CN107374634A - New high-resolution human heat meter - Google Patents
New high-resolution human heat meter Download PDFInfo
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- CN107374634A CN107374634A CN201610681962.7A CN201610681962A CN107374634A CN 107374634 A CN107374634 A CN 107374634A CN 201610681962 A CN201610681962 A CN 201610681962A CN 107374634 A CN107374634 A CN 107374634A
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- 239000002516 radical scavenger Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- 230000004060 metabolic process Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 230000036284 oxygen consumption Effects 0.000 claims description 4
- 238000007707 calorimetry Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 description 10
- 230000002503 metabolic effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010061688 Barotrauma Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000011173 large scale experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Measuring devices for evaluating the respiratory organs
- A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Measuring devices for evaluating the respiratory organs
- A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
- A61B5/0833—Measuring rate of oxygen consumption
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Measuring devices for evaluating the respiratory organs
- A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
- A61B5/0836—Measuring rate of CO2 production
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/02—Calorimeters using transport of an indicating substances, e.g. evaporation calorimeters
- G01K17/025—Calorimeters using transport of an indicating substances, e.g. evaporation calorimeters where evaporation, sublimation or condensation caused by heating or cooling, is measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
- G01K17/08—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Combustion & Propulsion (AREA)
- Pulmonology (AREA)
- Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Obesity (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Psychiatry (AREA)
- Artificial Intelligence (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention provides a kind of new high-resolution human heat and counted, air inflow and capacity in its control chamber room, so as to measure energetic supersession amount in stable state.Set and temperature controlled secondary cavity (20) is carried out to the air taken in outside room by air conditioner.The supply fan (11) that air in secondary cavity (20) is sent into chamber (10) is set.Set and the air in chamber (10) is discharged to outdoor scavenger fan (12).A pair of D/C powers regulation meter (13,14) for the current value for controlling supply fan (11) and scavenger fan (12) respectively is set.The air inflow of air and a pair of mass flowmenters (15,16) of capacity in measurement control chamber (10) is set.Adjust the current value of D/C power regulation meter (13,14) so that the air inflow and capacity of each mass flowmenter (15,16) become identical.
Description
Technical field
The present invention relates to the N of the subject accommodated in continuous measurement chamber a kind of2、O2、CO2-44、CO2- 45, the gas such as Ar
The concentration of body is in terms of the new high-resolution human heat for measuring the energy consumption of subject or the amount of oxidation of energy substrate.
Background technology
Existing Studies of Human Body Heat gauge is that the previously proposed high-resolution human heat of the applicant counts (referenced patent document
1).Because the air pressure in setting chamber is identical with the air pressure of outside, the Studies of Human Body Heat gauge has following form：It is provided with to chamber
The air conditioner that interior temperature is controlled, the air conditioner possess the cooling using cooling water as cooling circulating water
Device, heating unit and the numeral instruction regulation meter that these machines are measured with control.To be blown in addition, there is provided more ventilations
Machine will have been carried out temperature controlled air by air conditioner and be sent into chamber.
Micro heat when the Studies of Human Body Heat gauge can measure feed in a short time etc., it is quiet when heat, sleep
When heat etc., it is possible to increase use the measurement accuracy of the metabolism apparatus for measuring amount of heat of chamber.And can extremely accurate it survey
Metabolism heat in daily life pattern etc. is measured, also has in recent studies on and can apply flexibly by the accurate metabolism calorimetry
High-precision function.
Prior art literature
Patent document
Patent document 1：No. 4591852 publications of Japanese Patent No.
The content of the invention
Problems to be solved by the invention
Existing Studies of Human Body Heat gauge use will carry out temperature controlled air by air conditioner and be sent directly into chamber
Interior composition.Consist of that will to have carried out temperature controlled air by air conditioner with more ventilations with pressure fan direct
It is sent into chamber.
However, the air in feeding chamber room needs that the air of temperature will be have adjusted with air conditioner always with constant stream
Amount supply.When due to intermittent air inlet make in metabolic test room it is temporarily more entered extraneous air when, suffer from this metabolism examination
Test the oxygen concentration (O of room2) uprise, and carbon dioxide (CO2) concentration step-down.Due to by the change in concentration of the slight air
When being measured for gas analyser or high-precision mass analyzer, temporary transient noise can be produced, so as to which problem can be produced.The air
Change in concentration energy consumption can be impacted.
Therefore, in order to solve this problem, it is necessary to develop new fluid system.Make measurement accuracy higher, it is necessary to accurate
Really control air inflow and capacity always constant with the air inflow in Control experiment room and capacity.
In addition, air conditioner is disposed in the interior the inside of ceiling by external Studies of Human Body Heat gauge now.I.e. have from
Dry before ceiling, enter from the system of same ceiling rear portion air inlet, its air for making to blow to interior from indoor ceiling
Row circulation.It is difficult to become uniform using the air-flow in this method room, because air can not be thoroughly mixed, temperature may be produced indoors
Error in terms of degree difference and air concentration.
Therefore, the present invention is innovated to solve above-mentioned problem, and the purpose is to provide one kind by controlling chamber
Interior air inflow and capacity, can make that the air circulation of interior is uniform, and the concentration of gas becomes uniform, and in stable state
The new high-resolution human heat meter of energetic supersession amount can be measured.
The method for solving problem
In order to achieve the above object, the composition of the 1st method of the invention is as follows：In the air inflow according to adjustment air and row
The oxygen consumption and carbon dioxide yield of the subject accommodated in the chamber 10 of tolerance measures the metabolism of subject
Energetic supersession apparatus for measuring amount of heat in, possess following composition：Secondary cavity 20, it is entered with air conditioner to the air taken in outside room
Trip temperature controls；Supply fan 11, it will carry out temperature controlled air in secondary cavity 20 and be sent into chamber 10；Scavenger fan
12, it discharges the air in chamber 10 outdoor；A pair of D/C powers regulation meter 13,14, its control respectively supply fan 11 and
The current value of scavenger fan 12；A pair of mass flowmenters 15,16, it is used for the air inflow and the exhaust that measure the air in chamber 10
Amount；Also, adjust the current value of D/C power regulation meter 13,14, with cause air inflow that each mass flowmenter 15,16 represents and
Capacity becomes identical.
The composition of 2nd method is as follows：Make the outside in the feeding secondary cavity 20 in the outside setting of the secondary cavity 20
The temperature of air and the temperature for the room air discharged out of described secondary cavity 20 carry out the total-heat exchanger 30 of heat exchange, pass through
The total-heat exchanger 30 causes the temperature of extraneous air to be sent into air in the secondary cavity 20 backward close to the temperature of room air.
The composition of 3rd method is as follows：Set in the chamber 10 from bottom aspirate air in the chamber 10 and from
The self air conditioner 40 of top discharge, by the air inlet and exhaust of the self air conditioner 40, makes the chamber
The concentration of gas in 10 becomes uniform.
The composition of 4th method is as follows：Design temperature and humidity in chamber 10 are the temperature for the living environment for meeting people's inhabitation
The advance program setting of the environmental condition of degree and humidity.
In 5th method, possesses the new quality of high accuracy that analysis precision is 0.001% in the quality analysis in chamber 10
Analysis meter.
Invention effect
Technique according to the invention scheme 1, its composition are as follows.With with air conditioner to outside room take in air enter trip temperature
The secondary cavity 20 of control.With the supply fan 11 that temperature controlled air will have been carried out in secondary cavity 20 be sent into chamber 10.
With the scavenger fan 12 that the air in chamber 10 is discharged to open air.With control supply fan 11 and scavenger fan 12 respectively
Current value a pair of D/C powers regulation meter 13,14.A pair of air inflow and capacity with the air in measurement chamber 10
Mass flowmenter 15,16.The current value of regulation D/C power regulation meter 13,14 makes the air inlet that each mass flowmenter 15,16 represents
Amount and capacity become identical.By above-mentioned composition, control makes air quantity delivered in feeding secondary cavity 20 and from the row of chamber 10
The air capacity gone out is identical, the pressure difference in secondary cavity 20 and chamber 10 is always 0, becomes constant pressure environment.
As a result, due to being constant pressure environment in chamber 10, interior is not revealed, and turning into will not be to metabolic test room gas
The environment that concentration impacts.In addition, by air inlet and the setting of exhaust, even large-scale experiment room also can accurately control air inlet
And exhaust, it is thus possible to the experiment room environmental of small volume is made.In addition, do not become for the chamber interior volume for calculating energetic supersession
Change, the precision of measurement becomes very high.
According to technical scheme 2, total-heat exchanger 30 is arranged on the outside of secondary cavity 20, is made by the total-heat exchanger 30 outer
The temperature of portion's air is sent into air close to after the temperature of room air into secondary cavity 20.Drastically change in the temperature of extraneous air
In the state of also can strongly suppress temperature change in secondary cavity 20, the temperature difference in secondary cavity 20 is maintained at less journey
Degree.
According to technical scheme 3, the air out of bottom suction chamber 10 is set in chamber 10 and discharged from bottom only
Vertical type air conditioner 40, due to the air inlet and exhaust by self air conditioner 40, the concentration of the gas in chamber 10
Become uniform, the measurement accuracy of energy consumption further improves.Also can be tested further, since there is no temperature difference in chamber
Person provides livability good high-precision metabolic test room.
According to technical scheme 4, Studies of Human Body Heat gauge generally enters the metabolism examination of pedestrian under stationary temperature and damp condition
Test.Because the living environment of actual persons has the change of the temperature difference on daytime and evening or the temperature difference on daytime, develop and people
Living environment compare, the program of metabolic test can be carried out under accurate environment.Living environment is accurately reproduced to people's
Influence, can carry out energetic supersession experiment caused by internal environment.Due to the design temperature and the composition of humidity in chamber 10
It is the advance program setting for the temperature and humidity for meeting extraneous air, such external environment condition can be accurately reproduced, that is, occupied
The external environment condition that firmly environment can impact in the indoor environment of a daily variation to the internal environment of people.As a result, can
The experimental study that the environment of progress steady temperature and the different metabolism to people of surroundings impact.
According to technical scheme 5, for the quality analysis in chamber 10, because possessing the height that analysis precision is 0.001%
The new mass analyzer of precision, therefore can be with the micro energy consumption of higher precision measure.
According to the present invention it is possible to control air inflow in chamber 10 and capacity and make gas by making indoor air circulation
The even concentration of body, so as to accurately measure energetic supersession amount in stable state.
Brief description of the drawings
Fig. 1 is the skeleton diagram for representing apparatus of the present invention.
Fig. 2 is the skeleton diagram of the stirring for the air for representing the chamber in the present invention.
Fig. 3 is to represent every to the data in 24 hours to be automatically processed every other hour and carry out EE, RQ, VO2, VCO2
The example of parsing per minute.
Fig. 4 is the example that the algorithm of corresponding changes in exterior air carries out extraneous air processing in 1 hour.
Embodiment
Hereinafter, refer to the attached drawing illustrates to the embodiment of the present invention.Apparatus of the present invention are to measure the metabolism heat of subject
Metabolism apparatus for measuring amount of heat, especially, according to the oxygen consumption of the subject accommodated in chamber and carbon dioxide
Discharge rate measures metabolism heat.As the main composition of the present invention, possess chamber 10 and secondary cavity 20 and supply fan 11
With scavenger fan 12,13,14 and mass flowmenter 15,16 are counted in addition, being also equipped with D/C power and adjusting.
Chamber 10 is made up of the independent high-air-tightness house for accommodating subject.Because chamber 10 is to use made of steel plate absolutely
Hot type panel sectional forms, and the bound fraction of each panel uses the sealing processing mode of silica gel sealing to hold air-tightness.In addition, set
It is identical with the air pressure of outside to determine the air pressure in chamber 10.
There is following form i.e. in secondary cavity 20：Temperature control is carried out to the air taken in outside room with air conditioner, and it is right
Temperature controlled air will have been carried out to be sent into the supply fan 11 of chamber 10 and the air in chamber 10 is discharged to outdoor exhaust
Fan 12 is controlled.
In the present invention, a pair of D/C powers of the current value for controlling supply fan 11 and scavenger fan 12 respectively are provided with
Regulation meter 13,14.On the other hand, a pair of the mass measured to the air inflow and capacity of the air in chamber 10 are provided with
Flowmeter 15,16.Also, with by D/C power regulation count 13,14 and mass flowmenter 15,16 make air pressure in chamber 10 and
Outside air pressure identical is formed.I.e. have control D/C power regulation meter 13,14 current value and make each mass flowmenter 15,
16 air inflows represented and capacity are adjusted to identical composition.
In addition, if the air supplied into chamber 10 can not be thoroughly mixed with the air of interior, the air in chamber 10
Concentration can produce error, the error can cause big influence to energy consumption.Therefore, in the present invention, in chamber 10
Inside possesses self air conditioner 40 so that the air-flow of substantially uniformity is circulated (with reference to figure 1) in the chamber 10.
Self air conditioner 40 is to control temperature in chamber 10, the device of humidity exactly, and it is by from bottom
Air in suction chamber 10 is simultaneously discharged from top, makes the concentration of the gas in chamber 10 become uniform.In exemplary plot, because
Possess fan 17, humidifier 18, heating unit 19 and cooler 22, the control of these equipment is entered by Mersure Controler 3
OK.
Cooler 22 makes cooling water be circulated in cooler bin by cooling unit 21, so as to control the temperature of cooler 22 permanent
It is fixed.For example, making water temperature control the cooling water at 5 degree ± 0.1 degree Celsius to be circulated in cooling unit 21, pass through so as to cool down
Air in the chamber 10 of cooling unit 21.
The temperature that heating unit 19 is used in heating chamber 10.Moreover, by measuring control cooling unit 21 and air conditioner
22 measurement control unit 3 controls cooling unit 21, air conditioner 22, the temperature in chamber 10 is kept constant.
Discharge due to the air aspirated from the bottom of self air conditioner 40 and from top, fan 17 makes in chamber 10
Air circulated, so as to control the temperature and humidity of room air constant.Before the fan 17 equipped with can on bottom left
The flabellum of right adjustment, so as to more efficiently carry out air circulation.Further, since there are the more air quantity formulas of die mould using more
Fan 17, carry out changing wind by VFC, thus turn into the adjustment mode for not producing temperature difference indoors.As a result,
The uniform environment of no gas concentration difference is formed in chamber 10, temperature humidity, air concentration stabilize, realize from during peace and quiet to
The environment of the even concentration of chamber indoor gas during motion.
Humidifier 18 is prepared for the humidity in accurate control chamber room 10.The humidifier 18 wishes there is such as phase
For arranges value 50%, less than ± 1% precision (A levels control in environmental test chamber's is less than ± 3%).By using such
Humidifier 18, the high-precision humid control in chamber 10 can be realized.In addition, using steam-type humidifier 18, due to adding
Sterilization is boiled when wet, forms the clean steam spray not comprising bacterium, white powder, this is in the indoor environment of chamber 10
Experiment using people as object is most suitable.In addition, in Fig. 1, it is cold to be also equipped with computer 1, controller 2, room outdoor air conditioner machine
The grade of condenser 4 is other to be formed.
On the other hand, secondary cavity 20 is that the air taken in outside room is carried out into temperature controlled room with air conditioner, and it will be outer
After the temperature of portion's air is adjusted to steady temperature, air is sent into chamber 10 by D/C power regulation meter.In secondary cavity 20
Air conditioner 23 is provided with, air is simultaneously sent into chamber 10 by the extraneous air taken in control secondary cavity 20 with constant basis.Showing
In illustration, the outside of secondary cavity 20 is provided with total-heat exchanger 30.
Total-heat exchanger 30 is that the temperature of extraneous air and the temperature for the chamber air discharged from secondary cavity 20 are carried out
The device of heat exchange, it adjusts the temperature of extraneous air and air is sent into chamber 10 after controlling temperature constant.Moreover, even if
It is the situation that the temperature of extraneous air greatly deviates from the temperature in secondary cavity 20, by the total-heat exchanger 30, improves secondary chamber
Temperature control efficiency in room 20.
The composition of design temperature and humidity in chamber 10 is the advance of the change for the temperature and humidity for meeting extraneous air
Program setting, it has the function of reproducing and meet and change in one day of the temperature and humidity in living environment.Moreover, according to image
Panel control interface sets temperature, humidity, the environmental condition of time, can set the minimum interval temperature of 1 hour and wet
Degree.For example, being arranged on daytime, rise from indoor temperature in the morning to afternoon, from dusk to night, dawn mercury dropped.In addition,
During sleeping at night, indoor Wen Duxiajiang can also carry out metabolic test.Accordingly, in the interior daily life all changed daily
Under living environment, metabolic test can be more accurately carried out.
The oxygen consumption of influx and subject when amount of oxygen in chamber 10 is by taking a breath determines, similarly, two
The rate of change of oxidation concentration of carbon is determined by the carbon dioxide inflow amount from extraneous air and the carbon dioxide yield of subject.
Therefore, in order to critically adjust the air inflow of the air in chamber 10 and capacity, in flow control, possess not by temperature and
The mass flowmenter 15,16 of the measurement mass flow of effects of air pressure (with reference to figure 1).The mass flowmenter 15,16 is with each list
Measured in high precision as 0.5% error of the flow of position time.
For the new mass analyzer 50 of high accuracy in chamber 10, preparation be analysis precision be 0.001% it is high-precision
Spend mass analyzer (with reference to figure 1).Existing Studies of Human Body Heat gauge uses the mass analyzer that precision is 0.002%
(the Prima dB of Thermo companies production).Especially, the high accuracy that the present invention uses analysis precision to be 0.001% is new
Mass analyzer (Thermo companies produce, product entitled Prima Pro, Prima BT).Carry out what is accurately stablized simultaneously
Isotope CO2- 45 measurement.
In addition, existing Studies of Human Body Heat gauge is to carry out parsing with a species algorithm simultaneously.Moreover, can be 24 because being
The algorithm used in the metabolic test of hour, uses Henning algorithms.However, the Henning algorithms can not tackle it is short
The parsing of the motion of time.In recent years, have by the metabolic test of short time to parse the experimental study demand of motion.Therefore,
Henning algorithms can calculate the algorithm of the Brown methods of moving average of the energy consumption of short time plus use, for from short
Time moves to prolonged metabolic test and can tackled (with reference to figure 3).
In addition, the calculating of existing energy consumption is the O according to extraneous air2、CO2Concentration and the people of metabolic test room
Get in the O of post consumption2With caused CO2Concentration difference try to achieve.In this case, if in Time constant alternately
Extraneous air, the room air of measurement, then data are intermittent, therefore can not carry out the evaluation of continuous data.In addition, with point
When analysis meter alternately measures extraneous air and room air, analysis precision is also very low.It is therefore, constant before usually measurement experiment
Extraneous air and being averaged when the extraneous air of time and off-test, then used in energy balane in being tested
Extraneous air concentration.But the concentration of extraneous air changes with the setting condition of device.Due to such influence,
Consumption of energy amount is influenceed when solving micro energy consumption, caused by changes in exterior air to change.Therefore, according to every
The new changes in exterior air type algorithm calculating formula of energy consumption hourly is solved after hour measurement extraneous air, calculation can be made
Method corresponds to changes in exterior air, so as to more accurately solve energy consumption (with reference to figure 4).
In addition, the present invention is not limited to exemplary plot, on the premise of spirit of the scope of the present invention is not changed, can arbitrarily carry out each
The setting change of inscape, the replacing of material and change of purposes etc..
Symbol description
1 computer
2 controllers
3 measurement control units
4 room outdoor air conditioner machine condensers
10 chambers
11 supply fans
12 scavenger fans
13 D/C powers regulation meter
14 D/C powers regulation meter
15 mass flowmenters
16 mass flowmenters
17 fans
18 humidifiers
19 heating units
20 secondary cavities
21 cooling units
22 coolers
23 air conditioners
30 total-heat exchangers
40 self air conditioners
The 50 new mass analyzers of high accuracy.
Claims (5)
1. a kind of new high-resolution human heat meter, is institute in the chamber being adjusted according to the air inflow and capacity of air
The oxygen consumption and carbon dioxide yield of the subject of receiving fills to measure the energetic supersession calorimetry of subject's metabolism
Put, it is characterised in that there is following composition,
Secondary cavity, it carries out temperature control by air conditioner to the air sucked outside room；
Supply fan, it will carry out temperature controlled air in the secondary cavity and be sent into chamber；
Scavenger fan, it discharges the air in chamber outdoor；
A pair of D/C power regulation meters, it controls the current value of supply fan and scavenger fan respectively；
A pair of mass flowmenters, the air inflow and capacity of its test chamber room air；And
By adjusting the current value of D/C power regulation meter, the air inflow for representing each mass flowmenter is identical with capacity.
2. new high-resolution human heat meter according to claim 1, has following composition,
The temperature for the extraneous air for making to enter in the secondary cavity is set in the outside of the secondary cavity and out of described secondary cavity
The temperature of the room air of discharge carries out the total-heat exchanger of heat exchange, and the temperature of extraneous air is made by the total-heat exchanger
Close to after the temperature of room air, the air inlet into the secondary cavity.
3. new high-resolution human heat meter according to claim 1, has following composition,
Set in the chamber from bottom and aspirate the air in the chamber and the self air conditioner discharged from top,
The concentration of the gas in the chamber is set to become uniform by the air inlet and exhaust of the self air conditioner.
4. new high-resolution human heat meter according to claim 1, has following composition,
Design temperature and humidity in the chamber have carried out program setting, reproduce variation of the living environment in one day.
5. new high-resolution human heat meter according to claim 1, it is characterised in that
As the mass analyzer in the chamber, possesses the new mass analyzer of high accuracy that analysis precision is 0.001%.
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| JP2016098360A JP6335969B2 (en) | 2016-05-17 | 2016-05-17 | Next generation high analysis human calorimeter |
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| CN114831624A (en) * | 2022-03-30 | 2022-08-02 | 海尔(深圳)研发有限责任公司 | Method and device for determining human body metabolism, air conditioner and storage medium |
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| JP2007167170A (en) * | 2005-12-20 | 2007-07-05 | Fuji Ika Sangyo Kk | High-analytical human calorie meter |
| JP2013111072A (en) * | 2011-12-01 | 2013-06-10 | Dyna Air Kk | Cultivation space airconditioning system, method for controlling the same, and cultivation space airconditioning method |
| CN104114088A (en) * | 2011-12-06 | 2014-10-22 | 太康股份公司 | Estimation of energy expenditure |
| WO2016050911A1 (en) * | 2014-10-04 | 2016-04-07 | Fischer Analysen Instrumente Gmbh | 13c breath test for checking the gastrointestinal function and/or metabolic functions and device therefor |
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| CN107374634B (en) | 2021-06-01 |
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| WO2017199452A1 (en) | 2017-11-23 |
| KR101910019B1 (en) | 2018-10-19 |
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