CN218972969U - Fruit and vegetable vacuum precooling device - Google Patents

The application discloses fruit vegetables vacuum precooling apparatus. The fruit and vegetable vacuum pre-cooling device comprises a vacuum box for placing fruits and vegetables; a first pump, a port communicating with the vacuum box; a refrigeration device having one port in communication with another port of the first pump; a second pump, one port is communicated with the refrigeration equipment, and the other port is communicated with the vacuum box; and the controller is electrically connected with the refrigeration equipment, the first pump and the second pump and is used for controlling the starting or stopping of the refrigeration equipment, the first pump and the second pump according to control signals. The application solves the technical problems that the moisture is difficult to evaporate and the fresh-keeping effect is poor due to uneven surfaces of fruits and vegetables.

Fruit and vegetable vacuum precooling device

Technical Field

The application relates to the field of precooling devices, in particular to a fruit and vegetable vacuum precooling device.

Background

The inventor finds that the moisture attached to the surface of many fruits and vegetables is difficult to evaporate due to uneven surfaces of the fruits and vegetables, so that the vacuum precooling work of the fruits and vegetables is difficult, a large amount of precooling cost is required to be consumed, the precooling effect is poor, and the fresh-keeping effect is not achieved.

Aiming at the problems of difficult evaporation of water and poor preservation effect caused by uneven surfaces of fruits and vegetables in the related art, no effective solution is proposed at present.

Disclosure of Invention

The main aim of the application is to provide a fruit and vegetable vacuum precooling device to solve fruit and vegetable surface moisture and be difficult to evaporate, the poor problem of fresh-keeping effect.

In order to achieve the above purpose, according to the application, a fruit and vegetable vacuum precooling device is provided.

The fruit and vegetable vacuum precooling device comprises: the vacuum box is used for placing fruits and vegetables; a first pump, a port communicating with the vacuum box; a refrigeration device having one port in communication with another port of the first pump; a second pump, one port is communicated with the refrigeration equipment, and the other port is communicated with the vacuum box; and the controller is electrically connected with the refrigeration equipment, the first pump and the second pump and is used for controlling the starting or stopping of the refrigeration equipment, the first pump and the second pump according to control signals.

Further, the first pump is a vacuum pump.

Further, the second pump is a diaphragm pump.

Further, the refrigeration apparatus includes: cold traps and refrigerators.

Further, a pressure switch is arranged in the vacuum box and is electrically connected with the controller.

Further, the method further comprises the following steps: and the touch key is electrically connected with the controller.

Further, a clock is arranged in the vacuum box and is electrically connected with the controller.

Further, the method further comprises the following steps: and the plastic turnover box is detachably connected with the vacuum box.

Further, an electromagnetic valve is arranged at the top of the vacuum box and is electrically connected with the controller.

Further, a temperature sensor is arranged in the cold trap, and the temperature sensor is electrically connected with the controller.

Further, the method further comprises the following steps: and the display is electrically connected with the controller.

In the embodiment of the application, a mode that a controller is used for controlling a refrigerating device, a first pump and a second pump to repeatedly pump water vapor in a vacuum box is adopted, and the water vapor is used for placing fruits and vegetables through the vacuum box; a first pump, a port communicating with the vacuum box; a refrigeration device having one port in communication with another port of the first pump; a second pump, one port is communicated with the refrigeration equipment, and the other port is communicated with the vacuum box; the controller is electrically connected with the refrigeration equipment, the first pump and the second pump and is used for controlling the refrigeration equipment, the first pump and the second pump to be started or stopped according to control signals, the aim of repeatedly pumping water vapor according to the control signals is fulfilled, the technical effects of reducing the temperature and the respiratory intensity of fruits and vegetables are achieved, and the technical problems that moisture is difficult to evaporate and the fresh-keeping effect is poor due to uneven surfaces of the fruits and vegetables are solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application. In the drawings:

fig. 1 is a schematic structural view of a fruit and vegetable vacuum pre-cooling device according to an embodiment of the present application;

fig. 2 is a schematic circuit diagram of a fruit and vegetable vacuum pre-cooling device according to an embodiment of the present application.

Reference numerals

1. A vacuum pump; 2. a diaphragm pump; 3. a refrigeration device; 4. a cold trap; 5. a plastic turnover box; 6. a pressure switch; 7. touching the key; 8. a controller; 9. a temperature sensor; 10. a clock; 11. a display; 12. an electromagnetic valve; 14. and a vacuum box.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Further, a temperature sensor 9 is arranged in the cold trap 4, the temperature sensor 9 is electrically connected with the controller 8, and the temperature sensor 9 is used for measuring the temperature in the cold trap 4 and sending a temperature signal to the controller 8;

when the device is used, firstly, the touch key 7 is touched to start the refrigerating equipment 3, when the temperature in the cold trap 4 reaches the range from minus 12 ℃ to minus 8 ℃, the controller 8 controls the equipment to run for 15 minutes, then the plastic turnover box 5 is placed into the vacuum box 14, the vacuum pump 1 is started again to pump air, the pumped water vapor is conveyed into the refrigerating equipment 3 and is liquefied through the cold trap 4 of the refrigerating equipment 3, and is collected in the cold trap 4, meanwhile, the diaphragm pump 2 is started, the gas in the refrigerating equipment 3 and the gas in the vacuum box 14 are circulated, the air pressure in the vacuum box 14 is controlled between 0.02MPa and 0.04MPa through the pressure switch 6, 3 times of reciprocating type pumping operation are carried out, then the air pressure of the vacuum box 14 is pumped to about 0.08Ma, the vacuum pump 1 stops running for 5 minutes, after the running time is reached, the diaphragm pump 2 stops running, the electromagnetic valve 12 is started, the fruits and vegetables are taken out of the vacuum box 14, the vacuum pre-cooling of fruits and vegetables is completed, the air pressure of the vegetables and vegetables is easily pumped in a fixed value range, the air pressure is easily to be smoothly, the surface of the fruits and the air pressure cannot be smoothly kept at the temperature of the vacuum box is not equal to the pressure of 0.08MPa, and the air pressure of the vacuum box is further cooled, and the temperature of the vacuum box is further guaranteed, and the temperature is not equal to the air, and the air pressure of the vacuum box is not always kept, and has the effect of the air pressure 2 is further low, and the air pressure when the temperature is kept, and the temperature is not equal to the vacuum, and has the temperature, and the temperature is stable.

Further, the method further comprises the following steps: and the display 11 is electrically connected with the controller 8, and the display 11 is used for displaying time, temperature and air pressure data, so that a user can clearly know the current time, temperature, air pressure and other values through the display 11.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.