CN207605751U - Three-grade biological safety cabinet - Google Patents
Three-grade biological safety cabinet Download PDFInfo
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- CN207605751U CN207605751U CN201721428889.9U CN201721428889U CN207605751U CN 207605751 U CN207605751 U CN 207605751U CN 201721428889 U CN201721428889 U CN 201721428889U CN 207605751 U CN207605751 U CN 207605751U
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Abstract
The utility model discloses a kind of three-grade biological safety cabinet, solve in the prior art since poor sealing leads to problems such as hazardous materials spillage pollute, technical solution is：Including fan assembly, operation babinet and filter assemblies, it includes exposure chamber to operate babinet, filter assemblies include powered air-purifying device and exhaust-air filter, powered air-purifying device and exhaust-air filter are fixedly mounted on the top of operation babinet, and powered air-purifying device and exhaust-air filter are connected to exposure chamber；Powered air-purifying device and exhaust-air filter, which correspond, is connected with differential pressure indicator, and differential pressure indicator is fixedly mounted on the operation top of the box；Differential pressure indicator is configured to examine the pressure difference of powered air-purifying device and exhaust-air filter.The design of the technical essential, tightness is good, can hunt leak to filter device, replaces in time, and air-tightness is good, can effectively avoid being formed by harmful substance during checked operation and is diffused into experimental place and pollutes.
Description
Technical field
The utility model is related to test to pathogenic microorganism and the biometric security device of analysis, more particularly to one
Kind three-grade biological safety cabinet.
Background technology
Currently, in order to fast and accurately be diagnosed to infectious diseases, it is often necessary to be carried out to pathogenic microorganism comprehensive
Inspection and analysis.In view of pathogenic microorganism be humans and animals have pathogenic microorganism, easily cause infection even pass
It catches an illness, therefore durings being detected pathogenic microorganism and experimental implementation etc., is easy to form harmful bioaerosol, such as
The harmful bioaerosol of fruit diffuses in laboratory, it will greatly increases the disease infection risk of staff, serious prestige
The personal safety of staff is coerced, or even serious pollution is caused to the environment in laboratory itself and periphery, weight can be caused
Big public health event.Therefore, it in order to ensure the personal safety of staff, when testing to pathogenic microorganism, needs
Establish the checked operation environment of sealed reliable.
In recent years, the threat of strong pathogenic microorganism increasingly sharpens in the world, and strong pathogenic microorganism is caused
Infection does not have effective treatment and prevention control measure usually.Therefore, to reduce infection risk, operation can cause mankind's activity
（Very）When the strong pathogenic microorganism of serious disease, it usually needs pacify in the high biology that has that can carry out completely isolated operation
It is carried out in the high-grade Biohazard Safety Equipment of holotype energy.
But China mainly uses the primary protective barrier based on II grade of Biohazard Safety Equipment to carry out pathogenic microorganism at present
Operation, the operation window of these Biohazard Safety Equipments only prevent harmful substance in cabinet from leaking by air-flow, but the toxic of its inside has
Evil particle be easy because personnel it is improper operation cause it is filtered due to leak into outside, to the environment of experimental place itself and periphery
It pollutes, seriously injures the personal safety of experimental work personnel.
Therefore, it is necessary to develop a kind of device, experimental work personnel can be allowed to carry out strong pathogenic microorganism inside it
Various experimental implementations, have good tightness, can effectively avoid being formed by harmful substance expansion during checked operation
It is scattered in experimental place, prevents the environment to experimental place itself and periphery from polluting, and ensure the people of staff
Body safety.
Utility model content
In view of this, the purpose of this utility model is to provide, a kind of air-tightness is good, can effectively avoid checked operation process
The middle three-grade biological safety cabinet leaked.
To achieve the above object, the utility model provides following technical solution：A kind of three-grade biological safety cabinet, including wind
Thermomechanical components, operation babinet and filter assemblies, the operation babinet include exposure chamber, and the filter assemblies include powered air-purifying device
And exhaust-air filter, the powered air-purifying device and the exhaust-air filter are fixedly mounted on the top for operating babinet
Portion, and the powered air-purifying device and the exhaust-air filter are connected to the exposed chamber；
The powered air-purifying device and the exhaust-air filter, which correspond, is connected with differential pressure indicator, and the differential pressure indicator is solid
Dingan County is mounted in the operation top of the box；
The differential pressure indicator is configured to examine the pressure difference of the powered air-purifying device and the exhaust-air filter.
By using above-mentioned technical proposal, the powered air-purifying device and exhaust-air filter that are connected to exposure chamber are installed in
It is described operation babinet top so that the utility model using gas it is enterprising on go out by the way of, facilitate leak detection, can quickly find
The problem of filter device occurs during the work time solves in time, and filter replacement is convenient；Along with powered air-purifying device and
Exhaust-air filter is respectively connected with the differential pressure indicator for examining its pressure difference, can monitor in filter device whether have impurity in real time,
Filter can be replaced in time, and filter is avoided to have too many impurity and influence conventional efficient and effect.
The utility model is further arranged to：The fan assembly includes breeze fan and exhaust fan；
The breeze fan passes through pipeline connection with the powered air-purifying device；
The exhaust fan passes through pipeline connection with the exhaust-air filter；
The exhaust-air filter includes two level exhaust-air filter and level-one exhaust-air filter, the two level air draft
Filter device is connected with the level-one exhaust-air filter；
The two level exhaust-air filter is connected to the exhaust fan；
The level-one exhaust-air filter is connected to the exposed chamber.
By using above-mentioned technical proposal, the exhaust gas of exposure intracavitary first passes through the filtering of the first exhaust-air filter, then passes through
Two level exhaust-air filter misgivings are crossed, are then handled via exhaust fan extraction, dual mistake is carried out to exposure intracavitary exhaust gas
Filter so that the exhaust gas of discharge is cleaner, pollutes smaller, reduces experiment risk, improve safety.
The utility model is further arranged to：The operation babinet includes left plate and right panel, in the left plate and/or right panel
Transferring cabin is installed；
The transferring cabin includes cabin, transferring cabin import and transferring cabin outlet, and the cabin is in the transferring cabin exit
It is connected to the exposed chamber；
The transferring cabin entrance and the transferring cabin exit are mounted on sealing door component, for completing the transmission
The closure or unlatching of cabin import and transferring cabin outlet；
The transferring cabin is connected with cabin filter device, and the cabin filter device is connected to by pipeline with the cabin,
The cabin filter device is connect with the exhaust fan；
The cabin is connected to the level-one exhaust-air filter.
By using above-mentioned technical proposal, the utility model can to transferring cabin cabin room ventilation it is clear to being carried out in cabin
It washes, can make experimental facilities that transferring cabin passes out first cleans to be transferred out again, avoid the experimental facilities transmitted from carrying harmful
Substance enters external environment and pollutes.
The utility model is further arranged to：The sealing door component includes mounted on the first of the transferring cabin entrance
It seals door component and seals door component, the first sealing door component and described the mounted on the second of the transferring cabin exit
Two sealing door components are located inside and outside the exposed chamber；
The second sealing door component includes flexible power plant and bracing piece, the flexible power plant and the reinforcement
Bar is hingedly mounted on left plate and/or the right panel of the transferring cabin side；
The bracing piece is fixedly connected with towards transferring cabin side and exports matched revolving door with the transferring cabin, described
Revolving door is hinged with the flexible power plant；
The flexible power plant configurations are rotated at the drive reinforcement and the revolving door；
The revolving door is configured to be closed or open the transferring cabin outlet.
By using above-mentioned technical proposal, revolving door can rotate under the drive of flexible power plant in primary plane,
Other excessive spaces will not be occupied when opening, do not interfere with the experimental implementation of exposed intracavitary；Meanwhile touching rotation without hand
Door, revolving door directly open and close under the drive of flexible power plant, and high degree of automation is easy to operate.
The utility model is further arranged to：The flexible power plant includes electric pushrod, the electric pushrod connection
It is useful for controlling the power distribution cabinet of the electric pushrod movement.
By using above-mentioned technical proposal, using electric device control electric pushrod movement, to drive revolving door to rotate,
Simple in structure, high degree of automation is easy to operate.
The utility model is further arranged to：Rail assembly is installed in the cabin, the rail assembly is vertical
The transferring cabin import and the transferring cabin export direction extend；
It is installed with supporting plate on the rail assembly；
The rail assembly is configured to that the supporting plate is driven to slide along the rail assembly extending direction；
The supporting plate is configured to support and carries experimental facilities in the cabin along rail assembly extending direction sliding.
By using above-mentioned technical proposal, experimental facilities can be placed on to slide on supporting plate when transmitting experimental facilities and pass by transferring cabin
It send, simple in structure, experimenter does not have to hand being deep into the i.e. transmittable experimental facilities in cabin depths, easy to operate.
The utility model is further arranged to：The slide track component includes being respectively and fixedly installed to two, described cabin or so
Bearing on side wall is installed with sliding slot on the bearing, and the both ends of the supporting plate are respectively embedded in described cabin or so two
In sliding slot on the side wall of side.
By using above-mentioned technical proposal, sliding slot supporting plate fit system is simple in structure, easy for installation, and slides steady.
The utility model is further arranged to：The operation babinet is pacified respectively in the left plate and/or the adjacent both sides of right panel
Equipped with front door and back door；
Interconnecting piece is installed on one edge at the front door and/or the back door, be equipped on the operation babinet with
The matched rotating seat of interconnecting piece, the interconnecting piece are connect with the rotating seat；
The front door and/or the back door are configured to rotate around edge where the interconnecting piece；
The front door and/or the back door are hingedly connected with pneumatic spring, are hingedly equipped on the operation babinet pneumatic
Spring base, the pneumatic spring are hingedly connected on the pneumatic bomb spring abutment；
The pneumatic spring is connect with the Pneumatic power device for controlling the pneumatic spring movement；
The pneumatic spring is configured to that the front door and/or the back door is driven to rotate the unlatching for completing exposure chamber or envelope
It closes；
When the exposed chamber is closed completely, the pneumatic spring is in the raw.
By using above-mentioned technical proposal, front door and/or back door are set as to open the door, convenient to exposure when in need
Intracavitary is operated, is cleaned.
The utility model is further arranged to：The interconnecting piece is multiple, and multiple interconnecting pieces are evenly distributed to be mounted on
The top sides edge at the front door and/or the back door；
The pneumatic spring is set as two, two pneumatic springs be symmetrically mounted on the front door and/or it is described after
The left and right sides of door.
By using above-mentioned technical proposal so that front door and/or back door uniform force avoid front door and/back door from opening
During be damaged due to unbalance stress, improve the service life at front door and/or back door.
The utility model is further arranged to：The bottom of the exposed chamber is provided with waste liquid tank；
The waste liquid tank is configured to accommodate the waste liquid of the exposed intracavitary.
By using above-mentioned technical proposal, the setting of waste liquid tank, the convenient waste liquid to exposure intracavitary is collected and clears up,
It is easy to operate.
The technical solution of the utility model, seal is relatively good, and can hunt leak to filter device, replaces in time miscellaneous
The more filter etc. of matter can allow experimental work personnel to carry out the various experiments behaviour of strong pathogenic microorganism inside it
Make, has good tightness, capable of effectively avoiding checked operation, being formed by harmful substance is diffused into experimental place in the process,
It prevents the environment to test site itself and periphery from polluting, and ensures the personal safety of staff, prevent great
The generation of public health event, is of great practical significance.
Description of the drawings
Hereinafter with reference to the accompanying drawings and embodiment mode and not restrictive be described in detail the utility model some are specific
Embodiment.Identical reference numeral denotes same or similar component or part in attached drawing.Those skilled in the art should manage
Solution, these attached drawings are not necessarily to scale drafting.
Fig. 1 is a kind of structural schematic diagram of the utility model three-grade biological safety cabinet；
Fig. 2 is another structural schematic diagram of the utility model three-grade biological safety cabinet；
Fig. 3 is the structural schematic diagram of the transferring cabin of the utility model three-grade biological safety cabinet.
In attached drawing：1. fan assembly；2. powered air-purifying device；3. butterfly valve；4. pressure difference gauge stand；5. two level air draft filtering dress
It sets；6. differential pressure indicator；7. level-one exhaust-air filter；The first air inlets of 7a.；The second air inlets of 7b.；8. front door；9. back door；10.
Transferring cabin；The cabins 10a.；11. transferring cabin entrance hatch door；12. bracing piece；13. electric pushrod；14. revolving door；15. waste liquid
Slot；16. transferring cabin powered air-purifying device；17. power distribution cabinet；18. interconnecting piece；19. rotating seat；20. computer display screen；21. illumination
Device；22. bearing；23. sliding slot；24. supporting plate；25. operating babinet；25a. exposes chamber.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below with reference to Fig. 1 to Fig. 3
The embodiment of the utility model three-grade biological safety cabinet is described further.
A kind of three-grade biological safety cabinet, including fan assembly, operation babinet 25, top assembly, support component and transferring cabin
Component.
Fan assembly 1 includes the breeze fan for air-supply and the exhaust fan for air draft.
It includes top plate and bottom plate, former and later two gathering holes, left plate and right panel, the punishment of former and later two gathering holes to operate babinet 25
Front door 8 and back door 9 are not installed, top plate and bottom plate, front door 8, back door 9, left plate and right panel enclose exposed chamber 25a, for accommodating
Experimental animal and experimental facilities carry out experimental implementation；Front door 8 and back door 9 include installing frame and door glass, are offered in door glass
At least two handle holes are sealed and installed with operating gloves at handle hole（It is not represented in figure）, experimenter can wear behaviour
Make gloves hand extend into exposed chamber 25a to carry out experimental implementation.
Top assembly is fixedly mounted on the roof of operation babinet 25, including filter assemblies, and filter assemblies include blowing
Filter device 2 and exhaust-air filter, wherein exhaust-air filter includes two level exhaust-air filter 5 and level-one air draft filtering dress
7 are set, powered air-purifying device 2 and exhaust-air filter include air inlet and air outlet, and the preferred embodiments of the present invention are：
The air inlet of powered air-purifying device 2 is connected to breeze fan, and the air outlet of powered air-purifying device 2 is connected to exposure chamber 25a；Level-one
The air inlet of exhaust-air filter 7 is connected to exposure chamber, air outlet and the two level exhaust-air filter of level-one exhaust-air filter 7
5 air inlet connection, the air outlet of two level exhaust-air filter 5 are connected to exhaust fan；Blower is sent to blow, gas is by sending
Wind filter device 2 is fed to after filtering in exposed chamber 25a, and the exhaust gas in exposure chamber 25a passes through successively under exhaust fan effect
It crosses level-one exhaust-air filter 7 and two level exhaust-air filter 5 filters, then handled via exhaust fan discharge.
Transferring cabin component is fixedly mounted on left plate and/or the right panel of operation babinet 25, and transferring cabin component can individually pacify
It in left plate, can also be arranged separately on right panel, can also respectively be installed in left plate and right panel, the utility model is preferred
Embodiment is：Through-hole is offered in the left plate of operation babinet 25, transferring cabin component includes transferring cabin 10, and transferring cabin 10 includes
Cabin 10a, transferring cabin import, transferring cabin outlet, transferring cabin import and transferring cabin outlet are set relatively in 10 left and right sides of transferring cabin
It sets and is connected, transferring cabin 10 exports the integrally molded mounting flange in side in transferring cabin, and mounting flange passes through screw and control box
The left plate of body 25 is fixedly connected, and the cabin 10a of transferring cabin 10 passes through the through-hole and exposure chamber 25a phases in transferring cabin outlet, left plate
Connection, for extraneous experiment appliance to be transmitted to by transferring cabin 10 in exposed chamber 25a.It, can be in experiment appliance transmission process
It is directly extend into the 10a of cabin with hand and takes, puts experiment appliance etc., transmitting device, transmitting device can also be set in the 10a of cabin
The slide track component finished product of outsourcing may be used, the preferred embodiments of the present invention are：Directly in the side wall screwing of cabin 10a
It is fixedly connected with " L " type bearing 22, the connection of 22 screwing of bearing or integrally molded " [" type sliding slot 23, the both ends difference of supporting plate 24
It is embedded into " [sliding in " type sliding slot 23；It can also be symmetrically installed with two-way cunning in two opposite upright side walls of cabin 10a
Rail, bidirectional sliding rail include slide track seat, and slide track seat is fixedly mounted on by screw on the side wall of cabin 10a, coordinate on slide track seat and slide
It is dynamic that draw runner is installed, supporting plate 24 is installed between two draw runners, concrete mode is the both sides corresponding welding respectively of supporting plate 24
Gluing is fixed or screw is fixed on two draw runners, and the sliding of supporting plate 24 is driven by sliding draw runner；In order to enable experiment is used
Tool etc. picks and places more convenient in transmission process, and the utility model is preferably the length of the length and cabin 10a of sliding slot 23 or slide track seat
Degree is consistent, and experimenter can be exported in transferring cabin or transferring cabin entrance pulls supporting plate 24, without hand is extend into cabin
In 10a.
Support component is located at the lower position of operation babinet 25, plays a supportive role to operation babinet 25, including supporting rack, branch
Support includes object placing cavity, and the experiment appliance in order to ensure conveying is totally sterile, and transferring cabin filter device 16 is placed in object placing cavity,
The filter housings of transferring cabin filter device 16 are placed in object placing cavity, can directly be placed, can also bolt fix, transferring cabin
The air inlet of filter device 16 can be connected to breeze fan, can also natural air inlet, the cabin of air outlet and transferring cabin 10
10a is connected to；In order to which to being cleaned in the 10a of cabin, cabin 10a is connected to level-one exhaust-air filter 7, and concrete mode is：
The air inlet of level-one exhaust-air filter 7 is set as one, but pipeline is divided into two branches, one of branch and exposure chamber 25a
Connection, another branch are connected to cabin 10a；It can also set the air inlet of level-one exhaust-air filter 7 to two, first
Air inlet 7a and the second air inlet 7b, wherein the first air inlet 7a is connected to by pipeline with exposure chamber 25a, the second air inlet 7b is logical
Pipeline is crossed to be connected to cabin 10a.
Further, transferring cabin import and transferring cabin exit are mounted on sealing door component, and sealing door component includes the
One sealing door component and the second sealing door component, the first sealing door component are mounted on transferring cabin entrance, the second sealing door component
Mounted on transferring cabin exit, specific implementation mode is：First sealing door component includes the first hermatic door 11 and hinge, hermatic door
11 are mounted on by hinge on transferring cabin 10, and the first hermatic door 11 matches with transferring cabin import, for being closed or opening transmission
Cabin import；Second sealing door component includes revolving door 14, bracing piece 12 and electric pushrod 13, and revolving door 14 exports phase with transferring cabin
Matching, for being closed or opening transferring cabin outlet, the sides chamber 25a are integrally molded or screw is fixed and connected towards exposing for revolving door 14
It is connected to bracing piece 12,12 one end of bracing piece and the left plate of operation babinet 25 are articulated and connected, and electric pushrod 13 includes mounting cylinder and stretches
The left plate of contracting bar, mounting cylinder and operation babinet 25 is articulated and connected, and one end that telescopic rod stretches out mounting cylinder hingedly connects with bracing piece 12
It connects；Power distribution cabinet is placed in the object placing cavity of support component, electric pushrod 13 is electrically connected with power distribution cabinet.In order to ensure the first hermatic door
The favorable sealing property of component and the second sealing door component when transferring cabin import and transferring cabin outlet are closed, the first hermatic door 11
It is mounted on sealing ring when being installed with revolving door 14, and limiting device, limiting device packet are additionally provided in the second sealing door component
The card slot for including integrally molded 12 one end of limited post and bracing piece in operation 25 left plate of babinet, when transferring cabin, which exports, to be closed,
Limited post is stuck in card slot, and limited post limitation bracing piece 12 no longer rotates, to which revolving door 14 be fixed.
When work, fan assembly 1, breeze fan air-supply are opened, gas enters after powered air-purifying device 2 is filtered
In exposure chamber 25a, the exhaust gas after testing carries out via level-one exhaust-air filter 7 and two level exhaust-air filter 5 double successively
Then heavy filtration is handled by exhaust fan extraction.Horizontal blast filter device 2, level-one exhaust-air filter 7 and two level row
It is both provided with pressure detecting interface on wind filter device 5, operates and is installed with pressure difference gauge stand 4, pressure difference on the top plate of babinet 25
Be fixedly mounted on gauge stand 4 there are three differential pressure indicator 6, three differential pressure indicators 6 correspond respectively with powered air-purifying device 2, two level air draft
Filter device 5 is connected with the pressure detecting interface of level-one exhaust-air filter 7, for examining powered air-purifying device 2, two level air draft
The pressure difference of filter device 5 and level-one exhaust-air filter 7 during the work time indicates to block in filter if pressure difference is larger,
Need replacing filter.
When need to exposure chamber 25a in transmission experiment apparatus/will exposure chamber 25a in experiment appliance take out when, first close
Revolving door 14 opens the first hermatic door 11/ and closes the first closing door 11 opening revolving door 14, pulls outside supporting plate 24 to cabin 10a
Side, hand-held experiment appliance are placed on supporting plate 24, supporting plate 24 are pushed back in the 10a of cabin, the first hermatic door 11/ is then shut off
Revolving door 14 opens 14/ first hermatic door 11 of revolving door, supporting plate 24 is pulled out, the experiment appliance on supporting plate 24 is removed, by supporting plate
24 push back, and close 14/ first hermatic door 11 of revolving door, complete the transmission process of experiment appliance.
The utility model further embodiment is：The utility model, which could be provided as front door 8 and back door 9, cannot not open
Door, it is that can open the door that front door 8, which can also be separately provided, and it is that can open the door that can also be separately provided as back door 9, and the utility model is preferably
The sealing of back door 9 is fixedly mounted on operation babinet 25, and front door 8 is that can open the door, and specific implementation mode is：Operate 25 top plate side of babinet
At least three rotating seats 19 are installed on edge, rotating seat 19 is evenly distributed along operation 25 top plate length of babinet, rotating seat 19
The hinged rotating part including pedestal and with pedestal, rotating part can be rotated around its articulated shaft, and the top sides at front door 8 are along upper one weldering
It is connected to interconnecting piece 18 in succession, interconnecting piece 18 is fixedly connected with rotating part, and the left and right sides at front door 8 is integrally molded or screw is solid
Surely it is connected with pneumatic bomb spring abutment, pneumatic bomb spring abutment is hingedly connected with pneumatic spring, and the other end of pneumatic spring and operation babinet
25 are articulated and connected and are connected with Pneumatic power device, and when needing to open front door 8, Pneumatic power device provides dynamic to pneumatic spring
Power, pneumatic spring movement, front door 8 is opened until suitable position, stops providing power to pneumatic spring at this time, pneumatic spring is automatic
It is locked to the position.
The bottom of exposure chamber 25a is provided with waste liquid tank 15, for collecting the waste liquid after cleaning exposes chamber 25a.Meanwhile being
It is cleaned in guarantee cleaning process more thoroughly without dead angle, the edge in exposure chamber 25a is set as fillet.
It should be further noted that powered air-purifying device, exhaust-air filter and fan assembly, exposure chamber 25a, cabin
When 10a passes through pipeline connection, link position is respectively provided with seal washer and is sealed, and gas is avoided to leak, while being installed on pipeline
Butterfly valve 3, convenient adjusting and control to gas stream through-current capacity.
Front door 8, back door 9, the first hermatic door 11 and 14 surrounding edge of revolving door are respectively provided with groove（It is not represented in figure）, recessed
Pneumatic sealing ring is set in slot（It is to represent in figure）It is sealed.
Three-grade biological safety cabinet described in the utility model is also equipped with support base, on support base on operation babinet 25
It is installed with computer display screen 20, it is convenient that experimental data is observed；9 top of back door is provided with light fixture 21, mainly
It is to be welded and fixed connection lampshade at back door 9 or 25 top plate edge of operation babinet, installation headlamp is illuminated in lampshade, is made
Headlamp can be opened when must test progress in the dark to be operated.
The utility model compared with prior art, be arranged differential pressure indicator and using gas it is enterprising on go out mode, can to filtering
Device is hunted leak and is examined, and finds to replace in time the problem of filter device in time, air-tightness is good in experimentation, can be effective
Prevent the harmful substance formed in experimentation and be diffused into experimental place, prevents from making test site itself and surrounding enviroment
At pollution, and ensure the personal safety of staff.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, made any improvements and modifications also should be regarded as this reality
With novel protection domain.
Claims (10)
1. a kind of three-grade biological safety cabinet, including fan assembly, operation babinet and filter assemblies, the operation babinet include exposure
Chamber, the filter assemblies include powered air-purifying device and exhaust-air filter, it is characterized in that：The powered air-purifying device and described
Exhaust-air filter is fixedly mounted on the top of the operation babinet, and the powered air-purifying device and air draft filtering dress
It sets and equal is connected to the exposed chamber；
The powered air-purifying device and the exhaust-air filter, which correspond, is connected with differential pressure indicator, and the differential pressure indicator fixes peace
Mounted in the operation top of the box；
The differential pressure indicator is configured to examine the pressure difference of the powered air-purifying device and the exhaust-air filter.
2. three-grade biological safety cabinet according to claim 1, it is characterized in that：The fan assembly includes breeze fan and row
Wind wind turbine；
The breeze fan passes through pipeline connection with the powered air-purifying device；
The exhaust fan passes through pipeline connection with the exhaust-air filter；
The exhaust-air filter includes two level exhaust-air filter and level-one exhaust-air filter, the two level air draft filtering dress
It sets and is connected with the level-one exhaust-air filter；
The two level exhaust-air filter is connected to the exhaust fan；
The level-one exhaust-air filter is connected to the exposed chamber.
3. three-grade biological safety cabinet according to claim 2, it is characterized in that：The operation babinet includes left plate and right panel,
Transferring cabin is installed on the left plate and/or right panel；
The transferring cabin includes cabin, transferring cabin import and transferring cabin outlet, and the cabin is in the transferring cabin exit and institute
State exposed chamber connection；
The transferring cabin entrance and the transferring cabin exit are mounted on sealing door component, for complete the transferring cabin into
The closure or unlatching of mouth and transferring cabin outlet；
The transferring cabin is connected with cabin filter device, and the cabin filter device is connected to by pipeline with the cabin, described
Cabin filter device is connect with the exhaust fan；
The cabin is connected to the level-one exhaust-air filter.
4. three-grade biological safety cabinet according to claim 3, it is characterized in that：The sealing door component includes the first hermatic door
Component and the second sealing door component；
The first sealing door component is mounted on the transferring cabin entrance；
The second sealing door component is mounted on the transferring cabin exit；
The second sealing door component includes that flexible power plant and bracing piece, the flexible power plant and the bracing piece are equal
It is hingedly mounted on left plate and/or the right panel of the operation babinet；
The bracing piece is fixedly connected with revolving door towards the transferring cabin side, and the revolving door exports phase with the transferring cabin
Cooperation；
The revolving door is hinged with the flexible power plant；
The flexible power plant configurations are rotated at the drive bracing piece and the revolving door；
The revolving door is configured to be closed or open the transferring cabin outlet.
5. three-grade biological safety cabinet according to claim 4, it is characterized in that：The flexible power plant includes electronic pushes away
Bar, the electric pushrod are connected with the power distribution cabinet for controlling the electric pushrod movement.
6. three-grade biological safety cabinet according to claim 3, it is characterized in that：It is installed with track groups in the cabin
Part, vertically the transferring cabin import and the transferring cabin export direction extend the rail assembly；
It is installed with supporting plate on the rail assembly；
The rail assembly is configured to that the supporting plate is driven to slide along the rail assembly extending direction；
The supporting plate is configured to support and carries experimental facilities in the cabin along rail assembly extending direction sliding.
7. three-grade biological safety cabinet according to claim 6, it is characterized in that：The rail assembly includes being fixedly mounted respectively
Bearing in the cabin or so two side walls, sliding slot is installed on the bearing, and the both ends difference of the supporting plate is embedding
Enter into the sliding slot on side wall at left and right sides of the cabin.
8. three-grade biological safety cabinet according to claim 3, it is characterized in that：The operation babinet in the left plate and/or
The adjacent both sides of right panel are separately installed with front door and back door；
Interconnecting piece is installed on one edge at the front door and/or the back door, be equipped on the operation babinet with it is described
The matched rotating seat of interconnecting piece, the interconnecting piece are connect with the rotating seat；
The front door and/or the back door are configured to rotate around edge where the interconnecting piece；
The front door and/or the back door are hingedly connected with pneumatic spring, and pneumatic spring is hingedly equipped on the operation babinet
Seat, the pneumatic spring are hingedly connected on the pneumatic bomb spring abutment；
The pneumatic spring is connect with the Pneumatic power device for controlling the pneumatic spring movement；
The pneumatic spring is configured to that the front door and/or the back door is driven to rotate the opening and closing of fault for completing exposure chamber.
9. three-grade biological safety cabinet according to claim 8, it is characterized in that：The interconnecting piece is multiple, multiple companies
The evenly distributed top sides edge for being mounted on the front door and/or the back door of socket part；
The pneumatic spring is set as two, and two pneumatic springs are symmetrically mounted on the front door and/or the back door
The left and right sides.
10. three-grade biological safety cabinet according to claim 1, it is characterized in that：The bottom of the exposed chamber is provided with waste liquid
Slot；
The waste liquid tank is configured to collect the waste liquid of the exposed intracavitary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428889.9U CN207605751U (en) | 2017-10-31 | 2017-10-31 | Three-grade biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455485A (en) * | 2018-11-30 | 2019-03-12 | 深圳市中科圣杰净化设备有限公司 | A kind of VHP vaporized hydrogen peroxide transferring cabin |
| CN109894160A (en) * | 2019-03-14 | 2019-06-18 | 邹晓辉 | A kind of medical inspection section Biohazard Safety Equipment |
| CN111011221A (en) * | 2018-10-10 | 2020-04-17 | 中国人民解放军军事科学院军事医学研究院 | High-grade biological safety protection type small and medium animal pathogen air transmission experimental device |
| CN116020581A (en) * | 2022-12-28 | 2023-04-28 | 中国人民解放军军事科学院军事医学研究院 | Automatic adjusting component of three-level biological safety cabinet and three-level biological safety cabinet |
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2017
- 2017-10-31 CN CN201721428889.9U patent/CN207605751U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111011221A (en) * | 2018-10-10 | 2020-04-17 | 中国人民解放军军事科学院军事医学研究院 | High-grade biological safety protection type small and medium animal pathogen air transmission experimental device |
| CN109455485A (en) * | 2018-11-30 | 2019-03-12 | 深圳市中科圣杰净化设备有限公司 | A kind of VHP vaporized hydrogen peroxide transferring cabin |
| CN109894160A (en) * | 2019-03-14 | 2019-06-18 | 邹晓辉 | A kind of medical inspection section Biohazard Safety Equipment |
| CN116020581A (en) * | 2022-12-28 | 2023-04-28 | 中国人民解放军军事科学院军事医学研究院 | Automatic adjusting component of three-level biological safety cabinet and three-level biological safety cabinet |
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