Internal circulation humidifying mechanism and fresh-keeping device

Abstract

The utility model discloses an internal circulation humidifying mechanism and fresh-keeping device, which comprises a water tank, a water vapor generating mechanism is arranged in the water tank, a circulating fan is arranged on the water tank, an air inlet of the circulating fan is communicated and connected with one end of a backflow pipeline, and the other end of the backflow pipeline is communicated with the inside of the fresh-keeping device which is independently arranged outside. A humidifying pipeline is further connected to the water tank in a communicating mode, the other end of the humidifying pipeline is communicated with the interior of a fresh-keeping device independently arranged outside, and the input end of the water vapor generating mechanism and the input end of the circulating fan are electrically connected with the output end of an external controller. The fan can be prevented from directly inducing air from the external environment to influence the stable environment in the fresh-keeping device, and the fresh-keeping effect of the fresh-keeping device is improved through the internal circulation humidification mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to food preservation technical field, concretely is a kind of inner circulation humidification mechanism and fresh-keeping device. BACKGROUND

[0002] With the improvement of people's living standards, people pay more and more attention to the quality of food and food safety, in order to prolong the shelf life of food and freshness, usually the food is refrigerated, prevent the decomposition of enzyme, oxidation and microbial growth and reproduction, so that the food is in a low temperature environment state and is not easy to deteriorate, and the food is preserved in the fresh-keeping device, the meat moisture loss is more serious due to the air cooling of the fresh-keeping device, and then the preservation effect is affected, in order to reduce the meat moisture loss, the air humidity in the fresh-keeping device is improved by the humidification mechanism, for example, the existing patent CN202323560424.7 low temperature gas regulation preservation device for short-term preservation of meat, the patent can humidify the food in the fresh-keeping device by setting the humidification unit, and ensure the freshness of food, especially meat, the fan of the humidification mechanism directly induces the air outside, and then drives the water mist into the inside of the fresh-keeping device, although the humidity in the fresh-keeping device is improved, the composition and temperature of the outside air are different from the air in the fresh-keeping device, so the stable environment in the fresh-keeping device is affected, and the preservation effect is general. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problems of overcoming the defects of the prior art, and provides an inner circulation humidification mechanism and fresh-keeping device, which can avoid the influence of the fan directly inducing air from the outside environment on the stable environment in the fresh-keeping device by connecting the air inlet of the fan with the inside of the fresh-keeping device, and the inner circulation humidification method improves the preservation effect of the fresh-keeping device, which can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: an inner circulation humidification mechanism, comprising a water tank,

[0005] The inside of the water tank is provided with a water vapor generating mechanism, a circulating fan is arranged on the water tank, the air inlet of the circulating fan is connected with one end of a backflow pipeline, the other end of the backflow pipeline is connected with the inside of an externally arranged fresh-keeping device, and the water tank is also connected with a humidification pipeline in a communicating manner, the other end of the humidification pipeline is connected with the inside of the externally arranged fresh-keeping device, the input end of the water vapor generating mechanism and the circulating fan is electrically connected with the output end of an external controller, the air inlet of the fan is connected with the inside of the fresh-keeping device, which can avoid the influence of the fan directly inducing air from the outside environment on the stable environment in the fresh-keeping device, and the inner circulation humidification method improves the preservation effect of the fresh-keeping device.

[0006] Preferably, the water vapor generating mechanism is an ultrasonic atomizer or an oscillating sheet, which generates steam in the water tank.

[0007] The utility model discloses still provide a kind of preservation device, including the inner circulation humidification mechanism of above.

[0008] Preferably, the water vapor generating mechanism is an ultrasonic atomizer or an oscillating sheet, which generates steam in the water tank.

[0009] Preferably, the water vapor generating mechanism is an ultrasonic atomizer or an oscillating sheet, which generates steam in the water tank.

[0010] Preferably, the water vapor generating mechanism is an ultrasonic atomizer or an oscillating sheet, which generates steam in the water tank.

[0011] Preferably, the water vapor generating mechanism is an ultrasonic atomizer or an oscillating sheet, which generates steam in the water tank.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The circulating fan can directly draw air from the inside of the fresh-keeping device when working, and the humidity, temperature and gas environment inside the fresh-keeping device are relatively stable and most beneficial to fresh-keeping, so that the fresh-keeping effect of the fresh-keeping device is improved by connecting the air inlet of the fan with the inside of the fresh-keeping device to avoid the influence of the fan directly drawing air from the outside environment on the stable environment inside the fresh-keeping device.

[0014] 2. When supplementing oxygen and carbon dioxide, the flow of gas can be used to drive the fan blades to rotate, thereby mixing the incoming gas and improving the uniformity of the fresh-keeping gas supplement, thereby improving the fresh-keeping effect of the fresh-keeping device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic diagram of the utility model;

[0016] Fig. 2 It is a sectional view structural schematic diagram of the water tank of the utility model;

[0017] Fig. 3 It is a sectional view structural schematic diagram of the mixing box of the utility model.

[0018] In the figure: 1 frame, 2 fresh-keeping device, 3 water tank, 4 circulating fan, 5 circulating pipe one, 6 humidification pipeline, 7 water vapor generating mechanism, 8 mixing box, 9 gas supply pipe, 10 carbon dioxide cylinder, 11 carbon dioxide pipe, 12 oxygen generator, 13 oxygen pipe, 14 detection box, 15 air extraction fan, 16 detection pipe, 17 oxygen concentration detector, 18 carbon dioxide concentration detector, 19 temperature and humidity sensor, 20 circulating pipe three, 21 electromagnetic valve, 22 flow guide cover, 23 fan blade, 24 large circular hole, 25 spiral piece, 26 small circular hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The embodiment provides a technical scheme: an internal circulation humidification mechanism, which comprises a water tank 3.

[0021] The inside of the water tank 3 is provided with a water vapor generating mechanism 7, and the water tank 3 is provided with a circulating fan 4, the air inlet of the circulating fan 4 is connected with one end of a return pipeline 5, the other end of the return pipeline 5 is communicated with the inside of an externally separately provided fresh-keeping device, and the water tank 3 is also connected with a humidifying pipeline 6 in a communicated mode, the other end of the humidifying pipeline 6 is communicated with the inside of the externally separately provided fresh-keeping device, the input end of the water vapor generating mechanism 7 and the circulating fan 4 is electrically connected with the output end of an external controller, the water vapor generating mechanism 7 is an ultrasonic atomizer or an oscillation sheet, the oscillation signal from a main circuit board is amplified by a high-power triode, and is transmitted to the ultrasonic sheet of the ultrasonic atomizer, the ultrasonic sheet converts electric energy into ultrasonic energy, and the ultrasonic energy can atomize the water in the water tank 3 at normal temperature, the water in the water tank 3 forms water mist, the circulating fan 4 sends the air of the fresh-keeping device to the inside of the water tank 3 through the circulating pipeline 5, and the water mist in the water tank 3 is sent to the inside of the fresh-keeping device 2 through the humidifying pipeline 6 to humidify the food in the fresh-keeping device 2;

[0022] The utility model provides a kind of fresh-keeping device, including internal circulation humidification mechanism, still including frame 1 and fresh-keeping device 2, frame 1 is located in the right side of fresh-keeping device 2, the lower surface of water tank 3 is fixedly connected with the right end in the inside of frame 1, the left side of frame 1 middle part is equipped with mixing box 8, the upper side wall of mixing box 8 is equipped with flow guide cover 22, the lower end of flow guide cover 22 is opened with big round hole 24, flow guide cover 22's middle part is rotatably connected with fan blade 23, fan blade 23 is located in the upper of big round hole 24, the upper end of mixing box 8 is communicated with the inside of fresh-keeping device 2 by gas supply pipe 9, the right lower end of frame 1 is equipped with carbon dioxide gas cylinder 10, the gas outlet of carbon dioxide gas cylinder 10 upper end is communicated with the inside of mixing box 8 by carbon dioxide pipe 11, the lower end in the inside of frame 1 is equipped with oxygen generator 12, the oxygen supply end of oxygen generator 12 is communicated with the inside of mixing box 8 by oxygen pipe 13, the input end of oxygen generator 12 is electrically connected the output end of external PLC controller, the middle part of carbon dioxide pipe 11 is connected with electromagnetic valve 21, the input end of electromagnetic valve 21 is electrically connected the output end of external PLC controller, start oxygen generator 12 and air suction fan 15, electromagnetic valve 21 opens, oxygen generator 126 generates oxygen, and oxygen is transported to mixing box 8 by oxygen pipe 13, carbon dioxide in carbon dioxide gas cylinder 10 is transported to mixing box 8 by carbon dioxide pipe 11, gas flows downward along the inner wall of flow guide cover 22 and mixing box 8, then converges in the lower direction and passes through big round hole 24 and blows fan blade 23, fan blade 23 is self-rotated under the influence of airflow, and then mixes the incoming gas and flows into the inside of gas supply pipe 9 upwards, and then carbon dioxide and oxygen mixed gas enters fresh-keeping device 20 by gas supply pipe 9, which facilitates uniform diffusion of gas, adjusts the content of oxygen and carbon dioxide in fresh-keeping device 20, the left rear end of frame 1 is equipped with detection box 14, the air inlet hole of detection box 14 upper surface is equipped with air suction fan 15, the suction end of air suction fan 15 is communicated with the inside of fresh-keeping device 2 by detection tube 16, air suction fan 15 draws the gas in fresh-keeping device 2 into detection box 14 by detection tube 16, the oxygen detection hole of detection box 14 upper surface is equipped with oxygen concentration detector 17, the carbon dioxide detection hole of detection box 14 upper surface is equipped with carbon dioxide concentration detector 18, detection box 14 is communicated with the inside of mixing box 8 by circulation pipe three 20, the output end of oxygen concentration detector 17 and carbon dioxide concentration detector 18 is electrically connected the input end of external PLC controller, oxygen concentration detector 17 detects the content of oxygen in gas, carbon dioxide concentration detector 18 detects the content of carbon dioxide in gas, the input end of air suction fan 15 is electrically connected the output end of external PLC controller, the temperature and humidity detection hole of detection box 14 upper surface is equipped with temperature and humidity sensor 19, the output end of temperature and humidity sensor 19 is electrically connected the input end of external PLC controller, temperature and humidity sensor 19 detects the temperature and humidity of gas, air suction fan 15 draws the gas in fresh-keeping device 2 into detection box 14 by detection tube 16, temperature and humidity sensor 19 detects the temperature and humidity of gas, oxygen concentration detector 17 detects the content of oxygen in gas,The carbon dioxide concentration detector 18 detects the content of carbon dioxide in the gas, and the three feedback the detection results to the PLC controller. The gas in the detection box 14 enters the inside of the mixing box 8 through the circulating pipe 20. The upper end of the fan blade 23 is provided with two spiral blades 25. The surfaces of the two spiral blades 25 are provided with uniformly distributed small round holes 26. The upper ends of the two spiral blades 25 extend to the lower end of the gas supply pipe 9. At the same time, the fan blade 23 also drives the spiral blade 25 to rotate. The spiral blade 25 stirs the airflow. The small round holes 26 facilitate the passing and scattering of the airflow, thereby having a good secondary stirring effect on the airflow.

[0023] The working principle of the internal circulation humidifying mechanism and the fresh-keeping device is as follows: the PLC controller is used to set the concentration of carbon dioxide and oxygen and the temperature and humidity in the fresh-keeping device 2, the detected carbon dioxide content is set to be above 10%, the oxygen concentration is set to be above 30%, the gas in the fresh-keeping device 2 is sucked into the detection box 14 through the detection tube 16 by the air suction fan 15, the temperature and humidity sensor 19 detects the temperature and humidity of the gas, the oxygen concentration detector 17 detects the content of oxygen in the gas, the carbon dioxide concentration detector 18 detects the content of carbon dioxide in the gas, the detection results of the three are fed back to the PLC controller, the gas in the detection box 14 enters the inside of the mixing box 8 through the circulation tube three 20, when the humidity of the gas does not reach the set value, the PLC controller controls the circulation fan 4 and the water vapor generating mechanism 7 to open, the water vapor generating mechanism 7 is an ultrasonic atomizer, the oscillation signal from the main circuit board is amplified in energy by the power triode, and is transmitted to the ultrasonic wafer of the ultrasonic atomizer, the ultrasonic wafer converts electric energy into ultrasonic energy, the water in the water tank 3 is atomized at room temperature, the water in the water tank 3 forms water mist, the air of the fresh-keeping device 2 is sucked into the inside of the water tank 3 through the circulation tube one 5 by the circulation fan 4, the water mist in the inside of the water tank 3 is discharged into the inside of the fresh-keeping device 2 through the humidifying pipeline 6, and the food in the fresh-keeping device 2 is humidified, when the oxygen and carbon dioxide concentrations of the gas do not reach the set value, the oxygen generator 12 and the air suction fan 15 are started, the electromagnetic valve 21 is opened, the oxygen generator 126 generates oxygen, and the oxygen is transported into the mixing box 8 through the oxygen pipe 13, the carbon dioxide in the carbon dioxide cylinder 10 is transported into the mixing box 8 through the carbon dioxide pipe 11, then the carbon dioxide and oxygen mixed gas enters the fresh-keeping device 20 through the gas supply pipe 9, the content of oxygen and carbon dioxide in the fresh-keeping device 20 is adjusted, the gas in the fresh-keeping device 2 enters the detection box 10 under the action of the circulation fan 12, and then enters the mixing box 8 through the circulation pipeline 1 again, and then enters the fresh-keeping device 20 through the gas conveying pipeline 9 and the air inlet pipeline 21, when the temperature and humidity sensor detects that the temperature and humidity of the gas reach the set value, the PLC controller feeds back a signal to close the air suction fan 18 and the water vapor generating mechanism 7, when the carbon dioxide concentration detector 18 detects that the carbon dioxide in the gas reaches the set value, the electromagnetic valve 21 is closed, when the oxygen concentration detector 17 detects that the oxygen in the gas reaches the set value, the PLC controller feeds back a signal to close the oxygen generator 12, and then the adjustment of the low-temperature gas in the fresh-keeping device 20 is completed.

[0024] It is worth noting that the circulation fan 4, the ultrasonic atomizer, the oxygen generator 12, the electromagnetic valve 21, the air extraction fan 15, the oxygen concentration detector 17, the carbon dioxide concentration detector 18 and the temperature and humidity sensor 19 disclosed in the above embodiments can be freely configured according to the actual application scene, the circulation fan 4 and the air extraction fan 15 can be selected as the CJXF-50MM pipeline fan, the oxygen generator 12 can be selected as the small industrial oxygen generator of the JYD-L-X type, the oxygen concentration detector 17 can be selected as the AO-09 oxygen concentration detector, the carbon dioxide concentration detector 18 can be selected as the PR-3002-CO2-N01 carbon dioxide concentration detector, and the PLC controller controls the circulation fan 4, the ultrasonic atomizer, the oxygen generator 12, the electromagnetic valve 21, the air extraction fan 15, the oxygen concentration detector 17, the carbon dioxide concentration detector 18 and the temperature and humidity sensor 19 to work by using the method commonly used in the prior art.

[0025] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. An internal recirculating humidification mechanism, characterized by: The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller. The water vapor generating mechanism (7) is an ultrasonic atomizer or an oscillation sheet.

2. The internal-circulation humidifying mechanism according to claim 1, characterized by: The water vapor generating mechanism (7) is an ultrasonic atomizer or an oscillation sheet.

3. A freshness keeping device characterized by comprising: The water vapor generating mechanism (7) is an ultrasonic atomizer or an oscillation sheet.

4. A freshness keeping apparatus according to claim 3, wherein The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller.

5. A freshness keeping device according to claim 4, characterized in that: The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller.

6. A freshness keeping device according to claim 4, characterized in that: The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller.

7. A freshness keeping apparatus according to claim 4, characterized by: The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller. The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller. The water tank (3) is internally provided with a water vapor generating mechanism (7), the water tank (3) is provided with a circulating fan (4), an air inlet of the circulating fan (4) is in communication connection with one end of a backflow pipeline (5), the other end of the backflow pipeline (5) is in communication with the inside of an externally separately provided fresh-keeping device, the water tank (3) is further in communication connection with a humidifying pipeline (6), the other end of the humidifying pipeline (6) is in communication with the inside of the externally separately provided fresh-keeping device, the water vapor generating mechanism (7) and the input end of the circulating fan (4) are electrically connected to the output end of an external controller.

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