CN110269721A - Big animal mouth and nose exposure system - Google Patents
Big animal mouth and nose exposure system Download PDFInfo
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- CN110269721A CN110269721A CN201810213914.4A CN201810213914A CN110269721A CN 110269721 A CN110269721 A CN 110269721A CN 201810213914 A CN201810213914 A CN 201810213914A CN 110269721 A CN110269721 A CN 110269721A
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- 241001465754 Metazoa Species 0.000 title claims abstract description 188
- 239000000443 aerosol Substances 0.000 claims abstract description 55
- 230000003068 static effect Effects 0.000 claims abstract description 34
- 238000005086 pumping Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 16
- 238000005070 sampling Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 claims description 3
- 229910052924 anglesite Inorganic materials 0.000 claims description 3
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- 238000002360 preparation method Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000011160 research Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 39
- 210000003414 extremity Anatomy 0.000 description 21
- 238000010586 diagram Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 3
- 241001494479 Pecora Species 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 231100000027 toxicology Toxicity 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 231100000727 exposure assessment Toxicity 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 210000004744 fore-foot Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000636 lethal dose Toxicity 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000008279 sol Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
- A61D7/04—Devices for anaesthetising animals by gases or vapours; Inhaling devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
- A61D2003/006—Appliances for supporting or fettering animals for operative purposes with leg or foot restraining means
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Husbandry (AREA)
- Anesthesiology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention provides a kind of big animal mouth and nose exposure systems.The big animal mouth and nose exposure system can include: aerosol generating device；Exposure aerosol diversity apparatus has gas supply static pressure chamber and pumping static pressure chamber；Gas supply static pressure chamber is connected to aerosol generating device；Multiple multi-functional fixed vehicles of animal, each multi-functional fixed vehicle of animal are configured to fixed animal；The import of multiple animal breath masks, each animal breath mask is connected to via pipeline with gas supply static pressure chamber；Each animal breath mask configurations are at the head for being mounted on animal fixed on the multi-functional fixed vehicle of an animal；The outlet of each animal breath mask is connected to via pipeline with pumping static pressure chamber.The big animal mouth and nose exposure system can be applied to big animal sucking exposure research, inhalation dose can not only be carried out accurately quantitative, big animal can also effectively be fixed, and can guarantee that big animal carries out effective sucking sample, exhalation exhaust gas, can produce good experiment effect.
Description
Technical field
The present invention relates to animal mouth and nose experimental technique fields, more particularly to a kind of big animal mouth and nose exposure system.
Background technique
In general, sucking toxicological experiment is the approach for simulating worker and resident's contact noxious material, to production operation ring
Industrial chemistry substance in border, the poisonous substance in the atmosphere of resident living area based on environmental contaminants carry out quiet formula or dynamic inhalation contamination,
Obtain the data of inhalation toxicology, including toxicity on inhalation (such as half lethal concentration, harmless activity) mechanism of action and reality
Test treatment as a result, be formulate in workshop air and in the atmosphere of residential block harmful substance important evidence.Currently, being to suck poison
It manages in relevant various scientific researches, more especially pair human health nuisance Quality Research, such as PM2.5, due to cannot
Directly or the mankind cannot be tested first, so often to use experimental animal to carry out sucking Exposure Assessment.Therefore, animal
Sucking exposing device has a wide range of applications in industry, agricultural, medicine, environmental pollution and military science research.However, existing
Sucking exposure experiment primarily directed to mouse etc., and there is no suitable sucking exposures to set for big animal such as dog, sheep etc.
Standby, specifically how carrying out mouth and nose exposure experiment to big animal is this field urgent problem to be solved.
Summary of the invention
The present invention is intended to provide a kind of big animal mouth and nose exposure system, can be applied to big animal, it can not only be to big
Animal is effectively fixed, and can guarantee that big animal is effectively sucked and breathed out, and can produce good experiment effect.
For this purpose, the present invention provides a kind of big animal mouth and nose exposure systems comprising
Aerosol generating device is configured to generate aerosol；
Exposure aerosol diversity apparatus has gas supply static pressure chamber and pumping static pressure chamber；The gas supply static pressure chamber and the gas are molten
Glue generating device connection, to receive the aerosol that the aerosol generating device generates；
Multiple multi-functional fixed vehicles of animal are set to the periphery of the exposed aerosol diversity apparatus, each more function of animal
It is capable of fixing vehicle and is configured to fixed animal；
Multiple animal breath masks, each animal breath mask have inlet and outlet；And each animal breath face
The import of cover is connected to via pipeline with the gas supply static pressure chamber；Each animal breath mask configurations are at being mounted on described in one
The head of fixed animal on the multi-functional fixed vehicle of animal；The outlet of each animal breath mask is via pipeline and the pumping
The connection of gas static pressure chamber.
Further, the exposed aerosol diversity apparatus includes bracket, aerosol allocation unit and gas sampling unit；
The aerosol allocation unit and gas sampling unit are mounted on the bracket, and the aerosol allocation unit is set to described
The top of gas sampling unit；The aerosol allocation unit has the gas supply static pressure chamber, and the aerosol allocation unit
Peripheral wall on be evenly equipped with multiple gas vents；The gas sampling unit has the pumping static pressure chamber, and the gas sampling
Multiple gas feeds are evenly equipped on the peripheral wall of unit.Further, the multi-functional fixed vehicle of each animal includes:
Vehicle frame, the vehicle frame is interior to have frame cavity；
Four limbs support device, with support baseboard, the support baseboard is set in the frame cavity, carries animal to hold in the palm
Four limbs；Position is adjustably mounted in the vehicle frame four limbs support device in the vertical direction；
Head fixing device, have for the neck ring across the animal neck, and in the vertical direction position adjustably with
And with respect to the horizontal plane adjustable angle site preparation is installed on the vehicle frame；With
Limbs fixing device is set to the top of the four limbs support device, and position is adjustably mounted in the vertical direction
In the vehicle frame, at least partly to limit the four limbs activity of animal.
Further, each animal breath mask includes housing, sealing device and air inlet-outlet device；
The head end of the housing is installed on the air inlet-outlet device；
The sealing device is set to the tail end of the housing；And
The air inlet-outlet device has central air induction channel and the outlet for the radial outside for being set to the central air induction channel logical
Road is passed through after animal breath so that the gas of the outflow gas supply static pressure chamber enters the housing from the central air induction channel
It is discharged from the outlet passageway to the pumping static pressure chamber.
Further, the air inlet-outlet device of each animal breath mask includes:
Medial side part, the medial side part has air inlet pipe portion, and projects outwardly out from the tail end periphery wall of the air inlet pipe portion
Gas portion；There is the central air induction channel in the air inlet pipe portion；The outlet passageway is formed in the outlet portion；With
Outer member is set in the medial side part, and limits between the periphery wall of the air inlet pipe portion, connects with the outlet passageway
Logical remittance air cavity, and the outer member also has the gas flow pass being connected to the remittance air cavity.
Further, protrusion is provided on the periphery wall in the outlet portion of the medial side part of each animal breath mask
Portion；
The head end of the housing of each animal breath mask has the bending part turned down to the housing radially inner side, and
The protruding portion of the animal breath mask and the outer member are sandwiched therebetween by the bending part；
Each animal breath mask further includes connection frame, and the connection frame has central hole, the central hole suit
The bending part in the outlet portion of the animal breath mask, and in the animal breath mask and described outer
Between side part；The connection frame of each animal breath mask is tied up by one and sets device and set the animal breath mask
It is placed in the head of corresponding animal.
Further, the connection frame of each animal breath mask includes the center with the central hole
Plate, and the multiple hooks extended outward from the circumferential edge of the median plate；And each described tie up sets device and includes:
Around neckstrap, the both ends around neckstrap are provided with velcro；
Multiple fixing belts, each fixing belt are extended perpendicularly out from the side around neckstrap, and each fixing belt
On be provided with multiple position adjustment holes, each fixing belt is installed on the extension by the position adjustment hole thereon
Hook.
Further, the sealing device of each animal breath mask is the flexible sheets made of elastic material,
The center of the flexible sheets has animal mouth insert port.
Further, each animal breath mask further include:
Plugging device is set to the animal mouth insert port of the sealing device；With
Jointing is set to the entrance in the central air induction channel of the air inlet-outlet device, and has Concentration Testing interface；
The big animal mouth and nose exposure system further includes multiple concentration detection apparatus, and each concentration detection apparatus is connected to one
A Concentration Testing interface.Further, the limbs fixing device includes two and is respectively arranged in the vehicle frame two sides
Fixed link, and it is installed on fixinig plate two fixed links and by flexible material；On the fixinig plate there are four settings
Cross leg holes；And the limbs fixing device closes the vehicle frame and is configured to make each fixed link that position can in the horizontal direction
It is installed on the top of the vehicle frame, adjustment to suspend animal in midair；
The head fixing device further includes mask support plate, is configured to the animal breath face that support is installed on the head of animal
Cover.
Big animal mouth and nose exposure system of the invention can be applied to big animal sucking exposure research, can not only be to sucking
Dosage carries out accurately quantitative, additionally it is possible to effectively be fixed to big animal, and can guarantee that big animal is effectively inhaled
Enter sample, exhalation exhaust gas, can produce good experiment effect.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic block diagram of big animal mouth and nose exposure system according to an embodiment of the invention；
Fig. 2 is the schematic diagram of big animal mouth and nose exposure system according to an embodiment of the invention；
Fig. 3 is the schematic diagram of the multi-functional fixed vehicle of animal in big animal mouth and nose exposure system shown in Fig. 1；
Fig. 4 is the schematic diagram of animal breath mask in big animal mouth and nose exposure system shown in Fig. 1；
Fig. 5 is the schematic cross sectional views of animal breath mask shown in Fig. 4；
Fig. 6 is to tie up the schematic diagram for setting device in big animal mouth and nose exposure system shown in Fig. 1.
Specific embodiment
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Fig. 1 is the schematic block diagram of big animal mouth and nose exposure system according to an embodiment of the invention.Such as Fig. 1 institute
Show, and referring to figs. 2 to Fig. 6, it may include aerosol that the embodiment of the invention provides a kind of big animal mouth and nose exposure systems
Device, exposure aerosol diversity apparatus 100, the multi-functional fixed vehicle 90 of multiple animals, multiple animal breath masks and aspiration pump one
Grade control cabinet 200.Aerosol generating device may include air compressor, aerosol generator, aerosol diluter.Aerosol is dilute
Releasing device is preferably vortex diluter.Aerosol generating device is configured to generate aerosol.Exposure aerosol diversity apparatus 100 can have
There are gas supply static pressure chamber and pumping static pressure chamber；Gas supply static pressure chamber is connected to aerosol generating device, to receive aerosol generating device
The aerosol of generation.Multiple multi-functional fixed vehicles 90 of animal may be disposed at the periphery of exposed aerosol diversity apparatus 100, Mei Gedong
The multi-functional fixed vehicle 90 of object is configured to fixed animal.Each animal breath mask has inlet and outlet；And each animal breath
The import of mask is connected to via pipeline with gas supply static pressure chamber；Each animal breath mask configurations are multi-functional at an animal is mounted on
The head of fixed animal on fixed vehicle 90；The outlet of each animal breath mask is connected to via pipeline with pumping static pressure chamber.It takes out
It is discharged after the exhaust gas filtering that gas static pressure chamber collects by aspiration pump.Aspiration pump can be vacuum pump.Control cabinet 200 can be used for big animal mouthful
The control of nose exposure system.
The big animal mouth and nose exposure system of the embodiment of the present invention when in use, is controlled using control cabinet 200, makes gas
Colloidal sol generating device generates aerosol, and the aerosol of generation enters gas supply static pressure chamber, then enters animal breath mask by the road,
Enter pumping static pressure chamber after animal breath, discharge is taken away by aspiration pump.Specifically, control cabinet is able to carry out the accurate control of flow
System, control sampling, controls the start and stop of pump, carries out the automatic control and adjustment (such as PID adjusting) of pressure difference and concentration, and realizes concentration
Control etc..
In some embodiments of the invention, exposure aerosol diversity apparatus 100 include bracket, aerosol allocation unit and
Gas sampling unit.Aerosol allocation unit and gas sampling unit are mounted on bracket, and aerosol allocation unit is set to useless
The top of gas collector unit.Aerosol allocation unit has gas supply static pressure chamber, and is evenly equipped on the peripheral wall of aerosol allocation unit
Multiple gas vents.Gas sampling unit has pumping static pressure chamber, and multiple gases are evenly equipped on the peripheral wall of gas sampling unit
Import.
In some embodiments of the invention, as shown in figure 3, in order to it is more preferable, more easily, more comfortable fixation animal,
Each multi-functional fixed vehicle 90 of animal may include the fixed dress of vehicle frame 91, four limbs support device 92, head fixing device 93 and four limbs
Set 94.There can be frame cavity in vehicle frame 91.Four limbs support device 92 has support baseboard 921.Support baseboard 921 is set to frame
Make somebody a mere figurehead it is intracavitary, can be used for supporting bracket carry animal four limbs.Position is adjustably mounted four limbs support device 92 in the vertical direction
In vehicle frame 91.Head fixing device 93 has for the neck ring 931 across animal neck, and position is adjustable in the vertical direction
Ground and with respect to the horizontal plane adjustable angle site preparation is installed on vehicle frame 91.That is the position of neck ring 931 is adjustable, not only can on
Under be adjusted to suitable height, and suitable angle can be turned to, with the head of preferably fixed animal, maintained the animal on easypro
Adaptive.Limbs fixing device 94 may be disposed at the top of four limbs support device 92, and position is adjustably pacified in the vertical direction
The movement of animal foot is limited, is maintained the animal on one at least partly to limit the four limbs activity of animal loaded on vehicle frame 91
The fixed position of a comparison.It is mountable on animal head to have animal breath mask in test, the multi-functional fixed vehicle 90 of the animal
It can prevent animals forepaws from taking off animal breath mask.
In some embodiments of the invention, vehicle frame 91 includes that four transverse bars, 911, four longitudinal rods 912 and four are perpendicular
To bar 913.Two transverse bars 911 are set to the lower part of four longitudinal rods 912, and other two transverse bar 911 is set to four and indulges
To the top of bar 912.Two longitudinal rods 912 are set to the lower part of four longitudinal rods 912, and other two longitudinal rod 912 is set to
The top of four longitudinal rods 912.Be provided in each vertical bar 913 along the vertical bar 913 length direction extension and in vehicle
Run through the second guide groove of the vertical bar 913 in the transverse direction of frame 91.
Four limbs support device 92 further includes four first fixed handles 923；Each first fixed handle 923 has hand-held part
With stud portion, support baseboard 921 is carried out with the threaded hole screwed on support baseboard 921 from corresponding second guide groove
Positioning is fixed.Head fixing device 93 further includes front apron 932 and two second fixed handles 933；Neck ring 931 is set to front
The top of plate 932；The bottom both ends of front apron 932 are provided with the first link block；Each second fixed handle 933 has hand-held
Portion and stud portion, to screw in the threaded hole on first link block to front apron 932 from corresponding second guide groove
It is fixed on the positioning.Limbs fixing device 94 includes two and is respectively arranged in the fixed link 941 of 91 two sides of vehicle frame, and is installed on
Two fixed links 941 and by the fixinig plate of flexible material 942；There are four cross leg holes for setting on fixinig plate 942.And four limbs are solid
Determining device 94 further includes the fixed handle 943 of four thirds；The fixed handle 943 of each third has hand-held part and screw division, so that
Screw division is passed through from the hole on corresponding second guide groove and a fixed link 941 screws in hand-held part to fixed link
941 are fixed on the positioning.
In some preferred embodiments of the invention, limbs fixing device 94 and vehicle frame 91 are configured to make each fixation
Position is adjustably mounted in the top of vehicle frame 91 bar 941 in the horizontal direction, to suspend animal in midair.Specifically, it is above-mentioned remaining two
A transverse bar 911(is set to two transverse bars 911 on the top of four longitudinal rods 912) in, it is provided on each transverse bar 911
The first guide groove that is extending along the length direction of the transverse bar 911 and running through the transverse bar 911 in the vertical direction.Often
The fixed handle 943 of a third is so that screw division pierces from the hole on corresponding first guide groove and a fixed link 941
Overwinding enters hand-held part and fixed link 941 is fixed on the positioning.When suspending animal in midair, make each fixed link 941 from the two of vehicle frame 91
Side is moved to the top of vehicle frame 91, easy to use；And four limbs support device 92 and head fixing device 93 can not use.Animal
When suspention, it can facilitate to animal blood was collected equal operation, further improve the diversified function of the multi-functional fixed vehicle 90 of animal,
Make multi-purpose content, it is convenient to use.
In some embodiments of the invention, in order to guarantee that animal breath is smooth, comfortable, also have on fixinig plate 942 and allow
Position hole, relief hole is in four and crosses between leg holes, and is in the lower section of animal thorax abdomen, can prevent animal breath from suffering oppression, and protects
Card breathing is smooth, also there is certain heat spreading function, improves test effect.The two sides of fixinig plate 942 can have installation set, Mei Gegu
The installation set of 941 fixinig plate of fixed pole, 942 side realizes that the connection between fixed link 941 and fixinig plate 942 is installed.
Some relatively feral animals or other animal movements are bigger in order to prevent, the upper side setting of support baseboard 921
Part 922 is set there are four tying up, part 922 is set to tie up the lower end of each leg of animal by belt etc. to be placed in one and tie up, sets in this way
Set the comfort for also guaranteeing animal as much as possible.For example, each tying up, to set part 922 can be ring-shaped article or cylindrical member etc..
In some embodiments of the invention, head fixing device 93 further includes mask support plate 934, is configured to support peace
The animal breath mask on the head loaded on animal can prevent animal breath mask due to itself weight to guarantee the comfort of animal
The breathing of power influence animal.Head fixing device 93 further includes front catch member, and neck ring 931 is installed on the upper end of front catch member, mask branch
The rear end of fagging 934 is adjustably mounted relative to 931 distance of neck ring in the front side of front catch member.Front catch member can be above-mentioned front apron
932, there are two third guide grooves for tool on front apron 932.There are two the second connections for the rear portion both ends setting of mask support plate 934
Block.Head fixing device 93 further includes two the 4th fixed handles, and each 4th fixed handle has hand-held part and stud portion, with
The threaded hole screwed on second link block from a corresponding third guide groove position to mask support plate 934 solid
It is fixed.First fixed handle 923, second fixes the fixed handle 943 of handle 933, third and the 4th fixed handle can be bolt star
Nut.
In some embodiments of the invention, neck ring 931 may include the lower half neck for being formed in or being fixed on front catch member upper end
Circle, and can be opened and closed to be set to the upper half neck ring on the upside of lower half neck ring.One end of upper half neck ring is rotatably installed on lower half
One end of neck ring, the other end of upper half neck ring are bolted in the other end of lower half neck ring.In some alternate embodiments, upper half neck
The both ends of circle are bolted in the both ends of lower half neck ring respectively.When using being spirally connected, it is provided on upper half neck ring and extends along the vertical direction
Through-hole, the corresponding position of lower half neck ring is provided with threaded hole, and screw passes through through-hole and screws in corresponding threaded hole.
In some embodiments of the invention, as shown in Figure 4 and Figure 5, each animal breath mask may include housing 20, into
Air-out apparatus 30 and sealing device 40.The head end of housing 20 is installed on air inlet-outlet device 30.Sealing device 40 is set to housing 20
Tail end.Air inlet-outlet device 30 has central air induction channel 311 and is set to the outlet of the radial outside in central air induction channel 311
Channel 312 is discharged after animal breath from outlet passageway 312 so that aerosol enters housing 20 from central inlet channel 311.
Animal breath mask when in use, can be such that housing 20 is inserted on animal mouth, such as sheep, horse, dog mouth on, center into
Aerosol etc. is accessed in gas channel 311, and outlet passageway 312 is connected to pumping static pressure chamber.Aerosol enters through central air induction channel 311
Housing 20 is taken away into outlet passageway 312 by aspiration pump by animal breath, gas and part aerosol of exhalation etc..Sealing dress
Setting 40 can be effectively prevented gas from the gap outflow between the tail end and animal of housing 20.Animal can be enable fully to suck
The tests gas such as aerosol, and can guarantee that air-flow flowing is smooth.
In some embodiments of the invention, the air inlet-outlet device 30 of each animal breath mask may include 31 He of medial side part
Outer member 32.Medial side part 31 has air inlet pipe portion, and projects outwardly outlet portion from the tail end periphery wall of air inlet pipe portion；Air inlet
There is central air induction channel 311 in pipe portion；Outlet passageway 312 is formed in outlet portion.Outer member 32 is set in medial side part 31, and
The remittance air cavity 321 limited between the periphery wall of air inlet pipe portion, being connected to outlet passageway 312, and outer member 32 also has and remittance
The gas flow pass that air cavity 321 is connected to.Setting can make the structure of air inlet-outlet device 30 simple in this way, convenient processing and manufacture, and
And the excellent performance of air inlet-outlet device 30 will not be influenced.Further, outlet passageway 312 includes multiple along central air induction channel
The through-hole that 311 axial direction extends, along being arranged circumferentially for central air induction channel 311.Each through-hole and central air induction are logical
The diameter ratio in road 311 is 1/12 to 1/8, and the quantity of through-hole is 8 to 12.
In some embodiments of the invention, protruding portion is provided on the periphery wall in the outlet portion of medial side part 31.Housing 20
Head end there is the bending part that turns down to 20 radially inner side of housing, and protruding portion and outer member 32 are sandwiched therebetween by bending part.
Specifically, the head end of outer member 32 is bolted in the periphery wall in outlet portion and/or the tail end of outer member 32 is bolted in air inlet pipe portion
Periphery wall.In order to guarantee sealing performance, the corresponding position of animal breath mask may be provided with the sealing element of the types such as sealing ring.
In some embodiments of the invention, each animal breath mask further includes connection frame 50, during connection frame 50 has
Central aperture hole, central hole are set in outlet portion, and between bending part and outer member 32.Connection frame 50 is configured to and is set to
Tying up on animal sets the cooperation of device 80, and animal breath mask is set on the head of animal.I.e. each animal breath mask
Connection frame is tied up by one and sets the head that the animal breath mask is set to corresponding animal by device 80, as shown in Figure 6.Specifically,
Connection frame 50 includes the median plate with central hole, and the multiple hooks extended outward from the circumferential edge of median plate.
Multiple hooks can be used for setting the hook of device 80 with tying up on animal head, tie up and set.For example, setting device as shown in figure 5, each tying up
80 can include: around neckstrap 81, be provided with velcro 83 around the both ends of neckstrap 81；Multiple fixing belts 82, each fixing belt 82 from
Side around neckstrap 81 extends perpendicularly out, and multiple position adjustment holes 821, each fixing belt are provided in each fixing belt 82
82 are installed on a hook by position adjustment hole 821 thereon.Specifically, the quantity of hook can be three or four, fixed
Quantity with 82 is preferably 3.Optionally, it links up with and the quantity of fixing belt 82 can be three or four.
In some embodiments of the invention, sealing device 40 is the flexible sheets made of elastic material, in flexible sheets
Centre has animal mouth insert port.Animal breath mask further includes plugging device 60 and jointing 70.Plugging device 60 can be stifled
Head is set to the animal mouth insert port of sealing device 40, to test just when machine trial operation or this position do not install animal
Often carry out.Jointing 70 may be disposed at the entrance in the central air induction channel 311 of air inlet-outlet device 30, with connection disengaging gas dress
Set 30 and exposure aerosol diversity apparatus 100.Particularly, jointing 70 can have Concentration Testing interface, to connect concentration inspection
Device is surveyed, can detect the concentration of aerosol into housing 20 etc..Big animal mouth and nose exposure system further includes multiple concentration inspections
Device is surveyed, each concentration detection apparatus is connected to a Concentration Testing interface.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of big animal mouth and nose exposure system characterized by comprising
Aerosol generating device is configured to generate aerosol；
Exposure aerosol diversity apparatus has gas supply static pressure chamber and pumping static pressure chamber；The gas supply static pressure chamber and the gas are molten
Glue generating device connection, to receive the aerosol that the aerosol generating device generates；
Multiple multi-functional fixed vehicles of animal are set to the periphery of the exposed aerosol diversity apparatus, each more function of animal
It is capable of fixing vehicle and is configured to fixed animal；
Multiple animal breath masks, each animal breath mask have inlet and outlet；And each animal breath face
The import of cover is connected to via pipeline with the gas supply static pressure chamber；Each animal breath mask configurations are at being mounted on described in one
The head of fixed animal on the multi-functional fixed vehicle of animal；The outlet of each animal breath mask is via pipeline and the pumping
The connection of gas static pressure chamber.
2. big animal mouth and nose exposure system according to claim 1, which is characterized in that
The exposed aerosol diversity apparatus includes bracket, aerosol allocation unit and gas sampling unit；
The aerosol allocation unit and gas sampling unit are mounted on the bracket, and the aerosol allocation unit is set to
The top of the gas sampling unit；
The aerosol allocation unit has the gas supply static pressure chamber, and is evenly equipped on the peripheral wall of the aerosol allocation unit more
A gas vent；
The gas sampling unit has the pumping static pressure chamber, and is evenly equipped with multiple gas on the peripheral wall of the gas sampling unit
Body import.
3. big animal mouth and nose exposure system according to claim 1, which is characterized in that each multi-functional fixation of animal
Vehicle includes:
Vehicle frame, the vehicle frame is interior to have frame cavity；
Four limbs support device, with support baseboard, the support baseboard is set in the frame cavity, carries animal to hold in the palm
Four limbs；Position is adjustably mounted in the vehicle frame four limbs support device in the vertical direction；
Head fixing device, have for the neck ring across the animal neck, and in the vertical direction position adjustably with
And with respect to the horizontal plane adjustable angle site preparation is installed on the vehicle frame；With；
Limbs fixing device is set to the top of the four limbs support device, and position is adjustably mounted in the vertical direction
In the vehicle frame, at least partly to limit the four limbs activity of animal.
4. big animal mouth and nose exposure system according to claim 1, which is characterized in that each animal breath mask packet
Include housing, sealing device and air inlet-outlet device；
The head end of the housing is installed on the air inlet-outlet device；
The sealing device is set to the tail end of the housing；And
The air inlet-outlet device has central air induction channel and the outlet for the radial outside for being set to the central air induction channel logical
Road is passed through after animal breath so that the gas of the outflow gas supply static pressure chamber enters the housing from the central air induction channel
It is discharged from the initial stage channel to the pumping static pressure chamber.
5. big animal mouth and nose exposure system according to claim 4, which is characterized in that each animal breath mask
The air inlet-outlet device includes:
Medial side part, the medial side part has air inlet pipe portion, and projects outwardly out from the tail end periphery wall of the air inlet pipe portion
Gas portion；There is the central air induction channel in the air inlet pipe portion；The outlet passageway is formed in the outlet portion；With
Outer member is set in the medial side part, and limits between the periphery wall of the air inlet pipe portion, connects with the outlet passageway
Logical remittance air cavity, and the outer member also has the gas flow pass being connected to the remittance air cavity.
6. big animal mouth and nose exposure system according to claim 5, which is characterized in that
Protruding portion is provided on the periphery wall in the outlet portion of the medial side part of each animal breath mask；
The head end of the housing of each animal breath mask has the bending part turned down to the housing radially inner side, and
The protruding portion of the animal breath mask and the outer member are sandwiched therebetween by the bending part；
Each animal breath mask further includes connection frame, and the connection frame has central hole, the central hole suit
The bending part in the outlet portion of the animal breath mask, and in the animal breath mask and described outer
Between side part；The connection frame of each animal breath mask is tied up by one and sets device and set the animal breath mask
It is placed in the head of corresponding animal.
7. big animal mouth and nose exposure system according to claim 6, which is characterized in that
The connection frame of each animal breath mask includes the median plate with the central hole, and from described
Multiple hooks that the circumferential edge of centre plate extends outward；And each described tie up sets device and includes:
Around neckstrap, the both ends around neckstrap are provided with velcro；
Multiple fixing belts, each fixing belt are extended perpendicularly out from the side around neckstrap, and each fixing belt
On be provided with multiple position adjustment holes, each fixing belt is installed on the extension by the position adjustment hole thereon
Hook.
8. big animal mouth and nose exposure system according to claim 4, which is characterized in that
The sealing device of each animal breath mask is the flexible sheets made of elastic material, in the flexible sheets
Centre has animal mouth insert port.
9. big animal mouth and nose exposure system according to claim 4, which is characterized in that each animal breath mask is also
Include:
Plugging device is set to the animal mouth insert port of the sealing device；With
Jointing is set to the entrance in the central air induction channel of the air inlet-outlet device, and has Concentration Testing interface；
The big animal mouth and nose exposure system further includes multiple concentration detection apparatus, and each concentration detection apparatus is connected to one
A Concentration Testing interface.
10. big animal mouth and nose exposure system according to claim 3, which is characterized in that
The limbs fixing device includes two and is respectively arranged in the fixed link of the vehicle frame two sides, and is installed on described in two
Fixed link and fixinig plate by flexible material；There are four cross leg holes for setting on the fixinig plate；And the limbs fixing device
It is configured to make each fixed link that position is adjustably mounted in the top of the vehicle frame in the horizontal direction with the vehicle frame
Portion, to suspend animal in midair；
The head fixing device further includes mask support plate, is configured to the animal breath face that support is installed on the head of animal
Cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213914.4A CN110269721A (en) | 2018-03-15 | 2018-03-15 | Big animal mouth and nose exposure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213914.4A CN110269721A (en) | 2018-03-15 | 2018-03-15 | Big animal mouth and nose exposure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110269721A true CN110269721A (en) | 2019-09-24 |
Family
ID=67958574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810213914.4A Pending CN110269721A (en) | 2018-03-15 | 2018-03-15 | Big animal mouth and nose exposure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110269721A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009125A (en) * | 2021-02-25 | 2021-06-22 | 中国科学院生态环境研究中心 | Breath metabolism measurement system |
| WO2022178752A1 (en) * | 2021-02-25 | 2022-09-01 | 中国科学院生态环境研究中心 | Expiratory metabolism measurement system |
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