet of the second switch valve 17, the laughing gas inlet interface 13 is communicated with the inlet of the third switch valve 18, the outlet of the second switch valve 17 and the outlet of the third switch valve 18 are both communicated with the inlet of the second proportional valve 15, the outlet of the second proportional valve 15 is communicated with the inlet of the second flow sensor 22, and the outlet of the second flow sensor 22 is communicated with the second outlet interface 24; it will be appreciated that the air inlet connection 12, the second switching valve 17, the second proportional valve 15, the second flow sensor 22 and the second outlet connection 24 form an air supply line of an oxygen generator; the laughing gas inlet port 13, the third switch valve 18, the second proportional valve 15, the second flow sensor 22 and the second outlet port 24 form an oxygen delivery pipeline of the oxygen generator; wherein, the air delivery pipeline and the laughing gas delivery pipeline are realized by controlling the on-off of the second switch valve 17 and the third switch valve 18.
The control board 19 is electrically connected to the first switching valve 16, the second switching valve 17, the third switching valve 18, the first proportional valve 14, the second proportional valve 15, the first flow sensor 21, and the second flow sensor 22. It can be appreciated that the control board 19 can control the on-off of the first switch valve 16, the second switch valve 17 and the third switch valve 18, so as to control the on-off of the oxygen delivery pipeline, the air delivery pipeline and the laughing gas delivery pipeline; the control board 19 receives the oxygen flow value measured by the first flow sensor 21 to control the opening of the first proportional valve 14, so as to control the real-time flow of oxygen in the oxygen delivery pipeline; the control board 19 receives the air or laughing gas flow value measured by the second flow sensor 22, so as to control the opening of the second proportional valve 15, and further control the real-time flow of air in the air delivery pipeline or control the real-time flow of laughing gas in the laughing gas delivery pipeline.
In the utility model, the air delivery pipeline and the laughing gas delivery pipeline share one second proportional valve 15 and one second flow sensor 22 (namely, the air delivery pipeline and the laughing gas delivery pipeline share one set of pipelines), and the pipeline where the second flow sensor 22 is positioned is switched between the air delivery pipeline and the laughing gas delivery pipeline by controlling the on-off state of the second switch valve 17 and the third switch valve 18, so that the structure of the air path module for the breathing machine is simplified, the manufacturing cost of the air path module for the breathing machine is reduced, and the compactness of the air path module for the breathing machine is improved. In addition, the air circuit module for the breathing machine can be suitable for different breathing machines, and the applicability and the universality of the air circuit module are improved. In addition, the control board 19 can control the on-off of the first switch valve 16, the second switch valve 17 and the third switch valve 18, so as to control the on-off of the oxygen delivery pipeline, the air delivery pipeline and the laughing gas delivery pipeline; the control board 19 receives the oxygen flow value measured by the first flow sensor to control the opening of the first proportional valve 14, so as to control the real-time flow of oxygen in the oxygen conveying pipeline; the control board 19 receives the air or laughing gas flow value measured by the second flow sensor, so as to control the opening of the second proportional valve 15, and further control the real-time flow of air in the air conveying pipeline, or control the real-time flow of laughing gas in the laughing gas conveying pipeline, so that the air circuit module for the breathing machine has high response speed and high monitoring accuracy.
In one embodiment, as shown in fig. 1, the air circuit module for a breathing machine further includes an oxygen pressure reducing valve 25, an air pressure reducing valve 26, and a laughing gas pressure reducing valve 27; the oxygen inlet port 11 is communicated with the inlet of the first switch valve 16 through the oxygen pressure reducing valve 25; the air inlet port 12 is communicated with the inlet of the second switch valve 17 through the oxygen pressure reducing valve 25; the laughing gas inlet port 13 is communicated with the inlet of the third switch valve 18 through the laughing gas pressure-reducing valve 27. It will be appreciated that the oxygen pressure reducing valve 25 may reduce the pressure of oxygen in the oxygen delivery line, the air pressure reducing valve 26 may reduce the pressure of air in the air delivery line, and the laughing gas pressure reducing valve 27 may reduce the pressure of laughing gas in the laughing gas delivery line, thereby ensuring the safety of the ventilator gas circuit module.
In an embodiment, as shown in fig. 1, the air circuit module for a ventilator further includes a support base 28, and the oxygen inlet port 11, the laughing gas inlet port 13, the air inlet port 12, the oxygen pressure reducing valve 25, the air pressure reducing valve 26, the laughing gas pressure reducing valve 27, the first proportional valve 14, the second proportional valve 15, the first switch valve 16, the second switch valve 17, the third switch valve 18, the control board 19, the first flow sensor 21, the second flow sensor 22, the first air outlet port 23, and the second air outlet port 24 are all mounted on the support base 28. It can be understood that the supporting seat 28 is a bottom plate of the air passage module for a breathing machine, and all parts in the air passage module for a breathing machine are integrally mounted on the supporting seat 28, so that the convenience in dismounting and carrying the air passage module for a breathing machine is improved.
In an embodiment, as shown in fig. 1, a first supporting arm 281 and a second supporting arm 282 are respectively disposed on opposite sides of the supporting seat 28, the control board 19 is mounted on the first supporting arm 281 and the second supporting arm 282, and a heat dissipation space is formed between the control board 19 and the supporting seat 28. It will be appreciated that the first support arm 281 and the second support arm 282 are respectively disposed on the left and right sides of the support base 28, and the first support arm 281 and the second support arm 282 extend upward, so that the first support arm 281 and the second support arm 282 can lift the control board 19 upward, and the heat dissipation space is below the control board 19, thereby facilitating heat dissipation of the control board 19, and prolonging the service life of the control board 19.
In one embodiment, as shown in fig. 1, the air circuit module for a breathing machine further includes a support frame 29 mounted on the support base 28, and the oxygen pressure reducing valve 25, the air pressure reducing valve 26 and the laughing gas pressure reducing valve 27 are all mounted on the support frame 29. It can be appreciated that the supporting frame 29 integrates the oxygen pressure reducing valve 25, the air pressure reducing valve 26 and the laughing gas pressure reducing valve 27 together, so that these three components can be mounted on the supporting seat 28 together through the supporting frame 29, thereby further improving the convenience of dismounting the air path module for the breathing machine.
In one embodiment, as shown in fig. 1, the air circuit module for a ventilator further includes a first mounting block 31 mounted on the support base 28, and the first switching valve 16, the first proportional valve 14, the second switching valve 17, the third switching valve 18, and the second proportional valve 15 are all mounted on the first mounting block 31. It can be appreciated that the first switch valve 16, the first proportional valve 14, the second switch valve 17, the third switch valve 18, and the second proportional valve 15 are all integrated on the first mounting block 31, so that these five components can be mounted on the support base 28 together through the first mounting block 31, thereby further improving the convenience of dismounting the air circuit module for a respirator.
In one embodiment, as shown in fig. 1, the ventilator circuit module further includes a second mounting block 32 mounted on the support base 28, and the first air outlet port 23 and the second air outlet port 24 are both mounted on the second mounting block 32. It may be appreciated that the first air outlet interface 23 and the second air outlet interface 24 are integrated on the second mounting block 32, and the first air outlet interface 23 and the second air outlet interface 24 are mounted on the supporting seat 28 through the second mounting block 32, so that the convenience of dismounting the air circuit module for the ventilator is further improved.
The utility model also provides a breathing machine, which comprises a breathing machine main body and the breathing machine air circuit module. As will be appreciated, the ventilator further comprises a mixing chamber and a gas delivery port, wherein the end of the first outlet port 23 remote from the first flow sensor 21 communicates with a first inlet of the mixing chamber, the end of the second outlet port 24 remote from the second flow sensor 22 communicates with a second inlet of the mixing chamber, and the outlet of the mixing chamber communicates with the gas delivery port; the first interface inputs oxygen into the mixing chamber, the second interface inputs air or laughing gas into the mixing chamber, and the mixing chamber mixes the oxygen and the air or laughing gas and then conveys the mixed gas to the lung of a patient through the gas transmission interface.
The above embodiments of the air circuit module for a ventilator are only examples, and are not intended to limit the present utility model, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The air circuit module for the breathing machine is characterized by comprising an oxygen inlet interface, a laughing gas inlet interface, an air inlet interface, a first proportional valve, a second proportional valve, a first switching valve, a second switching valve, a third switching valve, a control panel, a first flow sensor, a second flow sensor, a first air outlet interface and a second air outlet interface;
the oxygen inlet interface is communicated with the inlet of the first switch valve, the outlet of the first switch valve is communicated with the inlet of the first proportional valve, the outlet of the first proportional valve is communicated with the inlet of the first flow sensor, and the outlet of the first flow sensor is communicated with the first outlet interface;
the air inlet interface is communicated with the inlet of the second switch valve, the laughing gas inlet interface is communicated with the inlet of the third switch valve, the outlet of the second switch valve and the outlet of the third switch valve are both communicated with the inlet of the second proportional valve, the outlet of the second proportional valve is communicated with the inlet of the second flow sensor, and the outlet of the second flow sensor is communicated with the second outlet interface;
the control panel is electrically connected with the first switch valve, the second switch valve, the third switch valve, the first proportional valve, the second proportional valve, the first flow sensor and the second flow sensor.
2. The ventilator circuit module of claim 1, further comprising an oxygen pressure relief valve, an air pressure relief valve, and a laughing gas pressure relief valve; the oxygen inlet port is communicated with an inlet of the first switch valve through the oxygen pressure reducing valve; the air inlet interface is communicated with an inlet of the second switch valve through the oxygen pressure reducing valve; the laughing gas inlet interface is communicated with the inlet of the third switch valve through the laughing gas pressure reducing valve.
3. The ventilator circuit module of claim 2, further comprising a support base, wherein the oxygen inlet port, the laughing gas inlet port, the air inlet port, the oxygen pressure relief valve, the air pressure relief valve, the laughing gas pressure relief valve, the first proportional valve, the second proportional valve, the first switch valve, the second switch valve, the third switch valve, the control board, the first flow sensor, the second flow sensor, the first outlet port, and the second outlet port are all mounted on the support base.
4. A ventilator circuit module according to claim 3, wherein the support base is provided with a first support arm and a second support arm on opposite sides thereof, the control board is mounted on the first support arm and the second support arm, and a heat dissipation space is formed between the control board and the support base.
5. The ventilator circuit module of claim 3, further comprising a support frame mounted on the support base, wherein the oxygen pressure relief valve, the air pressure relief valve, and the laughing gas pressure relief valve are all mounted on the support frame.
6. The ventilator circuit module of claim 3, further comprising a first mounting block mounted on the support base, wherein the first on-off valve, the first proportional valve, the second on-off valve, the third on-off valve, and the second proportional valve are all mounted on the first mounting block.
7. The ventilator circuit module of claim 3, further comprising a second mounting block mounted on the support base, wherein the first and second outlet ports are each mounted on the second mounting block.
8. A ventilator comprising a ventilator circuit module as claimed in any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759284.5U CN219071657U (en) | 2022-10-18 | 2022-10-18 | Gas circuit module for breathing machine and breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759284.5U CN219071657U (en) | 2022-10-18 | 2022-10-18 | Gas circuit module for breathing machine and breathing machine |
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| Publication Number | Publication Date |
|---|---|
| CN219071657U true CN219071657U (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222759284.5U Active CN219071657U (en) | 2022-10-18 | 2022-10-18 | Gas circuit module for breathing machine and breathing machine |
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| Country | Link |
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| CN (1) | CN219071657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117258102A (en) * | 2023-11-22 | 2023-12-22 | 南京舒普思达医疗设备有限公司 | Flowmeter capable of accurately controlling flow and oxygen concentration for anesthesia machine and control method |
-
2022
- 2022-10-18 CN CN202222759284.5U patent/CN219071657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117258102A (en) * | 2023-11-22 | 2023-12-22 | 南京舒普思达医疗设备有限公司 | Flowmeter capable of accurately controlling flow and oxygen concentration for anesthesia machine and control method |
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| GR01 | Patent grant | ||
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Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |
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