A kind of intelligent ecological fresh-keeping warehouse system
Technical field
The present invention relates to freezer technical field of preservation of fresh is and in particular to a kind of intelligent ecological fresh-keeping warehouse system.
Background technology
Traditional fresh-keeping Repiration usually adopting technique of refrigeration, suppressing ecological product by reducing temperature, from
And the aging slowing down ecological product is rotted, effectively increase fresh keeping time.Freezer is freezed by refrigeration machine, using gasification temperature very
Low liquid (ammonia or freon), absorbs in storage so as to evaporate under conditions of low pressure and Mechanical course as coolant
Heat, reach the purpose cooling.A kind of however, ammonia, as cold-producing medium, not only has penetrating odor, and toxicity
Greatly, be mixed into air post-etching to strengthen, easily catch fire it is often more important that, compressor exhaust temperature is high.Freon is then that destruction is smelly
The arch-criminal of oxygen layer, is harmful to environment, and, freon, in slow oxidation decomposition course, generates great amount of carbon dioxide, causes temperature
Room effect.
Content of the invention
In order to solve the problems such as environmental pollution in above-mentioned technology is big, toxicity is big, corrosivity are strong, the present invention provides a kind of intelligence
Ecological fresh-keeping warehouse system.
The purpose of the present invention is achieved through the following technical solutions: a kind of intelligent ecological fresh-keeping warehouse system it is characterised in that: bag
Include plc intelligence control system, the library, illuminating lamp, alarm, remote monitor, air-replacement device, ultrasonic humidifier, ozone
Generator and liquid nitrogen plan, wherein, plc intelligence control system includes sensor, person-computer union and plc control centre,
Sensor is quadruple effect unification sensor, including the detection to oxygen concentration, humidity, ozone concentration and temperature, sensor, illuminating lamp and
Alarm is located inside the library, and air-replacement device, ultrasonic humidifier, ozonator and liquid nitrogen plan arrive the library even respectively
Connect, plc control centre is sent out with illuminating lamp, alarm, remote monitor, air-replacement device, ultrasonic humidifier and ozone respectively
Raw device connects.
Preferably, described air-replacement device includes exhaust fan and window for keeping pressure balance, and window for keeping pressure balance connects the inside of exhaust fan and body,
Accelerate the air-flow of the library, so that oxygen concentration, humidity, ozone concentration and the temperature of the inside of the library is rapidly reached consistent.
Preferably, described ultrasonic humidifier has nozzle, and nozzle is connected to inside the library.
Preferably, described ozonator has nozzle, and nozzle is connected to inside the library.
Preferably, described liquid nitrogen plan includes liquid nitrogen container, electromagnetic valve, liquid nitrogen spray and pipeline, and liquid nitrogen spray includes mist
Change shower nozzle, vaporization shower nozzle and exhaust fan, liquid nitrogen spray is located at the inside of the library, the both sides of exhaust fan connect atomizer and vaporization
Shower nozzle, atomizer and vaporization shower nozzle pass through the first pipeline respectively, second pipe connects liquid nitrogen container and liquid nitrogen spray, first pipe
Road, second pipe are provided with the first electromagnetic valve, the second electromagnetic valve, the first electromagnetic valve and the second electromagnetic valve respectively with plc control in
The heart connects.
Preferably, described pipeline is vacuum pipe.
The present invention, with respect to prior art, has such advantages as and effect:
The present invention relates to a kind of intelligent ecological fresh-keeping warehouse system, including plc intelligence control system, the library, remote monitor,
Air-replacement device, ultrasonic humidifier, ozonator, liquid nitrogen plan, illuminating lamp and alarm.The system is replaced by air
Device, accelerates air-flow, makes the oxygen concentration within the library, humidity, ozone concentration be rapidly achieved consistent, ultrasonic humidifier tune with temperature
Section humidity, ozonator adjusts ozone concentration.In addition, liquid nitrogen plan includes liquid nitrogen spray, liquid nitrogen spray includes atomization spray
Head and vaporization shower nozzle, the states of matter conversion of achievable liquid nitrogen and nitrogen, on the one hand adjust oxygen concentration, on the other hand control temperature, letter
Change fresh-keeping system.Compared with prior art, not only increase fresh keeping time, and adopt liquid nitrogen refrigerating, safe and harmless, environment
Friendly.In addition the full Based Intelligent Control of plc, saves manpower, convenient management.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
One embodiment of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of integrally-built front view of present invention intelligent ecological fresh-keeping warehouse system;
Fig. 2 is a kind of integrally-built top view of present invention intelligent ecological fresh-keeping warehouse system;
Fig. 3 is a kind of integrally-built side view of present invention intelligent ecological fresh-keeping warehouse system;
Fig. 4 is a kind of structural representation of the liquid nitrogen spray of present invention intelligent ecological fresh-keeping warehouse system.
In figure, 1 intelligence control system, 11 sensors, 12 person-computer union, 13plc control centre;2 the libraries;3 is remote
Range monitoring device;4 air-replacement devices;5 ultrasonic humidifiers;6 ozonators;7 liquid nitrogen plans, 71 liquid nitrogen containers, 72 electromagnetic valves,
721 first electromagnetic valves, 722 second electromagnetic valves, 73 liquid nitrogen spray, 731 atomizers, 732 vaporization shower nozzles, 733 exhaust fan 74 are managed
Road;8 illuminating lamps;9 alarms.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes it is clear that described embodiment is only one embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into the scope of protection of the invention.
A kind of intelligent ecological fresh-keeping warehouse system, puts including plc intelligence control system 1, the library 2, remote monitor 3, air
Parallel operation 4, ultrasonic humidifier 5, ozonator 6, liquid nitrogen plan 7, illuminating lamp 8 and alarm 9.
Plc intelligence control system 1 includes sensor 11, person-computer union 12 and plc control centre 13, sensor 11
Unify sensor for quadruple effect, including the detection to oxygen concentration, humidity, ozone concentration and temperature, sensor 11 is located in the library 2
Portion, sensor 11 is connected with plc control centre 13, and person-computer union 12 is connected with plc control centre 13.
Air-replacement device 4 includes exhaust fan and window for keeping pressure balance, and window for keeping pressure balance connects the inside of air-replacement device and the library 2, accelerates
Air-flow within the library 2, makes the oxygen concentration within the library 2, humidity, ozone concentration and temperature be rapidly reached consistent.Air is replaced
Device 4 is connected with plc control centre 1, to realize the Based Intelligent Control to air-replacement device 4 for the plc control centre.
Ultrasonic humidifier 5 is connected to inside the library 2 by pipeline, and ultrasonic humidifier 5 is connected with plc control centre 1,
To realize plc control centre to ultrasonic humidifier 5, thus adjusting the humidity of the library.
Ozonator 6 is connected to inside the library 2 by pipeline, and ozonator 6 is connected with plc control centre 1, with reality
The Based Intelligent Control to ozonator 6 for the existing plc control centre, thus adjust the ozone concentration of the library.
Liquid nitrogen plan 7 includes liquid nitrogen container 71, electromagnetic valve 72, liquid nitrogen spray 73 and pipeline 74, and liquid nitrogen spray 73 is located at the library 2
Inside, by pipeline 74 connect liquid nitrogen fill 71 with liquid nitrogen spray 73, with realize liquid nitrogen or nitrogen are transferred in the library 2
Portion.Liquid nitrogen spray 73 includes atomizer 731, vaporization shower nozzle 732 and exhaust fan 733, and the two ends of exhaust fan 733 connect atomization spray
731 and vaporization shower nozzle 732.Atomizer 731 is connected with the inside of the library 2 by the first pipeline, to realize converting nitrogen
Liquid nitrogen is become to be transferred to the inside of the library 2;Vaporization shower nozzle 732 is connected to the inside of the library 2 by second pipe, is turned with realizing liquid nitrogen
Chemical conversion nitrogen is transferred to the inside of the library 2;First electromagnetic valve 721 and the second electromagnetism are respectively equipped with the first pipeline, second pipe
Valve 722, the first electromagnetic valve 721 and the second electromagnetic valve 722 are connected with plc control centre 13, to realize plc Based Intelligent Control.
Illuminating lamp 8 is connected with plc control centre 13, and illuminating lamp 21 is connected with sensor, to realize the certainly dynamic of illuminating lamp 8
Answer illumination functions.
Alarm 9 is connected with plc control centre 13, and illuminating lamp 21 is connected with sensor, to realize the certainly dynamic of alarm 9
Answer warning function.
Concrete example:
Before switching on power, all of closed electromagnetic valve.After switching on power, system starts, touched by man machine interface
The oxygen concentration of screen 12 setting the library 2, the desired value of humidity, ozone concentration and temperature, and desired value is passed to plc control centre
13.
The internal oxygen concentration of sensor 12 detection the library 2, humidity, ozone concentration and temperature, and detected value is passed to plc control
Center 13 processed.
Plc control centre 13 is analyzed to desired value and detected value.When the detected value of temperature is higher than desired value, first
Electromagnetic valve 721 is opened, and nitrogen changes into the inside that liquid nitrogen is transferred to the library 2, temperature drop, and air-replacement device 4 is opened, and accelerates gas
Stream, makes the temperature in the library 2 be rapidly reached unanimously, till the detected value of temperature is equal to desired value, the first electromagnetic valve 721 closes
Close, air-replacement device 4 is closed;When the detected value of oxygen concentration is higher than desired value, the second electromagnetic valve 722 is opened, and liquid nitrogen is by steam fog
Change shower nozzle gasifies and is transferred to the inside of the library 2 for nitrogen, and oxygen concentration reduces, and air-replacement device 4 is opened, and accelerates air-flow, makes the library 2
Oxygen concentration be rapidly reached unanimously, until the detected value of oxygen concentration is equal to desired value, the second electromagnetic valve 722 cuts out, and air is replaced
Device 4 cuts out;When the detected value of humidity is less than desired value, ultrasonic humidifier 5 is opened, and vapor enters into inside the library 2, wet
Degree increases, and air-replacement device 4 opens, and accelerates air-flow, so that the humidity of the library 2 is rapidly reached unanimously, until the detected value etc. of humidity
In desired value, ultrasonic humidifier 5 cuts out, and air-replacement device 4 is closed;When the detected value of ozone concentration is less than desired value, smelly
Oxygen Generator 6 is opened, and ozone enters into inside the library 2, and ozone concentration increases, and air-replacement device 4 is opened, and accelerates air-flow, makes storehouse
The ozone concentration of body 2 is rapidly reached unanimously, and until the detected value of ozone concentration is equal to desired value, ozonator 6 cuts out, air
Displacer 4 is closed.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.