CN208693531U - Big animal mouth and nose exposure system - Google Patents
Big animal mouth and nose exposure system Download PDFInfo
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- CN208693531U CN208693531U CN201820357143.1U CN201820357143U CN208693531U CN 208693531 U CN208693531 U CN 208693531U CN 201820357143 U CN201820357143 U CN 201820357143U CN 208693531 U CN208693531 U CN 208693531U
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Abstract
The utility model provides a kind of big animal mouth and nose exposure system.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 utility model 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 examination
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
The exposure experiment of sucking mouth and nose primarily directed to mouse etc., and suitable exposure device is not present for big animal such as dog, sheep etc.,
Specifically how carrying out mouth and nose exposure experiment to big animal is this field urgent problem to be solved.
Utility model content
The utility model is intended to provide a kind of big animal mouth and nose exposure system, can be applied to big animal, can not only
Big animal is effectively fixed, and can guarantee that big animal is effectively sucked and breathed out, can produce good experiment
Effect.
For this purpose, the utility model provides a kind of big animal mouth and nose exposure system 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 with it is described
Aerosol 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 animal
Multi-functional fixed vehicle is configured to fixed animal；
Multiple animal breath masks, each animal breath mask have inlet and outlet；And each animal exhales
The import for inhaling mask is connected to via pipeline with the gas supply static pressure chamber；Each animal breath mask configurations are at being mounted on 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 institute
State pumping static pressure chamber connection.
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, is carried with support dynamic
The four limbs of object；Position is adjustably mounted in the vehicle frame four limbs support device in the vertical direction；
Head fixing device has for the neck ring across the 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 the vehicle frame；With
Limbs fixing device is set to the top of the four limbs support device, and position is adjustably in the vertical direction
It is installed on 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 is set to going out for the radial outside in the central air induction channel
Gas channel, so that the gas of the outflow gas supply static pressure chamber enters the housing from the central air induction channel, by animal breath
It is discharged by 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 have air inlet pipe portion, and the outside projection of tail end periphery wall from the air inlet pipe portion
Outlet 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, is logical with the outlet
The remittance air cavity of road connection, 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 turned down to the housing radially inner side
Portion, 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
It is set in the outlet portion of the animal breath mask, and the bending part and institute in the animal breath mask
It states between outer member；The connection frame of each animal breath mask is tied up by one and sets device for the animal breath face
It is provide with the head for being placed in 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 described solid
Surely it takes and is provided with multiple position adjustment holes, each fixing belt is installed on an institute by the position adjustment hole thereon
State 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 connects with Concentration Testing
Mouthful；
The big animal mouth and nose exposure system further includes multiple concentration detection apparatus, each concentration detection apparatus connection
In a Concentration Testing interface.
Further, the limbs fixing device includes two fixed links for being respectively arranged in the vehicle frame two sides, and
It is installed on fixinig plate two fixed links and by flexible material；There are four cross leg holes for setting on the fixinig plate；And institute
It states limbs fixing device and the vehicle frame is configured to be adjustably mounted each fixed link position in the horizontal direction
In the top of the vehicle frame, to suspend animal in midair；
The head fixing device further includes mask support plate, is configured to the animal breath that support is installed on the head of animal
Mask.
The big animal mouth and nose exposure system of the utility model can be applied to big animal sucking exposure research, can not only be right
Inhalation dose carries out accurately quantitative, additionally it is possible to effectively be fixed to big animal, and it is effective to guarantee that big animal carries out
Sucking sample, exhalation exhaust gas, can produce good experiment effect.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.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
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic block diagram according to the big animal mouth and nose exposure system of an embodiment of the present invention；
Fig. 2 is the schematic diagram according to the big animal mouth and nose exposure system of an embodiment of the present 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 accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Fig. 1 is the schematic block diagram according to the big animal mouth and nose exposure system of the utility model one embodiment.Such as Fig. 1
It is shown, and referring to figs. 2 to Fig. 6, it may include that gas is molten that the utility model embodiment, which provides a kind of big animal mouth and nose exposure system,
Glue generating device, exposure aerosol diversity apparatus 100, the multi-functional fixed vehicle 90 of multiple animals, multiple animal breath masks and pumping
Air pump and control cabinet 200.Aerosol generating device may include air compressor, aerosol generator, aerosol diluter.Gas
Colloidal sol diluter is preferably vortex diluter.Aerosol generating device is configured to generate aerosol.Exposure aerosol diversity apparatus
100 can have gas supply static pressure chamber and pumping static pressure chamber；Gas supply static pressure chamber is connected to aerosol generating device, to receive aerosol hair
The aerosol that generating apparatus generates.Multiple multi-functional fixed vehicles 90 of animal may be disposed at the periphery of exposed aerosol diversity apparatus 100,
Each multi-functional fixed vehicle 90 of animal is configured to fixed animal.Each animal breath mask has inlet and outlet；And it is each dynamic
The import of object breathing mask is connected to via pipeline with gas supply static pressure chamber；Each animal breath mask configurations are at being mounted on an animal
The head of fixed animal on multi-functional fixed vehicle 90；The outlet of each animal breath mask connects via pipeline and pumping static pressure chamber
It is logical.It is discharged after the exhaust gas filtering that pumping static pressure chamber collects by aspiration pump.Aspiration pump can be vacuum pump.Control cabinet 200 can be used for greatly
The control of animal mouth and nose exposure system.
The big animal mouth and nose exposure system of the utility model embodiment when in use, is controlled using control cabinet 200,
Aerosol generating device is set to generate aerosol, the aerosol of generation enters gas supply static pressure chamber, then enters animal breath by the road
Mask enters pumping static pressure chamber after animal breath, takes discharge away by aspiration pump.Specifically, control cabinet is able to carry out the essence of flow
Really control, 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
Centralized control etc..
In some embodiments of the utility model, exposure aerosol diversity apparatus 100 includes bracket, aerosol distribution list
Member and gas sampling unit.Aerosol allocation unit and gas sampling unit are mounted on bracket, the setting of aerosol allocation unit
In the top of gas sampling unit.Aerosol allocation unit has gas supply static pressure chamber, and on the peripheral wall of aerosol allocation unit
It is furnished with multiple gas vents.Gas sampling unit has pumping static pressure chamber, and is evenly equipped on the peripheral wall of gas sampling unit multiple
Gas feed.
In some embodiments of the utility model, as shown in figure 3, dynamic in order to more preferably, more easily, more comfortablely fix
Object, each multi-functional fixed vehicle 90 of animal may include that vehicle frame 91, four limbs support device 92, head fixing device 93 and four limbs are fixed
Device 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
In frame cavity, it can be used for the four limbs that supporting bracket carries animal.Four limbs support device 92 in the vertical direction adjustably pacify by position
Loaded on vehicle frame 91.Head fixing device 93 has for the neck ring 931 across animal neck, and position is adjustable in the vertical direction
Site preparation 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 may be used
It is adjusted to suitable height up and down, and suitable angle can be turned to, with the head of preferably fixed animal, maintains the animal on
Comfort.Limbs fixing device 94 may be disposed at the top of four limbs support device 92, and position is adjustably in the vertical direction
It is installed on vehicle frame 91, at least partly to limit the four limbs activity of animal, that is, the movement of animal foot is limited, maintains the animal on
One relatively more fixed position.It is mountable on animal head to have animal breath mask in test, the multi-functional fixed vehicle of the animal
90 can prevent animals forepaws from taking off animal breath mask.
In some embodiments of the utility model, vehicle frame 91 includes four transverse bars, 911, four longitudinal rods 912 and four
A vertical 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
The top of a longitudinal rod 912.Two longitudinal rods 912 are set to the lower part of four longitudinal rods 912, and other two longitudinal rod 912 is set
It is placed in the top of four longitudinal rods 912.Be provided in each vertical bar 913 along the vertical bar 913 length direction extension and
Run through the second guide groove of the vertical bar 913 in the transverse direction of vehicle 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 utility model, limbs fixing device 94 and vehicle frame 91 are configured to make each
Position is adjustably mounted in the top of vehicle frame 91 fixed link 941 in the horizontal direction, to suspend animal in midair.Specifically, it is above-mentioned its
Two transverse bar 911(of remaininging are set to two transverse bars 911 on the top of four longitudinal rods 912) in, it is set on each transverse bar 911
Be equipped with the length direction extension along the transverse bar 911 and logical through the first guiding of the transverse bar 911 in the vertical direction
Slot.The fixed handle 943 of each third so that screw division from the hole on corresponding first guide groove and a fixed link 941
Pierce overwinding and enter hand-held part and fixed link 941 is fixed on the positioning.When suspending animal in midair, make each fixed link 941 from vehicle frame 91
Two sides be moved to the top of vehicle frame 91, it is easy to use；And four limbs support device 92 and head fixing device 93 can not use.
When animal is suspended in midair, it can facilitate to animal blood was collected equal operation, further improve the diversification of the multi-functional fixed vehicle 90 of animal
Function makes multi-purpose content, convenient to use.
In some embodiments of the utility model, in order to guarantee that animal breath is smooth, comfortable, also have on fixinig plate 942
There is relief hole, relief hole is in four and crosses between leg holes, and is in the lower section of animal thorax abdomen, animal breath can be prevented to be pressurized
Compel, ensure respiration smooth, also there is certain heat spreading function, improves test effect.The two sides of fixinig plate 942 can have installation set,
The installation set of each 941 fixinig plate of fixed link, 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 utility model, head fixing device 93 further includes mask support plate 934, is configured to prop up
Support is installed on the animal breath mask on the head of animal, to guarantee the comfort of animal, animal breath mask can be prevented due to certainly
The breathing of body gravity 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, face
The rear end of cover support plate 934 is adjustably mounted relative to 931 distance of neck ring in the front side of front catch member.Before front catch member can be above-mentioned
Baffle 932, there are two third guide grooves for tool on front apron 932.There are two second for the rear portion both ends setting of mask support plate 934
Link block.Head fixing device 93 further includes two the 4th fixed handles, and each 4th fixed handle has hand-held part and stud
Portion carries out mask support plate 934 with the threaded hole screwed on second link block from a corresponding third guide groove
Positioning is fixed.First fixed handle 923, second fixes the fixed handle 943 of handle 933, third and the 4th fixed handle can be spiral shell
Bolt star-shaped nut.
In some embodiments of the utility model, neck ring 931 may include being formed in or being fixed under front catch member upper end
Half neck ring, 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
One end of lower half 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, on
The both ends of half neck ring are bolted in the both ends of lower half neck ring respectively.When using being spirally connected, it is provided with along the vertical direction on upper half neck ring
The through-hole of extension, the corresponding position of lower half neck ring are provided with threaded hole, and screw passes through through-hole and screws in corresponding threaded hole.
In some embodiments of the utility model, as shown in Figure 4 and Figure 5, each animal breath mask may include housing
20, air inlet-outlet device 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 cover
The tail end of shell 20.Air inlet-outlet device 30 has central air induction channel 311 and is set to the radial outside in central air induction channel 311
Outlet passageway 312 so that aerosol from central inlet channel 311 enter housing 20, by after animal breath from 312 row of outlet passageway
Out.
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 utility model, the air inlet-outlet device 30 of each animal breath mask may include medial side part
31 and 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；
There is central air induction channel 311 in air inlet 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 for limiting between the periphery wall of air inlet pipe portion, being connected to outlet passageway 312, and outer member 32 also has
The gas flow pass being connected to remittance air cavity 321.Setting can make the structure of air inlet-outlet device 30 simple in this way, processing and manufacturing side
Just, nor it will affect the excellent performance of air inlet-outlet device 30.Further, outlet passageway 312 include it is multiple along center into
The through-hole that the axial direction in gas channel 311 extends, along being arranged circumferentially for central air induction channel 311.Each through-hole and center
The diameter ratio of inlet channel 311 is 1/12 to 1/8, and the quantity of through-hole is 8 to 12.
In some embodiments of the utility model, protruding portion is provided on the periphery wall in the outlet portion of medial side part 31.Cover
The head end of shell 20 has the bending part turned down to 20 radially inner side of housing, and bending part is folded in it by protruding portion and outer member 32
Between.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
The periphery wall in portion.In order to guarantee sealing performance, the corresponding position of animal breath mask may be provided with the close of the types such as sealing ring
Sealing.
In some embodiments of the utility model, each animal breath mask further includes connection frame 50, and connection frame 50 has
There is central hole, central hole is set in outlet portion, and between bending part and outer member 32.Connection frame 50 is configured to and sets
It is placed in tying up on animal and sets the cooperation of device 80, animal breath mask is set on the head of animal.I.e. each animal breath face
The connection frame of cover 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
Ground, connection frame 50 include the median plate with central hole, and the multiple extensions extended outward from the circumferential edge of median plate
Hook.Multiple hooks can be used for setting the hook of device 80 with tying up on animal head, tie up and set.For example, being set as shown in figure 5, each tying up
Device 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 extend perpendicularly out from around the side of neckstrap 81, and multiple position adjustment holes 821, Mei Gegu are provided in each fixing belt 82
Determine band 82 and a hook is installed on by position adjustment hole 821 thereon.Specifically, the quantity of hook can be three or four,
The quantity of fixing belt 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 utility model, sealing device 40 is the flexible sheets made of elastic material, flexible sheets
Center have animal mouth insert port.Animal breath mask further includes plugging device 60 and jointing 70.Plugging device 60 can
For plug, it is set to the animal mouth insert port of sealing device 40, with the experiment when machine trial operation or this position do not install animal
Be normally carried out.Jointing 70 may be disposed at the entrance in the central air induction channel 311 of air inlet-outlet device 30, to connect disengaging
Device of air 30 and exposure aerosol diversity apparatus 100.Particularly, jointing 70 can have Concentration Testing interface, dense to connect
Detection device is spent, can detect the concentration of aerosol into housing 20 etc..Big animal mouth and nose exposure system further includes multiple dense
Detection device is spent, each concentration detection apparatus is connected to a Concentration Testing interface.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover 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 has neck ring for the neck across animal, and in the vertical direction position adjustably 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 outlet passageway 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 |
|---|---|---|---|
| CN201820357143.1U CN208693531U (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 |
|---|---|---|---|
| CN201820357143.1U CN208693531U (en) | 2018-03-15 | 2018-03-15 | Big animal mouth and nose exposure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208693531U true CN208693531U (en) | 2019-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110269721A (en) * | 2018-03-15 | 2019-09-24 | 北京慧荣和科技有限公司 | Big animal mouth and nose exposure system |
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