CN108273572A - A kind of novel constant-temperature constant humidity cabinet for jujube aging blacking - Google Patents
A kind of novel constant-temperature constant humidity cabinet for jujube aging blacking Download PDFInfo
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- CN108273572A CN108273572A CN201810309829.8A CN201810309829A CN108273572A CN 108273572 A CN108273572 A CN 108273572A CN 201810309829 A CN201810309829 A CN 201810309829A CN 108273572 A CN108273572 A CN 108273572A
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- operating room
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- room
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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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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- Chemical Kinetics & Catalysis (AREA)
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- Automation & Control Theory (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of novel constant-temperature constant humidity cabinets for jujube aging blacking；Including controller, air pretreatment room and operating room；Air pretreatment room includes pretreatment shell；Inlet duct, exhaust apparatus mounted on pretreatment shell right side；Humidifier, gas circulator, refrigerating plant, the heating device of inside；Operating room and pretreatment chamber's shell or so are fixed together, and pretreatment chamber is connected to by upper circular tube with lower circulation pipe respectively with operating room；Inside working chamber is equipped with rotary table, mixed cell peace leaf blender successively up and down；The present invention can bring the longitudinal humiture gradient of reduction, shorten incorporation time, and auxiliary circulation pump work prevents the generation in fixed cycles road, slows down the double evaporation-cooling and other effects that circulating pump is brought, and provide a better environment to jujube blacking, ensure quality.
Description
Technical field
The present invention relates to constant temperature and humidity experimental box fields, and in particular to a kind of novel constant-temperature for jujube aging blacking is permanent
Wet tank.
Background technology
In recent years, increasing sharply based on jujube yield, the promotion of people's dietary structure improved, and traditional jujube processes skill
Art is tested.And novel jujube field of deep is gradually paid close attention to by society, some scientific research institutions gradually pass through jujube
Aging blacking carries out the exploitation of the products such as black date wine.However the research of jujube aging blacking is still in the exploratory stage, not
There is the final conclusion for reaching relevant knowledge.Aging blacking refers to food under hygrothermal environment, contained by amino-compound such as protein,
Amino acid and aldehyde, ketone etc. meet with reduced sugar, by series reaction generate brown polymer the phenomenon that.And jujube aging blacking
And carried out under the hot and humid environment artificially provided, it is mainly realized at this stage by climatic chamber (high temperature and humidity case),
It is experiment basis hardware, directly determines the accuracy of blacking research, thus the stability of climatic chamber is black to jujube
The research of change has important meaning.
Previous multi-functional constant temperature and humidity experimental box is made of temperature adjustment (heating, refrigeration) and humidification two parts.Pass through installation
In the rotary fan of babinet inner top, discharges the air into babinet and realize gas circulation, the humiture in balance box, it is built-in warm and humid
Sensor gathered data is spent, temperature and humidity control system is reached and is handled, assigns conditioning instruction, is heated by air single
The assistance of heating evaporation unit is completed in member, condenser pipe and sink.For test and determine electrician, electronics and other products and
Material carries out each fields such as parameter and performance after the temperature environment variation of high temperature, low temperature, Alternate hot and humid degree or constant test.
Traditional climatic chamber is vdiverse in function, but only relies on rotary fan and realize inside and outside portion's gas circulation, and wind speed is too small to be reached
Less than the mixed effect of good hot and humid gas, wind speed is too high and causes the secondary pervaporation of material, and easily forms fixed cycles
Air duct, mixed effect are bad；Babinet operating room longitudinal length is big, wide, too small at high proportion, and temperature has longitudinal gradient, adjusts ratio
Example influences circulating effect again, and humiture is uneven in case, influences control accuracy.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of novel constant-temperature constant humidity cabinets for jujube aging blacking.
A kind of novel constant-temperature constant humidity cabinet for jujube aging blacking, including controller, air pretreatment room and operating room；
Environmental Kuznets Curves application software is stored in the controller；It controls application software and realizes automatic heating, automatic system
Cold, automatic humidification, maintains the control that humiture environmental Kuznets Curves etc. are arranged at automatic air intake and discharge.
The air pretreatment room includes pretreatment shell；Inlet duct, row mounted on pretreatment shell right side
Device of air；Humidifier, gas circulator, refrigerating plant, the heating device of inside；Pretreatment case top it is movable be connected with it is pre-
Process chamber upper cover；Lid is equipped with controller in pretreatment chamber；The controller respectively with slowspeed machine, gas circulator, temperature
Sensor, humidity sensor, humidifier, refrigerating plant, heating device, inlet duct, exhaust apparatus are connected with operating room's valve,
It realizes to functions such as the power supply of each component, data feedback, monitoring and controllings；Indent is in semicircle to the right for pretreatment chamber's shell left side
Shape, for placing operating room；
The operating room and pretreatment chamber's shell or so are fixed together, and operating room's height is less than the height of pretreatment chamber
Degree, operating room's right part are located in the semicircle of pretreatment chamber's shell indent；And on the left of pretreatment chamber's upper cover and operating room upper cover center
It is installed together by the way that axis is concentric；Slowspeed machine is installed on the axis, for driving agitating shaft to rotate；Agitating shaft band again
Dynamic rotary table and blender slowly run.
The pretreatment chamber is connected to by upper circular tube with lower circulation pipe respectively with operating room, and closure is provided for gas circulation
Circuit；Pretreatment chamber's case top is connect by upper circular tube with operating room's upper cover；Pretreatment chamber follows bottom equipped with gas
Ring pumps, and gas circulator is connected to by lower circulation pipe with operating room's lower cover；Gas circulator is used to be air pretreatment room and work
Gas circulation provides power between making room, carries out the premixing of steam and gas；Pretreatment shell right side bottom symmetrical
Two inlet ducts are connected, right flank middle part connects exhaust apparatus；It is respectively equipped with air filtration on inlet duct and exhaust apparatus
Device filters air plankton, ensures the quality of air inlet.
The operating room is fixed on operating room's case top and bottom by operating room's upper cover, operating room's lower cover are movable respectively
Portion forms；The work room housing is in hollow cylinder shape；The diameter of cylinder is more than its height；The room housing that works is in integrally flat
It is flat-shaped；Inside working chamber is equipped with rotary table, mixed cell peace leaf blender successively up and down；The mixed cell by according to
Secondary from top to bottom equidistant mixed cell upper cover disposed in parallel, mixed cell lower cover, mixed cell body composition；The agitating shaft
Lower end is connected and fixed after sequentially passing through rotary table and the mixed cell center of circle with flat leaf blender；Agitating shaft upper end and low speed electricity
Machine connects；Described its radius of rotary table upper edge is uniformly provided with punching；The operating room housing sidewall contour with rotary table
It is equipped with mobilizable operating room's valve, convenient for disengaging material and observation jujube brown stain situation；Rotary shaft drives rotary table
It is rotated with blender, mixed cell is fixed relative to operating room, is not rotated together with rotary shaft.
Operating room's upper cover and operating room's lower cover is in truncated conical shape；
The mixed cell body is made of multiple regularly arranged raised junior units, each protrusion junior unit spatially X
Type；Under the mixed cell upper cover and mixed cell punching, punching hole diameter 1mm are equipped on lid.
Operating room's upper cover is equipped with temperature sensor and humidity sensor.
Advantageous effect：
Operating room is designed as flat cylindric in the present invention, there is higher the ratio of width to height；Chamber bottom design steam and
The blender and mixed cell of gas；Rotary table low speed rotation；Bottom is equipped with mixed cell and blender, auxiliary circulating pump
Cycle and the mixing for carrying out warm and humid gas can shorten incorporation time, improve the warm and humid gradient in the indoor longitudinal direction of work, realize work
The stable and uniform of room-temperature moisture body improves the environment precision of jujube blacking, make gas temperature wet cooling condition in operating room more uniformly
Stablize.The present invention can bring the longitudinal humiture gradient of reduction, shorten incorporation time, auxiliary circulation pump work prevents fixed cycles road
Generation, slow down the double evaporation-cooling and other effects that circulating pump is brought, to jujube blacking provide a better environment, ensure quality.
The present invention and common climatic chamber the difference is that：
Flat (the ratio of width to height is big) cylindrical work room design, worktable rotary, and increased below inside working chamber
Mixed cell carries out the voluntarily mixing of gas shearing and mixed cell body X-type structure；Flat operating room reduces longitudinal temperature
Gradient (longitudinal temperature is unbalanced in the too low operating room of the ratio of width to height, and there are longitudinal temperature differences), in conjunction with the workbench band of rotation
The rotation of animal material so that warm and humid environment is more stablized in operating room, and the feedback data of warm and humid sensor is more accurate；Low speed electricity
Machine drive blender prevented to fix air circulation road caused by cycle pump circulation mixed gas, slow down wind speed it is too fast caused by
Material moisture double evaporation-cooling；Into operating room gas successively pass through the bottom end cover with punching and mixed cell body, make gas by
To Slice by slice cutting, shearing, be folded to and re-mix through X-type the effects that, constantly change flow direction, be carried out at the same time axial direction and periphery
Gas exchanges, ensure gas three dimensions dispersion and uniformly mixing；The cooperation of mixed cell and circulating pump make gas and
Steam generation, which such as shears, is folded at the processes, makes mixed effect more preferably；For the jujube brown stain for entering on the rotary table of operating room top
Required hygrothermal environment is provided, ensures the stability of experiment condition, improves the control accuracy of climatic chamber.
Description of the drawings
Fig. 1 is the assembly front view of the present invention.
Fig. 2 is the internal structure chart of operating room.
Fig. 3 sets mixed cell body local appearance figure in being.
Fig. 4 is the three-dimensional structure diagram of mixed cell.
Fig. 5 is assembly overall structure figure.
In figure：1, shell, 2, inlet duct, 3, humidifier, 4, gas circulator, 5, refrigerating plant, 6, heating are pre-processed
Device, 7, exhaust apparatus, 8, pretreatment upper cover, 9, control system, 10, upper circular tube, 11, slowspeed machine, 12, in operating room
Lid, 13, operating room, 14, operating room's lower cover, 15, operating room's pedestal, 16, lower circulation pipe, 17, agitating shaft, 18, temperature sensor,
19, humidity sensor, 20, operating room's valve, 21, rotary table, 22, mixed cell upper cover, 23, mixed cell body, 24, it is mixed
Close unit lower cover, 25, blender, 26, X-type protrusion
Specific implementation mode
The following further describes the present invention with reference to the drawings.
Referring to Figures 1 and 2, a kind of novel constant-temperature constant humidity cabinet for jujube aging blacking, including control system 9, air
Pretreatment chamber and operating room 13.
The control system 9 uses PLC controller, controller to be separately connected each sensor and all execution components,
Software for environmental control (according to prior art program) is stored in controller, can realize automatic heating in operating room, Automatic-cooling,
Automatic humidification, stablizes the functions such as the humiture environment for maintaining setting at automatic air intake and discharge.
The pretreatment chamber carries out the pretreatment (heating, cooling, humidification) of recyclegas in operating room, later again by following
Ring pump 4 and lower circulation pipe 16 enter operating room 13, and pretreatment chamber and operating room 13 pass through upper circular tube 10, lower circulation pipe 16 respectively
Connection, closed circuit is provided for gas circulation.
Pretreatment chamber part：Inlet duct 2, humidifier 3, gas circulator 4, system are installed inside pretreatment chamber's shell 1
Device for cooling 5, heating device 6, exhaust apparatus 7 etc., exhaust apparatus 7 and two inlet ducts 2 are separately positioned on pretreatment chamber's shell
Position, right side top install an exhaust apparatus 2 and (carry the exhaust fan machine of closing function between two parties up and down for right side (facing)
Structure), right side lower position is symmetrically installed two inlet ducts 7 (the supply fan mechanism for carrying closing function), single air inlet dress
The power set is less than exhaust apparatus power, when control system 9 detects that interior needs replacing gas, two 2 Hes of inlet duct
Exhaust apparatus 7 is opened simultaneously, can also be realized according to indoor specific operating mode one-in-and-one-out, two into one go out, only into or only go out
The course of work realizes the quick-replaceable of gas, discharge, importing；It is respectively equipped on two inlet ducts 2 and an exhaust apparatus 7
Air filter filters air plankton, ensures the quality of air inlet.Humidifier 3 feeds back to control system 9 according to humidity sensor 19
Data, after processing, if humidity is too low, opens humidified immediately, be drawn into gas circulator 4 after being mixed in conjunction with air
It is supplemented in operating room 13, after humidity sensor 19 detects that humidity is up to standard, control system monitors that signal-off humidifies
Device 3 (ultrasonic humidifier) stops steam generation.Gas circulator 4 is embedded in 1 left side of pretreatment chamber's shell and (faces) lower part
Middle position is connected to by lower circulation pipe 16 with operating room 13, and predominantly two chambers gas circulation provides power, carries out steam
Merge 23 work of cooperation mixed cell body with the premix of gas and circulation power is provided.Refrigerating plant 5 (use refrigeration compressor) and
Heating device 6 (use Resistant heating principle) is also executing agency, and cooperation temperature sensor 18 uses, and when temperature is too low, is passed
For delivery data to control system 9, control system 9 then dominates the work of heating device 6, heat pre-treatment room gas；Temperature is excessively high, also leads to
18 feedback information of excess temperature sensor opens refrigerating plant 5 and works to control system 9, gives pretreatment chamber's gas cooling.In advance
Process chamber upper opening, pretreatment chamber's upper cover 8 by bolt, sealing ring etc. and pretreatment shell 1 fix, it is easy to disassemble cleaning,
Check etc.；Fixed control system 9 is inlayed in 8 top of pretreatment chamber's upper cover, and control system 9 is the running center of entire babinet, is passed through
Data line, power cord connection temperature sensor 18, humidity sensor 19, slowspeed machine 11, exhaust apparatus 7, heating device 6, system
The all the sensors such as device for cooling 5, gas circulator 4, humidifier 3, inlet duct 2 and execution component, receive feedback information, place
Manage data, send out instruction etc., the operation of entire babinet is monitored and controlled.
Studio portion：Operating room 13 and the fixed operating room's height of pretreatment chamber's shell 1 or so are less than process chamber, operating room
13 be the core of the invention, and integral hollow cylinder design is internal to be made of rotary table 21 and lower section mixed cell 23, top
Rotary table 21 and agitating shaft 17 fixed by being keyed, when work, follows slowspeed machine 11 to rotate, and waits for the jujube of brown stain
It is placed on rotary table 21, several, rotation when brown stain that rotary table 21 from its center of circle is equipped with punching along its radial direction
The more conducively uniformity of the cycle of indoor gas and guarantee jujube brown stain environment, but also temperature sensor 18, humidity sensor
The feedback data of device 19 is more accurate；In 13 outside of cylindrical work room and rotary table 21, contour middle position is also set
In respect of tempering hollow glass operating room valve 20, convenient for disengaging material and observation brown stain situation.
Mixed cell upper cover 22, mixed cell body 23 and the mixed cell lower cover that mixed cell is arranged by upper and lower parallel equidistant
24 compositions, mixed cell lower part are equipped with blender 25；Mixed cell body 23, mixed cell upper cover 22 and mixed cell lower cover 24 are solid
It is scheduled on 13 shell of operating room, blender 25 is fixed as rotary table 21, with agitating shaft 17 by being keyed, and is turned therewith
It is dynamic.Agitating shaft 17 drives rotary table 21 and blender 25 to rotate, and mixed cell is fixed relative to work room housing, no
It is rotated together with agitating shaft 17.The X-type protrusion junior unit 26 that mixed cell body 23 is forged by multiple stainless steels is connected as a circle
Shape integrally forms；Punching is equipped in the mixed cell upper cover 22, mixed cell lower cover 24, punching hole diameter 1mm is similar to
The filter screen of single layer；There is also certain power for gas after clipped, are set in by the bottom end cover 24 with punching successively mixed
The gas of the mixed cell body 23 of the X-type of conjunction, movement makes gas be cut by layering under the special structure of mixed cell body 23
The effects that cutting, shear, be folded to and re-mixing, constantly changes flow direction, is carried out at the same time the gas exchanges on axial direction and periphery, protects
The dispersion and uniformly mixing of gas three dimensions are demonstrate,proved；It is provided subsequently into jujube brown stain on 13 top rotary table of operating room
Required hygrothermal environment ensures the stability of experiment condition, improves the control accuracy of climatic chamber.
13 top of operating room connects dismountable operating room's upper cover 12, and truncated cone-shaped is designed with conducive to the indoor gas of work certainly
It so steams again to 13 top of operating room, then the upper circular tube 10 by being communicated with pretreatment chamber and operating room's gas is discharged, cycle is more
Thoroughly.Operating room's upper cover 12 is further fixed on temperature sensor 18 and humidity sensor 19, and flat cylindrical work room reduces vertical
Influence to gradient (work indoor longitudinal temperature difference) ensures the accurate detection result of sensor.Temperature sensor 18 and wet
Sensor 19 is spent all to connect by data line and control system 9.The height of 13 shell of operating room is less than pretreatment chamber's shell, pre- to locate
Reason room upper cover 8 left side semicircle part (concentric with operating room) bolt is fixed on above operating room's upper cover, and the half of pretreatment chamber's upper cover 8
Circular portion, which is fixed, is equipped with slowspeed machine, and slowspeed machine connects agitating shaft, drives rotary table and blender low by agitating shaft
Speed rotation.
As shown in figure 3, setting mixed cell body (i.e. X-type mixed cell body) in designed in the present invention, carried in circulating pump
Under the power of confession, work(that gas can voluntarily realize cutting by the X-type special construction, shear, be folded to etc. stirs, mixes again
Can, uniformly mix.
Heretofore described control system 9, refrigerating plant 5, heating device 6, inlet duct 2, exhaust apparatus 7, humidification
The auxiliary elements such as device 3 can be obtained according to the size of insulating box is purchased in market, be replaced convenient for the repair in later stage.
The present invention sets accurate jujube brown stain environment by control system so that the brown stain research of jujube is more accurate；
Heating, cooling in operating room, humidification etc. can be realized automatically；It can be according to prior art binding operation interface real-time display indoor environment
Various indexs, realize earth leakage protective, automatically power off, the security functions such as fixed cycle operator.
The present invention acts not only as jujube brown stain high-precision case body special can apply completely in terms of structure innovation
To the multifunction constant temperature constant humidity cabinet of broad sense, the test babinet as other fields uses, and all rely on mixes list in the present invention
The stabilization housing environment of the similar structures innovation realization of member is all within the scope of the present invention.
Claims (4)
1. a kind of novel constant-temperature constant humidity cabinet for jujube aging blacking, it is characterised in that：Including controller, air pretreatment room
The operating room and；
Environmental Kuznets Curves application software is stored in the controller；Control application software realize automatic heating, Automatic-cooling, from
Dynamic humidification, maintains the control that humiture environmental Kuznets Curves etc. are arranged at automatic air intake and discharge；
The air pretreatment room includes pretreatment shell；Inlet duct, exhaust dress mounted on pretreatment shell right side
It sets；Humidifier, gas circulator, refrigerating plant, the heating device of inside；Case top is movable is connected with pretreatment for pretreatment
Room upper cover；The controller is mounted in pretreatment chamber on lid；The controller by data line and supply lines respectively with
Slowspeed machine, gas circulator, temperature sensor, humidity sensor, humidifier, refrigerating plant, heating device, inlet duct,
Exhaust apparatus is connected with operating room's valve；Pretreatment chamber's shell left side indent semicircular in shape to the right, for placing operating room；
The operating room is fixedly connected on the left of pretreatment chamber's shell, and the whole height of operating room is less than the height of pretreatment chamber,
Operating room's right part is located in the semicircle of pretreatment chamber's shell indent；And pretreatment chamber's upper cover left side semicircle part and operating room's upper cover
It is installed together centrally through axis is concentric；Slowspeed machine is installed on the axis, for driving agitating shaft to rotate；Agitating shaft
Rotary table and blender is driven to slowly run again；
The pretreatment chamber is connected to by upper circular tube with lower circulation pipe respectively with operating room, is provided and is closed back for gas circulation
Road；Pretreatment chamber's case top is connect by upper circular tube with operating room's upper cover；Pretreatment chamber bottom is equipped with gas circulation
Pump, gas circulator are connected to by lower circulation pipe with operating room's lower cover；Gas circulator is used to be air pretreatment room and work
Gas circulation provides power between room, carries out the premixing of steam and gas；Pretreatment shell right side bottom symmetrical connects
Two inlet ducts are connect, right flank middle part connects exhaust apparatus；Air filtration dress is respectively equipped on inlet duct and exhaust apparatus
It sets, filters air plankton；
The operating room is fixed on operating room's case top and bottom group by operating room's upper cover, operating room's lower cover are movable respectively
At；Inside working chamber is equipped with rotary table, mixed cell peace leaf blender successively up and down；The mixed cell is by successively
From top to bottom equidistant mixed cell upper cover disposed in parallel, mixed cell lower cover, mixed cell body composition；Under the agitating shaft
End is connected and fixed after sequentially passing through rotary table and the mixed cell center of circle with flat leaf blender；Agitating shaft upper end and slowspeed machine
Connection；Described its radius of rotary table upper edge is uniformly provided with punching；In operating room's housing sidewall contour with rotary table
Equipped with mobilizable operating room's valve, convenient for disengaging material and observation jujube brown stain situation；Rotary shaft drive rotary table and
Blender rotates, and mixed cell is fixed relative to operating room, is not rotated with rotary shaft；
The mixed cell body is made of multiple regularly arranged raised junior units, each protrusion junior unit spatially X-type；
Operating room's upper cover is equipped with temperature sensor and humidity sensor.
2. a kind of novel constant-temperature constant humidity cabinet for jujube aging blacking as described in claim 1, it is characterised in that：The work
It is in hollow cylinder shape to make room housing；The diameter of cylinder is more than its height；The room housing that works is in integrally flat.
3. a kind of novel constant-temperature constant humidity cabinet for jujube aging blacking as described in claim 1, it is characterised in that：Described
Operating room's upper cover and operating room's lower cover are in truncated conical shape.
4. a kind of novel constant-temperature constant humidity cabinet for jujube aging blacking as described in claim 1, it is characterised in that：It is described mixed
It closes and is equipped with punching, punching hole diameter 1mm on lid under unit upper cover and mixed cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309829.8A CN108273572B (en) | 2018-04-09 | 2018-04-09 | Novel constant temperature and humidity box for aging and blackening red dates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309829.8A CN108273572B (en) | 2018-04-09 | 2018-04-09 | Novel constant temperature and humidity box for aging and blackening red dates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108273572A true CN108273572A (en) | 2018-07-13 |
| CN108273572B CN108273572B (en) | 2023-08-25 |
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ID=62811302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810309829.8A Active CN108273572B (en) | 2018-04-09 | 2018-04-09 | Novel constant temperature and humidity box for aging and blackening red dates |
Country Status (1)
| Country | Link |
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| CN (1) | CN108273572B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347107A (en) * | 1993-06-08 | 1994-12-20 | Hitachi Ltd | Method of controlling freezer and control device for freezer for thermo-hygrostat |
| CN201720061U (en) * | 2010-05-12 | 2011-01-26 | 成都市产品质量监督检验院 | Weather box for detecting release amount of formaldehyde |
| CN102198408A (en) * | 2010-03-23 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Constant temperature and humidity box |
| CN203259912U (en) * | 2013-06-05 | 2013-10-30 | 山东农业大学 | Mute constant temperature and humidity chamber/room |
-
2018
- 2018-04-09 CN CN201810309829.8A patent/CN108273572B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347107A (en) * | 1993-06-08 | 1994-12-20 | Hitachi Ltd | Method of controlling freezer and control device for freezer for thermo-hygrostat |
| CN102198408A (en) * | 2010-03-23 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Constant temperature and humidity box |
| CN201720061U (en) * | 2010-05-12 | 2011-01-26 | 成都市产品质量监督检验院 | Weather box for detecting release amount of formaldehyde |
| CN203259912U (en) * | 2013-06-05 | 2013-10-30 | 山东农业大学 | Mute constant temperature and humidity chamber/room |
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| Publication number | Publication date |
|---|---|
| CN108273572B (en) | 2023-08-25 |
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