CN106094948A - The temperature and humidity control device of a kind of low temperature humidity chamber and method - Google Patents
The temperature and humidity control device of a kind of low temperature humidity chamber and method Download PDFInfo
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- CN106094948A CN106094948A CN201610602207.5A CN201610602207A CN106094948A CN 106094948 A CN106094948 A CN 106094948A CN 201610602207 A CN201610602207 A CN 201610602207A CN 106094948 A CN106094948 A CN 106094948A
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- 239000000523 sample Substances 0.000 claims abstract description 39
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- 238000012360 testing method Methods 0.000 claims abstract description 24
- 230000005284 excitation Effects 0.000 claims abstract description 16
- 239000006200 vaporizer Substances 0.000 claims abstract description 14
- 230000000007 visual effect Effects 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000002474 experimental method Methods 0.000 claims description 14
- 239000006101 laboratory sample Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 3
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 244000248349 Citrus limon Species 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The temperature and humidity control device of a kind of low temperature humidity chamber of the present invention and method, including constant temperature and humidity external control unit outside and constant temperature and humidity internal control unit and gas channel therebetween, install heater, vaporizer and flow-disturbing heat exchange excitation blower fan in gas channel；Constant temperature and humidity internal control unit is to include the sample door of visual windows to constitute the constant temperature and humidity unit of closing together, and its inner bottom part sets flow-disturbing and adds wet blower and humidification water box, and the upper cover of humidification water box is closable shutter；The top of constant temperature and humidity internal control unit sets adjustable hot and humid area mouth by connection controlled inside and outside it；Constant temperature and humidity internal control unit is provided with temperature humidity test probe and sample tray, and the present invention, it is crucial that constant temperature and humidity unit independent operating, does not directly cross-link with heating, cooling unit, and can association wet down controlled with outside.Operational approach is first homoiothermic, more independent humidification, then opens adjustable hot and humid area mouth and ft connection wet down such as overly moist.
Description
Technical field
The invention belongs to low temperature humidity chamber technical field, be specifically related to the Temperature and Humidity Control dress of low temperature humidity chamber
Put and control method.
Background technology
Climatic chamber is widely used in multiple sciemtifec and technical sphere, is respectively provided with wide in terms of scientific research, medical treatment, fresh-keeping and cultivation
General application.And in these fields, relative humidity serves vital effect.
Such as, relative humidity is to affect one of factor damaging to plants caused by sudden drop in temperature degree during the storage of fruit and vegerable tissue, for some fruit and vegerable,
Improve storage environment relative humidity during storage, its generation damaged to plants caused by sudden drop in temperature can be alleviated.At 0 DEG C, Fructus Cucumidis sativi with Fructus Capsici relative wet
What in the environment of degree 100%, fruit surface occurred damages to plants caused by sudden drop in temperature sunken speckle, relatively relative humidity is 90% to lack；High humility is also beneficial to lemon
Lemon and the storage of Fructus Musae, reduce its generation damaged to plants caused by sudden drop in temperature.
The climatic chamber of prior art is deposited crosslinking structurally due to evaporator temperature and climatic chamber temperature and is closed
System, the big heat transfer temperature difference of its existence about 10 DEG C that is in operation, when climatic chamber design temperature is below 10 DEG C, due to temperature
Spend low humidification capability not enough, simultaneously plus vaporizer to the coagulation of moisture in air in climatic chamber so that its phase
Humidity is extremely difficult to high humidity state, the accuracy of experimental result is produced great adverse effect.
Summary of the invention
It is an object of the invention to, overcome evaporator temperature that prior art exists with climatic chamber temperature due in structure
The operation that caused of crosslinking relation in there is the defect of heat transfer temperature difference of about 10 DEG C, it is provided that a kind of augmentation of heat transfer, intercept and pass
Matter, the constant temperature and humidity case apparatus of controlled association and using method thereof.
It is an object of the invention to be achieved through the following technical solutions: the Temperature and Humidity Control dress of a kind of low temperature humidity chamber
Put, including constant temperature and humidity external control unit outside, it is characterized in that, in the middle of constant temperature and humidity external control unit outside, be fixed with constant temperature every sky
Constant humidity internal control unit, the space between constant temperature and humidity internal control unit and constant temperature and humidity external control unit outside constitutes air-flow
Passage, is provided with heater, vaporizer and flow-disturbing heat exchange excitation blower fan in gas channel；Constant temperature and humidity internal control unit
Front is provided with sample door, and sample door is provided with visual windows；Each of remaining of constant temperature and humidity internal control unit is by metallic plate
Seamless welding, constitutes a constant temperature and humidity unit closed together with sample door；The inner bottom of constant temperature and humidity internal control unit
Portion is provided with and is in the flow-disturbing of same level and adds wet blower and humidification water box, and the upper cover of humidification water box is shutter, shutter
Angles shifts controlled by the humidification water box knob connecting shaft that is arranged on constant temperature and humidity external control unit outside；The internal control of constant temperature and humidity
The internal upper part of unit processed is provided with adjustable hot and humid area mouth, opening or closing by being arranged on outside constant temperature and humidity of adjustable hot and humid area mouth
Adjustable hot and humid area mouth knob connecting shaft in control unit controls；Humidification water box knob, adjustable hot and humid area mouth knob, heater
And between vaporizer and constant temperature and humidity internal control unit, it being fixed with one piece of dividing plate, the bottom of dividing plate is return air inlet, dividing plate
Upper end is air outlet；Internal upper part at constant temperature and humidity internal control unit has side to be provided with temperature humidity test probe；Permanent
Sample tray can be placed in the middle part of constant temperature and humidity internal control unit；Complete machine is provided with electric controller, temperature humidity test probe
It is connected with electric controller.
The flow-disturbing of constant temperature and humidity internal control unit adds wet blower and humidification water box specially takes charge of constant temperature and humidity unit humidification, humidity
After reaching requirement, humidification water box knob control shutter and close；If humidity is too high, adjustable hot and humid area mouth knob controlling can
Hot and humid area mouth is adjusted to open, phase in the gas channel between constant temperature and humidity internal control unit and constant temperature and humidity external control unit outside
To the overly moist gas of cold dry gas and constant temperature and humidity internal control unit through adjustable hot and humid area oral sex stream, reduce constant temperature and humidity
Humidity in internal control unit.As the vaporizer of low-temperature receiver and the heater of thermal source be in constant temperature and humidity internal control unit and
Between constant temperature and humidity external control unit outside, flow-disturbing heat exchange excitation blower fan realize forced flow heat exchange by gas channel, logical
Conduct heat to constant temperature and humidity internal control unit internal cooling in the wall portion crossing constant temperature and humidity internal control unit.
Preferred version, temperature humidity test probe uses electron temperature humidity sensor.
Preferred version, described return air inlet and air outlet are designed with air guiding grid.
Preferred version, the switching device of adjustable hot and humid area mouth uses adiabatic mobilizable baffle plate to constitute.
Preferred version, it is all axial fan that flow-disturbing heat exchange excitation blower fan and flow-disturbing add wet blower.
Preferred version, constant temperature and humidity internal control unit is made up of the sheet metal that heat conductivility is excellent；Outside constant temperature and humidity
The surface of portion's control unit is provided with insulating layer structure.
Preferred version, constant temperature and humidity external control unit outside position, corner on described gas channel is designed with circular arc rib
Plate.Floor is the ribs of constant temperature and humidity external control unit outside structure, is also the guide plate of air-flow, can reduce edge and produce
Whirlpool, reduces the power loss of air-flow.
Preferred version, adjustable hot and humid area mouth is provided with two, separately has being positioned at constant temperature and humidity internal control unit
Flow-disturbing adds position on front side of the downside of wet blower and flow-disturbing heat exchange excitation blower fan.
According to the temperature and humidity control device of a kind of low temperature humidity chamber of any of the above-described, it is carried out Temperature and Humidity Control
Method, it is characterized in that, due to constant temperature and humidity internal control unit and the most relatively independent envelope of constant temperature and humidity external control unit outside
Close, there is again controlled association, i.e. use constant temperature and humidity unit to be separated with refrigeration unit vaporizer and heating unit heater,
Correspondingly, the method for control is the most relatively independent to be associated with can on-demand carry out, and specifically comprises the following steps that
1) first laboratory sample is placed on the sample tray of constant temperature and humidity internal control unit, closes sample door, now
The shutter of humidification water box and flow-disturbing add wet blower and close, and adjustable hot and humid area mouth is also switched off.
2) start electric controller, observe the humiture within constant temperature and humidity unit by temperature humidity test probe, set
Testing well temperature required, start flow-disturbing heat exchange excitation blower fan, waiting temperature reaches to test temperature required.
3) reach temperature required after, observe the humidity in constant temperature and humidity unit, if humidity is less than experiment desired moisture level, start
Flow-disturbing adds wet blower, opens humidification water box shutter, and the open degree being controlled shutter by humidification water box knob controls humidification
Speed；If humidity is higher than experiment desired moisture level, closes flow-disturbing and add wet blower, close humidification water box shutter, wet by adjustable heat
Exchange mouth knob controls adjustable hot and humid area mouth open degree, to control dehumidifying speed；When humiture all reaches to test required condition,
Start experiment；
4), after experiment terminates, climatic chamber, sample tray wiped clean, it is ensured that climatic chamber internal medium is clear are cleared up
Clean, it is to avoid experiment next time is produced impact.
The invention has the beneficial effects as follows:
1, climatic chamber is the separate unit sealed, and the steam in unit does not carries out mass transfer with the external world, can guarantee that perseverance
The high wet performance of constant temperature and humidity unit, especially low temperature and high relative humidity state；
2, humidity and the temperature of climatic chamber adjusts respectively, is easily controlled, independent temperature, and the fluctuating margin of temperature is little；
3, ensure that the uniform of constant temperature and humidity unit integral wall surface temperature, it is to avoid local temperature produces less than dew point and condenses
And affect temperature control；
4, return air inlet and air outlet are designed with air guiding grid, reduce flowed energy loss；
5, selecting axial fan to make air-flow more disperse, area coverage is big, and the beneficially surface moisture of humidification water box is wide
General evaporation；Be conducive to gas channel heat exchange universal；
6, selecting electron temperature humidity sensor highly sensitive, test is accurately.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of embodiment device structure of the present invention；
Fig. 2 is the humidification water box principle schematic that flow-disturbing of the present invention adds wet blower and closedown；
Fig. 3 is that flow-disturbing of the present invention adds wet blower and opens the humidification water box operation principle schematic diagram of 45 °；
Fig. 4 is that flow-disturbing of the present invention adds wet blower and opens the humidification water box operation principle schematic diagram of 90 °；
Fig. 5 is the structural representation of embodiment adjustable hot and humid area mouth；
Fig. 6 is the structural representation of another kind of embodiment.
In figure, constant temperature and humidity external control unit outside 1；Circular arc floor 11；Constant temperature and humidity internal control unit 2；Sample door
21；Visual windows 22；Adjustable hot and humid area mouth 23；Baffle plate 24；Adjustable hot and humid area mouth knob 25；Flow-disturbing heat exchange excitation blower fan
3；Heater 31；Vaporizer 32；Flow-disturbing adds wet blower 4；Humidification water box 5；Shutter 51；Humidification water box knob 52；Dividing plate 6；Return
Air port 61；Air outlet 62；Air guiding grid 63；Temperature humidity test probe 7；Sample tray 8；Laboratory sample 9.
Detailed description of the invention
The invention will be further described with specific embodiments below in conjunction with the accompanying drawings.
Embodiment 1:
As it is shown in figure 1, the temperature and humidity control device of a kind of low temperature humidity chamber, including constant temperature and humidity external control unit outside
1, in the middle of constant temperature and humidity external control unit outside 1, it is fixed with constant temperature and humidity internal control unit 2, constant temperature and humidity internal control every sky
Space between unit 2 and constant temperature and humidity external control unit outside 1 constitutes gas channel, gas channel is provided with heater 31,
Vaporizer 32 and flow-disturbing heat exchange excitation blower fan 3；The front of constant temperature and humidity internal control unit 2 is provided with sample door 21, sample
Door is provided with visual windows 22；Each of remaining of constant temperature and humidity internal control unit 2 by the excellent sheet metal of heat conductivility without
Seam welding, constitutes a constant temperature and humidity unit closed together with sample door 21；The inner bottom of constant temperature and humidity internal control unit 2
Portion is provided with and is in the flow-disturbing of same level and adds wet blower 4 and humidification water box 5, and the upper cover of humidification water box 5 is shutter 51, and hundred
The angles shifts of leaf window 51 is controlled by humidification water box knob 52 connecting shaft being arranged on constant temperature and humidity external control unit outside 1；Flow-disturbing
It is all axial fan that heat exchange excitation blower fan 3 and flow-disturbing add wet blower 4；The internal upper part of constant temperature and humidity internal control unit 2 sets
Being equipped with adjustable hot and humid area mouth 23, the switching device of adjustable hot and humid area mouth 23 uses adiabatic mobilizable baffle plate 24 to constitute, can
Adjust opening or closing by the adjustable hot and humid area mouth knob 25 being arranged on constant temperature and humidity external control unit outside 1 even of hot and humid area mouth 23
Axle controls；The control internal with constant temperature and humidity of humidification water box knob 52, adjustable hot and humid area mouth knob 25, heater 31 and vaporizer 32
Being fixed with one piece of dividing plate 6 between unit 2 processed, the bottom of dividing plate 6 is return air inlet 61, and the upper end of dividing plate 6 is air outlet 62, returns
Air port 61 and air outlet 62 are designed with air guiding grid 63；Internal upper part at constant temperature and humidity internal control unit 2 has side to be provided with temperature
Degree humidity measurement probe 7, temperature humidity test probe 7 uses electron temperature humidity sensor.Constant temperature and humidity internal control unit 2
Middle part can place sample tray 8；Complete machine is provided with electric controller, and temperature humidity test probe 7 is connected with electric controller.Permanent
There is insulating layer structure on the surface of constant temperature and humidity external control unit outside 1.Constant temperature and humidity external control unit outside 1 is on described gas channel
Position, corner is designed with circular arc floor 11.
The flow-disturbing of constant temperature and humidity internal control unit 2 adds wet blower 4 and constant temperature and humidity unit humidification specially taken charge of by humidification water box 5,
After electric controller prompting constant temperature and humidity unit humidity reaches requirement, humidification water box knob 52 control shutter 51 and close；If
Electric controller prompting humidity is too high, then controlled adjustable hot and humid area mouth 23 by adjustable hot and humid area mouth knob 25 and open, and constant temperature is permanent
In gas channel between wet internal control unit 2 and constant temperature and humidity external control unit outside 1, relatively cool dry gas is permanent with constant temperature
Overly moist gas in wet internal control unit 2 exchanges through adjustable hot and humid area mouth 23, reduces in constant temperature and humidity internal control unit 2
Humidity.It is in constant temperature and humidity internal control unit 2 and constant temperature and humidity as the vaporizer 32 of low-temperature receiver and the heater 31 of thermal source
Between external control unit outside 1, flow-disturbing heat exchange excitation blower fan 3 realize forced flow heat exchange by gas channel, pass through constant temperature
Conduct heat to constant temperature and humidity internal control unit 2 internal temp. in the wall portion of constant humidity internal control unit 2.
Flow-disturbing adds wet blower and opens the duty of humidification water box as shown in figs. 2 to 4, and wherein, Fig. 2 show shutter
Closing, Fig. 3 show shutter and opens 45 °, and Fig. 4 show shutter standard-sized sheet.
The structure of adjustable hot and humid area mouth is as shown in Figure 5.
In order to improve the efficiency of air-flow, between constant temperature and humidity internal control unit 2 and constant temperature and humidity external control unit outside 1
Gas channel, cross section of fluid channel area equation should be accomplished as far as possible, and at all of rotation angle position, all take arc transition and process,
To reduce air-flow velocity variation and in the sharp corner separation of flow, vortex can be reduced and produce the power loss caused.
In order to improve cooling heat exchange effect, the outer surface of constant temperature and humidity internal control unit 2 can be set up some longitudinal directions and dissipate
Hot wing.
All of knob both can be with manual operation, it is also possible to be automatically brought into operation by electric controller and corresponding executive component,
Such as with electromagnetic actuator or electric execution element, operation is made to realize automatization.
Embodiment 2:
The Temperature and Humidity Control that the temperature and humidity control device of a kind of low temperature humidity chamber of any of the above-described is carried out
Method, it is contemplated that architectural characteristic, due to constant temperature and humidity internal control unit 2 and the respective phase of constant temperature and humidity external control unit outside 1
To autonomous closure, there is again controlled association, i.e. use constant temperature and humidity unit to add with refrigeration unit vaporizer 32 and heating unit
Hot device 31 is separated, and correspondingly, the method for control is the most relatively independent and can operate by on-demand implementation exact correlation, and concrete steps are such as
Under:
1) first laboratory sample 9 is placed on the sample tray 8 of constant temperature and humidity internal control unit 2, closes sample door 21,
Now shutter 51 and the flow-disturbing of humidification water box 5 adds wet blower 4 and closes, and adjustable hot and humid area mouth 23 is also switched off.
2) start electric controller, observe the humiture within constant temperature and humidity unit by temperature humidity test probe 7, set
Testing well temperature required, start flow-disturbing heat exchange excitation blower fan 3, waiting temperature reaches to test temperature required.
3) reach temperature required after, observe the humidity in constant temperature and humidity unit, if humidity is less than experiment desired moisture level, start
Flow-disturbing adds wet blower 4, opens 5 shutters 51 of humidification water box, is controlled the open degree of shutter 51 by humidification water box knob 52
Control to humidify speed；If humidity is higher than experiment desired moisture level, closes flow-disturbing and add wet blower 4, close humidification water box 5 shutter
51, controlled the open degree of adjustable hot and humid area mouth 23 by adjustable hot and humid area mouth knob 25, to control dehumidifying speed；When warm and humid
Degree all reaches to test required condition, starts experiment.
4), after experiment terminates, climatic chamber, sample tray 8 wiped clean, it is ensured that climatic chamber internal medium are cleared up
Cleaning, it is to avoid experiment next time is produced impact.
Embodiment 3: adjustable hot and humid area mouth 23 is arranged two, including one described in embodiment 1, also one in perseverance
The flow-disturbing that is positioned at of constant temperature and humidity internal control unit 2 adds position on front side of the downside of wet blower 4 and flow-disturbing heat exchange excitation blower fan 3, and two
Individual adjustable hot and humid area mouth 23 is opened simultaneously, makes air-flow form so-called draught effect, it is to avoid constant temperature and humidity internal control list
The inside of unit 2 causes aerofluxus not smooth due to negative pressure, accelerates the dampness in constant temperature and humidity unit relatively cool dry with gas channel
Gas quickly exchanges.Two adjustable hot and humid area mouths 23 simultaneously close off, then constant temperature and humidity internal control unit 2 recovers again covering
Closed state, remaining structure is with embodiment 1.As shown in Figure 6.
The temperature and humidity control device of a kind of low temperature humidity chamber of the present invention and control method, architectural feature includes constant temperature
Constant humidity cabinet is the separate unit sealed, and can guarantee that the humidity of climatic chamber is interference-free, the steam in unit not with the external world
Carry out mass transfer, can guarantee that the high wet performance of constant temperature and humidity unit, and independent temperature, the advantage such as the fluctuating margin of temperature is little.This
If foregoing invention content is made simple amendment or replaces by the technical staff in field, such change is not to be regarded as a departure from this
The scope of invention, all so obvious to those skilled in the art amendments are included within the claim of the present invention
Within the scope of.
Claims (9)
1. a temperature and humidity control device for low temperature humidity chamber, including constant temperature and humidity external control unit outside, is characterized in that,
Be fixed with constant temperature and humidity internal control unit every sky in the middle of constant temperature and humidity external control unit outside, constant temperature and humidity internal control unit and
Space between constant temperature and humidity external control unit outside constitutes gas channel, is provided with heater, vaporizer and disturbs in gas channel
Stream heat exchange excitation blower fan；The front of constant temperature and humidity internal control unit is provided with sample door, and sample door is provided with visual windows；Permanent
Each of remaining of constant temperature and humidity internal control unit, by metallic plate seamless welding, constitutes a perseverance closed together with sample door
Constant temperature and humidity unit；The inner bottom part of constant temperature and humidity internal control unit is provided with and is in the flow-disturbing of same level and adds wet blower and add
Wet water box, the upper cover of humidification water box is shutter, and the angles shifts of shutter is by being arranged on constant temperature and humidity external control unit outside
Humidification water box knob connecting shaft control；The internal upper part of constant temperature and humidity internal control unit is provided with adjustable hot and humid area mouth, adjustable
Opening or closing of hot and humid area mouth is controlled by the adjustable hot and humid area mouth knob connecting shaft being arranged on constant temperature and humidity external control unit outside；
Humidification water box knob, adjustable hot and humid area mouth knob, fixing between heater and vaporizer and constant temperature and humidity internal control unit
Having one piece of dividing plate, the bottom of dividing plate is return air inlet, and the upper end of dividing plate is air outlet；At constant temperature and humidity internal control unit
Internal upper part has side to be provided with temperature humidity test probe；Sample torr can be placed in the middle part of constant temperature and humidity internal control unit
Dish；Complete machine is provided with electric controller, and temperature humidity test probe is connected with electric controller.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 1, is characterized in that, temperature humidity
Test probe uses electron temperature humidity sensor.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 1 and 2, is characterized in that, described
Return air inlet and air outlet are designed with air guiding grid.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 3, is characterized in that, adjustable heat is wet
The switching device of exchange mouth uses adiabatic mobilizable baffle plate to constitute.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 4, is characterized in that, flow-disturbing heat is handed over
Changing excitation blower fan and flow-disturbing, to add wet blower be all axial fan.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 5, is characterized in that, constant temperature and humidity
Internal control unit is made up of the sheet metal that heat conductivility is excellent；The surface of constant temperature and humidity external control unit outside is provided with thermal insulation layer
Structure.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 6, is characterized in that, constant temperature and humidity
External control unit outside position, corner on described gas channel is designed with circular arc floor.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to claim 7, is characterized in that, described adjustable
Hot and humid area mouth is provided with two, separately has a flow-disturbing that is positioned at constant temperature and humidity internal control unit add the downside of wet blower and disturb
Position on front side of stream heat exchange excitation blower fan.
The temperature and humidity control device of a kind of low temperature humidity chamber the most according to any one of claim 1 to 8, enters it
The method of row Temperature and Humidity Control, is characterized in that, owing to constant temperature and humidity internal control unit and constant temperature and humidity external control unit outside are each
From relatively independent closing, there is again controlled association, i.e. use constant temperature and humidity unit and refrigeration unit vaporizer and heating unit
Heater is separated, and correspondingly, the method for control is the most relatively independent to be associated with can on-demand carry out, and specifically comprises the following steps that
1), first laboratory sample is placed on the sample tray of constant temperature and humidity internal control unit, closes sample door, now humidify
The shutter of water box and flow-disturbing add wet blower and close, and adjustable hot and humid area mouth is also switched off；
2), start electric controller, observe the humiture within constant temperature and humidity unit by temperature humidity test probe, set reality
Testing temperature required, start flow-disturbing heat exchange excitation blower fan, waiting temperature reaches to test temperature required.
3), reach temperature required after, observe the humidity in constant temperature and humidity unit, if humidity is less than experiment desired moisture level, startup is disturbed
Stream adds wet blower, opens humidification water box shutter, and the open degree being controlled shutter by humidification water box knob controls humidification soon
Slowly；If humidity is higher than experiment desired moisture level, closes flow-disturbing and add wet blower, close humidification water box shutter, by the wet friendship of adjustable heat
Change mouthful knob and control adjustable hot and humid area mouth open degree, to control dehumidifying speed；When humiture all reaches to test required condition, open
Begin to test；
4), experiment terminate after, clear up climatic chamber, sample tray wiped clean, it is ensured that climatic chamber internal medium clean,
Avoid experiment next time is produced impact.
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| CN201610602207.5A CN106094948B (en) | 2016-07-27 | 2016-07-27 | The temperature and humidity control device and method of a kind of low temperature humidity chamber |
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| CN201610602207.5A CN106094948B (en) | 2016-07-27 | 2016-07-27 | The temperature and humidity control device and method of a kind of low temperature humidity chamber |
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| CN106094948B CN106094948B (en) | 2018-01-09 |
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| CN102778909A (en) * | 2012-07-10 | 2012-11-14 | 上海海洋大学 | Method and device capable of realizing low-temperature and high-moisture requirement of incubator |
| CN105353809A (en) * | 2015-12-11 | 2016-02-24 | 无锡职业技术学院 | Semiconductor temperature and humidity control device |
| CN205880715U (en) * | 2016-07-27 | 2017-01-11 | 上海海洋大学 | Temperature and humidity control device of low -temperature constant -temperature constant humidity cabinet |
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2016
- 2016-07-27 CN CN201610602207.5A patent/CN106094948B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009014295A (en) * | 2007-07-06 | 2009-01-22 | Japan Tobacco Inc | Storage device for cigarette |
| CN102168999A (en) * | 2010-12-15 | 2011-08-31 | 陈隽 | Constant temperature and humidity tester |
| CN102778909A (en) * | 2012-07-10 | 2012-11-14 | 上海海洋大学 | Method and device capable of realizing low-temperature and high-moisture requirement of incubator |
| CN105353809A (en) * | 2015-12-11 | 2016-02-24 | 无锡职业技术学院 | Semiconductor temperature and humidity control device |
| CN205880715U (en) * | 2016-07-27 | 2017-01-11 | 上海海洋大学 | Temperature and humidity control device of low -temperature constant -temperature constant humidity cabinet |
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