CN107883462A - Medical air draft fresh air one rack - Google Patents
Medical air draft fresh air one rack Download PDFInfo
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- CN107883462A CN107883462A CN201610865081.0A CN201610865081A CN107883462A CN 107883462 A CN107883462 A CN 107883462A CN 201610865081 A CN201610865081 A CN 201610865081A CN 107883462 A CN107883462 A CN 107883462A
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- air
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- draft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to a kind of medical air draft fresh air one rack, including：First rack, it has air draft entrance, wind exhausting outlet, air exhaust passage, exhaust fan, heat reclamation device, fresh air inlet, fresh air pre-filtering module, the first fresh air channel, chemical filter, preheater, fresh air air intake blower fan；And second rack, it has the second fresh air channel, dehumidifier, heater, humidifier, fresh air air-out blower fan, terminal filter and fresh air outlet, and it is used to send out fresh air.Fresh air function and air-exhausting function are integrated by the medical air draft fresh air one rack, and to used heat or it is useless cold be used to realize energy-conservation, and completely separable realize further energy-conservation by the way that Fresh air handing and return air are handled.The outdoor machine of idle call low-temperature receiver is digital variable volume direct-expansion type air-cooled unit.
Description
Technical field
Present invention relates in general to medical ventilation equipment field, in particular to a kind of medical air draft fresh air all-in-one
Cabinet.
Background technology
China has higher technical requirements to medical environment, and these requirements are：(1) air purity, cleaning room
I, II, III and IV level can be divided into according to purposes, operating room divides field of operation and peripheral region, and different brackets room has different clean
Cleanliness requirement, the concentration of 0.5 μm and 5 μm particulate is an important parameter for needing to control wherein in air；(2) comfortableness, hand
Art room temperature general control is at 21 DEG C to 25 DEG C, and relative humidity general control is 30% to 60%；(3) clump count, in field of operation
With needed in peripheral region control bacterium maximum mean concentration.
In concrete practice, also need to perform control and the balance of air quantity, this is primarily for following several requirements：(1) it is clean
Degree requires that this needs enough " purification air quantity ", such as I levels operating room to ensure being averaged to 0.25m/s of surgical work area 0.2
Wind speed；(2) certain " air-conditioning air volume " is needed for the requirement of medical environment comfortableness, to eliminate the hot humidity load in room, bag
Sensible heat and latent heat are included, and generally foregoing " purification air quantity " is more than " air-conditioning air volume "；Meanwhile comfort air conditioning system ventilation time need to be met
Number, for example be generally 5 times/when；(3) minimum " resh air requirement " is claimed for health reasons, for example, everyone 60 to 100m3/
H, or per square meter 15 to 20m3/h；(4) in order to exclude peculiar smell or anesthetic gases, operating room needs certain " exhaust air rate "；(5) it is
Maintenance room pressure difference (malleation or negative pressure) needs " pressure difference air quantity ", wherein when resh air requirement adds inleakage more than exhaust air rate, room
Between be in malleation, generally 5 to 10Pa, and when resh air requirement adds inleakage less than exhaust air rate, and room is in negative pressure, generally -10 to -
15Pa, now resh air requirement must still meet the minimum fresh air requirmente of operating room personnel's health demand；(6) " air output " requirement, clean hand
The air output of art room adds air circulation equal to resh air requirement.Due to needing control and the balance of various air quantity, cause system pipeline it is more,
Valve is more, control is complicated, debugging is difficult, operational management workload is big.
In addition, medical air-conditioning system is most using central fresh air handling (dehumidifying, temperature adjustment and filtering) at present, and 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 perform the 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 Cycle Unit surface cooler dehumidified after 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
Reach machine dewpoint temperature (usually less than 16 DEG C) after dehumidifying, therefore also need 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
Fruit, but need to increase automatic regulating valve and executing agency to realize to automatically control, cause in actual applications often fault rate
Height, debugging difficulty are big, cause the system Difficulty.
At present, the technological trend of medical air cleaning and conditioning system is the direction hair to energy-conservation, simple system, convenient operating maintenance
Exhibition.
The content of the invention
The task of the present invention is to provide a kind of medical air draft fresh air one rack, and the medical air draft fresh air one rack will be new
Wind function and air-exhausting function are integrated, and used heat/useless cold are used to realize energy-conservation, and by Fresh air handing function and
Return air processing function complete parttion, depth dehumidifying is carried out to fresh air, and in less (the preferably 1500m of resh air requirement3/ h) when can be with
The hot humidity load (including sensible heat and latent heat) in all kinds of operating rooms is offset, to prevent from condensing, after carrying out depth dehumidifying to fresh air, slightly
It is micro- reheat (such as be defined by Beijing meteorologic parameter, 24 DEG C of Summer Indoor temperature, reheating amount is 1.8kW during humidity 50%,
It is 1.3kW or so when 55%), return air processing only includes air-cleaning function, to meet purity requirements and realize further section
Energy.
According to the present invention, the task solves by a kind of medical air draft fresh air one rack, and the integral rack includes：
First rack, it has：
The air draft entrance of air draft is treated for introducing；
The wind exhausting outlet of air draft is treated for discharging；
Air exhaust passage, air draft entrance is connected by it with wind exhausting outlet treats air draft for guiding；
Exhaust fan, it is arranged between air draft entrance and wind exhausting outlet in air exhaust passage for air draft will be treated from row
Wind entrance guides to wind exhausting outlet；
Air draft filtering module, it is arranged in before exhaust fan for carrying out purification filtering to air draft；
Heat reclamation device, it is arranged between exhaust fan and wind exhausting outlet in air exhaust passage, the heat reclamation device
Including plate type heat exchanger for the used heat or useless cold in recovery air draft；
For introducing the fresh air inlet of fresh air, the fresh air inlet connects with plate type heat exchanger is changed for absorbing by board-like
The used heat or useless cold that hot device is collected from air draft；
Fresh air pretreatment device, it is arranged in fresh air inlet and sentenced for being pre-processed to fresh air；
First fresh air channel, fresh air inlet is connected for fresh air is directed into from fresh air inlet by it with the second rack
Two racks；
Fresh air air intake blower fan, its be arranged in the first fresh air channel on fresh air flow direction after heat reclamation device with
For by the rack of Leads to new breeze first；And
Preheater, it is arranged in the first fresh air channel before fresh air air intake blower fan；And second rack, it has：
Fresh air exports, and it is used to send out fresh air；
Second fresh air channel, it connects the first fresh air channel and fresh air outlet for fresh air is guided from the first rack
Exported to fresh air；
Air cleaning unit, it includes the fresh air terminal filter for being arranged in fresh air exit；
Idle call indoor set, it includes the dehumidifier, heater and humidifier being arranged in the second fresh air channel；
Idle call outdoor machine, it includes digital variable volume direct-expansion type air-cooled unit for dehumidifier cooling；And
Fresh air air-out blower fan, it is used to by fresh air outlet discharge fresh air from the second rack.
Herein, it is noted that heat reclamation device can not only reclaim " heat ", and can also collect " cold ", i.e. institute
State heat exchanger plates can either be by the used heat treated in air draft, also useless cold can be transferred in fresh air by treat in air draft.
Following advantages are at least had according to the medical air draft fresh air one rack of the present invention：(1) the medical air draft fresh air one
Fresh air function and air-exhausting function are integrated by body rack, so as to reduce equipment cost and installation cost；(2) the medical air draft is new
Wind one rack to used heat and it is useless cold be used, i.e., heat reclamation device by the used heat treated in air draft or useless cold is transferred to fresh air
In, so as to realize energy-saving effect；(3) in the medical air draft fresh air one rack according to the present invention, by by the processing of fresh air
With the processing of return air it is completely separable (i.e. fresh air processor return air is not handled, such as dehumidifying, temperature adjustment), can greatly save
Electric energy, because, found according to unique insight of inventor, it is only necessary to depth dehumidifying is carried out to a certain amount of fresh air, is adjusted
Gentle purified treatment, and return air (also known as circulated air) is only needed to carry out purified treatment, just can be by the air in medical room
Quality is maintained at preferable level, because indoor occupant only increases the humidity and temperature of interior on a small quantity, therefore this part is a small amount of
Increased humidity and temperature only can be offset by the fresh air through processing completely, without being dehumidified and being adjusted to return air
Temperature；So, not only save for being dehumidified to return air, the electric energy of temperature adjustment, and due to dehumidification process all being turned
Move on in integral rack without performing dehumidification function in return air processor, it is thus also avoided that " cold and hot to offset " scarce in primary retirn air
Point, improve temperature control efficiency.
Provided in an expansion scheme according to the present invention, the first rack also enters including being arranged in fresh air inlet with fresh air
Chemical filtering module between wind blower fan to fresh air for carrying out chemical filtering, wherein the module of chemistry filter excessively includes middle effect
Filter layer.In addition, the fresh air pretreatment device being arranged at fresh air inlet can also include coarse filtration layer and medium air filtration layer.Pass through
The expansion scheme, 2.5 μm in air and 10 μm of bulky grain can be filtered out first and reduces chemical pollutant (such as NOx、
SOx、NH3And TVOC) concentration, so as to promote subsequently to the fine filtering of fresh air.The chemical filtering module is, for example, tubular knot
Structure, built-in multiple formulations active carbon filler.
Provided in a preferred scheme according to the present invention, noise elimination cavity is disposed with air exhaust passage for the row of receiving
Wind blower fan simultaneously carries out noise reduction to exhaust fan, and is respectively disposed with noise elimination cavity in the first fresh air channel and the second fresh air channel
For accommodating fresh air air intake blower fan and fresh air air-out blower fan and carrying out noise reduction to fresh air air intake blower fan and fresh air air-out blower fan.It is logical
The preferred scheme is crossed, equipment noise can be reduced, realizes good medical environment.
Provided in an expansion scheme according to the present invention, the humidifier is electrode humidifler.Pass through the extension
Scheme, it is possible to achieve isothermal humidification, improve humidification efficiency.
Provided in a preferred scheme according to the present invention, gravity is respectively disposed with fresh air inlet and wind exhausting outlet
Self-locking air door, the gravity self-locking air door have：
Aerofoil, its size match with air port；
Trip shaft, it enables aerofoil to be overturn around trip shaft through aerofoil；
Counterweight, it is arranged in one end of the aerofoil so that aerofoil is not being kept vertically in the case of by external force with closing
Air port；And
Backstop, it is arranged in the top of air outlet and/or bottom for preventing aerofoil from reversely deflecting.
By the preferred scheme, in the case where no introducing fresh air or discharge treat air draft, it is possible to achieve each air door
Self-closed, so as to effectively prevent pollutant or foreign matter from polluting or blocking into air channel by air door.On the other hand, only
Gear can prevent the reverse deflection of aerofoil.
Provided in another preferred scheme according to the present invention, exhaust fan, fresh air air intake blower fan and fresh air air-out blower fan
Brshless DC motor is equipped with, wherein the rotating speed of the brshless DC motor is adjustable., on the one hand can be real by the preferred scheme
Now save, because 30% electric energy can be saved compared with using alternating current generator using brshless DC motor.On the other hand, by making
With the adjustable brshless DC motor of rotating speed, it is possible to achieve the regulation of resh air requirement and exhaust air rate, to be adapted to different types of operation
The requirement of the different operating modes (such as short-term forced-ventilated) of room (I classes, II classes, Group III and IV classes) and same type operating room, realizes one
Machine uses.The power of separate unit blower fan is, for example, 150-300W, and as air quantity changes, its changed power is about 10%.It is in addition, sacrificial
Domestic animal part energy-saving effect is also feasible to reduce the scheme of type.The stepless speed regulation of brshless DC motor and alternating current generator frequency conversion
Stepping speed governing is compared, and system is simply too much, so as to reduce control cost.
Provided in the another preferred scheme of the present invention, resh air requirement is in 800m3/h、1000m3/h、1200m3/ h and
1500m3Switch between/h, and exhaust air rate can be adjusted accordingly.Set by the resh air requirement, adjust return air amount, can be with
Same operating room is switched between I-IV class operating rooms.
Brief description of the drawings
The present invention is expanded on further with reference to specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 shows the cut-away view of the medical air draft fresh air one rack according to the present invention；
Fig. 2 shows the view from the point of view of the A directions from Fig. 1 of heat reclamation device；And
Fig. 3 shows the schematic diagram of the gravity self-locking air door according to the present invention.
It should be noted here that what each part in the accompanying drawing of the present invention was shown with being merely exemplary, and it is not necessarily ratio
Example is correctly.
Embodiment
Fig. 1 shows the cut-away view of the medical air draft fresh air one rack 100 according to the present invention.
As shown in figure 1, medical air draft fresh air one rack 100 includes the first rack 101 and the second rack 102.First machine
The rack 102 of cabinet 101 and second can both be generated with integrated shaping after can also being formed separately by assembling.
First rack 101 has the wind exhausting outlet for being used for introducing the air draft entrance 103 for treating air draft and air draft is treated for discharging
116.First rack 101 also has air exhaust passage (not shown), its air draft entrance 103 is connected with wind exhausting outlet 116 with
Air draft is treated in guiding, wherein air exhaust passage both can be special pipeline, can also be made up of the wall portion of the first rack 101.The
One rack 101 also has exhaust fan 104, its be arranged in air exhaust passage between air draft entrance 103 and wind exhausting outlet 116 with
For that will treat that air draft guides from air draft entrance 103 to wind exhausting outlet 116.Exhaust fan 104 is preferably equipped with rotating speed can stepless-adjustment
Whole brshless DC motor so that exhaust air rate can be adjusted by adjusting rotation speed of fan, so as to adjust the gas in medical room
Pressure, to reach desired pressure difference effect.First rack 101 also has air draft filtering module 120, and it is arranged in air exhaust passage
For carrying out purification filtering before arranging to outdoor to air draft before exhaust fan, for filtering out the micro- life treated in air draft
Thing, in order to avoid be directly discharged in environment.
First rack 101 also has heat reclamation device 106, and it is arranged in exhaust fan 104 and air draft in air exhaust passage
Between outlet 116.The heat reclamation device 106 includes plate type heat exchanger (or honeycomb heat exchanger) in recovery air draft
Used heat is useless cold.The plate type heat exchanger is for example including multiple heat exchanger plates 117 for being mutually perpendicular to arrangement so that treats that air draft can hang down
Directly flow (referring to single arrow in Fig. 1) in fresh air direction and by used heat or useless cold pass to fresh air by heat exchanger plates 117.Change
Hot plate 117 is for example made up of very thin copper coin, but other good heat conducting materials are also what is be contemplated that.Heat reclamation device 106 enters one
Details is walked referring to Fig. 2.
First rack 101 also has the fresh air inlet 114 for being used for introducing fresh air, the fresh air inlet 114 and heat exchanger plates 117
Connection for by Leads to new breeze into heat exchanger plates 117.First rack 101 also has the first fresh air channel (not shown), and it will
Fresh air inlet is connected with the second rack 102 for fresh air is directed into the second rack 102 from fresh air inlet 114.First fresh air
Passage both can be pipe special, can also be formed by the wall portion of the first rack.First rack 101 also has fresh air air intake blower fan
108, it is arranged in after heat reclamation device 106 in the first fresh air channel on fresh air flow direction (arrow in referring to Fig. 1)
For by the first rack of Leads to new breeze 101.
First rack 101 also has fresh air pretreatment device 105, and it is arranged in fresh air inlet 114 and sentenced for fresh air
Pre-processed.Fresh air pretreatment device 105 includes being used for the coarse filtration and medium air filtration layer for filtering out the bulky grain thing in air.
First rack 101 also has optional chemical filtering module 107, and the chemical filtering module 107 is arranged in fresh air and entered
Between mouthfuls 114 and fresh air air intake blower fan 108 for carrying out chemical filtering to fresh air.By chemical filtering module 107, reduce
Chemical pollutant (such as NOx、SOx、NH3And TVOC) concentration, so as to promote subsequently to the fine filtering of fresh air.The chemistry
The for example, tubular structure of filtering module 107, built-in multiple formulations active carbon filler.
First rack 101 also has preheater 112, its be arranged in the first fresh air channel fresh air air intake blower fan 108 it
Before, between such as chemical filtering module 107 and fresh-air fan 108.Preheater 112 is preheated for winter to fresh air to carry out
Subsequent heating, complete " isothermal humidification " function.
The second rack 102 is also show in Fig. 1.Second rack 102 has the second fresh air channel, and it is by the first fresh air channel
It is connected with fresh air outlet 118 for fresh air is directed into fresh air outlet 118 from the first rack 101.In Fig. 1, the first rack
In 101 the first fresh air channel connected by passage 121 with the second fresh air channel in the second rack 102 it is new for conveying
Wind.Second rack 102 has air cleaning unit, and it includes the fresh air terminal filter 119 for being arranged in fresh air exit, should
Fresh air terminal filter 119 is used to carry out double purification filtering to fresh air.
Second rack 102 also has idle call indoor set, its dehumidifier 109 for including being arranged in the second fresh air channel,
Heater 110 and humidifier 111, wherein dehumidifier 109 e.g. freon direct-evaporation-type surface-cooler (or table is cold
Device), it is used to carry out depth dehumidifying to fresh air.Heater 110 is heated to suitably for the air relatively low to the temperature through dehumidifying
Temperature, or winter humidification before heating, heater 110 be, for example, electrical heating wire.Humidifier 111 is, for example, electric pole type humidification
Device, it is used to humidify fresh air.
Second rack 102 also has the idle call outdoor machine (not shown) for being used for supplying low-temperature receiver, and it includes digital variable volume
Direct-expansion type air-cooled unit is for dehumidifier cooling.
Fresh air terminal filter 119 can alternatively have the filter for the particle for being used to filter out particle diameter 0.1m to 0.5m
Core (not shown).The characteristics of digital variable volume direct-expansion type air-cooled unit, is that, in dehumidifying, refrigerant is by directly evaporating and newly
Wind direct heat transfer is to complete dehumidification function, its simple system, and effect is good.
Second rack 102 also includes fresh air air-out blower fan 113, and it is used to discharge fresh air from the second rack 102.Fresh air
The air intake direction of air-out blower fan 113 both can be perpendicular to fresh air flow direction, can also be parallel to fresh air flow direction.Finally,
Second rack 102 also includes fresh air outlet 118, and it is used to discharge fresh air.
The fresh air inlet 114 and wind exhausting outlet 116 of first rack 101 can alternatively have gravity self-locking air door respectively
115 so that in the case where no introducing fresh air or discharge treat air draft, it is possible to achieve the automatic sealing package of each air door 114 and 116
Close, so as to effectively prevent pollutant or foreign matter from polluting or blocking into air channel by air door 114 and 116.Gravity self-locking
The further detail below of air door 115 will be illustrated in figure 3.
In addition, fresh air air intake blower fan 108 and fresh air air-out blower fan 113 are configured with the adjustable brshless DC motor of rotating speed.Such as
This one, energy-conservation on the one hand can be realized, because 30% can be saved compared with using AC blower fan using brshless DC motor
Electric energy.On the other hand, by using the adjustable motor of rotating speed, it is possible to achieve the regulation of resh air requirement, it is different types of to be adapted to
Operating room (I classes, II classes, Group III and IV classes), realizes a tractor serves several purposes.The power of separate unit blower fan is, for example, 150-300W, with wind
Amount change, its changed power is about 10%.In addition, it is also feasible to sacrifice part energy-saving effect to reduce the scheme of type.
Stepless speed regulation is compared with alternating current generator frequency conversion stepping speed governing, and system is simply too much, so as to reduce control cost.For cleaning
The change of degree, it can accordingly adjust return air amount (rotating speed for changing return air fan).
In this integral rack, the value of the resh air requirement of all kinds of operating rooms for example can be 1200m3/h、1000m3/h、
800m3/ h, fresh air are provided with eliminating the ability of sensible heat in all kinds of operating rooms after cool-down dehumidification.Appropriate increase is through depth dehumidifying
Resh air requirement can eliminate the hot humidity load (including sensible heat and latent heat) in all kinds of operating rooms completely.Therefore, can be by operating room
" air conditioning function " and " purification function " of " purification air-conditioning " system is performed separately, fundamentally to avoid air cleaning and conditioning system
The drawbacks of " cold ", " heat " offset.And this integral rack can also greatly simplify operating room air cleaning and conditioning system, less valve
Number, reduction automatically control difficulty, and its is easy to operate, safeguard simple and good energy-conserving effect.
It is real by being used in series for fresh air air intake blower fan 108 and fresh air air-out blower fan 113 in addition, in this integral rack
Existing fan pressure head superposition, to solve to need high-head technical bottleneck due to multi-functional section in integral rack.
Depth dehumidifying belongs to cold air distribution, and in addition to slightly reheating measure, the fan temperature rise of circulated air can reduce
The risk of " air-supply condensation ".
In addition, exhaust fan 104, fresh air air intake blower fan 108 and fresh air air-out blower fan 113 can be arranged in noise elimination cavity
In (not shown).The noise elimination cavity is located in air exhaust passage, the first fresh air channel and the second fresh air channel respectively, for institute
State blower fan and carry out noise reduction.Noise elimination cavity such as can the low density acoustic material as foam, cork, rubber be made, can also be by gold
The high-density sound-proof materials such as category plate are made.Arrange silencer to be used as drop on the pipeline after 118 in addition it is also possible to be exported in fresh air
The means of supplementing out economy of low noise.
The flow process for treating air draft and fresh air in medical air draft fresh air one rack 100 is illustrated separately below.
Treat that the flow process of air draft is as follows：First, treat that air draft enters the first rack 101 in the presence of exhaust fan 104
Air exhaust passage, and after the purification filtering of air draft filtering module 120 by heat reclamation device 106 and useless cold
Or used heat passes to heat exchanger plates 117, heat exchanger plates 117 and then described useless cold or used heat is passed to what is conveyed in heat exchanger plates 117
Fresh air；Then, treat that air draft is discharged from wind exhausting outlet 116.
The flow process of fresh air is as follows：First, fresh air in the presence of fresh air air intake blower fan 108 from the first rack 101
Enter the first fresh air channel of the first rack 101 in fresh air inlet 114, in the purification filtering by fresh air pretreatment device 105
From the used heat or useless cold and heating for treating air draft or cool into heat exchanger plates 117 and absorption later；Then, fresh air is through optionally
Chemical filtering module 107 is filtered with undergoing preliminary purification；Through preliminary purification filtering fresh air by preheater 112 preheating with
The first rack 101 is left afterwards and enters the second fresh air channel of the second rack, in the second rack 102, fresh air by passage 121
In the humidification and fresh air end mistake of the depth dehumidifying of experience dehumidifier 109 respectively, the heating of heater 110 and humidifier 111
The purification filtering for filtering device 119 leaves the second rack in the presence of fresh air air-out blower fan 113 by fresh air outlet 118 later
102。
Following advantages are at least had according to the medical air draft fresh air one rack of the present invention：(1) the medical air draft fresh air one
Fresh air function and air-exhausting function are integrated by body rack 100, so as to reduce equipment cost and installation cost；(2) the medical row
Wind fresh air one rack 100 to used heat and it is useless cold be used, i.e. heat reclamation device 106 is by the used heat treated in air draft or useless cold turn
Move on in fresh air, so as to realize energy-saving effect；(3) according to the present invention medical air draft fresh air one rack 100 in, pass through by
Completely separable (i.e. fresh air processor completes air conditioning function, and return air processor only performs purification for the processing of fresh air and the processing of return air
Function), electric energy can be greatly saved, because, found according to unique insight of inventor, it is only necessary to a certain amount of
Fresh air carries out depth dehumidifying, temperature adjustment and purified treatment, and return air (also known as circulated air) is only needed to carry out purified treatment, just may be used
So that the air quality in medical room is maintained at into preferable level, because indoor hot humidity load (including sensible heat and latent heat) is complete
Only it can be offset by fresh air, without being dehumidified to return air and temperature adjustment；So, not only save for pair
Return air is dehumidified, the electric energy of temperature adjustment, and due to dehumidification process is transferred completely into integral rack without being handled in return air
Dehumidification function is performed in machine, it is thus also avoided that the drawbacks of " cold and hot to offset " in primary retirn air, improve temperature control efficiency.
Fig. 2 shows the view from the point of view of the A directions from Fig. 1 of heat reclamation device 106.In fig. 2, represent to treat with arrow
The flow direction of air draft, and represent with cross spider the flow direction of fresh air.From figure 2 it can be seen that heat reclamation device 106
Including multiple heat exchanger plates 117, the heat exchanger plates 117 are for example mutually perpendicular to arrangement to be formed respectively for treating air draft and fresh air passes through
Passage, and two kinds of passages do not connect the undesirable mixing to prevent fresh air He treat air draft mutually.Heat exchanger plates 117 be used for collect from
What heat exchanger plates 117 passed through treats the used heat or useless cold of air draft (see the arrow in Fig. 2), and the used heat or useless cold transmit are fed
Enter the fresh air in heat exchanger plates 117 (referring to the cross spider in Fig. 2).Pass through the heat reclamation device 106, it is possible to achieve treat the useless of air draft
Hot or useless cold recycling, so as to realize energy-saving effect.Heat exchanger plates 117 for example can be very thin copper coin, but by other heat conduction
Heat exchanger plates 117 made of material are also what is be contemplated that.
Fig. 3 shows the schematic diagram of the gravity self-locking air door 115 according to the present invention.As shown in figure 1, gravity self-locking air door
115 are for example arranged in fresh air inlet 114, it is also contemplated that, gravity self-locking air door 115 is arranged in wind exhausting outlet 116
In.
Gravity self-locking air door 115 includes aerofoil 301, and its size matches with air port.For example, the size of aerofoil 301 is true
It is set to enable and air port, i.e. fresh air inlet 114 is just covered when aerofoil 301 is vertical, realizes sealing effect.Air door can be with
It is made up of plastics, timber or other light materials.
Gravity self-locking air door 115 also includes trip shaft 303, and it enables aerofoil 301 around trip shaft through aerofoil 301
303 upsets.
As shown in figure 3, it is disposed with counterweight 302 in one end of aerofoil 301, such as lower end so that aerofoil 301 is not by external force
In the case of keep vertically to close air port.Counterweight high density material such as can be made of metal.Counterweight 302 is installed in
At correct position on aerofoil 301 so that aerofoil 301 when not by external force, i.e. not when air draft or fresh air under gravity
Naturally be returned to minimum point, i.e. gravitional force minimum at, so as to close air port.And when introducing fresh air or discharge when air draft,
Aerofoil 301 fresh air suction or treat air draft thrust under overcome gravity to be overturn around trip shaft 303, so as to produce gap,
Enable fresh air or treat air draft by the gap enter air intake vent or from air port discharge (referring to arrow in Fig. 3).Also show in Fig. 3
Backstop 304 is gone out, the backstop 304 can be arranged in the bottom and/or top in air port.By backstop 304, aerofoil can be prevented
Counter motion, direction i.e. opposite with air-flow (fresh air, treating air draft) direction of motion motion.
By gravity self-locking air door 115, in the case where no introducing fresh air or discharge treat air draft, it is possible to achieve each wind
The self-closed of door, so as to effectively prevent pollutant or foreign matter from polluting or blocking into air channel by air door.
Although some embodiments of the present invention are described in present specification, to art technology
Personnel are it is readily apparent that these embodiments are merely possible to shown in example.It is it may occur to persons skilled in the art that numerous
Flexible program, alternative solution and improvement project without beyond the scope of this invention.Appended claims are intended to limit this hair
Bright scope, and thereby cover method and structure of these claims and its in the range of equivalents in itself.
Claims (7)
1. a kind of medical air draft fresh air one rack, including：
First rack, it has：
The air draft entrance of air draft is treated for introducing；
The wind exhausting outlet of air draft is treated for discharging；
Air exhaust passage, air draft entrance is connected by it with wind exhausting outlet treats air draft for guiding；
Exhaust fan, it is arranged between air draft entrance and wind exhausting outlet in air exhaust passage for that will treat that air draft enters from air draft
Mouth guides to wind exhausting outlet；
Air draft filtering module, it is arranged in before exhaust fan for carrying out purification filtering to air draft；
Heat reclamation device, it is arranged between exhaust fan and wind exhausting outlet in air exhaust passage, and the heat reclamation device includes
Plate type heat exchanger is for the used heat or useless cold in recovery air draft；
For introducing the fresh air inlet of fresh air, the fresh air inlet is connected with plate type heat exchanger for absorbing by plate type heat exchanger
The used heat or useless cold collected from air draft；
Fresh air pretreatment device, it is arranged in fresh air inlet and sentenced for being pre-processed to fresh air；
First fresh air channel, fresh air inlet is connected for fresh air is directed into the second machine from fresh air inlet by it with the second rack
Cabinet；
Fresh air air intake blower fan, its be arranged in the first fresh air channel on fresh air flow direction after heat reclamation device for
By the rack of Leads to new breeze first；And
Preheater, it is arranged in the first fresh air channel before fresh air air intake blower fan；And second rack, it has：
Fresh air exports, and it is used to send out fresh air；
Second fresh air channel, it connects the first fresh air channel and fresh air outlet for fresh air is directed to newly from the first rack
Wind exports；
Air cleaning unit, it includes the fresh air terminal filter for being arranged in fresh air exit；
Idle call indoor set, it includes the dehumidifier, heater and humidifier being arranged in the second fresh air channel；
Idle call outdoor machine, it includes digital variable volume direct-expansion type air-cooled unit for dehumidifier cooling；And
Fresh air air-out blower fan, it is used to by fresh air outlet discharge fresh air from the second rack.
2. medical air draft fresh air one rack according to claim 1, wherein the first rack also enters including being arranged in fresh air
Chemical filtering module between mouth and fresh air air intake blower fan to fresh air for carrying out chemical filtering, wherein the filter mould of chemistry excessively
Block includes medium air filtration layer.
3. medical air draft fresh air one rack according to claim 1, wherein be disposed with air exhaust passage noise elimination cavity with
For accommodating exhaust fan and noise reduction being carried out to exhaust fan, and cloth is distinguished in the first fresh air channel and the second fresh air channel
Noise elimination cavity is equipped with for receiving fresh air air intake blower fan and fresh air air-out blower fan and to fresh air air intake blower fan and fresh air air-out blower fan
Carry out noise reduction.
4. medical air draft fresh air one rack according to claim 1, wherein the humidifier is electrode humidifler.
5. the medical air draft fresh air one rack according to one of Claims 1-4, wherein in fresh air inlet and wind exhausting outlet
In be respectively disposed with gravity self-locking air door, the gravity self-locking air door has：
Aerofoil, its size match with air port；
Trip shaft, it enables aerofoil to be overturn around trip shaft through aerofoil；
Counterweight, it is arranged in one end of the aerofoil so that aerofoil in the case of by external force not keeping vertically to close air port；
And
Backstop, it is arranged in the top of air outlet and/or bottom for preventing aerofoil from reversely deflecting.
6. the medical air draft fresh air one rack according to one of Claims 1-4, wherein exhaust fan, fresh air air intake wind
Machine and fresh air air-out blower fan are equipped with brshless DC motor, wherein the rotating speed of the brshless DC motor is adjustable.
7. medical air draft fresh air one rack according to claim 6, wherein resh air requirement is in 800m3/h、1000m3/h、
1200m3/ h and 1500m3Switch between/h, and exhaust air rate can be adjusted accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610865081.0A CN107883462A (en) | 2016-09-29 | 2016-09-29 | Medical air draft fresh air one rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610865081.0A CN107883462A (en) | 2016-09-29 | 2016-09-29 | Medical air draft fresh air one rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107883462A true CN107883462A (en) | 2018-04-06 |
Family
ID=61769825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610865081.0A Pending CN107883462A (en) | 2016-09-29 | 2016-09-29 | Medical air draft fresh air one rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107883462A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115095926A (en) * | 2022-07-25 | 2022-09-23 | 珠海格力电器股份有限公司 | Air conditioning apparatus and control method of air conditioning apparatus |
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| CN202066128U (en) * | 2010-12-31 | 2011-12-07 | 张永旺 | JZK straight through heat pipe heat recovery air conditioning unit |
| CN102679522A (en) * | 2012-05-31 | 2012-09-19 | 苏州盟通利机电设备有限公司 | Self-locking self-drooping air door structure |
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