CN206361808U - The weak turbulent air cleaning system of adjustable cleanliness factor and apply its operating room - Google Patents
The weak turbulent air cleaning system of adjustable cleanliness factor and apply its operating room Download PDFInfo
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- CN206361808U CN206361808U CN201621093022.8U CN201621093022U CN206361808U CN 206361808 U CN206361808 U CN 206361808U CN 201621093022 U CN201621093022 U CN 201621093022U CN 206361808 U CN206361808 U CN 206361808U
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Abstract
The utility model is related to a kind of weak turbulent air cleaning system of adjustable cleanliness factor and applies its operating room, has：One or more Fresh air handling units, it has blower fan, fresh air filter layer, dehydrating unit and air-conditioning device；Air-blow ceiling, it has filtering module, and the filtering module is configured as carrying out diffusing to the fresh air and return air of input so that the fresh air and return air are entered in medical room with weak turbulence form；Return air processor, it includes being used for the return air filtering that purification filtering is carried out to the return air of introducing；And central controller, the ability of its each functional unit for being configured as the environmental requirement (such as temperature, humidity, wind speed, cleanliness factor, filter differential pressure) according to medical room (such as all kinds of operating rooms) manually or automatically to adjust air cleaning system, such as air quantity, cold, heating amount, humidification amount.The utility model further relates to a kind of adjustable operating room of corresponding cleanliness factor.
Description
Technical field
The utility model relates generally to medical ventilation equipment field, in particular to a kind of weak rapids of adjustable cleanliness factor
Flow air cleaning system and apply its operating room.
Background technology
At present, the medical ventilation equipment of main flow is using unidirectional stream clean technology.Unidirectional stream, also known as " laminar flow ", refers to by sky
The air-flow that the direction of air purifying apparatus or clean area is consistent and streamline is almost parallel.The Rule of judgment unidirectionally flowed is：Pass through cleaning
The deviation of the streamline and ideal line in area is no more than 14 °.However, newest medical research as shown by data, unidirectional air supply stream operation
Room has higher postoperative infection risk.
In addition, medical treatment air-conditioning system majority is using central fresh air handling (dehumidifying, temperature adjustment) and filtering at present, circulated air exists
Every operating room is all individually handled, and processing mode is divided into " primary retirn air " or " first and second return air "." primary retirn air " refers to operation
The processing such as the Cycle Unit that room return air is all mixed and fed into required fresh air is dehumidified, temperature adjustment and filtering；" first and second return air "
Refer to a part of return air of operating room and required fresh air be mixed and fed into after the surface cooler of Cycle Unit is dehumidified again with residue
Return air mix and carry out temperature adjustment and filtering etc. processing." primary retirn air " simple system, but all return air are all through Cycle Unit
Machine dewpoint temperature (usually less than 16 DEG C) is reached after dehumidifying, therefore also needs heating to reach wind pushing temperature, so as to cause
" cold ", " heat " offset, and have not only wasted cold but also consumption of calorie, have not saved very much." first and second return air " system can reach the effect of energy-conservation
Really, but in order to realize to automatically control increase automatic regulating valve and executing agency are needed, causes in actual applications often fault rate
High, debugging difficulty is big, causes the system Difficulty.
In addition, in current medical institutions, difference operation needs to operate in the operating room with different cleanliness factors, hand
Art room grade and applicable type of surgery for example refer to following form：
Table 1：Clean operating room room grade scale GB50333-2013《Standard for daylighting design of industrial enterprises》
Table 2：Toilet and clean area air purity integer grade GB29515.1-2010/ISO 14644-1:1999
《Cleanliness factor and associated controlled environment Part I：Grade of cleanliness》
Note：Operating room concern particle diameter is 0.5 μm and 5 μm
Therefore, for every kind of operating room grade, each medical institutions must build the operating room of multiple grades respectively
To meet the cleanliness factor needs of different operations.However, this not only causes high construction cost, and high space is caused to need
Ask.When operating room is runed, scheduling often can not meet operation actual demand.
Utility model content
From prior art, task of the present utility model is to provide a kind of weak turbulent air purification system of adjustable cleanliness factor
Its operating room is united and applied, by the weak turbulent air cleaning system, infection rate after abortion operation can be substantially reduced, substantially reduce energy
Consumption, and the construction cost and space requirement of operating room are significantly reduced simultaneously.
According to the utility model, the task is solved by a kind of weak turbulent air cleaning system of adjustable cleanliness factor, should
Weak turbulent air cleaning system has：
One or more Fresh air handling units, its with it is outdoor connect for medical room introduce fresh air, the Fresh air handling units
With for the adjustable brushless DC blower of rotating speed from outdoor introducing fresh air, for the fresh air progress purification filtering to introducing
Fresh air filter layer, the dehydrating unit dehumidified for the fresh air to introducing and for carrying out temperature adjustment to the fresh air of introducing
Air-conditioning device, the air-conditioning device includes the air-cooled outdoor machine of digital variable-capacitance direct-expansion type for being used to provide low-temperature receiver；
Air-blow ceiling, it is arranged in the top in medical room and connected by the fresh air air outlet of drainage tube and Fresh air handling units
Connect and be connected by check-valves with the return air air outlet of return air processor, the air-blow ceiling has filtering module, the mistake
Filter module is configured as filtering the fresh air and return air of input, pressed and diffusing so that the fresh air and return air are with weak rapids
Manifold formula is entered in medical room；
Return air processor, its return air air inlet be connected with medical room for the introducing return air from medical room and its
Return air air outlet is connected for the return air through processing is transmitted back in medical room by check-valves with air-blow ceiling, wherein institute
State the return air filtering that return air processor includes being used for carrying out the return air of introducing purification filtering；And
Central controller, it is configured as the brushless direct-current that Fresh air handling units are adjusted according to the purity requirements in medical room
The rotating speed of blower fan and/or the unlatching number of units of fresh-air fan.
Here, operating room grade can be changed in the following way：It is new to adjust to change the rotating speed of brshless DC motor
Air quantity (1200m3/h、1000m3/h、800m3/ h), while (digital variable volume is directly swollen by the supporting air-conditioning outdoor machine of Fresh air handling units
Formula air-cooled unit) cold it is matched；(I class operating rooms are the air supply velocity of air-supply arrangement (air-blow ceiling) in domination set
0.24-0.3m/s, air quantity 8000-10000m3/ h) and/or control operating room minimum rate of ventilation (24 times/h of II classes, Group III
18 times/h, IV class, 12 times/h), met not indeed through the number of run and/or rotation speed of fan of return air processor is changed
The different purity requirements of same level operating room.Temperature, the humidity of operating room construction system are adjusted simultaneously.
At least had the following advantages that according to weak turbulent air cleaning system of the present utility model：(1) it is empty using the weak turbulent flow
Gas cleaning system, can be effectively reduced infection risk, because, found according to the research of utility model people, unidirectionally
Circulation wind devices cause high infection rate main reason is that, its air cleaner (such as HEPA, High Efficiency
Particulate, high efficiency particulate air filter) although the microorganisms such as fungi, bacterium can effectively be trapped, in actual use process
In, filter turns into the hotbed for taking and breeding microorganism in itself, and because the air-out direction of unidirectional streaming wind devices is general
Regularly it is directed at operating table so that be easy to that the bacterium in filter layer is directly blown into operating table, such as hand by one-way gas flow
Art operating position, so as to cause postoperative infection；And the weak turbulent air cleaning system in the application uses weak turbulent flow technology, due to
The direction randomness of weak turbulent flow, even if therefore the air-out direction of blowing device is directed at operating table, the bacterium in filter layer is straight
Connect and be blown into the probability of operating table and can also substantially reduce, so as to be effectively reduced postoperative infection risk；(2) it is empty using the weak turbulent flow
Gas cleaning system, can greatly save electric energy, because, found according to unique insight of utility model people, it is only necessary to
Complete dehumidifying, temperature adjustment and purified treatment is carried out to fresh air, and return air is only needed to carry out purified treatment, just can be by medical treatment
The air quality in room is maintained at preferable level, because increased hot humidity load (including the latent heat due to indoor occupant operation
And sensible heat) only (it can for example increase 150-200m by marginally increasing resh air requirement completely3/ h) offset, without right
Return air is dehumidified and temperature adjustment；So, not only save for being dehumidified to return air, the electric energy of temperature adjustment, and due to
Dehumidification process is transferred completely into Fresh air handling units without performing dehumidification function in return air processor, it is thus also avoided that primary retirn air
In " cold and hot to offset " the drawbacks of, improve temperature control efficiency；In addition, being exchanged using the adjustable brushless DC blower of rotating speed with using
Blower fan, which is compared, can save 30% electric energy, and compared with the alternating current generator of air quantity is adjusted by frequency conversion stepping, it is straight by regulation
The rotating speed of stream motor just can infinitely adjust air quantity, simple system, easy to use and reduce investment outlay；(3) due to the weak rapids
The cleanliness factor for flowing air cleaning system is adjustable, therefore different cleanliness factors can be realized in same operating room using the system,
Allow the same operating room to serve as the operating room of different cleaniliness classses, thus significantly reduce operating room construction cost and
Space requirement；This is again based on the unexpected discovery of utility model people：Blower fan (Fresh air handling units, exhaust blower, return air
Unit) brshless DC motor is equipped with, by infinitely adjusting rotating speed, it is convenient to adjust all kinds of air quantity, brshless DC motor work(
Rate is small, in hectowatt grade, and the power attenuation that regulation rotating speed is brought is in tolerance interval (such as tens of watts), but bring it is convenient
Make the loss insignificant with energy-saving effect.
Herein, it is noted that the weak turbulent flow (also known as low turbulent flow) used in the utility model refers to, the turbulent flow of air-flow
It is 5% to 20% to spend (or turbulivity, i.e. air velocity are relative to the measurement that average value is fluctuated, i.e. relative standard deviation).In addition,
Turbulence level<5% is unidirectional stream or laminar flow, turbulence level>20% for turbulent flow or turbulent flow (referring to DIN：DIN1946-4：
2008)。
Provided in an expansion scheme of the present utility model, the medical room includes：It is operating room, public ward, new
Raw youngster ward, central supply room and ICU wards.Pass through the expansion scheme, it is possible to achieve the desired air in a variety of medical rooms
Cleanliness factor.Other medical rooms or require similar air purity room be also it is contemplated that.
Provided in a preferred scheme of the present utility model, the medical room is operating room, and the weak turbulent flow is empty
Gas cleaning system also includes operating room real-time detecting system, and the operating room real-time detecting system includes temperature monitor, humidity
Detector, wind speed detector, pressure difference detector and detection of particles instrument, and the central controller is additionally configured to basis
Temperature, humidity, wind speed, pressure drop and the particle concentration detected adjusts the brushless straight of the Fresh air handling units and return air unit
The rotating speed of flow fan and the cold of the straight swollen air-cooled unit of regulation digital variable volume.The pressure difference for example can be air-flow in warp
Cross filter layer (also known as filter core) in the past with later pressure differential so that by monitoring pressure differential come the life-span of monitoring filtering layer.It is logical
The preferred scheme is crossed, dynamically the air parameter in operating room can automatically be maintained and meet corresponding operating room cleanliness factor etc.
In the range of level is required.
Provided in another preferred scheme of the present utility model, the blower fans of Fresh air handling units is equipped with brshless DC motor with reality
Show the step-less adjustment of air quantity, and two Fans are used in series.By the preferred scheme, the functional section of Fresh air handling units can be met
More, it is necessary to the demand of high-head air-supply.Two groups of series connection fan linkages, its fresh air can meet the consumption of 4 operating rooms.
Provided in another preferred scheme of the present utility model, the return air processor includes multiple return air processors, and
And central controller be additionally configured to be opened according to the purity requirements in medical room respective number return air processor or
Adjust the rotating speed of each return air processor.By the preferred scheme, when especially there are excessive personnel in medical room, reach
Required cleaniliness classs.This be based primarily upon energy-conservation consider, when room number is excessive, both can by increase resh air requirement,
Return air treating capacity can also be increased to realize required cleanliness factor, but be due to that return air processor need not be dehumidified and adjusted
Temperature, therefore required cleaniliness classs is reached by increasing return air processor, the increase of its energy consumption is seldom.
Provided in another preferred scheme of the present utility model, the thickness of the filter layer of the filtering module and/or each mistake
The pitch of the folded filter paper of filtering layer is provided so that inputted fresh air and return air enter medical room with weak turbulence form
In.Filtering module for example including static pressure space, stream film, diffuser plate.
Provided in an expansion scheme of the present utility model, the mistake of the fresh air filter layer and/or the filtering module
Filtering layer and/or the return air filtering include HEPA air filtration layers and/or IFD purge modules and/or active carbon filter screen.
By the expansion scheme, purification filtering targetedly can be carried out to air according to actual conditions, realize preferable air quality.
Provided in another preferred scheme of the present utility model, the air-blow ceiling includes the air-blow ceiling mould of four rectangles
Block, the air-blow ceiling module connects the air-blow ceiling of squarely jointly.Pass through the preferred scheme, it is possible to achieve air-blow ceiling
Standardised configuration, so as to realize the dismounting of optimization, assembling and store in a warehouse.
Provided in another preferred scheme of the present utility model, enclosing, the enclosing are disposed with the lower end of air-blow ceiling
For the air-flow progress water conservancy diversion exported to air-blow ceiling.The highly preferred of the enclosing is 450mm., can be with by preferred scheme
Purification air is delivered to operating table working face in the case of relatively low wind speed, such as 0.24m/s.
In another aspect of the present utility model, foregoing task is solved by a kind of adjustable operating room of cleanliness factor, and it has
The weak turbulent air cleaning system of with good grounds adjustable cleanliness factor of the present utility model., can according to operating room of the present utility model
Difference is reached by opening respective number Fresh air handling units and return air unit or adjusting the rotating speed of single fighter to change air quantity
Cleaniliness classs, i.e., between different operating room grades switch, to meet the purity requirements of different operations.
Brief description of the drawings
The utility model is expanded on further with reference to specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 shows the schematic diagram of the weak turbulent air cleaning system according to adjustable cleanliness factor of the present utility model；
Fig. 2A and 2B respectively illustrate sending according to the weak turbulent air cleaning system of adjustable cleanliness factor of the present utility model
The bottom view and cross-sectional view of wind smallpox；And
Fig. 3 is shown according to the operating room real-time detecting system 300 of weak turbulent air cleaning system of the present utility model
Schematic diagram.
Embodiment
Fig. 1 shows the schematic diagram of the weak turbulent air cleaning system 100 according to adjustable cleanliness factor of the present utility model.
It should be noted here that although embodiment of the present utility model is illustrated by taking operating room as an example, people in the art
Member is it is understood that what this was merely exemplary, and the utility model can be also used for other application occasion, such as public ward, new
Raw youngster ward, intensive care unit and other occasions to air quality with similar requirement.Here, it should also be noted that this reality
It is an objective parameter with the weak turbulent flow used in new, it refers to, the turbulence level of air-flow (or turbulivity, i.e. air velocity
Measurement, the i.e. relative standard deviation fluctuated relative to average value) it is 5% to 20%.In addition, turbulence level<5% is unidirectional stream or layer
Stream, turbulence level>20% for turbulent flow or turbulent flow (referring to DIN：DIN1946-4：2008).
Fig. 1 weak turbulent air cleaning system 100 includes one or more (being herein two) Fresh air handling units 101.Herein
Although it should be pointed out that weak turbulent air cleaning system 100 is shown as including two Fresh air handling units 101 in Fig. 1, at it
In its embodiment, it can also include more or fewer Fresh air handling units 101.Fresh air handling units 101 with outdoor connect for
Fresh air is introduced to medical room 111.The Fresh air handling units 101, which have, is used for adjustable two strings of rotating speed from outdoor introducing fresh air
The brushless DC blower 102 of connection, the fresh air filter layer 103 for carrying out purification filtering to the fresh air of introducing, for introducing
Fresh air carries out the air-conditioning device (not shown) of dehumidifying and temperature adjustment.
In the present embodiment, by the utility model, in the case of preferably one Fresh air handling units 101, it can serve
One or more operating rooms.
In addition, as needed, Fresh air handling units can also include other purifiers, such as be used for by making particle in air
Ionization comes IFD purge modules and chemical filtering module of adsorption particle etc..In addition, air-conditioning device can be both cooling and heating
Type air-conditioning so that can simply realize conversion of the air-conditioning device between refrigeration and heating mode.In addition, the air-conditioning device
Outdoor machine can also be digital variable volume direct-expansion type air-cooled unit, wherein in straight-expansion type air conditioner machine, refrigerant is direct with air
Heat exchange, without preparing the intermediate link of the indirect heat exchanges such as air conditioner cold water, so as to reduce loss.It is furthermore possible to vary filtering
The pitch of the thickness of the filter layer of module 105 or the folded filter paper of adjustment filter layer so that be conducive to the formation of weak turbulent flow.
Weak turbulent air cleaning system 100 also includes air-blow ceiling 104, and it is arranged in medical room in ceiling form
111 top and be connected by drainage tube 112 with the fresh air air outlet of Fresh air handling units 101 and by check-valves 106 with return
The return air air outlet 110 of wind processor 107 is connected.Air-blow ceiling 104 has filtering module 105, and it includes static pressure space, mistake
Filtering layer, stream film, diffuser plate, the filtering module 105 are configured as filtering the fresh air and return air of input, press and dissipate
Stream so that the fresh air and return air are entered in medical room 111 with weak turbulence form.
The discharge directions of drainage tube 112 (also known as drainage air channel) and pipeline where check-valves into 15 ° of -45 ° of acute angle degree, with
Fresh air is avoided to send " gas is blocked up " phenomenon with return air.
Preferred size is usually placed in the surface of operating table 115 for 3mx3m air-blow ceiling 104, forms weak turbulent flow and send
The exemplary relation of the field of operation of wind, operating room grade and air quantity is as follows：I grades, II grades, III level, IV grades of operating rooms, resh air requirement
Respectively 1200m3/h、1000m3/h、 800m3/h、800m3/ h, air output is respectively 8100m3/h、4400m3/h、2400m3/
h、 1600m3/h；Change the operation number of units of Fresh air handling units 101 and/or the rotating speed of brshless DC motor 102, change return air unit
Operation number of units or brushless DC blower rotating speed, regulation air quantity is to meet the cleanliness factor of different stage operating room.It should be pointed out that
What the data were merely exemplary, what other parameters can also be contemplated that.
Weak turbulent air cleaning system 100 also includes return air processor 107a and 107b, its return air air inlet 117 and medical treatment
Room 111 connects to introduce return air and its return air air outlet 110 from medical room 111 by check-valves 106 with sending
Wind smallpox 104 connects the return air through processing being transmitted back in medical room 111.Return air processor 107a and 107b include
The return air filtering 109 of purification filtering, return air fan 108 are carried out (equipped with brushless dc for the return air to introducing
Machine).It need not include dehumidifier in return air the processor 107a and 107b of weak turbulent air cleaning system 100 of the present utility model
And air-conditioning device, but can equally realize preferable air quality.In the present embodiment, two return air are exemplarily employed
Processor 107a and 107b, but in other embodiments, lesser number or more number return air processor can also be used
107a and 107b is come the return air amount required for handling.Return air the processor 107a and 107b of operation number can be according to operating rooms
Rank is adjusted.For example, changing the rotation speed of fan of operation number of units or single unit.Fresh air processor 101, return air processor 107a
It can be controlled with 107b unlatching number of units and rotating speed by central controller 114.
Further, it is also possible to alternatively arrange exhaust outlet 116, it is used to air being discharged to outdoor from operating room 113, row
Air port 116 can for example have blower fan, such as ventilating fan.
The air circulation process in weak turbulent air cleaning system 100 of the present utility model is described below.It is outdoor empty
Gas enters in fresh-air fan 101 in the presence of brushless DC blower 102 first, and undergoes dehumidifying, refrigeration and cleaned filtration
Journey, the fresh air through processing is entered in air-blow ceiling 104 by drainage tube 112, filtering, diffusing then in filtering module 105 etc.
Operating table 115 and field of operation are randomly blown into rather than uniaxially directly to operation with weak turbulence form, i.e. direction under effect
Platform 115 is blowed, and can so prevent from the microorganisms such as the bacterium in filtering module 105 being blown into operating table region in large quantities, outstanding
It is operation technique position, so as to reduce postoperative infection risk.Air in operating room 111 is then from operating room bottom
Return air outlet 113 is transported at the return air air inlet 117 of return air processor 107, and after filtration, purification by return air at
The return air air outlet 110 and check-valves 106 of reason machine 107 are transported in air-blow ceiling 104, and in warp together with the fresh air of input
Filtering module 105 is crossed to be again introduced into operating room 111 to start air circulation next time later.Return air inlet 113 can be controlled
Return wind velocity≤1m/s, it is necessary to when the built-in silencing apparatus of return air processor.
At least had the following advantages that according to weak turbulent air cleaning system 100 of the present utility model：(1) the weak rapids is utilized
Air cleaning system 100 is flowed, infection risk can be effectively reduced, because, sent out according to the research of utility model people
It is existing, one-way flow wind devices cause high infection rate main reason is that, its air cleaner is although can effectively trap true
Microorganisms such as bacterium, bacterium, but in actual use, filter in itself into the hotbed for taking and breeding microorganism in, and
Because the air-out direction of unidirectional flow device is generally fixedly directed at operating table so that be easy to directly blow the bacterium in filter layer
To operating table, such as operation technique position, so as to cause postoperative infection；And the weak turbulent air cleaning system in the application
100 use weak turbulent flow technology, due to the direction randomness of weak turbulent flow, even if therefore being directed at the air-out direction of ventilation equipment 100
Operating table 115, the probability that the bacterium in filter layer is directly blown into operating table 115 can also be substantially reduced, so as to effectively drop
Low postoperative infection risk；(2) the weak turbulent air cleaning system 100 is utilized, electric energy can be greatly saved, because, root
Found according to unique insight of utility model people, it is only necessary to which depth dehumidifying, temperature adjustment and purified treatment are carried out to fresh air, and to return air
Only need to carry out purified treatment, just the air quality in medical room 111 can be maintained at preferable level, because indoor people
Member's increased hot humidity load (including latent heat and sensible heat) of operation only can be offset by marginally increasing resh air requirement completely, and
Return air need not be dehumidified and temperature adjustment；So, not only save for being dehumidified to return air, the electric energy of temperature adjustment,
And due to dehumidification process is transferred completely into Fresh air handling units 101 without performing dehumidifying in return air processor 107a and 107b
Function, it is thus also avoided that the drawbacks of " cold and hot to offset " in primary retirn air, improves temperature control efficiency；In addition, adjustable using rotating speed
Brushless DC blower 102,108 can save 30% electric energy compared with using AC blower fan, and with being adjusted by frequency conversion stepping
The alternating current generator of air quantity is compared, and air quantity, simple system, user just can be infinitely adjusted by the rotating speed for adjusting direct current generator
Just and cost of reducing investment outlay；(3) because the cleanliness factor section of the weak turbulent air cleaning system 100 is adjustable, therefore using this it is
System can realize different cleanliness factors in same operating room 111 so that the same operating room 111 can serve as different cleanliness factors
The operating room of grade, so as to significantly reduce the construction cost and space requirement of operating room；This is again based on utility model people's
It is unexpected to find：I-IV grades of operating room resh air requirements are determined by medical worker's quantity, are typically set at 12 people, 10 people, 8
People, 8 people；Resh air requirement is generally 1200m3/h、1000m3/h、800m3/h、800m3/h.Verified, increasing few resh air requirement is
Hot humidity load during operating room operation can be eliminated, the air conditioning function of weak turbulent flow air cleaning and conditioning system is undertaken, and return air only needs to hold
The purification function of load system, energy saving of system effect is obvious after " function " segmentation；Fresh-air fan, return air fan are equipped with brushless dc
Machine can be saved and the very convenient regulation rotating speed of energy, so as to adjust air quantity, change operating room cleanliness factor.Now, fan efficiency meeting
Reduction, because brshless DC motor the power of configuration in itself is at " hectowatt grade ", therefore the loss produced is imitated with the energy-conservation brought
Fruit can be neglected with convenient compare is run.
Fig. 2A and 2B respectively illustrate the bottom of the air-blow ceiling 104 according to weak turbulent air cleaning system of the present utility model
View and cross-sectional view.
Air-blow ceiling 104 in Fig. 2A includes the air-blow ceiling module 201-204 of four rectangles.Herein, it is noted that to the greatest extent
Air-blow ceiling 104 is shown as being made up of four rectangle ceiling 201-204 by pipe Fig. 2A and 2B, but in other embodiments, send
Wind smallpox 104 can also integrated shaping, by more or fewer air-blow ceiling module composition, or including other shapes
The air-blow ceiling module of shape.
In fig. 2, each air-blow ceiling module 201-204 size illustratively is 1400cmx1600cm, the size
Air-blow ceiling module is easily assembled to, and the air-blow ceiling 104 assembled can preferably cover 3x3m2Operating table region.But
Other sizes can also be contemplated that.
In fig. 2, it is assembled into by the way that the air-blow ceiling module 201-204 of four identical sizes side is engaged
Complete air-blow ceiling 104.Pass through the air-blow ceiling 104 so designed, it is possible to achieve use smaller air-blow ceiling module 201-204
Larger air-blow ceiling 104 is assembled into, while the standardised configuration of air-blow ceiling is realized, to realize convenient dismounting, assembling and storehouse
Storage.The middle part of the square air-blow ceiling 104 assembled forms square gap 212, and it is used for receiving sleeve 301.The sleeve
301 are used to air-blow ceiling 104 being fixed on roof, referring specifically to Fig. 2 B.
Fig. 2 B show the cross-sectional view that air-blow ceiling 104 is made along the A-A transversals in Fig. 2A.
In Fig. 2 B cross-sectional view, two air-blow ceiling modules 201 and 202 of air-blow ceiling 104 are shown, wherein
Each air-blow ceiling module 201 and 202 includes filtering module 105, and it includes filter layer, stream film and diffuser plate.Assemble
Air-blow ceiling 104 by can relative to wall top rotate and lift in the way of be fixed on by sleeve 301 on roof, sent to adjust
The orientation and terrain clearance of wind smallpox 104.Here, by changing the thickness of filter layer and/or adjusting the folded filter paper of filter layer
Pitch inputted fresh air and return air entered in medical room with weak turbulence form.
Air-blow ceiling 104 can preferably include enclosing 205, and the enclosing 205 be arranged in the lower end of air-blow ceiling, with
Water conservancy diversion is carried out in the air-flow exported to air-blow ceiling.The highly preferred of the enclosing is 450mm.By preferred scheme, can compared with
Purification air is delivered to operating table working face in the case of low wind speed, such as 0.24m/s.Enclosing 205 for example can be by transparent
Glass plate or resin material are made.
In addition, schematically illustrating the upper of the thickness of air-blow ceiling 104, i.e. filtering module and air-blow ceiling 104
Border 600mm, and with lower edge at a distance of 450mm.Other sizes are also what is be contemplated that.
Fig. 3 shows the operating room real-time detecting system 300 according to weak turbulent air cleaning system 100 of the present utility model
Schematic diagram.In figure 3, operating room real-time detecting system 300 exemplarily includes temperature monitor 301, humidity measurement instrument
302nd, wind speed detector 303, pressure difference detector 304 and detection of particles instrument 305, they are respectively configured as detecting operating room
Interior temperature, humidity, wind speed, pressure drop and particle concentration or population.In the present embodiment, operating room real-time detecting system
300 can also include wireless transmitting unit 306, and it is configured as detected temperature value, humidity value, wind wirelessly
Fast value, pressure difference and particle concentration value or population are sent to central controller 114.Central controller 114 is according to received
Information manually or automatically system is adjusted, all kinds of operating room desired air parameters are maintained, also including parameter
Display and alarm.Herein, it is noted that although operating room real-time detecting system 300 is shown as with wireless in the present embodiment
Mode communicates with central controller 114, but in other embodiments, can also be communicated by wired mode, Er Qie
In other embodiments, less or more detection means can be arranged in operating room.
Although some embodiments of the present utility model are described in present specification, to this area
It is obvious to the skilled person that these embodiments are merely possible to shown in example.It may occur to persons skilled in the art that
Numerous flexible program, alternative solution and improvement project and without departing from scope of the present utility model.Appended claims are intended to
Scope of the present utility model is limited, and thereby covers method and knot of these claims in itself and its in the range of equivalents
Structure.
Claims (11)
1. a kind of weak turbulent air cleaning system of adjustable cleanliness factor, has：
One or more Fresh air handling units, it is connected for introducing fresh air to medical room with outdoor, and the Fresh air handling units have
The fresh air of purification filtering is carried out for the adjustable brushless DC blower of rotating speed from outdoor introducing fresh air, for the fresh air to introducing
Filter layer, the dehydrating unit dehumidified for the fresh air to introducing and the air-conditioning that temperature adjustment is carried out for the fresh air to introducing
Device, the air-conditioning device includes the air-cooled outdoor machine of digital variable-capacitance direct-expansion type for being used to provide low-temperature receiver；
Air-blow ceiling, it is arranged in the top in medical room and connected simultaneously by the fresh air air outlet of drainage tube and Fresh air handling units
And be connected by check-valves with the return air air outlet of return air processor, the air-blow ceiling has filtering module, the filter module
Block is configured as filtering the fresh air and return air of input, pressed and diffusing so that the fresh air and return air are with weak turbulent flow shape
Formula is entered in medical room；
Return air processor, its return air air inlet is connected to introduce return air and its return air from medical room with medical room
Air outlet is connected for the return air through processing is transmitted back in medical room by check-valves with air-blow ceiling, wherein described time
Wind processor includes being used for the return air filtering that purification filtering is carried out to the return air of introducing；And
Central controller, it is configured as the brushless DC blower that Fresh air handling units are adjusted according to the purity requirements in medical room
Rotating speed and/or fresh-air fan unlatching number of units.
2. weak turbulent air cleaning system according to claim 1, wherein the medical room includes：It is operating room, common
Ward, Neonatal Ward, central supply room and ICU wards.
3. weak turbulent air cleaning system according to claim 1, wherein the medical room is operating room, and it is described
Purity requirements include the air cleaning degree set according to different type of surgery or grade.
4. weak turbulent air cleaning system according to claim 1, wherein the return air processor is included at multiple return air
Reason machine, and central controller is additionally configured to open the return air processing of respective number according to the purity requirements in medical room
Machine or the rotating speed for adjusting each return air processor.
5. weak turbulent air cleaning system according to claim 1, wherein the medical room is operating room, and this is weak
Turbulent air cleaning system also includes operating room real-time detecting system, and the operating room real-time detecting system includes temperature detection
Instrument, humidity measurement instrument, wind speed detector, pressure difference detector and detection of particles instrument, and the central controller is also configured
To adjust the brushless direct-current wind of the Fresh air handling units according to the temperature detected, humidity, wind speed, pressure drop, particle concentration
The rotating speed of machine and the cold of the straight swollen air-cooled unit of regulation digital variable volume.
6. the weak turbulent air cleaning system according to one of claim 1 to 5, wherein the filter layer of the filtering module
The distance between thickness and/or each filter layer are provided so that inputted fresh air and return air enter doctor with weak turbulence form
Treat in room.
7. weak turbulent air cleaning system according to claim 6, wherein the fresh air filter layer and/or the filter module
The filter layer of block and/or the return air filtering include HEPA air filtration layers and/or IFD purge modules and/or activated carbon
Filter screen.
8. the weak turbulent air cleaning system according to one of claim 1 to 5, wherein the air-blow ceiling includes four squares
The air-blow ceiling module of shape, the air-blow ceiling module connects the air-blow ceiling of squarely jointly.
9. the weak turbulent air cleaning system according to one of claim 1 to 5, wherein being disposed with the lower end of air-blow ceiling
Enclosing, the enclosing carries out water conservancy diversion for the air-flow exported to air-blow ceiling.
10. the weak turbulent air cleaning system according to one of claim 1 to 5, the wherein blower fan of Fresh air handling units equipped with
Brshless DC motor is to realize the step-less adjustment of air quantity, and two Fans are used in series.
11. a kind of operating room, it has the weak turbulent air purification of the adjustable cleanliness factor according to one of claim 1 to 5
System.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107883436A (en) * | 2016-09-29 | 2018-04-06 | 殷晓冬 | The weak turbulent air cleaning system of adjustable cleanliness factor |
| CN108119965A (en) * | 2018-01-15 | 2018-06-05 | 上海云懋空气处理设备有限公司 | A kind of low dew point dehumidification system energy saver of humiture, cleanliness factor sub-control |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883436A (en) * | 2016-09-29 | 2018-04-06 | 殷晓冬 | The weak turbulent air cleaning system of adjustable cleanliness factor |
| CN108119965A (en) * | 2018-01-15 | 2018-06-05 | 上海云懋空气处理设备有限公司 | A kind of low dew point dehumidification system energy saver of humiture, cleanliness factor sub-control |
| CN109959093A (en) * | 2019-03-27 | 2019-07-02 | 中国北方车辆研究所 | A kind of fresh air treatment system for multiple climate cells |
| CN111351151A (en) * | 2020-03-08 | 2020-06-30 | 中国人民解放军火箭军工程设计研究院 | Variable air volume fresh air dehumidification system for underground engineering and control method thereof |
| CN111486529A (en) * | 2020-03-25 | 2020-08-04 | 西安建筑科技大学 | Pathogenic microorganism prevention and control ward air directional transmission device and air sterilization and killing system |
| CN112923541A (en) * | 2021-03-22 | 2021-06-08 | 南京拓展科技有限公司 | Device and method capable of simultaneously realizing energy conservation and high-precision temperature and humidity control |
| CN115264670A (en) * | 2022-09-27 | 2022-11-01 | 新医建(江苏)智能环境科技有限公司 | Clean room intelligent energy-saving system based on carbon neutralization |
| CN115264670B (en) * | 2022-09-27 | 2023-02-28 | 新医建(江苏)智能环境科技有限公司 | Clean room number intellectualized energy saving system based on carbon neutralization |
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