CN214039138U

CN214039138U - Intelligent fruit and vegetable refrigeration and pressure difference precooling integrated device

Info

Publication number: CN214039138U
Application number: CN202023238623.2U
Authority: CN
Inventors: 左进华; 翟百强; 王清; 高丽朴
Original assignee: Beijing Academy of Agriculture and Forestry Sciences
Current assignee: Beijing Academy of Agriculture and Forestry Sciences
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-24
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to an intelligent fruit vegetables refrigeration and pressure differential precooling integrated device, include: the shell is of a square structure with a built-in cavity; the axial flow fan is arranged on the side wall of the long side of the shell; the semiconductor refrigerator is arranged in the built-in cavity of the shell and is fixed with the bottom of the shell; the air outlet is arranged at the top of the shell; and the control system is arranged on the short side wall of the shell, is respectively electrically connected with the axial flow fan and the semiconductor refrigerator and is used for controlling the forward and reverse rotation of the axial flow fan and the start and stop of the semiconductor refrigerator. The utility model discloses a refrigeration and pressure differential precooling's integration has also realized the intellectuality of pressure differential precooling simultaneously.

Description

Intelligent fruit and vegetable refrigeration and pressure difference precooling integrated device

Technical Field

The utility model relates to a fruit vegetables storage and transportation technical field specifically is about an intelligent fruit vegetables refrigeration and pressure differential precooling integrated device.

Background

China is a country where fruits and vegetables are produced and consumed, the fruits and vegetables are rich in various nutrient substances needed by human life, but the fruits and vegetables are breathed vigorously after being harvested, have the characteristics of easy perishability, easy aging and poor quality, and the commodity treatment technology after being harvested is relatively lagged behind in China, so that the loss rate in the process of commodity treatment and circulation after being harvested of the fruits and vegetables is as high as 15-25%, and the loss rate after being harvested in developed countries is controlled within 5%, therefore, the research and development of the commodity treatment and circulation technology and equipment after being harvested of the fruits and vegetables in China are urgently needed to be improved, and the loss after being harvested of the fruits and vegetables is reduced.

The pre-cooling of the picked fruits and vegetables is the most important link in the commercialized treatment process after picking, and if the vegetables are not pre-cooled in time after being picked, the nutritional quality and the commodity value of the picked fruits and vegetables can be reduced. At present, a plurality of methods for precooling fruits and vegetables are available, such as water precooling, fluid ice precooling, vacuum precooling, differential pressure precooling and the like, the differential pressure precooling is favored by more and more producers with unique advantages, the differential pressure precooling is 2-10 times of the precooling rate of a common cold storage, the precooling efficiency is high and uniform, and the variety range of the fruits and vegetables is wide. However, pressure difference precooling also has certain defects, that is, common pressure difference precooling is generally matched with a precooling warehouse to be used in a combined mode, and the requirements of different fruit and vegetable bases cannot be met, so that the intelligent movable fruit and vegetable refrigeration pressure difference precooling integrated device is urgently needed to be invented, the requirements of refrigeration and pressure difference precooling integration can be met, the device can be moved and intelligentized, the device can be used in different fruit and vegetable bases, the practicability is greatly improved, and powerful support is provided for the development of the fruit and vegetable cold chain industry.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model aims at providing an intelligent fruit vegetables refrigeration and pressure differential precooling integrated device has realized the integration of refrigeration and pressure differential precooling, has also realized the intellectuality of pressure differential precooling simultaneously.

In order to achieve the purpose, the utility model adopts the following technical proposal:

intelligent fruit vegetables refrigeration and pressure differential precooling integrated device, include: the shell is of a square structure with a built-in cavity; the axial flow fan is arranged on the side wall of the long side of the shell; the semiconductor refrigerator is arranged in the built-in cavity of the shell and is fixed with the bottom of the shell; the air outlet is arranged at the top of the shell; and the control system is arranged on the short side wall of the shell, is respectively electrically connected with the axial flow fan and the semiconductor refrigerator and is used for controlling the forward and reverse rotation of the axial flow fan and the start and stop of the semiconductor refrigerator.

The intelligent fruit and vegetable refrigeration and pressure difference precooling integrated device preferably further comprises a humidifier electrically connected with the control system, the humidifier is arranged in the built-in cavity of the shell and fixed with the bottom of the shell, and a pipeline interface and an outlet of the humidifier are both arranged on the short side wall of the shell.

The intelligent fruit and vegetable refrigeration and pressure difference precooling integrated device preferably further comprises an ozone generator electrically connected with the control system, the ozone generator is arranged in the built-in cavity of the shell and fixed with the bottom of the shell, and an outlet of the ozone generator is arranged on the short side wall of the shell.

Preferably, the control system comprises a controller and a control panel, the control panel is electrically connected with the controller, and the axial flow fan, the semiconductor refrigerator, the humidifier and the ozone generator are electrically connected with the controller; and a virtual key for controlling the precooling start and stop of the refrigeration pressure difference of different fruits and vegetables is arranged on the control panel.

The intelligent fruit and vegetable refrigeration and pressure difference precooling integrated device is characterized in that the control system further comprises an alarm, and the alarm is electrically connected with the controller.

The utility model discloses owing to take above technical scheme, it has following advantage:

1. the utility model can absorb the gas between the fruit and vegetable basket bodies through the axial flow fan and refrigerate through the semiconductor refrigerator, thereby cooling the fruit and vegetable;

2. the utility model can humidify the air between the fruit and vegetable basket bodies through the humidifier;

3. the utility model can keep the fruits and vegetables fresh through the ozone generator.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

As shown in fig. 1 and fig. 2, intelligent fruit and vegetable refrigeration and pressure difference precooling integrated device includes: the shell 1 is of a square structure with a built-in cavity; the axial flow fan 2 is arranged on the side wall of the long side of the shell 1; a semiconductor refrigerator 3 which is disposed in the built-in cavity of the housing 1 and fixed to the bottom of the housing 1; the air outlet 4 is arranged at the top of the shell 1; and the control system 5 is arranged on the short side wall of the shell 1, and the control system 5 is respectively electrically connected with the axial flow fan 2 and the semiconductor refrigerator 3 and is used for controlling the forward and reverse rotation of the axial flow fan 2 and the start and stop of the semiconductor refrigerator 3.

In the above embodiment, it is preferable that the humidifier 6 is further included, the humidifier 6 is disposed in the built-in cavity of the housing 1 and fixed to the bottom of the housing 1, and the pipe interface 61 and the humidifier outlet 62 of the humidifier 6 are both disposed on the short side wall of the housing 1; meanwhile, the humidifier 6 is electrically connected with the control system 5 and is used for humidifying the air between the fruit and vegetable basket bodies.

In the above embodiment, preferably, the ozone generator 7 is further included, the ozone generator 7 is disposed in the built-in cavity of the housing 1 and fixed to the bottom of the housing 1, and the ozone generator outlet 71 is disposed on the short side wall of the housing 1; meanwhile, the ozone generator 7 is also electrically connected with the control system 5 and is used for generating ozone to keep fruits and vegetables fresh.

It should be noted that: when the device is used as a single body, the axial flow fan 2 discharges air in the positive direction, the air port is over against the fruits and vegetables needing cooling, and the cold side cold source of the semiconductor machine 3 is blown out through the axial flow fan 2, so that the fruits and vegetables are cooled; when the device is used together with a refrigerator (box) as a pressure difference precooler, the axial flow fan 2 performs reverse air suction to form negative pressure, the air outlet is over against the air return inlet of an evaporator (not shown in the figure), the respiratory heat generated by fruits and vegetables is drawn back to the device along with the negative pressure and flows out from the air outlet 4 of the device through the heat dissipation side of the semiconductor, and the air enters the fins of the evaporator, so that the frequent frosting problem of the evaporator is reduced, and the heat exchange efficiency of the evaporator is improved.

In the above embodiment, preferably, the control system includes a controller and a control panel (not shown in the figure), the control panel is electrically connected with the controller, and the axial flow fan 2, the semiconductor refrigerator 3, the humidifier 6 and the ozone generator 7 are electrically connected with the controller; and a virtual key for controlling the precooling start and stop of the refrigeration pressure difference of different fruits and vegetables is arranged on the control panel. The temperature, humidity and ozone concentration values of different fruits and vegetables are preset in the controller.

The utility model discloses when using, operating personnel through touch screen display show the virtual button of different vegetables and fruits in the ware, alright in order realizing wherein different vegetables and fruits refrigeration and pressure difference precooling technological requirement, the intelligent built-in processing of technological parameter is convenient for operating personnel quick identification and carries out equipment operation, and avoids appearing traditional operational mode and all will reset the operational parameter of device at every turn running. The utility model can not realize the storage and pre-cooling process requirements of two or three kinds of fruits and vegetables at the same time.

In the above embodiment, preferably, the control system further includes an alarm, and the alarm is electrically connected to the controller. When the refrigeration pressure difference of a certain fruit and vegetable is precooled to a preset value (including temperature, humidity and ozone concentration value), the alarm displays an alarm signal, so that an operator stops working in time.

Example 1:

pre-cooling the grape under the pressure difference: in a refrigeration house or a container with refrigeration, grapes packed by a plastic basket are stacked on two sides of an outlet of an axial flow fan, an air duct is reserved, then non-woven fabrics cover the stacked grapes and the air duct from the upper side and the stacking tail end, a partition plate of a semiconductor refrigerator is opened, the semiconductor refrigerator is opened through a control panel in an electric control box, the differential pressure precooling of the grapes is carried out until the temperature reaches the target temperature, and then the integrated device for fruit and vegetable refrigeration and differential pressure precooling is closed.

Example 2

Pre-cooling the tomatoes under the pressure difference: in a tomato harvesting base, tomatoes loaded in plastic baskets are uniformly stacked opposite to and on two sides of an outlet of an axial flow fan, gaps are reserved between rows of the plastic baskets, then the stacked tomatoes are covered by matched non-woven fabrics, a semiconductor refrigerating partition plate is closed, a semiconductor refrigerating machine is opened in an electric control box through a control panel, the tomatoes are precooled until the tomatoes reach a target temperature, and then the integrated device for fruit and vegetable refrigeration and differential pressure precooling is closed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an intelligent fruit vegetables refrigeration and pressure differential precooling integrated device which characterized in that includes:

the shell is of a square structure with a built-in cavity;

the axial flow fan is arranged on the side wall of the long side of the shell;

the semiconductor refrigerator is arranged in the built-in cavity of the shell and is fixed with the bottom of the shell;

the air outlet is arranged at the top of the shell;

and the control system is arranged on the short side wall of the shell, is respectively electrically connected with the axial flow fan and the semiconductor refrigerator and is used for controlling the forward and reverse rotation of the axial flow fan and the start and stop of the semiconductor refrigerator.

2. The intelligent integrated fruit and vegetable refrigeration and pressure difference precooling device as claimed in claim 1, further comprising a humidifier electrically connected with the control system, wherein the humidifier is arranged in the built-in cavity of the housing and fixed with the bottom of the housing, and a pipeline interface and an outlet of the humidifier are both arranged on the short side wall of the housing.

3. The integrated intelligent fruit and vegetable refrigeration and pressure difference precooling device as claimed in claim 2, further comprising an ozone generator electrically connected with the control system, wherein the ozone generator is arranged in the built-in cavity of the housing and fixed with the bottom of the housing, and an outlet of the ozone generator is arranged on a short side wall of the housing.

4. The intelligent integrated fruit and vegetable refrigeration and pressure difference precooling device as claimed in claim 3, wherein the control system comprises a controller and a control panel, the control panel is electrically connected with the controller, and the axial flow fan, the semiconductor refrigerator, the humidifier and the ozone generator are electrically connected with the controller; and a virtual key for controlling the precooling start and stop of the refrigeration pressure difference of different fruits and vegetables is arranged on the control panel.

5. The intelligent integrated fruit and vegetable refrigeration and pressure difference precooling device as claimed in claim 4, wherein the control system further comprises an alarm, and the alarm is electrically connected with the controller.