CN209629654U - A kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device - Google Patents

A kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device Download PDF

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Publication number
CN209629654U
CN209629654U CN201821000196.4U CN201821000196U CN209629654U CN 209629654 U CN209629654 U CN 209629654U CN 201821000196 U CN201821000196 U CN 201821000196U CN 209629654 U CN209629654 U CN 209629654U
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gas
analysis
air intake
intake passage
sensor
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CN201821000196.4U
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侯堂青
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Shanghai Flying Sports Management Consulting Co Ltd
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Shanghai Flying Sports Management Consulting Co Ltd
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Abstract

The utility model discloses a kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis devices, including air intake passage, breathing mask, gas analysis channel, aspiration pump, the outlet end of the air intake passage is communicated to breathing mask, the breathing mask is communicated to gas analysis channel, the aspiration pump is connected on gas analysis channel, it is connected with gas concentration lwevel sensor and/or oxygen concentration sensor on the gas outlet in the gas analysis channel, is provided with gas flow sensor in the air intake passage.The utility model passes through mutually independent air intake passage, breathing mask and gas analysis channel solve influence of the humidity to the gentle body sensor measuring accuracy of flow, design is simply easy to system combination, it is suitble to dynamically measure in various indoor and outdoor move, collected oxygen/carbon dioxide concentration can need to change into the measurement sensor of any human body exhaled gas concentration according to test.

Description

A kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device
Technical field
The utility model relates to a kind of devices more particularly to a kind of characteristics of contaminated respiratory droplets gas for acquiring human body respiration gas Sampling and metabolic analysis device.
Background technique
Breathing is the process of gas exchanges between human body and external environment.Human body can be reacted by analyzing corresponding respiration parameter Various information, such as pass through flow react human body respiration frequency, if having apnea, pass through oxygen dioxy in exhaled gas The energetic supersession situation for changing concentration of carbon reaction human body, the medical diagnosis etc. of related disease is reacted by various identification gas concentrations Deng.
Human body respiration parameter is analyzed firstly the need of acquisition human body respiration gas.The breathing gas being widely used both at home and abroad at present Acquisition technique is based primarily upon airbag method, analyzes after gas is collected by aspiration pump, and briefly retrieval is as follows:
A kind of people mentions in energetic supersession detection device and method (CN104665835A) through impulse electromagnetic valve and aspiration pump Gas is acquired;
The sampling of gas is completed in human body respiration gas spot sampling device (CN102944448A) with vacuum pump;
It is filled in a kind of device (CN205251523U) for measuring cardio-pulmonary function based on the system of pedestal and moving track Set carry out DATA REASONING.
During acquiring exhaled gas flow, due to the temperature difference of exhaled gas and environmental gas, it will cause to be measured Humidity rises in gas, influences measuring accuracy.And increases humidity filter device on exhaled gas access and will increase breathing resistance Power influences the accuracy of test, and entire acquisition device generally requires a variety of sealing joint valves, at high cost, and that structure is complicated is huge Greatly, system integration difficulty is big, therefore the prior art is not suitable for the scene in motion process and dynamically, accurately measures, and big rule Mould is promoted.
Utility model content
The technical problem to be solved by the utility model is to: the humidity for solving exhaled gas in the prior art ties test The influence of fruit provides a kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device.
The utility model is that solution above-mentioned technical problem, the utility model include that air-breathing is logical by the following technical programs Road, breathing mask, gas analysis channel, aspiration pump, the outlet end of the air intake passage are communicated to breathing mask, the respiratory surface Cover is communicated to gas analysis channel, and the aspiration pump is connected on gas analysis channel, the gas outlet in the gas analysis channel On be connected with gas concentration lwevel sensor and/or oxygen concentration sensor, be provided in the air intake passage gas flow biography Sensor.
The outlet end of the breathing mask and air intake passage is provided with gas collection one-way cock.It prevents in breathing mask Gas is mixed into air intake passage, to eliminate the influence of the moisture flow sensor in exhaled gas.
The breathing mask is equipped with gas output one-way valve door.Ensure that the gas of user's exhalation is single after breathing mask To being discharged into the external world.In air-breathing, gas output one-way valve door is closed, to prevent outside air by the road other than air intake passage Diameter enters breathing mask.
Non-proliferation check valve is provided on the exhaled gas collecting chamber.Prevent the surrounding air intracavity gas that extends influence dense Degree.
Exhaled gas collecting chamber is provided between the breathing mask and gas analysis channel.The sampling point from breathing mask When gassing body, the gas of surrounding air and exhalation can be respectively in the detection that the different phase of breathing enters next step.And from When exhaled gas collecting chamber sampling analysis gas, it can effectively completely cut off in breathing process the air entered in breathing mask and enter It detects in next step.
Moisture filter device is provided on the gas analysis channel.For removing the moisture in exhaled gas.
The gas outlet in the gas analysis channel be equipped with gas mixer chamber, the gas concentration lwevel sensor and/or Oxygen concentration sensor is located in the gas mixing room.The sensor more needed can be added in gas mixing room.
The diameter in the gas analysis channel is less than the diameter of air intake passage.Air intake passage is wider, no moisture filter device, To reduce respiratory resistance, and gas analysis channel is thinner, and moisture filter device easy to use breathes the influence of moisture to eliminate.
The sampling and metabolic analysis device also have the fixing piece carried for user.Can according to actual needs, Entire sampling and metabolic analysis device are born with, or carried in wrist.
Heart rate sensor is provided on the fixing piece.Sampling of the heart rate sensor realization to heart rate can also be increased.
The utility model has the advantage that the utility model passes through mutually independent air intake passage compared with prior art, Breathing mask and gas analysis channel solve influence of the humidity to the gentle body sensor measuring accuracy of flow, and design is simply easy to System combination is suitble to dynamically measure in various indoor and outdoor move, and collected oxygen/carbon dioxide concentration can basis Test needs to change into the measurement sensor of any human body exhaled gas concentration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1;
Fig. 2 is the structural schematic diagram of embodiment 2;
Fig. 3 is the schematic diagram of the wearing of embodiment 2 on the user's body.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited In following embodiments.
Embodiment 1
As shown in Figure 1, the sampling of the present embodiment and metabolic analysis device include air intake passage 1, breathing mask 2, gas point Channel 3, aspiration pump 4 are analysed, the outlet end of the air intake passage 1 is communicated to breathing mask 2, and the breathing mask 2 is communicated to gas Analysis channel 3, the aspiration pump 4 are connected on gas analysis channel 3, are connected on the gas outlet in the gas analysis channel 3 Gas concentration lwevel sensor 5 and oxygen concentration sensor 6 are provided with gas flow sensor 7 in the air intake passage 1.
The aspiration pump 4 of the present embodiment is micro-suction pump.
The outlet end of the breathing mask 2 and air intake passage 1 is provided with gas collection one-way cock 8.It can prevent from breathing Gas in mask 2 is mixed into air intake passage 1, to eliminate the influence of the moisture flow sensor 7 in exhaled gas.
The breathing mask 2 is equipped with gas output one-way valve door 9.It may insure the gas of user's exhalation through respiratory surface The external world is unidirectionally discharged into after cover 2.In air-breathing, gas output one-way valve door 9 is closed, to prevent outside air by air intake passage Path other than 1 enters breathing mask 2.
Moisture filter device 10 is provided on the gas analysis channel 3.For removing moisture in exhaled gas.Moisture mistake Filtering device 10 is commercially available conventional waterproof ventilated membrane.
The gas outlet in the gas analysis channel 3 is equipped with gas mixer chamber 11,5 He of gas concentration lwevel sensor Oxygen concentration sensor 6 is located in the gas mixer chamber 11.The sensing more needed can be added in gas mixer chamber 11 Device.
The diameter in the gas analysis channel 3 is less than the diameter of air intake passage 1.Air intake passage 1 is wider, no moisture filtering dress It sets, respiratory resistance can be reduced, and gas analysis channel 3 is relatively thin, moisture filter device easy to use is to eliminate in exhaled gas The influence of moisture.
The sampling and metabolic analysis device also have the fixing piece 12 carried for user.The present embodiment is according to reality It needs, entire sampling and metabolic analysis device is born with, in other embodiments, can also be carried in wrist.
Heart rate sensor 13 is provided on the fixing piece 12.The realization of heart rate sensor 13 can also be increased to adopt heart rate Sample.
Test process explanation:
Heart rate sensor 13 is worn on arm.
Sampling and metabolic analysis device are worn on front.
Surrounding air initially enters in air intake passage 1 when air-breathing, and by gas flow sensor 7, then passes through gas It collects after one-way cock 8 enters breathing mask 2 and is inhaled by the user.Gas output one-way valve door 9 is closed in the process, it is ensured that All sucking gases enter breathing mask 2 from gas collection one-way cock 8.The gas breathed out when expiration is by gas output one-way valve Door 9 exports.Gas collection one-way cock 8 is closed at this time, it is ensured that no exhaled gas leaks in air intake passage 1.In breathing Micro-suction pump 4 is in real time by the micro gas sampling in breathing mask 2 and by entering gas after moisture filter device 10 simultaneously Body mixing chamber 11, and concentration value is read by oxygen concentration sensor 6 and gas concentration lwevel sensor 5, arrow is gas in Fig. 1 Flow direction, each sensor constitutes sensor portion 15 in Fig. 1, and breathing mask 2 and corresponding one-way cock are constituted in figure Gas collection portion 14.
Measured heart rate, gas flow rate, oxygen concentration, carbon dioxide concentration value use for subsequent analysis.
Embodiment 2
As shown in Figures 2 and 3, in the present embodiment, exhalation is provided between the breathing mask 2 and gas analysis channel 3 Gas collection chamber 16.Non-proliferation check valve 17 is provided on the exhaled gas collecting chamber 16.Prevent surrounding air from extending influence Intracavity gas concentration.In breathing process, since gas output one-way valve door 9 and non-proliferation check valve 17 are closed, exhaled gas Gas componant in collecting chamber 16 does not change.The gas breathed out in exhalation process is entered by gas output one-way valve door 9 Exhaled gas collecting chamber 16.Gas collection one-way cock 8 is closed at this time, it is ensured that no exhaled gas leaks in air intake passage 1.
Exhaled gas collecting chamber 16 is added between breathing mask 2 and gas analysis channel 3, can effectively be completely cut off and inhaled The air entered in breathing mask 2 during gas enters to be detected in next step.
Other embodiments and embodiment 1 are identical.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device, which is characterized in that including air intake passage, breathing mask, gas Body analysis channel, aspiration pump, the outlet end of the air intake passage are communicated to breathing mask, and the breathing mask is communicated to gas point Channel is analysed, the aspiration pump is connected on gas analysis channel, is connected with titanium dioxide on the gas outlet in the gas analysis channel Concentration of carbon sensor and/or oxygen concentration sensor are provided with gas flow sensor in the air intake passage.
2. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that described to exhale The outlet end for inhaling mask and air intake passage is provided with gas collection one-way cock.
3. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that described to exhale It inhales mask and is equipped with gas output one-way valve door.
4. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that described to exhale It inhales and is provided with exhaled gas collecting chamber between mask and gas analysis channel.
5. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 4 and metabolic analysis device, which is characterized in that described to exhale Non-proliferation check valve is provided on gas collecting chamber out.
6. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that the gas Moisture filter device is provided on body analysis channel.
7. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that the gas The gas outlet of body analysis channel is equipped with gas mixer chamber, the gas concentration lwevel sensor and/or oxygen concentration sensor In the gas mixing room.
8. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that the gas The diameter of body analysis channel is less than the diameter of air intake passage.
9. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 1 and metabolic analysis device, which is characterized in that described to adopt Sample and metabolic analysis device also have the fixing piece carried for user.
10. a kind of characteristics of contaminated respiratory droplets gas sampling according to claim 9 and metabolic analysis device, which is characterized in that described Heart rate sensor is provided on fixing piece.
CN201821000196.4U 2018-06-27 2018-06-27 A kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device Active CN209629654U (en)

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Application Number Priority Date Filing Date Title
CN201821000196.4U CN209629654U (en) 2018-06-27 2018-06-27 A kind of characteristics of contaminated respiratory droplets gas sampling and metabolic analysis device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887807A (en) * 2019-12-03 2020-03-17 吉林大学 Intelligent detection system and method for hypoxia chamber
CN111067528A (en) * 2020-03-23 2020-04-28 成都泰盟软件有限公司 Energy metabolism measuring device
CN112370043A (en) * 2020-09-24 2021-02-19 江苏苏云医疗器材有限公司 Portable multifunctional cardiopulmonary function testing device and testing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887807A (en) * 2019-12-03 2020-03-17 吉林大学 Intelligent detection system and method for hypoxia chamber
CN111067528A (en) * 2020-03-23 2020-04-28 成都泰盟软件有限公司 Energy metabolism measuring device
CN112370043A (en) * 2020-09-24 2021-02-19 江苏苏云医疗器材有限公司 Portable multifunctional cardiopulmonary function testing device and testing method thereof

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