CN102495202B - Human body respiratory performance parameter detection apparatus - Google Patents

Human body respiratory performance parameter detection apparatus Download PDF

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Publication number
CN102495202B
CN102495202B CN 201110431813 CN201110431813A CN102495202B CN 102495202 B CN102495202 B CN 102495202B CN 201110431813 CN201110431813 CN 201110431813 CN 201110431813 A CN201110431813 A CN 201110431813A CN 102495202 B CN102495202 B CN 102495202B
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air inlet
anger
air
giving vent
probe
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CN102495202A (en
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周斌
张小松
闫俊海
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Southeast University
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Southeast University
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Abstract

The invention provides a human body respiratory performance parameter detection apparatus comprising an inspiration pipeline, an expiration pipeline, flow meters, a blower, low-temperature sampling bottles, oxygen/carbon dioxide/ammonia gas probes, particle counters, data recorders, and a gas and liquid phase chromatography analysis instrument. According to the invention, the inspiration pipelineand the expiration pipeline are separated, inspiration expiration flow rates of a human body, respiratory flow temperatures and relative humidities, oxygen concentrations, pollutant gas concentrations, and particle concentrations are respectively measured, such that human body respiratory basic performance parameters are obtained. Therefore, a scientific basis is provided for the optimization of air conditioning system novel air delivery and the design of indoor air distribution. Also, a solution is provided for realizing an aim that the air conditioning system is used for serving people's health. Therefore, a purpose of a healthy, energy-saving and sustainable-developing heating, ventilation, and air conditioning system can be achieved.

Description

Human body respiratory performance parameter detection apparatus
Technical field
The invention belongs to HVAC refrigeration air-conditioner, indoor air quality and air purity technique field, relate to a kind of human body respiration performance parameter detection method and detection system.
Background technology
Along with deepening continuously of the sustainable development architecture theory, building energy conservation and guarantee indoor occupant health have become the two large problems that field of air conditioning need to be faced jointly.Air conditioning energy consumption accounts for pith in China's building energy consumption at present, and the novel wind energy consumption is the most important thing.
China design of HVAC personnel often with reference to foreign standard, lack the further investigation to national conditions and Chinese's characteristics when determining resh air requirement at present.For the sake of security, often selected higher resh air requirement, so that building energy consumption becomes increasing along with the continuous expansion in air conditioning applications field.This external extreme case, the designer lacking on the basis that the resh air requirement necessity is understood, does not arrange VMC (Ventilation Mechanical Control System) for energy-conservation, causes the indoor pollution substrate concentration constantly to gather, and is detrimental to health.
For this reason under the prerequisite that ensures the hot moisture management properties of air-conditioning system, be necessary that Chinese visible human is breathed performance parameter to be tested and statistical study, obtain basic data, for the designer determines rational resh air requirement and new wind quality, optimizes that new return air ratio provides the basis in the air-conditioning system.
Existing human body respiration performance parameter detects Patents to be had:
" air respirator performance detector " (number of applying for a patent: CN201120045960.1 of Gao Ying, Wen Yichun, Lu Xiaopeng, Han person of outstanding talent, bear Jianping, Qin Xia, Geng Kui and the big application of meter of equipment research institute of the Second Artillery Force the 6th research institute; Open notification number: CN202013269U; Statutory status: authorize) in, considered that mainly the air respiratorresuscitator (pressure vessel) of using in the disaster relief fields such as fire-fighting detects, studied emphatically the connected mode of pressure transducer, detection platform and detection data processing equipment.
The Berne Derain of MAP medicine-technology Ltd; " device for detecting respiratory " (number of applying for a patent: CN201110070673.0 of Si Difenxiecier application; Open notification number: CN102172329A; Statutory status: the coming into force of examination as to substances) in, purpose is to detect or produce the pick-up unit of the active signal that shows human body respiration and human body respiration flesh, by detecting or measure the power that acts on the belting in the mode without electricity, based on this detection or measurement, obtain the conclusion that relevant trunk broadens or narrows down.
" a kind of easy device of Real-Time Monitoring breathing state " (number of applying for a patent: CN201020610401.6 of the string standing grain of University Of Chongqing and the application of Zhang Zhen state; Open notification number: CN201948995U; Statutory status: authorize) in, by at 0.8~1.2cm place, distance human body nostril set temperature sensor, monitored tested personnel's breathing state by the temperature-time changing curve of data acquisition system (DAS) and the continuous characteristics of contaminated respiratory droplets suction gas that shows of display.
" breath detection control device " (number of applying for a patent: CN201020227657.9 of the Cai Qinghua of No. Three Engineering Corps Research Institute of PLA General Staff, Zhai Jinming, He Xiang, civilian plateau, Li Yingjun, Pan Shuiyan, Hu Rui and Wang Shihe application; Open notification number: CN201710837U; Statutory status: authorize) in, utilizes photoelectric sensor by controlling sensing circuit control electric machine rotation or stopping, having solved existing dust-proof breath mask and breathed uncomfortable problem, improved comfortableness and safe reliability that breathing mask uses.
" a kind of Portable body temperature, pulse, respirometer " (number of applying for a patent: CN200920240411.2 of Chao Caixia application; Open notification number: CN201537086U; Statutory status: authorize) in, utilizes miniature control processor, micro power, control knob and body temp. function key, pulse function key and respiratory function key, realize the measurement of temperature pulse respiration.Can alleviate paramedic's workload and improve paramedic's work efficiency and work quality, be a kind of desirable practical testing tool that department is particularly nursed by medical institutions.
Can see from above-mentioned introduction, at present also not specially in the indoor environment, researching human body is breathed oxygen demand, human body respiration produces pollutant and produces comprehensive detection method and the pick-up unit of wet amount, human lung's laying dust characteristic, do not have to realize air-breathing and separately sampling and the switching of expiration pipeline yet, except simple humiture detects, also do not consider the device of multiple low concentration in the human body respiration, the sampling of low volatility pollutant.
Summary of the invention
Technical matters:The invention provides a kind of human body respiratory performance parameter detection apparatus that can in the oxygen demand of measuring human body, measure human body respiration pollutant and moisture emission.
Technical scheme:Human body respiratory performance parameter detection apparatus of the present invention comprises suction line, expiration pipeline, breathes house steward and processor; Suction line comprises air-breathing entrance, air inlet anemoscope, the second air inlet electromagnetic valve, the 3rd air inlet electromagnetic valve, the integrated detector of air inlet oxygen/carbon dioxide/ammonia, the first corpuscular counter and the 4th air inlet electromagnetic valve that connects successively; The expiration pipeline comprises successively the first give vent to anger solenoid valve, the second corpuscular counter, the anemoscope of giving vent to anger, the integrated detector of the oxygen/carbon dioxide of giving vent to anger/ammonia, second give vent to anger solenoid valve, the 3rd give vent to anger solenoid valve, the exhalation vents that connects; Breathe house steward and comprise Hygrothermograph, pressure gauge and the mouth mask that connects successively, the inlet end of described Hygrothermograph by three-way pipe respectively with the 3rd air inlet electromagnetic valve be connected the solenoid valve of giving vent to anger and be connected; The signal input part of processor is connected with pressure gauge by signal wire, signal output part by signal wire respectively with the 4th air inlet electromagnetic valve be connected the solenoid valve of giving vent to anger and be connected.
In a kind of scheme of the present invention, the pipeline between the second air inlet electromagnetic valve and the 3rd air inlet electromagnetic valve also is connected with large minute sub sampling air inlet pipeline; The sub sampling air inlet pipeline comprised entrance blower fan, the first ice sample can, the first dry ice sample can, the first liquid nitrogen sample can and the first air inlet electromagnetic valve that connects successively in large minute, and the endpiece of described the first air inlet electromagnetic valve is connected with three-way pipe between the second air inlet electromagnetic valve and the 3rd air inlet electromagnetic valve.
In a kind of scheme of the present invention, second give vent to anger the pipeline between the solenoid valve of solenoid valve and the 3rd of giving vent to anger also is connected with large minute sub sampling outlet pipe; Large minute sub sampling outlet pipe comprises the 4th give vent to anger solenoid valve, the second ice sample can, the second dry ice sample can, the second liquid nitrogen sample can and the outlet blower fan that connects successively, and the described the 4th inlet end and second of the giving vent to anger solenoid valve three-way pipe that solenoid valve and the 3rd gives vent to anger between the solenoid valve of giving vent to anger is connected.
In a kind of scheme of the present invention, the integrated detector of air inlet oxygen/carbon dioxide/ammonia comprises air inlet oxygen probe, air inlet carbon dioxide probe, air inlet ammonia probe and the first data collecting instrument, the signal input part of the first data collecting instrument is connected with described air inlet oxygen probe, air inlet carbon dioxide probe, air inlet ammonia probe respectively, and signal output part is connected with the first data terminal by signal wire.
In a kind of scheme of the present invention, the integrated detector of oxygen/carbon dioxide/ammonia of giving vent to anger comprises the oxygen probe of giving vent to anger, goes out air carbon dioxide probe, the ammonia of giving vent to anger probe and the second data collecting instrument, the air carbon dioxide probe is popped one's head in, gone out to the signal input part of described the second data collecting instrument with the described oxygen of giving vent to anger respectively, the ammonia of giving vent to anger probe is connected, and signal output part is connected with described the second data terminal by signal wire.
Human body respiration performance parameter detection system of the present invention comprises air-breathing and exhalation path.Air-breathing and exhalation path all comprises respectively anemoscope, ice sample can, dry ice sample can, liquid nitrogen sample can, solenoid valve, the integrated detector of oxygen/carbon dioxide/ammonia, corpuscular counter, pressure gauge and Hygrothermograph.Air-breathingly be connected by mouth mask with exhalation path.Respond to pressure surge air-breathing and expiratory airflow by pressure gauge, the switching of electromagnetic valve for adjusting realizes air-breathing and sampling expiratory airflow.Wherein ice liquid that sample can, dry ice sample can and liquid nitrogen sample can obtain and be positioned over the gas phase and liquid phase chromatograph and analyze, can obtain the dusty gas content of large molecule low volatility in the air-flow.
Beneficial effect:The present invention compared with prior art has the following advantages:
The present invention can be simultaneously, oxygen demand, pollutant and the moisture burst size of composite measurement human body, particle be in the deposition of lung, and existing technology does not have the method and device.
The present invention can according to the break-make of breathing the air-breathing and expiration pipeline of air pressure adjustment, realizes air-breathing and the conversion expiration pipeline, and carry out respectively air-flow and pollutant and sample, and existing technology not have the method and device.
The present invention not only can measure conventional human body respiration parameter, comprise oxygen, carbon dioxide, ammonia and particle concentration, and ice sample can, dry ice sample can and liquid nitrogen sample can by set gradually different temperatures along airflow direction, the liquid that the low temperature sample can is obtained is used for the gas phase and liquid phase spectrometer analysis, realizes the detection to large molecule, low concentration, low volatility minimum gas.
The present invention is by arranging respectively corpuscular counter on suction line and expiration pipeline, can realize the variation with particle particle diameter (corresponding nano particle, 0.1,0.3,0.5,1,3,5 and 10 μ m) of the particle quality number percent (corresponding PM10, PM4, PM2.5 and PM1) of pulmonary deposition and deposition.
The present invention separates the air-breathing and exhalation path of human body, by combination ice, dry ice and three kinds of Low Temperature Thermal exchange systems of liquid nitrogen, utilizes gas (O 2, CO 2, NH 3Deng) probe, particle corpuscular counter and gas phase/liquid chromatograph, realize pollutant levels, particle that human body oxygen demand, respiratory air flow temperature and moisture dispersed amount, human body discharge are measured in the parameters such as deposition conditions of lung.The present invention be the design personnel determine resh air requirement, for the scientific research personnel carries out the optimization of draft type, master data is provided, when satisfying the energy-conservation requirement of air conditioning high efficiency, provide solution for realizing air-conditioning system for human health service.
Description of drawings
Fig. 1 is human body respiration performance parameter detection system synoptic diagram.
Fig. 2 is air-breathing and expiration electromagnetic valve controlling system synoptic diagram.
Fig. 3 is the synoptic diagram of air inlet oxygen/carbon dioxide/integrated detector of ammonia.
Fig. 4 is the synoptic diagram of oxygen/carbon dioxide/integrated detector of ammonia of giving vent to anger.
Have among the figure: entrance blower fan 1, the first ice sample can 2, the first dry ice sample cans 3, the first liquid nitrogen sample cans 4, the first air inlet electromagnetic valve 5, air-breathing entrance 6, the first anemoscopes 7, the second air inlet electromagnetic valves 8, the 3rd air inlet electromagnetic valve 9, integrated detector 10, the first corpuscular counters of air inlet oxygen/carbon dioxide/ammonia 11, the four air inlet electromagnetic valves 12, Hygrothermograph 13, pressure gauge 14, mouth mask 15, the first solenoid valve 16 of giving vent to anger, the second corpuscular counter 17, the second anemoscope 18, the integrated detector 19, the second of the oxygen/carbon dioxide/ammonia of giving vent to anger solenoid valve 20, the three solenoid valve 21 of giving vent to anger of giving vent to anger, exhalation vents 22, the 4th solenoid valve 23, the second ice sample cans 24 of giving vent to anger, the second dry ice sample can 25, the second liquid nitrogen sample can 26, outlet blower fan 27 and the 3rd processor (28)
Air inlet oxygen probe 101, air inlet carbon dioxide probe 102, air inlet ammonia probe 103, the first data collecting instruments 104, first processor (105), the oxygen of giving vent to anger probe 191 goes out air carbon dioxide probe 192, the ammonia of giving vent to anger probe 193, the second data collecting instruments, 194, the second processors (195).
Embodiment
Below in conjunction with embodiment and accompanying drawing technical scheme of the present invention is further described.
Human body respiratory performance parameter detection apparatus of the present invention comprises suction line, expiration pipeline, breathes house steward and processor;
Suction line comprises air-breathing entrance 6, air inlet anemoscope 7, the second air inlet electromagnetic valve 8, the 3rd air inlet electromagnetic valve 9, the integrated detector 10 of air inlet oxygen/carbon dioxide/ammonia, the first corpuscular counter 11 and the 4th air inlet electromagnetic valve 12 that connects successively; The integrated detector 10 of air inlet oxygen/carbon dioxide/ammonia comprises air inlet oxygen probe 101, air inlet carbon dioxide probe 102, air inlet ammonia probe the 103 and first data collecting instrument 104, the signal input part of described the first data collecting instrument 104 is connected with described air inlet oxygen probe 101, air inlet carbon dioxide probe 102, air inlet ammonia probe 103 respectively, and signal output part is connected with described the first data terminal 105 by signal wire; Pipeline between the second air inlet electromagnetic valve 8 and the 3rd air inlet electromagnetic valve 9 also parallel join has large minute sub sampling air inlet pipeline;
The sub sampling air inlet pipeline comprised entrance blower fan 1, the first ice sample can 2, the first dry ice sample can 3, the first liquid nitrogen sample can 4 and the first air inlet electromagnetic valve 5 that connects successively in large minute, and the endpiece of described the first air inlet electromagnetic valve 5 is connected with three-way pipe between the second air inlet electromagnetic valve 8 and the 3rd air inlet electromagnetic valve 9;
The expiration pipeline comprises successively first solenoid valve 16 of giving vent to anger that connects, the second corpuscular counter 17, the anemoscope 18 of giving vent to anger, the integrated detector 19 of the oxygen/carbon dioxide/ammonia of giving vent to anger, second solenoid valve 20 of giving vent to anger, the 3rd solenoid valve 21 of giving vent to anger, exhalation vents 22, the integrated detector 19 of the described oxygen/carbon dioxide of giving vent to anger/ammonia comprises the oxygen probe 191 of giving vent to anger, go out air carbon dioxide probe 192, the ammonia of giving vent to anger probe the 193 and second data collecting instrument 194, the signal input part of described the second data collecting instrument 194 pops one's head in 191 with the described oxygen of giving vent to anger respectively, go out air carbon dioxide probe 192, the ammonia of giving vent to anger probe 193 connects, and signal output part is connected with described the second data terminal 195 by signal wire; Described second give vent to anger solenoid valve 20 and the 3rd give vent to anger between the solenoid valve 21 pipeline also parallel join large minute sub sampling outlet pipe arranged;
Large minute sub sampling outlet pipe comprises that the 4th solenoid valve 23, the second ice sample can 24, the second dry ice sample can 25, the second liquid nitrogen sample can 26 and outlet blower fan 27, the four inlet end and second of solenoid valve 23 three-way pipe that solenoid valve 20 and the 3rd gives vent to anger between the solenoid valve 21 of giving vent to anger of giving vent to anger of giving vent to anger that connects successively is connected;
Breathe house steward and comprise Hygrothermograph 13, pressure gauge 14 and the mouth mask 15 that connects successively, the inlet end of described Hygrothermograph 13 by three-way pipe respectively with the 3rd air inlet electromagnetic valve 12 be connected the solenoid valve 16 of giving vent to anger and be connected;
The inlet end of pressure gauge 14 is connected with the wall of mouth mask 15, connect perforate and respiratory air flow over against, measures air-breathing and interior surge pressure and the atmospheric difference of mouth mask 15 when exhaling, the process processor changes into signal to pressure reduction.
The signal input part of processor 28 is connected with pressure gauge 14 by signal wire, signal output part by signal wire respectively with the 4th air inlet electromagnetic valve 12 be connected the solenoid valve 16 of giving vent to anger and be connected.
Human body respiration performance parameter detection system of the present invention comprises suction line, gas exhaust piping and sample lines, and this device can be measured moisture that the oxygen utilization, human body respiration process of human body metabolic processes produce and dusty gas and particle simultaneously at human lung's deposition number percent.The specific works process of this device is as follows:
At first measure dusty gas concentration in the human body environment of living in.The first air inlet electromagnetic valve 5 and the second air inlet electromagnetic valve 8 are opened, and the 3rd air inlet electromagnetic valve 9 is closed.Air is extracted by entrance blower fan 1, respectively by the first ice sample can 2, the first dry ice sample can 3 and the first liquid nitrogen sample can 4, because temperature is different in three sample cans, through certain sampling time, can obtain three bottles of liquid, they are positioned in the gas phase and liquid phase chromatograph analyze, can obtain the concentration of large molecular gas pollutant in the environment.
When human body was air-breathing, band muzzled 15, closed the first air inlet electromagnetic valve 5 and first solenoid valve 16 of giving vent to anger, and opened the second air inlet electromagnetic valve 8 and the 3rd air inlet electromagnetic valve 9.By air inlet anemoscope 7 and air intake duct internal diameter, can obtain inspiratory flow.Can obtain oxygen in the air amount, carbon dioxide, ammonia and particle concentration by the integrated detector 10 of air inlet oxygen/carbon dioxide/ammonia, the first corpuscular counter 11.Can obtain pressure and the humiture of air amount by Hygrothermograph 13, pressure gauge 14.
When human body was exhaled, when needs were measured the concentration of macromolecule gas in the expiration simultaneously, shut electromagnetic valve 12 and 21 was opened solenoid valve 16,20 and 23.Pressure and the humiture that can obtain exhaling by Hygrothermograph 13, pressure gauge 14.Can obtain particle, oxygen, carbon dioxide and ammonia concentration in the expiration by corpuscular counter 17, the integrated detector 19 of oxygen/carbon dioxide/ammonia.Exhale and pass through successively ice sample can 24, dry ice sample can 25 and liquid nitrogen sample can 26, then be discharged in the environment by outlet blower fan 27.Three bottles of liquid that three sample cans are obtained are positioned in the gas phase and liquid phase chromatograph to be analyzed, the concentration of large molecular gas pollutant in can obtaining exhaling.
When human body is exhaled, when not needing to measure the concentration of macromolecule gas in the expiration, close the 4th air inlet electromagnetic valve 12 and the 4th solenoid valve 23 of giving vent to anger, open first solenoid valve 16, second solenoid valve 20 and the 3rd solenoid valve 21 of giving vent to anger of giving vent to anger of giving vent to anger.As mentioned above, can record pressure, humiture and particle, oxygen, carbon dioxide and the ammonia concentration of expiration.
The measuring method of human body metabolic processes oxygen utilization is: when air-breathing, air arrives mouth mask 15 positions by air-breathing entrance 6 by air intake duct; During expiration, air reaches exhalation vents 22 by exhaust tube.The measurement of air-breathing middle oxygen concentration is finished by the integrated detector 10 of air inlet oxygen/carbon dioxide/ammonia; The measurement of oxygen concentration is finished by the integrated detector 19 of the oxygen/carbon dioxide of giving vent to anger/ammonia in the expiration.The wind speed accumulated value in time that inspiratory flow is measured by air inlet anemoscope 7 multiply by the air intake duct sectional area and obtains; The wind speed accumulated value in time that expiratory gas flow is measured by the anemoscope 18 of giving vent to anger multiply by the exhaust tube sectional area and obtains.By record in the certain hour air-breathing with exhale in the reduction of oxygen content, can obtain human body metabolic processes oxygen utilization in this time period, also can obtain in the human body respiration process oxygen demand with the graph of a relation of the process of breathing.
The measuring method that the human body respiration process produces moisture is: the breathing house steward who links to each other with mouth mask 15 Hygrothermograph 13 is set, can records temperature and the relative humidity of expiration and air-breathing Air.Can record expiration and pressure of inspiration(Pi) by pressure gauge 14.Can obtain water capacity by humiture and pressure.Air-breathing and the expiratory gas flow that is measured by front narration method again, can obtain the moisture of increase in air-breathing in the certain hour and the expiration, thereby know the moisture conditions that the human body respiration process produces, also can obtain in the human body respiration process moisture generation with the graph of a relation of the process of breathing.
The measuring method that the human body respiration process produces dusty gas is: human body respiration be surrounding air.Carbon dioxide and ammonia concentration measure by being arranged on air inlet oxygen/carbon dioxide on the air intake duct/integrated detector 10 of ammonia in the surrounding air; Large molecular gas pollutant levels are sent surrounding air into the first ice sample can 2, the first dry ice sample can 3 and the first liquid nitrogen sample can 4 successively by entrance blower fan 1 in the surrounding air, and the sample solution of acquisition is through gas phase or the large molecular gas pollutant levels of this class of liquid chromatograph Analysis deterrmination.The carbon dioxide that human body exhale to produce and ammonia concentration measure by being arranged on the oxygen/carbon dioxide of giving vent to anger on the exhaust tube/integrated detector 19 of ammonia; With expiration suction the second ice sample can 24, the second dry ice sample can 25 and the second liquid nitrogen sample can 26, the sample solution of acquisition is through gas phase or the large molecular gas pollutant levels of this class of liquid chromatograph Analysis deterrmination by entrance blower fan 27 for large molecular gas pollutant levels in the expiration.By the air-breathing and expiratory gas flow that front narration method measures, can obtain the content of carbon dioxide, ammonia and the large molecular gas pollutant of increase in air-breathing in the certain hour and the expiration, thereby know the dusty gas situation that the human body respiration process produces.
Particle in the measuring method that the human lung deposits number percent is: at air intake duct counting or the heavy concentration of meter that the first corpuscular counter 11 is measured particle in the inspiratory airflow is set, at exhaust tube counting or the heavy concentration of meter that the second corpuscular counter 17 is measured particle in the expiratory airflow is set.Air-breathing and the expiratory gas flow that measures by front narration method, can obtain air-breathing middle existence in the certain hour, air-breathing with exhale in the meter total quantity (corresponding nano particle, 0.1,0.3,0.5,1,3,5 and 10 μ m) directly of the particle gross mass (corresponding PM10, PM4, PM2.5 and PM1) that reduces or particle, thereby know that particle is at human lung's deposition number percent.
Air intake duct among the present invention and the open and close of exhaust tube, by the lower end at mouth mask 15 the pressure surge value that respiratory that pressure gauge 14 measures produces to be set, pressure gauge 14 is transferred to single-chip microcomputer with the force value signal of fluctuation, single-chip microcomputer judges to be air-breathing or exhalation process according to magnitude of voltage, and then begins to control corresponding solenoid valve 12 and solenoid valve 16.By the keying of control solenoid valve, realize separating and separately sampling of suction line and expiration pipeline.Suction line and expiration pipeline can carry out pipeline and switch: processor 28 is by the signal of signal wire reception pressure gauge 14, and the output voltage of pressure gauge 14 when not having pressure reduction is 0.25V; Pressure gauge 14 output voltages are breathing process when being 0.23V, and processor 28 sends instruction unpack the 4th air inlet electromagnetic valve 12 and cuts out simultaneously first solenoid valve 16 of giving vent to anger; Pressure gauge 14 output voltage values are exhalation process when being 0.27V, and processor 28 sends instruction and cuts out the 4th air inlet electromagnetic valve 12 and open simultaneously first solenoid valve 16 of giving vent to anger.
Corpuscular counter 11 among the present invention and corpuscular counter 17 can adopt meter footpath concentration and two kinds of methods of the heavy concentration of meter, and sampling probe carries out isokinetic sampling towards air-breathing and exhale flow path direction.

Claims (3)

1. a human body respiratory performance parameter detection apparatus is characterized in that, this device comprises suction line, expiration pipeline, breathes house steward and processor;
Described suction line comprises air-breathing entrance (6), air inlet anemoscope (7), the second air inlet electromagnetic valve (8), the 3rd air inlet electromagnetic valve (9), the integrated detector of air inlet oxygen/carbon dioxide/ammonia (10), the first corpuscular counter (11) and the 4th air inlet electromagnetic valve (12) that connects successively;
Described expiration pipeline comprises successively the first give vent to anger solenoid valve (16), the second corpuscular counter (17), the anemoscope of giving vent to anger (18), the integrated detector of the oxygen/carbon dioxide of giving vent to anger/ammonia (19), second give vent to anger solenoid valve (20), the 3rd give vent to anger solenoid valve (21), the exhalation vents (22) that connects;
Described breathing house steward comprises Hygrothermograph (13), pressure gauge (14) and the mouth mask (15) that connects successively, the inlet end of described Hygrothermograph (13) by three-way pipe respectively with the 3rd air inlet electromagnetic valve (12) be connected the solenoid valve (16) of giving vent to anger and be connected;
The signal input part of described processor (28) is connected with pressure gauge (14) by signal wire, signal output part by signal wire respectively with the 4th air inlet electromagnetic valve (12) be connected the solenoid valve (16) of giving vent to anger and be connected;
Pipeline between described the second air inlet electromagnetic valve (8) and the 3rd air inlet electromagnetic valve (9) also is connected with large minute sub sampling air inlet pipeline;
Described large minute sub sampling air inlet pipeline comprises entrance blower fan (1), the first ice sample can (2), the first dry ice sample can (3), the first liquid nitrogen sample can (4) and the first air inlet electromagnetic valve (5) that connects successively, and the endpiece of described the first air inlet electromagnetic valve (5) is connected with three-way pipe between the second air inlet electromagnetic valve (8) and the 3rd air inlet electromagnetic valve (9);
Described second give vent to anger the pipeline between the solenoid valve (21) of solenoid valve (20) and the 3rd of giving vent to anger also is connected with large minute sub sampling outlet pipe;
Described large minute sub sampling outlet pipe comprises the 4th give vent to anger solenoid valve (23), the second ice sample can (24), the second dry ice sample can (25), the second liquid nitrogen sample can (26) and export blower fan (27) that connects successively, and the described the 4th inlet end and second of giving vent to anger solenoid valve (23) three-way pipe that solenoid valve (20) and the 3rd gives vent to anger between the solenoid valve (21) of giving vent to anger is connected.
2. human body respiratory performance parameter detection apparatus according to claim 1, it is characterized in that, described air inlet oxygen, carbon dioxide, the integrated detector of ammonia (10) comprises air inlet oxygen probe (101), air inlet carbon dioxide probe (102), air inlet ammonia probe (103) and the first data collecting instrument (104), the signal input part of described the first data collecting instrument (104) respectively with described air inlet oxygen probe (101), air inlet carbon dioxide probe (102), air inlet ammonia probe (103) connects, and signal output part is connected with the first data terminal (105) by signal wire.
3. human body respiratory performance parameter detection apparatus according to claim 1, it is characterized in that, the described oxygen of giving vent to anger, carbon dioxide, the integrated detector of ammonia (19) comprises the oxygen probe (191) of giving vent to anger, go out air carbon dioxide probe (192), the ammonia of giving vent to anger probe (193) and the second data collecting instrument (194), the signal input part of described the second data collecting instrument (194) respectively with the described oxygen probe (191) of giving vent to anger, go out air carbon dioxide probe (192), the ammonia of giving vent to anger probe (193) connects, and signal output part is connected with described the second data terminal (195) by signal wire.
CN 201110431813 2011-12-21 2011-12-21 Human body respiratory performance parameter detection apparatus Expired - Fee Related CN102495202B (en)

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