CN103006226A - Device and method for determining breathing heat of livestock open type mask - Google Patents
Device and method for determining breathing heat of livestock open type mask Download PDFInfo
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- CN103006226A CN103006226A CN2012105245519A CN201210524551A CN103006226A CN 103006226 A CN103006226 A CN 103006226A CN 2012105245519 A CN2012105245519 A CN 2012105245519A CN 201210524551 A CN201210524551 A CN 201210524551A CN 103006226 A CN103006226 A CN 103006226A
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Abstract
The invention relates to a device and method for determining breathing heat produced by a livestock. The device for determining the breathing heat of a livestock open type mask is characterized by comprising components of a breathing mask, an exchanger, a pressure difference determining instrument, a data collecting instrument and the like, wherein the breathing mask is provided with an air inspiration pipeline and an air expiration pipeline, and the air inspiration pipeline and the air expiration pipeline are the same pipeline. The invention also provides a method for determining the breathing heat produced by the livestock. According to the device and the method, provided by the invention, the humiture and the pressure difference of the pipeline can be monitored in real time due to the adoption of the open type breathing mask, the breathing oxygen consumption of the livestock can be directly analyzed by adopting a precise oxygen analyzer, and data can be recorded and analyzed in real time as the data collecting instrument is directly connected with a computer. The oxygen consumption of the livestock per heartbeat can be calculated by combining the determination of the heart rate of the livestock according to a principle that the oxygen consumption per heartbeat of the livestock in normal grazing or barn feeding is stable and the determination of the oxygen consumption of the livestock in short time and the heart rate, and the heat production quantity of the livestock can be then calculated according to heart rate monitoring data of the livestock in 24 hours.
Description
Technical field
The present invention relates to a kind of domestic animal and breathe heat production determinator and calorimetric thereof.
Background technology
Measure at present domestic animal and breathe heat production, generally adopt closed-circulation type mask breath heat measurement device, this device is faced upward honest and clean (Feng Yanglian by Feng of China Agricultural University, the research of the new closed-circulation type mask of Mollison G.S.1985. breath heat measurement method. Beijing Agricultural University's journal, 1:7～78.) development, mask has air-breathing and two pipelines of exhaling, and adopts valve control turnover gas.Pipeline is connected on the airbag, and the steam that produces in the expiration absorbs with absorbent.O when measuring beginning and end by calculating in the airbag
2, CO
2, CH
4Gas componant poor calculated O
2Consumption and CO
2, CH
4Generation calculates quantity of heat production.Although the method is with low cost than the respiratory chamber assay method, shortcoming is to suck the impact that outside air or breath overflow face shield when being difficult to avoid domestic animal to breathe.And adopt inflation air pump to be difficult to continue the interior natural air pressure of imitation airbag, be difficult to guarantee the normal general breathing of domestic animal.In addition, this device needs the collection gaseous sample to carry out could calculating quantity of heat production after the lab analysis.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art, a kind of domestic animal open type mask breath heat measurement device is provided.The present invention adopts the open type respiratory mask, Real-Time Monitoring pipeline humiture and pressure reduction, and with accurate gas analyzer for O2 can the direct analysis domestic animal respiration oxygen consumption, data communication device is crossed data acquisition instrument and directly is connected the real time record analysis with computer.In conjunction with the domestic animal heart rate measurement, according to normal grazing or the stable principle of the every heart beating oxygen consumption of drylot feeding domestic animal, (mensuration of 15～20min) domestic animal oxygen expenditures and heart rate is calculated the every heart beating oxygen consumption of domestic animal according to the short time.Then according to the rhythm of the heart data computist livestock products heat (the 1 liter of oxygen that burns, release heat 20.47KJ) of domestic animal 24h.
For achieving the above object, the technical scheme that the present invention takes is: a kind of domestic animal open type mask breath heat measurement device, it is characterized in that including breathing mask, described breathing mask is provided with air-breathing and the expiration pipeline, and described air-breathing and expiration pipeline is a pipeline, also comprises exchanger, and described exchanger comprises that high pressure is directly managed, low pressure is directly managed, high pressure footpath pipe is arranged on an end of low pressure footpath pipe, and is connected with low pressure footpath pipe; Pipe is provided with pressure reduction analyzer air inlet link in the high pressure footpath, and pipe is provided with pressure reduction analyzer gas outlet link in the low pressure footpath; The other end of low pressure footpath pipe is connected by air pump connection tube and air pump; Described breathing mask is connected with the high pressure footpath pipe of exchanger by flexible pipe, is provided with the filtering and heating device at described flexible pipe; Also comprise the pressure reduction analyzer, the pressure reduction analyzer air inlet link of described exchanger is connected with the gas output tube of pressure reduction analyzer, the pressure reduction analyzer gas outlet link of described exchanger is connected with the gas inlet pipe of pressure reduction analyzer, and the pressure reduction analyzer is connected with the first collection terminal of data collecting instrument.The pipeline that described flexible pipe forms is described air-breathing and expiration pipeline.Described data collecting instrument links to each other with computer, the Real Time Monitoring image data, mensuration in conjunction with the domestic animal heart rate, mensuration domestic animal respiration oxygen consumption that can more convenient and quicker, and adopt air pump to bleed by breathing mask, can with the whole intake systems of domestic animal Exhaled gasesS, more meet the general breathing state estimating of domestic animal.
Also be provided with Temperature Humidity Sensor on the air pump connection tube of described exchanger, described Temperature Humidity Sensor is connected with the second collection terminal of data collecting instrument.
On the pipe of described low pressure footpath, also be provided with canned pump air inlet link, described canned pump air inlet link is connected with canned pump, exchanger is connected with gas analyzer for O2 by canned pump, and described gas analyzer for O2 is connected with the 3rd collection terminal of data collecting instrument.
The caliber of the low pressure footpath pipe of described exchanger is 42～46mm, and the caliber of the high pressure footpath pipe of described exchanger is 18～25mm.
Distance between the gas output tube of the gas inlet pipe of described pressure reduction analyzer and pressure reduction analyzer is 25～40cm.
The flow of described canned pump is 1～4mL/min, and power is 50～60HZ.
Described breathing mask comprises the rubber seal outer housing and is arranged on the interior plastic support duricrust of rubber seal outer housing, the intracavity inter-connection of described flexible pipe and plastic support duricrust.
The present invention also provides a kind of method of domestic animal open type mask breath heat measurement, and its main feature is that step is:
(1) makes domestic animal adapt to breathing mask 10～15 days before the test, adapt to 8～15 minutes every day;
(2) regulate gas analyzer for O2 and make zero, the canned pump that connects gas analyzer for O2 is in closed condition;
(3) allow domestic animal be with breathing mask, open air pump, the power of air pump is 800～1000 watts, and checks breathing mask sealing situation, and the bleeding regulating pump power makes pressure reduction analyzer data show stable;
(4) canned pump is opened, simultaneously, was carried out data acquisition gas analyzer for O2, pressure reduction analyzer and Temperature Humidity Sensor data 15～20 minutes by data collecting instrument, during measure the domestic animal heart rate, record test domestic animal title and testing time;
(5) close canned pump, remove breathing mask, save data;
Also comprise step:
(6) will there be poorly sealed situation for fear of system, 99.999% high pure nitrogen of known weight is passed through the breathing mask injected system, and again gathered respectively gas analyzer for O2, pressure reduction analyzer and Temperature Humidity Sensor data 10～15 minutes, METHOD FOR CONTINUOUS DETERMINATION 3 times, according to the nitrogen loss in weight, the computing system response rate, these data are used for proofreading and correct the quantity of heat production evaluation.
The invention has the beneficial effects as follows:
The present invention links to each other with computer by data collecting instrument, Real Time Monitoring image data, mensuration domestic animal respiration oxygen consumption that can more convenient and quicker.Adopt air pump to bleed by breathing mask, can be with the whole intake systems of domestic animal Exhaled gasesS, compare with closed-circulation type respiratory mask test set, the method short time is measured the domestic animal respiration oxygen consumption, calculate every heart beating oxygen consumption in conjunction with heart rate measurement, then according to 24h rhythm of the heart data computist livestock products heat, less to the domestic animal interference, measure the general breathing state that more meets domestic animal.
Description of drawings:
Fig. 1 closed-circulation type mask breath heat measurement apparatus structure sketch map;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of exchanger of the present invention;
Fig. 4 is the structural representation of breathing mask of the present invention.
Among the figure: 1. breathing mask, 2. flexible pipe, 3. exchanger, 4. air pump, 5. filtering and heating device, 6. data collecting instrument, 7. Temperature Humidity Sensor, 8. pressure reduction analyzer, 9. gas analyzer for O2,10. canned pump, 11 rubber seal outer housings, 12 plastic support duricrusts, 31 high pressure are directly managed, and 32 low pressure are directly managed, 33 air pump connection tubes, 34 pressure reduction analyzer air inlet links, 35 pressure reduction analyzer gas outlet links, 36 canned pump air inlet links
The specific embodiment
Below principle of the present invention and feature are described, institute only gives an actual example and to be used for explanation the present invention, is not be used to limiting scope of the present invention.
Embodiment 1: such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of domestic animal open type mask breath heat measurement device, include breathing mask 1, described breathing mask 1 is provided with air-breathing and the expiration pipeline, and described air-breathing and expiration pipeline is a pipeline, also comprises exchanger 3, and described exchanger 3 comprises that high pressure directly manages 31, low pressure directly manages 32, high pressure is directly managed 31 and is arranged on low pressure and directly manages an end of 32, and directly manages 32 with low pressure and be connected; Directly manage 31 at high pressure and be provided with pressure reduction analyzer air inlet link 34, directly manage 32 in low pressure and be provided with pressure reduction analyzer gas outlet link 35; Low pressure is directly managed 32 the other end and is connected by air pump connection tube 33 and air pump 4; Described breathing mask 1 is directly managed 31 by flexible pipe 2 with the high pressure of exchanger 3 and is connected, and is provided with filtering and heating device 5 at described flexible pipe 2; Also comprise pressure reduction analyzer 8, the pressure reduction analyzer air inlet link 34 of described exchanger is connected with the gas output tube of pressure reduction analyzer 8, the pressure reduction analyzer gas outlet link 35 of described exchanger is connected with the gas inlet pipe of pressure reduction analyzer 8, and pressure reduction analyzer 8 is connected with the first collection terminal of data collecting instrument 6.Also be provided with Temperature Humidity Sensor 7 on the air pump connection tube 33 of described exchanger 3, described Temperature Humidity Sensor 7 is connected with the second collection terminal of data collecting instrument 6.Directly manage in described low pressure and also to be provided with canned pump air inlet link 36 on 32, described canned pump air inlet link 36 is connected with canned pump 10, exchanger 3 is connected with gas analyzer for O2 9 by canned pump 10, and described gas analyzer for O2 9 is connected with the 3rd collection terminal of data collecting instrument 6.The caliber of the low pressure footpath pipe of described exchanger is 42～46mm, and the caliber of the high pressure footpath pipe of described exchanger is 18～25mm.Distance between the gas output tube of the gas inlet pipe of described pressure reduction analyzer and pressure reduction analyzer is 25～40cm.The flow of described canned pump is 1～4mL/min, and power is 50～60HZ.Described breathing mask 1 comprises rubber seal outer housing 11 and the plastic support duricrust 12 that is arranged in the rubber seal outer housing 11, the intracavity inter-connection of described flexible pipe 2 and plastic support duricrust 12.
Embodiment 2: identical with embodiment 1, the caliber of the low pressure footpath pipe of described exchanger is 42mm, and the caliber of the high pressure footpath pipe of described exchanger is 18mm.Distance between the gas output tube of the gas inlet pipe of described pressure reduction analyzer and pressure reduction analyzer is 25cm.The flow of described canned pump is 1mL/min, and power is 50HZ.
Embodiment 3: identical with embodiment 1, the caliber of the low pressure footpath pipe of different is described exchanger is 46mm, and the caliber of the high pressure footpath pipe of described exchanger is 25mm.Distance between the gas output tube of the gas inlet pipe of described pressure reduction analyzer and pressure reduction analyzer is 40cm.The flow of described canned pump is 4mL/min, and power is 60HZ.
Embodiment 4, and is identical with embodiment 1, and the caliber of the low pressure footpath pipe of different is described exchanger is 43mm, and the caliber of the high pressure footpath pipe of described exchanger is 21mm.Distance between the gas output tube of the gas inlet pipe of described pressure reduction analyzer and pressure reduction analyzer is 32cm.The flow of described canned pump is 2mL/min, and power is 55HZ.
Embodiment 7, and is identical with embodiment 1, and different is not comprise pressure reduction analyzer 8 and canned pump 10, gas analyzer for O2 9 parts.
Embodiment 8: the present invention also provides a kind of method of domestic animal open type mask breath heat measurement, and its main feature is that step is:
(1) makes domestic animal adapt to breathing mask 10～15 days before the test, adapt to 8～15 minutes every day;
(2) regulate gas analyzer for O2 and make zero, the canned pump that connects gas analyzer for O2 is in closed condition;
(3) allow domestic animal be with breathing mask, open air pump, the power of air pump is 800～1000 watts, and checks breathing mask sealing situation, and the bleeding regulating pump power makes pressure reduction analyzer data show stable;
(4) canned pump is opened, simultaneously, was carried out data acquisition gas analyzer for O2, pressure reduction analyzer and Temperature Humidity Sensor data 15～20 minutes by data collecting instrument, during measure the domestic animal heart rate, record test domestic animal title and testing time;
(5) close canned pump, remove breathing mask, save data;
Also comprise step:
(6) will there be poorly sealed situation for fear of system, 99.999% high pure nitrogen of known weight is passed through the breathing mask injected system, and again gathered respectively gas analyzer for O2, pressure reduction analyzer and Temperature Humidity Sensor data 10～15 minutes, METHOD FOR CONTINUOUS DETERMINATION 3 times, according to the nitrogen loss in weight, the computing system response rate, these data are used for proofreading and correct the quantity of heat production evaluation.
Comparative Examples:
Adopt this invention to record the growth Grazing Yak, 4 years old, 250 kilograms of body weight, the respiration oxygen consumption in summer (August) is 4.6～5.8mL/ (min*kgBW), quantity of heat production 715KJ/ (kg BW
0.75* day), be 3～3.8mL/ (min*kgBW) winter (December), quantity of heat production 415KJ/ (kg BW
0.75* day).Adopting this invention to convert to obtain Growing Yak quantity of heat production of going on a hunger strike is 274KJ/ (kg BW
0.75* day).Adopting closed-circulation type mask breath heat measurement device to measure 3 years old yak quantity of heat production of going on a hunger strike in spring is 312KJ/ (kgBW
0.75Day *) (Han Xingtai, Hu Linghao etc. the research of Growing Yak energy metabolism. Qinghai Animal Husbandry, 1993,1:13～16.).Since closed-circulation type mask breath heat measurement device can't the real time measure domestic animal at actual quantity of heat production of herding in the process of searching for food, therefore only measured the quantity of heat production of going on a hunger strike, and the quantity of heat production difference of going on a hunger strike that two kinds of methods record is not remarkable.
The present invention adopts air pump with the whole intake systems of domestic animal Exhaled gasesS, to avoid overflowing.Moisture absorption filtering and heating device can filter impurity and the excess moisture in the domestic animal Exhaled gasesS, and if pipeline length can also be incubated gas, avoid ambient temperature on the impact of breath.The pressure differential that the pressure reduction analyzer produces between the exchanger thickness pipe in can the Real-Time Monitoring pumping process, and be converted into standard pressure by Real-Time Monitoring humiture in the pipeline.The sealing peristaltic pump pumps into accurate gas analyzer for O2, the real time measure gassing oxygen content with in the extra heavy pipe other.Humiture, pressure reduction, oxygen data directly link to each other the Real Time Monitoring image data by data collecting instrument with computer.After measuring end, high pure nitrogen injects by breathing mask in system, and measures and inject front and back nitrogen qualitative change, the computing system response rate, correction data.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. domestic animal open type mask breath heat measurement device, it is characterized in that including breathing mask, described breathing mask is provided with air-breathing and the expiration pipeline, and described air-breathing and expiration pipeline is a pipeline, also comprise exchanger, described exchanger comprises that high pressure is directly managed, low pressure is directly managed, and high pressure footpath pipe is arranged on an end of low pressure footpath pipe, and is connected with low pressure footpath pipe; Pipe is provided with pressure reduction analyzer air inlet link in the high pressure footpath, and pipe is provided with pressure reduction analyzer gas outlet link in the low pressure footpath; The other end of low pressure footpath pipe is connected by air pump connection tube and air pump; Described breathing mask is connected with the high pressure footpath pipe of exchanger by flexible pipe, is provided with the filtering and heating device at described flexible pipe; Also comprise the pressure reduction analyzer, the pressure reduction analyzer air inlet link of described exchanger is connected with the gas output tube of pressure reduction analyzer, the pressure reduction analyzer gas outlet link of described exchanger is connected with the gas inlet pipe of pressure reduction analyzer, and the pressure reduction analyzer is connected with the first collection terminal of data collecting instrument.
2. domestic animal open type mask breath heat measurement device as claimed in claim 1 is characterized in that also being provided with Temperature Humidity Sensor on the air pump connection tube of described exchanger, and described Temperature Humidity Sensor is connected with the second collection terminal of data collecting instrument.
3. domestic animal open type mask breath heat measurement device as claimed in claim 1, it is characterized in that on the pipe of described low pressure footpath, also being provided with canned pump air inlet link, described canned pump air inlet link is connected with canned pump, exchanger is connected with gas analyzer for O2 by canned pump, and described gas analyzer for O2 is connected with the 3rd collection terminal of data collecting instrument.
4. domestic animal open type mask breath heat measurement device as claimed in claim 1 is characterized in that the caliber of the low pressure footpath pipe of described exchanger is 42～46mm, and the caliber of the high pressure footpath pipe of described exchanger is 18～25mm.
5. domestic animal open type mask breath heat measurement device as claimed in claim 1 is characterized in that the distance between the gas output tube of the gas inlet pipe of described pressure reduction analyzer and pressure reduction analyzer is 25～40cm.
6. domestic animal open type mask breath heat measurement device as claimed in claim 3, the flow that it is characterized in that described canned pump is 1～4mL/min, power is 50～60HZ.
7. such as the arbitrary described domestic animal open type mask breath heat measurement device of claim 1 to 6, it is characterized in that described breathing mask comprises the rubber seal outer housing and is arranged on the interior plastic support duricrust of rubber seal outer housing, the intracavity inter-connection of described flexible pipe and plastic support duricrust.
8. the method for a domestic animal open type mask breath heat measurement is characterized in that step is:
(1) makes domestic animal adapt to breathing mask 10～15 days before the test, adapt to 8～15 minutes every day;
(2) regulate gas analyzer for O2 and make zero, the canned pump that connects gas analyzer for O2 is in closed condition;
(3) allow domestic animal be with breathing mask, open air pump, the power of air pump is 800～1000 watts, and checks breathing mask sealing situation, and the bleeding regulating pump power makes pressure reduction analyzer data show stable;
(4) canned pump is opened, simultaneously, was carried out data acquisition gas analyzer for O2, pressure reduction analyzer and Temperature Humidity Sensor data 15～20 minutes by data collecting instrument, during measure the domestic animal heart rate, record test domestic animal title and testing time;
(5) close canned pump, remove breathing mask, save data.
9. the method for domestic animal open type mask breath heat measurement as claimed in claim 8 is characterized in that, also comprises step:
(6) will there be poorly sealed situation for fear of system, 99.999% high pure nitrogen of known weight is passed through the breathing mask injected system, and again gathered respectively gas analyzer for O2, pressure reduction analyzer and Temperature Humidity Sensor data 10～15 minutes, METHOD FOR CONTINUOUS DETERMINATION 3 times, according to the nitrogen loss in weight, the computing system response rate, these data are used for proofreading and correct the quantity of heat production evaluation.
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| CN201210524551.9A CN103006226B (en) | 2012-12-09 | 2012-12-09 | Device and method for determining breathing heat of livestock open type mask |
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| CN201210524551.9A CN103006226B (en) | 2012-12-09 | 2012-12-09 | Device and method for determining breathing heat of livestock open type mask |
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| CN103006226B CN103006226B (en) | 2015-03-04 |
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Cited By (5)
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| CN103340631A (en) * | 2013-07-02 | 2013-10-09 | 上海理工大学 | Maximum positive-negative pressure detecting device and detecting method |
| CN110320326A (en) * | 2019-05-31 | 2019-10-11 | 吉林省农业科学院 | The measuring method of gas reclaiming rate in respiratory metabolism cabin |
| CN110623670A (en) * | 2019-08-16 | 2019-12-31 | 浙江大学 | Split type respiration oxygen consumption real-time monitoring device |
| CN111407280A (en) * | 2020-03-10 | 2020-07-14 | 山东大学 | End-tidal CO of noninvasive ventilator2Monitoring device and method |
| CN111991670A (en) * | 2020-09-02 | 2020-11-27 | 杭州富阳万博空分设备有限公司 | Constant-temperature household oxygen generator and use method thereof |
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Cited By (5)
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