CN217484330U - Integrated double-channel end-expiration carbon dioxide sensor - Google Patents
Integrated double-channel end-expiration carbon dioxide sensor Download PDFInfo
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- CN217484330U CN217484330U CN202123345407.2U CN202123345407U CN217484330U CN 217484330 U CN217484330 U CN 217484330U CN 202123345407 U CN202123345407 U CN 202123345407U CN 217484330 U CN217484330 U CN 217484330U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model belongs to the technical field of exhale last carbon dioxide sensor, especially, for an integration binary channels exhales last carbon dioxide sensor, including main body cover, main body cover one side is provided with the connector, and main body cover one side is provided with gas inlet, and gas inlet opposite side is provided with gas outlet, and gas inlet one side is provided with moisture separator, and moisture separator one side is provided with tee bend solenoid valve, and tee bend solenoid valve one side is provided with the air chamber, and air chamber one side is provided with the choke valve, and choke valve one side is provided with the buffer, and buffer one side is provided with the delivery pump, the inside sensor unit that is provided with of air chamber. The utility model discloses a sensor subassembly, sealing joint, moisture separator, main body cover, removable cover can reach the detection precision that improves the device main part, make things convenient for the purpose of device's use.
Description
Technical Field
The utility model relates to a exhale last carbon dioxide sensor technical field, specifically be an integration binary channels exhales last carbon dioxide sensor.
Background
The end-tidal C02 is one of important respiratory indexes, can monitor the ventilation function and reflect the circulation and pulmonary blood flow conditions, the end-tidal C02 monitoring is a clinical monitoring means for continuously measuring the end-tidal C02 level, the skill reflects the alveolar ventilation level, and the partial pressure level of C02 in blood can be reflected under the condition that VQ is more normal. Human tissue cells metabolize to produce C0 which is transported to the lungs via capillaries and veins and exits the body at the end of expiration. Clinically, the concentration of the end-tidal carbon dioxide has important applications of monitoring the ventilation function, maintaining normal ventilation volume, determining the position of an airway, finding mechanical faults of the ventilator in time, adjusting parameters of the ventilator, guiding the removal of the ventilator, monitoring the change of CO2 in the body, monitoring the circulation function and the like.
The prior art has the following problems:
the existing end-expiratory carbon dioxide sensor needs an external device to remove water vapor in the expired gas, so that the use is troublesome, and errors are easy to occur at the bottom of detection accuracy;
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an end carbon dioxide sensor is exhaled to integration binary channels has solved the problem that exists now.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an integration binary channels exhales last carbon dioxide sensor, includes main body cover, main body cover one side is provided with the connector, main body cover one side is provided with gas inlet, gas inlet opposite side is provided with gas outlet, gas inlet one side is provided with water gas separator, water gas separator one side is provided with three way solenoid valve, three way solenoid valve one side is provided with the air chamber, air chamber one side is provided with the choke valve, choke valve one side is provided with the buffer, buffer one side is provided with the delivery pump, the inside sensor unit that is provided with of air chamber.
As the utility model discloses a preferred technical scheme, main body cover one side is provided with removable cover, removable cover passes through the hinge and articulates with main body cover.
As the preferred technical scheme of the utility model, moisture separator, tee bend solenoid valve, air chamber, delivery pump all set up inside main body cover.
As the utility model discloses a preferred technical scheme, the sensor module inboard is provided with pressure sensor, pressure sensor one side is provided with temperature sensor, pressure sensor one side is provided with aqueous vapor sensor, the choke valve both sides are connected with differential pressure sensor.
As the utility model discloses an it is preferred technical scheme, the inside infrared light source that is provided with of air chamber, infrared light source one side is provided with the light filter, the light filter bottom is provided with double-circuit infrared receiver, double-circuit infrared receiver one side is provided with leading amplifier plate, leading amplifier plate one side is provided with main circuit board, infrared light source, light filter, leading amplifier plate quantity are provided with two sets ofly.
As the utility model discloses a preferred technical scheme, output pump one side is through the pipe connection gas outlet, tee bend solenoid valve is connected with outside air, air chamber, moisture separator respectively.
As the utility model discloses an optimized technical scheme, water and gas separator both sides are provided with sealing connector, water and gas separator is for dismantling the setting.
As the utility model discloses an preferred technical scheme, compared with prior art, the utility model provides an integration binary channels exhales last carbon dioxide sensor possesses following beneficial effect:
according to the integrated double-channel end-expiratory carbon dioxide sensor, the pressure sensor is arranged on the inner side of the sensor assembly, the temperature sensor is arranged on one side of the pressure sensor, the water-gas sensor is arranged on one side of the pressure sensor, the differential pressure sensors are connected to two sides of the throttle valve, the state of gas detected in the main body shell can be known conveniently through the sensors, the detection accuracy is improved, two groups of infrared light sources, optical filters and front amplification plates are arranged, and the detection accuracy of the device is further improved through the double-channel infrared receiver; one side of the output pump is connected with a gas outlet through a pipeline, the three-way electromagnetic valve is respectively connected with external air, the air chamber and the water-gas separator, and the internal air is driven to flow through the output pump and passes the detection efficiency; the sealing connectors are arranged on two sides of the water-gas separator, the water-gas separator is detachably arranged, the water-gas separator is convenient to replace and maintain, the water-gas separator, the three-way electromagnetic valve, the air chamber, the output pump and the circuit board are all arranged inside the main body shell, and the water-gas separator, the three-way electromagnetic valve, the air chamber, the output pump and the circuit board are integrally arranged, so that the water-gas separator is more convenient to use and does not need to be externally connected.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of the system of the present invention;
fig. 4 is a schematic structural diagram of the sensor assembly of the present invention.
In the figure: 1. a main body housing; 101. a removable cover plate; 2. a connector; 3. a gas inlet; 4. A gas outlet; 5. a water-gas separator; 6. a three-way electromagnetic valve; 7. an air chamber; 8. a throttle valve; 9. a buffer; 10. an output pump; 11. a sensor assembly; 1101. a pressure sensor; 1102. A temperature sensor; 1103. a water gas sensor; 13. a differential pressure sensor; 14. a light source device; 15. an optical filter; 16. a single-channel infrared receiver; 17. a pre-amplification plate; 18. the main circuit board.
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.
Referring to fig. 1-4, in this embodiment: the utility model provides an end carbon dioxide sensor is exhaled to integration binary channels, including main body cover 1, 1 one side of main body cover is provided with connector 2, 1 one side of main body cover is provided with gas inlet 3, 3 opposite sides of gas inlet are provided with gas outlet 4, 3 one sides of gas inlet are provided with moisture separator 5, moisture separator 5 one side is provided with tee bend solenoid valve 6, 6 one side of tee bend solenoid valve is provided with air chamber 7, 7 one side of air chamber is provided with choke valve 8, 8 one side of choke valve is provided with buffer 9, 9 one side of buffer is provided with delivery pump 10, 7 inside sensor module 11 that is provided with of air chamber.
In the embodiment, a movable cover plate 101 is arranged on one side of a main body shell 1, and the movable cover plate 101 is hinged with the main body shell 1 through a hinge, so that the main body of the device is convenient to overhaul and maintain; the water-gas separator 5, the three-way electromagnetic valve 6, the gas chamber 7 and the output pump 10 are all arranged in the main body shell 1, so that the arrangement is integrated and the use is more convenient; a pressure sensor 1101 is arranged on the inner side of the sensor assembly 11, a temperature sensor 1102 is arranged on one side of the pressure sensor 1101, a water vapor sensor 1103 is arranged on one side of the pressure sensor 1101, and differential pressure sensors 13 are connected to two sides of the throttle valve 8, so that the state of the gas detected in the main body shell 1 can be conveniently known through the sensors, and the detection accuracy is improved; an infrared light source 14 is arranged in the air chamber 7, a light filter 15 is arranged on one side of the infrared light source 14, a double-path infrared receiver 16 is arranged at the bottom end of the light filter 15, a front amplification plate 17 is arranged on one side of the double-path infrared receiver 16, a main circuit board 18 is arranged on one side of the front amplification plate 17, and the infrared light source, the light filter 15 and the front amplification plate 17 are arranged in two groups, so that the double-path infrared receiver 16 is arranged, and the detection accuracy of the device is further improved; one side of the output pump 10 is connected with the gas outlet 4 through a pipeline, the three-way electromagnetic valve 6 is respectively connected with external air, the air chamber 7 and the water-gas separator 5, and the output pump 10 drives the internal air to flow and the detection efficiency is passed; the sealing connectors 501 are arranged on the two sides of the water-gas separator 5, and the water-gas separator 5 is detachably arranged, so that the water-gas separator 5 is convenient to replace and maintain.
The utility model discloses a theory of operation and use flow: when the gas detection device is used, exhaled gas is guided into the water-gas separator 5 from the gas inlet 3 to remove water vapor, and is guided into the gas chamber 7 through the three-way electromagnetic valve 6, the pressure sensor 1101 is arranged on the inner side of the sensor assembly 11, the temperature sensor 1102 is arranged on one side of the pressure sensor 1101, the water-gas sensor 1103 is arranged on one side of the pressure sensor 1101, and the differential pressure sensor 13 is connected to two sides of the throttle valve 8; an infrared light source 14 is arranged in the air chamber 7, a light filter 15 is arranged on one side of the infrared light source 14, a double-path infrared receiver 16 is arranged at the bottom end of the light filter 15, a front amplification plate 17 is arranged on one side of the double-path infrared receiver 16, a main circuit board 18 is arranged on one side of the front amplification plate 17, and the infrared light source, the light filter 15 and the front amplification plate 17 are arranged in two groups, so that the double-path infrared receiver 16 is arranged, and the detection accuracy of the device is further improved; one side of the output pump 10 is connected with the gas outlet 4 through a pipeline, the three-way electromagnetic valve 6 is respectively connected with external air, the air chamber 7 and the water-gas separator 5, and the output pump 10 drives the internal air to flow and the detection efficiency is passed; 5 both sides of water separator are provided with sealing connector 501, and water separator 5 sets up for dismantling so that water separator 5 changes and maintains, and all sets up inside main body cover 1 through water separator 5, tee bend solenoid valve 6, air chamber 7, delivery pump 10, circuit board 2, sets up the integration like this and sets up and make the use more convenient, need not externally.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an end carbon dioxide sensor is exhaled to integration binary channels, includes main body cover (1), its characterized in that: main body cover (1) one side is provided with connector (2), main body cover (1) one side is provided with gas inlet (3), gas inlet (3) opposite side is provided with gas outlet (4), gas inlet (3) one side is provided with moisture separator (5), moisture separator (5) one side is provided with tee bend solenoid valve (6), tee bend solenoid valve (6) one side is provided with air chamber (7), air chamber (7) one side is provided with choke valve (8), choke valve (8) one side is provided with buffer (9), buffer (9) one side is provided with delivery pump (10), air chamber (7) inside is provided with sensor assembly (11).
2. The integrated dual-channel end-tidal carbon dioxide sensor according to claim 1, wherein: the movable cover plate is characterized in that a movable cover plate (101) is arranged on one side of the main body shell (1), and the movable cover plate (101) is hinged to the main body shell (1) through a hinge.
3. The integrated dual-channel end-tidal carbon dioxide sensor according to claim 1, wherein: the water-gas separator (5), the three-way electromagnetic valve (6), the gas chamber (7) and the output pump (10) are all arranged inside the main body shell (1).
4. The integrated dual-channel end-tidal carbon dioxide sensor of claim 1, wherein: the sensor assembly (11) inboard is provided with pressure sensor (1101), pressure sensor (1101) one side is provided with temperature sensor (1102), pressure sensor (1101) one side is provided with moisture sensor (1103), choke valve (8) both sides are connected with differential pressure sensor (13).
5. The integrated dual-channel end-tidal carbon dioxide sensor of claim 1, wherein: the infrared light source (14) is arranged inside the air chamber (7), the optical filter (15) is arranged on one side of the infrared light source (14), the double-path infrared receiver (16) is arranged at the bottom end of the optical filter (15), the preposed amplification plate (17) is arranged on one side of the double-path infrared receiver (16), the main circuit board (18) is arranged on one side of the preposed amplification plate (17), and the infrared light source (14), the optical filter (15) and the preposed amplification plate (17) are arranged in two groups.
6. The integrated dual-channel end-tidal carbon dioxide sensor of claim 1, wherein: one side of the output pump (10) is connected with the gas outlet (4) through a pipeline, and the three-way electromagnetic valve (6) is respectively connected with the external air, the air chamber (7) and the water-gas separator (5).
7. The integrated dual-channel end-tidal carbon dioxide sensor of claim 1, wherein: and sealing connectors (501) are arranged on two sides of the water-gas separator (5), and the water-gas separator (5) is detachably arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123345407.2U CN217484330U (en) | 2021-12-28 | 2021-12-28 | Integrated double-channel end-expiration carbon dioxide sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123345407.2U CN217484330U (en) | 2021-12-28 | 2021-12-28 | Integrated double-channel end-expiration carbon dioxide sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484330U true CN217484330U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123345407.2U Active CN217484330U (en) | 2021-12-28 | 2021-12-28 | Integrated double-channel end-expiration carbon dioxide sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484330U (en) |
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2021
- 2021-12-28 CN CN202123345407.2U patent/CN217484330U/en active Active
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