CN201727512U - Open animal respiratory metabolism intake-exhaust flow measuring device - Google Patents
Open animal respiratory metabolism intake-exhaust flow measuring device Download PDFInfo
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- CN201727512U CN201727512U CN2010202128596U CN201020212859U CN201727512U CN 201727512 U CN201727512 U CN 201727512U CN 2010202128596 U CN2010202128596 U CN 2010202128596U CN 201020212859 U CN201020212859 U CN 201020212859U CN 201727512 U CN201727512 U CN 201727512U
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Abstract
An open animal respiratory metabolism intake-exhaust flow measuring device belongs to the technical field of animal respiratory metabolism experimental equipment. An outlet of a ball valve a in an air drying unit is connected with inlets of a ball valve b, a ball valve c, a ball valve d and a ball valve e in an air inflow measuring unit, outlets of a float flowmeter a, a float flowmeter b, a float flowmeter c, an electronic flow sensor a and a ball valve g are connected with an intake opening of an animal respiratory chamber, and an air outlet of the animal respiratory chamber is connected with inlets of a ball valve h, a ball valve i, a ball valve j and a ball valve k in an exhaust flow measuring unit. The device can substantially solve the problem of over high humidity in the animal respiratory chamber during an animal respiratory metabolism experiment, can reduce error of air flow L/min to the minimum by aid of the four small-flow float flowmeters and the electronic flow sensor, and is simple in structure, convenient in operation and low in cost, while weight of a measured animal ranges from 10 kg to 200 kg or from 50 kg to 1000 kg.
Description
Technical field
This utility model belongs to the technical field of animal breath metabolism experimental facilities, is specifically related to the determinator of animal breath metabolism intake and exhaust flows (L/min).
Background technology
In the past when doing the animal breath metabolic test, be that animal is placed on animal breath for a long time is indoor, it is indoor that the air of open air is fed animal breath, make gas that animal breathes out and outdoor air exchange after, measure consumption O
2Amount and generation CO
2Measure, and then blended gas is extracted out from the animal respiratory chamber.Yet the humidity of open-air has very big variation in Various Seasonal, and its excursion is at 15--98%, and animal also produces a large amount of steam in the respiratory metabolism process, makes the indoor humidity of animal breath greater than more than 98%.To enter animal breath indoor in order to solve outdoor malaria, reduces the indoor humidity of animal breath, often utilizes calcium chloride to dry.The shortcoming of the method is that test can obviously reduce humidity early stage, but increased again in later stage humidity, can not fundamentally solve and keep a normal humidity level for a long time, on the other hand because all there is certain error in the electronic flow pick off, no matter flow is big, still flow is little, and the general error of electronic flow pick off enters and expellant gas flow (L/min) so can not accurately measure when doing experiment all at ± 1.5% (full scale).
Summary of the invention
The purpose of this utility model is to provide a kind of and can fundamentally solves in animal breath metabolic test process, the indoor too high problem of humidity that exists of animal breath, the weight range of tested animal is wide, open animal breath metabolism intake and exhaust body flow rate-measuring device simple in structure, easy to operate and with low cost.
This utility model by air drying assembly I, advance air flow measurement assembly II, animal breath chamber III and extraction flow and measure the assembly IV and form, in the air drying assembly I outlet of ball valve a4 with advance air flow measurement assembly II in ball valve b5, ball valve c7, ball valve d9 be connected with the inlet of ball valve e11, advance the outlet of suspended body flowmeter a6, suspended body flowmeter b8 in the air flow measurement assembly II, suspended body flowmeter c10, electronic flow pick off a16 and the outlet of ball valve g14 and all be connected with the air inlet of animal breath chamber III; The gas outlet of animal breath chamber III and extraction flow measure that ball valve h17, ball valve i19, ball valve j21 are connected with the inlet of ball valve k23 in the assembly IV.
Air drying assembly I is made up of quiet oil-free air compressor 1, miniature heatless regeneration formula drying machine 2, air relief valve 3 and ball valve a4, the inlet of wherein quiet oil-free air compressor 1 and air communication, quiet oil-free air compressor 1, miniature heatless regeneration formula drying machine 2 and air relief valve 3 are connected in series, the outlet of air relief valve 3 is connected with the inlet of ball valve a4, and ball valve b5, ball valve c7, ball valve d9 are connected with the inlet of ball valve e11 in the outlet of ball valve a4 and the air flow measurement assembly II.
Air flow measurement assembly II is made up of ball valve b5, suspended body flowmeter a6, ball valve c7, suspended body flowmeter b8, ball valve d9, suspended body flowmeter c10, ball valve e11, suspended body flowmeter d12, ball valve f13, ball valve g14, filter a15 and electronic flow pick off a16, and wherein the inlet of ball valve b5, ball valve c7, ball valve d9 and ball valve e11 is connected with the outlet of ball valve a4 in the air drying assembly I; The gas outlet of ball valve b5, ball valve c7, ball valve d9 and ball valve e11 is connected with suspended body flowmeter a6, suspended body flowmeter b8, suspended body flowmeter c10 and the inlet of suspended body flowmeter d12 respectively; The gas outlet of suspended body flowmeter d12 is divided two strands, and wherein one inlet with ball valve f13 is connected, and another stock-traders' know-how ball valve g14 is connected with the inlet of electronic flow pick off a16 with filter a15; The outlet of suspended body flowmeter a6, suspended body flowmeter b8, suspended body flowmeter c10, electronic flow pick off a16 and the outlet of ball valve g14 all are connected with the air inlet of animal breath chamber III.
Extraction flow is measured the assembly IV by ball valve h17, suspended body flowmeter e18, ball valve i19, suspended body flowmeter f20, ball valve j21, suspended body flowmeter g22, ball valve k23, suspended body flowmeter h24, ball valve 125, ball valve m26, filter b27, electronic flow pick off b28 and air pump 29 are formed, ball valve h17 wherein, ball valve i19, the inlet of ball valve j21 and ball valve k23 is connected ball valve h17 with the gas outlet of animal breath chamber III, ball valve i19, the outlet of ball valve j21 and ball valve k23 respectively with suspended body flowmeter e18, suspended body flowmeter f20, suspended body flowmeter g22 is connected with the inlet of suspended body flowmeter h24; Suspended body flowmeter h24 outlet divides two strands, and wherein one is connected with ball valve m26 inlet, and another stock-traders' know-how ball valve 125 is connected with electronic flow pick off b28 inlet with filter b27; Suspended body flowmeter e18, suspended body flowmeter f20, suspended body flowmeter g22, electronic flow pick off b28 and ball valve m26 outlet all are connected with air pump 29 inlets.
Work process of the present utility model is as follows:
1. the mensuration of charge flow rate
When doing zoopery, g14 closes with ball valve, open ball valve f13, again respectively with the electric power starting of quiet oilless (oil free) compressor 1 and miniature heatless regeneration formula drying machine 2, regulate ball valve a4, ball valve b5, ball valve c7, ball valve d9 and ball valve e11 respectively according to the size (10-200kg) of experimental animal body weight then, make their gas flow reach consistent.After treating that gas flow L/min adjusts to needed value, close ball valve f13, open ball valve g14, at this moment electronic flow pick off a16 goes up the numerical value that shows, is single pass gas flow L/min under standard state.As, electronic flow pick off data presented is 30L/min, so final result calculated equals 30L/min * 4=120L/min, calculate gas flow after, g14 closes with ball valve, opens ball valve f13.
2. the mensuration of extraction flow
Principle is that extraction flow equates with charge flow rate, operating procedure is, ball valve 125 is closed, open ball valve m26 and air pump 29, regulate ball valve h17, ball valve i19, ball valve j21 and ball valve k23 respectively according to the size (10-200kg) of experimental animal body weight then, the body flow of bleeding that makes them is substantially with to advance air mass flow consistent.After treating that gas flow L/min adjusts to needed value.Close ball valve m26, open ball valve l25, again accurate adjustment ball valve h17, ball valve i19, ball valve j21 and ball valve k23, make they bleed the body flow with advance air mass flow consistent after, close ball valve 125, open ball valve m26, computational methods are identical with advancing air mass flow calculating method.
According to the experimental animal body weight at 10--200kg, originally need to use each one of electronics flow transducer 20--200L/min and suspended body flowmeter 0-200L/min, full scale error 200L/min * 1.5%=3L/min, use the electronic flow pick off of 5-50L/min and the suspended body flowmeter of 4 0-50L/min instead, its full scale error 50 * 1.5%=0.75L/min.
Substitute the effusion meter of a big flow with 4 low discharge suspended body flowmeters of parallel connection, make error reduce to minimum degree.
The electronic flow pick off costs an arm and a leg (about 8000 yuan), but can be connected with microcomputer; Suspended body flowmeter low price (about 120 yuan), but can not be connected with microcomputer.
Because the reasons in structure of electronic flow pick off in use, does not allow into any dust, so can not use for a long time.Therefore, to add a filter in it preposition in use.This filter will often be changed, that is to say during doing experiment, filter is often stopped up by dust, make electronic flow pick off cisco unity malfunction, therefore only come as the temporary transient instrument that edits gas flow with it, do like this and both saved filter, saved the time of changing filter again, make test continuous operation for a long time.
This utility model enters the indoor problem of animal breath for solving outdoor humid air, before the air admission, a cover gas drier is installed out of doors, and animal breath is indoor just to have become exsiccant air entering to make open-air.
Good effect of the present utility model is:
1. can fundamentally solve in the animal breath metabolic test process the indoor too high problem of humidity that exists of animal breath.
2. utilize suspended body flowmeter and an electronic flow pick off of 4 low discharges, the error of gas flow L/min can be dropped to minimum.
3. the weight range of tested animal is wide, is 10--200kg, amplifies 4 times in this way, can do the animal of 50--1000kg body weight.
4. simple in structure, easy to operate, with low cost.
Description of drawings
Fig. 1 is open animal breath metabolism intake and exhaust flow rate-measuring device structural representation
Wherein: I. air dry component II. air mass flow device assembly III. animal breath chamber IV. extraction flow is measured assembly 1. quiet oil-free air compressor 2. miniature heatless regeneration formula drying machine 3. pressure-reducing valves 4. ball valve a 5. ball valve b6. suspended body flowmeter a 7. ball valve c 8. suspended body flowmeter b 9. ball valve d 10. suspended body flowmeter c 11. ball valve e12. suspended body flowmeter d 13. ball valve f 14. ball valve g 15. filter a 16. electronic flow sensor a 17. ball valve h18. suspended body flowmeter e 19. ball valve I 20. suspended body flowmeter f 21. ball valve j 22. suspended body flowmeter g 23. ball valve k24. suspended body flowmeter h 25. ball valve l 26. ball valve m 27. filter b 28. electronic flow sensor b 29. aspiration pumps
The specific embodiment
This utility model by by air drying assembly I, advance air flow measurement assembly II, animal breath chamber III and extraction flow and measure the assembly IV and form, in the air drying assembly I outlet of ball valve a4 with advance air flow measurement assembly II in ball valve b5, ball valve c7, ball valve d9 be connected with the inlet of ball valve e11, advance the outlet of suspended body flowmeter a6, suspended body flowmeter b8 in the air flow measurement assembly II, suspended body flowmeter c10, electronic flow pick off a16 and the outlet of ball valve g14 and all be connected with the air inlet of animal breath chamber III; The gas outlet of animal breath chamber III and extraction flow measure that ball valve h17, ball valve i19, ball valve j21 are connected with the inlet of ball valve k23 in the assembly IV.
Air drying assembly I is made up of quiet oil-free air compressor 1, miniature heatless regeneration formula drying machine 2, air relief valve 3 and ball valve a4, the inlet of wherein quiet oil-free air compressor 1 and air communication, quiet oil-free air compressor 1, miniature heatless regeneration formula drying machine 2 and air relief valve 3 are connected in series, the outlet of air relief valve 3 is connected with the inlet of ball valve a4, and ball valve b5, ball valve c7, ball valve d9 are connected with the inlet of ball valve e11 in the outlet of ball valve a4 and the air flow measurement assembly II.
Air flow measurement assembly II is made up of ball valve b5, suspended body flowmeter a6, ball valve c7, suspended body flowmeter b8, ball valve d9, suspended body flowmeter c10, ball valve e11, suspended body flowmeter d12, ball valve f13, ball valve g14, filter a15 and electronic flow pick off a16, and wherein the inlet of ball valve b5, ball valve c7, ball valve d9 and ball valve e11 is connected with the outlet of ball valve a4 in the air drying assembly I; The gas outlet of ball valve b5, ball valve c7, ball valve d9 and ball valve e11 is connected with suspended body flowmeter a6, suspended body flowmeter b8, suspended body flowmeter c10 and the inlet of suspended body flowmeter d12 respectively; The gas outlet of suspended body flowmeter d12 is divided two strands, and wherein one inlet with ball valve f13 is connected, and another stock-traders' know-how ball valve g14 is connected with the inlet of electronic flow pick off a16 with filter a15; The outlet of suspended body flowmeter a6, suspended body flowmeter b8, suspended body flowmeter c10, electronic flow pick off a16 and the outlet of ball valve g14 all are connected with the air inlet of animal breath chamber III.
Extraction flow is measured the assembly IV by ball valve h17, suspended body flowmeter e18, ball valve i19, suspended body flowmeter f20, ball valve j21, suspended body flowmeter g22, ball valve k23, suspended body flowmeter h24, ball valve 125, ball valve m26, filter b27, electronic flow pick off b28 and air pump 29 are formed, ball valve h17 wherein, ball valve i19, the inlet of ball valve j21 and ball valve k23 is connected ball valve h17 with the gas outlet of animal breath chamber III, ball valve i19, the outlet of ball valve j21 and ball valve k23 respectively with suspended body flowmeter e18, suspended body flowmeter f20, suspended body flowmeter g22 is connected with the inlet of suspended body flowmeter h24; Suspended body flowmeter h24 outlet divides two strands, and wherein one is connected with ball valve m25 inlet, and another stock-traders' know-how ball valve l25 is connected with electronic flow pick off b28 inlet with filter b27; Suspended body flowmeter e18, suspended body flowmeter f20, suspended body flowmeter g22, electronic flow pick off b28 and ball valve m26 outlet all are connected with air pump 29 inlets.
Claims (4)
1. open animal breath metabolism intake and exhaust flow rate-measuring device, it is characterized in that by air drying assembly (I), advance air flow measurement assembly (II), animal breath chamber (III) and extraction flow are measured assembly (IV) and are formed, in the air drying assembly (I) outlet of ball valve a (4) with advance ball valve b (5) in the air flow measurement assembly (II), ball valve c (7), ball valve d (9) is connected with the inlet of ball valve e (11), advances suspended body flowmeter a (6) in the air flow measurement assembly (II), suspended body flowmeter b (8), suspended body flowmeter c (10), the outlet of the outlet of electronic flow pick off a (16) and ball valve g (14) all is connected with the air inlet of animal breath chamber (III); Assembly (IV) middle ball valve h (17), ball valve i (19) are measured with extraction flow in the gas outlet of animal breath chamber (III), ball valve j (21) is connected with the inlet of ball valve k (23).
2. by the described open animal breath metabolism intake and exhaust flow rate-measuring device of claim 1, it is characterized in that described air drying assembly (I) is by quiet oil-free air compressor (1), miniature heatless regeneration formula drying machine (2), air relief valve (3) and ball valve a (4) form, the inlet and the air communication of wherein quiet oil-free air compressor (1), quiet oil-free air compressor (1), miniature heatless regeneration formula drying machine (2) and air relief valve (3) are connected in series, the outlet of air relief valve (3) is connected with the inlet of ball valve a (4), ball valve b (5) in the outlet of ball valve a (4) and the air flow measurement assembly (II), ball valve c (7), ball valve d (9) is connected with the inlet of ball valve e (11).
3. by the described open respiratory metabolism intake and exhaust flow rate-measuring device of claim 1, it is characterized in that described air flow measurement assembly (II) is by ball valve b (5), suspended body flowmeter a (6), ball valve c (7), suspended body flowmeter b (8), ball valve d (9), suspended body flowmeter c (10), ball valve e (11), suspended body flowmeter d (12), ball valve f (13), ball valve g (14), filter a (15) and electronic flow pick off a (16) form, wherein ball valve b (5), ball valve c (7), the inlet of ball valve d (9) and ball valve e (11) is connected with the outlet of ball valve a (4) in the air drying assembly (I); The gas outlet of ball valve b (5), ball valve c (7), ball valve d (9) and ball valve e (11) is connected with suspended body flowmeter a (6), suspended body flowmeter b (8), suspended body flowmeter c (10) and the inlet of suspended body flowmeter d (12) respectively; The gas outlet of suspended body flowmeter d (12) is divided two strands, and wherein one inlet with ball valve f (13) is connected, and another stock-traders' know-how ball valve g (14) is connected with the inlet of electronic flow pick off a (16) with filter a (15); The outlet of suspended body flowmeter a (6), suspended body flowmeter b (8), suspended body flowmeter c (10), electronic flow pick off a (16) all is connected with the air inlet of animal breath chamber (III) with the outlet of ball valve g (14).
4. by the described open animal breath metabolism intake and exhaust flow rate-measuring device of claim 1, it is characterized in that described extraction flow mensuration assembly IV is by ball valve h (17), suspended body flowmeter e (18), ball valve i (19), suspended body flowmeter f (20), ball valve j (21), suspended body flowmeter g (22), ball valve k (23), suspended body flowmeter h (24), ball valve l (25), ball valve m (26), filter b (27), electronic flow pick off b (28) and air pump (29) are formed, ball valve h (17) wherein, ball valve i (19), the inlet of ball valve j (21) and ball valve k (23) is connected ball valve h (17) with the gas outlet of animal breath chamber III, ball valve i (19), the outlet of ball valve j (21) and ball valve k (23) respectively with suspended body flowmeter e (18), suspended body flowmeter f (20), suspended body flowmeter g (22) is connected with the inlet of suspended body flowmeter h (24); Suspended body flowmeter h (24) outlet divides two strands, and wherein one is connected with ball valve m (26) inlet, and another stock-traders' know-how ball valve l (25) is connected with electronic flow pick off b (28) inlet with filter b (27); Suspended body flowmeter e (18), suspended body flowmeter f (20), suspended body flowmeter g (22), electronic flow pick off b (28) and ball valve m (26) outlet all are connected with air pump (29) inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202128596U CN201727512U (en) | 2010-05-31 | 2010-05-31 | Open animal respiratory metabolism intake-exhaust flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202128596U CN201727512U (en) | 2010-05-31 | 2010-05-31 | Open animal respiratory metabolism intake-exhaust flow measuring device |
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| CN201727512U true CN201727512U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202128596U Expired - Fee Related CN201727512U (en) | 2010-05-31 | 2010-05-31 | Open animal respiratory metabolism intake-exhaust flow measuring device |
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| CN (1) | CN201727512U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760304A (en) * | 2014-01-08 | 2014-04-30 | 吉林省农业科学院 | Multifunctional gas analyzer for livestock |
| CN103784145A (en) * | 2014-01-22 | 2014-05-14 | 中国农业科学院饲料研究所 | Seven-channel small animal respiratory metabolism measuring device |
| CN110320942A (en) * | 2019-05-31 | 2019-10-11 | 吉林省农业科学院 | Open type animal breath calorimetric device |
| CN111449021A (en) * | 2019-06-14 | 2020-07-28 | 中国科学院水生生物研究所 | Device for measuring respiratory metabolism of artificially-fed whales |
-
2010
- 2010-05-31 CN CN2010202128596U patent/CN201727512U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760304A (en) * | 2014-01-08 | 2014-04-30 | 吉林省农业科学院 | Multifunctional gas analyzer for livestock |
| CN103784145A (en) * | 2014-01-22 | 2014-05-14 | 中国农业科学院饲料研究所 | Seven-channel small animal respiratory metabolism measuring device |
| CN110320942A (en) * | 2019-05-31 | 2019-10-11 | 吉林省农业科学院 | Open type animal breath calorimetric device |
| CN110320942B (en) * | 2019-05-31 | 2022-10-11 | 吉林省农业科学院 | Open-circuit animal breath heat measuring device |
| CN111449021A (en) * | 2019-06-14 | 2020-07-28 | 中国科学院水生生物研究所 | Device for measuring respiratory metabolism of artificially-fed whales |
| CN111449021B (en) * | 2019-06-14 | 2021-02-26 | 中国科学院水生生物研究所 | Device for measuring respiratory metabolism of artificially-fed whales |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20120531 |