CN108344453A - Detection case is equipped in Portable positive-negative-pressure biological protection - Google Patents
Detection case is equipped in Portable positive-negative-pressure biological protection Download PDFInfo
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- CN108344453A CN108344453A CN201810348065.3A CN201810348065A CN108344453A CN 108344453 A CN108344453 A CN 108344453A CN 201810348065 A CN201810348065 A CN 201810348065A CN 108344453 A CN108344453 A CN 108344453A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The present invention discloses a kind of Portable positive-negative-pressure biological protection equipment detection case, it is related to bio-safety field, including babinet, the double-deck bracket is provided in babinet, it is provided with control flow and total power switch on the bracket of upper layer, control flow includes display screen and integrated circuit board, display screen is connect with integrated circuit board, total power switch is connect with integrated circuit board, and integrated circuit board is connect with detection of gas flow rate system, pressure detecting system, air tightness detection system, air-supply amount detection systems and the filter efficiency inspection system on the double-deck bracket respectively.Detection case is equipped in the Portable positive-negative-pressure biological protection of the present invention, the detection of the relevant parameter such as gas flow, pressure difference, air-tightness, air output and filter filter efficiency of positive/negative-pressure biological protection equipment can be realized by a device, it is provided a great convenience using preceding detection for the factory testing and personnel of positive/negative-pressure biological protection equipment, testing cost is reduced, detection efficiency is improved.
Description
Technical field
The present invention relates to bio-safety fields, and detection case is equipped more particularly to a kind of Portable positive-negative-pressure biological protection.
Background technology
Personnel's biological protection equipment is the direct barrier that personnel survive under the biological infections environment such as biological warfare, is biological peace
The material base that full protection equips the important link of chain and the safe link work of other biological is carried out.High-risk biological infection ring
Under border, all kinds of operating personnels such as detection, sampling, disposition, dissipation go out, give treatment to, controlling there are serious high-risk biological contamination risk,
Need the individual protective equipment of greater degree.The profession disposal personnel such as core biochemistry rapid response force of European and American developed countries is matched
For the serial individual protective equipment such as positive pressure head-shield, positive-pressure protective clothes.After SARS outbreaks of communicable diseases, China scientific research personnel is successively
It has developed positive-pressure biological protective clothing, positive-pressure biological protective head-shield, infect the equipment model machines such as patient's negative pressure isolation transhipment cabin, realize
Breakthrough from zero.And still it is in blank in terms of the performance detection equipment research of biological protection equipment.Positive/negative-pressure at present
Each Testing index corresponds to a set of detection device when biological protection equipment detection, and protective gear manufacturer and protective gear make
It needs to buy with personnel and prepares a series of detection devices, the needs of performance detection could be met, increase testing cost, detected
Journey is inconvenient and then reduces detection efficiency.
Invention content
In order to solve the above technical problems, the present invention provides a kind of Portable positive-negative-pressure biological protection equipment detection case, passes through
One device can easily realize the relevant parameter such as gas flow of positive/negative-pressure biological protection equipment, pressure difference, air-tightness, send
The detection of air quantity and filter filter efficiency is provided for the factory testing and personnel of positive/negative-pressure biological protection equipment using preceding detection
Great convenience, reduces testing cost, improves detection efficiency.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of Portable positive-negative-pressure biological protection equipment detection case, including babinet, is arranged in the babinet
There is a double-deck bracket, the bilayer bracket includes upper layer bracket, lower layer's bracket and several supporting rods, the upper layer bracket and described
Lower layer's bracket is fixedly connected by the supporting rod, and control flow, total power switch and filter are provided on the upper layer bracket
Interface, the control flow include display screen and integrated circuit board, and the display screen is connect with the integrated circuit board, total electricity
Source switch is connect with the integrated circuit board, it is described bilayer bracket on be provided with detection of gas flow rate system, pressure detecting system,
Air tightness detection system, air-supply amount detection systems and filter efficiency inspection system, the detection of gas flow rate system, institute
State pressure detecting system, the air tightness detection system, the air-supply amount detection systems and filter filter efficiency detection
System is connect with the integrated circuit board, and sampled downstream particle interface is provided on lower layer's bracket, and the filter connects
Mouth is connect with the sampled downstream particle interface, and the sampled downstream particle interface is connect with the air-supply amount detection systems, institute
Sampled downstream particle interface is stated to connect with the filter efficiency inspection system.
Preferably, the detection of gas flow rate system includes sequentially connected intake interface, high pressure mass flowmenter, high pressure
Sensor and outlet interface, the intake interface and the outlet interface may be contained on the upper layer bracket, the high pressure matter
Amount flowmeter and the high pressure sensor may be contained on lower layer's bracket, and the high pressure mass flowmenter and the high pressure pass
Sensor is connect with the integrated circuit board.
Preferably, the pressure detecting system include sequentially connected pressure sensor interface anode, low pressure sensor and
Pressure sensor interface cathode, the pressure sensor interface anode and the pressure sensor interface cathode may be contained within described
On the bracket of upper layer, the low pressure sensor is set on lower layer's bracket, the low pressure sensor and the integrated circuit board
Connection.
Preferably, the air tightness detection system includes the pressure detecting system and inflation system, the inflation system
Including sequentially connected air pump intake interface, inflator pump is gentle pumps out gas interface, and the air pump intake interface and the air pump go out
Gas interface may be contained on the upper layer bracket, and the inflator pump is set on lower layer's bracket, the inflator pump with it is described
Integrated circuit board connects.
Preferably, the air-supply amount detection systems include modulator knob, it is upper layer pressure measurement interface, lower layer's pressure measurement interface, low
Press mass flowmenter, special-shaped air hose and wind turbine, lower layer's pressure measurement interface, the low pressure mass flow meter, the special-shaped air hose
It is sequentially connected with the wind turbine, lower layer's pressure measurement interface is connect with the upper layer pressure measurement interface, and the sampled downstream particle connects
Mouth is connect with lower layer's pressure measurement interface, and the modulator knob and the upper layer pressure measurement interface may be contained within the upper layer bracket
On, lower layer's pressure measurement interface, the low pressure mass flow meter, the special-shaped air hose and the wind turbine may be contained within the lower layer
On bracket, the modulator knob is connect with the integrated circuit board, and the integrated circuit board is connect with the wind turbine, under described
Layer pressure measurement interface and the low pressure mass flow meter are connect with the integrated circuit board.
Preferably, the filter efficiency inspection system includes upstream concentration thief hatch, multiple-way valve, laser particle meter
Number device, filter, sampling pump, silencer, Voltage stabilizing module and modulator, the sampled downstream particle interface, the sampled upstream
Particle interface and the laser particle counter are connect with the multiple-way valve, the laser particle counter, the filter,
The sampling pump and the silencer are sequentially connected, and the sampling pump, the Voltage stabilizing module and the modulator are sequentially connected, institute
It states upstream concentration thief hatch to be set on the upper layer bracket, the multiple-way valve, the laser particle counter, the filtering
Device, the sampling pump, the silencer, the Voltage stabilizing module and the modulator may be contained on lower layer's bracket, described
Multiple-way valve, the laser particle counter, the filter, the sampling pump and the modulator with the integrated circuit board
Connection.
Preferably, RJ45 network interfaces and USB interface are provided on the upper layer bracket, the RJ45 network interfaces and the USB connect
Mouth is connect with the integrated circuit board.
Preferably, the babinet includes case lid, and sponge protective layer is filled on the inside of the case lid, is embedded with inside the case lid
Noise meter and test pipeline.
Preferably, handle and cover locking apparatus are provided on the cabinet exterior, the bottom of box is provided with universal
Wheel.
The present invention achieves following technique effect compared with the existing technology：
Detection case is equipped in the Portable positive-negative-pressure biological protection of the present invention, is provided with detection of gas flow rate system, pressure inspection
Examining system, air tightness detection system, air-supply amount detection systems and filter efficiency inspection system, detection of gas flow rate system
The bleed pressure that the gas flow of protective gear can be detected and entered from intake interface, pressure detecting system can detect protection
Internal static pressure is equipped, air tightness detection system can detect the air-tightness of protective gear, and air-supply amount detection systems can be examined
The air output and pressure of survey power supply air system simultaneously judge whether filter blocks, and filter efficiency inspection system can be examined
The filter efficiency of filter is surveyed, and then can easily realize the phase of positive/negative-pressure biological protection equipment by using a detection case
The detection of related parameter such as gas flow, pressure difference, air-tightness, air output and filter filter efficiency fills for positive/negative-pressure biological protection
Standby factory testing and personnel is provided a great convenience using preceding detection, is reduced testing cost, is improved detection efficiency.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram that detection case is equipped in Portable positive-negative-pressure biological protection of the present invention；
Fig. 2 is the structural schematic diagram of the double-deck bracket of the present invention；
Fig. 3 is the structural schematic diagram of upper layer bracket of the present invention；
Fig. 4 is the structural schematic diagram of lower layer's bracket of the present invention；
Fig. 5 is protective gear air-leakage test schematic diagram of the present invention；
Fig. 6 is filter filter efficiency detection principle diagram of the present invention；
Fig. 7 is the operation principle schematic diagram of multiple-way valve of the present invention.
Reference sign：1, babinet；2, case lid；3, handle；4, cover locking apparatus；5, control flow；6, test is managed
Road；7, noise meter；8, the double-deck bracket；9, upper layer bracket；10, lower layer's bracket；11, supporting rod；31, filter interface；32, regulate and control
Device knob；33, RJ45 network interfaces；34, total power switch；35, USB interface；36, intake interface；37, upstream concentration thief hatch；38、
Upper layer pressure measurement interface；39, pressure sensor interface anode；40, pressure sensor interface cathode；41, air pump intake interface；42、
Air pump outlet interface；43, outlet interface；51, filter；52, sampled downstream particle interface；53, lower layer's pressure measurement interface；54, high
Press mass flowmenter；55, low pressure mass flow meter；56, high pressure sensor；57, special-shaped air hose；58, wind turbine；59, laser particle
Counter；60, Voltage stabilizing module；61, sampling pump；62, modulator；63, low pressure sensor；64, multiple-way valve；65, inflator pump；66、
Silencer.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figs 1-4, the present embodiment provides a kind of Portable positive-negative-pressure biological protections to equip detection case, including babinet 1,
The double-deck bracket 8 is provided in babinet 1, the double-deck bracket 8 includes upper layer bracket 9, lower layer's bracket 10 and several supporting rods 11, upper layer
Bracket 9 is fixedly connected with lower layer bracket 10 by supporting rod 11, and control flow 5,34 and of total power switch are provided on upper layer bracket 9
Filter interface 31, control flow 5 include display screen and integrated circuit board, and display screen is connect with integrated circuit board, passes through control flow 5
It is allowed to run to open required detection part according to actually detected needs, total power switch 34 is connect with integrated circuit board, always
Power switch 34 is for being turned on and off control flow 5.Detection of gas flow rate system, pressure detecting system are provided on the double-deck bracket 8
System, air tightness detection system, air-supply amount detection systems and filter efficiency inspection system, detection of gas flow rate system, pressure
Force detection system, air tightness detection system, air-supply amount detection systems and filter efficiency inspection system are and integrated circuit
Plate connects, and sampled downstream particle interface 52, filter interface 31 and sampled downstream particle interface 52 are provided on lower layer's bracket 10
Connection, sampled downstream particle interface 52 are connect with air-supply amount detection systems, and sampled downstream particle interface 52 is imitated with filter filtering
Rate detecting system connects.
Detection of gas flow rate system includes sequentially connected intake interface 36, high pressure mass flowmenter 54, high pressure sensor
56 and outlet interface 43, intake interface 36 and outlet interface 43 may be contained on upper layer bracket 9, high pressure mass flowmenter 54 and height
Pressure sensor 56 may be contained on lower layer's bracket 10, and high pressure mass flowmenter 54 and high pressure sensor 56 connect with integrated circuit board
It connects.
Pressure detecting system includes sequentially connected pressure sensor interface anode 39, low pressure sensor 63 and pressure sensing
Device interface cathode 40, pressure sensor interface anode 39 and pressure sensor interface cathode 40 may be contained on upper layer bracket 9, low
Pressure sensor 63 is set on lower layer's bracket 10, and low pressure sensor 63 is connect with integrated circuit board.
As shown in figure 5, air tightness detection system includes pressure detecting system and inflation system, inflation system includes connecting successively
The air pump intake interface 41, the inflator pump 65 that connect be gentle to pump out gas interface 42, and air pump intake interface 41 is gentle, and to pump out gas interface 42 equal
It is set on upper layer bracket 9, inflator pump 65 is set on lower layer's bracket 10, and inflator pump 65 is connect with integrated circuit board.
Amount detection systems of blowing include modulator knob 32, upper layer pressure measurement interface 38, lower layer's pressure measurement interface 53, low pressure mass
Flowmeter 55, special-shaped air hose 57 and wind turbine 58, lower layer's pressure measurement interface 53, low pressure mass flow meter 55, special-shaped air hose 57 and wind turbine
58 are sequentially connected, and lower layer's pressure measurement interface 53 is connect with upper layer pressure measurement interface 38, and sampled downstream particle interface 52 connects with lower layer pressure measurement
Mouth 53 connects, and is achieved in being sequentially connected for filter interface 31, sampled downstream particle interface 52 and air-supply amount detection systems.It adjusts
Control device knob 32 and upper layer pressure measurement interface 53 may be contained on upper layer bracket 9, lower layer's pressure measurement interface 53, low pressure mass flow meter
55, special-shaped air hose 57 and wind turbine 58 may be contained on lower layer's bracket 10, and modulator knob 32 is connect with integrated circuit board, integrate electricity
Road plate is connect with wind turbine 58, and then realizes control and adjusting of the modulator knob 32 to wind turbine 58, lower layer's pressure measurement interface 53 and low
Pressure mass flowmenter 55 is connect with integrated circuit board.
As shown in fig. 6-7, filter efficiency inspection system includes upstream concentration thief hatch 37, multiple-way valve 64, laser
Corpuscular counter 59, filter 51, sampling pump 61, silencer 66, Voltage stabilizing module 60 and modulator 62, multipurpose valve 64 are provided with three
A interface, sampled downstream particle interface 52, sampled upstream particle interface 37 and laser particle counter 59 connect with multiple-way valve 64
It connects, laser particle counter 59, filter 51, sampling pump 61 and silencer 66 are sequentially connected, wherein filter 51 is act as
Sampling pump 61 is protected, prevents bulky grain from entering sampling pump 61, muffler 66 is used to eliminate the noise of sampling pump 61；Sampling pump 61,
Voltage stabilizing module 60 and modulator 62 are sequentially connected, and the voltage after modulator 62 adjusts is given to Voltage stabilizing module 60, Voltage stabilizing module 60
Voltage is connected to sampling pump 61 after adjusting.Upstream concentration thief hatch 37 is set on upper layer bracket 9, multiple-way valve 64, laser particle
Counter 59, filter 51, sampling pump 61, silencer 66, Voltage stabilizing module 60 and modulator 62 may be contained on lower layer's bracket, more
Port valve 64, laser particle counter 59, filter 51, sampling pump 61 and modulator 62 are connect with integrated circuit board.
Detection of gas flow rate button, pressure detection button, ventilating control button, air output detection are provided on control flow 5
Button, filter filter efficiency detection button and multiple-way valve regulation button, detection of gas flow rate button, fill pressure detection button
Gas control button, air output detection button, filter filter efficiency detection button and multiple-way valve regulation button are and integrated circuit
Plate connects, and wherein detection of gas flow rate button is used to control the opening and closing of detection of gas flow rate system, and pressure detection button is for controlling
The opening and closing of pressing pressure detecting system, ventilating control button are used to control the opening and closing of inflation system, and air output detection button is for controlling
The opening and closing of system air-supply amount detection systems, filter filter efficiency detection button is for controlling filter efficiency inspection system
Opening and closing, multiple-way valve regulation button is for adjusting multiple-way valve 64.
Be provided with RJ45 network interfaces 33 and USB interface 35 on upper layer bracket 9, RJ45 network interfaces 33 and USB interface 35 with it is integrated
Circuit board connects, and RJ45 network interfaces 33 are used for data copy for connecting network, USB interface 35.
Babinet 1 includes case lid 2, and 2 inside of case lid is filled with sponge protective layer, and 2 inside of case lid is used embedded with noise meter 7 and test
Pipeline 6, test pipeline 6 are provided with multiple.Handle 3 and cover locking apparatus 4 are provided on 1 outer wall of babinet, 1 bottom of babinet is set
It is equipped with universal wheel.
Specifically used process is：Start total power switch 34, open control flow 5, when the gas flow of detection protective gear
When, the corrugated hose of laboratory life-support system connects intake interface 36, and outlet interface 43 is by test pipeline 6 and is detected
The air inlet for surveying protective gear is connected, and starts the detection of gas flow rate button on control flow 5, opens detection of gas flow rate system,
Detection of gas flow rate system is the bleed pressure that can detect that gas flow and enter from intake interface 36, is shown on control flow 5
Gas flow values and air source pressure value.
When detecting the static pressure of protective gear, by test with pipeline 6 by detected protective gear and pressure sensing
Device interface anode 39 connects, and starts the pressure detection button on control flow 5, Opening pressure detecting system, you can measures protection dress
Standby static pressure shows static pressure force value on control flow 5.
When detecting the air-tightness of protective gear, detected protective gear and air pump outlet are connect with pipeline 6 by test
Mouth 42 connects, and is connected by another test pipeline 6 and is detected protective gear and pressure sensor interface anode 39, startup control
Pressure detection button on screen 5 and ventilating control button, Opening pressure detecting system and inflation system, by inflator pump 65 through gas
Gas interface 42 is pumped out to supplying inside protective gear, using the pressure value inside pressure detecting system detection protective gear, works as pressure
After power reaches desired value, by ventilating control button close inflation system by stop inflating, pressurize for a period of time, according to pressure
Drop-out value judges the air-tightness of protective gear.
When the air output of testing equipment supply air system, first upper layer pressure measurement interface 38 and pressure are connected with test pipeline 6
Sensor interface anode 39, and then pressure detecting system is connected, the air outlet for being detected power supply air system passes through another test
It is connected to filter interface 31 with pipeline 6, starts pressure detection button and air output detection button on control flow 5, opens pressure
Force detection system and air-supply amount detection systems, you can measure the gas flow and pressure of power supply air system, the pressure and power
The resistance of supply air system upper filter is consistent, for judging whether filter blocks.
When detecting the filter efficiency of filter, filter will be tested filter is connected to by test pipeline 6 and connect
Mouth 31 starts the filter filter efficiency detection button on control flow 5, opening filter efficiency inspection system, by more
Port valve regulation button adjusts multiple-way valve 64 so that the multiple-way valve bore closure of connection sampled downstream particle interface 52, connection upstream are adopted
The multiple-way valve hole of like-particles interface 37 and the multiple-way valve hole of connection laser particle counter 59 are kept it turning on, and are carried out upstream concentration and are adopted
Collection；It continues through multiple-way valve regulation button and adjusts multiple-way valve 64 so that the multiple-way valve bore closure of connection upstream concentration thief hatch 37,
The multiple-way valve hole of connection sampled downstream particle interface 52 and the multiple-way valve hole of connection laser particle counter 59 are kept it turning on, and are carried out
Downstream concentration acquires, and thus measures particle concentration at background particle concentration and filter interface 31, and then show that filter filters
Efficiency.
Detection case is equipped in Portable positive-negative-pressure biological protection in the present embodiment, is provided with detection of gas flow rate system, pressure
Force detection system, air tightness detection system, air-supply amount detection systems and filter efficiency inspection system, and then by using
One detection case can easily realize the relevant parameter such as gas flow of positive/negative-pressure biological protection equipment, pressure difference, air-tightness, send
The detection of air quantity and filter filter efficiency is provided for the factory testing and personnel of positive/negative-pressure biological protection equipment using preceding detection
Great convenience, reduces testing cost, improves detection efficiency.
Specific case is applied in this specification, and principle and implementation of the present invention are described, above example
Explanation be merely used to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
1. detection case is equipped in a kind of Portable positive-negative-pressure biological protection, which is characterized in that including babinet, be provided in the babinet
The double-deck bracket, the bilayer bracket includes upper layer bracket, lower layer's bracket and several supporting rods, the upper layer bracket and it is described under
Layer bracket is fixedly connected by the supporting rod, and being provided with control flow, total power switch and filter on the upper layer bracket connects
Mouthful, the control flow includes display screen and integrated circuit board, and the display screen is connect with the integrated circuit board, the general supply
Switch is connect with the integrated circuit board, and detection of gas flow rate system, pressure detecting system, gas are provided on the bilayer bracket
Close property detecting system, air-supply amount detection systems and filter efficiency inspection system, it is the detection of gas flow rate system, described
Pressure detecting system, the air tightness detection system, the air-supply amount detection systems and the filter filter efficiency detection system
System is connect with the integrated circuit board, and sampled downstream particle interface, the filter interface are provided on lower layer's bracket
It is connect with the sampled downstream particle interface, the sampled downstream particle interface is connect with the air-supply amount detection systems, described
Sampled downstream particle interface is connect with the filter efficiency inspection system.
2. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 1, which is characterized in that the gas stream
Amount detection systems include sequentially connected intake interface, high pressure mass flowmenter, high pressure sensor and outlet interface, the air inlet
Interface and the outlet interface may be contained on the upper layer bracket, and the high pressure mass flowmenter and the high pressure sensor are equal
It is set on lower layer's bracket, the high pressure mass flowmenter and the high pressure sensor connect with the integrated circuit board
It connects.
3. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 1, which is characterized in that the pressure inspection
Examining system includes sequentially connected pressure sensor interface anode, low pressure sensor and pressure sensor interface cathode, the pressure
Force snesor interface anode and the pressure sensor interface cathode may be contained on the upper layer bracket, the low pressure sensor
It is set on lower layer's bracket, the low pressure sensor is connect with the integrated circuit board.
4. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 3, which is characterized in that the air-tightness
Detecting system includes the pressure detecting system and inflation system, and the inflation system includes sequentially connected air pump air inlet connecting
Mouth, inflator pump are gentle to pump out gas interface, and the air pump intake interface and the air pump outlet interface may be contained within the upper layer support
On frame, the inflator pump is set on lower layer's bracket, and the inflator pump is connect with the integrated circuit board.
5. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 3, which is characterized in that the air output
Detecting system includes modulator knob, upper layer pressure measurement interface, lower layer's pressure measurement interface, low pressure mass flow meter, special-shaped air hose and wind
Machine, lower layer's pressure measurement interface, the low pressure mass flow meter, the special-shaped air hose and the wind turbine are sequentially connected, under described
Layer pressure measurement interface is connect with the upper layer pressure measurement interface, and the sampled downstream particle interface is connect with lower layer's pressure measurement interface,
The modulator knob and the upper layer pressure measurement interface may be contained on the upper layer bracket, lower layer's pressure measurement interface, described
Low pressure mass flow meter, the special-shaped air hose and the wind turbine may be contained on lower layer's bracket, the modulator knob with
The integrated circuit board connection, the integrated circuit board are connect with the wind turbine, lower layer's pressure measurement interface and the low pressure matter
Amount flowmeter is connect with the integrated circuit board.
6. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 1, which is characterized in that the filter
Efficiency inspection system includes upstream concentration thief hatch, multiple-way valve, laser particle counter, filter, sampling pump, noise elimination
Device, Voltage stabilizing module and modulator, the sampled downstream particle interface, the sampled upstream particle interface and the laser particle meter
Number devices connect with the multiple-way valve, the laser particle counter, the filter, the sampling pump and the silencer according to
Secondary connection, the sampling pump, the Voltage stabilizing module and the modulator are sequentially connected, and the upstream concentration thief hatch is set to institute
State on the bracket of upper layer, the multiple-way valve, the laser particle counter, the filter, the sampling pump, the silencer,
The Voltage stabilizing module and the modulator may be contained on lower layer's bracket, the multiple-way valve, the laser particle counter,
The filter, the sampling pump and the modulator are connect with the integrated circuit board.
7. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 1, which is characterized in that the upper layer support
RJ45 network interfaces and USB interface are provided on frame, the RJ45 network interfaces and the USB interface are connect with the integrated circuit board.
8. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 1, which is characterized in that the babinet packet
Case lid is included, sponge protective layer is filled on the inside of the case lid, noise meter and test pipeline are embedded with inside the case lid.
9. detection case is equipped in Portable positive-negative-pressure biological protection according to claim 1, which is characterized in that outside the babinet
Handle and cover locking apparatus are provided on wall, the bottom of box is provided with universal wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810348065.3A CN108344453B (en) | 2018-04-18 | 2018-04-18 | Portable positive and negative pressure biological protection equipment detection box |
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| CN201810348065.3A CN108344453B (en) | 2018-04-18 | 2018-04-18 | Portable positive and negative pressure biological protection equipment detection box |
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| CN108344453B CN108344453B (en) | 2023-05-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285002A (en) * | 2020-12-23 | 2021-01-29 | 北京核信锐视安全技术有限公司 | Filter efficiency online monitoring system and method for shelter filter |
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| CN112285002A (en) * | 2020-12-23 | 2021-01-29 | 北京核信锐视安全技术有限公司 | Filter efficiency online monitoring system and method for shelter filter |
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