CN103263301A - Controllable microenvironment flowing gas animal experiment cabin - Google Patents

Controllable microenvironment flowing gas animal experiment cabin Download PDF

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Publication number
CN103263301A
CN103263301A CN2013102491592A CN201310249159A CN103263301A CN 103263301 A CN103263301 A CN 103263301A CN 2013102491592 A CN2013102491592 A CN 2013102491592A CN 201310249159 A CN201310249159 A CN 201310249159A CN 103263301 A CN103263301 A CN 103263301A
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China
Prior art keywords
gas
module body
laboratory module
laboratory
installed
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CN2013102491592A
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Chinese (zh)
Inventor
范维林
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天津开发区合普工贸有限公司
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Priority to CN2013102491592A priority Critical patent/CN103263301A/en
Publication of CN103263301A publication Critical patent/CN103263301A/en

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Abstract

The invention provides a controllable microenvironment flowing gas animal experiment cabin which comprises a closed experiment cabin body, wherein an experimental animal and a temperature, humidity, pressure and oxygen concentration sensor group are placed and arranged on an air-permeable platform positioned in the closed experiment cabin body; the upper part of the cabin body is connected with a nitrogen gas source, an oxygen gas source and a compressed air source and controls gas proportion through a control valve; the compressed air source is provided with a temperature-reducing dehumidifier and an air supply filter; the experiment cabin body is provided with a humidifier and a heater; a gas inside the experiment cabin body is discharged through a flow regulating valve and a negative-pressure exhaust fan; a computer simulates different environments, such as a high-temperature environment, a low-temperature environment, a high-pressure environment, a low-pressure environment, a oxygen-rich environment, a low-oxygen environment, and the like by controlling inlet gas flows, gas concentration proportion and the parameters, such as temperature, humidity, oxygen concentration and the like, of an environment inside the experiment cabin body through a data line according to a preprogram to carry out a flowing gas animal experiment; and the parameters, such as an experiment process, a detection result, and the like, are stored or printed into a laboratory report. The controllable microenvironment flowing gas animal experiment cabin provided by the invention is widely applied to the scientific research fields of environment, medicine, military, avigation, and the like.

Description

Controlled subenvironment flowing gas animal experimental chamber

Technical field

The present invention relates to a kind of controlled subenvironment flowing gas animal experimental chamber.

Background technology

Relating to environment, medical science, military, in the scientific research in fields such as aviation, often need use a subenvironment condition with flowing gas and come high temperature in the simulating natural environment, low temperature, high pressure, low pressure, oxygen enrichment, human different reaction and the concrete protection effect of safeguard procedures in the varying environment conditions such as hypoxia, effect and parameter that gas flow in the simulating reality accurately need be arranged, to reach more and more deeply and careful achievement in research, but in the prior art general just simple with one fixedly cabin control simulate a fixedly subenvironment condition, control accuracy did not reach requirement when flowing environment was arranged, perhaps environment precision height can not keep continuing the flowing gas condition, can not accomplish both can maintain the constant gas that flows and enter and can fully accurately control environmental condition in the animal experimental chamber.This just can not satisfy the growing scientific research of present association area and experiment needs, hindered the deep development of correlational study, for the scientific experiments condition of precisely controlled subenvironment flowing gas condition at aspects such as human and animals, fundamentally solve the basic problem in the experimental design, a kind of research and development of experimental facilities of controlled subenvironment condition flowing gas have just become inevitable and have pressed for the project of research and development.

Summary of the invention

For solving the problem that exists in the above-mentioned technology, the purpose of this invention is to provide a kind of experimental facilities that can accurately control gas flow and can simulate the subenvironment condition.

For achieving the above object, technical scheme of the present invention provides a kind of controlled subenvironment flowing gas animal experimental chamber, comprise the airtight Laboratory Module body that a transparent material is made, movable door of its positive installation, the ventilative platform of the level that is equipped with in Laboratory Module body inside, can lay laboratory animal on it, be attached with temperature in laboratory animal, humidity, pressure, the sensor groups of oxygen concentration is connected to computer, Laboratory Module body top connects the nitrogen source of the gas, oxygen source, three kinds of sources of the gas of compressed air gas source and via control valve control gas with various induction air flow ratio and reach different gas ratios, compressed air gas source has cool-down dehumidification machine and gas supply filter, humidifier and warmer are installed on the Laboratory Module body, discharge gas in the body of cabin by flow control valve and negative pressure air exhauster, computer by data wire according to the programme-control charge air flow of finishing in advance, the gas concentration ratio, the temperature of environment in the cabin, humidity, parameters such as oxygen concentration are simulated high temperature, low temperature, high pressure, low pressure, oxygen enrichment, varying environments such as hypoxia are carried out the flowing gas zoopery, and laboratory report is stored or printed to parameters such as the process of experiment and testing result.

Its beneficial effect is: relating to environment, medical science, military, in the scientific research in fields such as aviation, provide a subenvironment condition with flowing gas to come high temperature in the simulating natural environment, low temperature, high pressure, low pressure, oxygen enrichment, the infrastructure device of the reaction that the mankind are different in the varying environment conditions such as hypoxia and the concrete protection effect of safeguard procedures, and can have effect and the parameter of gas flow in the simulating reality accurately, can reach and more and more go deep into and careful achievement in research, precisely controlled subenvironment flowing gas condition is in the scientific experiments condition of aspects such as human and animal, be used widely and favorable comment, fundamentally solve the basic problem in this type of scientific research and the experimental design, filled up blank.

Description of drawings

Accompanying drawing is the sketch map of structure of the present invention.

Among the figure:

1, cool-down dehumidification machine 2, gas supply filter 3, compressed air gas source 4, warmer

5, oxygen source 6, humiture pressure oxygen sensor groups 7, flow control valve 8, negative pressure air exhauster

9, computer 10, nitrogen source of the gas 11, humidifier 12, laboratory animal

13, ventilative platform 14, Laboratory Module body 15, control valve 16, movable door.

The specific embodiment

Reaching the present invention of embodiment by reference to the accompanying drawings is illustrated.

As shown in drawings, the invention provides a kind of controlled subenvironment flowing gas animal experimental chamber, comprise the airtight Laboratory Module body 14 that a transparent material is made, movable door 16 of its positive installation, ventilative platform 13 is installed in Laboratory Module body 14 inside, can lay laboratory animal 12 on it, be attached with humiture pressure oxygen sensor groups 6 in laboratory animal 12 and be connected to computer 9, Laboratory Module body 14 tops connect nitrogen source of the gas 10, three kinds of sources of the gas of oxygen source 5 and compressed air gas source 3 and via control valve 15 control gas with various induction air flow ratios and reach different gas ratios, compressed air gas source 3 has cool-down dehumidification machine 1 and gas supply filter 2, humidifier 11 and warmer 4 are installed on the Laboratory Module body 14, discharge gas in the body of cabin by flow control valve 7 and negative pressure air exhauster 8, computer 9 by data wire according to the programme-control charge air flow of finishing in advance, the gas concentration ratio, the temperature of environment in the cabin, humidity, parameters such as oxygen concentration are simulated high temperature, low temperature, high pressure, low pressure, oxygen enrichment, varying environments such as hypoxia are carried out the flowing gas zoopery, and laboratory report is stored or printed to parameters such as the process of experiment and testing result; Laboratory Module body 14 is combined by transparent materials such as glass or lucites, be divided into three major parts: top is conical structure circular under the last point, mid portion is cylinder type, the bottom is that point is gone up circular conical structure down, three parts are formed a closed cabin body that is similar to the egg shape, front design in the middle of the Laboratory Module body 14 of sealing have one can rotating open-close movable door 16, sealing joint strip can completely cut off the inside and outside when closing gas is installed between movable door 16 and the Laboratory Module body 14, and movable door 16 has loose-leaf to connect rotary opening closing and at door dead bolt is installed to be beneficial to locking movable door 16; Ventilative platform 13 is the planar sheet that has many passages that a resistant material is made, level is installed in Laboratory Module body 14 lower cone bodies and middle part cylinder intersection, which is provided with fixed mount and the cage tool mounting groove of laboratory animal 12, between the fixed mount of laboratory animal 12 and cage tool mounting groove, leave certain spacing to guarantee the unimpeded of gas flow, ventilative platform 13 indoor designs unique temperature controller, can be when needed laboratory animal 12 fixed mounts and cage tool be heated to reach the environment control of laboratory animal 12; Humiture pressure oxygen sensor groups 6 is formed airtight capsule structure by a waterproof material that is separately installed with air inlet/outlet at two ends, sucktion fan is installed in the gas outlet causes the gas of animal experimental chamber body 14 to pass in and out airtight capsule at any time, the sensor cluster that it is one that capsule inside is equipped with temperature sensor, humidity sensor, pressure transducer, four functions of oxygen concentration sensor, can guarantee during work that the numerical value of measuring is consistent with the environment in the Laboratory Module body, can protect the sensor in the capsule not bitten by animal again; Cool-down dehumidification machine 1 is a container that the corrosion-resistant Heat Conduction Material of sealing is made into, two ends, the left and right sides have air inlet/outlet at an upper portion thereof, air inlet is connected to control valve 15 and gas supply filter 2 back of compressed air gas source 3, the gas outlet is connected to Laboratory Module body 14 tops, fill full powder of stainless steel granule in the middle of the container, at container the semiconductor refrigerating element being installed can freeze at any time container is lowered the temperature, the hot-air that has moisture during by cool-down dehumidification machine 1 ice-cold powder of stainless steel granule in time reduce gas temperature and keep moisture simultaneously here, output be the compressed air of cold drying; Humidifier 11 is the supersonic atomizers that water storage flume is arranged, sealing is installed in the glass container, be respectively equipped with air inlet/outlet at the glass container two ends, the gas outlet is installed in Laboratory Module body 14 tops, air inlet is installed in Laboratory Module body 14 bottoms, ultrasonic atomizing device can start under computer 9 controls or close, have blower fan to drive the dampness gas flow that generates at the air inlet place and enter into the humidity that can regulate experimental situation in the Laboratory Module body 14, humidifier 11 all gas conduits link to each other with Laboratory Module body 14 and form the loop of an airtight gas flow; Warmer 4 is sealed being installed in the airtight canister of electronic heating device, the canister two ends are respectively equipped with air inlet/outlet, the gas outlet is installed in Laboratory Module body 14 tops, air inlet is installed in Laboratory Module body 14 bottoms, the electronic heating device can start under computer 9 controls or close, have blower fan to drive the gas flow of heating that generates at the air inlet place and enter into the temperature that can regulate experimental situation in the Laboratory Module body 14, warmer 4 all gas conduits link to each other with Laboratory Module body 14 and form the loop of an airtight gas flow; Compressed air gas source 3, nitrogen source of the gas 10 and oxygen source 5 control valve 15 by separately respectively are connected to Laboratory Module body 14 tops, open or close to reach the different air-flows of control at any time and form the purpose of gas with various ratio under the control of computer 9.

Embodiment:

During use, be ready to laboratory animal 12, put it in fixed mount or the cage tool, the power supply of connection equipment and computer 9, experimentally on computer 9 require good program prepared in advance, the parameters such as temperature, humidity, pressure and oxygen concentration of environment are set in charge air flow, gas concentration ratio, the Laboratory Module body 14 simulate required environment and carry out the flowing gas zoopery.Open the movable door 16 of Laboratory Module body 14 after setting is finished, fixed mount or cage tool are placed on the ventilative platform 13, locking movable door 16 guarantees sealing, begins to experimentize.When the parameter of the temperature in the Laboratory Module body 14 that humiture pressure oxygen sensor groups 6 records, humidity parameter and program setting is inconsistent, computer 9 controls warmers, humidifier startup or cuts out, carry out heating and moistening or stop, guaranteeing that the experimental situation parameter arranges consistent with program.It is inconsistent that pressure in the Laboratory Module body 14 that humiture pressure oxygen sensor groups 6 records and oxygen concentration and program arrange, when too high or too low, compressed air gas source 3 and oxygen source 5 are opened or closed to connect to computer control control valve 15, and the pressure of regulating in the Laboratory Module body 14 meets experimental requirements to reach the different air-flows of control and the purpose that forms the gas with various ratio with oxygen concentration; After experiment is finished, parameters such as the process of experiment and testing result are stored in 9 li in computer or print laboratory report, and closing device and computer power supply are opened flow control valve 7 and negative pressure air exhauster 8 and discharged the interior gas of cabin body then, take out laboratory animal 12, carry out next step scientific analysis.

Claims (8)

1. controlled subenvironment flowing gas animal experimental chamber, it is characterized in that: comprise the airtight Laboratory Module body (14) that a transparent material is made, its positive movable door (16) of installing, in Laboratory Module body (14) inside ventilative platform (13) is installed, can lay laboratory animal (12) on it, be attached with humiture pressure oxygen sensor groups (6) in laboratory animal (12) and be connected to computer (9), Laboratory Module body (14) top connects nitrogen source of the gas (10), three kinds of sources of the gas of oxygen source (5) and compressed air gas source (3) and via control valve (15) control gas with various induction air flow ratio and reach different gas ratios, compressed air gas source (3) has cool-down dehumidification machine (1) and gas supply filter (2), humidifier (11) and warmer (4) are installed on the Laboratory Module body (14), discharge gas in the body of cabin by flow control valve (7) and negative pressure air exhauster (8), computer (9) by data wire according to the programme-control charge air flow of finishing in advance, the gas concentration ratio, the temperature of environment in the cabin, humidity, parameters such as oxygen concentration are simulated high temperature, low temperature, high pressure, low pressure, oxygen enrichment, varying environments such as hypoxia are carried out the flowing gas zoopery, and laboratory report is stored or printed to parameters such as the process of experiment and testing result.
2. controlled subenvironment flowing gas animal experimental chamber according to claim 1, it is characterized in that: described Laboratory Module body (14) is combined by transparent materials such as glass or lucites, be divided into three major parts: top is conical structure circular under the last point, mid portion is cylinder type, the bottom is that point is gone up circular conical structure down, three parts are formed a closed cabin body that is similar to the egg shape, front design in the middle of the Laboratory Module body (14) of sealing have one can rotating open-close movable door (16), sealing joint strip can completely cut off the inside and outside when closing gas is installed between movable door (16) and the Laboratory Module body (14), and movable door (16) has loose-leaf to connect rotary opening closing and at door dead bolt is installed to be beneficial to locking movable door (16).
3. controlled subenvironment flowing gas animal experimental chamber according to claim 1, it is characterized in that: described ventilative platform (13) is the planar sheet that has many passages that a resistant material is made, level is installed in Laboratory Module body (14) lower cone body and middle part cylinder intersection, which is provided with fixed mount and the cage tool mounting groove of laboratory animal (12), between the fixed mount of laboratory animal (12) and cage tool mounting groove, leave certain spacing to guarantee the unimpeded of gas flow, ventilative platform (13) indoor design unique temperature controller, can be when needed laboratory animal (12) fixed mount and cage tool be heated to reach the environment control of laboratory animal (12).
4. controlled subenvironment flowing gas animal experimental chamber according to claim 1; it is characterized in that: described humiture pressure oxygen sensor groups (6) is formed airtight capsule structure by a waterproof material that is separately installed with air inlet/outlet at two ends; sucktion fan is installed in the gas outlet causes the gas of animal experimental chamber body (14) to pass in and out airtight capsule at any time; capsule inside is equipped with temperature sensor; humidity sensor; pressure transducer; the sensor cluster that four functions of oxygen concentration sensor are one; can guarantee during work that the numerical value of measuring is consistent with the environment in the Laboratory Module body, can protect the sensor in the capsule not bitten by animal again.
5. controlled subenvironment flowing gas animal experimental chamber according to claim 1, it is characterized in that: described cool-down dehumidification machine (1) is a container that the corrosion-resistant Heat Conduction Material of sealing is made into, two ends, the left and right sides have air inlet/outlet at an upper portion thereof, air inlet is connected to control valve (15) and gas supply filter (2) back of compressed air gas source (3), the gas outlet is connected to Laboratory Module body (14) top, fill full powder of stainless steel granule in the middle of the container, at container the semiconductor refrigerating element being installed can freeze at any time container is lowered the temperature, the hot-air that has moisture during by cool-down dehumidification machine (1) ice-cold powder of stainless steel granule in time reduce gas temperature and keep moisture simultaneously here, output be the compressed air of cold drying.
6. controlled subenvironment flowing gas animal experimental chamber according to claim 1, it is characterized in that: described humidifier (11) is a supersonic atomizer that water storage flume is arranged, sealing is installed in the glass container, be respectively equipped with air inlet/outlet at the glass container two ends, the gas outlet is installed in Laboratory Module body (14) top, air inlet is installed in Laboratory Module body (14) bottom, ultrasonic atomizing device can start under computer (9) control or close, have blower fan to drive the dampness gas flow that generates at the air inlet place and enter into the humidity that can regulate experimental situation in the Laboratory Module body (14), all gas conduits of humidifier (11) link to each other with Laboratory Module body (14) and form the loop of an airtight gas flow.
7. controlled subenvironment flowing gas animal experimental chamber according to claim 1, it is characterized in that: described warmer (4) is sealed being installed in the airtight canister of electronic heating device, the canister two ends are respectively equipped with air inlet/outlet, the gas outlet is installed in Laboratory Module body (14) top, air inlet is installed in Laboratory Module body (14) bottom, the electronic heating device can start under computer (9) control or close, have blower fan to drive the gas flow of heating that generates at the air inlet place and enter into the temperature that can regulate experimental situation in the Laboratory Module body (14), all gas conduits of warmer (4) link to each other with Laboratory Module body (14) and form the loop of an airtight gas flow.
8. controlled subenvironment flowing gas animal experimental chamber according to claim 1, it is characterized in that: described compressed air gas source (3), nitrogen source of the gas (10) and oxygen source (5) control valve (15) by separately respectively are connected to Laboratory Module body (14) top, open or close to reach the different air-flows of control at any time and form the purpose of gas with various ratio under the control of computer (9).
CN2013102491592A 2013-06-21 2013-06-21 Controllable microenvironment flowing gas animal experiment cabin CN103263301A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103461160A (en) * 2013-09-22 2013-12-25 傅江南 Cage for experimental cage-rearing SPF (specific pathogen free) tree shrew
CN105333908A (en) * 2015-12-03 2016-02-17 上海鸣励实验室科技发展有限公司 IVC system cage environment detection device and calibration method thereof
CN107303218A (en) * 2017-04-28 2017-10-31 上海旷视医疗科技有限公司 The security control of angle/sclera crosslinking technological and efficiency optimization system
CN110141396A (en) * 2019-05-24 2019-08-20 四川大学 A kind of hypoxia device for clinical zoopery

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CN102012415A (en) * 2010-04-28 2011-04-13 范维林 Material combustion smoke toxicity experiment device
CN102150628A (en) * 2011-03-30 2011-08-17 中国人民解放军第三○二医院 Animal experiment device for simulating summer-heat and damp environment
CN202366080U (en) * 2011-12-12 2012-08-08 潍坊华信氧业有限公司 Animal experimental chamber with low-oxygen environment
CN202406740U (en) * 2011-11-28 2012-09-05 中国人民解放军第三军医大学 Animal experiment simulator in wet and hot environment
CN202489043U (en) * 2012-02-17 2012-10-17 武汉海博瑞科技有限公司 Animal experiment device
CN203291035U (en) * 2013-06-21 2013-11-20 天津开发区合普工贸有限公司 Animal experiment module with controllable flowing gases in microenvironment

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Publication number Priority date Publication date Assignee Title
CN1617665A (en) * 2001-12-14 2005-05-18 财团法人大阪产业振兴机构 Animal breeding system and utilization of the system
CN2516130Y (en) * 2002-01-01 2002-10-16 江西医学院 Multifunction animal experiment table
CN101491477A (en) * 2009-03-10 2009-07-29 中国医学科学院阜外心血管病医院 Animal experiment device capable of providing intermittence low-oxygen environment
CN102012415A (en) * 2010-04-28 2011-04-13 范维林 Material combustion smoke toxicity experiment device
CN102150628A (en) * 2011-03-30 2011-08-17 中国人民解放军第三○二医院 Animal experiment device for simulating summer-heat and damp environment
CN202406740U (en) * 2011-11-28 2012-09-05 中国人民解放军第三军医大学 Animal experiment simulator in wet and hot environment
CN202366080U (en) * 2011-12-12 2012-08-08 潍坊华信氧业有限公司 Animal experimental chamber with low-oxygen environment
CN202489043U (en) * 2012-02-17 2012-10-17 武汉海博瑞科技有限公司 Animal experiment device
CN203291035U (en) * 2013-06-21 2013-11-20 天津开发区合普工贸有限公司 Animal experiment module with controllable flowing gases in microenvironment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103461160A (en) * 2013-09-22 2013-12-25 傅江南 Cage for experimental cage-rearing SPF (specific pathogen free) tree shrew
CN105333908A (en) * 2015-12-03 2016-02-17 上海鸣励实验室科技发展有限公司 IVC system cage environment detection device and calibration method thereof
CN107303218A (en) * 2017-04-28 2017-10-31 上海旷视医疗科技有限公司 The security control of angle/sclera crosslinking technological and efficiency optimization system
CN110141396A (en) * 2019-05-24 2019-08-20 四川大学 A kind of hypoxia device for clinical zoopery

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Application publication date: 20130828