CN116548223A - Artificial climate chamber - Google Patents
Artificial climate chamber Download PDFInfo
- Publication number
- CN116548223A CN116548223A CN202310715389.7A CN202310715389A CN116548223A CN 116548223 A CN116548223 A CN 116548223A CN 202310715389 A CN202310715389 A CN 202310715389A CN 116548223 A CN116548223 A CN 116548223A
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- Prior art keywords
- air
- main body
- climate chamber
- equipment room
- chamber main
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- 239000011148 porous material Substances 0.000 claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000007791 dehumidification Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 244000038559 crop plants Species 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/246—Air-conditioning systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/28—Raised beds; Planting beds; Edging elements for beds, lawn or the like, e.g. tiles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses an artificial climate chamber, which comprises a climate chamber main body, wherein an equipment room is arranged at the rear end of the climate chamber main body, ventilation pore plates are arranged at two sides in the climate chamber main body, a return air duct is arranged between the ventilation pore plates and the side wall surface of the climate chamber main body, a refrigerating module positioned in the equipment room is arranged at the rear end of the return air duct, and a heating module is further arranged at the side surface of the refrigerating module; the top in the main body of the climate chamber is provided with an air supply pipe, a plurality of air supply diffusers distributed side by side are arranged on the air supply pipe, the tail end of the air supply pipe is also provided with a flange air pipe positioned in the equipment room, and the flange air pipe is connected with a fan positioned in the equipment room; the inside of the climatic chamber main body is also provided with a culture rack positioned on the side surface of the ventilation pore plate. The invention has the characteristic of effectively improving the air flow diffusion uniformity.
Description
Technical Field
The invention relates to an artificial simulation environment control room for plant growth, in particular to an artificial climate room.
Background
The artificial climate chamber, also called a controllable artificial simulation environment laboratory, can manually control factors such as illumination, temperature, humidity, air pressure, gas composition and the like, and the environment material composition; the system can be free from the influence of geography, seasons and weather conditions, can carry out tasks of environmental science research, teaching and work under the preset controllable meteorological factors, and is an important infrastructure for agricultural and biological science research. However, in the existing artificial environment cultivation room, the indoor air circulation flow is generally in a form of air supply from two sides and air return from the top, so that the uniformity of air flow diffusion is poor, the temperature of the lower layer can be lower due to cold air flow from bottom to top, the temperature difference between the upper layer and the lower layer in the climate room is large, and the cultivation of the upper and lower layers of plants is not facilitated. Therefore, the prior art has the problem of uneven airflow diffusion.
Disclosure of Invention
The invention aims to provide a climatic chamber. The invention has the characteristic of effectively improving the air flow diffusion uniformity.
The technical scheme of the invention is as follows: the artificial climate chamber comprises a climate chamber main body, wherein an equipment room is arranged at the rear end of the climate chamber main body, ventilation pore plates are arranged at two sides in the climate chamber main body, a return air duct is arranged between the ventilation pore plates and the side wall surface of the climate chamber main body, a refrigerating module positioned in the equipment room is arranged at the rear end of the return air duct, and a heating module is further arranged at the side surface of the refrigerating module; the top in the main body of the climate chamber is provided with an air supply pipe, a plurality of air supply diffusers distributed side by side are arranged on the air supply pipe, the tail end of the air supply pipe is also provided with a flange air pipe positioned in the equipment room, and the flange air pipe is connected with a fan positioned in the equipment room; the inside of the climatic chamber main body is also provided with a culture rack positioned on the side surface of the ventilation pore plate.
In the aforementioned artificial climate chamber, a fresh air valve is arranged at the top end of the equipment room, and an exhaust fan is arranged at the top of the front end of the climate chamber main body.
In the aforementioned artificial climate chamber, a spray pipe is arranged in the middle of the climate chamber main body, and the spray pipe is connected with a humidifier positioned in the equipment room.
In the aforementioned artificial climate chamber, the cultivation frame comprises a frame body, wherein a plurality of layers of trays which are arranged up and down are arranged on the frame body, a PVC plate is arranged on the upper surface of each tray, and an LED lamplight laminate is arranged at the upper end of each tray.
In the aforementioned artificial climate chamber, the heating module comprises a plurality of aluminum tubes positioned at the air outlet side of the condenser, and PTC ceramic heating elements are arranged in the aluminum tubes.
Compared with the prior art, the air return duct is arranged between the vent hole plates and the climate chamber main body by arranging the vent hole plates at two sides in the climate chamber main body, and the air supply pipe is arranged in the middle of the inner top end of the climate chamber main body, so that the form of supplying air from the top of the climate chamber to the vent hole plates at two sides for returning air is formed, the air is supplied to the climate chamber through the pressurizing fan at the middle top of the climate chamber, and is diffused downwards to the culture racks at two sides in the middle, because the difference of the air speed of the supplied air and the returned air forms positive pressure in the climate chamber, the uniformity of air flow diffusion is ensured, and the uniformity of temperature and humidity between the upper layer culture rack and the lower layer culture rack is further ensured; and through setting up the air supply diffuser, can also further guarantee the homogeneity of air current diffusion. In summary, the invention has the characteristic of effectively improving the uniformity of air flow diffusion.
In addition, the culture rack is composed of a rack body, a plurality of layers of trays are arranged on the rack body, and the sufficiency and uniformity of a light source are ensured by arranging LED light below each layer of trays.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a structural view of the culture shelf;
FIG. 3 is an arrangement view of an air diffuser;
FIG. 4 is an arrangement view of a fresh air system;
fig. 5 is an arrangement view of the humidifying system;
fig. 6 is a schematic diagram of a refrigeration module;
fig. 7 is a structural view between the refrigeration module and the return air duct;
FIG. 8 is a perspective view of the inter-device and return air duct portion of the present invention;
fig. 9 is a perspective view of the present invention.
The marks in the drawings are: the air conditioner comprises a 1-climatic chamber main body, a 2-equipment room, a 3-ventilation pore plate, a 4-return air duct, a 5-refrigerating module, a 6-blast pipe, a 7-blast diffuser, an 8-flange blast pipe, a 9-fan, a 10-culture rack, an 11-fresh air valve, a 12-exhaust fan, a 13-spray pipe, a 14-humidifier, a 101-rack body, a 102-tray, a 103-PVC board and a 104-LED lamplight laminate.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. An artificial climate chamber is shown in fig. 1-9, and comprises a climate chamber main body 1, wherein an equipment room 2 is arranged at the rear end of the climate chamber main body 1, ventilation pore plates 3 are arranged at two sides in the climate chamber main body 1, a return air duct 4 is arranged between the ventilation pore plates 3 and the side wall surface of the climate chamber main body 1, a refrigerating module 5 positioned in the equipment room 2 is arranged at the rear end of the return air duct 4, and a heating module is further arranged at the side surface of the refrigerating module 5; the top in the climate chamber main body 1 is provided with an air supply pipe 6, a plurality of air supply diffusers 7 which are distributed side by side are arranged on the air supply pipe 6, the tail end of the air supply pipe 6 is also provided with a flange air pipe 8 positioned in the equipment room 2, and the flange air pipe 8 is connected with a fan 9 positioned in the equipment room 2; a culture rack 10 positioned on the side surface of the ventilation pore plate 3 is also arranged in the climatic chamber main body 1.
The top of the equipment room 2 is provided with a fresh air valve 11, and the top of the front end of the climatic chamber main body 1 is provided with an exhaust fan 12.
The middle part in the climatic chamber main body 1 is provided with a spray pipe 13, and the spray pipe 13 is connected with a humidifier 14 positioned in the equipment room 2.
The culture rack 10 comprises a rack body 101, a plurality of layers of trays 102 which are arranged up and down are arranged on the rack body 101, PVC plates 103 are arranged on the upper surface of the trays 102, and LED lamplight laminate plates 104 are arranged at the upper ends of the trays 102.
The heating module comprises a plurality of aluminum pipes positioned at the air outlet side of the condenser, and PTC ceramic heating elements are arranged in the aluminum pipes.
The refrigeration module includes a compressor, an evaporator, a condenser, an expansion valve, and the like.
The main body of the climate chamber comprises an enclosure structure built by heat-insulating materials, the front end of the enclosure structure is provided with a heat-insulating door,
the enclosure structure adopts a 50mm polyurethane color steel plate to construct a high climate chamber with an external size of 4900 x 2650 x 2500mm and an internal net use area of length, width and height of 4150 x 2150 x 2400 mm; the climate chamber is followed by an air conditioning room with a width of 600m; the two side return air channels are 200m wide each.
The polyurethane color steel plate adopts a double-sided color steel polyurethane color steel plate assembly structure, the plate thickness is 50mm, the steel plate thickness is more than or equal to 0.5mm, the flame retardance is realized, and the self-extinguishing time is less than 5s. The specific gravity of the polyurethane foam is 40+/-2 kg/m3, and the heat conductivity coefficient of the foam is less than or equal to 0.021W/(m 2. Times.K); the water absorption rate is less than or equal to 2.2 percent (v/v), and the fire resistance grade is as follows: and B2 stage. Compared with the common EPS color steel plate heat insulation material, the heat insulation material has the advantages of low fireproof and heat conduction coefficient, better heat insulation effect, good load resistance, high bending strength, no water absorption, no decay, no worm damage and rat bite, difficult combustion, longer performance, convenient installation and elegant appearance.
The ventilation pore plate is supported by an aluminum alloy frame and is reinforced by corner brackets. The boards are connected by a wedge, and foaming agent is injected at the joint to seal the joint so as to achieve the effects of heat insulation, moisture preservation, energy conservation and firmness.
An anti-slip PVC floor slab is paved on the floor in the main body of the climate chamber. The PVC floor slab is paved by using a floor slab coiled material with a homogeneous permeable core, and has a fire-proof grade B1 and an environment-friendly grade Eo.
The weather chamber heat-insulating door adopts a double-sided color steel polyurethane integrated sealing door with the thickness of 50mm. The connection and the sealing of each indoor combination part are good.
Two rows of culture racks are arranged on two sides of the climate chamber by air supply pore plates, the specification size is W1350 x D650 x H2400 + -10 mm, and the tray laminate is made of 304 stainless steel. Each group of culture rack is a 4-layer tray, wherein 3 layers are provided with light sources, ventilation convection space is arranged between the tray and the light sources, 10 LED plant growth lamps are arranged on each layer, and the height of each layer can be freely adjusted up and down. The light source power lines are hidden wires, the power lines are not exposed, the whole frame structure is made of 4040 guide rail aluminum materials with the thickness of 2mm, and the whole culture rack tray has no welding points and can be disassembled and assembled at will.
The R/B value of the LED light source is R2.3/B1, the R/FR value of the LED light source is R2.9/FR1, and the plant light source is more suitable for the growth of crop plants and the accumulation of organic matters.
The bottom of the inner side of the equipment room is also provided with an access hole.
The heating module adopts a PTC ceramic heating system and consists of a PTC ceramic heating element and an aluminum tube. Is an electric heating device with low resistance and high heat exchange efficiency, is an automatic constant temperature and power saving, and can safely and automatically limit temperature and heat
The dehumidification function of the climate chamber is realized by means of the dehumidification circulation formed by the air conditioning unit, namely a refrigerating module (refrigerating) and the electric heater, namely a heating module (temperature compensation), so as to dehumidify the room. In a dehumidification state, the control system starts the compressor to refrigerate, air is cooled to be below the dew point temperature through the evaporator, and moisture in the air is separated out, so that the dehumidification purpose is achieved.
The humidifying system adopts a 9KG ultrasonic humidifier, and the climate chamber adopts an industrial grade ultrasonic humidifier. The ultrasonic humidifier not only has the functions of automatic water supplementing and overflow protection, but also solves the problems of stable performance, high requirement on humidification control precision, low power density, small and uniform atomization effect and the like. An ultrasonic humidification system is provided with a humidification pipe (spray pipe) positioned in a main body of a climate chamber and comprises a water inlet filter device.
The air circulation mode of the invention: the air flow is sent out from the air outlet shutter at the top of the climatic chamber, positive pressure is formed in the climatic chamber, and then air is uniformly returned from the ventilation pore plates with the thickness of 4mm at the two sides of the climatic chamber (the pore plates are provided with aluminum alloy keel supporting frames) to form circulating air flow. The air supply quantity can be obtained according to the PID algorithm of the system, and then the frequency is adjusted by the brand frequency converter so as to ensure that the air supply quantity of the fan can meet the requirements in a room, ensure that the air flow is circulated continuously and ensure that the climate chamber reaches uniform temperature.
The circulation wind system must be operated for 24 hours continuously in the climate chamber due to the existence of the plant light source. The quantity of circulating wind must be able to take away the heat in the climate chamber, ensuring the constant temperature in the climate chamber. Referring to the circulating air volume of clean factory building design Specification (GB 50073-2001), the size of a circulating fan is selected according to the size of an air conditioner by combining with the design practice of a climate chamber, and the circulating air volume=the number of air conditioners is 600m 3 and/H. The air conditioner of the climate chamber design has the refrigerating capacity of 13800W (6P) in consideration ofThe plant grows in the climate chamber, the uprightness of the plant can be influenced by the overlarge and undersize circulating air speeds, the air speed of the air outlet is designed to be 2m/s, and the total circulating air quantity of the designed climate chamber is 3600m 3 /H。
The circulating air outlet in the climatic chamber adopts the form of air supply of a top diffuser, 3 serial air outlets are designed according to the length of the climatic chamber, the size of each air outlet is a circular rotary diffuser with the diameter of 460mm, and the uniformity of a wind field is good. The distribution mode of the diffusers is that the diffuser centers are used as standard and equally divided and are not arranged in the center of the climate chamber, so that the air flow radiation range of each diffuser is ensured to be consistent.
According to the weather chamber, according to the air outlet speed Vc=total circulating air quantity/(3600 times the air outlet area Sc), the air outlet speed is calculated to be 2m/s, and the air speed of each air outlet is controlled to be 2m/s by adjusting the air outlet louvers.
The design of return air hole plates is designed on two sides of a climatic chamber, and firstly, positive pressure is formed in the climatic chamber, and the return air speed is half of the air outlet speed, namely 1m/s, according to the clean factory building design Specification (GB 50073-2001). The total area of all the return air hole plates at the two sides is 20.3 square meters, the hole diameter of the holes is 9mm, the hole distance is 46mm, and the total area of the return air is 1 square meter.
The control box is further arranged, and other parameter abnormality alarms such as short-circuit protection, leakage protection, phase sequence protection, open-term protection, overcurrent protection, high-low voltage protection of refrigeration equipment, overtemperature automatic power-off protection and the like are arranged in the galvanized steel sheet insulating distribution box. The system mainly comprises a Chinese liquid crystal touch screen system, a Siemens PLC, a temperature and humidity sensor and corresponding communication and equipment driving circuits.
Through setting up the new trend valve on equipment room top, set up the discharge machine at climate chamber main part starting end top, constitute fresh air system, can utilize outdoor new trend to adjust indoor temperature, can stop or reduce the load of air conditioner, practice thrift a large amount of energy.
Claims (5)
1. A climatic chamber, characterized by: the air conditioner comprises a climate chamber main body (1), wherein an equipment room (2) is arranged at the rear end of the climate chamber main body (1), ventilation pore plates (3) are arranged on two sides in the climate chamber main body (1), an air return duct (4) is arranged between the ventilation pore plates (3) and the side wall surface of the climate chamber main body (1), a refrigerating module (5) positioned in the equipment room (2) is arranged at the rear end of the air return duct (4), and a heating module is further arranged on the side surface of the refrigerating module (5); the top in the climatic chamber main body (1) is provided with an air supply pipe (6), a plurality of air supply diffusers (7) which are distributed side by side are arranged on the air supply pipe (6), the tail end of the air supply pipe (6) is also provided with a flange air pipe (8) which is positioned in the equipment room (2), and the flange air pipe (8) is connected with a fan (9) which is positioned in the equipment room (2); the inside of the climatic chamber main body (1) is also provided with a culture rack (10) positioned on the side surface of the ventilation pore plate (3).
2. A climatic chamber according to claim 1, wherein: the top of the equipment room (2) is provided with a fresh air valve (11), and the top of the front end of the climate chamber main body (1) is provided with an exhaust fan (12).
3. A climatic chamber according to claim 1, wherein: the middle part in climate chamber main part (1) is equipped with spray pipe (13), and spray pipe (13) are connected with humidifier (14) that are located in equipment room (2).
4. A climatic chamber according to claim 1, wherein: the culture rack (10) comprises a rack body (101), wherein a plurality of layers of trays (102) which are arranged up and down are arranged on the rack body (101), PVC plates (103) are arranged on the upper surfaces of the trays (102), and LED lamplight laminates (104) are arranged at the upper ends of the trays (102).
5. A climatic chamber according to claim 1, wherein: the heating module comprises a plurality of aluminum pipes positioned at the air outlet side of the condenser, and PTC ceramic heating elements are arranged in the aluminum pipes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310715389.7A CN116548223A (en) | 2023-06-15 | 2023-06-15 | Artificial climate chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310715389.7A CN116548223A (en) | 2023-06-15 | 2023-06-15 | Artificial climate chamber |
Publications (1)
Publication Number | Publication Date |
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CN116548223A true CN116548223A (en) | 2023-08-08 |
Family
ID=87486246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202310715389.7A Pending CN116548223A (en) | 2023-06-15 | 2023-06-15 | Artificial climate chamber |
Country Status (1)
Country | Link |
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CN (1) | CN116548223A (en) |
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2023
- 2023-06-15 CN CN202310715389.7A patent/CN116548223A/en active Pending
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