CN206980753U - A kind of Biohazard Safety Equipment provided with Intelligent exhaust device - Google Patents
A kind of Biohazard Safety Equipment provided with Intelligent exhaust device Download PDFInfo
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- CN206980753U CN206980753U CN201720668354.2U CN201720668354U CN206980753U CN 206980753 U CN206980753 U CN 206980753U CN 201720668354 U CN201720668354 U CN 201720668354U CN 206980753 U CN206980753 U CN 206980753U
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- safety equipment
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- biohazard safety
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- 239000013589 supplement Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Biohazard Safety Equipment provided with Intelligent exhaust device, it is characterised in that：In Biohazard Safety Equipment exhaust outlet and outer discharge pipe junction, one intelligent array wind apparatus is set, the intelligent array wind apparatus includes an annular connector, a center connecting tube, the annular connector and the diameter of Biohazard Safety Equipment exhaust outlet junction are more than the diameter of Biohazard Safety Equipment exhaust outlet, and the annular connector is connected with outer discharge pipe by the center connecting tube.Biohazard Safety Equipment described in the utility model provided with Intelligent exhaust device, when being advantageous to the external exhaust duct of Biohazard Safety Equipment and blower fan, ensure safety dumping and the safe operation of Biohazard Safety Equipment, prevent Biohazard Safety Equipment to be contaminated or pollute safety cabinet external environment.
Description
Technical field
It the utility model is related to a kind of Biohazard Safety Equipment technical field, more particularly to a kind of life provided with Intelligent exhaust device
Thing safety cabinet.
Background technology
Biohazard Safety Equipment is a kind of biology laboratory special protection equipment, and operator can be by front window gathering hole in safety
Operated in cabinet, the negative-pressure air-flow that front window gathering hole is drawn inwardly to is protecting the safety of operating personnel；Through high efficiency particulate air filter
The down current of filtering tests article to protect in safety cabinet；Air-flow discharges safety cabinet to protect after high efficiency particulate air filter filters
Environment.Therefore, inflow stream (the discharging air-flow) flow velocity for protection staff of Biohazard Safety Equipment and for Protection
The down current flow velocity of sample is Key Performance Indicator, the change of external environment condition and the change of running status, will be caused above-mentioned
The change of index so that Biohazard Safety Equipment is in abnormal operational conditions, also can not just protect operator, environmental protection and protection
Laboratory sample.
The discharge of Biohazard Safety Equipment be pollution air after high efficiency particle air filter filters, can safety dumping to indoor or
Pass through discharge of pipes to outdoor.And common outer discharge pipe, it is that airtight connection is arranged in Biohazard Safety Equipment directly by discharge tube
On the pipe joint in wind filter downstream, duct type air-introduced machine, the discharge for safety cabinet are installed additional in pipe end.Safety cabinet
After being connected to outer discharge pipe and exhaust fan, when safety cabinet and exhaust fan normal operation, safety cabinet should keep original air draft
Amount；But once when outer row's air-introduced machine breaks down, due to the on-way resistance of discharge tube, discharge air-flow will diminish so that raw
The inflow stream flow velocity of thing safety cabinet can also diminish therewith, the negative-pressure air-flow deficiency that front window gathering hole is drawn inwardly to, can not play
The effect of protection staff.Meanwhile the exhaust air rate adjustment of exhaust fan and necessary and strict program, the air draft fan delivery of selection
It is excessive or too small.The change of Biohazard Safety Equipment running status will be caused (because pipeline closed connects, to directly affect safety cabinet inflow
The change of wind speed).
Utility model content
The purpose of the utility model is：Solve problems of the prior art, there is provided a kind of provided with Intelligent exhaust device
Biohazard Safety Equipment, by Biohazard Safety Equipment floss hole and outer discharge pipe junction, one intelligent array wind apparatus of installation, solution
The problems of the prior art so that when safety cabinet is run, when exhaust fan is closed or failure is out of service, safety cabinet still can
Normal operation.
The technical solution of the utility model is：
A kind of Biohazard Safety Equipment provided with Intelligent exhaust device, including Biohazard Safety Equipment exhaust outlet, outer discharge pipe, its feature
It is：In Biohazard Safety Equipment exhaust outlet and outer discharge pipe junction, one intelligent array wind apparatus, the intelligent air draft dress are set
Put including an annular connector, a center connecting tube, the annular connector and the diameter of Biohazard Safety Equipment exhaust outlet junction
More than the diameter of Biohazard Safety Equipment exhaust outlet, the annular connector is connected with outer discharge pipe by the center connecting tube.
Preferably, the annular section on the outside of the inboard air cabinet air draft junction of annular connector periphery is provided with wind direction biography
Sensor, the wind transducer are connected with alarm, and outer discharge pipe is circumscribed with exhaust fan, when outer discharge pipe or exhaust fan go out
During existing failure, the wind transducer senses the ring part on the inside of annular connector periphery and on the outside of safety cabinet air draft junction
Divide gas flow change, the alarm equipment alarm.
Preferably, the Intelligent exhaust device is additionally provided with mounting and fixing bracket, for the Intelligent exhaust device is consolidated
It is scheduled on Biohazard Safety Equipment.
Preferably, the Intelligent exhaust device connection Biohazard Safety Equipment and outer discharge pipe junction, safety cabinet startup optimization
While exhaust fan also run, safety cabinet is in normal operating condition, now the center connecting tube of annular connector, completely row
The air stream efflux of Biohazard Safety Equipment is put, when exhaust fan air quantity is enough, the ring interface of annular connector periphery will produce stream
To the air-flow of central tube, while suction room air；When the external exhaust duct of safety cabinet and blower fan, exhaust fan operation,
By annular connector, safety cabinet air draft is equal to total exhaust air rate with indoor supplement wind, reaches system balancing, realizes that safety dumping will
Ask.
Preferably, when exhaust fan breaks down, safety cabinet is emitted into outdoor air quantity due to along journey by exhaust duct
The resistance of ducting will reduce, and most of air quantity is escaped indoors by annular connector, the normal exhaust air rate of safety cabinet is kept base
This is constant, so as to ensure that safety.
Preferably, perceived by wind transducer, alarm pipes, and reminds and is likely to occur event with outdoor discharge pipe or blower fan
Barrier, safety cabinet are in safe operation state all the time.
Preferably, top is provided with the first air velocity transducer on the inside of the Intelligent exhaust device, to detect outer discharge pipe
Air quantity flow rate VT, the second air velocity transducer is installed in Biohazard Safety Equipment exhaust-air filter downstream, to measure safety cabinet certainly
The air draft wind speed V of bodyE, as safety cabinet and exhaust fan startup optimization, VTIt will be greater than the air draft speed V of safety cabinet itselfE；As outer row
Blower fan stop or failure and during safety cabinet normal operation, because the structure type of Intelligent exhaust device determines the normal of safety cabinet
Air draft flows into the downside surrounding by Intelligent exhaust device indoor, V nowTV will be less thanE, work as VT>VE, siren not work
Make, illustrate exhaust fan normal operation；Work as VT<VE, siren alarm.
The utility model has the advantages that：
1st, the Biohazard Safety Equipment described in the utility model provided with Intelligent exhaust device, be advantageous to run in outside Biohazard Safety Equipment
When wind pipeline and blower fan, ensure safety dumping and the safe operation of Biohazard Safety Equipment, prevent that Biohazard Safety Equipment is contaminated or dirty
Contaminate safety cabinet external environment.
2nd, perceived by wind transducer, alarm pipes, and reminds and is likely to occur failure with outdoor discharge pipe or blower fan, protects
Demonstrate,prove Biohazard Safety Equipment safe operation.
3rd, mounting and fixing bracket is beneficial to the installation and fixation of Intelligent exhaust device, ensures the smooth flow of gas.
4th, the utility model can keep system balancing, realize safety dumping requirement, when exhaust fan breaks down, safety
Cabinet is emitted into outdoor air quantity due to that will reduce along the journey resistance of ducting by exhaust duct, and most of air quantity is existed by annular connector
Indoor effusion, the normal exhaust air rate of safety cabinet is set to keep being basically unchanged, so as to ensure that safety.
5th, Biohazard Safety Equipment described in the utility model has the identification of air quantity flow direction, air quantity supplement, air quantity aerial drainage and meaning
Outer warning function, ensure the further safety of Biohazard Safety Equipment.
6th, the selection of exhaust fan does not need the selection of conventionally form so harsh.Because the connector of the present apparatus has periphery
There is supplemental air flow passage, as long as from the blower fan more than specified exhaust air rate.It can ensure bio-safety without adjustment repeatedly
The normal operation of cabinet.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, do not form to restriction of the present utility model.
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Fig. 1 is the Biohazard Safety Equipment described in the utility model provided with Intelligent exhaust device in exhaust fan or outer discharge pipe
Air flow direction schematic diagram during normal operation.
Fig. 2 is the Biohazard Safety Equipment described in the utility model provided with Intelligent exhaust device in exhaust fan or outer discharge pipe
Air flow direction schematic diagram during failure.
Fig. 3 is the Biohazard Safety Equipment flow pattern schematic diagram described in the utility model provided with Intelligent exhaust device.
Wherein：1st, Biohazard Safety Equipment 2, Biohazard Safety Equipment exhaust outlet 3, annular connector 4, center connecting tube 5, wind direction
Sensor 6, alarm 7, outer discharge pipe 8, exhaust fan 9, the first air velocity transducer 10, the second air velocity transducer 11,
Filter
Embodiment
As shown in Figure 1-Figure 3, the utility model discloses a kind of Biohazard Safety Equipment provided with Intelligent exhaust device, its feature
It is：One intelligent array wind apparatus, the intelligent air draft are set with the outer junction of discharge pipe 7 in the exhaust outlet 2 of Biohazard Safety Equipment 1
Device includes an annular connector 3, a center connecting tube 4, the annular connector 3 and the junction of Biohazard Safety Equipment exhaust outlet 2
Diameter be more than the diameter of Biohazard Safety Equipment exhaust outlet 2, the annular connector 3 is connected with outer discharge pipe 7 by the center
Pipe 4 connects.Biohazard Safety Equipment described in the utility model provided with Intelligent exhaust device, be advantageous to run in outside Biohazard Safety Equipment 1
When wind pipeline and blower fan, ensure safety dumping and the safe operation of Biohazard Safety Equipment, prevent that Biohazard Safety Equipment is contaminated or dirty
Contaminate safety cabinet external environment.
Preferably, the annular section on the outside of the inboard air cabinet air draft junction of annular connector periphery is provided with wind direction biography
Sensor 5, the wind transducer 5 are connected with alarm 6, when outer discharge pipe 7 or the failure of exhaust fan 8, the wind direction
Sensor 5 senses that the annular section gas flow on the inside of the periphery of annular connector 3 and on the outside of safety cabinet air draft junction becomes
Change, the alarm 6 is alarmed.Perceived by wind transducer, alarm is piped, and reminding may be gone out with outdoor discharge pipe or blower fan
Existing failure, so as to discharge pipe or exhaust fan outside user's on-call maintenance, ensure Biohazard Safety Equipment safe operation.
The Intelligent exhaust device is additionally provided with mounting and fixing bracket, for the Intelligent exhaust device is fixed on into biology
On safety cabinet.Ensure the smooth flow of air-flow.
Preferably, the Intelligent exhaust device connection Biohazard Safety Equipment 1 and the junction of outer discharge pipe 7, Biohazard Safety Equipment open
Exhaust fan is also run while dynamic operation, and safety cabinet is in normal operating condition, now the center connecting tube of annular connector
4, the air stream efflux of Biohazard Safety Equipment is discharged completely, and when exhaust fan air quantity is enough, the ring interface of the periphery of annular connector 3 will
The air-flow for flowing to central tube, while suction room air can be produced；Such as hatched arrows in Fig. 2.When the external exhaust duct of safety cabinet
When road and exhaust fan, exhaust fan 8 is run, and by annular connector 3, safety cabinet air draft is equal to total air draft with indoor supplement wind
Amount, reaches system balancing, realizes safety dumping requirement.The utility model can keep system balancing, realize safety dumping requirement, when
When exhaust fan breaks down, safety cabinet is emitted into outdoor air quantity due to that will reduce along the journey resistance of ducting by exhaust duct, greatly
Part air quantity is escaped indoors by annular connector, makes the normal exhaust air rate of safety cabinet keep being basically unchanged, so as to ensure that
Safety.The arrow of striped represents the direction of atmospheric air flowing in Fig. 1, and blank arrowhead represents the pure air after being filtered.
Preferably, when exhaust fan breaks down, safety cabinet is emitted into outdoor air quantity due to along journey by exhaust duct 7
The resistance of ducting will reduce, and most of air quantity is escaped indoors by annular connector 3, the normal exhaust air rate of safety cabinet is kept base
This is constant, so as to ensure that safety.
Preferably, perceived by wind transducer 5, alarm 6 pipes, and reminds and is likely to occur with outdoor discharge pipe or blower fan
Failure, safety cabinet are in safe operation state all the time.
Preferably, top is provided with the first air velocity transducer 9 on the inside of the Intelligent exhaust device, to detect outer discharge pipe
Air quantity flow rate VT, second air velocity transducer 10 is installed in the downstream of Biohazard Safety Equipment exhaust-air filter 11, to measure safety
Air draft wind speed (inflow wind speed) V of cabinet itselfE, as safety cabinet and exhaust fan startup optimization, VTIt will be greater than the row of safety cabinet itself
Wind speed VE(VT>VE； QT=QE+QS；QS：Exhaust hood periphery supplements air quantity)；When exhaust fan stopping or failure, safety cabinet is normal
During operation, because the structure type of Intelligent exhaust device determines the normal air draft of safety cabinet by by under Intelligent exhaust device
Side surrounding flows into indoor, V nowTV will be less thanE(QT=QE-QS), work as VT>VE, siren do not work, and illustrates exhaust fan just
Often operation；Work as VT<VE, by sound and light alarm in siren 15 seconds.There is Biohazard Safety Equipment described in the utility model air quantity flow direction to know
Not, air quantity supplement, air quantity aerial drainage and unexpected warning function, the further safety of Biohazard Safety Equipment is ensured.
The selection of exhaust fan does not need the selection of conventionally form so harsh.Because the connector of the present apparatus has periphery to have
Supplemental air flow passage, as long as from the blower fan more than specified exhaust air rate.It can ensure Biohazard Safety Equipment without adjustment repeatedly
Normal operation.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (4)
1. a kind of Biohazard Safety Equipment provided with Intelligent exhaust device, including Biohazard Safety Equipment exhaust outlet, outer discharge pipe, its feature exist
In：In Biohazard Safety Equipment exhaust outlet and outer discharge pipe junction, one intelligent array wind apparatus, the intelligent array wind apparatus are set
It is big including an annular connector, a center connecting tube, the annular connector and the diameter of Biohazard Safety Equipment exhaust outlet junction
In the diameter of Biohazard Safety Equipment exhaust outlet, the annular connector is connected with outer discharge pipe by the center connecting tube.
2. the Biohazard Safety Equipment according to claim 1 provided with Intelligent exhaust device, it is characterised in that：In annular connector
Annular section on the outside of the inboard air cabinet air draft junction of periphery is provided with wind transducer, and the wind transducer is connected with report
Alert device, outer discharge pipe are circumscribed with exhaust fan, when outer discharge pipe or exhaust fan failure, the wind transducer sensing
Annular section gas flow change on the inside of to annular connector periphery and on the outside of safety cabinet air draft junction, the alarm report
It is alert.
3. the Biohazard Safety Equipment according to claim 1 provided with Intelligent exhaust device, it is characterised in that：The intelligent air exhausting
Device is additionally provided with mounting and fixing bracket, for the Intelligent exhaust device is fixed on Biohazard Safety Equipment.
4. the Biohazard Safety Equipment according to claim 1 provided with Intelligent exhaust device, it is characterised in that：In the Intelligent drainage
Top is provided with the first air velocity transducer on the inside of wind apparatus, to detect the air quantity flow rate V of outer discharge pipeT, arranged in Biohazard Safety Equipment
The second air velocity transducer is installed in wind filter downstream, to measure the air draft wind speed V of safety cabinet itselfE, when safety cabinet and outside
Exhaust blower startup optimization, VTIt will be greater than the air draft speed V of safety cabinet itselfE；When exhaust fan stopping or failure, safety cabinet is normally transported
During row, because the structure type of Intelligent exhaust device determines the normal air draft of safety cabinet by by the downside of Intelligent exhaust device
Surrounding flows into indoor, V nowTV will be less thanE, work as VT>VE, siren do not work, and illustrates exhaust fan normal operation；Work as VT<
VE, siren alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668354.2U CN206980753U (en) | 2017-06-09 | 2017-06-09 | A kind of Biohazard Safety Equipment provided with Intelligent exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668354.2U CN206980753U (en) | 2017-06-09 | 2017-06-09 | A kind of Biohazard Safety Equipment provided with Intelligent exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206980753U true CN206980753U (en) | 2018-02-09 |
Family
ID=61396544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720668354.2U Expired - Fee Related CN206980753U (en) | 2017-06-09 | 2017-06-09 | A kind of Biohazard Safety Equipment provided with Intelligent exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206980753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335477A (en) * | 2017-06-09 | 2017-11-10 | 苏州安泰空气技术有限公司 | A kind of Biohazard Safety Equipment provided with Intelligent exhaust device |
| CN110302848A (en) * | 2019-07-05 | 2019-10-08 | 华北电力大学（保定） | A kind of bio-safety experiment cabinet for biosecurity laboratory |
-
2017
- 2017-06-09 CN CN201720668354.2U patent/CN206980753U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335477A (en) * | 2017-06-09 | 2017-11-10 | 苏州安泰空气技术有限公司 | A kind of Biohazard Safety Equipment provided with Intelligent exhaust device |
| CN110302848A (en) * | 2019-07-05 | 2019-10-08 | 华北电力大学（保定） | A kind of bio-safety experiment cabinet for biosecurity laboratory |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 |